Spindle and bobbin assembly

Abstract

The utility model provides a spindle and bobbin assembly, which belongs to the technical field of spinning mechanical parts and comprises a spindle blade and a wharve arranged at the bottom of the spindle blade, a limit rod is slidably connected in the spindle blade, the limit rod is connected with the spindle blade through a clamping assembly, and the clamping assembly can extend out of the spindle blade to clamp a bobbin. The top of the limiting rod presses the bobbin on the wharve through a pressing piece. Through a clamping ball and a pushing ball in the clamping assembly, when the pushing ball is pressed down along with the limiting rod, the clamping ball is ejected out to be clamped with a clamping groove in the bobbin, so that the bobbin is fixed in the radial direction and the axial direction, the bobbin can be prevented from moving up and down, and meanwhile, the clamping block further clamps the bobbin under the action of centrifugal force after starting; and the fixing effect is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of spinning machine parts, and particularly relates to a spindle and a bobbin assembly. BACKGROUND

[0002] The spindle is a core component of a textile machine and is widely used in the field of yarn production. As a key component of a spinning machine, the spindle mainly undertakes the tasks of twisting and winding yarn, and its performance directly affects the quality of the yarn and the production efficiency.

[0003] The existing spinning spindle mainly comprises a spindle rod, a spindle disc and a transmission shaft. The spindle rod serves as the main body for supporting and transmission and drives the bobbin to wind the yarn through high-speed rotation. The spindle disc is used for supporting and fixing the bobbin to ensure that the yarn can be stably wound. The transmission shaft is used for transmission and can also ensure that the spindle can be stably rotated at high speed. Although the existing spindle and bobbin can complete the spinning step, the following deficiencies still exist:

[0004] The bobbin is prone to jumping up and down. Such jumping not only affects the winding quality of the yarn, leading to uneven yarn tension and non-tight winding, but also increases the wear of the equipment and reduces the production efficiency. INVENTION CONTENTS

[0005] In order to solve the problems existing in the prior art, a spindle and a bobbin assembly are provided.

[0006] The technical solution for solving the technical problem of the utility model is as follows: on the one hand, a spindle is provided, which comprises a spindle rod and a spindle disc arranged at the bottom of the spindle rod, a limiting rod is slidably connected in the spindle rod, the limiting rod and the spindle rod are connected through a clamping assembly, the clamping assembly can extend out of the spindle rod to clamp the bobbin, and the top of the limiting rod presses the bobbin on the spindle disc through a pressing piece.

[0007] Preferably, the clamping assembly comprises a pushing ball connected to the bottom of the spindle rod and a clamping ball arranged at the bottom of the spindle rod, the clamping ball is arranged in at least three groups corresponding to at least three taper holes opened at the bottom of the spindle rod, the clamping ball can extend out of the outer wall of the spindle rod and clamp the bobbin when being pressed down by the pushing ball, and the limiting rod realizes the pressing down of the pushing ball through a limiting assembly.

[0008] Preferably, the limiting assembly comprises a circular table connected to the middle part of the limiting rod, the circular table is attached to the inner wall of the spindle rod and can vertically slide along the inner wall of the spindle rod, a spring is connected between the circular table and the top of the spindle rod, and the spring can press down the circular table together with the limiting rod to extrude the clamping ball out of the taper hole.

[0009] Preferably, the pressing member comprises a fixed block connected to the top of the limiting rod, a rotating shaft connected to the fixed block, and a pressing block connected to the rotating shaft; a through slot is horizontally formed in the pressing block, one end of the through slot extends to one end of the pressing block, and the other end extends to the middle of the pressing block; the rotating shaft is arranged in the through slot and can slide and rotate horizontally in the through slot; and the two ends of the pressing block are pressed on the top of the bobbin.

[0010] Preferably, an arc-shaped groove is formed in the bottom of the spindle along the rolling direction of the clamping ball, so that the clamping ball can roll along the arc-shaped groove.

[0011] Preferably, the bottom of the spindle is connected with a transmission shaft, the transmission shaft is rotationally connected with the base, a belt pulley is sleeved on the transmission shaft, the belt pulley can drive the transmission shaft to rotate, a first bearing is connected between the belt pulley and the base, and a second bearing is connected between the bottom of the transmission shaft and the base.

[0012] Preferably, the first bearing and the second bearing are deep groove ball bearings.

[0013] On the other hand, a bobbin assembly comprising the spindle is provided, a clamping groove matched with the clamping ball is formed in the inner wall of the bobbin, and the clamping ball and the clamping groove are matched to fix the bobbin.

[0014] Preferably, a plurality of positioning grooves corresponding to the clamping ball are formed in the bottom of the bobbin, a plurality of positioning blocks are connected to the spindle, and the positioning blocks are clamped into the positioning grooves to align the clamping ball and the clamping groove.

[0015] Preferably, a pressing groove is formed in the top of the bobbin, and the pressing block can be pressed into the pressing groove under the action of the spring.

[0016] Compared with the prior art, the above technical scheme has the following advantages or beneficial effects:

[0017] 1. The clamping ball and the pushing ball in the clamping assembly are used to push the clamping ball out of the clamping groove on the bobbin to achieve radial and axial fixation of the bobbin when the pushing ball is pressed down along with the limiting rod, which can prevent the bobbin from moving up and down, and the clamping block can further clamp the bobbin under the action of centrifugal force after starting, thereby strengthening the fixation effect.

[0018] 2. The pressing block is connected to the top of the limiting rod, the pressing block is rotated to a vertical state through the horizontal through slot during installation to install the bobbin, the pressing block is horizontally placed and pressed against the bobbin through the action of the spring during rotation, and secondary fixation of the bobbin is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings constituting a part of the specification of the present utility model are used to provide a further understanding of the present utility model, and the illustrative embodiments of the present utility model and the description thereof are used to explain the present utility model, and do not constitute an improper limitation on the present utility model.

[0020] Figure 1 is the structural schematic view of the utility model.

[0021] Figure 2 is the sectional view of the utility model.

[0022] Figure 3 is Figure 2 the enlarged view of A in the middle.

[0023] Explanation of reference signs:

[0024] 1, spindle; 2, spool; 3, tube; 31, press groove; 4, limiting rod; 5, belt pulley; 6, first bearing; 7, base; 8, second bearing; 9, clamping assembly; 91, push ball; 92, clamping ball; 93, clamping groove; 94, positioning block; 95, positioning groove; 96, arc-shaped recess; 97, taper hole; 10, limiting assembly; 101, circular table; 102, spring; 11, pressing part; 111, fixed block; 112, rotating shaft; 113, through slot; 114, pressing block; 12, transmission shaft. DETAILED DESCRIPTION

[0025] For the purpose of clearly illustrating the technical features of the present application, the present application will be described in detail below with specific embodiments and in conjunction with the accompanying drawings. The disclosure below provides many different embodiments or examples for implementing the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. In addition, the present application can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings being discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present application omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the present application. The orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Embodiment one:

[0027] Please refer to Figures 1-3 In the present embodiment, a spindle is provided, comprising a spindle rod 1 and a spool 2 arranged at the bottom of the spindle rod 1, a limiting rod 4 is slidably connected in the spindle rod 1, the limiting rod 4 and the spindle rod 1 are connected through a clamping assembly 9, the clamping assembly 9 can extend out of the spindle rod 1 to clamp the yarn pipe 3; the top of the limiting rod 4 presses the yarn pipe 3 on the spool 2 through a pressing piece 11.

[0028] Firstly, the clamping assembly 9 can be a trapezoidal block which is pushed out of the spindle 1 under the pressing of the limiting rod 4, thereby realizing the fixation of the bobbin 3. However, the trapezoidal block receives a larger radial force when rotating, and therefore, the clamping assembly 9 is proposed in the embodiment, which comprises a pushing ball 91 connected to the bottom of the spindle 1 and a clamping ball 92 arranged at the bottom of the spindle 1. The clamping ball 92 is arranged in at least three groups and corresponds to at least three groups of tapered holes 97 arranged at the bottom of the spindle 1. The clamping ball 92 can be clamped with the bobbin 3 when being pushed out of the outer wall of the spindle 1 under the pressing of the pushing ball 91. The limiting rod 4 realizes the pressing of the pushing ball 91 through the limiting assembly 10. The arc-shaped grooves 96 are arranged at the bottom of the spindle along the rolling direction of the clamping ball 92, so that the clamping ball 92 can roll along the arc-shaped grooves 96.

[0029] The limiting assembly 10 can comprise an inner thread arranged on the inner wall of the spindle and an outer thread arranged on the limiting rod 4, so that the limiting rod 4 is threadedly connected with the spindle. The thread direction needs to be opposite to the rotating direction of the spindle, and the installation is relatively troublesome. Therefore, the limiting assembly 10 in the embodiment comprises a circular table 101 connected to the middle part of the limiting rod 4. The circular table 101 is attached to the inner wall of the spindle 1 and can vertically slide along the inner wall of the spindle 1. The spring 102 is connected between the circular table 101 and the top of the spindle 1. The spring 102 can press the circular table 101 and the limiting rod 4 downward, thereby extruding the clamping ball 92 out of the tapered hole 97.

[0030] On the basis of the clamping assembly 9 and the limiting assembly 10 described above, the embodiment designs a pressing member 11 matched therewith, which comprises a fixed block 111 connected to the top of the limiting rod 4. The fixed block 111 is connected with a rotating shaft 112, and the rotating shaft 112 is connected with a pressing block 114. The transverse through groove 113 is arranged on the pressing block 114, one end of which extends to one end of the pressing block 114, and the other end extends to the middle part of the pressing block 114. The rotating shaft 112 is arranged in the through groove 113 and can slide and rotate transversely in the through groove 113. The two ends of the pressing block 114 are pressed on the top of the bobbin 3.

[0031] Embodiment Two

[0032] Continuing to refer to Figures 1-3 , based on the spindle of Embodiment One, the embodiment proposes a bobbin assembly matched with the spindle. The bobbin assembly comprises a clamping groove 93 arranged on the inner wall of the bobbin 3 and matched with the clamping ball 92. The clamping ball 92 and the clamping groove 93 are matched to realize the fixation of the bobbin 3. A plurality of positioning grooves 95 are arranged at the bottom of the bobbin 3 and correspond to the arrangement of the clamping ball 92. A plurality of positioning blocks 94 are connected to the top of the spindle 2 and are matched with the positioning grooves 95, thereby realizing the alignment of the clamping ball 92 and the clamping groove 93. The pressing groove 31 is arranged at the top of the bobbin 3, and the pressing block 114 can be pressed into the pressing groove 31 under the action of the spring 102 to be fixed.

[0033] Furthermore, the bottom of the flyer 2 is connected with a transmission shaft 12, the transmission shaft 12 is rotatably connected with the base 7; a belt pulley 5 is sleeved on the transmission shaft 12, the belt pulley 5 can drive the transmission shaft 12 to rotate; the first bearing 6 is connected between the belt pulley 5 and the base 7, and the second bearing 8 is connected between the bottom of the transmission shaft 12 and the base 7. The first bearing 6 and the second bearing 8 are both deep groove ball bearings. In use, after the belt for driving the spindle to rotate is connected to the belt pulley 5, the transmission shaft 12 is driven to rotate by the belt pulley 5, so that the spindle is rotated, and meanwhile, the stability of the spindle rotation is improved due to the deep groove ball bearings having good performance of bearing radial force and axial force.

[0034] Working principle:

[0035] In use, first, the rotating shaft 112 is pulled along the through slot 113 on the pressing block 114 to one end of the through slot 113, and then the pressing block 114 is rotated to be vertically upward, the pressing block 114 is pulled upward to drive the limiting rod 4 to move upward, the pushing ball 91 is separated from the clamping ball 92, the yarn pipe 3 is sleeved on the spindle, the clamping ball 92 is extruded into the spindle 1, the positioning groove 95 at the bottom of the yarn pipe 3 is aligned with the positioning block 94 on the flyer 2 when the yarn pipe 3 is lowered, finally, the pressing block 114 is transversely placed, and the pressing block 114 is loosened, the pressing block 114 is pressed on the yarn pipe 3 under the action of the spring 102, the clamping ball 92 is pushed out and clamped in the clamping groove 93 of the yarn pipe 3 to form fixation, finally, the spindle drives the yarn pipe 3 to rotate under the driving of the belt.

[0036] Although the specific embodiments of the utility model are described above in combination with the drawings, it is not a limitation on the protection scope of the utility model, various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A spindle comprising a spindle rod (1) and a flywheel (2) arranged at the bottom of the spindle rod (1), characterized in that: The spindle rod (1) is slidably connected with a limiting rod (4), the limiting rod (4) and the spindle rod (1) are connected through a clamping assembly (9), the clamping assembly (9) can extend out of the spindle rod (1) to clamp the bobbin (3); the top of the limiting rod (4) presses the bobbin (3) on the spool (2) through a pressing piece (11).

2. A spindle as claimed in claim 1, characterised in that: The clamping assembly (9) comprises a pushing ball (91) connected to the bottom of the spindle rod (1) and a clamping ball (92) arranged at the bottom of the spindle rod (1), the clamping ball (92) is arranged in at least three groups, corresponding to at least three groups of tapered holes (97) formed in the bottom of the spindle rod (1), the clamping ball (92) can extend out of the outer wall of the spindle rod (1) and clamp the bobbin (3) when the pushing ball (91) is pressed down; the limiting rod (4) realizes the pressing of the pushing ball (91) through a limiting assembly (10).

3. A spindle as claimed in claim 2, characterised in that: The limiting assembly (10) comprises a circular table (101) connected to the middle of the limiting rod (4), the circular table (101) is attached to the inner wall of the spindle rod (1) and can vertically slide along the inner wall of the spindle rod (1); a spring (102) is connected between the circular table (101) and the top of the spindle rod (1), the spring (102) can press down the circular table (101) and the limiting rod (4) to extrude the clamping ball (92) out of the tapered hole (97).

4. A spindle as claimed in claim 3, characterised in that: The pressing piece (11) comprises a fixed block (111) connected to the top of the limiting rod (4), a rotating shaft (112) connected to the fixed block (111), and a pressing block (114) connected to the rotating shaft (112); a through groove (113) is transversely formed in the pressing block (114), one end of the through groove (113) extends to one end of the pressing block (114), and the other end extends to the middle of the pressing block (114); the rotating shaft (112) is arranged in the through groove (113), and the rotating shaft (112) can slide and rotate in the through groove (113); the two ends of the pressing block (114) press the top of the bobbin (3).

5. A spindle as claimed in claim 2, wherein: Arc-shaped grooves (96) are formed in the bottom of the spindle in the rolling direction of the clamping ball (92), so that the clamping ball (92) can roll along the arc-shaped grooves (96).

6. A spindle as claimed in claim 1, characterised in that: The bottom of the spool (2) is connected with a transmission shaft (12), the transmission shaft (12) is rotatably connected with the base (7); a belt pulley (5) is sleeved on the transmission shaft (12), and the belt pulley (5) can rotate to drive the transmission shaft (12) to rotate; a first bearing (6) is connected between the belt pulley (5) and the base (7), and a second bearing (8) is connected between the bottom of the transmission shaft (12) and the base (7).

7. A spindle as claimed in claim 6, characterised in that: The first bearing (6) and the second bearing (8) are both deep groove ball bearings.

8. A tube assembly for a spool as claimed in any one of claims 2 to 6, characterised in that: A clamping groove (93) is formed in the inner wall of the bobbin (3) and cooperates with the clamping ball (92), so that the bobbin (3) is fixed by cooperation of the clamping ball (92) and the clamping groove (93).

9. The bobbin assembly of claim 8, wherein: A plurality of positioning grooves (95) corresponding to the clamping ball (92) are arranged at the bottom of the bobbin (3), and a plurality of positioning blocks (94) are arranged on the spool (2) correspondingly, the positioning blocks (94) are clamped into the positioning grooves (95) to align the clamping ball (92) with the clamping groove (93).

10. The bobbin assembly of claim 8, wherein: A pressing groove (31) is arranged at the top of the bobbin (3), and the pressing block (114) can be pressed into the pressing groove (31) and fixed under the action of the spring (102).

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