Positioning structure for heavy motor spindle machining

Abstract

The utility model discloses a positioning structure for heavy motor spindle processing, which comprises a bottom plate, a support plate is arranged at the center of the upper end of the bottom plate, three mounting rods are arranged on the outer side of the upper end of the bottom plate, and an adjusting and positioning structure is mounted at the upper ends of the three mounting rods; the adjusting and positioning structure comprises a top plate, an electric push rod, an auxiliary plate, a fixing shaft, three guide rods, a mounting shaft, a plurality of mounting grooves, two fixing nuts and four positioning assemblies. The utility model relates to the technical field of motor machining, in particular to an adjusting and positioning structure, when the end face of a motor spindle is machined, the motor spindle is installed through an arranged supporting plate, and then a positioning assembly is installed through installation grooves in different positions and in different numbers according to different end face machining requirements. The positioning assembly is pushed by the electric push rod to move downwards, and the end face of the motor spindle is accurately positioned, so that subsequent machining of an end face hole position of the spindle is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of motor processing, in particular to a positioning structure for processing a heavy motor spindle. Background Art

[0002] The motor spindle is an important component of motor products. Its processing accuracy and quality directly affect the overall quality and service life of the motor. The existing motor spindle end face hole processing is usually carried out by manual operation using an ordinary drilling machine, which requires manual measurement for positioning. It has the defects of low efficiency, poor stability, low processing accuracy and high scrap rate. At the same time, manual operation increases the labor intensity and labor cost of workers. In view of this, there may be technical means to solve the above problems in the existing technology, but this case wants to provide an alternative or replacement technical solution. Utility Model Content

[0003] To achieve the above objectives, the present invention is implemented through the following technical solutions: A positioning structure for heavy-duty motor spindle processing, comprising a base plate, a support plate provided at the center of the upper end of the base plate, three mounting rods provided on the outer side of the upper end of the base plate, and an adjustment positioning structure installed on the upper ends of the three mounting rods;

[0004] The adjustment and positioning structure includes: a top plate, an electric push rod, an auxiliary plate, a fixed shaft, three guide rods, a mounting shaft, a plurality of mounting slots, two fixing nuts and four positioning components;

[0005] The top plate is fixedly mounted on the upper ends of the three mounting rods, the electric push rod is fixedly mounted at the center of the lower end of the top plate, the auxiliary plate is fixedly sleeved on the upper ends of the three mounting rods, and is sleeved on the upper ends of the electric push rods, the fixed shaft is fixedly mounted on the telescopic end of the electric push rod, one end of the three guide rods are mounted on the outside of the fixed shaft, and the other end is movably sleeved on the upper ends of the three mounting rods, the top end of the mounting shaft is connected to the lower end of the fixed shaft, several mounting grooves are opened at the outer wall of the lower end of the mounting shaft, two fixing nuts are movably sleeved on the lower end of the mounting shaft, and four positioning assemblies are movably embedded in four of the mounting grooves, and are all located between two fixing nuts.

[0006] Preferably, the four positioning assemblies each include: a positioning rod, a positioning slot, a mounting block, a positioning pin, and a positioning bolt;

[0007] One end of the positioning rod is movably embedded in the mounting groove. The positioning groove is opened at the upper end of the positioning rod and passes through the upper and lower walls and one side wall of the positioning rod. The mounting block is movably embedded in the positioning groove. The positioning pin is installed at the lower end of the mounting block. The positioning bolt and one end pass through one side of the positioning groove and are embedded in one side wall of the mounting block.

[0008] Preferably, an external thread is processed on the outer wall of the lower end of the installation shaft.

[0009] Preferably, the number of the plurality of installation slots increases sequentially from bottom to top.

[0010] Preferably, connection reinforcement ribs are provided at the connections between the three mounting rods and the base plate.

[0011] Beneficial effects

[0012] The utility model provides a positioning structure for heavy-duty motor spindle processing, which has the following beneficial effects: the adjustable positioning structure adopted in this case, when the end face of the motor spindle is processed, the motor spindle is installed through the set support plate, and then the positioning component is installed through different positions and numbers of mounting slots according to different end face processing requirements, and the positioning component is pushed downward by the electric push rod to perform precise positioning operations on the end face of the motor spindle, so as to facilitate subsequent processing of the end face surface position of the spindle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main three-dimensional structure of a positioning structure for processing a heavy-duty motor spindle according to the present invention.

[0014] Figure 2 The utility model is a bottom-up stereoscopic structural schematic diagram of a positioning structure for processing a heavy-duty motor spindle.

[0015] Figure 3 This is a partial front view schematic diagram of a positioning structure for processing a heavy-duty motor spindle described in the present invention.

[0016] In the figure: 1. Base plate, 2. Support plate, 3. Mounting rod, 4. Top plate, 5. Electric push rod, 6. Auxiliary plate, 7. Fixed shaft, 8. Guide rod, 9. Mounting shaft, 10. Mounting slot, 11. Fixing nut, 12. Positioning rod, 13. Positioning slot, 14. Mounting block, 15. Positioning pin, 16. Positioning bolt, 17. Connecting reinforcement rib. DETAILED DESCRIPTION

[0017] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0018] Example: See Figure 1-3 A positioning structure for heavy-duty motor spindle processing includes a base plate 1, a support plate 2 is provided at the center of the upper end of the base plate 1, three mounting rods 3 are provided on the outer side of the upper end of the base plate 1, and an adjustment positioning structure is installed on the upper ends of the three mounting rods 3;

[0019] The adjustment and positioning structure includes: a top plate 4, an electric push rod 5, an auxiliary plate 6, a fixed shaft 7, three guide rods 8, a mounting shaft 9, a plurality of mounting slots 10, two fixing nuts 11 and four positioning components;

[0020] The top plate 4 is fixedly mounted on the upper ends of the three mounting rods 3, the electric push rod 5 is fixedly mounted at the center of the lower end of the top plate 4, the auxiliary plate 6 is fixedly sleeved on the upper ends of the three mounting rods 3, and is sleeved on the upper ends of the electric push rod 5, the fixed shaft 7 is fixedly mounted on the telescopic end of the electric push rod 5, one end of the three guide rods 8 are all mounted on the outside of the fixed shaft 7, and the other ends are movably sleeved on the upper ends of the three mounting rods 3, the top end of the mounting shaft 9 is connected to the lower end of the fixed shaft 7, a number of mounting grooves 10 are all opened at the outer wall of the lower end of the mounting shaft 9, two fixing nuts 11 are movably sleeved on the lower end of the mounting shaft 9, and the four positioning components are respectively movably embedded in four of the mounting grooves 10, and are all located between the two fixing nuts 11.

[0021] When processing the end surface position of the motor spindle, the staff first moves the device to the specified position, supports the device as a whole through the provided bottom plate 1, and then connects the electric push rod 5 at the lower end of the top plate 4 to the power supply. Then, according to the end surface processing and positioning requirements of the motor spindle, a specified number of positioning components are embedded in the specified mounting groove 10, and the specified number of positioning components are fixed to the upper end of the mounting shaft 9 by screwing the two fixing nuts 11. Then, the electric push rod 5 in the top plate 4 and the auxiliary plate 6 is driven, and the fixed shaft 7 is pushed downward by the electric push rod 5. The three guide rods 8 provided on the outside of the fixed shaft 7 are used to ensure the overall movement stability of the fixed shaft 7 until the specified number of positioning components on the upper end of the mounting shaft 9 contacts the end surface of the motor spindle, and the end surface is marked and positioned to complete the processing and positioning operation of the motor spindle. The several mounting grooves 10 on the upper end of the mounting shaft 9 can be divided into six groups. The number of mounting grooves 10 in the bottom group is three, and the number of mounting grooves 10 at the upper end increases by one. Up to eight holes can be supported for positioning operations at the same time.

[0022] In the specific implementation process, the four positioning components each include: a positioning rod 12, a positioning slot 13, a mounting block 14, a positioning pin 15 and a positioning bolt 16;

[0023] One end of the positioning rod 12 is movably embedded in the mounting groove 10, the positioning groove 13 is opened at the upper end of the positioning rod 12, and passes through the upper and lower walls and one side wall of the positioning rod 12, the mounting block 14 is movably embedded in the positioning groove 13, the positioning pin 15 is installed at the lower end of the mounting block 14, and the positioning bolt 16 and one end pass through one side of the positioning groove 13 and are embedded in the wall of one side of the mounting block 14.

[0024] When processing and positioning the end faces of motor spindles of different specifications, the staff first moves the mounting block 14 to the specified position in the positioning groove 13 according to the end face processing requirements, and fixes the mounting block 14 to the specified position in the positioning rod 12 through the positioning bolt 16, so as to realize the processing and positioning of the end faces of motor spindles of different specifications. Then, the positioning rod 12 is embedded in the specified mounting groove 10, and the two fixing nuts 11 are screwed so that the two fixing nuts 11 are respectively located at the upper and lower ends of the positioning rod 12, and the positioning rod 12 is fixed. The positioning pin 15 at the lower end of the mounting block 14 contacts the end face of the motor spindle, and the end face is marked and positioned.

[0025] In the specific implementation process, the outer wall of the lower end of the installation shaft 9 is processed with an external thread.

[0026] In a specific implementation process, the number of the plurality of installation slots 10 increases sequentially from bottom to top.

[0027] In the specific implementation process, connection reinforcement ribs 17 are provided at the connection points between the three mounting rods 3 and the base plate 1 .

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning structure for machining a heavy motor spindle, comprising a base plate (1), characterized in that: A support plate (2) is provided at the center of the upper end of the base plate (1), three mounting rods (3) are provided on the outer side of the upper end of the base plate (1), and an adjustment positioning structure is installed on the upper ends of the three mounting rods (3); The adjustment and positioning structure comprises: a top plate (4), an electric push rod (5), an auxiliary plate (6), a fixed shaft (7), three guide rods (8), a mounting shaft (9), a plurality of mounting slots (10), two fixing nuts (11) and four positioning components; The top plate (4) is fixedly mounted on the upper ends of the three mounting rods (3), the electric push rod (5) is fixedly mounted at the center of the lower end of the top plate (4), the auxiliary plate (6) is fixedly sleeved on the upper ends of the three mounting rods (3), and is sleeved on the upper ends of the electric push rods (5), the fixed shaft (7) is fixedly mounted on the telescopic end of the electric push rod (5), one end of the three guide rods (8) are all mounted on the outside of the fixed shaft (7), and the other end is movably sleeved on the upper ends of the three mounting rods (3), the top end of the mounting shaft (9) is connected to the lower end of the fixed shaft (7), a plurality of mounting grooves (10) are all opened on the outer wall of the lower end of the mounting shaft (9), two fixing nuts (11) are movably sleeved on the lower end of the mounting shaft (9), and four positioning components are movably embedded in four of the mounting grooves (10) and are all located between the two fixing nuts (11).

2. A positioning structure for heavy motor spindle processing according to claim 1, characterized in that: The four positioning assemblies each include: a positioning rod (12), a positioning slot (13), a mounting block (14), a positioning pin (15) and a positioning bolt (16); One end of the positioning rod (12) is movably embedded in the installation groove (10), the positioning groove (13) is opened at the upper end of the positioning rod (12) and passes through the upper and lower wall surfaces and one side wall surface of the positioning rod (12), the installation block (14) is movably embedded in the positioning groove (13), the positioning pin (15) is installed at the lower end of the installation block (14), and the positioning bolt (16) and one end pass through one side of the positioning groove (13) and are embedded in one side wall surface of the installation block (14).

3. A positioning structure for heavy motor spindle processing according to claim 1, characterized in that: An external thread is processed on the outer wall of the lower end of the installation shaft (9).

4. The positioning structure for heavy motor spindle processing according to claim 1, characterized in that: The number of the plurality of mounting slots (10) increases sequentially from bottom to top.

5. The positioning structure for heavy motor spindle processing according to claim 1, characterized in that: Connecting reinforcement ribs (17) are provided at the connection points between the three mounting rods (3) and the base plate (1).

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