Multi-spindle rotating spindle hub

Abstract

The utility model discloses a multi-spindle rotating spindle hub which comprises a shaft body, a shaft hub body is sleeved outside the shaft body, a nut is connected outside the shaft body in a penetrating mode through threads, the bottom end of the nut is attached to the shaft hub body, a limiting mechanism used for locking the position where the nut is located is arranged at the top of the nut, and the limiting mechanism comprises a connecting cylinder, a fixing frame and a limiting rod. The fixing frame is located on the side portion of the connecting cylinder, the limiting rod is slidably arranged on the side portion of the shaft body, the connecting cylinder is used for supporting the positions of the fixing frame and the limiting rod, and the limiting rod is used for locking the relative position of the nut and the shaft body. The shaft hub, the nut, the connecting cylinder, the fixing frame, the limiting rod and the arc-shaped plate are matched with one another, the arc-shaped plate drives the limiting rod to move, the limiting rod slides on the fixing frame and the connecting cylinder, the limiting rod limits the relative position of the connecting cylinder and the shaft body, and then limiting protection on the nut is facilitated; and the mounting stability of the shaft hub is conveniently improved.

Description

Technical Field

[0001] The utility model relates to the field of multi-spindle rotating main shaft hubs, in particular to a multi-spindle rotating main shaft hub. Background Art

[0002] The spindle is usually a shaft used to support and transmit rotational power. The spindle is usually a main rotating shaft. The hub usually refers to the component connected to the shaft, which is used to fix or support other mechanical components. The spindle is usually connected to the hub, thus forming a multi-spindle rotating spindle hub for use.

[0003] In the application number 202322153631.4, a shaft-hub connection device is mentioned, which includes a shaft, a hub, and a hydraulic nut. The hub is sleeved on one end of the shaft, and the hydraulic nut is threaded on the external thread at the end of the shaft. At least one end of the axial hole of the shaft is provided with a stepped groove, and the stepped groove is provided with an outer wedge ring and an inner wedge ring that cooperate with each other. The cross-sections of the outer wedge ring and the inner wedge ring are both right-angled trapezoidal shapes.

[0004] The hub is connected to the shaft, and then the hub is installed and fixed with a nut. However, after the nut is connected to the shaft, as the shaft is rotated for a long time and there is a certain amplitude during the rotation, the nut may rotate and move, affecting the stability of the hub-shaft connection. After the hub is installed, it is not convenient to limit the nut, which has certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-spindle rotating spindle hub to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a multi-spindle rotating spindle hub, comprising:

[0007] A shaft body, wherein the shaft body is sleeved with a shaft hub on its exterior, and a nut is inserted and connected through the external thread of the shaft body, and the bottom end of the nut is fitted with the shaft hub;

[0008] A limiting mechanism for locking the position of the nut is provided at the top of the nut, and the limiting mechanism includes:

[0009] A connecting tube, a fixed frame and a limiting rod, wherein the fixed frame is located on the side of the connecting tube, the limiting rod is slidably arranged on the side of the shaft body, the connecting tube is used to support the positions of the fixed frame and the limiting rod, and the limiting rod is used to lock the relative positions of the nut and the shaft body.

[0010] Preferably, the outer wall of the connecting tube is fixedly connected to an assembly plate, the top end of the assembly plate is threadedly inserted and connected to a mounting bolt, one end of the mounting bolt is threadedly inserted and connected to the hub, a slot is provided on the outside of the shaft body, and the limit rod is slidably inserted and connected to the inner cavity of the slot.

[0011] Preferably, a first slide groove is opened on the side of the fixed frame, a second slide groove is opened on the outer wall of the connecting tube, the limiting rod is slidably and interlacedly connected with the inner cavities of the first slide groove and the second slide groove, and the side of the fixed frame is fixedly connected to the connecting tube.

[0012] Preferably, the side of the limit rod is fixedly connected with an auxiliary plate for driving the limit rod to slide horizontally, the side of the auxiliary plate is fixedly connected with a fixing rod, the outside of the fixing rod is slidably and interlacedly connected with the side of the inner wall of the fixing frame, and the side of the limit rod is fixedly connected with an arc plate.

[0013] Preferably, the outer wall of the fixing rod is sleeved with a spring for driving the auxiliary plate to slide horizontally, one end of the spring is fixedly connected to the auxiliary plate, and the other end of the spring is fixedly connected to the inner wall of the fixing frame.

[0014] Preferably, the side of the arc plate is fixedly connected to a positioning seat, the top of the fixed frame is fixedly connected to a supporting plate, the top of the supporting plate is slidably and interlacedly connected with a positioning rod for locking the position of the positioning seat, the positioning rod is slidably and interlacedly connected with the inner cavity of the positioning seat, the bottom end of the positioning rod is fixedly connected to a first magnet, the bottom end of the inner wall of the positioning seat is fixedly connected to a second magnet, and the first magnet and the second magnet have opposite magnetic poles.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model utilizes the mutual cooperation of the shaft hub, the nut, the connecting tube, the fixing frame, the limiting rod and the arc plate. The arc plate drives the limiting rod to move. The limiting rod slides on the fixing frame and the connecting tube. The limiting rod limits the relative position of the connecting tube and the shaft body, which is beneficial to the limiting protection of the nut and increases the stability of the shaft hub installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a front sectional structural schematic diagram of the utility model.

[0019] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1, shaft body; 2, shaft hub; 3, nut; 4, limiting mechanism; 41, connecting tube; 42, fixing frame; 43, limiting rod; 44, arc plate; 45, fixing rod; 46, spring; 47, bearing plate; 48, positioning rod; 49, positioning seat; 410, first magnet; 411, second magnet; 412, auxiliary plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-3 A multi-spindle rotating main shaft hub shown includes a shaft body 1, an outer sleeve of the shaft body 1 is provided with a shaft hub 2, and the outer thread of the shaft body 1 is interspersed with a nut 3, which is conducive to connecting and fixing the shaft hub 2 and the shaft body 1, and then facilitating the installation of the shaft hub 2, and the bottom end of the nut 3 fits with the shaft hub 2.

[0023] Furthermore, a limiting mechanism 4 for locking the position of the nut 3 is provided on the top of the nut 3, and the limiting mechanism 4 includes a connecting tube 41, a fixed frame 42 and a limiting rod 43. The connecting tube 41 is arranged in an arc shape, and the connecting tube 41 is conducive to the sliding of the limiting rod 43 thereon, which is convenient for sliding support of the limiting rod 43. The fixed frame 42 is conducive to sliding support of the limiting rod 43. The limiting rod 43 is conducive to limiting the relative position of the connecting tube 41 and the shaft body 1, and then it is conducive to limiting the relative position of the nut 3 and the shaft body 1, which is convenient for increasing the stability of the installation of the hub 2. The fixed frame 42 is located on the side of the connecting tube 41, and the limiting rod 43 is slidably arranged on the side of the shaft body 1. The connecting tube 41 is used to support the positions of the fixed frame 42 and the limiting rod 43, and the limiting rod 43 is used to lock the relative position of the nut 3 and the shaft body 1.

[0024] Specifically, the outer wall of the connecting tube 41 is fixedly connected with an assembly plate, and the assembly plate and the mounting bolts are conducive to the installation and disassembly of the connecting tube 41. The top of the assembly plate is threadedly inserted and connected with the mounting bolt, and one end of the mounting bolt is threadedly inserted and connected with the shaft hub 2. A card slot is provided on the outside of the shaft body 1, and the limiting rod 43 is slidably inserted and connected with the inner cavity of the card slot. A first slide groove is provided on the side of the fixing frame 42, and a second slide groove is provided on the outer wall of the connecting tube 41. The limiting rod 43 is slidably inserted and connected with the inner cavities of the first slide groove and the second slide groove. The side of the fixing frame 42 is fixedly connected to the connecting tube 41, and the side fixed connection of the limiting rod 43 is useful The auxiliary plate 412 for driving the limit rod 43 to slide horizontally is conducive to driving the limit rod 43 to move, which is convenient for operating the limit rod 43. The side of the auxiliary plate 412 is fixedly connected with a fixed rod 45, which is conducive to guiding the sliding of the auxiliary plate 412. The outside of the fixed rod 45 is slidably inserted and connected with the side of the inner wall of the fixed frame 42. The side of the limit rod 43 is fixedly connected with an arc plate 44, which is conducive to pulling the limit rod 43 to move, which is convenient for pulling the limit rod 43. The outer wall of the fixed rod 45 is provided with a spring 46 for driving the auxiliary plate 412 to slide horizontally. The elastic force of the spring 46 is conducive to pushing The auxiliary plate 412 is moved to move, so that the auxiliary plate 412 and the limit rod 43 can be restored to their original positions after movement, so that the limit rod 43 can be repeatedly operated. One end of the spring 46 is fixedly connected to the auxiliary plate 412, and the other end of the spring 46 is fixedly connected to the inner wall of the fixed frame 42. The side of the arc plate 44 is fixedly connected with a positioning seat 49, which is conducive to supporting the position of the arc plate 44 and facilitating the position of the arc plate 44. The top of the fixed frame 42 is fixedly connected with a bearing plate 47, which is conducive to the sliding of the positioning rod 48 thereon. The top of the bearing plate 47 is slidably inserted and connected with a locking positioning seat The positioning rod 48 at the position 49 is conducive to limiting the relative position of the supporting plate 47 and the positioning seat 49, and further conducive to limiting the position of the limiting rod 43 after the limiting rod 43 is separated from the shaft body 1. The positioning rod 48 is slidably and interlacedly connected with the inner cavity of the positioning seat 49. The bottom end of the positioning rod 48 is fixedly connected with the first magnet 410. The first magnet 410 and the second magnet 411 are conducive to limiting the position of the positioning rod 48 and avoiding the random sliding of the positioning rod 48. The bottom end of the inner wall of the positioning seat 49 is fixedly connected with the second magnet 411, and the first magnet 410 and the second magnet 411 have opposite magnetic poles.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-spindle rotating spindle hub, comprising: A shaft body (1), wherein the shaft body (1) is sleeved with a shaft hub (2) on its exterior, a nut (3) is inserted and connected through the external thread of the shaft body (1), and the bottom end of the nut (3) is in contact with the shaft hub (2); It is characterized in that a limiting mechanism (4) for locking the position of the nut (3) is provided at the top of the nut (3), and the limiting mechanism (4) comprises: A connecting tube (41), a fixing frame (42) and a limiting rod (43), wherein the fixing frame (42) is located on the side of the connecting tube (41), the limiting rod (43) is slidably arranged on the side of the shaft body (1), the connecting tube (41) is used to support the positions of the fixing frame (42) and the limiting rod (43), and the limiting rod (43) is used to lock the relative position of the nut (3) and the shaft body (1).

2. A multi-spindle rotating main shaft hub according to claim 1, characterized in that: The outer wall of the connecting tube (41) is fixedly connected to an assembly plate, the top end of the assembly plate is threadedly inserted and connected to a mounting bolt, one end of the mounting bolt is threadedly inserted and connected to the shaft hub (2), a slot is provided on the outside of the shaft body (1), and the limit rod (43) is slidably inserted and connected to the inner cavity of the slot.

3. The multi-spindle rotating main shaft hub according to claim 1, characterized in that: A first sliding groove is provided on the side of the fixing frame (42), a second sliding groove is provided on the outer wall of the connecting tube (41), the limiting rod (43) is slidably connected with the inner cavities of the first sliding groove and the second sliding groove, and the side of the fixing frame (42) is fixedly connected with the connecting tube (41).

4. The multi-spindle rotating main hub according to claim 1, characterized in that: The side of the limiting rod (43) is fixedly connected with an auxiliary plate (412) for driving the limiting rod (43) to slide horizontally, the side of the auxiliary plate (412) is fixedly connected with a fixing rod (45), the outside of the fixing rod (45) is slidably connected with the side of the inner wall of the fixing frame (42), and the side of the limiting rod (43) is fixedly connected with an arc plate (44).

5. The multi-spindle rotating main shaft hub according to claim 4, characterized in that: The outer wall of the fixing rod (45) is sleeved with a spring (46) for driving the auxiliary plate (412) to slide horizontally, one end of the spring (46) is fixedly connected to the auxiliary plate (412), and the other end of the spring (46) is fixedly connected to the inner wall of the fixing frame (42).

6. The multi-spindle rotating main hub according to claim 5, characterized in that: The side of the arc plate (44) is fixedly connected with a positioning seat (49), the top of the fixed frame (42) is fixedly connected with a bearing plate (47), the top of the bearing plate (47) is slidably connected with a positioning rod (48) for locking the position of the positioning seat (49), the positioning rod (48) is slidably connected with the inner cavity of the positioning seat (49), the bottom end of the positioning rod (48) is fixedly connected with a first magnet (410), the bottom end of the inner wall of the positioning seat (49) is fixedly connected with a second magnet (411), and the first magnet (410) and the second magnet (411) have opposite magnetic poles.

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