CN210341009U - Special intermediate frequency quenching machine for working surface of sprocket tooth - Google Patents
Special intermediate frequency quenching machine for working surface of sprocket tooth Download PDFInfo
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- CN210341009U CN210341009U CN201921231656.9U CN201921231656U CN210341009U CN 210341009 U CN210341009 U CN 210341009U CN 201921231656 U CN201921231656 U CN 201921231656U CN 210341009 U CN210341009 U CN 210341009U
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Abstract
The utility model discloses a special intermediate frequency quenching machine for a sprocket tooth working surface, which belongs to the field of heat treatment equipment and comprises an intermediate frequency power supply, a quenching machine tool, an inductor motion mechanism, an operation control system, a quenching liquid cooling circulation system and an internal circulation cooling system for the intermediate frequency power supply; the quenching machine tool comprises a rotating workbench, a water retaining groove, a machine base, a water collecting groove and a clamping mechanism; the clamping mechanism is a three-jaw chuck, the outer end of the three-jaw chuck is respectively connected with three square steels serving as bearing gear rings through bolts, supports for fixing fine adjustment and tightening bolts are welded on the square steels, and the inductor moving mechanism comprises a quenching transformer and an inductor; the two variable-frequency speed-regulating motors are used for respectively controlling the left and right movement and the up and down movement of the inductor and the quenching transformer, and the quenching of the working surface of the sprocket is completed through the control system.
Description
Technical Field
The utility model relates to a thermal treatment equipment field especially relates to a sprocket teeth of a cogwheel working face medium frequency quenching special plane.
Background
The sprocket is one of very important mechanical components, in order to ensure the use performance of the sprocket, the sprocket body is generally required to have higher strength and good toughness, and the surface of the sprocket has high hardness and wear resistance; for large engineering chain wheels, the large engineering chain wheels are usually designed into an assembly form that a hub is connected with a gear ring (or gear tooth) through bolts, the hardness of the working surface of the gear tooth and the depth of a hardening layer are enhanced by adopting a medium-frequency quenching mode, and because each gear tooth has a large area and is thick, a single-tooth medium-frequency continuous quenching process is generally adopted.
To realize the intermediate frequency quenching of the sprocket teeth, three problems need to be solved:
1. clamping and regularly rotating the gear ring on a quenching machine tool (namely, after quenching one gear tooth, rotating the workbench to the next gear tooth position, and repeating the quenching process until the whole circle of gear teeth is quenched);
2. due to the different diameters of the chain wheels with various specifications, the inductor can move back and forth relative to the gear teeth so as to adjust the clearance between the inductor and the gear teeth;
3. during quenching, the inductor and the gear teeth can move up and down relatively, and the action is required to be controllable and the speed is required to be adjustable;
the utility model adopts the servo motor to control the rotating workbench to complete the rotation of the chain wheel, uses two variable frequency speed regulating motors to respectively control the left and right and up and down movements of the inductor (including the quenching transformer), and completes the quenching of the working surface of the sprocket wheel teeth through the control system; the special machine is semi-automatic intermediate frequency quenching equipment for the chain wheel, and has strong applicability, simple operation and high efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current technical defect, the utility model discloses a servo motor control gyration workstation drives the sprocket and accomplishes the rotation action, reaches the up-and-down motion about controlling with two variable frequency speed governing motors control inductor and quenching transformer respectively, through control system, accomplishes the quenching of sprocket teeth of a cogwheel working face, and this special plane is semi-automatic sprocket intermediate frequency quenching equipment, and the suitability is strong, easy operation and high efficiency.
The specific technical scheme is as follows:
a special intermediate frequency quenching machine for a working surface of a sprocket tooth comprises an intermediate frequency power supply, a quenching machine tool, an inductor movement mechanism, an operation control system, a quenching liquid cooling circulation system and an internal circulation cooling system for the intermediate frequency power supply;
the intermediate frequency power supply comprises a capacitor cabinet and a power supply cabinet;
the quenching machine tool comprises a rotating workbench controlled by a servo motor, a water retaining groove, a machine base, a water collecting groove and a clamping mechanism for fixedly clamping a gear ring; the servo motor controls the rotating workbench to drive the clamped gear ring to rotate;
the clamping mechanism is a three-jaw chuck, the outer end of the three-jaw chuck is respectively connected with three square steels for supporting the gear ring through bolts, a support for fixing and finely adjusting a fastening bolt is welded on the square steel, the three-jaw chuck and the connecting positions of the three-jaw chuck and the three square steels are telescopically adjusted according to the inner diameter of the gear ring, the gear ring is hung on the workbench and placed on the square steel, and the fastening bolt is screwed after adjustment to finish clamping; when the gear ring is divided into a plurality of gear ring sector shapes, an auxiliary disc is arranged on the three-jaw chuck, a plurality of positioning holes for positioning the gear ring are formed in the auxiliary disc, the gear ring sectors are respectively arranged on the auxiliary disc, and two movable fixing pins are inserted into each gear ring sector to finish clamping and fixing;
the inductor movement mechanism comprises a quenching transformer and an inductor; the quenching transformer is fixed on a bottom plate through 4 support rods, the bottom plate moves left and right on a first track through a precision ball screw, a pull rod on a first linear reciprocating speed regulating motor is connected with the bottom plate and drives the bottom plate and the inductor movement mechanism to move left and right in the horizontal direction, and the inductor is adjusted to a specified gap between the inductor and the gear teeth according to process requirements; and the second linear reciprocating speed regulating motor drives the quenching transformer to move up and down along the second track.
Further, the first linear reciprocating speed regulating motor and the second linear reciprocating speed regulating motor are variable-frequency speed regulating motors.
The utility model has the advantages that: the utility model discloses a rotary worktable is driven to the servo motor control and the sprocket is accomplished the rotation action, reaches the up-and-down motion with controlling about two variable frequency speed governing motors control inductor and quenching transformer respectively, through control system, accomplishes the quenching of sprocket teeth of a cogwheel working face, and this special plane is semi-automatic sprocket intermediate frequency quenching equipment, and the suitability is strong, easy operation and high efficiency.
Drawings
FIG. 1 is a front view of a special intermediate frequency quenching machine for a working surface of a sprocket tooth according to an embodiment of the present invention;
FIG. 2 is a top view of a special intermediate frequency quenching machine for a working surface of a sprocket tooth according to an embodiment of the present invention;
fig. 3 is a schematic view of a sector installation of an auxiliary disk and a gear ring according to an embodiment of the present invention;
fig. 4 is a schematic view of the movable fixing pin and the ring gear sector according to the embodiment of the present invention.
The figure is marked with: the device comprises a capacitor cabinet 1, a power supply cabinet 2, an operation control console 3, a quenching transformer 4, an inductor 5, a gear ring 6, a rotating workbench 7, a water retaining groove 8, a machine base 9, a first linear reciprocating speed regulating motor 10, a pull rod 11, a first track 12, a second linear reciprocating speed regulating motor 13, a second track 14, a bottom plate 15, a support rod 16, square steel 17, a fastening bolt 18, a bolt 19, a three-jaw chuck 20, a servo motor 21, a water collecting groove 22, a movable fixed pin 23, an auxiliary disc 24 and a gear ring sector 25.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings. Please refer to the attached drawings.
As shown in fig. 1-4, a special intermediate frequency quenching machine for a working surface of a sprocket tooth comprises an intermediate frequency power supply, a quenching machine tool, an inductor movement mechanism, an operation control system, a quenching liquid cooling circulation system and a closed internal circulation cooling system for the intermediate frequency power supply; the intermediate frequency power supply comprises a capacitor cabinet 1 and a power supply cabinet 2; the quenching machine tool comprises a rotating workbench 7 controlled by a servo motor 21, a water retaining groove 8, a machine base 9, a water collecting groove 22 and a clamping mechanism for fixing and clamping the gear ring 6; the servo motor 21 controls the rotating workbench 7 to drive the clamped gear ring 6 to rotate; when one gear tooth is quenched, the rotary worktable 7 automatically rotates to the next gear tooth, the tooth number of the gear ring 6 can be used as a parameter to be input into the control system, and when all the gear teeth are quenched, the quenching switch is automatically stopped; in addition, the clamping mechanism is a three-jaw chuck 20, the outer end of the three-jaw chuck 20 is respectively connected with three square steels 17 used for supporting the gear ring 6 through bolts 19, a support for fixing the fine-adjustment and tightening bolts 18 is welded on the square steel 17, the connecting positions of the three-jaw chuck 20 and the three square steels 17 are adjusted in a telescopic mode according to the inner diameter of the gear ring 6, the gear ring 6 is hung on the workbench 7 and placed on the square steel 17, and the tightening bolts 18 are tightened after adjustment, so that clamping is completed; when the gear ring 6 is divided into a plurality of gear ring sectors 25, the auxiliary disc 24 is arranged on the three-jaw chuck 20, a plurality of positioning holes for positioning the gear ring 6 are arranged on the auxiliary disc 24, the gear ring sectors 25 are respectively arranged on the auxiliary disc 24, and two movable fixing pins 23 are inserted on each gear ring sector 25 to finish clamping and fixing; the whole gear ring sector 25 (or a single gear ring sector) can be fixed for quenching operation, it should be noted that the auxiliary disc 24 is a universal part, the positioning hole on the auxiliary disc 24 can be used for different gear ring sectors 25, and the auxiliary disc 24 is also suitable for clamping and fixing scattered gear blocks; the inductor movement mechanism comprises a quenching transformer 4 and an inductor 5; the quenching transformer 4 is fixed on a bottom plate 15 through 4 support rods 16, the bottom plate 15 moves left and right on a first track 12 through a precision ball screw, a pull rod 11 on a first linear reciprocating speed regulating motor 10 is connected with the bottom plate 15 and drives the bottom plate 15 and an inductor movement mechanism to move left and right in the horizontal direction, and an inductor 5 is adjusted to a specified gap between the inductor and a gear tooth according to process requirements; the second linear reciprocating speed regulating motor 13 drives the quenching transformer 4 to move up and down along the second track 14. The preheating of the gear teeth (the downward movement of the inductor 5) and the intermediate frequency quenching (the upward movement of the inductor 5) are carried out according to the process, and the movement direction and speed can be set and regulated.
Further, the first linear reciprocating speed regulating motor 10 and the second linear reciprocating speed regulating motor 13 are variable-frequency speed regulating motors.
The specific working process is as follows: closing an air switch and a control power supply air switch on the power supply cabinet 2; opening a switch of the closed internal circulation cooling system on the operation console 3, starting a medium-frequency power switch, adjusting a power adjusting knob to enable the power adjusting knob to reach required power, and adjusting a frequency adjusting knob to enable the frequency adjusting knob to reach required frequency; hoisting the gear ring 6 to a clamping mechanism of the workbench 7, and screwing the bolt 18 to fix the gear ring 6 after adjustment; pressing a horizontal moving button of an inductor 5 on an operation console 3, and adjusting the gap between the inductor 5 and the gear teeth to meet the process requirement; pressing an up-and-down movement button of an inductor 5 on an operation console 3 to carry out no-load debugging, setting and adjusting up-and-down movement stroke and movement speed of the inductor 5 relative to the gear teeth according to technological parameter requirements, pressing a corresponding button to move the inductor 5 to the top of the upper end of the gear teeth, then starting to move downwards (preheating the surface of the gear teeth in the process), stopping when the inductor 5 reaches the bottom of the lower end of the gear teeth, then moving upwards in the reverse direction (intermediate frequency continuous quenching of the gear teeth in the process), until the inductor returns to the top of the upper end of the gear teeth, the parameters set according to the technological requirements need to be tested and inspected, carrying out formal production of products after passing inspection, storing the qualified technological parameters into an operation system, conveniently calling out and using the parameters later, adjusting the cooling liquid pressure in a cooling circulation system to the specified requirements, and sequentially pressing down the cooling buttons of the quenching liquid after all, then, a quenching switch button is pressed (a quenching transformer 4 starts working), the gear teeth start preheating through medium-frequency quenching until quenching is finished, then the inductor 5 returns to the upper end surface of the gear teeth, the workbench 7 automatically rotates to the upper end of the next gear teeth, the quenching process is repeated until the last gear teeth are quenched, the quenching switch is automatically closed, the quenching liquid cooling button is closed, the quenched gear ring 6 is dismounted, a new gear ring 6 is clamped again, the induction ring 5 is aligned with the gear teeth, the quenching liquid cooling button is pressed, the quenching switch button is pressed, and quenching of the gear ring 6 is restarted. And after the work is finished, a button of the quenching liquid cooling system is closed, the medium-frequency power switch is closed, and finally a cooling water switch of the internal circulation cooling system is closed.
To sum up, the utility model discloses a rotary worktable is driven to the servo motor control and the sprocket accomplishes the rotation action, reaches the up-and-down motion with controlling about two variable frequency speed governing motors control inductor and quenching transformer respectively, through control system, accomplishes the quenching of sprocket teeth of a cogwheel working face, and this special plane is semi-automatic sprocket intermediate frequency quenching equipment, and the suitability is strong, easy operation and high efficiency.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.
Claims (2)
1. A special intermediate frequency quenching machine for a working surface of a sprocket tooth is characterized by comprising an intermediate frequency power supply, a quenching machine tool, an inductor movement mechanism, an operation control system, a quenching liquid cooling circulation system and an internal circulation cooling system for the intermediate frequency power supply;
the intermediate frequency power supply comprises a capacitor cabinet and a power supply cabinet;
the quenching machine tool comprises a rotating workbench controlled by a servo motor, a water retaining groove, a machine base, a water collecting groove and a clamping mechanism for fixedly clamping a gear ring; the servo motor controls the rotating workbench to drive the clamped gear ring to rotate;
the clamping mechanism is a three-jaw chuck, the outer end of the three-jaw chuck is respectively connected with three square steels for supporting the gear ring through bolts, a support for fixing and finely adjusting a fastening bolt is welded on the square steel, the three-jaw chuck and the connecting positions of the three-jaw chuck and the three square steels are telescopically adjusted according to the inner diameter of the gear ring, the gear ring is hung on the workbench and placed on the square steel, and the fastening bolt is screwed after adjustment to finish clamping; when the gear ring is divided into a plurality of gear ring sector shapes, an auxiliary disc is arranged on the three-jaw chuck, a plurality of positioning holes for positioning the gear ring are formed in the auxiliary disc, the gear ring sectors are respectively arranged on the auxiliary disc, and two movable fixing pins are inserted into each gear ring sector to finish clamping and fixing;
the inductor movement mechanism comprises a quenching transformer and an inductor; the quenching transformer is fixed on a bottom plate through 4 supporting rods, the bottom plate moves left and right on a first track through a precision ball screw, a pull rod on a first linear reciprocating speed regulating motor is connected with the bottom plate and drives the bottom plate and the inductor movement mechanism to move left and right in the horizontal direction, and the inductor is adjusted to a specified gap between the inductor and the gear teeth according to process requirements; and the second linear reciprocating speed regulating motor drives the quenching transformer to move up and down along the second track.
2. The special intermediate frequency quenching machine for the working surface of the sprocket and the gear tooth as claimed in claim 1, wherein the first linear reciprocating speed regulating motor and the second linear reciprocating speed regulating motor are variable frequency speed regulating motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231656.9U CN210341009U (en) | 2019-07-31 | 2019-07-31 | Special intermediate frequency quenching machine for working surface of sprocket tooth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231656.9U CN210341009U (en) | 2019-07-31 | 2019-07-31 | Special intermediate frequency quenching machine for working surface of sprocket tooth |
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| CN210341009U true CN210341009U (en) | 2020-04-17 |
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| CN201921231656.9U Active CN210341009U (en) | 2019-07-31 | 2019-07-31 | Special intermediate frequency quenching machine for working surface of sprocket tooth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853076A (en) * | 2020-12-29 | 2021-05-28 | 郑州机械研究所有限公司 | Single-tooth induction quenching process for spiral bevel gear |
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2019
- 2019-07-31 CN CN201921231656.9U patent/CN210341009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853076A (en) * | 2020-12-29 | 2021-05-28 | 郑州机械研究所有限公司 | Single-tooth induction quenching process for spiral bevel gear |
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