Gear key groove machining assembly

Abstract

The utility model relates to the technical field of gear machining, in particular to a gear key groove machining assembly which comprises a bottom plate and a containing plate used for containing a gear, the containing plate is arranged over the bottom plate, and a through hole penetrating through the containing plate is formed in the containing plate. A conical rod used for pushing the four moving rods to be attached to the inner wall of the gear is arranged over the four moving rods, four conical grooves used for containing the moving rods are formed in the conical rod, and a supporting plate of an L-shaped structure is slidably arranged on the containing plate. According to the gear fixing device, through rotation of the conical rod, the conical groove and the moving rod are located under the same projection plane, in the downward moving process of the conical rod, the moving rod is extruded through different hole diameters of the conical groove, the moving rod is attached to the inner wall of a gear, and fixing of gears of different sizes is completed; the time wasted by replacing different fixing devices for replacing different gears is avoided, and the gear key groove machining efficiency is improved conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear machining technical field especially relates to a gear key groove machining subassembly. BACKGROUND

[0002] Gear key groove machining is a key process in mechanical manufacturing, which is used for machining a groove matched with a key on a gear shaft to ensure reliable connection and power transmission between the gear and the shaft.

[0003] The existing gear key groove machining technology such as the gear key groove machining subassembly disclosed in the publication No. CN221494489U sets up a key groove on the gear through a slotting mechanism, and the first telescopic cylinder drives the positioning block to move between the adjacent two teeth of the gear to avoid rotation of the gear in the horizontal direction and displacement of the gear in the vertical direction to a certain extent, but the following problems exist in use.

[0004] The gear is positioned by the positioning block to avoid rotation and displacement of the gear, but the diameter of the positioning pipe is fixed, the gear of different sizes cannot be adaptively fixed, different pipe diameters of the positioning pipe need to be replaced to fix the gear, and manpower and time cost need to be invested in the process of replacing the positioning pipe, which seriously affects the gear key groove machining efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the gear of different sizes cannot be adaptively fixed in the prior art and provides a gear key groove machining subassembly.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A gear key groove machining subassembly, comprising a bottom plate and a placing plate for placing a gear, the placing plate is arranged directly above the bottom plate, and a through hole penetrating through the placing plate is formed in the placing plate, four moving rods for fixing gears of different sizes are arranged at equal intervals in the through hole of the placing plate, a conical rod for pushing the inner wall of the gear and the four moving rods is arranged directly above the four moving rods, four conical grooves for placing the moving rods are formed in the conical rod, an L-shaped support plate is slidably arranged on the placing plate, a hydraulic cylinder is fixedly installed on the support plate, and a slotting cutter for cutting a key groove is fixedly installed on the output end of the hydraulic cylinder.

[0008] Preferably, a rotating shaft is rotatably installed on the bottom plate, an installation plate is fixedly installed on the upper end of the rotating shaft, four equidistantly arranged limiting frames are fixedly installed on the upper end of the installation plate, and a limiting column is slidably arranged in each of the four limiting frames, a spring fixedly connected with the limiting frame is fixedly installed on the outer wall of each of the four limiting columns, and the upper end of each of the four limiting columns is fixedly connected with the bottom end of a moving rod.

[0009] Preferably, a support frame in a shape of a Chinese character is fixedly installed on the bottom plate, an electric telescopic rod is fixedly installed on the support frame, a driving motor is fixedly installed on the bottom end of the electric telescopic rod, and the output end of the driving motor is fixedly connected with the upper end of the conical rod.

[0010] Preferably, two symmetrically arranged second fixed plates are fixedly installed on the side walls of the placing plate, a hydraulic rod is fixedly installed on the inner wall of each of the two second fixed plates, and a positioning block for positioning the gear is fixedly installed on the end of each of the two hydraulic rods.

[0011] Preferably, a guide groove in a 45° inclination and used for limiting the moving direction of the gear is formed in the placing plate, a first fixed plate is fixedly installed on the placing plate, two electric push rods are fixedly installed on the first fixed plate, and a push plate for pushing the gear to the guide groove is fixedly installed on the end portions of the two electric push rods.

[0012] Preferably, a collecting box for collecting the gear sliding out of the guide groove is fixedly installed on the bottom plate, and four equidistantly arranged lifting rods for supporting the placing plate are fixedly installed between the bottom plate and the placing plate.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1、The utility model discloses a conical rod is rotated, makes conical groove and moving rod in the same projection plane, makes moving rod and the inner wall of gear stick to the process of conical rod going down through the aperture of conical groove extruding, completes the fixing of gear of different sizes, avoids the time wasted for replacing different fixed equipment when replacing different gears, and facilitates the improvement of gear key groove processing efficiency.

[0015] 2、The utility model discloses through the lifting rod and promotes the placing plate and moves up, makes moving rod and releases the location of gear, then through the push plate and pushes the gear to the guide groove, makes the gear and slides in the collecting box, completes the automatic collection of gear. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of gear key groove processing assembly of the utility model;

[0017] Figure 2 A schematic view of a tapering rod and a tapering slot of a gear key slot machining assembly is provided for the utility model;

[0018] Figure 3 A partial cutaway schematic view of a gear key slot machining assembly is provided for the utility model;

[0019] Figure 4 A cutting slot cutter and a collection box schematic view of a gear key slot machining assembly is provided for the utility model.

[0020] In the figure: 1, bottom plate; 2, support frame; 3, electric telescopic rod; 4, drive motor; 5, tapering rod; 6, tapering slot; 7, rotating shaft; 8, mounting plate; 9, limiting frame; 10, limiting column; 11, limiting rod; 12, spring; 13, moving rod; 14, lifting rod; 15, placing plate; 16, first fixed plate; 17, electric push rod; 18, second fixed plate; 19, hydraulic rod; 20, positioning block; 21, support plate; 22, hydraulic cylinder; 23, cutting slot cutter; 24, guide slot; 25, collection box; 26, push plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Reference Figures 1-4 A gear key slot machining assembly, including bottom plate 1 and the placing plate 15 for placing gear, placing plate 15 is set to the bottom plate 1 directly above, and the through hole that is set up in placing plate 15 is directly above, the through hole in placing plate 15 is provided with four equidistance and is used for fixing the moving rod 13 of different size gear, four moving rods 13 are directly above and are provided with a tapering rod 5 for pushing four moving rods 13 and the inner wall of gear is pasted, and four tapering slots 6 for placing moving rod 13 are set up on tapering rod 5, through the rotation of tapering rod 5, four tapering slots 6 are placed respectively in four moving rods 13 directly above, through the downward movement of tapering rod 5, four moving rods 13 are placed respectively in four tapering slots 6, through the rotation of tapering rod 5, moving rod 13 is driven synchronously to rotate gear, two positioning blocks 20 are moved to the teeth between gear, and gear is fixed, in order to make cutting slot cutter 23 to the key slot processing of different size gear, through the sliding of support plate 21 on placing plate 15, the position of cutting slot cutter 23 is changed, so that cutting slot cutter 23 carries out the key slot processing of different size gear, the support plate 21 of L type structure is slidably arranged on placing plate 15, hydraulic cylinder 22 is fixedly installed on support plate 21, and cutting slot cutter 23 for cutting key slot is fixedly installed on the output end of hydraulic cylinder 22.

[0023] In order to make the four moving rods 13 rotate with the tapered rod 5, the rotating shaft 7 is rotatably installed on the base plate 1, the rotating shaft 7 is fixedly installed on the upper end of the rotating shaft 7, the four equidistantly arranged limiting frames 9 are fixedly installed on the upper end of the mounting plate 8, the limiting columns 10 are slidably arranged in the four limiting frames 9, and the moving rods 13 are slidably arranged in the limiting frames 9 to the initial position through the extension and contraction of the springs 12. The four limiting columns 10 are fixedly installed on the outer wall of the four limiting frames 9, and the four limiting columns 10 are fixedly connected with the four moving rods 13 at the upper end of the four limiting columns 10. The limiting rods 11 are fixedly installed on the inner wall of the four limiting frames 9, and the limiting rods 11 are symmetrically arranged and used for limiting the limiting columns 10.

[0024] The support frame 2 in the shape of a Chinese character is fixedly installed on the base plate 1, the electric telescopic rod 3 is fixedly installed on the support frame 2, the driving motor 4 is fixedly installed at the bottom end of the electric telescopic rod 3, and the output end of the driving motor 4 is fixedly connected with the upper end of the tapered rod 5.

[0025] The second fixed plates 18 are fixedly installed on the both side walls of the placing plate 15, the hydraulic rods 19 are fixedly installed on the inner wall of the two second fixed plates 18, and the positioning blocks 20 for positioning the gear are fixedly installed on the end portions of the two hydraulic rods 19.

[0026] The guide groove 24 in the shape of 45° inclination and used for limiting the moving direction of the gear is formed in the placing plate 15, the first fixed plate 16 is fixedly installed on the placing plate 15, the two electric push rods 17 are fixedly installed on the first fixed plate 16, and the push plate 26 for pushing the gear to the guide groove 24 is fixedly installed on the end portions of the two electric push rods 17.

[0027] The collecting box 25 for collecting the gear sliding out of the guide groove 24 is fixedly installed on the base plate 1, and the lifting rods 14 for supporting the placing plate 15 are fixedly installed between the base plate 1 and the placing plate 15.

[0028] The function principle of the utility model can be described by the following operation mode:

[0029] In use, the gear is placed on the placing plate 15, the tapered rod 5 is rotated through the rotation of the driving motor 4, the four tapered grooves 6 formed on the outer wall of the tapered rod 5 are respectively arranged on the same projection plane with the four moving rods 13, the tapered rod 5 is moved towards the mounting plate 8 through the extension and contraction of the electric telescopic rod 3, the interval between the four moving rods 13 is expanded when the tapered rod 5 is moved downwards in the four moving rods 13, the outer wall of the four moving rods 13 is attached to the inner wall of the gear, and different sizes of gears are fixedly installed.

[0030] The interval between the two positioning blocks 20 is gradually reduced by the synchronous extension and contraction of the two hydraulic rods 19, the two positioning blocks 20 are placed between the teeth of the gear, the gear is rotationally limited, the gear is prevented from rotating during the slotting process, the slotting cutter 23 is lowered by the extension and contraction of the hydraulic cylinder 22, the gear key slot is machined, when the machining is completed, the placement plate 15 is raised by the lifting of the lifting rod 14, the height of the ground of the placement plate 15 is higher than the height of the top end of the moving rod 13, the gear is pushed towards the guide groove 24 by the push plate 26 through the extension and contraction of the electric push rod 17, the gear is slid into the collecting box 25, and the collection of the gear is completed.

[0031] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A gear keyway machining assembly comprising a base plate (1) and a placement plate (15) for placing a gear, characterized in that, The placing plate (15) is arranged above the bottom plate (1), and a through hole is formed in the placing plate (15), four moving rods (13) for fixing gears of different sizes are arranged in the through hole of the placing plate (15), a conical rod (5) is arranged above the four moving rods (13) and is used for pushing the inner wall of the four moving rods (13) and the gears, four conical grooves (6) are formed in the conical rod (5) and are used for placing the moving rods (13), an L-shaped support plate (21) is slidably arranged on the placing plate (15), a hydraulic cylinder (22) is fixedly installed on the support plate (21), and a slotting cutter (23) for cutting a key groove is fixedly installed at the output end of the hydraulic cylinder (22).

2. A gear keyway machining assembly according to claim 1, wherein, The rotating shaft (7) is rotatably arranged on the bottom plate (1), the mounting plate (8) is fixedly installed at the upper end of the rotating shaft (7), four limiting boxes (9) are equidistantly arranged at the upper end of the mounting plate (8), the limiting columns (10) are slidably arranged in the four limiting boxes (9), the springs (12) are fixedly installed on the outer walls of the four limiting columns (10) and are fixedly connected with the limiting boxes (9), the upper ends of the four limiting columns (10) are fixedly connected with the bottom ends of the four moving rods (13), and the limiting rods (11) are fixedly installed on the inner walls of the four limiting boxes (9) and are used for limiting the limiting columns (10).

3. A gear keyway machining assembly according to claim 2, wherein, The support frame (2) in a shape of is fixedly installed on the bottom plate (1), the electric telescopic rod (3) is fixedly installed on the support frame (2), the driving motor (4) is fixedly installed at the bottom end of the electric telescopic rod (3), and the output end of the driving motor (4) is fixedly connected with the upper end of the conical rod (5).

4. A gear keyway machining assembly according to claim 3, wherein, The second fixed plates (18) are fixedly installed on the two side walls of the placing plate (15), the hydraulic rods (19) are fixedly installed on the inner walls of the two second fixed plates (18), and the positioning blocks (20) are fixedly installed at the ends of the two hydraulic rods (19) and are used for positioning the gears.

5. A gear keyway machining assembly according to claim 4, wherein, The guide grooves (24) are formed in the placing plate (15) and are used for limiting the moving direction of the gears, the first fixed plate (16) is fixedly installed on the placing plate (15), the two electric push rods (17) are fixedly installed on the first fixed plate (16), and the push plate (26) is fixedly installed at the ends of the two electric push rods (17) and is used for pushing the gears to the guide grooves (24).

6. A gear keyway machining assembly according to claim 5, wherein, The collecting box (25) is fixedly installed on the bottom plate (1) and is used for collecting the gears sliding out of the guide grooves (24), and the lifting rods (14) are equidistantly arranged between the bottom plate (1) and the placing plate (15) and are used for supporting the placing plate (15).

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