Mechanism for processing seam allowance of servo motor

Abstract

The utility model relates to a mechanism for processing a seam allowance of a servo motor, and relates to the technical field of mechanical tools. The locking sleeve is fixedly arranged in the servo motor rotor; the positioning assembly is used for positioning the servo motor stator and the locking sleeve, the positioning assembly comprises a core shaft and a Morse taper shank, the core shaft is arranged in the servo motor stator in a penetrating mode, and the Morse taper shank is fixedly installed at one end of the core shaft; and the extrusion assembly is used for carrying out deformation treatment on the locking sleeve so as to achieve the effect of tensioning the servo motor stator, and the extrusion assembly is arranged at the other end of the mandrel. According to the utility model, the principle of self-tensioning compensation and elastic deformation is adopted, the target of processing the motor seam allowance by taking the stator punching sheet as a reference is realized, the high concentricity of the motor stator seam allowance, the main shaft and the motor stator is ensured under the matching of the positioning assembly and the extrusion assembly, the concentricity of the motor stator and the matching end cover is improved, and the motor performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical tool technical field especially a mechanism for servo motor stop mouth processing. BACKGROUND

[0002] The servo motor stator assembly and the shell usually adopt interference fit, and the friction force generated by the interference fit is used to resist the reaction force when the motor operates, so as to ensure that the stator assembly and the shell do not slide relatively when the motor is heated and overloaded. In order to facilitate installation, the conventional method is generally two schemes: the first scheme is to heat and deform the finely processed motor shell, and the stator assembly is installed into the shell by using thermal expansion, and the second scheme is to install the stator assembly into the shell by using press fitting. Regardless of which scheme, after the installation is completed, the motor stop will be deformed due to the deformation of the metal, thereby causing the perpendicularity and coaxiality deviation of the shell stop and the stator assembly to be large. Based on the above defects and shortcomings, the utility model provides a mechanism for servo motor stop processing, which processes the motor stop based on the center of the stator after the assembly of the motor stator assembly and the shell is completed, thereby improving the perpendicularity and coaxiality of the shell stop and the stator assembly. SUMMARY

[0003] In view of the technical problem in the prior art that when used at uneven positions on the ground, the workbench is also in an inclined state, so that the maintenance personnel are not easy to maintain balance, and there is a safety hazard when used, the utility model provides a mechanism for servo motor stop processing.

[0004] The technical scheme adopted by the utility model is as follows: a mechanism for servo motor stop processing, comprising:

[0005] A servo motor stator;

[0006] A locking sleeve fixedly arranged in the servo motor rotor;

[0007] A positioning assembly for positioning the servo motor stator and the locking sleeve, the positioning assembly comprising a mandrel and a Morse taper shank, the mandrel being arranged in the servo motor stator, and the Morse taper shank being fixedly installed at one end of the mandrel;

[0008] An extrusion assembly for deforming the locking sleeve to achieve the effect of tightening the servo motor stator, the extrusion assembly being arranged at the other end of the mandrel.

[0009] Further, the extrusion assembly comprises a taper ring, a pressing sleeve and a pressing nut, the taper ring, the pressing sleeve and the pressing nut being arranged in sequence and being sleeved on the mandrel, the taper ring sleeve being arranged in the servo motor stator and the taper ring being arranged at one end of the locking sleeve, and the pressing nut being arranged on the outside of the servo motor stator.

[0010] Further, the locking sleeve is internally provided with a retraction groove with a diameter decreasing from outside to inside, and the taper ring is located inside the end of the retraction groove.

[0011] Further, the spring 4 is arranged in the gap between the locking sleeve 3 and the mandrel 2.

[0012] Further, the Morse taper shank is a standard Morse taper shank.

[0013] Further, the mandrel is a stepped shaft structure, which comprises a stepped shaft large end, a stepped shaft middle part and a stepped shaft small end welded in sequence, the stepped shaft large end is provided with a taper hole corresponding to the Morse taper shank for connecting with the Morse taper shank, the stepped shaft middle part has an outer diameter consistent with the inner diameter of the locking sleeve and forms a slight gap fit, and the stepped shaft small end is provided with a thread for mounting the compression nut.

[0014] Further, the taper ring is a cylindrical body with an outer circle and a taper, the inner diameter of the taper ring is matched with the outer diameter of the mandrel, and the outer diameter taper of the taper ring is matched with the inner taper of the locking sleeve.

[0015] The utility model discloses the beneficial effect is:

[0016] The utility model discloses the principle of self-tightening compensation and elastic deformation is adopted, realizes the target of machining motor stop with stator lamination as reference, guarantees the concentricity of motor stator stop, main shaft and motor stator under the cooperation of positioning assembly and extruding assembly, improves the concentricity of motor stator and cooperation end cover, and the motor performance is promoted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the sectional structure view of the utility model,

[0018] Figure 2 It is the perspective view of the utility model.

[0019] Marked as in drawing: 1, Morse taper shank, 2, mandrel, 3, locking sleeve, 4, spring, 5, taper ring, 6, compression sleeve, 7, compression nut, 8, servo motor stator. DETAILED DESCRIPTION

[0020] In the description of the utility model, it needs to explain, the term "front", "upper", "lower", "left", "right", "vertical", "horizontal" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation of the utility model.

[0021] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be directly connected, also can be indirectly connected through the intermediate medium, can be the intercommunication of two elements inside. For ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0022] The utility model is described below in combination with the accompanying drawings Figure 1 And Figure 2 The utility model is further described.

[0023] In order to solve the problems in the background art, the application proposes the following technical scheme: a mechanism for servo motor necking processing, including servo motor stator 8, locking sleeve 3, positioning assembly and extrusion assembly, locking sleeve 3 is the material with elastic deformability.

[0024] In the specific technical scheme, locking sleeve 3 is fixedly arranged in the servo motor rotor.

[0025] In the specific technical scheme, the positioning assembly is used to position servo motor stator 8 and locking sleeve 3, the positioning assembly includes mandrel 2 and Morse taper handle 1, mandrel 2 is arranged in servo motor stator 8, Morse taper handle 1 is fixedly installed at one end of mandrel 2, Morse taper handle 1 is a standard taper handle, mandrel 2 is a stepped shaft structure, the stepped shaft large end is provided with a taper hole corresponding to Morse taper handle 1 for connecting with Morse taper handle 1, and the stepped shaft middle part outer diameter is consistent with the locking sleeve 3 inner diameter and forms a slight clearance fit.

[0026] In the specific technical scheme, the extrusion assembly is used to deform locking sleeve 3 to achieve the effect of tensioning servo motor stator 8, the extrusion assembly is arranged at the other end of mandrel 2, the extrusion assembly includes taper ring 5, compression sleeve 6 and compression nut 7, taper ring 5, compression sleeve 6 and compression nut 7 are sequentially arranged and are all sleeved on mandrel 2, taper ring 5 is sleeved in servo motor stator 8 and taper ring 5 is arranged at one end of locking sleeve 3, compression nut 7 is arranged on the outside of servo motor stator 8, the position of taper ring 5 can be controlled by compression nut 7 to complete the compression operation, the diameter of the small end of mandrel 2 is consistent with the inner diameter of compression sleeve 6 and forms a slight clearance fit, and a thread is arranged at the small end for installing compression nut 7.

[0027] Further, the locking sleeve 3 is provided with an inner shrinkage groove with a diameter decreasing from outside to inside, and the taper ring 5 is located inside the end of the inner shrinkage groove, so that the taper ring 5 can be controlled to move along the inner shrinkage groove by the extrusion assembly, so that the locking sleeve 3 can be deformed and tightened in the servo motor rotor, and the taper ring 5 is a cylindrical body with an outer circle taper, and the inner diameter of the taper ring 5 matches the outer diameter of the mandrel, and the outer diameter taper of the taper ring 5 matches the inner taper of the locking sleeve 3.

[0028] Further, the spring 4 is arranged between the mandrel 2 and the taper ring 5, and the spring 4 can better limit the extrusion assembly.

[0029] In order for those skilled in the art to fully understand the technical solutions, the present application is made as follows:

[0030] In use, the Morse taper shank 1, the locking sleeve 3 and the mandrel 2 are welded to form a whole, then the spring 4 is placed in the gap between the locking sleeve 3 and the mandrel 2, the taper ring 5 is pushed into the tapered surface of the locking sleeve 3, the compression sleeve 6 is pressed against the outside of the taper ring 5, then the compression nut 7 is installed at the outer thread of the mandrel 2, the servo motor stator 8 is placed outside the locking sleeve 3, the step shaft of the locking sleeve 3 is used to resist the axial displacement of the motor stator 8 and ensure the concentricity of the motor stator 8 and the mandrel 2, and finally the compression nut 7 is rotated, the taper ring 5 is pushed to move towards the Morse taper shank 1 by the compression sleeve 6, so that the locking sleeve 3 is deformed in the radial direction and is tightened around the motor stator 8.

[0031] The servo motor stator 8 after being tightened and the Morse taper shank 1, the mandrel 2, the locking sleeve 3, the spring 4, the taper ring 5, the compression sleeve 6 and the compression nut 7 are installed on the machine tool spindle by the Morse taper shank 1, so as to ensure the concentricity of the machine tool spindle and the servo motor stator 8, when the both-end stop of the motor stator 8 is machined, the compression nut 7 is loosened, the taper ring 5 and the compression sleeve 6 move towards the outer thread of the mandrel 2 under the elastic force of the spring 4, so that the taper ring 5 is separated from the locking sleeve 3, the locking sleeve 3 is radially recovered under the action of material elastic deformation, and a gap is formed between the locking sleeve 3 and the motor stator 8, so that the motor stator 8 can axially move, and the motor stator 8 is convenient to disassemble.

[0032] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.

[0033] Although the embodiments of the present application have been shown and described, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanism for machining the stop edge of a servo motor, characterized in that, include: Servo motor stator (8); Locking sleeve (3), the locking sleeve (3) is fixedly installed inside the rotor of the servo motor; A positioning assembly for positioning the servo motor stator (8) and the locking sleeve (3), the positioning assembly including a spindle (2) and a Morse taper shank (1), the spindle (2) passing through the servo motor stator (8), and the Morse taper shank (1) being fixedly installed at one end of the spindle (2); An extrusion assembly is used to deform the locking sleeve (3) to achieve the effect of tensioning the servo motor stator (8), and the extrusion assembly is located at the other end of the mandrel (2).

2. The mechanism for machining the stop edge of a servo motor according to claim 1, characterized in that, The extrusion assembly includes a conical ring (5), a clamping sleeve (6), and a clamping nut (7). The conical ring (5), the clamping sleeve (6), and the clamping nut (7) are arranged in sequence and are all sleeved on the mandrel (2). The conical ring (5) is sleeved inside the servo motor stator (8) and is located at one end of the locking sleeve (3). The clamping nut (7) is located outside the servo motor stator (8).

3. The mechanism for machining the stop of a servo motor according to claim 2, characterized in that, The locking sleeve (3) is provided with an inner groove whose diameter decreases from the outside to the inside, and the conical ring (5) is located inside the end of the inner groove.

4. The mechanism for machining the stop of a servo motor according to claim 3, characterized in that, A spring (4) is provided between the mandrel (2) and the conical ring (5).

5. The mechanism for machining the stop of a servo motor according to claim 1, characterized in that, The Mohs taper shank (1) is a standard taper shank.

6. The mechanism for machining the stop of a servo motor according to claim 4, characterized in that, The mandrel (2) is a stepped shaft structure, which includes a stepped shaft large end, a stepped shaft middle part and a stepped shaft small end welded in sequence. The stepped shaft large end has a tapered hole corresponding to the Morse taper shank (1) for connection with the Morse taper shank (1). The outer diameter of the stepped shaft middle part is consistent with the inner diameter of the locking sleeve (3) and forms a slight clearance fit. The stepped shaft small end has a thread for installing a clamping nut (7).

7. The mechanism for machining the stop of a servo motor according to claim 4, characterized in that, The conical ring (5) is a cylinder with a tapered outer diameter, and its inner diameter matches the outer diameter of the mandrel. The outer diameter taper of the conical ring (5) matches the inner taper of the locking sleeve (3).

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