High-frequency quenching machine for gear quenching machining

Abstract

The utility model relates to the technical field of gear machining, in particular to a high-frequency quenching machine for gear quenching machining, which comprises an operation table, a placement table and a water supply tank, a placing table which can slide and is used for positioning a gear to facilitate machining is arranged above the operation table, and a water supply tank used for supplying a water source to cool the gear is arranged below the operation table; according to the gear cooling device, the arc-shaped telescopic sleeve on the placement table is adjusted and positioned according to the size of a gear, then the placement table transversely moves along the operation table to enter the high-temperature bin on the operation table to be heated, and then the placement table is moved out of the high-temperature bin to be cooled through a water source supplied by the water supply tank; the gear quenching device is simple in structure and can adapt to gears of different specifications and sizes, due to the flexibility, the same device can process multiple types of gears, the utilization rate and the production efficiency of the device are improved, it can be ensured that the gears are located at the correct positions in the quenching process, and therefore precise heating and quenching of key parts of the gears are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear machining technical field especially relates to high -frequency quenching machine for gear quenching machining. BACKGROUND

[0002] Gear is the mechanical element that gear rim has gear continuous meshing transmission movement and power, and gear quenching is a kind of heat treatment process, it is heated to critical temperature above gear, keeps warm for a period of time, then rapidly cools down, to obtain martensite or bainite organization heat treatment process, in this process, quenching machine is needed to be used to gear quenching heat treatment, it generates alternating magnetic field through induction coil, places gear in the magnetic field, and gear interior will produce eddy current due to electromagnetic induction, and eddy current generates heat under the action of gear self-resistance, makes gear surface rapidly heats up to the critical temperature required for quenching, subsequently, by means of suitable cooling mode, let gear surface rapidly cool down, promote it to form martensite organization, to improve the hardness, wear resistance and fatigue strength and other key performance indicators of gear surface.

[0003] The existing quenching machine mostly adopts one-way fixation when positioning gear, due to the different sizes of gear, if the positioning structure is inconvenient to adjust, it means that more time and manpower are needed to manually adjust the position of gear, thereby reducing production efficiency, and the inaccurate positioning of gear can cause uneven heat distribution in the heating and cooling process, thereby affecting the hardness and wear resistance after quenching.

[0004] Therefore, in view of the above-mentioned existing quenching machine mostly adopts one-way fixation when positioning gear, due to the different sizes of gear, if the positioning structure is inconvenient to adjust, this can reduce production efficiency, and the inaccurate positioning of gear can affect the hardness and wear resistance after quenching, high-frequency quenching machine for gear quenching machining can be designed, adjustable positioning structure is adopted, and the applicability of quenching machine is improved. SUMMARY

[0005] In order to overcome the problem that the existing quenching machine mostly adopts one-way fixation when positioning gear, due to the different sizes of gear, if the positioning structure is inconvenient to adjust, this can reduce production efficiency, and the inaccurate positioning of gear can affect the hardness and wear resistance after quenching.

[0006] The utility model discloses a high -frequency quenching machine for gear quenching processing, including the operation platform, the placing table and the water supply tank, the placing table of being used for positioning gear is conveniently processed and is slidably equipped with the placing table of being used for positioning gear in the operation platform top, the water supply tank for supplying water source to gear cooling is equipped with the water supply tank below the operation platform, the four groups of rectangular sliding slots are opened around the placing table top, the four groups of arc expansion sleeve are equipped around the placing table top, the arc expansion sleeve is connected with the arc expansion column and is sheathed between every two groups of arc expansion sleeve, the arc expansion sleeve lower end middle part is installed with the rectangular thread sleeve, the rectangular thread sleeve middle part is equipped with the threaded rod, the threaded rod is along the rectangular sliding slot and is equipped, and the threaded rod one end is installed with the drive motor.

[0007] Preferably, the arc expansion sleeve on the placing table is adjusted and positioned according to the size of the gear, then the placing table moves horizontally along the operation table into the high-temperature bin on the operation table for heating, and then moves out of the high-temperature bin to cool by the water supply tank.

[0008] As preferred, a column is installed at each corner of the lower end of the operation table, a bottom plate is fixedly connected with the column below the operation table, a high-temperature bin is installed on one side of the upper end of the operation table, induction coils are installed on both sides and the top of the inner wall of the high-temperature bin, an operation panel is installed on the middle of one side of the outer side of the high-temperature bin, a power module is connected with the induction coils on one side of the operation panel, a flexible valve is installed on one side of the high-temperature bin, and an electromagnetic control valve is installed on the upper end of the flexible valve.

[0009] As preferred, two groups of strip-shaped sliding rails are installed longitudinally on the upper end of the operation table, strip-shaped sliding grooves are opened on the upper side of the strip-shaped sliding rails, three groups of circular holes are longitudinally spaced apart on the edge of the side of the operation table away from the high-temperature bin, a guide pipe is fixedly installed on the lower end of the operation table, and a receiving box is provided on the upper side of the bottom plate corresponding to the guide pipe.

[0010] As preferred, two groups of strip-shaped sliding blocks are installed longitudinally on the lower end of the placing table, the strip-shaped sliding blocks drive the placing table to slide along the strip-shaped sliding grooves and the strip-shaped sliding rails, and a rectangular expansion column is fixedly connected with the placing table between the two groups of strip-shaped sliding blocks.

[0011] As preferred, a rectangular expansion sleeve is sleeved on the outside of the rectangular expansion column and is fixedly connected with the operation table, a cylinder is installed on one end of the rectangular expansion sleeve, and a quenching inductor is installed on the middle of the placing table.

[0012] As preferred, a cooler is provided in the water supply tank, a water pump is installed at the corner of one side of the water supply tank, a water inlet pipe is installed at the corner of the upper end of the water supply tank, water outlet pipes are symmetrically installed on both sides of the water supply tank, a fixed ring sleeve is sleeved on the outside of the water outlet pipes, and L-shaped support columns are fixedly connected with the operation table on one side of the water outlet pipes.

[0013] As preferred, a rotating shaft is longitudinally provided in the end of the L-shaped support column away from the operation table, a rotating motor is installed on the upper end of the rotating shaft, a guide plate is provided on the end of the L-shaped support column away from the operation table, and the guide plate is rotatably connected with the L-shaped support column through the rotating shaft.

[0014] The utility model discloses the beneficial effect has: the arc telescopic sleeve on the placing table adjusts and positions according to gear size condition, then the placing table moves along the operation platform transversely and enters the high temperature bin on the operation platform and heats, then removes the high temperature bin again and cools through the water supply tank water supply, through adjustable positioning structure, can adapt to different specifications and size gear, and this flexibility makes the same equipment can handle multiple types of gear, improves the utilization rate and production efficiency of equipment, and can ensure that gear is in correct position in the quenching process, thereby realizing accurate heating and quenching to gear key parts, this helps to improve the precision of quenching, ensures the quality and performance consistency of gear after quenching. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole structure schematic diagram of the utility model high frequency quenching machine is shown.

[0016] Figure 2 The operation platform structure schematic diagram of the utility model high frequency quenching machine is shown.

[0017] Figure 3 The placing table structure schematic diagram of the utility model high frequency quenching machine is shown.

[0018] Figure 4 The water supply tank structure schematic diagram of the utility model high frequency quenching machine is shown.

[0019] The figure mark explanation: 1, operation platform;2, placing table;3, water supply tank;101, stand;102, bottom plate;103, high temperature bin;104, induction coil;105, power module;106, operation panel;107, telescopic valve;108, electromagnetic control valve;109, strip slide rail;110, strip slide groove;111, lead-out pipe;112, receiving box;201, strip slide block;202, rectangular telescopic column;203, rectangular telescopic sleeve;204, air cylinder;205, rectangular slide groove;206, quenching inductor;207, arc telescopic sleeve;208, arc telescopic column;209, rectangular screw sleeve;210, threaded rod;211, drive motor;301, water pump;302, water inlet pipe;303, water outlet pipe;304, fixed ring sleeve;305, L type support column;306, rotating shaft;307, rotating motor;308, guide plate. DETAILED DESCRIPTION

[0020] The utility model will be further explained below in connection with the drawings and examples.

[0021] Please refer to Figures 1-4The utility model provides a kind of embodiment: high-frequency quenching machine for gear quenching processing, including operation platform 1, placing table 2 and water supply tank 3;Operation platform 1 upper side is equipped with the placing table 2 for positioning gear for easy processing slidably, operation platform 1 below is equipped with the water supply tank 3 for supplying water source to gear cooling, four groups of rectangular sliding grooves 205 are opened around the upper side of placing table 2, four groups of arc-shaped telescopic sleeves 207 are equipped around the upper side of placing table 2, arc-shaped telescopic column 208 is connected with being sleeved between every two groups of arc-shaped telescopic sleeves 207, rectangular threaded sleeve 209 is installed in the middle of the lower end of arc-shaped telescopic sleeve 207, threaded rod 210 is threaded in the middle of rectangular threaded sleeve 209, threaded rod 210 is threaded along rectangular sliding groove 205, one end of threaded rod 210 is equipped with driving motor 211.

[0022] Please refer to Figure 2 In the embodiment, each column 101 is installed at the lower end corner of operation platform 1, bottom plate 102 is fixedly connected with column 101 below operation platform 1, high-temperature bin 103 is installed on one side of the upper end of operation platform 1, induction coil 104 is installed on the inner wall of high-temperature bin 103 on both sides and above, operation panel 106 is installed on the middle of one side of high-temperature bin 103, power module 105 is connected with induction coil 104 on one side of operation panel 106, telescopic valve 107 is installed on one side of high-temperature bin 103, electromagnetic control valve 108 (the model of electromagnetic control valve 108 is AD-8A-N-G1) is installed on the upper end of telescopic valve 107, when gear enters high-temperature bin 103, by the control of operation panel 106, by the control of electromagnetic control valve 108, telescopic valve 107 moves downward, so that high-temperature bin 103 forms sealed environment, then start power module 105, alternating magnetic field is generated by current through induction coil 104, so that eddy current is generated in gear and heated, two groups of strip-shaped sliding rails 109 are installed longitudinally on the upper end of operation platform 1, strip-shaped sliding groove 110 is opened on the upper side of strip-shaped sliding rail 109, three groups of circular holes are longitudinally spaced apart and arranged on the edge of operation platform 1 away from high-temperature bin 103, guide pipe 111 is fixedly installed on the lower end of circular hole, receiving box 112 is arranged on the upper side of bottom plate 102 and corresponds with guide pipe 111, used water flows into receiving box 112 through guide pipe 111, subsequent processing is facilitated, and water source is not wasted.

[0023] Please refer to Figure 3In the embodiment, the lower end of the placement table 2 is longitudinally provided with two groups of strip-shaped sliding blocks 201, which drive the placement table 2 to slide along the strip-shaped sliding grooves 110 and the strip-shaped sliding rails 109, and between the two groups of strip-shaped sliding blocks 201, a rectangular telescopic column 202 fixedly connected with the placement table 2 is arranged. The strip-shaped sliding blocks 201 drive the placement table 2 to slide along the strip-shaped sliding grooves 110 and the strip-shaped sliding rails 109, so that the gear enters the high-temperature bin 103 for heating. The rectangular telescopic column 202 is externally provided with a rectangular telescopic sleeve 203 fixedly connected with the operating table 1, one end of the rectangular telescopic sleeve 203 is provided with a pneumatic cylinder 204, and a quenching inductor 206 is arranged in the middle of the placement table 2. After the gear is positioned, the pneumatic cylinder 204 is driven to push the placement table 2 to move transversely along the rectangular telescopic sleeve 203. During the heating process, the quenching inductor 206 can uniformly heat the surface of the gear, ensuring the uniformity of the quenching quality.

[0024] Please refer to Figure 4 In the embodiment, the inside of the water supply tank 3 is provided with a cooler, one corner of one side of the water supply tank 3 is provided with a water pump 301, the upper end corner of the water supply tank 3 is provided with a water inlet pipe 302, the two sides of the water supply tank 3 are symmetrically provided with water outlet pipes 303, the water outlet pipes 303 are externally provided with fixed ring sleeves 304, one side of the water outlet pipes 303 is provided with L-shaped support columns 305 fixedly connected with the operating table 1. First, pour the water source into the water supply tank 3 through the water inlet pipe 302, and reduce the temperature through the action of the cooler. When the gear is heated for a period of time, open the telescopic valve 107, remove the gear, and then drive the water pump 301 to make cold water from the water supply tank 3 enter the water outlet pipes 303 for spraying. The end of the L-shaped support column 305 away from the operating table 1 is longitudinally provided with a rotating shaft 306, the upper end of the rotating shaft 306 is provided with a rotating motor 307, and the end of the L-shaped support column 305 away from the operating table 1 is provided with a guide plate 308. The guide plate 308 is rotatably connected with the L-shaped support column 305 through the rotating shaft 306. In this process, the guide plate 308 is rotatably connected with the L-shaped support column 305 through the rotating shaft 306 by driving the rotating motor 307, so as to expand the spraying area, speed up the cooling efficiency, quickly cool the surface of the gear, and promote the formation of martensite structure.

[0025] In the work, first through the inlet pipe 302 water source into the water supply tank 3, through the role of the cooler temperature reduction, then select the need to quench the gear, put it on the placement table 2, according to its size, through the drive motor 211 drive, threaded rod 210 rotation, so that the rectangular threaded sleeve 209 drive arc telescopic sleeve 207 along the rectangular chute 205 sliding, at the same time, arc telescopic column 208 along the arc telescopic sleeve 207 shrink, until the arc telescopic sleeve 207 inner wall fit gear, it can be positioned and fixed, when the gear positioning is completed, through the drive of the pneumatic cylinder 204, rectangular telescopic column 202 push placement table 2 along the rectangular telescopic sleeve 203 transverse movement, while the strip slide 201 drive placement table 2 along the strip chute 110 and strip slide rail 109 sliding connection, thus the gear into the high temperature warehouse 103 heating;

[0026] When the gear into the high temperature warehouse 103, through the operation of the panel 106 control, via electromagnetic control valve 108 control, telescopic valve 107 down, so that the high temperature warehouse 103 form a sealed environment, then start power module 105, the current through the inductor 104 generates alternating magnetic field, thus generating eddy current in the gear and heating, in the process of heating, quenching inductor 206 can evenly heat the gear surface;

[0027] When the gear heating for a period of time, open telescopic valve 107, remove the gear, then through the drive of the water pump 301, so that cold water from the water supply tank 3 into the outlet pipe 303 spray, in the process, through the drive of the rotating motor 307, guide plate 308 through the rotating shaft 306 and L type support column 305 rotating connection, expand the spraying area, accelerate the cooling efficiency, let the gear surface cooling, promote the formation of martensite, then the used water flow through the outlet pipe 111 into the receiving box 112, facilitate subsequent processing, do not waste water source.

[0028] Through the above steps, the arc-shaped telescopic sleeve 207 on the placement table 2 is adjusted and positioned according to the size of the gear, then the placement table 2 moves laterally along the operation table 1 into the high-temperature bin 103 on the operation table 1 for heating, and then moves out of the high-temperature bin 103 to supply water from the water supply tank 3 for cooling. Through the adjustable positioning structure, gears of different specifications and sizes can be accommodated, and this flexibility enables the same equipment to handle multiple types of gears, improving the utilization rate and production efficiency of the equipment, and ensuring that the gears are in the correct position during quenching, thereby achieving precise heating and quenching of the key parts of the gear, which helps to improve the accuracy of quenching and ensure the quality and performance consistency of the quenched gear. To solve the problem that existing quenching machines mostly use one-way fixation when positioning gears, as the sizes of gears are different, if the positioning structure is not convenient to adjust, it will reduce the production efficiency, and the inaccurate positioning of the gear will affect the hardness and wear resistance after quenching.

Claims

1. A high-frequency quenching machine for quenching gear, comprising an operation table (1); characterized in that: It also includes the placement platform (2) and water supply tank (3); the operating platform (1) is provided with the placement platform (2) which can slide for positioning gear to facilitate processing above, the operating platform (1) is provided with the water supply tank (3) for supplying water source to cool the gear below, four groups of rectangular sliding grooves (205) are opened around the upper end of the placement platform (2), four groups of arc-shaped telescopic sleeves (207) are provided around the upper end of the placement platform (2), arc-shaped telescopic columns (208) are sleeved and connected between every two groups of arc-shaped telescopic sleeves (207), rectangular threaded sleeves (209) are installed in the middle of the lower end of the arc-shaped telescopic sleeve (207), threaded rods (210) are provided in the rectangular threaded sleeves (209), the threaded rods (210) are provided along the rectangular sliding grooves (205), and drive motors (211) are installed at one end of the threaded rods (210).

2. The high-frequency quenching machine for quenching gear according to claim 1, characterized in that: The operating platform (1) is provided with a stand (101) at each corner of the lower end, the operating platform (1) is provided with a bottom plate (102) fixedly connected with the stand (101) below, a high-temperature bin (103) is installed on one side of the upper end of the operating platform (1), induction coils (104) are installed on the inner wall of the high-temperature bin (103) on both sides and above, an operation panel (106) is installed on one side of the middle of the outer side of the high-temperature bin (103), a power module (105) connected with the induction coils (104) is arranged on one side of the operation panel (106), a telescopic valve (107) is installed on one side of the high-temperature bin (103), and an electromagnetic control valve (108) is installed at the upper end of the telescopic valve (107).

3. The high-frequency quenching machine for quenching gear according to claim 2, characterized in that: Two groups of strip-shaped sliding rails (109) are installed longitudinally on the upper end of the operating platform (1), strip-shaped sliding grooves (110) are opened above the strip-shaped sliding rails (109), three groups of circular holes are longitudinally and spaced apart arranged on the edge of the operating platform (1) away from the high-temperature bin (103), and a guide pipe (111) is fixedly installed at the lower end of the operating platform (1) provided with the circular holes.

4. The high-frequency quenching machine for quenching gear according to claim 1, characterized in that: Two groups of strip-shaped sliding blocks (201) are installed longitudinally on the lower end of the placement platform (2), the strip-shaped sliding blocks (201) drive the placement platform (2) to slide along the strip-shaped sliding grooves (110) and the strip-shaped sliding rails (109), and a rectangular telescopic column (202) fixedly connected with the placement platform (2) is arranged between the two groups of strip-shaped sliding blocks (201).

5. The high-frequency quenching machine for quenching gear according to claim 4, wherein: A rectangular telescopic sleeve (203) fixedly connected with the operating platform (1) is sleeved outside the rectangular telescopic column (202), a pneumatic cylinder (204) is installed at one end of the rectangular telescopic sleeve (203), and a quenching inductor (206) is installed in the middle of the placement platform (2).

6. The high-frequency quenching machine for quenching gear according to claim 1, characterized in that: The water supply tank (3) is provided with a cooler inside, a water pump (301) is installed at the corner of one side of the water supply tank (3), an inlet pipe (302) is installed at the corner of the upper end of the water supply tank (3), water outlet pipes (303) are symmetrically installed on both sides of the water supply tank (3), fixed ring sleeves (304) are sleeved outside the water outlet pipes (303), and L-shaped support columns (305) fixedly connected with the operating platform (1) are arranged on one side of the water outlet pipes (303).

7. The high-frequency quenching machine for quenching gear according to claim 1, characterized in that: The L-shaped supporting column (305) is longitudinally provided with a rotating shaft (306) at one end away from the operating table (1), and a rotating motor (307) is installed at the upper end of the rotating shaft (306). The L-shaped supporting column (305) is provided with a guide plate (308) at one end away from the operating table (1), and the guide plate (308) is rotationally connected with the L-shaped supporting column (305) through the rotating shaft (306).

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