Gear milling machine

Abstract

The utility model belongs to the technical field of gear machining, and particularly relates to a gear milling machine which comprises a workbench, a fixed seat, a rotary seat, a rotary driving piece and milling cutter equipment are arranged at the top end of the workbench, the rotary seat is arranged at the top of the fixed seat, the output end of the rotary driving piece penetrates through the fixed seat to be connected with the rotary seat, and the rotary seat can clamp limiting rods with different diameters. The limiting rod is used for fixing a to-be-machined gear; a stand column is further fixedly installed on the workbench, a motor is arranged on the stand column, and the output end of the motor is connected with a rotating piece used for rotating and positioning the limiting rod. And the milling cutter equipment is arranged on one side of the fixed seat. Due to the fact that the rotating base can clamp the limiting rods with different diameters, the gears with different inner diameters are fixed, the machining range of the gear milling machine is widened, and the production cost of the gears is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear processing technical field, especially relate to a gear milling machine. BACKGROUND

[0002] Gear milling machine can use milling cutter or milling cutter disc to process gear or rack tooth surface, on gear milling machine can cut straight tooth, helical tooth cylindrical gear, also can process worm wheel, sprocket etc., because milling cutter is mainly rotating, supplement with the feed movement of milling head or workbench, workpiece can obtain the required processing surface.

[0003] For example, the patent literature with publication number CN108971656A discloses a kind of high-precision gear and rack gear milling machine, including support frame and gear milling machine box, the outer side of the two edges of support frame is equipped with vertical guide rail, vertical guide rail is equipped with movable bearing platform, the upper surface of movable bearing platform is equipped with rotating disc by being installed with recess in middle part, the upper surface center of rotating disc is equipped with threaded hole, rotating disc is equipped with positioning pin outside threaded hole, the upper surface of one end of movable bearing platform is equipped with gear by being installed with rotating shaft, movable bearing platform is equipped with roller outside gear by being installed with rotating shaft, and the other end of movable bearing platform is also equipped with roller, the lower surface of movable bearing platform is equipped with first motor in middle part, the output of first motor is connected with the lower surface of rotating disc through the middle part of movable bearing platform, gear milling machine box is installed in the middle part of the upper end outer side surface of support frame, and milling cutter is installed on one side of gear milling machine box.

[0004] In the technical scheme of the above patent literature, the gear raw material to be processed is installed on the outer side of fixed rod through shaft hole, is fixed away by being connected with the side surface of raw material through positioning pin, and is processed into tooth shape by rotating milling cutter motor to drive milling cutter.But the diameter of fixed rod is fixed, and fixed rod and positioning pin can only fix gears with the same inner diameter, so it is inconvenient to fix gears with different inner diameters, and the application range of gear milling machine is reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of gear milling machine, solve the problem that the existing gear milling machine can only be clamped and fixed gear with the same inner diameter, cannot fix gear with different inner diameters, reduce the processing range of gear milling machine.

[0006] To achieve the above object, the utility model embodiment provides a kind of gear milling machine, including workbench, the top of workbench is equipped with fixed seat, rotating seat, rotating drive part and milling cutter equipment, the rotating seat is located in the top of fixed seat, the output of rotating drive part is connected with rotating seat by passing through fixed seat, the rotating seat can be clamped and fixed limit rod of different diameters, and the limit rod is used to fix gear to be processed;Workbench is also fixedly installed with stand, and motor is equipped on stand, and rotating part is connected on the output of motor, for rotating and positioning limit rod;Milling cutter equipment is located in one side of fixed seat.

[0007] Further, the rotating seat is provided with a through hole, one end of the limiting rod extends into the through hole, and the top side of the rotating seat is provided with a clamp for clamping and fixing the limiting rod.

[0008] Further, the clamp is a clamping block, the top side of the rotating seat is provided with a groove, the groove penetrates to the through hole, and the clamping block is detachably installed in the groove; the bottom end of the clamping block is provided with a clamping block, and the groove is provided with a corresponding clamping groove; the number of clamping grooves is greater than the number of clamping blocks, so that the clamping block extends into or away from the through hole.

[0009] Further, the number of clamping blocks is three, which are installed at equal angles in the groove for limiting the limiting rod.

[0010] Further, the bottom end of the rotating part is a conical mechanism for pressing the top of the limiting rod.

[0011] Further, the milling cutter device comprises a lifting mechanism and a milling cutter mechanism, the lifting mechanism is arranged at the bottom side of the workbench, and the lifting mechanism is connected with the milling cutter mechanism and used for driving the milling cutter mechanism to move up and down.

[0012] Further, the milling cutter mechanism comprises a telescopic driving piece, a mounting frame and a milling cutter, one end of the telescopic driving piece is fixedly installed on the mounting frame, the output end of the telescopic driving piece is connected with the milling cutter, and the milling cutter faces the limiting rod.

[0013] Further, the milling cutter device is provided with two groups, which are arranged at two ends of the fixed seat respectively.

[0014] The above one or more technical solutions in the gear milling machine provided by the embodiment of the utility model have at least the following technical effects:

[0015] Because the workbench top end is provided with a fixed seat, the top of the fixed seat is provided with a rotating seat, the output end of the rotating driving piece penetrates through the fixed seat and is connected with the rotating seat, and is used for driving the rotating seat to rotate. Because the rotating seat can clamp the limiting rod, the limiting rod is used for fixing the gear to be machined, the output end of the motor arranged on the stand is connected with a rotating part, the rotating part rotates and positions the limiting rod, so that when the rotating driving piece drives the rotating seat to rotate together with the limiting rod and the gear, the limiting rod rotates around the central axis, thereby avoiding the deviation of the limiting rod, ensuring the machining precision of the milling cutter device, and the rotation of the gear facilitating the milling cutter device to machine different positions on the outside of the gear until the outside of the gear is completely machined. Because the rotating seat can clamp limiting rods of different diameters, and then fix gears of different inner diameters, the machining range of the gear milling machine is increased, and the production cost of the gear is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Fig. 1 The three-dimensional view of the gear milling machine provided by the embodiment of the present application is provided.

[0018] Fig. 2 The structure diagram of the clamp of the gear milling machine provided by the embodiment of the present application is provided.

[0019] Fig. 3 The sectional view of the gear milling machine provided by the embodiment of the present application is provided.

[0020] In the figure, 100, workbench, 110, fixed seat, 120, stand, 121, motor, 122, rotating part; 200, rotating seat, 210, limiting rod, 220, rotating driving part, 230, through hole, 240, clamp, 241, clamping block, 250, groove, 251, clamping groove;

[0021] 300, milling cutter equipment, 310, lifting mechanism, 320, milling cutter mechanism, 321, telescopic driving part, 322, mounting frame, 323, milling cutter;

[0022] 400, gear. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In addition, the terms "first", "second", "third", "fourth" and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily presented chronologically. It is to be understood that the terms so used are interchangeable under appropriate circumstances and embodiments. Likewise, "high", "low", "top", "bottom", "right", "left", "vertical", "horizontal", and the like in the description and in the claims, are used for clarity in only a relative sense and not by absolute sense, depending upon the circumstances. It is also to be understood that the terms so used are interchangeable under appropriate circumstances and embodiments.

[0026] In the embodiments of the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] In an embodiment of the present application, please refer to Figs. 1-3 The gear milling machine comprises a workbench 100, a fixed seat 110, a rotating seat 200, a rotating driving member 220 and a milling cutter device 300 are arranged at the top end of the workbench 100, the rotating seat 200 is arranged at the top of the fixed seat 110, the output end of the rotating driving member 220 is connected with the rotating seat 200 through the fixed seat 110, the rotating seat 200 can clamp different diameter limit rods 210, and the limit rod 210 is used for fixing a gear to be machined 400. The workbench 100 is further fixedly provided with a stand column 120, the stand column 120 is provided with a motor 121, the output end of the motor 121 is connected with a rotating member 122, and the rotating member 122 is used for rotating and positioning the limit rod 210. The milling cutter device 300 is arranged on one side of the fixed seat 110.

[0028] Specifically, the workbench 100 is provided with a fixed seat 110 at the top end, the fixed seat 110 is provided with a rotating seat 200 at the top, the output end of the rotating drive 220 is connected with the rotating seat 200 through the fixed seat 110, and the rotating seat 200 is used for driving the rotating seat 200 to rotate. Since the rotating seat 200 can clamp the limiting rod 210, the limiting rod 210 is used for fixing the gear 400 to be processed, the output end of the motor 121 arranged on the stand is connected with the rotating part 122, the rotating part 122 rotates and positions the limiting rod 210, so that when the rotating drive 220 drives the rotating seat 200 to drive the limiting rod 210 and the gear 400 to rotate together, the limiting rod 210 rotates around the central axis, thereby avoiding the deviation of the limiting rod 210, ensuring the precision of the milling cutter equipment 300, and the rotation of the gear 400 facilitates the milling cutter equipment 300 to process different positions on the outside of the gear 400 until the outside of the gear 400 is completely processed. Since the rotating seat 200 can clamp the limiting rod 210 of different diameters, and then fix the gear 400 of different inner diameters, the processing range of the gear milling machine is increased, and the production cost of the gear 400 is reduced.

[0029] Further, the rotating seat 200 is provided with a through hole 230 at the center, one end of the limiting rod 210 extends into the through hole 230, and the rotating seat 200 is provided with a clamp 240 at the top side, which is used for clamping and fixing the limiting rod 210. Specifically, one end of the limiting rod 210 extends into the through hole 230, and the clamp 240 at the top side of the rotating seat clamps the outer wall of the limiting rod 210, so that the limiting rod 210 is stably arranged in the rotating seat 200.

[0030] Further, the clamp 240 is a clamping block, the rotating seat 200 is provided with a groove 250 at the top side, the groove 250 penetrates to the through hole 230, and the clamping block is detachably arranged in the groove 250. The bottom end of the clamping block 240 is provided with a clamping block 241, and the groove 250 is provided with a corresponding clamping groove 251, the number of clamping grooves 251 is more than the number of clamping blocks 241, so that the clamping block 240 extends into or away from the through hole 230. Specifically, the bottom end of the clamping block 240 is provided with a clamping block 241, and the groove 250 is provided with a corresponding clamping groove 251, and the clamping block 240 is detachably arranged in the groove 250 through the clamping of the clamping block 241 and the clamping groove 251. Since the number of clamping grooves 251 is more than the number of clamping blocks 241, one end of the clamping block 240 extends into different positions of the through hole 230, and then the limiting rod 210 of different diameters is limited in the through hole 230.

[0031] Further, the number of clamping blocks 240 is three, which are equally angularly arranged in the groove 250, and are used for limiting the limiting rod 210. Specifically, the three clamping blocks 240 are equally angularly arranged in the groove 250 at the top side of the rotating seat, forming a triangular support structure, stably supporting the limiting rod 210, and limiting it between the clamping blocks 240.

[0032] Further, the bottom end of the rotating member 122 is a conical mechanism for pressing against the top of the limiting rod 210. Specifically, the conical structure reduces the contact area between the rotating member 122 and the limiting rod 210, increases the pressure, and maintains the stability of the connection.

[0033] Further, the milling cutter device 300 comprises a lifting mechanism 310 and a milling cutter mechanism 320. The lifting mechanism 310 is arranged at the bottom side of the workbench 100 and is connected to the milling cutter mechanism 320 for driving the milling cutter mechanism 320 to move up and down. Specifically, the lifting mechanism 310 drives the milling cutter mechanism 320 to move up and down, so that the milling cutter mechanism 320 can complete the machining of the gear 400 from the top end to the bottom end.

[0034] Further, the milling cutter mechanism 320 comprises a telescopic driving member 321, a mounting frame 322, and a milling cutter 323. One end of the telescopic driving member 321 is fixedly installed on the mounting frame 322, and the output end of the telescopic driving member 321 is connected to the milling cutter 323, which faces the limiting rod 210. Specifically, the telescopic driving member 321 is connected to the milling cutter 323, which faces the limiting rod 210, and drives the milling cutter 323 to machine gear 400 with different depths of tooth grooves and different inner diameters of gear 400 tooth grooves.

[0035] Further, the milling cutter device 300 is provided with two groups, which are arranged at both ends of the fixed seat 110. Specifically, the two groups of milling cutter devices 300 together machine the gear 400 fixed on the limiting rod, and the rotating seat 200 rotates half a circle to complete the machining of the entire gear 400, thereby improving the production efficiency.

[0036] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gear milling machine, characterized in that: The device includes a worktable, with a fixed base, a rotating base, a rotary drive, and a milling cutter at the top. The rotating base is located on top of the fixed base, and the output end of the rotary drive passes through the fixed base and connects to the rotating base. The rotating base can clamp limit rods of different diameters, which are used to fix the gear to be processed. The worktable is also fixedly mounted with a column, on which a motor is mounted. The output end of the motor is connected to a rotating component for rotating and positioning the limit rods. The milling cutter is located on one side of the fixed base.

2. The gear milling machine according to claim 1, characterized in that: The rotating seat has a through hole at its center, and one end of the limiting rod extends into the through hole. The top side of the rotating seat is also provided with a clamp for clamping and fixing the limiting rod.

3. The gear milling machine according to claim 2, characterized in that: The clamp is a clamping block. The top side of the rotating seat is provided with a groove that extends through the through hole. The clamping block is detachably installed in the groove. The bottom end of the clamping block is provided with a locking block. The groove is provided with a corresponding locking slot. The number of locking slots is greater than the number of locking blocks, so that the clamping block extends into or away from the through hole.

4. The gear milling machine according to claim 3, characterized in that: The number of clamping blocks is three, which are installed at equal angles in the groove to limit the position of the limiting rod.

5. The gear milling machine according to claim 1, characterized in that: The bottom end of the rotating component is a tapered mechanism used to press against the top of the limiting rod.

6. The gear milling machine according to any one of claims 1 to 5, characterized in that: The milling cutter device includes a lifting mechanism and a milling cutter mechanism. The lifting mechanism is located on the bottom side of the worktable and is connected to the milling cutter mechanism, which is used to drive the milling cutter mechanism to move up and down.

7. The gear milling machine according to claim 6, characterized in that: The milling cutter mechanism includes a telescopic drive component, a mounting bracket, and a milling cutter. One end of the telescopic drive component is fixedly mounted on the mounting bracket, and the output end of the telescopic drive component is connected to the milling cutter. The milling cutter faces the limiting rod.

8. The gear milling machine according to claim 1, characterized in that: The milling cutter device has two sets, which are respectively located at both ends of the fixed base.

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