Turning device for precision machining of motor shaft

Abstract

The invention relates to the technical field of motor machining devices, and provides a turning device for precision machining of a motor shaft, which comprises a machine body, a machine head is fixed on one side of the top end of the machine body, a triangular grabbing disc is rotatably connected to one side of the machine head, a driving motor is fixed on the other side of the machine head, and a shaft body is clamped and fixed at one end of the triangular grabbing disc. And a limiting structure is arranged on one side of the shaft body. By arranging a limiting structure, a second handle is rotated, the second handle can drive a third threaded rod to rotate, a clamping base drives limiting claws to move to one side of a shaft body, universal balls abut against the outer side wall of the shaft body, the limiting claws on the two sides of the limiting base are located on the two sides of a tool bit, and the universal balls are located on the two sides of a cutting position through the third threaded rod; and meanwhile, the universal ball and the tool bit are extruded on the outer side of the shaft body in a triangular shape, the shaft body is prevented from shaking in the cutting process, and therefore the precision of the device in the cutting process is improved.

Description

Technical Field

[0001] The invention relates to the technical field of motor processing devices, and in particular to a turning device for precision processing of a motor shaft. Background Art

[0002] In modern industrial production, motors are used as core power components in various fields. The motor shaft is a key component of the motor. Its machining accuracy and quality directly affect the performance and service life of the motor. Therefore, a turning device for precision machining of the motor shaft is used. To this end, the patent with authorization announcement number CN118321582B discloses a turning device for motor shaft processing, which relates to the field of motor production and processing, including a base, and a side wall support mechanism, a turning mechanism and a turning moving mechanism arranged on the base, wherein the turning moving mechanism is arranged on the upper surface of the base, the turning mechanism is arranged on the turning moving mechanism, and the turning moving mechanism is used to drive the turning mechanism to move linearly for cutting. The turning device for motor shaft processing of the present invention supports the other side of the motor shaft by adding a side wall support mechanism on the opposite side of the cutter head to offset the lateral force of the cutter head, so that the motor shaft will not be squeezed and bent during the turning process, thereby making the turning feed amount of the motor shaft always balanced during the turning process, and the motor shaft is supported and fixed during the turning process by the side wall support mechanism, reducing the turning vibration between the cutter head and the motor shaft, so that the motor shaft can be turned more smoothly; During the cutting process of the above-mentioned turning device for motor shaft processing, the cutting part of the cutter head will make the surface of the motor shaft appear stepped. The universal ball will bend when squeezed at the step, and the end of the motor shaft away from the supporting mechanism will shake during the rotation. The side wall support mechanism can only provide auxiliary support to one side of the motor shaft. During the cutting process, the motor shaft will still jump up and down, affecting the cutting accuracy and surface flatness, making it less suitable for use. Summary of the invention

[0003] The purpose of the present invention is to provide a turning device for precision machining of a motor shaft, so as to solve the defect of low machining accuracy of the existing turning devices for machining motor shafts.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: A turning device for precision machining of a motor shaft, comprising a body; A machine head is fixed on one side of the top of the machine body, a triangular gripping plate is rotatably connected to one side of the machine head, a driving motor is fixed to the other side of the machine head, a shaft body is clamped and fixed on one end of the triangular gripping plate, a limiting structure is provided on one side of the shaft body, the limiting structure includes a limiting seat provided on one side of the shaft body, third threaded rods are penetrated on both sides of the limiting seat, one end of the third threaded rod close to the shaft body is rotatably connected to a clamping seat, one end of the clamping seat is provided with a limiting claw, and the inner walls of both sides of the limiting claw close to one end of the shaft body are inlaid with universal balls; A fixing structure is fixedly installed on one end of the top shaft of the machine body away from the triangular grabbing plate, and the fixing structure includes a second connecting seat fixed to one side of the top of the machine body, a fixing plate is fixed to the top of the second connecting seat, an electric push rod is fixed to one side of the fixing plate, a second fixing seat is fixed to one end of the electric push rod, and a cone head is provided on one side of the top of the second fixing seat.

[0005] Preferably, a chip collecting groove is provided at the top of the machine body, a material dropping groove is provided at the end of the machine body away from the machine head, a collecting box is provided on the inner side of the machine body below the material dropping groove, and the output end of the driving motor extends to the inside of the machine head and is fixedly connected to one end of the triangular grabbing plate.

[0006] Preferably, a movable structure is fixed on one side of the top of the body, and the movable structure includes a first movable seat arranged on one side of the top of the body, a first threaded rod passes through the interior of the first movable seat, support rods pass through both sides of the first threaded rod inside the first movable seat, first fixed seats are fixed at both ends of the support rods, and a servo motor is fixedly installed on one side of the first fixed seat.

[0007] Preferably, one side of the first fixed seat is fixedly connected to one side of the top of the machine body, the output end of the servo motor passes through the first fixed seat and is fixedly connected to one end of the first threaded rod, the first movable seat and the first threaded rod are threadedly connected, the first movable seat and the support rod are slidably connected, and one end of the first threaded rod is rotatably connected to the first fixed seat.

[0008] Preferably, a cutting structure is fixed to the top of the first movable seat, and the cutting structure includes a first connecting seat fixed to the top of the first movable seat, a supporting seat is fixed to the side of the first connecting seat close to the machine body, a second movable seat is arranged on the top of the supporting seat, a first sliding groove is opened at the middle position of the top of the supporting seat, a sliding block is arranged inside the first sliding groove, a knife seat is rotatably connected to the top of the second movable seat, a universal bamboo tube is fixed to one side of the supporting seat, a second threaded rod is rotatably connected to one end of the second movable seat away from the machine body, and one end of the second threaded rod passes through the first connecting seat and is fixedly connected to the first handle.

[0009] Preferably, the first connecting seat and the second threaded rod are threadedly connected, the top end of the sliding block is fixedly connected to the bottom end of the second movable seat, and the sliding block and the supporting seat form a sliding structure through a first sliding groove.

[0010] Preferably, a second handle is fixed to one end of the third threaded rod away from the shaft body, an adjustment rod is fixed to the bottom end of the limit seat, and an adjustment groove is provided on one side inside the adjustment rod.

[0011] Preferably, one end of the adjustment rod away from the limit seat is fixedly connected to the bottom end of the support seat by a bolt, the third threaded rod and the limit seat are threadedly connected, the limit claw and the universal ball are rotatably connected, and one end of the limit claw extends to the interior of the clamping seat and is clamped with the clamping seat.

[0012] Preferably, slide rails are fixedly mounted on the top ends of the bodies at both ends of the second connecting seat, second slide grooves are provided on the inner sides of the slide rails, and the bottom end of the second fixed seat is fixed with a guide seat.

[0013] Preferably, the slide rail and the second connecting seat are both located on the outside of the chip collecting groove at the top of the machine body, the second fixed seat and the cone head are rotatably connected through a bearing, the central axis of the cone head is colinear with the central axis of the shaft body, both ends of the guide seat extend to the interior of the second slide groove, and the guide seat and the slide rail are slidably connected through the second slide groove.

[0014] The present invention provides a turning device for precision machining of a motor shaft, which has the following advantages: By setting a limited position structure, the second handle is rotated, and the second handle drives the third threaded rod to rotate, so that the clamping seat drives the limit claw to move to one side of the shaft body, and the universal ball is in conflict with the outer wall of the shaft body. The limit claws on both sides of the limit seat are located on both sides of the cutter head. The universal ball is located on both sides of the cutting part through the third threaded rod, which prevents the universal ball from squeezing the cutting part and causing the shaft body to bend. At the same time, the universal ball and the cutter head are squeezed on the outside of the shaft body in a triangular shape, which prevents the shaft body from shaking during cutting, thereby improving the cutting precision of the device; Furthermore, a bolt is used to pass through the adjustment slot to fix the adjustment rod to the bottom end of the support seat. Under the action of the adjustment slot, the distance between the limit seat and the support seat can be adjusted, and the limit claw and the clamping seat are clamped with each other, which is convenient for disassembly and replacement of the limit claw, and convenient for cutting and using shafts of different diameters, thereby improving the applicability of the device when in use; Furthermore, when the electric push rod is started, it will push the second fixed seat to move, so that the second fixed seat drives the cone head to be squeezed on one end of the shaft body. When the shaft body rotates, it will drive the cone head to rotate inside the second fixed seat, thereby avoiding the shaking of the end of the shaft body away from the triangular gripping disk during cutting, thereby further improving the precision of the device during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the present invention; Figure 2 It is a rear view schematic diagram of the present invention; Figure 3 It is a front view schematic diagram of the mobile structure of the present invention; Figure 4 It is a schematic front view of the cutting structure of the present invention; Figure 5 It is a bottom view schematic diagram of the cutting structure of the present invention; Figure 6 It is a rear view schematic diagram of the cutting structure of the present invention; Figure 7 It is a front view schematic diagram of the limiting structure of the present invention; Figure 8 It is a rear view schematic diagram of the limiting structure of the present invention; Fig. 9 It is a front view schematic diagram of the fixing structure of the present invention; Fig.10 It is a rear view schematic diagram of the fixing structure of the present invention.

[0016] Explanation of the reference numerals in the figure: 1. machine body; 11. chip collecting groove; 12. material dropping groove; 2. moving structure; 21. first fixed seat; 22. servo motor; 23. first moving seat; 24. first threaded rod; 25. support rod; 3. cutting structure; 31. first connecting seat; 32. second threaded rod; 321. first handle; 33. universal bamboo tube; 34. knife seat; 35. second moving seat; 351. slider; 352. first slide groove; 36. support seat; 4. machine head ;41. triangular grab plate;42. driving motor;5. shaft;6. limiting structure;61. adjusting rod;62. adjusting slot;63. limiting claw;631. universal ball;64. snap-in seat;65. third threaded rod;66. limiting seat;67. second handle;7. fixing structure;71. slide rail;711. second slide slot;72. second fixing seat;721. cone head;73. electric push rod;74. second connecting seat;75. fixing plate;76. guide seat;8. collection box. DETAILED DESCRIPTION

[0017] 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 described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 10 The present invention provides a turning device for precision machining of a motor shaft, comprising a machine body 1.

[0019] Reference Figure 1 , Figure 7 and Figure 8 As shown, a machine head 4 is fixed on one side of the top of the machine body 1, a triangular grab plate 41 is rotatably connected to one side of the machine head 4, a driving motor 42 is fixed to the other side of the machine head 4, a chip collecting groove 11 is provided on the top of the machine body 1, a material dropping groove 12 is provided at the end of the machine body 1 away from the machine head 4, a collecting box 8 is provided on the inner side of the machine body 1 below the material dropping groove 12, an output end of the driving motor 42 extends to the inside of the machine head 4 and is fixedly connected to one end of the triangular grab plate 41, a shaft body 5 is clamped and fixed at one end of the triangular grab plate 41, a limiting structure 6 is provided on one side of the shaft body 5, the limiting structure 6 includes a limiting seat 66 provided on one side of the shaft body 5, both sides of the limiting seat 66 are penetrated by a third threaded rod 65, and the third threaded rod One end of 65 close to the shaft body 5 is rotatably connected with a clamping seat 64, one end of the clamping seat 64 is provided with a limiting claw 63, and the inner walls of both sides of the limiting claw 63 close to the end of the shaft body 5 are inlaid with universal balls 631. The end of the third threaded rod 65 away from the shaft body 5 is fixed with a second handle 67, and the bottom end of the limiting seat 66 is fixed with an adjusting rod 61. An adjusting groove 62 is provided on one side of the adjusting rod 61. The end of the adjusting rod 61 away from the limiting seat 66 is fixedly connected to the bottom end of the support seat 36 by a bolt. The third threaded rod 65 is threadedly connected to the limiting seat 66, the limiting claw 63 and the universal ball 631 are rotatably connected, and one end of the limiting claw 63 extends to the inside of the clamping seat 64 and is clamped with the clamping seat 64.

[0020] An external power supply is connected, one end of the shaft body 5 is clamped and fixed by the triangular gripping plate 41, and the adjusting rod 61 is fixed to the bottom end of the supporting seat 36 by passing the bolt through the adjusting slot 62. Under the action of the adjusting slot 62, the distance between the limiting seat 66 and the supporting seat 36 is adjusted according to the diameter of the shaft body 5 to be processed, and the limiting claw 63 and the clamping seat 64 are clamped with each other. The applicable limiting claw 63 is selected according to the diameter of the shaft body 5 to be processed, and the second handle 67 is rotated. The second handle 67 will drive the third threaded rod 65 to rotate, so that the clamping seat 64 drives the limiting claw 63 to move to one side of the shaft body 5, and the universal ball 631 The limit claws 63 on both sides of the limit seat 66 are located on both sides of the cutter head, and are in conflict with the outer wall of the shaft body 5. The universal ball 631 is located on both sides of the cutting point through the third threaded rod 65, which prevents the universal ball 631 from squeezing the cutting point and causing the shaft body 5 to bend. At the same time, the universal ball 631 and the cutter head are squeezed on the outside of the shaft body 5 in a triangular shape, which prevents the shaft body 5 from shaking during cutting. The coolant and debris generated during cutting will fall into the chip collecting groove 11, and then enter the collection box 8 through the blanking groove 12. The coolant and cutting debris are collected by the collection box 8, which is convenient for later recycling and reuse.

[0021] Reference Figure 2 , Fig. 9 and Fig.10 As shown, a fixing structure 7 is fixedly installed at one end of the shaft body 5 at the top of the machine body 1 away from the triangular grab plate 41, and the fixing structure 7 includes a second connecting seat 74 fixed to one side of the top of the machine body 1, a fixing plate 75 is fixed to the top of the second connecting seat 74, an electric push rod 73 is fixed to one side of the fixing plate 75, a second fixing seat 72 is fixed to one end of the electric push rod 73, a cone head 721 is provided on one side of the top of the second fixing seat 72, and a slide rail 71 is fixedly installed at the top of the machine body 1 at both ends of the second connecting seat 74, a second slide groove 711 is provided on the inner side of the slide rail 71, and a guide seat 76 is fixed at the bottom end of the second fixing seat 72, and the slide rail 71 and the second connecting seat 74 are both located on the outside of the chip collecting groove 11 at the top of the machine body 1, the second fixing seat 72 and the cone head 721 are rotatably connected by a bearing, the central axis of the cone head 721 is collinear with the central axis of the shaft body 5, and both ends of the guide seat 76 extend to the inside of the second slide groove 711, and the guide seat 76 and the slide rail 71 are slidably connected through the second slide groove 711.

[0022] When the electric push rod 73 is started, the electric push rod 73 will push the second fixed seat 72 to move. At the same time, the second fixed seat 72 will drive the guide seat 76 to slide inside the second slide groove 711. Under its guiding action, the second fixed seat 72 can move stably, and the central axis of the cone head 721 can be made colinear with the central axis of the shaft body 5, thereby improving the machining accuracy. The second fixed seat 72 drives the cone head 721 to be squeezed on one end of the shaft body 5. When the shaft body 5 rotates, it will drive the cone head 721 to rotate inside the second fixed seat 72, thereby preventing the end of the shaft body 5 away from the triangular gripping plate 41 from shaking during cutting.

[0023] Reference Figure 1 and Figure 3 As shown, a moving structure 2 is fixed on one side of the top of the body 1, and the moving structure 2 includes a first moving seat 23 arranged on one side of the top of the body 1, a first threaded rod 24 is penetrated inside the first moving seat 23, and support rods 25 are penetrated on both sides of the first threaded rod 24 inside the first moving seat 23, and first fixed seats 21 are fixed on both ends of the support rods 25, a servo motor 22 is fixedly installed on one side of the first fixed seat 21, one side of the first fixed seat 21 is fixedly connected to one side of the top of the body 1, the output end of the servo motor 22 passes through the first fixed seat 21 and is fixedly connected to one end of the first threaded rod 24, the first moving seat 23 and the first threaded rod 24 are threadedly connected, the first moving seat 23 and the support rod 25 are slidably connected, and one end of the first threaded rod 24 is rotatably connected to the first fixed seat 21.

[0024] When the first fixed seat 21 is started, the first fixed seat 21 will drive the first threaded rod 24 to rotate, so that the first threaded rod 24 drives the first movable seat 23 to slide on the outside of the support rod 25, and the movable structure 2 is fixedly installed on the outer wall of the body 1, so as to prevent cutting debris and coolant from splashing onto the outer wall of the first threaded rod 24 and causing corrosion to the first threaded rod 24, thereby improving the transmission accuracy of the first threaded rod 24 and the first movable seat 23 and improving the processing precision.

[0025] Reference Figure 1 and Figure 4-Figure 6 As shown, a cutting structure 3 is fixed to the top of the first movable seat 23, and the cutting structure 3 includes a first connecting seat 31 fixed to the top of the first movable seat 23, a support seat 36 is fixed to the side of the first connecting seat 31 close to the body 1, and a second movable seat 35 is arranged at the top of the support seat 36, a first slide groove 352 is opened at the middle position of the top of the support seat 36, a slider 351 is arranged inside the first slide groove 352, the top of the second movable seat 35 is rotatably connected to the knife seat 34, a universal bamboo tube 33 is fixed to one side of the support seat 36, and the end of the second movable seat 35 away from the body 1 is rotatably connected to the second threaded rod 32, one end of the second threaded rod 32 passes through the first connecting seat 31 and is fixedly connected to the first handle 321, the first connecting seat 31 and the second threaded rod 32 are threadedly connected, the top of the slider 351 is fixedly connected to the bottom end of the second movable seat 35, and the slider 351 and the support seat 36 form a sliding structure through the first slide groove 352.

[0026] The cutter head is fixedly installed on the top of the cutter seat 34 by bolts, and the cutter seat 34 and the second movable seat 35 are rotatably connected, which is convenient for using different tools for cutting. The bottom end of the universal bamboo tube 33 is externally connected to a coolant pump, and the coolant will be sprayed on the cutting position through the universal bamboo tube 33, which has a cooling, lubricating and protective effect on the shaft body 5 and the cutter head. The first handle 321 is rotated, and the first handle 321 will drive the second threaded rod 32 to rotate, so that the second threaded rod 32 drives the second movable seat 35 to move on the top of the support seat 36, which is convenient for tool setting and cutting. Under the guidance of the slider 351 and the first slide groove 352, the cutter head is prevented from shaking during cutting, thereby improving the processing precision.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 turning device for precision machining of a motor shaft, comprising a body (1); Features: A machine head (4) is fixed on one side of the top of the machine body (1), one side of the machine head (4) is rotatably connected to a triangular gripping plate (41), the other side of the machine head (4) is fixed to a driving motor (42), one end of the triangular gripping plate (41) is clamped and fixed to a shaft body (5), one side of the shaft body (5) is provided with a limiting structure (6), the limiting structure (6) comprises a limiting seat (66) provided on one side of the shaft body (5), both sides of the inside of the limiting seat (66) are penetrated by a third threaded rod (65), one end of the third threaded rod (65) close to the shaft body (5) is rotatably connected to a clamping seat (64), one end of the clamping seat (64) is provided with a limiting claw (63), and the inner walls of both sides of the limiting claw (63) close to one end of the shaft body (5) are inlaid with universal balls (631); A fixing structure (7) is fixedly mounted on one end of the shaft body (5) at the top end of the machine body (1) away from the triangular grab plate (41), and the fixing structure (7) comprises a second connecting seat (74) fixed to one side of the top end of the machine body (1), a fixing plate (75) is fixed to the top end of the second connecting seat (74), an electric push rod (73) is fixed to one side of the fixing plate (75), a second fixing seat (72) is fixed to one end of the electric push rod (73), and a cone head (721) is provided on one side of the top of the second fixing seat (72).

2. A turning device for precision machining of a motor shaft according to claim 1, characterized in that: A chip collecting groove (11) is provided at the top of the machine body (1), a material dropping groove (12) is provided at one end of the machine body (1) away from the machine head (4), a collecting box (8) is provided on the inner side of the machine body (1) below the material dropping groove (12), and an output end of the driving motor (42) extends to the inside of the machine head (4) and is fixedly connected to one end of the triangular grab plate (41).

3. The turning device for precision machining of a motor shaft according to claim 1, characterized in that: A moving structure (2) is fixed to one side of the top of the machine body (1), and the moving structure (2) comprises a first moving seat (23) arranged on one side of the top of the machine body (1), a first threaded rod (24) passing through the interior of the first moving seat (23), support rods (25) passing through both sides of the first threaded rod (24) inside the first moving seat (23), a first fixed seat (21) being fixed to both ends of the support rod (25), and a servo motor (22) being fixedly mounted on one side of the first fixed seat (21).

4. A turning device for precision machining of a motor shaft according to claim 3, characterized in that: One side of the first fixed seat (21) is fixedly connected to one side of the top of the machine body (1); an output end of the servo motor (22) passes through the first fixed seat (21) and is fixedly connected to one end of a first threaded rod (24); the first movable seat (23) and the first threaded rod (24) are threadedly connected; the first movable seat (23) and the support rod (25) are slidably connected; and one end of the first threaded rod (24) is rotatably connected to the first fixed seat (21).

5. The turning device for precision machining of a motor shaft according to claim 3, characterized in that: A cutting structure (3) is fixed at the top of the first movable seat (23), and the cutting structure (3) comprises a first connecting seat (31) fixed at the top of the first movable seat (23); a support seat (36) is fixed on a side of the first connecting seat (31) close to the machine body (1); a second movable seat (35) is arranged at the top of the support seat (36); a first sliding groove (352) is provided at the middle position of the top of the support seat (36); a sliding block (351) is arranged inside the first sliding groove (352); a knife seat (34) is rotatably connected to the top of the second movable seat (35); a universal bamboo tube (33) is fixed on one side of the support seat (36); an end of the second movable seat (35) away from the machine body (1) is rotatably connected to a second threaded rod (32); one end of the second threaded rod (32) passes through the first connecting seat (31) and is fixedly connected to a first handle (321).

6. A turning device for precision machining of a motor shaft according to claim 5, characterized in that: The first connecting seat (31) and the second threaded rod (32) are threadedly connected, the top end of the sliding block (351) is fixedly connected to the bottom end of the second movable seat (35), and the sliding block (351) and the supporting seat (36) form a sliding structure through the first sliding groove (352).

7. The turning device for precision machining of a motor shaft according to claim 5, characterized in that: A second handle (67) is fixed to one end of the third threaded rod (65) away from the shaft body (5), an adjustment rod (61) is fixed to the bottom end of the limit seat (66), and an adjustment slot (62) is provided on one side of the inside of the adjustment rod (61).

8. A turning device for precision machining of a motor shaft according to claim 7, characterized in that: One end of the adjusting rod (61) away from the limiting seat (66) is fixedly connected to the bottom end of the support seat (36) by means of a bolt, the third threaded rod (65) is threadedly connected to the limiting seat (66), the limiting claw (63) is rotatably connected to the universal ball (631), and one end of the limiting claw (63) extends to the interior of the clamping seat (64) and is clamped to the clamping seat (64).

9. The turning device for precision machining of a motor shaft according to claim 1, characterized in that: The top ends of the bodies (1) at both ends of the second connecting seat (74) are fixedly mounted with slide rails (71), the inner sides of the slide rails (71) are provided with second slide grooves (711), and the bottom end of the second fixed seat (72) is fixed with a guide seat (76).

10. A turning device for precision machining of a motor shaft according to claim 9, characterized in that: The slide rail (71) and the second connecting seat (74) are both located outside the chip collecting groove (11) at the top end of the machine body (1); the second fixed seat (72) and the cone head (721) are rotatably connected via a bearing; the central axis of the cone head (721) is colinear with the central axis of the shaft body (5); both ends of the guide seat (76) extend into the interior of the second slide groove (711); and the guide seat (76) and the slide rail (71) are slidably connected via the second slide groove (711).

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