Bobbin switching device and method for automatic roving frame

Abstract

The invention discloses a bobbin switching device for an automatic roving frame and a method thereof, and relates to the technical field of roving conveying, and the bobbin switching device is characterized by comprising a placing seat, vertical moving seats arranged on the two sides of the placing seat and a transverse moving seat arranged between the two vertical moving seats; empty bobbins or full yarn bobbins are connected to the base and the transverse moving seat in a clamped mode, the empty bobbins and the full yarn bobbins are arranged in a staggered mode, and each of the full yarn bobbins and the empty bobbins is composed of an inner bobbin and an outer bobbin, so that the effect that the shaking amplitude of the full yarn bobbins and the empty bobbins is rapidly reduced is achieved, and the function of stabilizing the bobbins is achieved; the bobbin conveying device can be rapidly stabilized when shaking during rapid movement, so that the lower ends of the bobbins can be aligned with a placing point, and switching conveying of empty bobbins and full yarn bobbins is carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of roving conveying, and more particularly to a bobbin switching device for an automatic roving machine and a method thereof. Background Art

[0002] Roving frames are spinning machines that turn fiber strips into roving. According to the twisting mechanism, they are divided into wing-spindle roving frames and twist-twist roving frames. Wing-spindle roving frames rely on the rotation of the spindle wings to continuously apply twist to the yarn strips to produce twisted roving. Twist-twist roving frames rely on a pair of twisting leather plates to clamp and twist the yarn strips, forming a false twist with alternating positive and negative twists on the yarn strips to produce non-twist roving. Wing-spindle roving frames and twist-twist roving frames can be divided into first-pass, second-pass and single-pass roving frames. The feeding forms, roving packages and number of spindles of various roving frames are different, but the machine structure and function are roughly the same.

[0003] After the roving is produced, it will be wound on a bobbin for easy transportation. When transporting the roving, the empty bobbin and the full bobbin are switched alternately through the switching device of the assembly line. The automatic assembly line transports the full bobbin to the next processing point, and the empty bobbin is placed at the winding point for rewinding. However, in the actual process of transporting the bobbin, the bobbin and the switching device are in a locked state, resulting in a slow conveying speed for the full bobbin and the empty bobbin. A fast conveying speed will not only make the bobbin and the switching device fall off easily, but also cause the bobbin to swing greatly, which makes it difficult to align the bobbin with the corresponding placement end at the bottom when switching, resulting in empty winding of the roving, affecting the factory's production efficiency and the production quality of the roving.

[0004] Therefore, in order to solve the above technical problems, the present application proposes a bobbin switching device and method for an automatic roving frame. Summary of the invention

[0005] In view of the deficiencies in the prior art, an object of the present invention is to provide a bobbin switching device for an automatic roving frame and a method thereof.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bobbin switching device for an automatic roving machine, comprising a placement seat, vertical movable seats arranged on both sides of the placement seat, and a transverse movable seat arranged between two groups of vertical movable seats, wherein a surface array of the placement seat is provided with a plurality of bases, and empty bobbins or full bobbins are clamped on the bases and the transverse movable seats, and the empty bobbins and full bobbins are arranged alternately, and the full bobbins and the empty bobbins are both composed of an inner bobbin and an outer bobbin; The bottom of the transverse moving seat is provided with a plurality of clamping components, and the empty bobbin and the full yarn bobbin are clamped with the bottom of the transverse moving seat through the clamping components, and the clamping components include a fixed block, and the side end surface of the fixed block is an arc surface, and the inside of the inner tube is symmetrically provided with clamping blocks, and the end of the clamping block facing the fixed block is an inclined surface, and the clamping process of the fixed block and the clamping block is completed by the first squeezing action of the fixed block arc surface on the inclined surface of the clamping block, and the unlocking process of the fixed block and the clamping block is completed by the second squeezing action of the fixed block arc surface on the inclined surface of the clamping block; A stabilizing component is also provided between the inner tube and the outer tube, and the stabilizing component includes a counterweight ring arranged on the inner wall of the outer tube. A first compression rod and a second compression rod are provided between the inner tube and the outer tube, and the first compression rod and the second compression rod are elastically connected. When the inner tube and the outer tube shake, due to the different weights of the inner tube and the outer tube, the shaking amplitudes are also different, resulting in different degrees of compression of the first compression rod and the second compression rod by the inner tube and the outer tube, so that the inner tube and the outer tube offset each other's own shaking force when shaking occurs.

[0007] Preferably, a coupling plate and a rotating shaft are provided at the upper end of the outer tube, the coupling plate is rotatably connected to one side of the rotating shaft, and the inner tube is rotatably connected to the other side of the rotating shaft.

[0008] Preferably, a locking groove is symmetrically provided at the upper end of the inner tube, a stopper is fixedly installed on the outer side of the locking groove away from the axis of the inner tube, a moving rod is slidably installed on the stopper, the non-bevel end of the block is fixedly connected to the end of the moving rod, a telescopic spring is provided on the outer side of the moving rod, one end of the telescopic spring is fixedly connected to the non-bevel end of the block, and the other end of the telescopic spring is fixedly connected to the stopper.

[0009] Preferably, the engaging assembly further comprises a plurality of fixed seats arranged in an array at the bottom of the transverse movable seat, a fixed rod is provided at the bottom end of the fixed seat, the bottom end of the fixed rod is fixedly connected to a fixed block, and a sliding block is slidably mounted on the fixed rod.

[0010] Preferably, the fixed block and the sliding block are two frustum bodies with arc surface symmetry.

[0011] Preferably, a return spring is provided on the fixing rod, one end of the return spring is fixedly connected to one side of the sliding block, and the other end of the return spring is fixedly connected to one side of the fixing block.

[0012] Preferably, a circular retaining ring is provided on the bottom surface of the sliding block, and the height of the circular retaining ring is the thickness of the return spring after compression.

[0013] Preferably, a plurality of bases are arranged in an array on the base, the number of the bases is half the number of the locking assemblies arranged at the bottom of the transverse moving seat, and the positions of the bases and the locking assemblies are spaced correspondingly, each of the bases is provided with a barrel shaft, and full yarn bobbins and empty bobbins are staggeredly distributed on the base and the bottom of the transverse moving seat.

[0014] Preferably, the stabilizing component is arranged at the hollow part at the lower end of the inner tube and the outer tube, and the stabilizing component also includes a rotating shaft block vertically slidably installed on the wall of the inner tube and the outer tube, the rotating shaft blocks are symmetrically arranged at the four corners, and one group of diagonal rotating shaft blocks are connected to the first compression rod through the rotating shaft, and another group of diagonal rotating shaft blocks are connected to the second compression rod through the rotating shaft, the first compression rod and the second compression rod are rotationally connected through a torsion spring shaft, and the torsion spring shaft is provided with a bidirectional torsion spring.

[0015] A method for using a bobbin switching device for an automatic roving frame comprises the following steps: S1: The lateral moving seat drives the clamped empty bobbin to move horizontally to a pre-adjusted position, so that the clamping assembly corresponds to the full yarn bobbin below, and the vertical moving seat drives the lateral moving seat to move vertically; S2: The lateral moving seat moving vertically downward drives the clamping assembly and the empty bobbin that has been clamped at the bottom of the lateral moving seat to move downward, so that the clamping assembly is facing the full yarn bobbin when moving downward; S3: The fixing block is inserted into the upper end of the inner tube of the full yarn bobbin to squeeze the clamping block; S4: The card block compresses the telescopic spring to make the card block enter the engagement groove; S5: After the arc surface of the fixed block moves to the bottom of the inclined surface of the clamping block, the clamping block automatically pops out under the action of the telescopic spring and extends to the upper end surface of the fixed block to complete the clamping of the full yarn bobbin; S6: The vertical moving seat drives the lateral moving seat to move upward as a whole, and full yarn bobbins and empty yarn bobbins are alternately distributed on the lateral moving seat; S7: The lateral moving seat drives the full yarn bobbin and the empty bobbin to shift their positions, so that the empty bobbin faces the base and the bobbin axis. S8: The barrel shaft is inserted into the empty barrel tube, and the empty barrel tube contacts the end surface of the base; S9: The vertical moving seat continues to drive the horizontal moving seat to move downward; S10: The arc surface of the fixed block begins to contact the inclined surface of the clamping block, the same as S3-S5; S11: The vertical moving seat continues to drive the horizontal moving seat to move downward, the retaining ring begins to contact the inclined surface of the card block, and squeezes the card block into the engaging groove again until the end of the inclined surface of the card block contacts the upper arc surface of the sliding block; S12: The vertical moving seat drives the horizontal moving seat to move upward; S13: The upwardly moving sliding block squeezes the reset spring so that the reset spring is continuously compressed to the same height as the retaining ring. At this time, the clamping block is squeezed into the clamping groove by the upper arc surface of the sliding block, and the retaining ring at the lower end of the sliding block contacts the fixed block; S14: The clamping block passes through the sliding block, the retaining ring and the side of the fixed block in sequence to complete the clamping and unlocking of the empty bobbin, thereby realizing the switching process between the full yarn bobbin and the empty bobbin.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the first downward pressing of the fixed block on the card block by the card assembly completes the card locking, and the second downward pressing of the fixed block and the sliding block on the card block completes the unlocking. The card connection method is novel and fast. Compared with the card connection method of the conveying device and the bobbin in the prior art, the switching method of the switching device utilizes the elastic force of the spring to complete the card connection and limit the switching device and the bobbin. The card connection and limit are not easy to fall off because the bottom surface of the card block is a plane and is limited to the end surface of the fixed block. It has better practicality and fast card connection, so that the full yarn bobbin and the empty bobbin can be quickly switched, thereby quickly conveying the full yarn bobbin.

[0017] 2. In the present invention, if the swing amplitude of the inner bobbin is large, the first compression rod and the second compression rod will be squeezed first, so that the two are folded toward each other, generating a certain momentum. Due to the elastic force of the torsion spring shaft and the torsion spring, the first compression rod and the second compression rod are reset to involve the outer bobbin. Due to the counterweight block, the outer bobbin has a greater inertia of movement, which tends to cause the outer bobbin to continue to move, thereby pulling the first compression rod and the second compression rod to fold and move again, generating a momentum opposite to the swing of the inner bobbin, so that the momentum of the two is gradually offset, and the swing amplitude is rapidly reduced, thereby realizing the function of stabilizing the bobbin, so that it can be quickly stabilized when shaking occurs during rapid movement, so that the lower end of the bobbin is aligned with the placement point, and the empty bobbin and the full yarn bobbin are switched and transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall bottom-up structure of the present invention; Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle; Figure 4 It is a schematic diagram of the base and the barrel shaft structure in the present invention; Figure 5 It is a schematic diagram of the structure inside the hollow tube of the present invention; Figure 6 for Figure 5 The enlarged schematic diagram of point B in the middle; Figure 7 for Figure 6 The enlarged schematic diagram of the center C; Figure 8 It is a schematic diagram of the structure of the clamping assembly in the present invention; Fig. 9 for Figure 5 The enlarged schematic diagram of point D in the middle; Fig.10 for Fig. 9 Enlarged schematic diagram of point E in the middle.

[0019] 1. Placement seat; 2. Vertical moving seat; 3. Horizontal moving seat; 4. Base; 5. Full yarn bobbin; 6. Empty bobbin; 601. Inner bobbin; 602. Outer bobbin; 7. Clamping assembly; 701. Fixed seat; 702. Sliding block; 703. Stop ring; 704. Fixed rod; 705. Return spring; 706. Fixed block; 707. Clamping groove; 708. Stop block; 709. Moving rod; 710. Block; 711. Telescopic spring; 8. Engagement plate; 9. Rotating shaft; 10. Stabilizing assembly; 1001. Counterweight ring; 1002. Rotating shaft block; 1003. First compression rod; 1004. Second compression rod; 1005. Torsion spring shaft; 1006. Torsion spring; 11. Boiler shaft. DETAILED DESCRIPTION

[0020] Embodiment 1

[0021] like Figure 1-Figure 10 As shown, the present invention provides a bobbin switching device for an automatic roving machine, comprising a placement seat 1, vertical movable seats 2 arranged on both sides of the placement seat 1, and a transverse movable seat 3 arranged between the two groups of vertical movable seats 2. The surface array of the placement seat 1 is provided with a plurality of bases 4, and empty bobbins 6 or full yarn bobbins 5 are clamped on the bases 4 and the transverse movable seats 3. The empty bobbins 6 and the full yarn bobbins 5 are arranged alternately, as shown in FIG. Figure 5 and Figure 6 As shown, both the full bobbin 5 and the empty bobbin 6 are composed of an inner bobbin 601 and an outer bobbin 602. The upper end of the outer bobbin 602 is provided with a connecting plate 8 and a rotating shaft 9. The connecting plate 8 is rotatably connected to one side of the rotating shaft 9, and the inner bobbin 601 is rotatably connected to the other side of the rotating shaft 9, that is, the upper end of the inner bobbin 601 is rotatably connected to the upper end of the outer bobbin 602, and the lower end of the inner bobbin 601 can swing in the inner space of the outer bobbin 602. like Figure 1 and Figure 2As shown, a plurality of bases 4 are arranged in an array on the placement seat 1, and the number of the bases 4 is half the number of the clamping assemblies 7 arranged at the bottom of the transverse moving seat 3, and the positions of the bases 4 and the clamping assemblies 7 correspond to each other, and each base 4 is provided with a barrel shaft 11, and full yarn bobbins 5 and empty yarn bobbins 6 are staggeredly distributed on the base 4 and the bottom of the transverse moving seat 3, that is, if the empty yarn bobbins 6 are distributed on the transverse moving assembly, the full yarn bobbins 5 are distributed on the base 4, and vice versa; like Figure 1-Figure 8 As shown, a plurality of clamping assemblies 7 are provided at the bottom of the transverse moving seat 3, and the empty bobbin 6 and the full-yarn bobbin 5 are clamped with the bottom of the transverse moving seat 3 through the clamping assemblies 7. The clamped empty bobbin 6 is driven by the transverse moving seat 3 to move horizontally to a pre-adjusted position, so that the clamping assembly 7 corresponds to the full-yarn bobbin 5 below, and the vertical moving seat 2 drives the transverse moving seat 3 to move in the vertical direction. The transverse moving seat 3 moving vertically downward drives the clamping assembly 7 and the empty bobbin 6 clamped at the bottom of the transverse moving seat 3 to move downward, so that the clamping assembly 7 is in the correct position when it moves downward. For the full-yarn bobbin 5, the clamping assembly 7 includes a fixed block 706, the side end surface of the fixed block 706 is an arc surface, and the inner tube 601 is symmetrically provided with a clamping block 710, and the end of the clamping block 710 facing the fixed block 706 is an inclined surface. The clamping process of the fixed block 706 and the clamping block 710 is completed by the first squeezing action of the arc surface of the fixed block 706 on the inclined surface of the clamping block 710, and the unlocking process of the fixed block 706 and the clamping block 710 is completed by the second squeezing action of the arc surface of the fixed block 706 and the sliding block 702 on the inclined surface of the clamping block 710. A snap-fitting groove 707 is symmetrically provided at the upper end of the inner tube 601, and a stopper 708 is fixedly installed on the outer side of the snap-fitting groove 707 away from the axis of the inner tube 601, and a moving rod 709 is slidably installed on the stopper 708, and the non-inclined end of the block 710 is fixedly connected to the end of the moving rod 709, and a telescopic spring 711 is provided on the outer side of the moving rod 709, and one end of the telescopic spring 711 is fixedly connected to the non-inclined surface of the block 710, and the other end of the telescopic spring 711 is fixedly connected to the stopper 708. The snap-fitting assembly 7 also includes a plurality of fixed seats 701 arranged in an array at the bottom of the transverse moving seat 3, and a fixed rod 704 is provided at the bottom end of the fixed seat 701, and the bottom end of the fixed rod 704 is fixedly connected to the fixed block 706, and a sliding block 702 is slidably installed on the fixed rod 704, and the fixed block 706 and the sliding block 702 are two frustum bodies symmetrical in arc surface; When the lateral moving seat 3 moves, it drives the fixed block 706 to insert into the upper end of the inner tube 601 of the full yarn bobbin 5 to squeeze the block 710. The block 710 compresses the telescopic spring 711 to make the block 710 enter the inside of the engaging groove 707. After the arc surface of the fixed block 706 moves to the bottom of the inclined surface of the block 710, the block 710 automatically pops out under the action of the telescopic spring 711 and extends to the upper end surface of the fixed block 706 to complete the engagement of the full yarn bobbin 5. After that, the vertical moving seat 2 drives the lateral moving seat 2 to move. The seat 3 moves upward as a whole, and the full-yarn bobbins 5 and the empty bobbins 6 are alternately distributed on the transverse moving seat 3. The transverse moving seat 3 drives the full-yarn bobbins 5 and the empty bobbins 6 to shift their positions, so that the empty bobbin 6 faces the base 4 and the barrel shaft 11, the barrel shaft 11 is inserted into the empty bobbin 6, and the empty bobbin 6 contacts the end face of the base 4. The vertical moving seat 2 continues to drive the transverse moving seat 3 to move downward, so that the arc surface of the fixed block 706 squeezes the inclined surface of the clamping block 710 for the second time, and the clamping block 710 is compressed into the clamping groove 707 until it is reset. A return spring 705 is provided on the fixed rod 704, one end of the return spring 705 is fixedly connected to one side of the sliding block 702, and the other end is fixedly connected to one side of the fixed block 706. A circular retaining ring 703 is provided on the bottom surface of the sliding block 702. The height of the circular retaining ring 703 is the spring thickness of the return spring 705 after compression. After the return spring 705 is contracted, it can be completely covered by the retaining ring 703, and the block 710 will not contact the return spring 705, thereby ensuring its stability. The retaining ring 703 begins to contact the inclined surface of the card block 710 and squeezes the card block 710 into the engaging groove 707 again until the inclined surface end of the card block 710 contacts the upper arc surface of the sliding block 702. The vertical moving seat 2 drives the horizontal moving seat 3 to move upward. The upward moving sliding block 702 squeezes the return spring 705 so that the return spring 705 is continuously compressed to the same height as the retaining ring 703. At this time, the card block 710 is squeezed into the engaging groove 707 by the upper arc surface of the sliding block 702. The retaining ring 703 at the lower end of the sliding block 702 contacts the fixed block 706. 10 passes through the sliding block 702, the retaining ring 703 and the side of the fixed block 706 in sequence to complete the engagement and unlocking of the empty bobbin 6, and realize the switching process between the full yarn bobbin 5 and the empty bobbin 6. Compared with the engagement method of the conveying device and the bobbin in the prior art, this switching method uses the elastic force of the spring to complete the engagement and limiting of the switching device and the bobbin. Since the bottom surface of the block 710 is a plane and is mutually limited with the end surface of the fixed block 706, it is not easy to fall off, has better practicality, and is engaged quickly, so that the full yarn bobbin 5 and the empty bobbin 6 can be quickly switched; Working principle: The horizontal moving seat 3 drives the connected empty bobbin 6 to move horizontally to the pre-adjusted position, so that the clamping assembly 7 corresponds to the full yarn bobbin 5 below, and the vertical moving seat 2 drives the horizontal moving seat 3 to move in the vertical direction. The horizontal moving seat 3 moving vertically downward drives the clamping assembly 7 and the empty bobbin 6 that has been clamped at the bottom of the horizontal moving seat 3 to move downward, so that the clamping assembly 7 is facing the full yarn bobbin 5 when moving downward. When the horizontal moving seat 3 moves, it drives the fixed block 706 to insert into the upper end of the inner tube 601 of the full yarn bobbin 5 to squeeze the clamping block 710, the clamping block 710 compresses the telescopic spring 711 to make the clamping block 710 enter the inside of the clamping groove 707, and after the arc surface of the fixed block 706 moves to the bottom of the inclined surface of the clamping block 710, the clamping block 710 automatically pops out under the action of the telescopic spring 711, and extends to the upper end surface of the fixed block 706 to complete the clamping of the full yarn bobbin 5, and then the vertical moving seat 2 drives the horizontal moving seat 3 to move upward as a whole, and the full yarn bobbin 5 and the empty bobbin 6 on the horizontal moving seat 3 are staggered, and the horizontal moving seat 3 drives the full yarn bobbin 5 and the empty bobbin 6 to offset their positions , so that the empty tube 6 is facing the base 4 and the tube shaft 11, the tube shaft 11 is inserted into the empty tube 6, and the empty tube 6 contacts the end surface of the base 4, the vertical moving seat 2 continues to drive the horizontal moving seat 3 to move downward, so that the arc surface of the fixed block 706 squeezes the inclined surface of the card block 710 for the second time, and the card block 710 is compressed into the engaging groove 707 until it is reset, and the retaining ring 703 begins to contact the inclined surface of the card block 710 and squeezes the card block 710 into the engaging groove 707 again until the end of the inclined surface of the card block 710 contacts the upper arc surface of the sliding block 702, and the vertical moving seat 2 drives The laterally movable seat 3 moves upward, and the upward moving sliding block 702 will squeeze the reset spring 705 so that the reset spring 705 is continuously compressed to the same height as the retaining ring 703. At this time, the blocking block 710 will be squeezed into the locking groove 707 by the upper arc surface of the sliding block 702, and the retaining ring 703 at the lower end of the sliding block 702 contacts the fixed block 706. The blocking block 710 passes through the sides of the sliding block 702, the retaining ring 703 and the fixed block 706 in turn, completing the locking and unlocking of the empty bobbin 6, thereby realizing the switching process between the full yarn bobbin 5 and the empty bobbin 6.

[0022] A stabilizing component 10 is also provided between the inner tube 601 and the outer tube 602. The stabilizing component 10 includes a weight ring 1001 provided on the inner wall of the outer tube 602. The weight ring 1001 can make the weight of the outer tube 602 and the inner tube 601 different. A first compression rod 1003 and a second compression rod 1004 are provided between the inner tube 601 and the outer tube 602. The first compression rod 1003 and the second compression rod 1004 are elastically connected. When the inner tube 601 and the outer tube 602 shake, due to the different weights of the inner tube 601 and the outer tube 602, the shaking amplitudes thereof are also different, resulting in different compression degrees of the first compression rod 1003 and the second compression rod 1004 by the inner tube 601 and the outer tube 602, so that the inner tube 601 and the outer tube 602 can offset each other's own shaking force when shaking occurs. It should be noted that when the empty bobbin 6 or the full bobbin 5 shakes, since the outer bobbin 602 is heavier than the lower end of the inner bobbin 601, the shaking amplitude of the inner bobbin 601 will be greater; The stabilizing component 10 is arranged at the hollow part of the lower end of the inner tube 601 and the outer tube 602, and also includes a shaft block 1002 vertically slidably installed on the wall of the inner tube 601 and the outer tube 602. The shaft blocks 1002 are symmetrically arranged at four corners, and one group of the diagonal shaft blocks 1002 are rotatably connected to the first compression rod 1003 through the shaft, and the other group of the diagonal shaft blocks 1002 are rotatably connected to the second compression rod 1004 through the shaft. The first compression rod 1003 and the second compression rod 1004 are rotatably connected through the torsion spring shaft 1005, and the torsion spring shaft 1005 is provided with a bidirectional torsion spring 1006; If the inner tube 601 shakes greatly, it will first squeeze the first compression rod 1003 and the second compression rod 1004, causing them to fold toward each other and generate a certain momentum. Due to the elastic force of the torsion spring shaft 1005 and the torsion spring 1006, the first compression rod 1003 and the second compression rod 1004 are forced to reset and involve the outer tube 602. Due to the counterweight, the outer tube 602 has a greater inertia of movement, causing the outer tube 602 to continue moving, thereby pulling the first compression rod 1003 and the second compression rod 1004 to fold and move again, generating a momentum opposite to the shaking of the inner tube 601, gradually offsetting the momentum of the two, and rapidly reducing the amplitude of the shaking, thereby realizing the function of stabilizing the tube, so that it can be quickly stabilized when shaking occurs during rapid movement, so that the lower end of the tube can be aligned with the placement point for switching.

[0023] Embodiment 2

[0024] like Figure 1-10 As shown, the present invention provides a method for using a bobbin switching device for an automatic roving frame, comprising the following steps: S1: The lateral moving seat 3 drives the clamped empty bobbin 6 to move horizontally to a pre-adjusted position, so that the clamping assembly 7 corresponds to the full yarn bobbin 5 below, and the vertical moving seat 2 drives the lateral moving seat 3 to move in the vertical direction; S2: The lateral moving seat 3 moving vertically downward drives the clamping assembly 7 and the empty bobbin 6 clamped at the bottom of the lateral moving seat 3 to move downward, so that the clamping assembly 7 faces the full yarn bobbin 5 when moving downward; S3: The fixing block 706 is inserted into the upper end of the inner tube 601 of the full yarn tube 5 to squeeze the clamping block 710; S4: The clamping block 710 compresses the telescopic spring 711 to make the clamping block 710 enter the inside of the clamping groove 707; S5: After the arc surface of the fixed block 706 moves to the lower side of the inclined surface of the clamping block 710, the clamping block 710 automatically pops out under the action of the telescopic spring 711, and extends to the upper end surface of the fixed block 706 to complete the clamping of the full yarn bobbin 5; S6: the vertical moving seat 2 drives the lateral moving seat 3 to move upward as a whole, and the full yarn bobbins 5 and the empty yarn bobbins 6 are alternately distributed on the lateral moving seat 3; S7: the lateral moving seat 3 drives the full bobbin 5 and the empty bobbin 6 to shift positions, so that the empty bobbin 6 faces the base 4 and the bobbin shaft 11; S8: The barrel shaft 11 is inserted into the empty barrel tube 6, and the empty barrel tube 6 contacts the end surface of the base 4; S9: The vertical moving seat 2 continues to drive the horizontal moving seat 3 to move downward; S10: The arc surface of the fixing block 706 begins to contact the inclined surface of the clamping block 710, same as S3-S5; S11: the vertical moving seat 2 continues to drive the horizontal moving seat 3 to move downward, the retaining ring 703 begins to contact the inclined surface of the clamping block 710, and squeezes the clamping block 710 into the engaging groove 707 again, until the end of the inclined surface of the clamping block 710 contacts the upper arc surface of the sliding block 702; S12: The vertical moving seat 2 drives the horizontal moving seat 3 to move upward; S13: The upwardly moving sliding block 702 squeezes the return spring 705 so that the return spring 705 is continuously compressed to the same height as the retaining ring 703. At this time, the clamping block 710 is squeezed into the engaging groove 707 by the upper arc surface of the sliding block 702, and the retaining ring 703 at the lower end of the sliding block 702 contacts the fixed block 706. S14: the clamping block 710 passes through the sliding block 702, the retaining ring 703 and the side of the fixing block 706 in sequence, completes the clamping and unlocking of the empty bobbin 6, and realizes the switching process between the full bobbin 5 and the empty bobbin 6.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An automatic bobbin switching device for a roving machine, comprising a placement seat (1), vertical movable seats (2) arranged on both sides of the placement seat (1), and a horizontal movable seat (3) arranged between the two groups of vertical movable seats (2), characterized in that: The surface array of the placement seat (1) is provided with a plurality of bases (4), and the bases (4) and the transverse movable seat (3) are clamped with empty bobbins (6) or full bobbins (5), the empty bobbins (6) and the full bobbins (5) are arranged alternately, and the full bobbins (5) and the empty bobbins (6) are both composed of an inner bobbin (601) and an outer bobbin (602); A plurality of clamping assemblies (7) are provided at the bottom of the transverse moving seat (3), and the empty bobbin (6) and the full bobbin (5) are clamped with the bottom of the transverse moving seat (3) via the clamping assemblies (7), and the clamping assemblies (7) include a fixing block (706), and the side end surface of the fixing block (706) is an arc surface, and the inner tube (601) is symmetrically provided with clamping blocks (710), and one end of the clamping block (710) facing the fixing block (706) is an inclined surface; The upper end of the inner tube (601) is symmetrically provided with a locking groove (707), a stopper (708) is fixedly installed on the outer side of the locking groove (707) away from the axis of the inner tube (601), a moving rod (709) is slidably installed on the stopper (708), the non-inclined end of the locking block (710) is fixedly connected to the end of the moving rod (709), a telescopic spring (711) is provided on the outer side of the moving rod (709), one end of the telescopic spring (711) is fixedly connected to the non-inclined end of the locking block (710), and the other end of the telescopic spring (711) is fixedly connected to the stopper (708); The engaging assembly (7) further comprises a plurality of fixed seats (701) arranged in an array at the bottom of the transverse movable seat (3); a fixed rod (704) is provided at the bottom end of the fixed seat (701); the bottom end of the fixed rod (704) is fixedly connected to a fixed block (706); and a sliding block (702) is slidably mounted on the fixed rod (704); The fixed rod (704) is provided with a return spring (705), one end of the return spring (705) is fixedly connected to one side of the sliding block (702), and the other end is fixedly connected to one side of the fixed block (706), and the bottom surface of the sliding block (702) is provided with an annular retaining ring (703), and the height of the annular retaining ring (703) is the spring thickness of the return spring (705) after compression; A stabilizing component (10) is further provided between the inner tube (601) and the outer tube (602), the stabilizing component (10) comprising a weight ring (1001) arranged on the inner wall of the outer tube (602), a first compression rod (1003) and a second compression rod (1004) are provided between the inner tube (601) and the outer tube (602), the first compression rod (1003) and the second compression rod (1004) being elastically connected; The stabilizing component (10) is arranged at the hollow part at the lower end of the inner tube (601) and the outer tube (602), and the stabilizing component (10) further comprises a rotating shaft block (1002) vertically slidably mounted on the tube wall of the inner tube (601) and the outer tube (602), the rotating shaft blocks (1002) being arranged symmetrically at four corners, and the rotating shaft blocks (1002) on one group of diagonal lines are rotatably connected to the first compression rod (1003) through the rotating shaft, and the rotating shaft blocks (1002) on another group of diagonal lines are rotatably connected to the second compression rod (1004) through the rotating shaft, the first compression rod (1003) and the second compression rod (1004) are rotatably connected through a torsion spring shaft (1005), and a bidirectional torsion spring (1006) is provided on the torsion spring shaft (1005).

2. The automatic bobbin switching device for a roving frame according to claim 1, characterized in that: A connecting plate (8) and a rotating shaft (9) are provided at the upper end of the outer tube (602); the connecting plate (8) is rotatably connected to one side of the rotating shaft (9), and the inner tube (601) is rotatably connected to the other side of the rotating shaft (9).

3. The automatic bobbin switching device for a roving frame according to claim 1, characterized in that: The fixed block (706) and the sliding block (702) are two truncated cones with arcuate symmetry.

4. The automatic bobbin switching device for a roving frame according to claim 1, characterized in that: The number of the bases (4) is half the number of the engaging assemblies (7) provided at the movable end of the transverse movable seat (3), and the bases (4) and the engaging assemblies (7) are spaced correspondingly in position, each of the bases (4) is provided with a bobbin shaft (11), and full bobbins (5) and empty bobbins (6) are alternately distributed on the bottom of the bases (4) and the transverse movable seat (3).

5. A method for using the automatic bobbin switching device for a roving frame according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1: The lateral moving seat (3) drives the clamped empty bobbin (6) to move horizontally to a pre-adjusted position so that the clamping assembly (7) corresponds to the full yarn bobbin (5) below, and the vertical moving seat (2) drives the lateral moving seat (3) to move vertically; S2: The lateral moving seat (3) moving vertically downward drives the engaging assembly (7) and the empty bobbin (6) that has been engaged with the moving end of the lateral moving seat (3) to move downward, so that the engaging assembly (7) faces the full bobbin (5) when moving downward; S3: The fixing block (706) is inserted into the upper end of the inner tube (601) of the full yarn tube (5) to squeeze the clamping block (710); S4: the clamping block (710) compresses the telescopic spring (711) so that the clamping block (710) enters the interior of the clamping groove (707); S5: After the arc surface of the fixed block (706) moves to below the inclined surface of the clamping block (710), the clamping block (710) automatically pops out under the action of the telescopic spring (711), and extends to the upper end surface of the fixed block (706) to complete the clamping of the full yarn bobbin (5); S6: the vertical moving seat (2) drives the horizontal moving seat (3) to move upward as a whole, and the full yarn bobbins (5) and the empty yarn bobbins (6) on the horizontal moving seat (3) are alternately distributed; S7: The lateral moving seat (3) drives the full bobbin (5) and the empty bobbin (6) to shift their positions, so that the empty bobbin (6) faces the base (4) and the bobbin shaft (11). S8: the barrel shaft (11) is inserted into the empty barrel tube (6), and the empty barrel tube (6) contacts the end surface of the base (4); S9: the vertical moving seat (2) continues to drive the horizontal moving seat (3) to move downward; S10: The arc surface of the fixing block (706) begins to contact the inclined surface of the clamping block (710), same as S3-S5; S11: the vertical moving seat (2) continues to drive the horizontal moving seat (3) to move downward, the retaining ring (703) begins to contact the inclined surface of the clamping block (710), and squeezes the clamping block (710) into the engaging groove (707) again until the end of the inclined surface of the clamping block (710) contacts the upper arc surface of the sliding block (702); S12: the vertical moving seat (2) drives the horizontal moving seat (3) to move upward; S13: The upwardly moving sliding block (702) squeezes the return spring (705) so that the return spring (705) is continuously compressed to the same height as the retaining ring (703). At this time, the clamping block (710) is squeezed into the engaging groove (707) by the upper arc surface of the sliding block (702), and the retaining ring (703) at the lower end of the sliding block (702) contacts the fixed block (706); S14: The clamping block (710) passes through the sliding block (702), the retaining ring (703) and the side of the fixed block (706) in sequence, completing the clamping and unlocking of the empty bobbin (6), thereby realizing the switching process between the full bobbin (5) and the empty bobbin (6).

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