Supporting device for wire binding machine

Abstract

The utility model relates to the technical field of stator processing, in particular to a supporting device for a wire binding machine. A supporting device for a wire binding machine comprises a hollow cylinder; the central shaft is coaxial and is assembled in the hollow cylinder in a clearance manner, and the central shaft can slide relative to the hollow cylinder; the supporting assembly comprises at least three supporting pieces, the at least three supporting pieces are evenly assembled on the hollow cylinder in the circumferential direction, one supporting piece is a movable supporting piece, and the movable supporting piece penetrates through the hollow cylinder to extend into the hollow cylinder and is matched with the inclined face of the center shaft; a first installation hole is further formed in the hollow cylinder body, the first installation hole is located in the axial side of the movable supporting piece, the first installation hole is used for assembling the movable supporting piece according to needs, and a first inclined face is formed in the position, corresponding to the first installation hole, of the center shaft. The technical problem that a positioning die in the prior art is only suitable for supporting stators of small specifications and is poor in applicability is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stator processing, in particular to a supporting device for a wire binding machine. Background Art

[0002] To prevent the coil assembly of a motor stator from becoming loose, stator manufacturers typically perform wire binding on the stator after winding. Specifically, this involves wrapping the coil assembly with thin wire. During this process, the stator needs to be positioned and supported. During the binding process, the stator rotates with the operation of the wire binding machine, necessitating a support device for the wire binding machine.

[0003] For example, the document with application number CN202221488836.7 discloses a stator positioning mechanism of an easy-to-change single-binding machine, which specifically discloses: the stator mold includes a main shaft, which is rotatably connected to the mounting plate, a core mold seat is provided at the end of the main shaft, a core mold is installed in the core mold seat, and the core mold is connected to the core mold seat through a pull-ring plunger, a core mold expansion block is provided on the core mold, and a core mold slider is provided on the main shaft, which can push the core mold expansion block to move, and a pushing mechanism of the core mold slider is installed on the mounting plate. The pushing mechanism includes a cylinder, a core expanding shaft, a main shaft expanding block mounting shaft and a main shaft expanding block. The cylinder is fixedly mounted on the mounting plate, the output shaft of the cylinder passes through the mounting plate and is connected to the main shaft expanding shaft, the main shaft expanding shaft is located inside the main shaft, the end of the main shaft expanding shaft is fixedly mounted with the main shaft expanding block mounting shaft, the main shaft expanding block is mounted on the main shaft expanding block mounting shaft, the end face of the main shaft expanding block is adapted to the slider of the core mold slider, when the cylinder pushes the main shaft expanding block to move along the axis direction of the main shaft, the main shaft expanding block pushes the core mold slider to move along the radial direction of the main shaft.

[0004] The positioning mold in the above application can support the motor stator, but the core mold in the above positioning mold is relatively small and can only support stators of smaller specifications. Once the stator size is too large and the axial length increases, it is easy to cause problems with unstable support. Utility Model Content

[0005] In order to solve the technical problem that the positioning mold in the prior art is only suitable for supporting stators of smaller specifications and has poor applicability, the utility model provides a supporting device for a wire binding machine, which solves the above technical problem.

[0006] In order to solve the above technical problems, the utility model provides a support device for a wire binding machine, comprising:

[0007] Hollow cylinder;

[0008] A central shaft, the central shaft being coaxially and gap-fitted inside the hollow cylinder, the central shaft being slidable relative to the hollow cylinder;

[0009] A support assembly, the support assembly comprising at least three support members, the at least three support members being evenly assembled on the hollow cylinder in a circumferential direction, one of the support members being a movable support member, the movable support member extending through the hollow cylinder into the hollow cylinder and cooperating with the inclined surface of the central axis;

[0010] A first mounting hole is also formed on the hollow cylinder. The first mounting hole is located on one axial side of the movable support. The first mounting hole is used to assemble the movable support as needed. A first inclined surface is formed on the central axis corresponding to the first mounting hole.

[0011] According to an embodiment of the present invention, the movable support member is located directly above the central axis.

[0012] According to one embodiment of the present utility model, the movable support member includes a movable support seat and a first support body, the first support body is assembled on the movable support seat, the movable support seat slides through the hollow cylinder, a wedge-shaped surface is formed at the inner end of the movable support seat, a second inclined surface is formed on the center axis, and the wedge-shaped surface is in contact with the second inclined surface.

[0013] According to one embodiment of the present invention, a limit seat is further included, a second mounting hole is formed on the hollow cylinder, the limit seat is fixed at the second mounting hole, the movable support seat slides through the limit seat, and the inner end of the movable support seat expands outward to be limited by the limit seat.

[0014] According to an embodiment of the present invention, a spacer is provided between the central shaft and the hollow cylinder. The spacer is located below the central shaft, and an axial extension range of the spacer covers an axial extension range of the first inclined surface and the second inclined surface.

[0015] According to one embodiment of the present invention, other support members except the movable support member are fixed support members, and the fixed support member includes a fixed support seat and a second support body, the fixed support seat is fixedly assembled on the hollow cylinder, and the second support body is assembled on the fixed support seat, and the outer surfaces of the fixed support member and the movable support member are both arc-shaped outer surfaces.

[0016] According to one embodiment of the present invention, the central shaft slides under the drive of the telescopic drive device, and the hollow cylinder rotates under the drive of the rotary drive device, and the central shaft and the hollow cylinder rotate in coordination.

[0017] According to one embodiment of the present invention, the end of the central shaft away from the support assembly is equipped with a connecting pipe, and the telescopic end of the telescopic drive device extends into the connecting pipe and is rotatably connected to the connecting pipe.

[0018] According to an embodiment of the present invention, the outer circumferential surface of the connecting pipe is a non-circular outer circumferential surface, and a shaft sleeve is provided between the connecting pipe and the hollow cylinder.

[0019] According to one embodiment of the present invention, it also includes a support platform, the hollow cylinder is rotatably assembled on the support platform, the rotation drive device and the telescopic drive device are both assembled on the support platform, the support platform is lifted and assembled on the support seat, and the support seat is horizontally slidably assembled on the base.

[0020] Based on the above technical solution, the technical effects that can be achieved by the present invention are:

[0021] The support device of the utility model is provided with a support assembly, the support assembly includes at least three support members, and at least three support members can realize stable support of the stator, one of the support members is a movable support member, then in the initial state, the movable support member can be in a retracted state first, and after the support assembly extends into the interior of the stator, the movable support member can be extended under the drive of the central axis, close to the inner wall of the stator, and position the stator, and the setting of the movable support member can adapt to stators of different sizes and has strong adaptability; a first mounting hole is also formed on the hollow cylinder, and a first inclined surface is formed on the central axis corresponding to the first mounting hole, so that the movable support member can be assembled in the first mounting hole as needed, thus adapting to stators of various specifications, for stators with smaller axial dimensions, there is no need to assemble the movable support member in the first mounting hole; for stators with larger axial dimensions, the movable support member can be assembled in the first mounting hole, thus increasing the contact area between the movable support member and the inner wall of the stator, thereby achieving accurate support for stators with larger dimensions;

[0022] The support device of the present invention is provided with a movable support member located directly above the central axis. The movable support member only needs to be movably assembled on the hollow cylinder, and the movable support member can maintain cooperation with the inclined surface of the central axis under the action of gravity. Specifically, the inner end of the movable support seat of the movable support member is formed with a wedge-shaped surface and a second inclined surface is formed on the central axis. When the central axis slides axially, the axial position of the second inclined surface changes, which can drive the movable support member to extend and retract on the hollow cylinder.

[0023] The support device of the present invention is provided with a pad between the hollow shaft and the hollow cylinder. The pad is located below the central shaft, and the axial extension range of the pad covers the axial extension range of the first inclined surface and the second inclined surface. The pad can ensure support for the hollow shaft, and when the movable support member is assembled in the first mounting hole, the first inclined surface and the second inclined surface can push the two movable support members to extend and retract synchronously.

[0024] The support device of the utility model, by setting the structure between the central shaft and the hollow cylinder, enables the hollow cylinder to rotate when the rotary drive device drives the hollow cylinder to rotate, and the hollow cylinder can drive the central shaft to rotate together through the shaft sleeve and the connecting pipe; the central shaft can also move axially relative to the hollow cylinder under the driving action of the telescopic drive device;

[0025] The support device of the present invention also includes a support platform, and the hollow cylinder, the rotary drive device and the telescopic drive device are all assembled on the support platform. After the support assembly stably supports the stator, the support platform can be raised and moved horizontally to the working position. Then, the rotary drive device drives the hollow cylinder to rotate, which can drive the stator to rotate, thereby realizing the processing of the stator. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic structural diagram of a support device for a wire binding machine according to the present invention;

[0027] Figure 2 is a structural schematic diagram of the supporting device from another perspective;

[0028] Figure 3 Schematic diagram of the structure of the support device after omitting the support seat and base;

[0029] Figure 4 for Figure 3 a cross-sectional view of the structure shown;

[0030] Figure 5 It is a structural diagram of a hollow cylinder;

[0031] Figure 6 is a structural diagram of the central axis;

[0032] Figure 7 Schematic diagram of the structure of the movable support;

[0033] Figure 8 is a structural diagram of a fixed support member;

[0034] In the figure: 1-hollow cylinder; 11-first mounting hole; 12-second mounting hole; 2-center axis; 21-first inclined plane; 22-second inclined plane; 3-support assembly; 31-movable support member; 311-movable support seat; 3111-wedge surface; 312-first support body; 313-limiting seat; 32-fixed support member; 321-fixed support seat; 322-second support body; 4-pad; 5-telescopic drive device; 6-rotational drive assembly; 7-connecting pipe; 8-sleeve; 91-support platform; 911-connecting cylinder; 912-support frame; 92-support seat; 921-vertical slide rail; 93-base; 931-horizontal slide rail; 20-stator. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0038] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0039] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0040] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.

[0041] like Figure 1-8 As shown, this embodiment provides a support device for a wire binding machine, including a hollow cylinder 1, an intermediate shaft 2 and a support assembly 3. The intermediate shaft 2 is coaxially and gap-assembled inside the hollow cylinder 1. The support assembly 3 is assembled on the outer peripheral surface of the end of the hollow cylinder 1. The support assembly 3 includes at least three support members, one of which is a movable support member 31. The movable support member 31 can pass through the hollow cylinder 1 and extend into the interior of the hollow cylinder 1, and cooperate with the inclined surface of the intermediate shaft 2; the intermediate shaft 2 can slide axially in the hollow cylinder 1, and the axial sliding of the intermediate shaft 2 can control the radial expansion and contraction of the movable support member 31.

[0042] The hollow cylinder 1 is essentially a hollow cylinder. It can be a one-piece structure or a split structure assembled into a single unit. The first end of the hollow cylinder 1 is used to mount the support assembly 3, while the second end of the hollow cylinder 1 is rotated to mount the support assembly 3. Specifically, to mount the support assembly 3, the outer surface of the first end of the hollow cylinder 1 is formed with multiple cutting flats. These cutting flats extend parallel to the axial direction and are evenly spaced along the circumference. The support members of the support assembly 3 are assembled on these cutting flats.

[0043] As a preferred technical solution of this embodiment, the axial length of one cutting plane is greater than that of the other cutting planes. The cutting plane is used to assemble the movable support 31. A first mounting hole 11 and a second mounting hole 12 are formed on the cutting plane and are axially spaced apart. The second mounting hole 12 can be used to assemble the movable support 31 in the support assembly 3. The first mounting hole 1 is located on the axial inner side of the movable support 31 and can be used to assemble another movable support 31 as needed to adapt to the axial size of the supported stator 20.

[0044] As a preferred technical solution of this embodiment, in the initial state, the first mounting hole 11 and the second mounting hole 12 are located directly above the central axis 2 .

[0045] As a preferred technical solution of this embodiment, the hollow cylinder 1 is driven to rotate by a rotary drive device 6, and the rotary drive device 6 can be selected from but not limited to a hollow rotary workbench, such as Taiwan Farat FTD-FTP series hollow rotary workbench.

[0046] The center shaft 2 is coaxially and gap-assembled inside the hollow cylinder 1. The first end of the center shaft 2 is located inside the first end of the hollow cylinder 1. A first inclined surface 21 is formed on the center shaft 2 corresponding to the first mounting hole 11, and a second inclined surface 22 is formed on the center shaft 2 corresponding to the second mounting hole 12. When the movable support 31 is assembled in the first mounting hole 11 and / or the second mounting hole 12, the center shaft 2 can move axially, and the movable support 31 is driven to radially expand and contract through the first inclined surface 21 and / or the second inclined surface 22; the second end of the center shaft 2 is slidably and rotationally assembled inside the second end of the hollow cylinder 1.

[0047] As a preferred technical solution of this embodiment, the central shaft 2 moves axially under the drive of the telescopic drive device 5. Specifically, the second end of the central shaft 2 is equipped with a connecting tube 7. The first end of the connecting tube 7 is fixedly connected to the second end of the central shaft 2. The telescopic end of the telescopic drive device 5 extends into the second end of the connecting tube 7 and is rotationally connected to the connecting tube 7. For example, the telescopic end of the telescopic drive device 5 is connected to the connecting tube 7 via a bearing.

[0048] As the preferred technical solution of this embodiment, the outer circumferential surface of the connecting tube 7 is a non-circular outer circumferential surface, and the outer circumferential surface of the connecting tube 7 has at least one plane. A sleeve 8 is provided between the connecting tube 7 and the inner surface of the second end of the hollow cylinder 1. The inner circumferential surface of the sleeve 8 fits the shape of the connecting tube 7. When the hollow cylinder 1 rotates, the central shaft 2 can be driven to rotate synchronously through the sleeve 8 and the connecting tube 7; when the telescopic drive device 5 drives the central shaft 2 to telescope, the telescopic drive device 5 can drive the central shaft 2 to move axially through the connecting tube 7. At this time, the connecting tube 7 can slide axially relative to the sleeve 8.

[0049] As a preferred technical solution of this embodiment, to ensure stable fit between the first end of the hollow cylinder 1 and the first end of the central shaft 2, a spacer 4 is further provided between the first end of the hollow cylinder 1 and the first end of the central shaft 2. In the initial state, the spacer 4 is positioned directly below the central shaft 2, providing support for the central shaft 2 and ensuring concentricity between the central shaft 2 and the hollow cylinder 1. Preferably, the axial extension of the spacer 4 covers the axial extension of the first inclined surface 21 and the second inclined surface 22.

[0050] The support assembly 3 includes at least three support members, one of which is a movable support member 31 and the rest are fixed support members 32 . The movable support member 31 is assembled in the second mounting hole 12 , and the fixed support member 32 is directly fixed on other cutting planes of the hollow cylinder 1 .

[0051] Specifically, the movable support member 31 includes a movable support seat 311 and a first support body 312. The movable support seat 311 can pass through the second mounting hole 12 and slide radially along the second mounting hole 12. A wedge surface 3111 is formed at one end of the movable support seat 311 close to the center axis 2, and the first support body 312 is assembled at the other end of the movable support seat 311.

[0052] As a preferred technical solution of this embodiment, the movable support member 31 further includes a limiting seat 313 . The limiting seat 313 is fixed in the second mounting hole 12 and is used to limit the movable support member 311 to prevent it from falling out.

[0053] Specifically, the fixed support member 32 includes a fixed support seat 321 and a second support body 322 . The fixed support seat 321 is fixed to the outer surface of the hollow cylinder 1 , and the second support body 322 is assembled on the fixed support seat 321 .

[0054] As a preferred technical solution of this embodiment, there are two fixed support members 32, and the two fixed support members 32 and one movable support member 31 are evenly arranged along the circumferential direction; the outer surfaces of the first support body 312 and the second support body 322 are both arc-shaped surfaces, which can fit well with the inner circumferential surface of the stator 20 when supporting the stator 20.

[0055] The supporting device of this embodiment also includes a supporting structure, in which the hollow cylinder 1, the telescopic driving device 5 and the rotating driving device 6 are all assembled on the supporting platform 91, the supporting platform 91 is assembled and lowered on the supporting seat 92, and the supporting seat 92 is assembled and horizontally slidably on the base 93.

[0056] Specifically, the support platform 91 is arranged vertically, and a connecting tube 911 is formed on the side of the support platform 91 facing the hollow cylinder 1. The second end of the hollow cylinder 1 extends into the connecting tube 911 and is rotatably assembled with the connecting tube 911; a support frame 912 is formed on the other side of the support platform 91, and the telescopic drive device 5 is assembled on the support frame 912 to drive the central axis 2 to axially extend and retract; the rotation drive assembly 6 is assembled on the support frame 912 and the support platform 91 to drive the hollow cylinder 1 to rotate.

[0057] As a preferred technical solution of this embodiment, the support base 92 is formed with two vertical slide rails 921, which are vertically distributed at the left and right ends of the support base 92. The support platform 91 is correspondingly provided with sliders, and the support platform 91 can slide along the vertical slide rails 921 under the drive of the lifting drive device. The lifting drive device can be selected from, but is not limited to, a telescopic cylinder.

[0058] As a preferred technical solution of this embodiment, the base 93 is formed with two horizontal slide rails 931, which are arranged parallel to and spaced apart from the two horizontal slide rails 921. A slider is correspondingly provided at the lower end of the support base 92. The base 93 can drive the support base 92 and the structure thereon to slide along the horizontal slide rails 921 under the drive of a horizontal drive device. The horizontal drive device can be selected from, but is not limited to, a screw drive device.

[0059] Based on the above structure, the support device for a wire binding machine of this embodiment, when used in the wire binding machine, in the initial state, the wedge-shaped surface 311 of the movable support member 31 corresponds to the deep concave portion of the second inclined surface 22 of the central axis 2. At this time, the length of the movable support member 31 extending from the hollow cylinder 1 is the shortest, making it easier for the support assembly 3 to extend into the interior of the stator 20.

[0060] After the support assembly 3 extends into the interior of the stator 20, the telescopic drive device 5 pushes the central shaft 2 to move axially, causing the shallow concave portion of the second inclined surface 22 to gradually fit into the wedge-shaped surface 311, and radially pushes the movable support member 31 out until the movable support member 31 and the two fixed support members 32 are in close contact with the inner circumference of the stator 20, thereby achieving stable support for the stator 20;

[0061] After supporting the stator 20, the position of the stator 20 can be adjusted by the lifting drive device and the horizontal drive device. After adjustment, the rotation drive device 6 can drive the hollow cylinder 1 to rotate, and the hollow cylinder 1 and the center axis 2 drive the stator 20 to rotate together, thereby binding the stator 20.

[0062] When the axial length of the stator 20 is large, another movable support member can be assembled in the first mounting hole 11 of the hollow cylinder 1. The first inclined surface 21 can adjust the position of the movable support member. The two movable supports can be radially extended and retracted synchronously to support the stator 20 with a large axial length.

[0063] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A support device for a wire binding machine, characterized in that: include: Hollow cylinder (1); A central shaft (2), the central shaft (2) being coaxially and gap-fitted inside the hollow cylinder (1), and the central shaft (2) being slidable relative to the hollow cylinder (1); A support assembly (3), the support assembly (3) comprising at least three support members, the at least three support members being evenly mounted on the hollow cylinder (1) in the circumferential direction, one of the support members being a movable support member (31), the movable support member (31) passing through the hollow cylinder (1) and extending into the hollow cylinder (1) to cooperate with the inclined surface of the central axis (2); A first mounting hole (11) is also formed on the hollow cylinder (1), the first mounting hole (11) is located on one axial side of the movable support member (31), the first mounting hole (11) is used to assemble the movable support member (31) as required, and a first inclined surface (21) is formed on the central shaft (2) corresponding to the first mounting hole (11).

2. A support device for a wire binding machine according to claim 1, characterized in that: In an initial state, the movable support member (31) is located directly above the central axis (2).

3. A support device for a wire binding machine according to claim 1, characterized in that: The movable support member (31) comprises a movable support seat (311) and a first support body (312), wherein the first support body (312) is assembled on the movable support seat (311), the movable support seat (311) slides through the hollow cylinder (1), a wedge-shaped surface (3111) is formed at the inner end of the movable support seat (311), a second inclined surface (22) is formed on the central axis (2), and the wedge-shaped surface (3111) is in contact with the second inclined surface (22).

4. A support device for a wire binding machine according to claim 3, characterized in that: It also includes a limiting seat (313), a second mounting hole (12) is formed on the hollow cylinder (1), the limiting seat (313) is fixed at the second mounting hole (12), the movable support seat (311) slides through the limiting seat (313), and the inner end of the movable support seat (311) expands outwards to be limited by the limiting seat (313).

5. A support device for a wire binding machine according to any one of claims 3 to 4, characterized in that: A cushion block (4) is also provided between the central axis (2) and the hollow cylinder (1); in an initial state, the cushion block (4) is located below the central axis (2); and an axial extension range of the cushion block (4) covers an axial extension range of the first inclined surface (21) and a second inclined surface (22).

6. A support device for a wire binding machine according to claim 1, characterized in that: The other support members except the movable support member (31) are fixed support members (32), and the fixed support member (32) comprises a fixed support seat (321) and a second support body (322), the fixed support seat (321) is fixedly assembled on the hollow cylinder (1), and the second support body (322) is assembled on the fixed support seat (321), and the outer surfaces of the fixed support member (32) and the movable support member (31) are both arc-shaped outer surfaces.

7. A support device for a wire binding machine according to claim 1, characterized in that: The central shaft (2) slides under the drive of the telescopic drive device (5), and the hollow cylinder (1) rotates under the drive of the rotary drive device (6), and the central shaft (2) and the hollow cylinder (1) rotate in coordination.

8. A support device for a wire binding machine according to claim 7, characterized in that: One end of the central shaft (2) away from the support assembly (3) is equipped with a connecting pipe (7), and the telescopic end of the telescopic drive device (5) extends into the connecting pipe (7) and is rotatably connected to the connecting pipe (7).

9. A support device for a wire binding machine according to claim 8, characterized in that: The outer peripheral surface of the connecting pipe (7) is a non-circular outer peripheral surface, and a shaft sleeve (8) is provided between the connecting pipe (7) and the hollow cylinder (1).

10. A support device for a wire binding machine according to any one of claims 7 to 9, characterized in that: The invention also comprises a support platform (91), the hollow cylinder (1) is rotatably mounted on the support platform (91), the rotation drive device (6) and the telescopic drive device (5) are both mounted on the support platform (91), the support platform (91) is lifted and mounted on a support seat (92), and the support seat (92) is horizontally slidably mounted on a base (93).

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