Rotary workbench for remanufacturing common gear hobbing machine

Abstract

The utility model relates to the field of gear hobbing machines, in particular to a common gear hobbing machine remanufacturing rotating table which comprises a base, a first rotating groove and a second rotating groove are formed in the two ends of the outer wall of the top of the base respectively, and an oil rotating structure and an auxiliary structure are installed at the positions, located in the first rotating groove and the second rotating groove, of the base respectively. A first driving groove is formed in the outer wall of the base and located at the bottom end of the second rotating groove. The rotating structure comprises a rotating table installed on the outer wall of the first rotating groove, a second driving groove formed in the center of the rotating table, a rotating disc rotationally connected to the outer wall of the top end of the rotating table and a fixing column welded to the center of the outer wall of the top of the rotating disc. The auxiliary structure comprises a supporting rod rotationally connected into the second rotating groove. The adjusting screw rod rotates to drive the rotating plate at one end of the extending plate to descend, the electric push rod drives the rotating plate to descend and make contact with the top end of the fixing column, workpieces can be conveniently limited and prevented from being thrown out, safety is improved, and losses are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hobbing machines, and particularly relates to a remanufactured rotary table for a general hobbing machine. Background Art

[0002] A hobbing machine is one of the most widely used machine tools in gear processing machine tools. Straight teeth, helical cylindrical gears can be cut on a hobbing machine, and worm wheels, sprocket wheels, etc. can also be processed. It is a gear processing machine tool that uses a hob to process straight teeth, helical teeth and herringbone teeth cylindrical gears and worm wheels by the generating method. When using a special hob, this machine tool can also process various special-shaped workpieces such as splines and sprocket wheels;

[0003] The rotary table in a hobbing machine rotates the workpiece during use to assist in hobbing. However, the fixing of the rotary table to the workpiece is relatively unstable, and the unstable fixing of the rotary table causes the workpiece to be easily separated from the rotary table during rotation, seriously resulting in tool breakage and losses. Summary of the Utility Model

[0004] The purpose of the utility model is to address the above-mentioned problems and deficiencies, and propose a remanufactured rotary table for a general hobbing machine: a hydraulic push rod drives a piston to move in an oil cavity, pushing oil to enter the piston groove on the telescopic rod through an oil passage in a distributed manner and pushing the piston on the telescopic rod to move, so that the telescopic rod extends out of the telescopic groove, clamping the workpiece in the fixed column, facilitating the fixing of the workpiece and maintaining the fixing stability of the workpiece, and solving a series of problems caused by unstable fixing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A remanufactured rotary table for a general hobbing machine includes a base. Rotation grooves one and two are respectively opened at both ends of the outer wall of the top of the base, and a rotation structure and an auxiliary structure are respectively installed at the positions of the base corresponding to rotation grooves one and two. A drive groove one is opened at the bottom end of the outer wall of the base at the position of rotation groove two; the rotation structure includes a rotary table installed on the outer wall of rotation groove one, a drive groove two opened at the center of the rotary table, a turntable rotatably connected to the outer wall of the top of the rotary table, and a fixed column welded to the center of the outer wall of the top of the turntable; the auxiliary structure includes a support rod rotatably connected in rotation groove two, an adjustment groove opened on one side outer wall of the support rod, and an adjustment screw rotatably connected to the center of the adjustment groove.

[0007] Preferably, an adjustment motor is installed on the outer wall of the top end of the support rod, and the output shaft of the adjustment motor is connected to one end of the adjustment screw. A servo motor one is installed on the inner wall of the drive groove one, and the output shaft of the servo motor one is connected to the center of the bottom end of the support rod.

[0008] Preferably, an extension plate is threadedly connected to the outer wall of the adjusting screw, and one end of the extension plate is slidably connected to the inner wall of the adjusting groove and the outer wall of the support rod. An electric push rod is installed at the other end of the extension plate, and a rotating plate is rotatably connected to one end of the electric push rod.

[0009] Preferably, an oil cavity is provided at the center of the fixed column, and an installation groove is formed in the outer wall of the top end of the turntable at the bottom end of the oil cavity. A hydraulic push rod is installed in the installation groove, and equidistantly distributed telescopic grooves are formed in the outer wall of the fixed column.

[0010] Preferably, a telescopic rod is slidably connected in the telescopic groove, and grooves are formed at both ends of the outer wall of one side of the telescopic rod. Springs are welded in the telescopic rod in the grooves, and the other ends of the springs are installed on the inner wall of the telescopic groove.

[0011] Preferably, piston grooves are formed at the centers of the fixed column corresponding to the telescopic grooves, and pistons are installed on one end of the outer wall of the telescopic rod and one end of the hydraulic push rod respectively. The pistons are slidably connected to the inner walls of the piston grooves and the oil cavity respectively. An oil passage is formed at one end of the fixed column corresponding to the piston groove, and the other end of the oil passage communicates with the oil cavity.

[0012] Preferably, a servo motor II is installed on the inner wall of the driving groove II of the rotating table, and the output shaft of the servo motor II is connected to the center of the turntable.

[0013] Preferably, the servo motor II, the servo motor I, the hydraulic push rod, the adjusting motor and the electric push rod are connected to a switch through wires, and the switch is connected to a power supply through wires.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. The hydraulic push rod drives the piston to move in the oil cavity, pushing the oil to enter the piston grooves distributively through the oil passage and pushing the piston on the telescopic rod to move, so that the telescopic rod extends out of the telescopic groove, clamping the workpiece in the fixed column, facilitating the fixation of the workpiece and maintaining the fixing stability of the workpiece;

[0016] 2. After the adjusting screw rotates, it drives the rotating plate at one end of the extension plate to descend, and the electric push rod drives the rotating plate to descend and contact the top end of the fixed column, facilitating the limiting of the workpiece, preventing the workpiece from being thrown out, improving safety and avoiding losses;

[0017] 3. After the servo motor I is started, it drives the support rod to rotate, and the support rod turns on the base so that the rotating plate is located at the outer wall of the top end of the fixed column, facilitating the placement and removal of the workpiece and increasing the operating space. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic cross-sectional structure diagram of the turntable of a remanufactured rotary table of a common hobbing machine proposed by the present utility model;

[0019] Figure 2 Schematic structural diagram of the support rod of the remanufactured rotary table of a general hobbing machine proposed by the present utility model;

[0020] Figure 3 Schematic cross-sectional structural diagram of the fixed column of the remanufactured rotary table of a general hobbing machine proposed by the present utility model;

[0021] Figure 4 Schematic cross-sectional structural diagram of the base of the remanufactured rotary table of a general hobbing machine proposed by the present utility model;

[0022] Figure 5 Schematic overall structural diagram of the remanufactured rotary table of a general hobbing machine proposed by the present utility model.

[0023] In the figure: 1 base, 2 first rotation groove, 3 rotation structure, 4 second rotation groove, 5 auxiliary structure, 6 first drive groove, 7 first servo motor, 8 support rod, 9 adjustment groove, 10 adjustment screw, 11 adjustment motor, 12 extension plate, 13 electric push rod, 14 rotation plate, 15 rotary table, 16 second servo motor, 17 turntable, 18 fixed column, 19 oil cavity, 20 installation groove, 21 hydraulic push rod, 22 telescopic groove, 23 piston groove, 24 telescopic rod, 25 spring, 26 piston, 27 oil passage. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0025] Embodiment 1:

[0026] Refer to Figure 2 and Figures 4 - 5 , a remanufactured rotary table of a general hobbing machine includes a base 1. The two ends of the top outer wall of the base 1 are respectively provided with a first rotation groove 2 and a second rotation groove 4, and a rotation structure 3 and an auxiliary structure 5 are respectively installed at the positions of the base 1 corresponding to the first rotation groove 2 and the second rotation groove 4. A first drive groove 6 is opened at the bottom end of the outer wall of the base 1 corresponding to the second rotation groove 4;

[0027] The auxiliary structure 5 includes a support rod 8 rotatably connected in the second rotation groove 4, an adjustment groove 9 opened on one side outer wall of the support rod 8, and an adjustment screw 10 rotatably connected at the center of the adjustment groove 9;

[0028] The outer wall of the top end of the support rod 8 is provided with an adjustment motor 11, and the output shaft of the adjustment motor 11 is connected to one end of the adjustment screw rod 10. The inner wall of the drive groove 1 6 is provided with a servo motor 1 7, and the output shaft of the servo motor 1 7 is connected to the center of the bottom end of the support rod 8. One end of the electric push rod 13, the rotating plate 14, contacts the fixed column 18 to limit the workpiece on the fixed column 18 and prevent the workpiece from being thrown out. The rotating plate 14 rotates along with the rotation of the turntable 17;

[0029] The outer wall of the adjustment screw rod 10 is threadedly connected with an extension plate 12, and one end of the extension plate 12 is slidably connected to the inner wall of the adjustment groove 9 and the outer wall of the support rod 8. The other end of the extension plate 12 is provided with an electric push rod 13, and one end of the electric push rod 13 is rotatably connected with a rotating plate 14. The servo motor 1 7 starts when removing or placing the workpiece, driving the support rod 8 to rotate so that the extension plate 12 and the rotating plate 14 leave the position of the rotating table 15, facilitating the removal and placement of the workpiece.

[0030] Embodiment 2:

[0031] Refer to Figure 1 、 Figure 3 and Figure 5 The rotating structure 3 includes a rotating table 15 installed on the outer wall of the rotating groove 1 2, a drive groove 2 opened at the center of the rotating table 15, a turntable 17 rotatably connected to the outer wall of the top end of the rotating table 15, and a fixed column 18 welded to the center of the outer wall of the top of the turntable 17;

[0032] An oil cavity 19 is provided at the center of the fixed column 18, and an installation groove 20 is opened at the bottom end of the oil cavity 19 on the outer wall of the turntable 17. A hydraulic push rod 21 is installed in the installation groove 20, and equidistantly distributed telescopic grooves 22 are opened on the outer wall of the fixed column 18;

[0033] A telescopic rod 24 is slidably connected in the telescopic groove 22, and grooves are opened at both ends of one side outer wall of the telescopic rod 24. A spring 25 is welded in the telescopic rod 24 in the groove, and the other end of the spring 25 is installed on the inner wall of the telescopic groove 22. The hydraulic push rod 21 pushes the oil into the piston groove 23 through the piston 26, and the oil pushes the piston 26 on the telescopic rod 24 to move in the piston groove 23, so that the telescopic rod 24 extends out of the telescopic groove 22 to clamp the workpiece, facilitating clamping and improving the clamping stability;

[0034] A piston groove 23 is provided at the center of the telescopic groove 22 of the fixed column 18. A piston 26 is installed on the outer wall of one end of the telescopic rod 24 and one end of the hydraulic push rod 21. The pistons 26 are respectively slidably connected to the inner walls of the piston groove 23 and the oil chamber 19. An oil passage 27 is provided at one end of the fixed column 18 where the piston groove 23 is located, and the other end of the oil passage 27 communicates with the oil chamber 19. When the hydraulic push rod 21 contracts through the piston 26, the oil in the piston groove 23 is pumped back into the oil chamber 19 through the oil passage 27. The telescopic rod 24 returns to the telescopic groove 22 under the pumping of the hydraulic push rod 21, releasing the workpiece. The spring 25 assists in pulling the telescopic rod 24 back into the telescopic groove 22.

[0035] A servo motor two 16 is installed on the inner wall of the driving groove two of the rotating table 15, and the output shaft of the servo motor two 16 is connected to the center of the turntable 17.

[0036] The servo motor two 16, the servo motor one 7, the hydraulic push rod 21, the adjusting motor 11 and the electric push rod 13 are connected to the switch through wires, and the switch is connected to the power supply through wires.

[0037] Working principle: During use, the workpiece to be processed is sleeved in the fixed column 18 on the turntable 17. The hydraulic push rod 21 is started to drive the piston 26 to move upward from bottom to top inside the oil chamber 19, pushing the oil in the oil chamber 19 into the oil passage 27. The oil enters the piston groove 23 through the oil passage 27 distributively and pushes the piston 26 on the telescopic rod 24 to move, so that the telescopic rod 24 extends out of the telescopic groove 22 of the fixed column 18. The telescopic rod 24 stretches the spring 25 and clamps the workpiece in the fixed column 18. After the servo motor one 7 is started, it drives the support rod 8 to rotate. The support rod 8 turns on the base 1 so that the rotating plate 14 is located at the outer wall of the top end of the fixed column 18. The adjusting motor 11 is started to drive the adjusting screw 10 to rotate. After the adjusting screw 10 rotates, it drives the rotating plate 14 at one end of the extension plate 12 to descend. After reaching the position, the electric push rod 13 is started. The electric push rod 13 drives the rotating plate 14 to descend and contact the top end of the fixed column 18. After the servo motor two 16 is started, it drives the turntable 17 to rotate in the rotating table 15, thereby driving the workpiece to rotate. At this time, the tool rotates and contacts the workpiece for tooth processing.

[0038] The exemplary embodiments of the present utility model are described in detail with reference to the embodiments in the text. However, those skilled in the art can understand that, without departing from the concept of the present utility model, various modifications and alterations can be made to the above specific embodiments, and various combinations can be made to the technical features and structures proposed by the present utility model, without exceeding the protection scope of the present utility model. The protection scope of the present utility model is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present utility model is not intended to limit the present utility model to the precise forms disclosed, and it is obvious that many changes and variations can be made in accordance with the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present utility model and its practical applications, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the present utility model, as well as various different selections and alterations. The scope of the present utility model is intended to be defined by the claims and their equivalents.

Claims

1. A conventional gear hobbing machine remanufacturing rotary table, comprising a base (1), characterized in that: The top outer wall of the base (1) is provided with a rotation groove 1 (2) and a rotation groove 2 (4) at both ends thereof, and the base (1) is provided with a rotation structure (3) and an auxiliary structure (5) at the rotation groove 1 (2) and the rotation groove 2 (4) respectively, and the outer wall of the base (1) is provided with a driving groove 1 (6) at the bottom end of the rotation groove 2 (4); The rotating structure (3) comprises a rotating platform (15) mounted on the outer wall of the rotating groove (2), a driving groove (2) provided at the center of the rotating platform (15), a rotating disk (17) rotatably connected to the outer wall of the top end of the rotating platform (15), and a fixing column (18) welded at the center of the outer wall of the top end of the rotating disk (17); The auxiliary structure (5) comprises a support rod (8) rotatably connected to the second rotating groove (4), an adjustment groove (9) provided on an outer wall of one side of the support rod (8), and an adjustment screw (10) rotatably connected to the center of the adjustment groove (9).

2. A common gear hobbing machine remanufacturing rotary table according to claim 1, characterized in that: An adjusting motor (11) is installed on the outer wall of the top end of the support rod (8), and the output shaft of the adjusting motor (11) is connected to one end of the adjusting screw rod (10); a servo motor (7) is installed on the inner wall of the driving groove (6), and the output shaft of the servo motor (7) is connected to the center of the bottom end of the support rod (8).

3. A common gear hobbing machine remanufacturing rotary table according to claim 1, characterized in that: The outer wall of the adjusting screw (10) is threadedly connected to an extension plate (12), and one end of the extension plate (12) is slidably connected to the inner wall of the adjusting groove (9) and the outer wall of the support rod (8), and the other end of the extension plate (12) is installed with an electric push rod (13), and one end of the electric push rod (13) is rotatably connected to a rotating plate (14).

4. A common gear hobbing machine remanufacturing rotary table according to claim 1, characterized in that: An oil chamber (19) is provided at the center of the fixed column (18), and a mounting groove (20) is provided on the outer wall of the top end of the turntable (17) at the bottom end of the oil chamber (19), a hydraulic push rod (21) is installed in the mounting groove (20), and telescopic grooves (22) distributed at equal distances are provided on the outer wall of the fixed column (18).

5. A common gear hobbing machine remanufacturing rotary table according to claim 4, characterized in that: A telescopic rod (24) is slidably connected in the telescopic slot (22), and grooves are provided at both ends of an outer wall of one side of the telescopic rod (24). A spring (25) is welded in the groove of the telescopic rod (24), and the other end of the spring (25) is installed on the inner wall of the telescopic slot (22).

6. A common gear hobbing machine remanufacturing rotary table according to claim 4, characterized in that: The fixed column (18) is provided with a piston groove (23) at the center of the telescopic groove (22), and a piston (26) is installed on the outer wall of one end of the telescopic rod (24) and one end of the hydraulic push rod (21), and the piston (26) is slidably connected to the piston groove (23) and the inner wall of the oil chamber (19), respectively. The fixed column (18) is provided with an oil passage (27) at one end of the piston groove (23), and the other end of the oil passage (27) is connected to the oil chamber (19).

7. A common gear hobbing machine remanufacturing rotary table according to claim 1, characterized in that: The rotating platform (15) is located on the inner wall of the second driving groove and is equipped with a second servo motor (16), and the output shaft of the second servo motor (16) is connected to the center of the rotating disk (17).

8. A common gear hobbing machine remanufacturing rotary table according to claim 7, characterized in that: The servo motor 2 (16), the servo motor 1 (7), the hydraulic push rod (21), the regulating motor (11) and the electric push rod (13) are connected to a switch via wires, and the switch is connected to a power source via wires.

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