Built-in composite electric spindle

Abstract

The utility model belongs to the technical field of motorized spindles, and particularly relates to a built-in composite motorized spindle which comprises a motorized spindle component, a wiring component and a connecting wire, the motorized spindle component comprises a motorized spindle body, a threading hole and internal threads, the threading hole is formed in the top of the motorized spindle body, and the internal threads are arranged on the inner wall of the threading hole; the wiring component is connected in the threading hole, the wiring component comprises a rotary handle, a conical sleeve, an insertion hole, a contraction gap and an external thread, the connecting wire penetrates out of the threading hole, the wiring component is connected to the connecting wire in a sliding mode, the wiring component is connected in the threading hole through the thread, and during threaded connection, the inner wall of the threading hole extrudes the wiring component, so that the inner wall of the threading hole is prevented from being damaged. And the wiring component is contracted to extrude the connecting wire, so that the connection stability and the sealing performance are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric spindle technical field, concretely is a kind of built-in composite electric spindle. BACKGROUND

[0002] High-speed numerical control machine (CNC) is the technical basis and development direction of equipment manufacturing industry.High-speed numerical control machine tool performance, first depends on the performance of high-speed spindle, numerical control machine tool high-speed electric spindle unit influences the precision, stability and application range of processing system, its dynamic performance and stability play a key role in high-speed machining.

[0003] When controlling and outputting power to the electric spindle, a connecting line is needed to connect. In order to facilitate the electric spindle to pass out, a threading hole is provided, and the connecting line can pass out of the electric spindle through the threading hole. However, there is a gap between the connecting line and the threading hole, and the connecting line is easy to loosen in the threading hole. At the same time, dust is easy to enter the gap. Therefore, the present application provides a built-in composite electric spindle. SUMMARY

[0004] The purpose of this section is to outline some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the title of the utility model in order to avoid obscuring the purpose of this section, the abstract of the specification and the title of the utility model. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or the problems existing in the prior art, the present application is proposed.

[0006] Therefore, the purpose of the present application is to provide a built-in composite electric spindle. The connecting line passes out of the threading hole, the wiring component is slidingly connected to the connecting line, the wiring component is connected in the threading hole, and the threading hole is connected by screw thread. When the screw thread is connected, the inner wall of the threading hole extrudes the wiring component, so that the wiring component is shrunk and tightly connected to the connecting line, thereby ensuring the stability and sealing of the connection.

[0007] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:

[0008] A built-in composite electric spindle comprises:

[0009] The electric spindle component comprises an electric spindle body, a threading hole and an internal thread. The threading hole is provided in the top of the electric spindle body, and the internal thread is provided on the inner wall of the threading hole.

[0010] The connecting wire is connected with the threading hole and the main body of the electric spindle through the insertion hole.

[0011] The connecting wire is connected with the threading hole and the main body of the electric spindle through the insertion hole.

[0012] As a preferred scheme of the utility model discloses a kind of built-in composite electric spindle, wherein: the outer diameter of the lower end of the conical sleeve is less than the outer diameter of the upper end, the conical sleeve uses elastic sleeve.

[0013] As a preferred scheme of the utility model discloses a kind of built-in composite electric spindle, wherein: the conical sleeve is contracted to the center of insertion hole through shrinkage gap in the connection state of the conical sleeve and the threading hole.

[0014] As a preferred scheme of the utility model discloses a kind of built-in composite electric spindle, wherein: the outer wall of the handle is provided with evenly distributed anti-skid ribs, and the outer wall of the anti-skid rib is provided with a frosted layer.

[0015] As a preferred scheme of the utility model discloses a kind of built-in composite electric spindle, wherein: the inner wall of the insertion hole is provided with a soft film.

[0016] As a preferred scheme of the utility model discloses a kind of built-in composite electric spindle, wherein: the handle and the conical sleeve are integrated rubber or plastic parts.

[0017] As a preferred scheme of the utility model discloses a kind of built-in composite electric spindle, wherein: when the connecting wire is inserted into the insertion hole, the soft film is filled in the gap between the connecting wire and the insertion hole.

[0018] Compared with prior art: the utility model sets up internal thread in the threading hole of the main body of electric spindle, connecting wire is threaded out from threading hole, and connecting wire component is slidably connected on connecting wire, connecting wire component is connected in threading hole, and is connected through thread, when thread is connected, the inner wall of threading hole extrudes connecting wire component, so that connecting wire component is contracted and extruded connecting wire, and the stability and sealing property of connection are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the utility model will be described in detail below in combination with drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings. Wherein:

[0020] Figure 1The utility model discloses a shaft side structure schematic diagram.

[0021] Figure 2 The utility model discloses an electric spindle component structure schematic diagram.

[0022] Figure 3 The utility model discloses a wiring component structure schematic diagram.

[0023] Figure 4 The utility model discloses a wiring component internal structure schematic diagram.

[0024] In the drawing: 100 electric spindle component, 110 electric spindle main body, 120 threading hole, 130 internal thread, 200 wiring component, 210 handle, 220 conical sleeve, 230 jack, 240 shrinkage gap, 250 external thread, 260 anti -skid ridge, 270 soft film, 300 connecting wire. Specific implementation

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below with the drawings.

[0026] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific implementation.

[0027] Secondly, the utility model is described in detail in combination with the schematic diagram, and when detailing the implementation of the utility model, for the convenience of explanation, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model here. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0028] In order to make the purpose, technical scheme and advantage of the utility model more clear, the implementation of the utility model will be described in further detail below in combination with the drawings.

[0029] The utility model provides a kind of built-in composite electric spindle, connecting wire is threaded from threading hole, wiring component is slidably connected on connecting wire, wiring component is connected in threading hole, is connected by thread, when thread connection, threading hole inner wall extrudes wiring component, makes wiring component shrink extrusion connecting wire, guarantees connection stability and sealing property, please refer to Figures 1-4 , comprising: electric spindle component 100, wiring component 200 and connecting wire 300.

[0030] The electric spindle component 100 comprises an electric spindle body 110, a threading hole 120 and an internal thread 130, the threading hole 120 is arranged at the top of the electric spindle body 110, and the internal thread 130 is arranged on the inner wall of the threading hole 120;

[0031] The threading hole 120 is a round hole for connecting the electric spindle body 110, and the internal thread 130 is arranged on the inner wall of the threading hole 120.

[0032] The connecting component 200 is connected in the threading hole 120, and the connecting component 200 comprises a handle 210, a tapered sleeve 220, a plug hole 230, a shrink gap 240 and an external thread 250, the tapered sleeve 220 is arranged at the bottom of the handle 210, the plug hole 230 is arranged at the center of the handle 210 and the tapered sleeve 220, the shrink gap 240 is arranged on the circumference of the tapered sleeve 220, and the external thread 250 is arranged on the outside of the tapered sleeve 220.

[0033] The lower end of the tapered sleeve 220 has a smaller outer diameter than the upper end, the tapered sleeve 220 is an elastic sleeve, the handle 210 and the tapered sleeve 220 are an integral rubber or plastic part, the tapered sleeve 220 is inserted into the threading hole 120, the tapered sleeve 220 is rotated by the handle 210, and the tapered sleeve 220 is driven into the threading hole 120 by the external thread 250 and the internal thread 130, and in the process of rotating in, the inner wall of the threading hole 120 continuously extrudes the tapered sleeve 220, so that the tapered sleeve 220 is shrunk to the center of the plug hole 230.

[0034] The connecting line 300 is connected with the electric spindle body 110 through the plug hole 230 and the threading hole 120.

[0035] The handle 210 needs to be rotated, and the outside of the handle 210 is smooth, so that the rotation operation is easy to slip, therefore, the anti-skid convex ribs 260 are arranged on the outer wall of the handle 210, the outer wall of the anti-skid convex ribs 260 is provided with an abrasive layer, so as to improve the anti-skid effect and facilitate the rotation operation.

[0036] The connecting line 300 is inserted into the plug hole 230, and a gap is left between the connecting line 300 and the plug hole 230, which affects the sealing, therefore, the soft film 270 is arranged on the inner wall of the plug hole 230, when the connecting line 300 is inserted into the plug hole 230, the soft film 270 is filled in the gap between the connecting line 300 and the plug hole 230, so as to improve the sealing effect.

[0037] In the specific use, the connecting line 300 is led out from the inside of the electric spindle body 110 by the threading hole 120, the handle 210 and the conical sleeve 220 are sleeved on the connecting line 300 through the insertion hole 230, the conical sleeve 220 is inserted into the threading hole 120, the conical sleeve 220 is made to enter the threading hole 120 under the action of the external thread 250 and the internal thread 130 by rotating the conical sleeve 220 through the handle 210, in the process of screwing in, the inner wall of the threading hole 120 continuously extrudes the conical sleeve 220, the conical sleeve 220 is contracted to the center of the insertion hole 230, the connecting line 300 is fixed in the threading hole 120, at the same time, the wire connecting part 200 seals the gap, and dust falling is avoided.

[0038] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An in-line composite electrospindle, characterized by, The utility model relates to a kind of electric spindle components (100), including electric spindle body (110), threading hole (120) and internal thread (130), the electric spindle body (110) top is opened threading hole (120), and the internal thread (130) is arranged in the inner wall of threading hole (120);Wiring component (200) is connected in the threading hole (120), and the wiring component (200) includes knob (210), conical sleeve (220), jack (230), shrinkage gap (240) and external thread (250), the conical sleeve (220) is arranged in the bottom of knob (210), and the jack (230) is arranged in the center of knob (210) with conical sleeve (220), and the shrinkage gap (240) is opened in the circumference of conical sleeve (220), and the external thread (250) is arranged outside conical sleeve (220);Connecting wire (300) is connected with electric spindle body (110) by the jack (230) with threading hole (120). The lower end outer diameter of the conical sleeve (220) is less than the upper end outer diameter, and the conical sleeve (220) is an elastic sleeve. When the conical sleeve (220) is connected with the threading hole (120), the conical sleeve (220) is contracted to the center of the jack (230) through the shrinkage gap (240). The outer wall of the knob (210) is provided with evenly distributed anti-skid ribs (260), and the outer wall of the anti-skid ribs (260) is provided with a frosted layer.

2. An in-line composite electrospindle according to claim 1, characterized in that, The inner wall of the jack (230) is provided with a soft film (270).

3. An in-line composite electrospindle according to claim 2, characterized in that, The knob (210) and the conical sleeve (220) are an integral rubber or plastic part.

4. The in-line composite electrospindle according to claim 1, characterized in that, When the connecting wire (300) is inserted into the jack (230), the soft film (270) is filled in the gap between the connecting wire (300) and the jack (230).

5. The in-line composite electrospindle according to claim 1, characterized in that, ​ 6. The in-line composite electrospindle according to claim 1, characterized in that, ​ 7. An in-line composite electrospindle according to claim 5, characterized in that, ​

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