Hosiery machine swing arm transfer device and lifting and rotating assembly thereof

Abstract

The utility model belongs to the technical field of hosiery machines, particularly relates to a hosiery machine swing arm transfer device and a lifting rotating assembly thereof, and solves the problems of poor guide effect and inconvenience in maintenance. The lifting and rotating assembly comprises a base and a stand column, a stand column swing mechanism is arranged between the stand column and the base, the stand column is sleeved with a lifting sleeve, a screw and nut lifting mechanism is arranged between the stand column and the lifting sleeve, a guide rod located on the outer side is arranged between the stand column and the lifting sleeve, the lower end of the guide rod is fixedly connected with the stand column, and the upper end of the guide rod penetrates through a guide hole of the lifting sleeve. The hosiery machine swing arm transferring device comprises the lifting rotating assembly, a lower swing arm and an upper swing arm are arranged on the lifting sleeve in a sleeved mode, the lower swing arm is fixed to the lifting sleeve, a lifting spring between the upper swing arm and the lower swing arm is arranged on the lifting sleeve in a sleeved mode, and a lifting driver fixed to the lifting sleeve is arranged at the upper end of the upper swing arm. A clutch assembly and a circumferential reset structure are arranged between the lower swing arm and the upper swing arm. The effects of stable lifting guide of the lifting sleeve and the stand column and convenience in subsequent maintenance are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hosiery machine technical field, especially related to a hosiery machine swing arm transfer device and its lifting rotary assembly. BACKGROUND

[0002] Hosiery machine is an important equipment in the textile industry, and one of its core functions is to achieve automatic knitting and transfer of socks. In the production process of hosiery machine, the swing arm transfer device is a key component for transferring the knitted socks from the knitting station to the subsequent processing station.

[0003] In the prior art, some hosiery machine swing arm transfer devices set the swing arm on the column through the lifting sleeve, and realize the corresponding rotation effect by controlling the lifting of the lifting sleeve and the rotation of the column. However, in order to realize the rotation limiting of the column and the lifting sleeve, some devices are set with positioning grooves or positioning convex bodies inside, which is not convenient for later maintenance and increases the processing cost. INNOVATION CONTENT

[0004] The utility model aims at the above-mentioned problems existing in the prior art, and provides a hosiery machine swing arm transfer device and its lifting rotary assembly.

[0005] In order to realize the purpose of the utility model, the following technical solutions can be used:

[0006] A lifting rotary assembly of a hosiery machine swing arm transfer device, comprising a base and a column, a column swing mechanism is arranged between the column and the base, a lifting sleeve capable of vertical lifting is sleeved on the column, a screw nut lifting mechanism is arranged between the center hole of the column and the lifting sleeve, a guide rod is arranged outside the column and the lifting sleeve, the guide rod is parallel to the lifting axis of the column and the lifting sleeve, and the lower end of the guide rod is fixedly connected with the column and the upper end is arranged in the guide hole of the lifting sleeve.

[0007] The column of the lifting rotary assembly is vertically connected with the base and controlled to rotate by the column swing mechanism, the lifting sleeve is slidingly connected with the column and lifted by the screw nut lifting mechanism, the guide rod is arranged outside and used to realize the synchronous rotation of the lifting sleeve and the column without affecting the lifting action of the lifting sleeve, and the arrangement outside facilitates assembly, cooperation and later maintenance.

[0008] In the lifting rotary assembly of the hosiery machine swing arm transfer device, the screw nut lifting mechanism comprises a nut arranged at the top of the column, a screw is screwed in the nut, and the upper end of the screw is connected with a first rotary driver arranged on the lifting sleeve.

[0009] The central hole is axially arranged on the top surface of the column, a nut is fixed on the upper end of the central hole, a screw rod is engaged with the screw rod on the lifting sleeve, and the first rotary driver drives the rotation of the screw rod to realize the lifting of the lifting sleeve relative to the column.

[0010] Further, a counterweight spring in compression is arranged between the top surface of the column and the inner top surface of the lifting sleeve. The counterweight spring applies an upward thrust to the lifting sleeve to balance part of the gravity of the lifting sleeve and its upper components, thereby reducing the driving force cost.

[0011] In the lifting and rotating assembly of the hosiery swing arm transfer device, the first rotary driver is connected with the lifting sleeve through a driver seat, and a bearing is arranged between the screw rod and the driver seat or the lifting sleeve.

[0012] The driver seat is fixed on the upper end of the lifting sleeve, the first rotary driver is arranged on the driver seat, the output shaft of the first rotary driver is fixedly connected with the upper end of the screw rod to rotate synchronously, and the bearing is used for rotationally connecting and positioning the screw rod.

[0013] In the lifting and rotating assembly of the hosiery swing arm transfer device, the lower end of the guide rod is detachably fixed with the column through a guide rod support.

[0014] The guide rod support is sleeved on the column and is fixedly connected with the flange on the column through bolts, and the fixing has flexible detachability.

[0015] In the lifting and rotating assembly of the hosiery swing arm transfer device, the side of the lifting sleeve is provided with a guide rod seat, and the guide rod seat is provided with the guide hole penetrating through the upper and lower ends.

[0016] The guide rod seat protrudes in the side direction, the guide hole thereon is coaxially arranged with the guide rod, further, a wear-resistant sleeve or a linear bearing is arranged in the guide hole, and the guide rod is slidably connected in the guide hole through the wear-resistant sleeve or the linear bearing.

[0017] In the lifting and rotating assembly of the hosiery swing arm transfer device, the column swing mechanism comprises a second rotary driver arranged on the base, an output shaft of the second rotary driver is connected with a worm, and the lower end of the column is rotationally connected with the base and is drivingly connected with the worm through a worm gear.

[0018] The second rotary driver is arranged on the base through a motor seat, the worm thereon penetrates into the base, the lower part of the column is rotationally connected with the base, and a worm gear is further arranged at the lower end of the column, the worm gear is engaged with the worm, and the second rotary driver drives the rotation of the worm to drive the circumferential rotation of the column.

[0019] Further, the base is vertically provided with a column mounting hole, an upper opening of the column mounting hole is provided with an upper rolling bearing, a lower opening of the column mounting hole is provided with a lower rolling bearing, the column passes through the inner rings of the upper rolling bearing and the lower rolling bearing; the column is provided with an annular oil guide cover, the oil guide cover is located between the upper rolling bearing and the worm gear, and includes an oil guide slope with an outer low and an inner high, and an oil passing gap is formed between the outer periphery of the oil guide slope and the side wall of the column mounting hole.

[0020] The lower part of the column is vertically rotationally connected in the column mounting hole through the upper rolling bearing and the lower rolling bearing, and the oil guide cover is further arranged above the worm gear, the oil guide cover is annular, the circumferential outer side is lower than the circumferential inner side, and an oil guide slope downwardly inclined is formed, the oil guide slope is not connected with the inner side wall of the column mounting hole in the radial outer side, and an oil passing gap between them allows oil to flow down, the matching point of the worm and the worm gear is located below the oil passing gap, and lubricating oil can be added from above the upper rolling bearing, flows to the matching point through the upper rolling bearing and the oil guide gap, and ensures smooth transmission.

[0021] Another object of the present application is to provide a hosiery machine swing arm transfer device aiming at the above problems in the prior art.

[0022] In order to achieve the purpose of the present application, the following technical solutions can be used:

[0023] The hosiery machine swing arm transfer device comprises the lifting and rotating assembly of the hosiery machine swing arm transfer device, the lifting sleeve is sleeved with a lower swing arm and an upper swing arm, the lower swing arm is fixedly connected with the lifting sleeve, the lifting sleeve is further sleeved with a lifting spring located between the upper swing arm and the lower swing arm, the upper end of the upper swing arm is provided with a lifting driver fixed on the lifting sleeve, and the lower swing arm and the upper swing arm are provided with a clutch assembly and a circumferential reset structure.

[0024] The upper swing arm and the lower swing arm of the hosiery machine swing arm transfer device are arranged on the lifting sleeve and can move synchronously with the lifting sleeve, the upper swing arm is slidably connected with the lifting sleeve, can be lifted and rotated relative to the lower swing arm, the lifting spring provides an elastic thrust required for lifting the upper swing arm, the lifting spring is sleeved on the lifting sleeve, is stable in installation and uniform in thrust, the lifting driver is used for overcoming the elastic thrust to make the upper swing arm move downward to approach the lower swing arm, the clutch assembly is used for being matched when the upper swing arm and the lower swing arm have the same rotation angle and approach in the vertical direction, limiting the relative rotation of the upper swing arm and the lower swing arm, and the circumferential reset structure is used for making the upper swing arm have a trend of rotating away from the lower swing arm.

[0025] In the hosiery machine swing arm transfer device, the upper swing arm and the lifting sleeve are provided with a movable sleeve, the upper swing arm is fixedly connected with the movable sleeve, the lifting spring is arranged between the movable sleeve and the lower swing arm, and the lifting sleeve is provided with a movable sleeve lifting annular groove between the lower swing arm.

[0026] The upper swing arm is rotatably and liftable arranged on the lifting sleeve by a movable sleeve, and the movable sleeve lifting annular groove is used for allowing and positioning the lifting of the movable sleeve, and the inner diameter thereof is adapted to the outer diameter of the movable sleeve.

[0027] In the above-mentioned hosiery swing arm transfer device, the upper end of the lifting spring abuts against the bottom of the upper fixed ring of the movable sleeve, and the lower end abuts against the inner annular groove of the lower swing arm.

[0028] The movable sleeve is provided with a circumferential upper fixed ring extending in the radial direction, and the lower swing arm is provided with an inner annular groove for accommodating and positioning the lifting spring, and the two ends of the lifting spring abut against the bottom surface of the upper fixed ring and the groove bottom of the inner annular groove, respectively.

[0029] In the above-mentioned hosiery swing arm transfer device, the clutch assembly comprises a rotation prevention column and a rotation prevention hole vertically extending and arranged on the upper swing arm and the lower swing arm, respectively, and the rotation prevention column is inserted into the rotation prevention hole when the upper swing arm and the lower swing arm are rotated to the same angle and vertically close to each other.

[0030] The circumferential reset structure comprises a reset spring arranged between the upper swing arm, the lifting sleeve and the lower swing arm, one end of the reset spring is arranged in the spring ring groove of the upper swing arm, the other end of the reset spring is arranged on the spring lifting movable seat at the position deviated from the rotation center of the upper swing arm, at least two spring lifting guide columns are arranged on the spring lifting movable seat, the upper ends of the spring lifting guide columns are connected with the upper end of the lifting sleeve through a connecting plate, and at least one spring lifting guide column is arranged in the positioning hole of the lower swing arm.

[0031] The lifting driver can be a double-head air cylinder, the output shaft of which can downwardly press the upper swing arm when the rotation angles of the upper swing arm and the lower swing arm are consistent, the rotation prevention column of the clutch assembly is inserted into the rotation prevention hole when the upper swing arm is lowered to approach the lower swing arm, and rotation limiting is realized. The circumferential reset structure pulls the upper swing arm to rotate through the reset spring, the two ends of the reset spring are connected with the upper swing arm and the spring lifting movable seat, respectively, the spring lifting movable seat is slidably connected on the spring lifting guide column and can freely lift, one of the spring lifting guide columns is connected with the lifting sleeve through the connecting plate, and the other one is arranged in the positioning hole of the lower swing arm and is used for limiting the rotation of the connecting plate and ensuring the stable lifting action of the spring lifting movable seat, with the lifting action of the upper swing arm relative to the lower swing arm, the spring lifting movable seat can adaptively lift under the action of the pulling force of the reset spring.

[0032] Compared with the prior art, the utility model mainly has the following advantages:

[0033] 1. The guide rod of the lifting and rotating assembly is arranged on the outer side, is used for realizing the rotation synchronization of the lifting sleeve and the stand column without affecting the lifting action of the lifting sleeve, and is convenient for assembling, cooperation and later maintenance.

[0034] 2. The central hole is axially opened on the top surface of the column, the nut is fixed on the upper end of the central hole, the screw rod is engaged with the screw rod on the lifting sleeve, and the first rotary driver drives the rotation of the screw rod to realize the effect of driving the lifting sleeve to lift relative to the column.

[0035] 3. The guide rod support is sleeved on the column and can be fixedly connected with the flange part on the column through bolts, and the fixing has flexible detachability.

[0036] 4. The upper swing arm and the lower swing arm of the swing arm transfer device of the hosiery machine are arranged on the lifting sleeve and can move synchronously with the lifting sleeve, the upper swing arm is slidably connected with the lifting sleeve and can lift and rotate relative to the lower swing arm, the lifting spring provides the elastic thrust required for lifting of the upper swing arm, the lifting spring is sleeved on the lifting sleeve, is stable in installation and uniform in thrust, the lifting driver is used for overcoming the elastic thrust to make the upper swing arm move downward to approach the lower swing arm, the upper swing arm and the lower swing arm are rotationally limited when the rotation angles of the upper swing arm and the lower swing arm are consistent and the upper swing arm and the lower swing arm are close in the vertical direction, and the circumferential reset structure is used for making the upper swing arm have a tendency of rotating away from the lower swing arm.

[0037] 5. The upper swing arm is rotatably and liftable arranged on the lifting sleeve through the movable sleeve, and the lifting ring groove of the movable sleeve is used for allowing and positioning the lifting of the movable sleeve.

[0038] 6. The output shaft of the lifting driver can downwardly press the upper swing arm when the rotation angles of the upper swing arm and the lower swing arm are consistent, the anti-rotation column is inserted into the anti-rotation hole when the upper swing arm moves downward to approach the lower swing arm, and rotation limiting is realized.

[0039] 7. The circumferential reset structure rotates the upper swing arm through the reset spring, the two ends of the reset spring are connected with the upper swing arm and the spring lifting movable seat respectively, the spring lifting movable seat is slidably connected with the spring lifting guide column and can freely lift, and the spring lifting movable seat can adaptively lift with the lifting action of the upper swing arm relative to the lower swing arm under the action of the pulling force of the reset spring. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 is a schematic diagram of the overall structure provided by the utility model;

[0041] Figure 2 is a left view schematic diagram provided by the utility model;

[0042] Figure 3 is Figure 2 a sectional view schematic diagram of A-A in

[0043] Figure 4 is Figure 3 a detail enlarged view of B in

[0044] Figure 5It is the structure diagram of the circumferential reset structure provided by the utility model.

[0045] In the figure, base 1, stand 2, stand swing mechanism 3, lifting sleeve 4, center hole 5, screw nut lifting mechanism 6, guide rod 7, guide hole 8, nut 9, screw 10, first rotary driver 11, driver seat 12, bearing 13, guide rod support 14, guide rod seat 15, wear sleeve 16, second rotary driver 17, worm 18, worm wheel 19, stand mounting hole 20, upper rolling bearing 21, lower rolling bearing 22, oil guide cover 24, oil guide slope 25, lower swing arm 27, upper swing arm 28, lifting spring 29, lifting driver 30, clutch assembly 31, circumferential reset structure 32, movable sleeve 33, movable sleeve lifting annular groove 34, upper fixed ring 35, inner annular groove 36, anti-rotation column 38, anti-rotation hole 39, reset spring 40, spring ring groove 41, spring lifting movable seat 42, spring lifting guide column 43, connecting plate 44, positioning hole 45. DETAILED DESCRIPTION

[0046] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0047] The specific embodiment is as follows Figures 1-4 As shown in the figure, the lifting and rotating assembly of the sock machine swing arm transfer device comprises a base 1 and a stand 2, and a stand swing mechanism 3 is arranged between the stand 2 and the base 1, a lifting sleeve 4 capable of vertically lifting is sleeved on the stand 2, a screw nut lifting mechanism 6 is arranged between the center hole 5 of the stand 2 and the lifting sleeve 4, a guide rod 7 is arranged outside between the stand 2 and the lifting sleeve 4, the lifting shaft lines of the guide rod 7, the stand 2 and the lifting sleeve 4 are parallel to each other, and the lower end of the guide rod 7 is fixedly connected with the stand 2 and the upper end is arranged in the guide hole 8 of the lifting sleeve 4.

[0048] Specifically, the stand 2 is vertically rotatably connected to the base 1 and is controlled to rotate by the stand swing mechanism 3, the lifting sleeve 4 is slidably connected to the stand 2 and is driven to lift by the screw nut lifting mechanism 6, the guide rod 7 is arranged outside and is used to realize the synchronous rotation of the lifting sleeve 4 and the stand 2 without affecting the lifting action of the lifting sleeve 4, and the arrangement outside can facilitate assembly, cooperation and later maintenance.

[0049] As shown in the figure, Figure 3 , 4 As shown in the figure, the screw nut lifting mechanism 6 comprises a nut 9 arranged at the top of the stand 2, a screw 10 is screwed in the nut 9, and the upper end of the screw 10 is connected with a first rotary driver 11 arranged on the lifting sleeve 4. The first rotary driver 11 is connected with the lifting sleeve 4 through a driver seat 12, and a bearing 13 is arranged between the light pole section of the screw 10 and the driver seat 12.

[0050] Specifically, the column 2 is provided with a nut 9, the screw rod 10 is engaged with the screw rod 10 on the lifting sleeve 4, and the first rotary driver 11 drives the rotation of the screw rod 10 to realize the effect of driving the lifting sleeve 4 to ascend or descend relative to the column 2. The driver seat 12 is fixed to the upper end of the lifting sleeve 4, and the first rotary driver 11 is arranged on the driver seat 12. The output shaft of the first rotary driver 11 is fixedly connected and rotationally synchronized with the upper end of the screw rod 10. The bearing 13 is used for rotationally connecting and positioning the screw rod 10.

[0051] As a further optimization, a counterweight spring in a compressed state is arranged between the top surface of the column 2 and the inner top surface of the lifting sleeve 4. The counterweight spring applies an upward thrust to the lifting sleeve 4 to balance part of the gravity of the lifting sleeve 4 and its upper components, thereby reducing the driving force cost.

[0052] As shown in Figure 1 , 2 , the lower end of the guide rod 7 is detachably fixed to the column 2 through the guide rod support 14. The lifting sleeve 4 is provided with a guide rod seat 15 having a guide hole 8 extending through the upper and lower ends.

[0053] Specifically, the guide rod support 14 is sleeved on the column 2 and can be fixedly connected to the flange portion on the column 2 through bolts, and the fixing has flexible detachability. The guide rod seat 15 protrudes laterally, and the guide hole 8 thereon is coaxially arranged with the guide rod 7. A wear-resistant sleeve or linear bearing 16 is arranged in the guide hole 8, and the guide rod 7 is slidably connected to the guide hole 8 through the wear-resistant sleeve 16.

[0054] In this embodiment, the column oscillating mechanism 3 includes a second rotary driver 17 arranged on the base 1. The output shaft of the second rotary driver 17 is connected with a worm 18, and the lower end of the column 2 is rotationally connected to the base 1 and is in transmission connection with the worm 18 through a worm wheel 19.

[0055] Specifically, the second rotary driver 17 is arranged on the base 1 through a motor seat, and the worm 18 thereon penetrates into the base 1. The lower part of the column 2 is rotationally connected to the base 1, and the worm wheel 19 is arranged at the lower end of the column 2. The worm wheel 19 is engaged with the worm 18. The second rotary driver 17 drives the rotation of the worm 18 to drive the circumferential rotation of the column 2.

[0056] As a further optimization of the embodiment, a vertical column mounting hole 20 is vertically provided on the base 1, an upper rolling bearing 21 is arranged in the upper opening of the column mounting hole 20, a lower rolling bearing 22 is arranged in the lower opening of the column mounting hole 20, and the vertical column 2 penetrates the inner rings of the upper rolling bearing 21 and the lower rolling bearing 22; an annular oil guide cover 24 is arranged on the vertical column 2, the oil guide cover 24 is located between the upper rolling bearing 21 and the worm wheel 19, and includes an oil guide slope 25 with an outer low and an inner high, and an oil overflow gap is formed between the outer periphery of the oil guide slope 25 and the side wall of the column mounting hole 20.

[0057] Specifically, the lower part of the vertical column 2 is vertically rotationally connected in the column mounting hole 20 through the upper rolling bearing 21 and the lower rolling bearing 22, and an oil guide cover 24 is further arranged above the worm wheel 19, the oil guide cover 24 is annular, and the circumferential outer side is lower than the circumferential inner side, forming a downwardly inclined oil guide slope 25, the oil guide slope 25 is not connected to the inner side wall of the column mounting hole 20 on the radial outer side, and an oil overflow gap between them allows oil to flow down, the matching point of the worm 18 and the worm wheel 19 is located below the oil overflow gap, and the lubricating oil can be added from above the upper rolling bearing 21, and flows to the matching point through the upper rolling bearing 21 and the oil guide gap, ensuring smooth transmission.

[0058] As shown in the drawings, Figures 1-5 The hosiery machine swing arm transfer device includes a lifting and rotating assembly, a lower swing arm 27 and an upper swing arm 28 are sleeved on the lifting sleeve 4, the lower swing arm 27 is fixedly connected with the lifting sleeve 4, a lifting spring 29 is sleeved on the lifting sleeve 4 between the upper swing arm 28 and the lower swing arm 27, the upper end of the upper swing arm 28 is provided with a lifting driver 30 fixed on the lifting sleeve 4, and a clutch assembly 31 and a circumferential reset structure 32 are arranged between the lower swing arm 27 and the upper swing arm 28.

[0059] Specifically, the upper swing arm 28 and the lower swing arm 27 are arranged on the lifting sleeve 4 and can move synchronously with the lifting sleeve 4, the upper swing arm 28 is slidably connected with the lifting sleeve 4 and can be lifted and rotated relative to the lower swing arm 27, the lifting spring 29 provides an elastic thrust required for lifting the upper swing arm 28, and is sleeved on the lifting sleeve 4, so that the installation is stable and the thrust is uniform, and the lifting driver 30 is used to overcome the elastic thrust to make the upper swing arm 28 move downward to approach the lower swing arm 27, the upper swing arm 28 and the lower swing arm 27 are rotationally limited by the clutch assembly 31 when the rotation angles are consistent and the vertical directions are close to each other, and the circumferential reset structure 32 is used to make the upper swing arm 28 have a tendency to rotate away from the lower swing arm 27.

[0060] As shown in the drawings, Figure 3 , 4As shown, the upper swing arm 28 and the lifting sleeve 4 are provided with a movable sleeve 33, the upper swing arm 28 is fixedly connected with the movable sleeve 33, the movable sleeve 33 and the lower swing arm 27 are provided with a lifting spring 29, and the lower swing arm 27 and the lifting sleeve 4 are provided with a movable sleeve lifting annular groove 34. The upper end of the lifting spring 29 abuts against the bottom of the upper fixed ring 35 at the upper end of the movable sleeve 33, and the lower end abuts against the inner annular groove 36 of the lower swing arm 27.

[0061] Specifically, the upper swing arm 28 is rotatably and liftable arranged on the lifting sleeve 4 through the movable sleeve 33, and the movable sleeve lifting annular groove 34 is used for allowing and positioning the lifting of the movable sleeve 33, and the inner diameter thereof is adapted to the outer diameter of the movable sleeve 33. The movable sleeve 33 is provided with the upper fixed ring 35 which is distributed in the circumferential direction and extends in the radial direction, and the lower swing arm 27 is provided with the inner annular groove 36 which is used for accommodating the lifting spring 29 and positioning, and the two ends of the lifting spring 29 respectively abut against the bottom surface of the upper fixed ring 35 and the groove bottom of the inner annular groove 36.

[0062] As shown in Figure 3 , 5 The clutch assembly 31 includes a vertical anti-rotation column 38 and an anti-rotation hole 39, the vertical anti-rotation column 38 is arranged on the bottom surface of the upper swing arm 28, the anti-rotation hole 39 is arranged on the lower swing arm 27, and the vertical anti-rotation column 38 is inserted into the anti-rotation hole 39 when the upper swing arm 28 and the lower swing arm 27 are rotated to the same angle and vertically close to each other; the circumferential reset structure 32 includes a reset spring 40 arranged between the upper swing arm 28, the lifting sleeve 4 and the lower swing arm 27, one end of the reset spring 40 is arranged in a spring ring groove 41 of the upper swing arm 28, the other end of the reset spring 40 is arranged on a spring lifting movable seat 42 which is deviated from the rotation center of the upper swing arm 28, two spring lifting guide columns 43 are arranged on the spring lifting movable seat 42, the upper ends of the spring lifting guide columns 43 are connected with the upper end of the lifting sleeve 4 through a connecting plate 44, and one spring lifting guide column 43 is arranged in a positioning hole 45 of the lower swing arm 27.

[0063] Specifically, the lifting driver 30 is selected as a double-head cylinder, the lifting driver 30 is fixed to the side of the driver base 12, the output shaft of the lifting driver 30 can press the upper swing arm 28 downward when the rotation angles of the upper swing arm 28 and the lower swing arm 27 are consistent, the upper swing arm 28 is lowered to approach the lower swing arm 27, the anti-rotation column 38 is inserted into the anti-rotation hole 39 to realize rotation limiting. The circumferential reset structure 32 rotates the upper swing arm 28 by the reset spring 40, the two ends of the reset spring 40 are connected with the upper swing arm 28 and the spring lifting movable seat 42 respectively, the spring lifting movable seat 42 is slidably connected on the spring lifting guide column 43 and can freely lift, one of the spring lifting guide columns 43 is connected with the lifting sleeve 4 through the connecting plate 44, the other one is arranged in the positioning hole 45 of the lower swing arm 27 and is used for limiting the rotation of the connecting plate 44 and ensuring the stable lifting action of the spring lifting movable seat 42, with the lifting action of the upper swing arm 28 relative to the lower swing arm 27, the spring lifting movable seat 42 can adaptively lift under the action of the reset spring 40.

[0064] Specific working principle: the upper swing arm 28 and the lower swing arm 27 are rotated to the same angle and are vertically close to each other, the anti-rotation column 38 is inserted into the anti-rotation hole 39, and the two are rotated synchronously. When it is needed to rotate simultaneously, the second rotary driver 17 acts, the stand column 2 synchronously rotates with the upper swing arm 28 and the lower swing arm 27 thereon. When it is needed to lift simultaneously, the first rotary driver 11 acts, the lifting sleeve 4 synchronously lifts with the upper swing arm 28 and the lower swing arm 27. When the upper swing arm 28 needs to rotate to one side, the output shaft of the lifting driver 30 retracts, the movable sleeve 33 is lifted under the action of the lifting spring 29 until the anti-rotation column 38 is separated from the anti-rotation hole 39, the reset spring 40 rotates the upper swing arm 28, and the upper swing arm 28 is located on the corresponding abutting point of the hosiery machine; when it is needed to be consistent in angle, the second rotary driver 17 acts, the stand column 2 rotates to make the lower swing arm 27 rotate below the upper swing arm 28, the output shaft of the lifting driver 30 extends, the upper swing arm 28 is lowered until the anti-rotation column 38 is inserted into the anti-rotation hole 39, and the upper swing arm 28 and the lower swing arm 27 rotate synchronously.

[0065] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A lifting and rotating assembly of a hosiery machine swing arm transfer device, comprising a base (1) and a column (2), a column swing mechanism (3) being arranged between the base (1) and the column (2), characterized in that, The column (2) is sleeved with a vertically lifting lifting sleeve (4), a screw nut lifting mechanism (6) is arranged between the central hole (5) of the column (2) and the lifting sleeve (4), a guide rod (7) is arranged between the column (2) and the lifting sleeve (4) and located at the outer side, the guide rod (7) is parallel to the lifting axis of the column (2) and the lifting sleeve (4), and the lower end of the guide rod (7) is fixedly connected with the column (2) and the upper end penetrates the guide hole (8) of the lifting sleeve (4).

2. The lifting and rotating assembly of a hosiery machine swing arm transfer device according to claim 1, characterized in that, The screw nut lifting mechanism (6) comprises a nut (9) arranged at the top of the column (2), the screw rod (10) is screwed in the nut (9), and the upper end of the screw rod (10) is connected with the first rotary driver (11) arranged on the lifting sleeve (4).

3. The lifting and rotating assembly of a hosiery machine swing arm transfer device according to claim 2, characterized in that, The first rotary driver (11) is connected with the lifting sleeve (4) through the driver seat (12), and the bearing (13) is arranged between the light pole section of the screw rod (10) and the driver seat (12) or the lifting sleeve (4).

4. The lifting and rotating assembly of a hosiery machine swing arm transfer device according to claim 1, wherein, The lower end of the guide rod (7) is detachably fixed with the column (2) through the guide rod support (14).

5. The lifting and rotating assembly of a hosiery machine swing arm transfer device according to claim 1, wherein, The side of the lifting sleeve (4) is provided with a guide rod seat (15), and the guide hole (8) penetrating the upper and lower ends is formed in the guide rod seat (15).

6. The lifting and rotating assembly of a hosiery machine swing arm transfer device according to claim 1, wherein, The column swinging mechanism (3) comprises a second rotary driver (17) arranged on the base (1), a worm (18) connected to the output shaft of the second rotary driver (17), and the lower end of the column (2) is rotatably connected to the base (1) and is in transmission connection with the worm (18) through the worm wheel (19).

7. A hosiery machine swing arm transfer device characterized by, The lifting and rotating assembly of the swing arm transfer device of the hosiery machine comprises the lifting sleeve (4), the lower swing arm (27) and the upper swing arm (28) are sleeved on the lifting sleeve (4), the lower swing arm (27) is fixedly connected with the lifting sleeve (4), the lifting spring (29) is sleeved between the upper swing arm (28) and the lower swing arm (27), the upper end of the upper swing arm (28) is provided with the lifting driver (30) fixed on the lifting sleeve (4), and the clutch assembly (31) and the circumferential reset structure (32) are arranged between the lower swing arm (27) and the upper swing arm (28).

8. The hosiery machine swing arm transfer device of claim 7, wherein, The upper swing arm (28) and the lifting sleeve (4) are provided with the movable sleeve (33), the upper swing arm (28) is fixedly connected with the movable sleeve (33), the lifting spring (29) is arranged between the movable sleeve (33) and the lower swing arm (27), and the movable sleeve lifting annular groove (34) is arranged between the lower swing arm (27) and the lifting sleeve (4).

9. The hosiery machine swing arm transfer device of claim 8, wherein, The upper end of the lifting spring (29) abuts against the bottom of the upper fixed ring (35) at the upper end of the movable sleeve (33), and the lower end abuts against the inner annular groove (36) of the lower swing arm (27).

10. The hosiery machine swing arm transfer device of claim 7, wherein, The clutch assembly (31) comprises an anti-rotation post (38) and an anti-rotation hole (39) vertically arranged on the upper swing arm (28) and the lower swing arm (27) respectively, the anti-rotation post (38) is inserted into the anti-rotation hole (39) when the upper swing arm (28) and the lower swing arm (27) are turned to the same angle and vertically close to each other; The circumferential reset structure (32) comprises a reset spring (40) arranged between the upper swing arm (28), the lifting sleeve (4) and the lower swing arm (27), one end of the reset spring (40) is arranged in a spring ring groove (41) of the upper swing arm (28), the other end of the reset spring (40) is arranged on a spring lifting movable seat (42) deviated from the rotation center of the upper swing arm (28), at least two spring lifting guide posts (43) are arranged on the spring lifting movable seat (42), the upper ends of the spring lifting guide posts (43) are connected with the upper end of the lifting sleeve (4) through a connecting plate (44), and at least one spring lifting guide post (43) is arranged in a positioning hole (45) of the lower swing arm (27).

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