CN210438769U

CN210438769U - Laser quenching device

Info

Publication number: CN210438769U
Application number: CN201921319714.3U
Authority: CN
Inventors: 程国军; 余勤跃; 扈金富; 刘忠永
Original assignee: Pan Wave Laser Equipment Hangzhou Co ltd
Current assignee: Zhejiang Leijie Laser Technology Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-01
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a laser quenching device, including frame, work cabin, laser instrument and the elevating system who is used for going up and down the laser instrument, the laser instrument sets up in the work cabin, is provided with the anchor clamps that are used for placing the gear in the work cabin, and anchor clamps include base, main shaft, are used for rotating the slewing mechanism of main shaft and are used for the fixed subassembly with gear and main shaft, and the lower part at the work cabin is fixed to the base, and the main shaft rotates and installs on the base, and slewing mechanism sets up in the base and be connected with the main shaft. Through the mode, the gear is quenched and clamped between the bottom plate and the nut, the size of the gear is changed without influencing the machining of the gear, and the gear quenching device is convenient to use. The surface of the gear is quenched by laser, only the working surface of the gear is quenched, the gear is heated less, the overall deformation is small, the machining precision of the gear is improved, the laser machining causes less pollution to the environment, and the gear is more environment-friendly.

Description

Laser quenching device

Technical Field

The utility model relates to a laser processing equipment, more specifically the utility model relates to a laser hardening device that says so.

Background

The gear quenching aims to transform super-cooled austenite into martensite or bainite to obtain martensite or bainite structures, and then the martensite or bainite structures are tempered at different temperatures to greatly improve the strength, hardness, wear resistance, fatigue strength, toughness and the like of the steel, so that different use requirements of various mechanical parts and tools are met.

The existing gear quenching technology is that gears are heated by utilizing the electromagnetic induction principle and then are put into cooling liquid for cooling. Electromagnetic induction heating requires a container with a corresponding size to place a gear, and is inconvenient when a gear with a different size is machined.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims to provide a laser quenching device which can process gears with different sizes.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a laser quenching device, includes frame, work cabin, laser instrument and is used for the elevating system who goes up and down the laser instrument, and the laser instrument setting is provided with the anchor clamps that are used for placing the gear in the work cabin, and anchor clamps include base, main shaft, the slewing mechanism who is used for rotating the main shaft and be used for the fixed subassembly with gear and main shaft, and the base is fixed in the lower part of work cabin, and the main shaft rotates and installs on the base, and slewing mechanism sets up in the base and be connected with the main shaft.

As the utility model discloses a further improvement, fixed subassembly includes bottom plate and nut, and the bottom plate is connected on the lateral wall of main shaft, is provided with the external screw thread on the main shaft, and after the main shaft was worn to the gear, the gear was cliied from both sides to the nut and bottom plate.

As a further improvement of the utility model, elevating system includes support, motor, lead screw, guide arm and swivel nut, and the motor is fixed in the frame, and the swivel nut rotates and sets up in the frame, lead screw and swivel nut meshing, and the support is fixed on the top of lead screw, and the guide arm is fixed in the frame, has seted up the guide hole in the frame, and the guide arm is worn to establish in the guide hole.

As a further improvement, the positioning hole is arranged at the top of the main shaft, the stand column is arranged on the frame, and the positioning cone is arranged on the stand column and is matched with the positioning hole.

As a further improvement, the utility model discloses a fixed subassembly has the multiunit, and fixed subassembly still includes fixed cover, and fixed cover is the penetrating tube-shape in both ends, is provided with the internal thread on the inner wall of fixed cover, internal thread and the epaxial external screw thread looks adaptation of main, and the bottom plate is fixed on the outer wall of fixed cover.

The beneficial effects of the utility model are that, quench the gear through above-mentioned mode, the gear is pressed from both sides between bottom plate and nut, and the processing of gear, convenient to use can not be influenced in the change of gear size. The surface of the gear is quenched by laser, only the working surface of the gear is quenched, the gear is heated less, the overall deformation is small, the machining precision of the gear is improved, the laser machining causes less pollution to the environment, and the gear is more environment-friendly.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view showing the construction of the jig;

fig. 3 is an enlarged view of a portion of fig. 2 at the reference point.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1 to 3, the laser quenching apparatus of the present embodiment includes a frame 1, a working chamber 2, a laser 3, and a lifting mechanism 4 for lifting the laser 3, the laser 3 is disposed in the working chamber 2, a fixture 5 for placing a gear is disposed in the working chamber 2, the fixture 5 includes a base 51, a spindle 52, a rotating mechanism for rotating the spindle 52, and a fixing assembly for fixing the gear and the spindle 52, the base 51 is fixed at a lower portion of the working chamber 2, the spindle 52 is rotatably mounted on the base 51, and the rotating mechanism is disposed in the base 51 and connected to the spindle 52.

The fixing component comprises a bottom plate 61 and a nut 62, the bottom plate 61 is connected to the side wall of the main shaft 52, an external thread is arranged on the main shaft 52, and after the gear penetrates through the main shaft 52, the nut 62 and the bottom plate 61 clamp the gear from two sides.

When the gear is quenched, an operator penetrates a hole in the center of the gear to the main shaft 52, the gear is placed on the bottom plate 61, the nut 62 is screwed on the main shaft 52, the nut 62 and the bottom plate 61 clamp the gear from two sides to position the gear, then the equipment is started, the laser 3 emits laser to quench the surface of the gear, the lifting mechanism 4 drives the laser 3 to lift, so that the tooth surface of the gear is comprehensively machined, after the tooth surface of one part is machined, the rotating mechanism drives the main shaft 52 to rotate, so that the gear is driven to rotate, and the laser 3 is used for machining the other tooth surface part of the gear. The fixing method of the gear is not limited to the combination of the base plate 61 and the nut 62, and may be fixed by an electromagnet or other methods.

Through quenching the gear in the above mode, the gear is clamped between the bottom plate 61 and the nut 62, the machining of the gear cannot be influenced by the change of the size of the gear, and the gear is convenient to use. The surface of the gear is quenched by laser, only the working surface of the gear is quenched, the gear is heated less, the overall deformation is small, the machining precision of the gear is improved, the laser machining causes less pollution to the environment, and the gear is more environment-friendly.

As an improved specific embodiment, the lifting mechanism 4 includes a bracket 41, a motor 42, a screw rod 43, a guide rod 44 and a threaded sleeve 45, the motor 42 is fixed on the frame 1, the threaded sleeve 45 is rotatably disposed on the frame 1, the screw rod 43 is engaged with the threaded sleeve 45, the bracket 41 is fixed at the top end of the screw rod 43, the guide rod 44 is fixed on the frame 1, a guide hole is formed in the frame 1, and the guide rod 44 is inserted into the guide hole.

As a modified specific embodiment, a positioning hole is formed at the top of the main shaft 52, an upright post 11 is arranged on the frame 1, and a positioning cone 12 matched with the positioning hole is arranged on the upright post 11.

Through the cooperation of locating piece and location awl 12, straighten main shaft 52, avoid main shaft 52 deformation bending, reduce the machining precision of gear.

As an improved specific embodiment, the fixing assembly has a plurality of groups, the fixing assembly further comprises a fixing sleeve 63, the fixing sleeve 63 is in a cylindrical shape with two through ends, inner threads are arranged on the inner wall of the fixing sleeve 63 and matched with the outer threads on the main shaft 52, and the bottom plate 61 is fixed on the outer wall of the fixing sleeve 63.

The bottom plate 61 is arranged on the main shaft 52 through the fixing sleeve 63, so that a plurality of bottom plates 61 can be placed at a time, a plurality of gears are clamped, the number of the gears machined at a time is increased, and the workload of operators is reduced. And through the setting of fixed cover 63, just can adjust the interval of bottom plate 61 spare to the processing of the different size gears of adaptation.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A laser quenching device is characterized in that: including frame (1), work cabin (2), laser instrument (3) and be used for going up and down elevating system (4) of laser instrument (3), laser instrument (3) set up in work cabin (2), be provided with anchor clamps (5) that are used for placing the gear in work cabin (2), anchor clamps (5) include base (51), main shaft (52), be used for rotating the slewing mechanism of main shaft (52) and be used for the fixed subassembly with gear and main shaft (52), the lower part at work cabin (2) is fixed in base (51), main shaft (52) rotate and install on base (51), be connected with main shaft (52) in slewing mechanism's the base (51).

2. The laser quenching apparatus as claimed in claim 1, wherein: the fixing assembly comprises a bottom plate (61) and a nut (62), the bottom plate (61) is connected to the side wall of the main shaft (52), an external thread is arranged on the main shaft (52), and when the gear penetrates through the main shaft (52), the gear is clamped by the nut (62) and the bottom plate (61) from two sides.

3. The laser quenching apparatus as claimed in claim 1, wherein: the lifting mechanism (4) comprises a support (41), a motor (42), a screw rod (43), a guide rod (44) and a threaded sleeve (45), the motor (42) is fixed on the rack (1), the threaded sleeve (45) is rotatably arranged on the rack (1), the screw rod (43) is meshed with the threaded sleeve (45), the support (41) is fixed at the top end of the screw rod (43), the guide rod (44) is fixed on the rack (1), a guide hole is formed in the rack (1), and the guide rod (44) is arranged in the guide hole in a penetrating mode.

4. A laser quenching apparatus as claimed in claim 2, characterized in that: the top of the main shaft (52) is provided with a positioning hole, the rack (1) is provided with an upright post (11), and the upright post (11) is provided with a positioning cone (12) matched with the positioning hole.

5. A laser quenching apparatus as claimed in claim 2, characterized in that: the fixed subassembly has the multiunit, the fixed subassembly still includes fixed cover (63), fixed cover (63) are the penetrating tube-shape in both ends, be provided with the internal thread on the inner wall of fixed cover (63), external screw thread looks adaptation on internal thread and main shaft (52), bottom plate (61) are fixed on the outer wall of fixed cover (63).