Clamping device for motor spindle spline machining and using method of clamping device

Abstract

The invention discloses a clamping device for spline machining of a motor spindle and a using method of the clamping device. The clamping device comprises a fixing frame, and a movable plate capable of ascending and descending in a reciprocating mode is arranged on the fixing frame; two sets of guide plates A are arranged on the fixed frame, two sets of guide plates B are arranged on the movable plate, the two sets of guide plates A and the two sets of guide plates B are matched in position, two sets of limiting blocks A are arranged on the guide plates A, two sets of limiting blocks B are arranged on the two sets of guide plates B, and the two sets of limiting blocks B are matched with the two sets of limiting blocks A in position. The spacing is adjusted by relative displacement of the two groups of limiting blocks A, and the limiting blocks B displace along with displacement of the limiting blocks A; the clamping device has the beneficial effects that through position matching of the two sets of guide plates A and the two sets of guide plates B and relative displacement adjustment of the limiting block A and the limiting block B, accurate clamping and positioning of the motor spindle are achieved, and stability and accuracy in the machining process are ensured.

Description

Technical Field

[0001] The invention relates to a clamping device for motor spindle spline processing and a use method thereof. Background Art

[0002] In the field of motor spindle spline processing, accurate and stable clamping devices are crucial to ensuring processing accuracy and improving production efficiency. Due to the design limitations of traditional clamping devices, it is impossible to achieve accurate positioning and clamping of the motor spindle, resulting in errors in the processing process, affecting product quality, and it is also difficult to adapt to motor spindles of different sizes and shapes, limiting its application in diversified processing tasks. In view of this, the present invention proposes a clamping device for motor spindle spline processing and a method of using the same to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a clamping device for motor spindle spline machining and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A clamping device for processing a motor spindle spline comprises a fixing frame, on which a movable plate capable of reciprocating lifting and lowering is arranged; Two groups of guide plates A are arranged on the fixed frame, and two groups of guide plates B are arranged on the movable plate. The positions of the two groups of guide plates A and the two groups of guide plates B match each other. Two groups of limit blocks A are arranged on the guide plate A, and two groups of limit blocks B are arranged on the two groups of guide plates B. The two groups of limit blocks B match the positions of the two groups of limit blocks A respectively. The two groups of limit blocks A are relatively displaced to adjust the spacing. The limit blocks B are displaced as the limit blocks A are displaced. The movable plate descends, so that the limit blocks B are displaced toward the direction of the limit blocks A to clamp the motor spindle.

[0005] As an improvement of the above technical solution, a guide groove A is provided on the guide plate A, and a guide block A is provided on the limit block A. The guide block A matches the position of the guide groove A, and the guide block A is slidably provided in the guide groove A, so that the limit block A slides on the guide plate A.

[0006] As an improvement of the above technical solution, a guide groove B is provided on the guide plate B, and a guide block B is provided on the limit block B. The guide block B matches the position of the guide groove B, and the guide block B is slidably arranged in the guide groove B, so that the limit block B slides on the guide plate B.

[0007] As an improvement of the above technical solution, a transmission block A is provided on the limit block A, and a transmission rod is provided on the transmission block A; The limit block B is provided with a transmission block B, the transmission block B is provided with a transmission hole, the transmission rod matches the transmission hole in position, and the transmission rod is slidably arranged in the transmission hole.

[0008] As an improvement of the above technical solution, the fixing frame includes a bottom plate, a lifting plate is arranged on the guide plate B, two groups of support rods are symmetrically arranged on the lifting plate, and the support rods are connected to the bottom plate; The lifting plate is provided with a sliding sleeve, and the support rod is slidably arranged in the sliding sleeve.

[0009] As an improvement of the above technical solution, a top plate is provided on the top of the four groups of support rods, a threaded sleeve is provided at the center of the top plate, a movable screw is provided in the threaded sleeve, the bottom end of the movable screw is rotatably connected to the movable plate, and the movable screw is threadably matched with the threaded sleeve, so that the movable plate can be raised and lowered along the axial direction of the support rod.

[0010] As an improvement of the above technical solution, a first movable hole is opened on the movable plate, and a second movable hole is opened on the lifting plate. The positions of the first movable hole and the second movable hole match, and the first movable hole and the second movable hole are connected by bolts.

[0011] As an improvement of the above technical solution, the guide plate A is connected to the bottom plate; An adjustment screw is arranged in the guide groove A, and the adjustment screw is provided with two sets of rotating parts. The two sets of rotating parts are respectively rotatably arranged on the support rods on both sides of the guide plate A. A threaded hole is opened on the guide block A. The threaded directions of the threaded holes of the two sets of guide blocks A are opposite, and the adjustment screw is threadedly connected in the threaded hole.

[0012] As an improvement of the above technical solution, a rubber block A is provided on the limit block A, and a rubber block B is provided on the limit block B. Both the rubber block A and the rubber block B are provided with arc-shaped notches.

[0013] A method for using a clamping device for motor spindle spline processing comprises the following steps: S10. Placement: Place the motor spindle under the movable plate and between the two sets of guide plates A; S20, Connection: The movable screw is rotated to make the movable plate descend, and the limit block B is moved to slide on the guide plate B, so that the two sets of limit blocks B are aligned with the two sets of limit blocks A. When the movable plate descends, the transmission rod is inserted into the transmission hole, so that the limit blocks A and the limit blocks B are connected; S30, one-time clamping: Turn the adjusting screw, and by adjusting the screw and the threaded hole, the two sets of limit blocks A are relatively displaced on the guide plate A until the two sets of limit blocks A contact the outer wall of the motor spindle, and a clamping limit is performed; S40, secondary clamping: The movable screw is rotated again to lower the movable plate, driving the guide plate B to move toward the motor spindle until the limit block B contacts the surface of the motor spindle, and a secondary clamping limit is performed; S50, rotation adjustment: When the motor spindle needs to be rotated and adjusted, the movable screw is rotated in the reverse direction to lift the movable plate, and the adjustment screw is rotated in the reverse direction to increase the distance between the two sets of limit blocks A.

[0014] Compared with the prior art, the present invention has the following beneficial effects: Through the position matching of two sets of guide plates A and two sets of guide plates B, and the relative displacement adjustment of limit blocks A and limit blocks B, the precise clamping and positioning of the motor spindle is achieved, ensuring the stability and accuracy during the processing; Through the double clamping of limit block A and limit block B and the clamping under the pressure of the movable plate, the fixing ability of the motor spindle can be effectively enhanced, providing a more reliable clamping effect, reducing vibration and displacement during processing, and improving processing accuracy; Since the limit block A and the limit block B can be relatively displaced to adjust the spacing, the clamping device can adapt to motor spindles of different sizes and has good versatility and adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a front view of the present invention; Figure 3 This is a schematic diagram of the result of fixing the frame of the present invention; Figure 4 It is a structural schematic diagram of the movable plate of the present invention; Figure 5 It is a structural schematic diagram of the guide plate B of the present invention; Figure 6 It is a schematic diagram of the positions of the limit block A and the limit block B of the present invention; Figure 7 It is a structural schematic diagram of the limit block A of the present invention; Figure 8 It is a schematic structural diagram of the limit block B of the present invention; Fig. 9 It is a structural schematic diagram of the adjusting screw rod of the present invention.

[0016] In the figure: 10, fixed frame; 11, bottom plate; 12, support rod; 13, top plate; 14, threaded sleeve; 20, movable plate; 21, movable screw; 22, first movable hole; 30, guide plate A; 31, limit block A; 32, guide groove A; 33, transmission rod; 34, threaded hole; 35, rubber block A; 36, guide block A; 37, transmission block A; 40, guide plate B; 41, limit block B; 42, guide groove B; 43, guide block B; 44, transmission block B; 45, transmission hole; 46, rubber block B; 50, lifting plate; 51, second movable hole; 52, sliding sleeve; 60, adjusting screw; 61, rotating part; 70, arc-shaped notch. 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] Example: like Figure 1-9 As shown, this embodiment provides a clamping device for motor spindle spline processing, including a fixing frame 10, on which a movable plate 20 that can be lifted and lowered reciprocally is disposed; Two groups of guide plates A30 are arranged on the fixed frame 10, and two groups of guide plates B40 are arranged on the movable plate 20. The positions of the two groups of guide plates A30 and the two groups of guide plates B40 match each other. Two groups of limit blocks A31 are arranged on the guide plate A30, and two groups of limit blocks B41 are arranged on the two groups of guide plates B40. The two groups of limit blocks B41 match the positions of the two groups of limit blocks A31 respectively. The two groups of limit blocks A31 are relatively displaced to adjust the spacing. The limit block B41 moves as the limit block A31 moves. The movable plate 20 descends, so that the limit block B41 moves toward the direction of the limit block A31 to clamp the motor spindle.

[0019] In this embodiment, when clamping the motor spindle, the motor spindle is placed under the movable plate 20 and on the two sets of guide plates A30, and then the two sets of limit blocks A31 are displaced to adjust the spacing until the two sets of limit blocks A31 contact the outer wall of the motor spindle for a clamping operation, and since the two sets of limit blocks B41 are displaced along with the displacement of the limit blocks A31, the two sets of limit blocks B41 adjust the spacing, and then the movable plate 20 is lowered, driving the guide plate B40 to lower, so that the limit blocks B41 contact the outer wall of the motor spindle for a secondary clamping and limiting operation; By matching the positions of the two sets of guide plates A30 and the two sets of guide plates B40, and adjusting the relative displacement of the limit blocks A31 and the limit blocks B41, the motor spindle is precisely clamped and positioned, ensuring stability and accuracy during the processing. Through the double clamping of the limit block A31 and the limit block B41 and the clamping under the downward pressure of the movable plate 20, the fixing ability of the motor spindle can be effectively enhanced, providing a more reliable clamping effect, reducing vibration and displacement during processing, and improving processing accuracy; Since the limit block A31 and the limit block B41 can be relatively displaced to adjust the spacing, the clamping device can adapt to motor spindles of different sizes and has good versatility and adaptability.

[0020] Specifically, a guide groove A32 is provided on the guide plate A30, and a guide block A36 is provided on the limit block A31. The guide block A36 matches the position of the guide groove A32, and the guide block A36 is slidably provided in the guide groove A32, so that the limit block A31 slides on the guide plate A30.

[0021] In this embodiment, the sliding cooperation between the guide block A36 and the guide groove A32 can facilitate the sliding of the limit block A31 on the guide plate A30 so as to adjust the spacing according to motor spindles of different diameters.

[0022] Specifically, a guide groove B42 is provided on the guide plate B40, and a guide block B43 is provided on the limit block B41. The guide block B43 matches the position of the guide groove B42, and the guide block B43 is slidably provided in the guide groove B42, so that the limit block B41 slides on the guide plate B40.

[0023] In this embodiment, the sliding cooperation between the guide block B43 and the guide groove B42 can facilitate the sliding of the limit block B41 on the guide plate B40 so as to adjust the spacing according to motor spindles of different diameters.

[0024] Specifically, a transmission block A37 is provided on the limit block A31, and a transmission rod 33 is provided on the transmission block A37; The limit block B41 is provided with a transmission block B44 , and the transmission block B44 is provided with a transmission hole 45 . The transmission rod 33 matches the transmission hole 45 , and the transmission rod 33 is slidably arranged in the transmission hole 45 .

[0025] In this embodiment, when the spacing between the two groups of limit blocks A31 is adjusted, the cooperation between the transmission rod 33 and the transmission hole 45 can facilitate the position adjustment of the limit block B41.

[0026] Specifically, the fixing frame 10 includes a bottom plate 11, a lifting plate 50 is arranged on the guide plate B40, two groups of support rods 12 are symmetrically arranged on the lifting plate 50, and the support rods 12 are connected to the bottom plate 11; The lifting plate 50 is provided with a sliding sleeve 52 , and the support rod 12 is slidably disposed in the sliding sleeve 52 .

[0027] In this embodiment, the sliding sleeve 52 is provided to slide with the support rod 12, so that the guide plate B40 can be easily lowered to limit the motor spindle.

[0028] Specifically, a top plate 13 is provided on the top of the four groups of support rods 12, a threaded sleeve 14 is provided at the center of the top plate 13, a movable screw 21 is provided in the threaded sleeve 14, the bottom end of the movable screw 21 is rotatably connected to the movable plate 20, and the movable screw 21 is threadedly matched with the threaded sleeve 14, so that the movable plate 20 can be raised and lowered along the axial direction of the support rod 12.

[0029] In this embodiment, when the guide plate B40 is displaced toward the motor spindle, the movable screw 21 is rotated, and the movable plate 20 is lowered under the thread cooperation between the movable screw 21 and the threaded sleeve 14, so that the lifting plate 50 on the movable plate 20 is lowered, thereby lowering the guide plate B40.

[0030] Specifically, the movable plate 20 is provided with a first movable hole 22 , and the lifting plate 50 is provided with a second movable hole 51 . The first movable hole 22 and the second movable hole 51 are matched in position, and the first movable hole 22 and the second movable hole 51 are connected by bolts.

[0031] In this embodiment, by connecting bolts in the first movable hole 22 and the second movable hole 51 , the movable plate 20 and the lifting plate 50 can be easily connected.

[0032] Specifically, the guide plate A30 is connected to the bottom plate 11; An adjusting screw 60 is arranged in the guide groove A32, and the adjusting screw 60 is provided with two groups of rotating parts 61. The two groups of rotating parts 61 are respectively rotatably arranged on the support rods 12 on both sides of the guide plate A30. A threaded hole 34 is opened on the guide block A36. The thread directions of the threaded holes 34 of the two groups of guide blocks A36 are opposite, and the adjusting screw 60 is threadedly connected in the threaded hole 34.

[0033] In this embodiment, when adjusting the spacing between the two groups of limit blocks A31, by rotating the adjustment screw 60, the two groups of guide blocks A36 move relative to each other under the cooperation of the adjustment screw 60 and the two groups of threaded holes 34 with opposite thread directions, thereby making the two groups of limit blocks A31 move relative to each other to adjust the spacing.

[0034] Specifically, a rubber block A35 is disposed on the limit block A31 , and a rubber block B46 is disposed on the limit block B41 . Both the rubber block A35 and the rubber block B46 are provided with an arc-shaped notch 70 .

[0035] In this embodiment, the arc-shaped notch 70 can facilitate the rubber block A35 and the rubber block B46 to fully contact the outer wall of the motor shaft, so as to improve the clamping ability.

[0036] A method for using a clamping device for motor spindle spline processing comprises the following steps: S10. Placement: Place the motor spindle under the movable plate 20 and between the two sets of guide plates A30; S20, Connection: The movable screw rod 21 is rotated to make the movable plate 20 descend, and the limit block B41 is moved to slide on the guide plate B40, so that the two groups of limit blocks B41 are aligned with the two groups of limit blocks A31. When the movable plate 20 descends, the transmission rod 33 is inserted into the transmission hole 45, so that the limit blocks A31 and the limit blocks B41 are connected; S30, one-time clamping: The adjusting screw 60 is rotated, and the two sets of limit blocks A31 are relatively displaced on the guide plate A30 by adjusting the screw 60 and the threaded hole 34, until the two sets of limit blocks A31 contact the outer wall of the motor spindle, and a clamping limit is performed; S40, secondary clamping: The movable screw rod 21 is rotated again to make the movable plate 20 descend, and the guide plate B40 is driven to move toward the motor main shaft until the limit block B41 contacts the surface of the motor main shaft, and a second clamping limit is performed; S50, rotation adjustment: When the motor spindle needs to be rotated and adjusted, the movable screw rod 21 is rotated in the reverse direction to lift the movable plate 20, and the adjustment screw rod 60 is rotated in the reverse direction to increase the distance between the two sets of limit blocks A31.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping device for motor spindle spline machining, characterized in that: It comprises a fixed frame (10), on which a movable plate (20) capable of reciprocating lifting and lowering is arranged; Two groups of guide plates A (30) are arranged on the fixed frame (10), and two groups of guide plates B (40) are arranged on the movable plate (20). The positions of the two groups of guide plates A (30) and the two groups of guide plates B (40) match each other. Two groups of limit blocks A (31) are arranged on the guide plate A (30), and two groups of limit blocks B (41) are arranged on the two groups of guide plates B (40). The two groups of limit blocks B (41) match each other in position with the two groups of limit blocks A (31). The two groups of limit blocks A (31) are relatively displaced to adjust the spacing. The limit blocks B (41) are displaced as the limit blocks A (31) are displaced. The movable plate (20) is lowered, so that the limit blocks B (41) are displaced in the direction of the limit blocks A (31) to clamp the motor spindle.

2. The clamping device for motor spindle spline machining according to claim 1, characterized in that: The guide plate A (30) is provided with a guide groove A (32), the limit block A (31) is provided with a guide block A (36), the guide block A (36) matches the position of the guide groove A (32), and the guide block A (36) is slidably arranged in the guide groove A (32), so that the limit block A (31) slides on the guide plate A (30).

3. The clamping device for motor spindle spline machining according to claim 2, characterized in that: The guide plate B (40) is provided with a guide groove B (42), the limit block B (41) is provided with a guide block B (43), the guide block B (43) matches the position of the guide groove B (42), and the guide block B (43) is slidably arranged in the guide groove B (42), so that the limit block B (41) slides on the guide plate B (40).

4. The clamping device for motor spindle spline machining according to claim 3, characterized in that: A transmission block A (37) is disposed on the limit block A (31), and a transmission rod (33) is disposed on the transmission block A (37); The limit block B (41) is provided with a transmission block B (44), the transmission block B (44) is provided with a transmission hole (45), the transmission rod (33) matches the transmission hole (45) in position, and the transmission rod (33) is slidably arranged in the transmission hole (45).

5. The clamping device for motor spindle spline machining according to claim 4, characterized in that: The fixing frame (10) comprises a bottom plate (11), a lifting plate (50) is arranged on the guide plate B (40), two groups of support rods (12) are symmetrically arranged on the lifting plate (50), and the support rods (12) are connected to the bottom plate (11); A sliding sleeve (52) is provided on the lifting plate (50), and the support rod (12) is slidably disposed in the sliding sleeve (52).

6. The clamping device for motor spindle spline machining according to claim 5, characterized in that: A top plate (13) is arranged on the top of the four groups of support rods (12), a threaded sleeve (14) is arranged at the center of the top plate (13), a movable screw rod (21) is arranged in the threaded sleeve (14), the bottom end of the movable screw rod (21) is rotatably connected to the movable plate (20), and the movable screw rod (21) and the threaded sleeve (14) are threadably matched, so that the movable plate (20) is lifted and lowered along the axial direction of the support rod (12).

7. The clamping device for motor spindle spline machining according to claim 6, characterized in that: The movable plate (20) is provided with a first movable hole (22), and the lifting plate (50) is provided with a second movable hole (51); the first movable hole (22) and the second movable hole (51) are matched in position, and the first movable hole (22) and the second movable hole (51) are connected by bolts.

8. The clamping device for motor spindle spline machining according to claim 7, characterized in that: The guide plate A (30) is connected to the bottom plate (11); An adjusting screw (60) is arranged in the guide groove A (32), and the adjusting screw (60) is provided with two groups of rotating parts (61). The two groups of rotating parts (61) are rotatably arranged on the support rods (12) on both sides of the guide plate A (30), respectively. The guide block A (36) is provided with a threaded hole (34), and the threaded directions of the threaded holes (34) of the two groups of guide blocks A (36) are opposite. The adjusting screw (60) is threadedly connected in the threaded hole (34).

9. The clamping device for motor spindle spline machining according to claim 8, characterized in that: The limit block A (31) is provided with a rubber block A (35), and the limit block B (41) is provided with a rubber block B (46). The rubber block A (35) and the rubber block B (46) are both provided with an arc-shaped notch (70).

10. A method for using a clamping device for motor spindle spline machining based on any one of claims 1 to 9, characterized in that: The following steps are involved: S10. Placement: Place the motor spindle under the movable plate (20) and between two sets of guide plates A (30); S20, Connection: The movable screw rod (21) is rotated to lower the movable plate (20), and the limit block B (41) is moved to slide on the guide plate B (40), so that the two groups of limit blocks B (41) are aligned with the two groups of limit blocks A (31). When the movable plate (20) is lowered, the transmission rod (33) is inserted into the transmission hole (45), so that the limit blocks A (31) and the limit blocks B (41) are connected; S30, one-time clamping: The adjusting screw (60) is rotated, and the two sets of limit blocks A (31) are relatively displaced on the guide plate A (30) by cooperating with the adjusting screw (60) and the threaded hole (34), until the two sets of limit blocks A (31) contact the outer wall of the motor main shaft, thereby performing a clamping limit. S40, secondary clamping: The movable screw rod (21) is rotated again to lower the movable plate (20), driving the guide plate B (40) to move toward the motor main shaft until the limit block B (41) contacts the surface of the motor main shaft, thereby performing secondary clamping and limiting. S50, rotation adjustment: When the motor spindle needs to be rotated and adjusted, the movable screw rod (21) is rotated in the reverse direction to lift the movable plate (20), and the adjustment screw rod (60) is rotated in the reverse direction to increase the distance between the two sets of limit blocks A (31).

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