End face grooving lathe for machining mechanical shaft

Abstract

The utility model relates to the technical field of mechanical shaft machining, and provides an end face slotting lathe for machining a mechanical shaft, which comprises a lathe frame and a pair of upright posts, the upright posts are fixed on two sides of the surface of the lathe frame, a slotting component is arranged on the upright posts, a fixed propelling component is arranged on the lathe frame and comprises a long slot, and the long slot is arranged on the surface of the lathe frame. A pair of first sliding ways is arranged on the surface of the lathe frame, a movable base is slidably connected to the first sliding ways, a driving motor is installed outside the lathe frame, and a movable lead screw is rotationally connected into the long groove and connected with the output end of the driving motor. By means of the technical scheme, the problems that in the prior art, shaft key groove machining is conducted after a lathe is used for fixing, a tool needs to be matched for fixing, the assembling and disassembling mode is complex, the grooving efficiency is low, and waste chips are inconvenient to clean are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical shaft processing, in particular to an end surface slotting lathe for processing mechanical shafts. Background Art

[0002] A shaft is a cylindrical object that goes through a bearing, a wheel, or a gear, but a few are square. A shaft is a mechanical part that supports rotating parts and rotates with them to transmit motion, torque, or bending moment. It is usually a metal rod, and each section can have different diameters. The parts that rotate in the machine are mounted on the shaft.

[0003] Currently, the keyway processing for the shaft is all done by fixing it on a lathe, and it also needs to be fixed with tooling. The loading and unloading methods are relatively complicated, the grooving efficiency is low, and it is inconvenient to clean up the waste cuttings.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model proposes a lathe for processing the end face grooving of a mechanical shaft, which solves the problems in the related technology that the keyway processing of the shaft is currently processed by a lathe after being fixed, and it also needs to be fixed with tooling, the loading and unloading method is relatively complicated, the grooving efficiency is low, and it is inconvenient to clean up the waste cuttings.

[0006] The technical solution of the utility model is as follows:

[0007] A lathe frame and a pair of columns, wherein the columns are fixed on both sides of the surface of the lathe frame;

[0008] A slotting assembly, wherein the slotting assembly is arranged on the column;

[0009] A fixed propulsion assembly is arranged on the lathe frame, the fixed propulsion assembly includes a long groove, the long groove is opened on the surface of the lathe frame, a pair of first slideways are arranged on the surface of the lathe frame, a moving seat is slidably connected to the first slideways, a driving motor is installed outside the lathe frame, a moving screw is rotatably connected in the long groove, and the moving screw is connected to the output end of the driving motor.

[0010] As a further technical solution, a pair of extension frames are provided on both side surfaces of the outer side of the movable seat, an upper pressure frame is fixedly connected between the extension frames, a pair of rectangular grooves are opened on the top of the movable seat, and a clamping screw is rotatably connected between the rectangular grooves.

[0011] As a further technical solution, a pair of second slideways are arranged in the rectangular groove, a movable frame is slidably connected to the second slideway, the movable frame is connected to the clamping screw by threaded cooperation, and a clamping frame is arranged on the top of the movable frame.

[0012] As a further technical solution, a clamping motor is installed at the bottom of the movable seat, and a transmission gear is provided at the output end of the clamping motor and one end of the clamping screw. A tilting cover is fixedly connected to the side end face of the movable seat, and support plates are provided at both ends of the tilting cover.

[0013] As a further technical solution, the slotting assembly includes a vertical screw, which is rotatably connected inside the column. A second motor is provided at the bottom of the lathe frame, and an output end of the second motor is connected to the vertical screw. A guide rod is provided inside the column.

[0014] As a further technical solution, the external sliding sleeve of the guide rod is connected to a lifting frame, the lifting frame is connected to the vertical screw through threaded cooperation, a slotting motor is arranged on the top of the lifting frame, and a slotting milling cutter is installed at the output end of the slotting motor.

[0015] As a further technical solution, arc grooves are provided on the upper surface of the movable seat and the top of the support plate.

[0016] As a further technical solution, a cooling pipe and an air pipe are respectively installed at the bottom of the lifting frame.

[0017] As a further technical solution, the clamping screw adopts a double-start thread structure, and the thread directions at both ends of the clamping screw are respectively a positive spiral and a negative spiral.

[0018] As a further technical solution, the upper pressing frame is an overall V-shaped opening structure, and the clamping frame has a certain inclination angle.

[0019] The working principle and beneficial effects of the utility model are:

[0020] The utility model is provided with a fixed propulsion assembly, which can fix the mechanical axis by means of upper and lower clamping cooperation through the interaction of the first slideway, the movable seat, the movable lead screw, the upper pressure frame, the clamping screw, the clamping frame and the upper pressure frame, and can directly determine the axis center position without the need for axis center position correction and other operations, and can clean up the waste cuttings during the grooving process, and can discharge the waste cuttings to the outside on both sides through the inclined cover with an inclined angle, which is convenient for cleaning, and has good grooving processing effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is the axonometric drawing of the utility model;

[0024] Figure 3 This is an axonometric sectional view of the utility model;

[0025] Figure 4 For the utility model Figure 3 A partial enlarged view of part A;

[0026] In the figure: 1. lathe frame; 2. column; 3. fixed propulsion assembly; 3-1. long groove; 3-2. first slide; 3-3. moving seat; 3-4. driving motor; 3-5. moving screw; 3-6. extension frame; 3-7. upper pressure frame; 3-8. rectangular groove; 3-9. clamping screw; 3-10. second slide; 3-11. moving frame; 3-12. clamping frame; 3-13. clamping motor; 3-14. transmission gear; 3-15. tilting cover; 3-16. support plate; 4. slotting assembly; 4-1. vertical screw; 4-2. second motor; 4-3. guide rod; 4-4. lifting frame; 4-5. slotting motor; 4-6. slotting milling cutter; 5. arc groove; 6. cooling pipe; 7. air pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1~Figure 4 As shown, this embodiment provides a lathe for machining end surface slotting of a mechanical shaft, comprising

[0029] A lathe frame 1 and a pair of columns 2, wherein the columns 2 are fixed on both sides of the surface of the lathe frame 1;

[0030] A slotting component 4, wherein the slotting component 4 is arranged on the column 2;

[0031] A fixed propulsion assembly 3 is arranged on the lathe frame 1. The fixed propulsion assembly 3 includes a long groove 3-1, which is opened on the surface of the lathe frame 1. A pair of first slideways 3-2 are arranged on the surface of the lathe frame 1. A moving seat 3-3 is slidably connected to the first slideway 3-2. A driving motor 3-4 is installed on the outside of the lathe frame 1. A moving lead screw 3-5 is rotatably connected in the long groove 3-1. The moving lead screw 3-5 is connected to the output end of the driving motor 3-4. A pair of extension frames 3-6 are arranged on both sides of the outer surface of the moving seat 3-3. An upper pressure frame 3-7 is fixedly connected between the extension frames 3-6. A pair of rectangular The second slideway 3-10 is slidably connected to a movable frame 3-11, and the movable frame 3-11 is connected to the clamping screw 3-9 by threaded cooperation. A clamping frame 3-12 is arranged on the top of the movable frame 3-11, and a clamping motor 3-13 is installed on the bottom of the movable seat 3-3. A transmission gear 3-14 is arranged on the output end of the clamping motor 3-13 and one end of the clamping screw 3-9. A tilting cover 3-15 is fixedly connected to the side end face of the movable seat 3-3, and support plates 3-16 are arranged on both ends of the tilting cover 3-15.

[0032] In this embodiment, in order to achieve the effect of fixing the axis and moving it linearly, a fixed propulsion component 3 is designed, a long groove 3-1 is opened on the surface of the lathe frame 1, and the surface of the lathe frame 1 is provided with a first slideway 3-2 on both sides of the long groove 3-1, and a moving seat 3-3 is slidably connected on the first slideway 3-2, a moving screw 3-5 is arranged in the long groove 3-1 and is threadedly connected with the moving seat 3-3, and a driving motor 3-4 is installed on the outside, and the driving motor 3-4 can drive the moving screw 3-5 to rotate, so as to achieve the effect of controlling the movement of the moving seat 3-3, and two opposite rectangular grooves 3-8 are opened on the moving seat 3-3, and the same clamping screw 3-9 is rotatably connected in the two rectangular grooves 3-8, and a second motor 4-2 is installed at the bottom of the moving seat 3-3, and a transmission The gear 3-14 can drive the clamping screw 3-9 to rotate. A second slideway 3-10 is provided in the rectangular groove 3-8 and is slidably connected with a moving frame 3-11. The moving frame 3-11 is connected with the clamping screw 3-9. A clamping frame 3-12 is provided on the top of the moving frame 3-11. The clamping frame 3-12 can be synchronously moved and fitted on both sides of the shaft. An extension frame 3-6 is fixed to the outside of the moving seat 3-3 and is connected with an upper pressure frame 3-7. The upper pressure frame 3-7 can cooperate with the clamping frame 3-12 to clamp the shaft in the middle. After clamping, it can move in a straight line and slot during the movement. The slotting position is located on the outside of the moving seat 3-3. An inclined cover 3-15 is fixed at one end of the moving seat 3-3. The inclined cover 3-15 is located directly below the slotted part. Two support plates 3-16 are also provided to block the two sides, and the fallen waste can slide to both sides.

[0033] Furthermore, the slotting assembly 4 includes a vertical screw 4-1, which is rotatably connected to the column 2. A second motor 4-2 is arranged at the bottom of the lathe frame 1, and the output end of the second motor 4-2 is connected to the vertical screw 4-1. A guide rod 4-3 is arranged in the column 2, and the external sliding sleeve of the guide rod 4-3 is connected to a lifting frame 4-4. The lifting frame 4-4 is connected to the vertical screw 4-1 by threaded cooperation. A slotting motor 4-5 is arranged on the top of the lifting frame 4-4, and a slotting milling cutter 4-6 is installed at the output end of the slotting motor 4-5.

[0034] In this embodiment, in order to achieve the processing effect of grooving the shaft, a grooving component 4 is designed, and a vertical screw 4-1 and a guide rod 4-3 are respectively arranged in the two columns 2, and a second motor 4-2 is arranged at the bottom of the lathe frame 1, and the second motor 4-2 is connected to the vertical screw 4-1 and drives the rotation, and a lifting frame 4-4 is connected to the guide rod 4-3 and the vertical screw 4-1, and a grooving motor 4-5 is installed on the lifting frame 4-4, and a removable grooving milling cutter 4-6 is arranged at the output end, and the corresponding grooving milling cutter 4-6 can be replaced according to different grooving sizes.

[0035] Furthermore, arc grooves 5 are provided on the upper surface of the movable seat 3-3 and the top of the support plate 3-16.

[0036] In this embodiment, by providing the arc groove 5, the shaft can be directly centered on the movable seat 3-3, which is convenient for installation.

[0037] Furthermore, a cooling pipe 6 and an air pipe 7 are respectively installed at the bottom of the lifting frame 4 - 4 .

[0038] In this embodiment, by installing a cooling pipe 6 and an air pipe 7 at the bottom of the lifting frame 4-4 and connecting cooling and air blowing equipment respectively, the slotting milling cutter 4-6 can be cooled and waste chips can be cleaned.

[0039] Furthermore, the clamping screw 3-9 adopts a double-start thread structure, and the thread directions at both ends of the clamping screw 3-9 are a positive spiral and a reverse spiral respectively.

[0040] In this embodiment, through the double-start thread structure, the movable frames 3-11 at both ends of the clamping screw 3-9 can move synchronously to the middle and both sides.

[0041] Furthermore, the upper pressing frame 3-7 has a V-shaped opening structure as a whole, and the clamping frame 3-12 has a certain inclination angle.

[0042] In this embodiment, the V-shaped opening structure can cooperate with the clamping frame 3-12 to firmly clamp the shaft in the middle or on the outer sides for movement.

[0043] When the shaft needs to be grooved, the corresponding groove milling cutter 4-6 is installed to the output end of the groove motor 4-5 according to the size of the groove, and the mechanical shaft is placed on the moving seat 3-3, and then the clamping motor 3-13 is started, and the clamping screw 3-9 is driven by the transmission gear 3-14 to control the movement of the moving frame 3-11 so that the clamping frame 3-12 is supported on both sides of the mechanical shaft until it cooperates with the upper pressure frame 3-7 on the top to clamp the mechanical shaft, and then the driving motor 3-4 is started, so that the moving screw 3-5 controls the moving seat 3-3 to move the mechanical shaft forward, and at the same time, the second motor 4-2 is started, so that the vertical screw 4-1 controls the lifting frame 4-4 to descend, and the groove motor 4-5 is started to drive the groove milling cutter 4-6 to rotate at high speed, reciprocate and gradually descend to perform groove processing, and the fallen waste cuttings slide to both sides through the inclined cover 3-15, and can be cooled through the cooling pipe 6 during the process. After the processing is completed, the air pipe 7 can be started to blow air for cleaning.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 lathe for machining end surface slotting of a mechanical shaft, characterized in that: include A lathe frame (1) and a pair of columns (2), wherein the columns (2) are fixed on both sides of the surface of the lathe frame (1); A slotting assembly (4), wherein the slotting assembly (4) is arranged on the column (2); A fixed propulsion assembly (3) is arranged on the lathe frame (1), the fixed propulsion assembly (3) comprises a long slot (3-1), the long slot (3-1) is opened on the surface of the lathe frame (1), a pair of first slideways (3-2) are arranged on the surface of the lathe frame (1), a moving seat (3-3) is slidably connected to the first slideways (3-2), a driving motor (3-4) is installed outside the lathe frame (1), a moving lead screw (3-5) is rotatably connected in the long slot (3-1), and the moving lead screw (3-5) is connected to the output end of the driving motor (3-4).

2. The end surface slotting lathe for machining a mechanical shaft according to claim 1, characterized in that: A pair of extension frames (3-6) are provided on both outer side surfaces of the movable seat (3-3), an upper pressing frame (3-7) is fixedly connected between the extension frames (3-6), a pair of rectangular grooves (3-8) are opened on the top of the movable seat (3-3), and a clamping screw (3-9) is rotatably connected between the rectangular grooves (3-8).

3. The end surface slotting lathe for machining a mechanical shaft according to claim 2, characterized in that: A pair of second slideways (3-10) are arranged in the rectangular groove (3-8), a movable frame (3-11) is slidably connected to the second slideway (3-10), the movable frame (3-11) is connected to the clamping screw (3-9) by threaded matching, and a clamping frame (3-12) is arranged on the top of the movable frame (3-11).

4. The end surface slotting lathe for machining a mechanical shaft according to claim 3, characterized in that: A clamping motor (3-13) is installed at the bottom of the movable seat (3-3), and a transmission gear (3-14) is provided at the output end of the clamping motor (3-13) and one end of the clamping screw (3-9). A tilting cover (3-15) is fixedly connected to the side end surface of the movable seat (3-3), and support plates (3-16) are provided at both ends of the tilting cover (3-15).

5. The end surface slotting lathe for machining a mechanical shaft according to claim 1, characterized in that: The slotting assembly (4) comprises a vertical screw (4-1), the vertical screw (4-1) is rotatably connected in the column (2), a second motor (4-2) is arranged at the bottom of the lathe frame (1), an output end of the second motor (4-2) is connected to the vertical screw (4-1), and a guide rod (4-3) is arranged in the column (2).

6. The end surface slotting lathe for machining a mechanical shaft according to claim 5, characterized in that: The guide rod (4-3) is externally slidably sleeved and connected to a lifting frame (4-4); the lifting frame (4-4) is connected to the vertical lead screw (4-1) through threaded matching; a slotting motor (4-5) is arranged on the top of the lifting frame (4-4); and a slotting milling cutter (4-6) is installed at the output end of the slotting motor (4-5).

7. The end surface slotting lathe for machining a mechanical shaft according to claim 4, characterized in that: The upper surface of the movable seat (3-3) and the top of the support plate (3-16) are both provided with arc grooves (5).

8. The end surface slotting lathe for machining a mechanical shaft according to claim 6, characterized in that: A cooling pipe (6) and an air pipe (7) are respectively installed at the bottom of the lifting frame (4-4).

9. The end surface slotting lathe for machining a mechanical shaft according to claim 3, characterized in that: The clamping screw (3-9) adopts a double-start thread structure, and the thread directions of the two ends of the clamping screw (3-9) are respectively a positive spiral and a negative spiral.

10. The end surface slotting lathe for machining a mechanical shaft according to claim 3, characterized in that: The upper pressing frame (3-7) is in a V-shaped opening structure as a whole, and the clamping frame (3-12) has a certain inclination angle.

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