Broaching device for machining and manufacturing internal spline gear

Abstract

The broaching device for machining and manufacturing the internal spline gear comprises an installation frame, a penetrating opening is formed in one side of the installation frame, a clamping mechanism is arranged at the position, close to the penetrating opening, of the side face of the installation frame and is adjustable integrally, a positioning frame is installed on the side, close to the clamping mechanism, of the installation frame, and a clamping mechanism is installed on the positioning frame. A mounting base is arranged in the positioning frame in a sliding mode, and a spline broaching tool located in the penetrating opening is arranged on the mounting base. According to the broaching device for machining and preparing the internal spline gear, the clamping assembly for positioning the half axle gear is arranged on the outer side, the clamping assembly can be adjusted according to the type of the half axle gear, the broaching device is suitable for clamping and positioning when the half axle gears of different types are broached, meanwhile, the liquid spraying assembly is arranged for cooling and cleaning a spline broaching tool, and the machining efficiency is improved. Chippings adhered to the spline broaching tool are reduced, the situation that the structural strength of the spline broaching tool is affected by heating after long-time use is prevented, and the service life of the spline broaching tool is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear processing device technical field, concretely is a kind of broaching device for internal spline gear machining preparation. BACKGROUND

[0002] Half axle gear is the connecting structure of half axle and differential, mainly used for transmitting power and allowing axial sliding, and is one of important automobile parts. In the batch production process of half axle gear, spline broaching cutter is often moved in the inner ring of half axle gear to broach spline, and the half axle gear needs to be fixed during the process. If the half axle gear moves during broaching, it will not only cause dimensional error and affect the preparation quality of half axle gear, but also damage the spline broaching cutter and shorten the service life of the cutter. Although the common broaching device is provided with a clamping assembly for fixing the position of half axle gear, the clamping assembly is usually only suitable for one type of half axle gear, which leads to low adaptability and is inconvenient to use for different types of gear broaching. In addition, metal chips may adhere to the upper part of the broaching cutter during use, which affects the use of the broaching cutter and causes problems in use. SUMMARY

[0003] The utility model solves the technical problems of overcoming the defects of the prior art and provides a broaching device for internal spline gear machining and preparation. The clamping assembly is provided on the outer side to position the half axle gear, and the clamping assembly can be adjusted according to the type of half axle gear, suitable for clamping and positioning of different types of half axle gear broaching. At the same time, the liquid spraying assembly is provided to cool and clean the spline broaching cutter, reduce the adhesion of chips on the spline broaching cutter, prevent the spline broaching cutter from heating for a long time and affecting its structural strength, and ensure the service life of the spline broaching cutter. The problems in the background art can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a broaching device for internal spline gear machining and preparation, comprising a mounting frame, a through hole is provided on one side of the mounting frame, a clamping mechanism is provided on the side of the mounting frame close to the through hole, and the clamping mechanism is adjustable as a whole. A positioning frame is installed on one side of the mounting frame close to the clamping mechanism. An installation seat is slidably arranged in the positioning frame. A spline broaching cutter is arranged on the installation seat and located in the through hole. A driving assembly is arranged in the mounting frame to drive the spline broaching cutter to move. A liquid spraying assembly is arranged on the side of the mounting frame close to the clamping mechanism.

[0005] As a preferred technical scheme of the utility model, the clamping mechanism comprises a plurality of groups of clamping plates arranged symmetrically, and the clamping surfaces of the clamping plates are arc-shaped. A strip-shaped hole is formed in the side of the clamping plate. A screw is fixed in the strip-shaped hole on the side of the mounting frame, and at least two groups of screws are provided. A nut is threadedly connected to the screw to fix the position of the clamping plate.

[0006] As a preferred technical scheme of the utility model, the mounting frame is internally slidably provided with a positioning plate, the positioning plate is provided with a positioning cylinder on the side surface, a positioning hole is formed on the side surface of the positioning cylinder, a positioning groove is formed on the end of the spline broaching cutter corresponding to the position of the positioning hole, a positioning pin is slidably arranged in the positioning hole and clamped in the positioning groove, a guide rod is fixedly arranged in the mounting frame, the guide rod is slidably connected with the positioning plate, and the driving assembly comprises an electric telescopic cylinder arranged on the side surface of the mounting frame.

[0007] As a preferred technical scheme of the utility model, the liquid spraying assembly comprises a liquid conveying pipe, a plurality of positioning buckles for positioning the position of the liquid conveying pipe are arranged on the side surface of the mounting frame, a liquid conveying pump is arranged on the side surface of the mounting frame, the liquid outlet end of the liquid conveying pump is connected with one end of the liquid conveying pipe, a spray head is arranged on the other end of the liquid conveying pipe, and the spray head is arranged towards the spline broaching cutter in the through hole.

[0008] As a preferred technical scheme of the utility model, the positioning frame is internally fixedly provided with a fixing seat, a track is arranged on the fixing seat, a positioning seat is slidably arranged in the track on the fixing seat, and the mounting seat is arranged on the positioning seat.

[0009] As a preferred technical scheme of the utility model, the mounting frame is provided with a protection frame at the position close to the clamping mechanism on the side surface, a discharge port is formed in the bottom of the protection frame, and an inclined plate is arranged on the bottom of the protection frame and faces the discharge port.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The spline broaching device for internal spline gear machining and preparation disclosed by the utility model is used for clamping the half shaft gear through the clamping mechanism, then the mounting seat in the positioning frame is moved to connect the spline broaching cutter with the driving assembly, the spline broaching cutter is moved through the driving assembly, and the spline turning of the internal spline of the half shaft gear is realized.

[0012] 2、The spline broaching device for internal spline gear machining and preparation disclosed by the utility model is used for clamping the half shaft gear through the clamping mechanism, then the mounting seat in the positioning frame is moved to connect the spline broaching cutter with the driving assembly, the spline broaching cutter is moved through the driving assembly, and the spline turning of the internal spline of the half shaft gear is realized.

[0013] 3, The broaching device for internal spline gear machining preparation of the utility model, control the liquid pump work, the liquid pump extracts the coolant from the outside into the infusion tube, the coolant sprays out through the nozzle at the end of the infusion tube and acts on the spline broaching tool, which plays a role in cooling the spline broaching tool, prevents the temperature of the spline broaching tool from rising for a long time and affects its structural strength, and guarantees the service life of the spline broaching tool.

[0014] 4, The broaching device for internal spline gear machining preparation of the utility model, after the spline broaching tool is moved into the mounting frame by the electric telescopic cylinder, the spline broaching of the half shaft gear is completed, the connection between the spline broaching tool and the mounting seat is disconnected, the half shaft gear can be taken out from the clamping mechanism, and after the spline broaching tool is connected with the mounting seat again, the spline broaching tool is retracted through the driving assembly, the nozzle sprays the coolant to clean the spline broaching tool in this process, reduces the adhesion of metal debris outside the spline broaching tool, and facilitates the use of the spline broaching tool. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is another perspective structural schematic view of the utility model;

[0017] Figure 3 It is a top view structural schematic view of the utility model;

[0018] Figure 4 It is a front view structural schematic view of the utility model;

[0019] Figure 5 It is Figure 4 It is an enlarged structural schematic view of position A.

[0020] In the figure: 1 mounting frame, 2 positioning frame, 3 clamping mechanism, 31 clamping plate, 32 screw rod, 33 nut, 4 mounting seat, 5 spline broaching tool, 6 positioning plate, 7 guide rod, 8 electric telescopic cylinder, 9 positioning seat, 10 fixed seat, 11 track, 12 liquid pump, 13 infusion tube, 14 nozzle, 15 positioning buckle, 16 protective frame, 17 inclined 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5The utility model provides a technical scheme: a broaching device for internal spline gear machining preparation, including mount 1, the one side of mount 1 is provided with the through -going orifice, the position of mount 1 side close to the through -going orifice is provided with clamping mechanism 3, clamping mechanism 3 is used for clamping half shaft gear, and clamping mechanism 3 is adjustable as a whole, and the positioning of different batches model gears is convenient through adjusting clamping mechanism 3, the side close to clamping mechanism 3 of mount 1 is installed with positioning frame 2, the sliding of positioning frame 2 is provided with mounting seat 4, the spline broaching cutter 5 in the through -going orifice is set up on mounting seat 4, and mounting seat 4 is detachable, and the connection of mounting seat 4 and spline broaching cutter 5 can be disconnected through the split mounting seat 4, and the drive assembly for driving the movement of spline broaching cutter 5 is provided in mount 1, the position of mount 1 side close to clamping mechanism 3 is provided with liquid injection assembly, and the cooling and cleaning of spline broaching cutter 5 when spline broaching are used for, and the use of spline broaching cutter 5 is convenient.

[0023] Through clamping half shaft gear by clamping mechanism 3, then the mounting seat 4 in positioning frame 2 is moved to connect spline broaching cutter 5 with drive assembly, the spline turning of spline broaching cutter 5 is moved by drive assembly, for half shaft gear inside spline turning, the position of half shaft gear is positioned by clamping mechanism 3 in this process, avoids the influence of half shaft gear movement on preparation quality during spline broaching, and the stability of spline broaching cutter 5 is guaranteed when moving by mounting seat 4 and drive assembly, which is convenient for the use of the broaching device.

[0024] Clamping mechanism 3 includes several groups of clamping plates 31 symmetrically arranged, and the clamping surface of the clamping plate 31 is arc-shaped, which facilitates the clamping plate 31 to be attached to the outside of the half shaft gear to play a stable clamping role. A strip-shaped hole is formed in the side surface of the clamping plate 31. A screw rod 32 is fixed in the strip-shaped hole on the side surface of the mounting frame 1, and at least two groups of screw rods 32 are provided. A nut 33 is threadedly connected to the screw rod 32 to fix the position of the clamping plate 31. During spline broaching on the inside of the half shaft gear, the spline broaching cutter 5 that matches the model of the half shaft gear can be arranged on the mounting seat 4. Then, the nut 33 on the screw rod 32 is loosened to adjust the position of the clamping plate 31. After the clamping plate 31 is adjusted to match the half shaft gear, the nut 33 on the screw rod 32 is tightened to fix the position of the clamping plate 31, ensuring the stability of the clamping mechanism 3 during use. During the position adjustment of the clamping plate 31, the screw rod 32 is located in the strip-shaped hole and moves in the strip-shaped hole. The two groups of screw rods 32 are used for position limiting and guiding during the position adjustment of the clamping plate 31, facilitating the adjustment and use of the clamping mechanism 3.

[0025] The positioning plate 6 is slidably arranged in the mounting frame 1, the positioning plate 6 is provided with a positioning cylinder on the side surface, the positioning cylinder is provided with a positioning hole on the side surface, the spline broaching cutter 5 is provided with a positioning groove corresponding to the position of the positioning hole, the positioning hole is slidably provided with a positioning pin clamped in the positioning groove, and the connection or disconnection of the spline broaching cutter 5 and the positioning plate 6 can be realized by inserting and pulling out the positioning pin. The spline broaching cutter 5 is connected or disconnected with the positioning plate 6, so that the half shaft gear in the clamping mechanism 3 can be replaced conveniently. It should be noted that the end of the spline broaching cutter 5 close to the positioning plate 6 is provided with a smooth part. The smooth part facilitates the staff to push the mounting seat 4 to move the spline broaching cutter 5 from the inside of the half shaft gear to the positioning plate 6 for fixation. After fixation, the spline broaching cutter 5 is moved by the driving assembly to make the cutting edge part contact the inside of the half shaft gear for spline broaching.

[0026] The mounting frame 1 is fixedly provided with a guide rod 7, the guide rod 7 is slidably connected with the positioning plate 6, the driving assembly comprises an electric telescopic cylinder 8 mounted on the side surface of the mounting frame 1, the telescopic end of the electric telescopic cylinder 8 is fixedly connected with the positioning plate 6, the electric telescopic cylinder 8 is controlled to work, the electric telescopic cylinder 8 drives the spline broaching cutter 5 to move through the positioning plate 6, so that the spline broaching of the inside of the half shaft gear is facilitated. When the electric telescopic cylinder 8 drives the spline broaching cutter 5 to move, the positioning plate 6 moves along the guide rod 7, thereby improving the stability of the spline broaching cutter 5 during spline broaching.

[0027] The liquid spraying assembly comprises a liquid conveying pipe 13, a plurality of positioning buckles 15 for positioning the position of the liquid conveying pipe 13 are mounted on the side surface of the mounting frame 1, a liquid sending pump 12 is mounted on the side surface of the mounting frame 1, the liquid outlet end of the liquid sending pump 12 is connected with one end of the liquid conveying pipe 13, a spray head 14 is mounted on the other end of the liquid conveying pipe 13 and faces the spline broaching cutter 5 in the through hole, the liquid sending pump 12 is controlled to work, the liquid sending pump 12 draws the cooling liquid from the outside into the liquid conveying pipe 13, the cooling liquid is sprayed out through the spray head 14 at the end of the liquid conveying pipe 13 and then acts on the spline broaching cutter 5, so that the spline broaching cutter 5 is cooled, the temperature rise of the spline broaching cutter 5 caused by long-time use is prevented, the structural strength of the spline broaching cutter 5 is ensured, and the service life of the spline broaching cutter 5 is ensured. After the electric telescopic cylinder 8 drives the spline broaching cutter 5 to move into the mounting frame 1, the spline broaching of the half shaft gear is completed, after the connection between the spline broaching cutter 5 and the mounting seat 4 is disconnected, the half shaft gear can be taken out from the clamping mechanism 3, after the spline broaching cutter 5 and the mounting seat 4 are connected again, the spline broaching cutter 5 is retreated through the driving assembly, the cooling liquid sprayed out by the spray head 14 during the process is used to clean the spline broaching cutter 5, so that the adhesion of the metal debris outside the spline broaching cutter 5 is reduced, and the use of the spline broaching cutter 5 is facilitated. The cooling liquid includes but is not limited to cutting fluid or clean water.

[0028] The fixed seat 10 is fixed in the positioning frame 2, the track 11 is installed on the fixed seat 10, the positioning seat 9 is slidably arranged in the track 11 on the fixed seat 10, and the mounting seat 4 is mounted on the positioning seat 9; when the mounting seat 4 moves in the positioning frame 2, the positioning seat 9 moves in the track 11 on the fixed seat 10, and the movement of the mounting seat 4 is limited and guided.

[0029] The protective frame 16 is arranged at the position close to the clamping mechanism 3 on the side of the mounting frame 1, the protective frame 16 is provided with a discharge port at the bottom, the protective frame 16 is provided with an inclined plate 17 facing the discharge port at the bottom, when the liquid spraying assembly sprays liquid outward, the protective frame 16 protects the sprayed liquid, prevents the liquid from splashing everywhere, and the metal chips generated by the broaching are carried by the liquid and fall on the inclined plate 17, and are affected by the inclined surface on the side of the inclined plate 17 and slide to the discharge port and are discharged through the discharge port.

[0030] The electric telescopic cylinder 8, the liquid sending pump 12 and the like used in the utility model are all common electronic elements in the prior art, the working mode and the circuit structure are all known technologies, the working of the electronic elements such as the electric telescopic cylinder 8 and the liquid sending pump 12 is controlled through the switch group or the PLC controller arranged outside the mounting frame 1, the mode is a common technical means for technicians, and will not be repeated here.

[0031] The broaching device for machining and preparing the internal spline gear is provided with the clamping assembly for positioning the half shaft gear, the clamping assembly can be adjusted according to the model of the half shaft gear, is suitable for clamping and positioning of half shaft gears of different models, is provided with the liquid spraying assembly for cooling and cleaning the spline broaching tool, reduces the adhesion of the chips on the spline broaching tool, prevents the spline broaching tool from heating for a long time and affecting the structural strength, and guarantees the service life of the spline broaching tool.

[0032] The utility model discloses the part not disclosed in the utility model is prior art, and the specific structure, material and working principle will not be repeated in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A broaching device for internal spline gear machining manufacturing, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with a through hole on one side, a clamping mechanism (3) is arranged on the side of the mounting frame (1) close to the through hole, the clamping mechanism (3) is adjustable as a whole, a positioning frame (2) is arranged on the side of the mounting frame (1) close to the clamping mechanism (3), a mounting seat (4) is slidably arranged in the positioning frame (2), a spline broaching tool (5) is arranged on the mounting seat (4) and located in the through hole, a driving assembly is arranged in the mounting frame (1) and drives the spline broaching tool (5) to move, and a liquid spraying assembly is arranged on the side of the mounting frame (1) close to the clamping mechanism (3).

2. The broaching device for internal spline machining according to claim 1, characterized in that: The clamping mechanism (3) comprises a plurality of groups of clamping plates (31) arranged symmetrically, the clamping surfaces of the clamping plates (31) are arranged in an arc shape, strip-shaped holes are formed in the sides of the clamping plates (31), screw rods (32) are fixed on the side of the mounting frame (1) and located in the strip-shaped holes, and at least two groups of screw rods (32) are arranged.

3. The broaching device for internal spline machining according to claim 1, characterized in that: A positioning plate (6) is slidably arranged in the mounting frame (1), a positioning cylinder is arranged on the side of the positioning plate (6), a positioning hole is formed in the side of the positioning cylinder, a positioning groove is formed in the end of the spline broaching tool (5) and corresponds to the positioning hole, a positioning pin is slidably arranged in the positioning hole and clamped in the positioning groove, a guide rod (7) is fixed in the mounting frame (1), the guide rod (7) is slidably connected with the positioning plate (6), and the driving assembly comprises an electric telescopic cylinder (8) arranged on the side of the mounting frame (1), and the telescopic end of the electric telescopic cylinder (8) is fixedly connected with the positioning plate (6).

4. The broaching device for internal spline machining according to claim 1, characterized in that: The liquid spraying assembly comprises a liquid conveying pipe (13), a plurality of positioning buckles (15) are arranged on the side of the mounting frame (1) and position the liquid conveying pipe (13), a liquid sending pump (12) is arranged on the side of the mounting frame (1), the liquid outlet end of the liquid sending pump (12) is connected with one end of the liquid conveying pipe (13), a spray head (14) is arranged on the other end of the liquid conveying pipe (13) and faces the spline broaching tool (5) in the through hole.

5. The broaching device for internal spline machining according to claim 1, characterized in that: A fixed seat (10) is fixed in the positioning frame (2), an track (11) is arranged on the fixed seat (10), a positioning seat (9) is slidably arranged in the track (11) on the fixed seat (10), and the mounting seat (4) is arranged on the positioning seat (9).

6. The broaching device for internal spline machining according to claim 1, characterized in that: A protection frame (16) is arranged on the side of the mounting frame (1) close to the clamping mechanism (3), a discharge port is formed in the bottom of the protection frame (16), and an inclined plate (17) is arranged on the bottom of the protection frame (16) and faces the discharge port.

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