Conductive slip ring mounting structure for four-station film winding machine

Abstract

The utility model relates to a conductive slip ring mounting structure for a four-station film winding machine. The conductive slip ring mounting structure comprises a positioning lever rotationally connected with a wall plate, a turntable fixedly connected with the positioning lever, a winding shaft connected with the turntable, and a conductive slip ring arranged between the positioning lever and the wall plate, the conductive slip ring comprises a stator fixedly connected with the wall plate and a rotor fixed with the positioning lever; the wall plate is fixedly connected with a bearing sleeve, and the bearing sleeve is rotationally connected with the positioning lever through a bearing; an end cover is arranged on the bearing sleeve; a connecting plate is fixedly arranged at one end of the stator; the connecting plate is fixedly connected with the bearing sleeve; the wiring terminal is electrically connected with a motor for driving the winding shaft to rotate through an electric signal wire; the beneficial effects of the utility model are that through the arrangement of the installation structure, when the rotating disc rotates, the connecting line rotates along with the rotor and will not be wound.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially to a conductive slip ring mounting structure for four-station film winding machine. BACKGROUND

[0002] As an electric connector, the conductive slip ring is often used for continuous rotation transmission of electric signals between rotating parts and fixed parts. For a four-station plastic film winding machine, it includes a fixed wallboard and a rotating turntable around the wallboard, realizing four-station actions of paper tube threading, film winding, cutting and film roll unloading, uninterrupted work, continuous production, and each 90-degree rotation of the turntable is a station. When winding the film, the winding shaft needs to rotate to wind the film. In order to prevent the wires of the electric components driving the four winding shafts from being entangled together, a conductive slip ring needs to be installed. How to install the conductive slip ring and avoid wire and signal line entanglement becomes a technical problem to be solved.

[0003] In the existing patent with the application number 202121772828.0 and the name of a conductive slip ring mounting structure, it discloses a conductive slip ring, a turntable base, a turntable drive sleeve and a platform connecting plate. The conductive slip ring includes a rotor core and a stator sleeve. The lower end surface of the stator sleeve is uniformly provided with a plurality of pin holes. Each pin hole is provided with a stop pin. The upper end surface of the turntable base is provided with an installation groove corresponding to the installation of the conductive slip ring. The groove bottom of the installation groove is provided with a threaded hole corresponding to the pin hole. The inner end of the stop pin is correspondingly pinned to the pin hole. The outer end of the stop pin is correspondingly screwed to the threaded hole. The middle part of the stop pin is provided with a sealing ring. The turntable drive sleeve is combined with the outer wall of the turntable base through a bearing combination rotating sleeve. The middle plate surface of the platform connecting plate is detachably connected with the upper end surface of the rotor core. The outer edge of the platform connecting plate is detachably connected with the corresponding end of the turntable drive sleeve. This scheme uses a turntable structure and cannot be directly applied to the four-station film winding of the winding shaft. It needs to be improved.

[0004] There is also an application number CN202120935264.1, a kind of double torsion spring installation conductive slip ring structure, its disclosure the effective number of first spring body is one circle, first spring arm is circular arc and end is hook-shaped, second spring arm is linear and end is hook-shaped, the effective number of second spring body is one circle, third spring arm is circular arc and end is hook-shaped, fourth spring arm is linear and end is hook-shaped, arm bridge is in second spring arm end and fourth spring arm end and first torsion spring and second torsion spring are connected into one, first torsion spring and second torsion spring are completely same and symmetrical relative to the normal plane through the midpoint of arm bridge.Double torsion spring's first spring arm and third spring arm are directly hooked and pasted on the stand, the first spring body and the second spring body of double torsion spring are circumferentially pressed and pasted on the stand, the brush is clamped between second spring arm and fourth spring arm, and is pressed on the slip ring through the arm bridge.Double torsion spring provides compression force for the brush, and also provides a clamping mechanism for the brush;Its structure is only suitable for the connection of two springs twisted at a certain angle, is not suitable for rotating parts, and cannot be directly applied to four-station film winding machine. Utility model content

[0005] The utility model aims at providing a kind of conductive slip ring installation structure for four-station film winding machine, can when its connected wire and signal line are not wound when rotating disc and winding shaft rotate.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] Four-station film winding machine includes the positioning lever being rotatably connected with wallboard, the rotating disc being fixedly connected with the positioning lever, and the winding shaft being rotatably connected with the rotating disc;Motor is arranged on rotating disc and drives winding shaft to rotate, and conductive slip ring is arranged between positioning lever and wallboard;

[0008] A kind of conductive slip ring installation structure for four-station film winding machine, and the conductive slip ring includes the stator being fixedly connected with the wallboard and the rotor being fixedly connected with the positioning lever.

[0009] Further, the positioning lever is a hollow shaft structure.

[0010] Further, the wallboard is provided with a central hole, and a bearing sleeve is fixedly connected in the central hole, and the bearing sleeve is rotatably connected with the positioning lever by a bearing.

[0011] Further, an end cover is arranged on the bearing sleeve, and the end cover is in clearance fit with the outer circle of the positioning lever.

[0012] Further, a positioning stop is arranged on the end cover to ensure that the end cover is concentric with the bearing sleeve.

[0013] Further, the stator is fixedly provided with a connecting plate at one end;The connecting plate is fixedly connected with the bearing sleeve;The stator is provided with a wire inlet terminal for inputting electric signal.

[0014] The rotor is provided with a terminal box; the terminal box is provided with a terminal, and the terminal is electrically connected with the motor driving the winding shaft through an electric signal line.

[0015] Further, the rotor is provided with a light hole in the circumferential direction, and the positioning rod is provided with a threaded hole, and the positioning rod is fixedly connected with the rotor through a locking screw.

[0016] Further, the bearing sleeve is provided with a fixed shaft; and the fixed shaft is fixedly connected with the connecting plate through a bolt.

[0017] The utility model discloses beneficial effect is:

[0018] Through the bearing sleeve and the bearing, the fixed positioning rod is rotatable with the wallboard, the stator is fixed with the wallboard, the rotor is fixed with the positioning rod, and the terminal is arranged on the stator and used for inputting electric signal.

[0019] The rotor is provided with a terminal box, and the terminal in the terminal box is electrically connected with the motor through an electric signal line.

[0020] The positioning shaft is arranged to adjust the distance between the stator and the bearing sleeve, and the connecting plate is arranged to fix the stator and the bearing sleeve, so that the electric signal line rotates with the rotor when the positioning rod and the rotating disc rotate, and the electric signal line is not wound. DRAWINGS

[0021] Figure 1 It is the structure schematic front view of the utility model;

[0022] Figure 2 It is the structure schematic front view of the utility model; Figure 1 It is the A place enlarged view of the utility model;

[0023] Figure 3 It is the connection structure schematic left view of the conductive slip ring and the bearing sleeve;

[0024] Figure 4 It is the structure schematic view of the end cover;

[0025] Figure 5 It is the left view of the conductive slip ring;

[0026] Figure 6 It is the right view of the conductive slip ring;

[0027] Mark explanation in drawing:

[0028] 1-rotating disc, 2-winding shaft, 3-positioning rod, 4-conductive slip ring, 5-wallboard, 6-end cover, 7-bearing, 8-bearing sleeve, 9-fixed shaft, 10-connecting plate, 11-bolt, 21-wire number line, 22-wire inlet terminal, 41-stator, 42-rotor, 43-light hole, 44-terminal box, 61-stop port. DETAILED DESCRIPTION

[0029] Embodiment 1

[0030] The four-station film winding machine comprises a positioning lever 3 rotatably connected with wall plates 5 at both ends, a rotating disc 1 fixedly connected with the positioning lever 3, four winding shafts 2 evenly arranged along the center of the rotating disc 1, and the four winding shafts 2 are spaced 90 degrees apart to realize four processes of film winding, cutting, film unloading and paper tube threading, namely four-station, and continuous production is realized.

[0031] The conductive slip ring installation structure for the four-station film winding machine comprises a conductive slip ring 4 arranged between the positioning lever 3 and the wall plate 5.

[0032] The conductive slip ring 4 comprises a rotor 42 fixedly connected with the positioning lever 3 and a stator 41 fixedly connected with the wall plate 5.

[0033] As shown in Figure 1 , the positioning lever 3 is in a hollow shaft structure, which is convenient for signal lines to pass through from the inside and then be connected to electrical components such as driving motors, proximity switches and electromagnetic valves on the winding shafts 2 of the rotating disc 1.

[0034] The wall plate 5 is provided with a central hole, and a bearing sleeve 8 is fixedly connected in the central hole.

[0035] In detail, as shown in Figure 2 , the bearing sleeve 8 is provided with a flange portion, and the flange portion is fixedly connected with the end face of the wall plate 5 through bolts.

[0036] As shown in Figure 1 / 3 / 5 / 6, one end of the stator 41 is fixedly provided with a connecting plate 10.

[0037] In detail, the rotor 42 is provided with a light hole 43 in the circumferential direction, and a tight screw is fixedly connected with a threaded hole of the positioning lever 3 through the light hole 43.

[0038] The bearing sleeve 8 is provided with a fixed shaft 9.

[0039] The working process of the utility model,

[0040] The side wall of the positioning lever 3 is provided with a slot hole, and the electric wire 21 passes through the slot hole after being connected with the terminal of the junction box 44 and passing through the inner hole of the positioning lever 3, so as to control the actions of the four winding shafts 2 respectively; the electric signal wire 21 is prevented from being wound when the winding shaft 2 rotates.

[0041] Embodiment 2

[0042] The embodiment is basically same as the structure of the embodiment 1,

[0043] The difference is that,

[0044] As shown in Figure 2 In order to prevent the bearing 7 from falling into dust during use and affecting the service life, the bearing sleeve 8 is provided with an end cover 6, and the end cover 6 is in clearance fit with the outer circle of the positioning lever 3. A sealing ring can be arranged in the clearance; the end cover 6 can avoid the bearing from being exposed, and can also axially limit the bearing 7 to prevent the bearing 7 from axially moving.

[0045] Embodiment 3

[0046] The embodiment is basically same as the structure of the embodiment 2,

[0047] The difference is that,

[0048] As shown in Figure 2 / 4, the end cover 6 is provided with a positioning stop 61 for ensuring that the end cover 6 is concentric with the bearing sleeve 8. The stop 61 ensures that the end cover 6 is concentric with the bearing sleeve 8, avoids eccentricity during rotation to cause vibration and other faults, and affects the service life of the rotating part.

[0049] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this; any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0050] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0051] The above-mentioned is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail, the ordinary skilled person in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply the conventional experimental means before the date, the ordinary skilled person in the art can improve and implement the present scheme under the inspiration given in the present application, and some typical known structures or known methods should not become an obstacle for the ordinary skilled person in the art to implement the present application. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A conductive slip ring mounting structure for a four-station film winding machine, the four-station film winding machine comprising a positioning lever (3) connected with a wall plate (5), a rotating disc (1) fixedly connected with the positioning lever (3), and a winding shaft (2) rotationally connected with the rotating disc (1); characterized in that, The positioning lever (3) is rotationally connected with the wallboard (5), and a conductive slip ring (4) is arranged between the positioning lever (3) and the wallboard (5); the conductive slip ring (4) comprises a stator (41) fixedly connected with the wallboard (5) and a rotor (42) fixedly connected with the positioning lever (3).

2. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 1, wherein: The positioning lever (3) is a hollow shaft structure.

3. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 2, wherein, The wallboard (5) is provided with a central hole, and a bearing sleeve (8) is fixedly connected in the central hole; the bearing sleeve (8) is rotationally connected with the positioning lever (3) through a bearing (7).

4. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 3, wherein, An end cover (6) is arranged on the bearing sleeve (8), and the end cover (6) is in clearance fit with the outer circle of the positioning lever (3).

5. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 4, wherein: A positioning stop (61) is arranged on the end cover (6) to ensure that the end cover (6) is concentric with the bearing sleeve (8).

6. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 5, wherein: One end of the stator (41) is fixedly provided with a connecting plate (10); the connecting plate (10) is fixedly connected with the bearing sleeve (8); the rotor (42) is provided with a junction box (44); the junction box (44) is provided with a terminal, and the terminal is electrically connected with a motor driving the winding shaft (2) through an electric signal line (21).

7. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 6, wherein: The rotor (42) is provided with a light hole (43) in the circumferential direction, the positioning lever (3) is provided with a threaded hole, and the threaded hole of the positioning lever (3) is fixedly connected with the light hole (43) of the rotor (42) through a set screw.

8. An electrically conductive slip ring mounting structure for a four-station film winder as defined in claim 6, wherein: The bearing sleeve (8) is provided with a fixing shaft (9); and the fixing shaft (9) is fixedly connected with the connecting plate (10) through a bolt (11).

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