Crankshaft connecting rod neck surface quenching equipment

Abstract

The utility model relates to the technical field of heat treatment, in particular to surface quenching equipment for a crankshaft connecting rod neck, which not only can quench a crankshaft, but also can automatically clean quenching liquid on the surface of the crankshaft, facilitates further processing of the crankshaft, and is convenient to use and high in practicability. Comprising a bottom plate, a box body and a laser quenching machine, a laser is arranged on the laser quenching machine, and the box body is fixedly installed at the upper end of the bottom plate; a cooling cavity and a cleaning cavity are formed in the left portion and the right portion of the box body correspondingly, the partition plate is fixedly installed on the box body and used for separating the cooling cavity from the cleaning cavity, quenching liquid is arranged in the cooling cavity, cleaning liquid is arranged in the cleaning cavity, and the moving mechanism is located above the box body and used for moving the crankshaft. The laser is installed on the translation mechanism which is used for moving the laser back and forth.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat treatment especially relates to a crankshaft connecting rod neck surface quenching equipment. BACKGROUND

[0002] The crankshaft is an important part on the engine, which is mainly used for converting the linear motion of the piston into rotary motion and outputting certain torque, and the shaft neck part on the crankshaft is an important node on the crankshaft, which bears large force, in order to improve the strength and hardness of the crankshaft shaft neck part, the crankshaft shaft neck part needs to be quenched, in the prior art, the utility model patent with the patent application number 201220373184.2 discloses a crankshaft connecting rod shaft neck quenching device, which is mainly composed of a quenching induction head, a cooling water spray head and an eccentric seat, when in use, the quenching induction head heats the shaft neck part of the crankshaft to the quenching temperature, then the cooling water spray head sprays the cooling liquid to the shaft neck part of the crankshaft, so that the shaft neck part is rapidly cooled, the present inventor considers that the device has the following problems in the use process, when cooling the crankshaft, the crankshaft is cooled by spraying the cooling liquid to the crankshaft, after the cooling of the crankshaft is completed, some cooling liquid remains on the surface of the crankshaft, the remaining cooling liquid on the crankshaft will affect the subsequent continuous processing of the crankshaft, so a quenching device capable of automatically removing the cooling liquid on the surface of the crankshaft is needed. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, the utility model provides a crankshaft connecting rod neck surface quenching equipment which can not only quench the crankshaft, but also automatically clean the quenching liquid on the surface of the crankshaft, facilitate further processing of the crankshaft, is convenient to use, and has high practicability.

[0004] The utility model discloses a crankshaft connecting rod neck surface quenching equipment, including bottom plate, box and laser quenching machine, be provided with laser on the laser quenching machine, and the box fixed mounting is at the bottom plate upper end, still including baffle, translation mechanism and moving mechanism, and the left and right two parts of box are provided with cooling cavity and cleaning cavity respectively, and the baffle fixed mounting is at the box, and the baffle is used for separating cooling cavity and cleaning cavity, and is provided with quenching liquid in the cooling cavity, and is provided with cleaning fluid in the cleaning cavity, and the moving mechanism is located the top of box, and the moving mechanism is used for moving the crankshaft, and the laser installation is at translation mechanism, and translation mechanism is used for moving the laser before and after, when the crankshaft journal surface quenching, first through the moving mechanism to the crankshaft movement, make the crankshaft journal move to be consistent with the height of laser, then through the translation mechanism and make the laser close to the crankshaft journal, then open the laser, make the laser heat the crankshaft journal, make the crankshaft journal be heated to quenching temperature quickly, then close the laser, then through the moving mechanism and make the heated crankshaft descend to the cooling cavity of box and contact with quenching liquid, through quenching liquid and make the crankshaft cool quickly, make the crankshaft complete quenching, then make the crankshaft move to the cleaning cavity of the right part of box and contact with cleaning fluid, through the cleaning fluid and clean the quenching liquid on the crankshaft surface, can, it not only can quench the crankshaft, but also can automatically clean the quenching liquid on the crankshaft surface, make further processing to the crankshaft convenient, convenient to use, the practicality is high.

[0005] Preferably, the translation mechanism includes a support plate, a hydraulic cylinder A, a push rod, a sliding rod, and a mounting plate. The support plate is fixedly installed on the upper end of the bottom plate. The hydraulic cylinder A is fixedly installed on the front end of the support plate. The push rod and the sliding rod are both slidably installed on the support plate. The front end of the push rod is connected with the output end of the hydraulic cylinder A. The mounting plate is fixedly installed on the rear end of the push rod and the sliding rod. The laser is fixedly installed on the rear end of the mounting plate. When quenching the surface of the crankshaft journal, when the height of the crankshaft journal is moved to be consistent with the height of the laser, the hydraulic cylinder A is then opened. The hydraulic cylinder A moves the mounting plate to drive the laser to approach the crankshaft journal through the push rod. Then the laser is turned on to heat the crankshaft journal. The laser is convenient for quenching the crankshaft.

[0006] Preferably, the moving mechanism includes an electric turntable, a rotating shaft, a three-jaw chuck, and a lifting mechanism. The electric turntable is installed on the lifting mechanism. The lifting mechanism is used for lifting the electric turntable. The rotating shaft is installed on the rotating end of the lower part of the electric turntable. The three-jaw chuck is fixedly installed on the rotating shaft. When the upper end of the crankshaft is clamped and fixed by the three-jaw chuck, the lifting mechanism is opened to adjust the height of the crankshaft. The electric turntable drives the rotating shaft and the three-jaw chuck to adjust the height, so that the height of the crankshaft is adjusted. When the laser heats the crankshaft journal, the electric turntable is opened. The electric turntable drives the three-jaw chuck to rotate the crankshaft through the rotating shaft. The crankshaft is uniformly heated by the laser during rotation, which improves the uniformity of the laser heating and improves the quenching effect.

[0007] Preferably, the lifting mechanism comprises an electric slide rail, a sliding block, a hydraulic cylinder B and a lifting rod, the electric slide rail is provided with a lifting frame, the sliding block is installed on the electric slide rail, the electric slide rail is used for moving the sliding block left and right, the hydraulic cylinder B is fixedly installed at the lower end of the sliding block, the output end of the hydraulic cylinder B is provided with the lifting rod, and the electric turntable is fixedly installed at the lower end of the lifting rod; the electric slide rail is fixedly installed on the support of the workshop through the lifting frame; when the height of the crankshaft is adjusted, the hydraulic cylinder B is opened, the hydraulic cylinder B drives the electric turntable to drive the rotating shaft and the three-jaw chuck to adjust the height through the lifting rod, and then the height of the crankshaft is adjusted; when the crankshaft is moved into the cleaning cavity from the cooling cavity, first, the crankshaft is moved above the box body, then the electric slide rail is opened, the electric slide rail drives the sliding block to move right, the sliding block drives the hydraulic cylinder B to drive the lifting rod and the electric turntable to move right, and then the rotating shaft, the three-jaw chuck and the crankshaft are moved above the cleaning cavity, and then the crankshaft is lowered into the cleaning cavity to clean the surface of the quenching liquid, thereby facilitating the movement of the crankshaft.

[0008] Preferably, the ultrasonic generator is installed on the box body, the ultrasonic generator is provided with a transducer, and the output end of the ultrasonic generator is located in the cleaning cavity; when the crankshaft is cleaned in the cleaning cavity, the ultrasonic generator is opened, and the cleaning effect of the cleaning liquid on the surface of the quenching liquid of the crankshaft is improved.

[0009] Preferably, the heat dissipation fin is installed on the left part of the box body, and the heat dissipation fin is communicated with the cooling cavity; through the above arrangement, the heat dissipation effect of the quenching liquid in the cooling cavity is improved.

[0010] Preferably, the blower is located on the right side of the cleaning cavity; after the crankshaft is cleaned in the cleaning cavity, the crankshaft is moved to the left side of the blower, the cleaning liquid on the surface of the crankshaft is blown clean through the blower, and the convenience is improved.

[0011] Compared with the prior art, the beneficial effects of the utility model are that not only the crankshaft can be quenched, but also the quenching liquid on the surface of the crankshaft can be automatically cleaned, the further processing of the crankshaft is facilitated, the utility model is convenient to use and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the first axis measurement structure schematic view of the utility model;

[0013] Figure 2 is the second axis measurement structure schematic view of the utility model;

[0014] Figure 3 is the structure schematic view of the hydraulic cylinder B, the lifting rod and the three-jaw chuck;

[0015] Figure 4 is the structure schematic view of the hydraulic cylinder A, the push rod and the mounting plate.

[0016] Figure 5 is the structural diagram of the electric slide rail and the sliding block.

[0017] The marks in the drawings: 1, bottom plate; 2, box; 3, laser; 4, partition; 5, support plate; 6, hydraulic cylinder A; 7, push rod; 8, sliding rod; 9, mounting plate; 10, electric turntable; 11, rotating shaft; 12, three-jaw chuck; 13, electric slide rail; 14, sliding block; 15, hydraulic cylinder B; 16, lifting rod; 17, ultrasonic generator; 18, cooling fin; 19, hair dryer; 20, crankshaft. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0019] Example 1

[0020] As Figures 1 to 5 , the crankshaft connecting rod neck surface quenching equipment includes bottom plate 1, box 2, laser quenching machine, partition 4, translation mechanism and moving mechanism, the laser quenching machine is provided with laser 3, the box 2 is fixedly installed on the upper end of the bottom plate 1, the left and right two parts of the box 2 are provided with cooling cavity and cleaning cavity respectively, the partition 4 is fixedly installed on the box 2, and the partition 4 is used to separate the cooling cavity and the cleaning cavity, the cooling cavity is provided with quenching liquid, the cleaning cavity is provided with cleaning liquid, the moving mechanism is located above the box 2, and the moving mechanism is used to move the crankshaft 20, the laser 3 is installed on the translation mechanism, and the translation mechanism is used to move the laser 3 back and forth; when the journal surface of the crankshaft 20 is quenched, first, the moving mechanism is used to move the crankshaft 20, so that the journal of the crankshaft 20 is moved to be consistent with the height of the laser 3, then the translation mechanism is used to make the laser 3 close to the journal of the crankshaft 20, then the laser 3 is turned on, the laser 3 is used to heat the journal of the crankshaft 20, the journal of the crankshaft 20 is rapidly heated to quenching temperature, then the laser 3 is turned off, then the moving mechanism is used to make the heated crankshaft 20 descend into the cooling cavity of the box 2 and contact with the quenching liquid, the quenching liquid is used to rapidly cool the crankshaft 20, so that the crankshaft 20 is quenched, then the crankshaft 20 is moved into the cleaning cavity of the right part of the box 2 and contacts with the cleaning liquid, and the quenching liquid on the surface of the crankshaft 20 is cleaned by the cleaning liquid; not only the crankshaft 20 can be quenched, but also the quenching liquid on the surface of the crankshaft 20 can be automatically cleaned, so that the further processing of the crankshaft 20 is facilitated, the use is convenient, and the practicability is high.

[0021] As Figure 1 and Figure 4The translation mechanism comprises a support plate 5, a hydraulic cylinder A6, a push rod 7, a sliding rod 8 and a mounting plate 9. The support plate 5 is fixedly installed at the upper end of the base plate 1. The hydraulic cylinder A6 is fixedly installed at the front end of the support plate 5. The push rod 7 and the sliding rod 8 are both slidably installed on the support plate 5. The front end of the push rod 7 is connected with the output end of the hydraulic cylinder A6. The mounting plate 9 is fixedly installed at the rear end of the push rod 7 and the sliding rod 8. The laser 3 is fixedly installed at the rear end of the mounting plate 9. When quenching the journal surface of the crankshaft 20, the height of the journal of the crankshaft 20 is moved to be consistent with the height of the laser 3. Then the hydraulic cylinder A6 is opened. The hydraulic cylinder A6 drives the mounting plate 9 to move the laser 3 to the journal of the crankshaft 20 through the push rod 7. Then the laser 3 is opened. The laser 3 can heat the journal of the crankshaft 20. The quenching of the crankshaft 20 is facilitated.

[0022] As Figure 1 , Figure 3 and Figure 5 , the moving mechanism comprises an electric turntable 10, a rotating shaft 11, a three-jaw chuck 12 and a lifting mechanism. The electric turntable 10 is installed on the lifting mechanism. The lifting mechanism is used for lifting the electric turntable 10. The rotating shaft 11 is installed at the rotating end of the lower part of the electric turntable 10. The three-jaw chuck 12 is fixedly installed on the rotating shaft 11. When the upper end of the crankshaft 20 is clamped and fixed by the three-jaw chuck 12, the height of the crankshaft 20 is adjusted. The lifting mechanism is opened. The electric turntable 10 drives the rotating shaft 11 and the three-jaw chuck 12 to adjust the height, so that the height of the crankshaft 20 is adjusted. When the journal of the crankshaft 20 is heated by the laser 3, the electric turntable 10 is opened. The electric turntable 10 drives the three-jaw chuck 12 to rotate the crankshaft 20 through the rotating shaft 11. The crankshaft 20 is uniformly heated by the laser 3 in the process of rotation. The uniformity of heating by the laser 3 is improved. The effect of quenching is improved.

[0023] As Figure 3, the lifting mechanism includes electric slide rail 13, sliding block 14, hydraulic cylinder B15 and lifting rod 16, the electric slide rail 13 is provided with a lifting frame, the sliding block 14 is installed on the electric slide rail 13, the electric slide rail 13 is used to move the sliding block 14 left and right, the hydraulic cylinder B15 is fixedly installed at the lower end of the sliding block 14, the output end of the hydraulic cylinder B15 is provided with the lifting rod 16, and the electric turntable 10 is fixedly installed at the lower end of the lifting rod 16;The electric slide rail 13 is fixedly installed on the support of the workshop through the lifting frame;When the height of the crankshaft 20 is adjusted, the hydraulic cylinder B15 is opened, the hydraulic cylinder B15 drives the electric turntable 10 to adjust the height of the rotating shaft 11 and the three-jaw chuck 12 through the lifting rod 16, and then the height of the crankshaft 20 can be adjusted;When the crankshaft 20 is moved into the cleaning cavity from the cooling cavity, first, the crankshaft 20 is moved above the box body 2, then the electric slide rail 13 is opened, the electric slide rail 13 drives the sliding block 14 to move right, the sliding block 14 drives the hydraulic cylinder B15 to drive the lifting rod 16 and the electric turntable 10 to move right, and then the rotating shaft 11, the three-jaw chuck 12 and the crankshaft 20 are moved above the cleaning cavity, and then the crankshaft 20 is lowered into the cleaning cavity to clean the surface of the quenching liquid, and the movement of the crankshaft 20 is facilitated.

[0024] Further include ultrasonic generator 17, ultrasonic generator 17 is installed on the box body 2, the ultrasonic generator 17 is provided with a transducer, and the output end of the ultrasonic generator 17 is located in the cleaning cavity;When the crankshaft 20 is cleaned in the cleaning cavity, the ultrasonic generator 17 is opened, and the cleaning effect of the cleaning liquid on the surface of the crankshaft 20 is improved.

[0025] Further include fin 18, fin 18 is installed on the left part of the box body 2, and the fin 18 communicates with the cooling cavity;Through the above setting, the heat dissipation effect of the quenching liquid in the cooling cavity is improved.

[0026] Embodiment 2

[0027] On the basis of embodiment 1, further include hair dryer 19, the output end of the hair dryer 19 is located on the right side of the cleaning cavity;When the crankshaft 20 is cleaned in the cleaning cavity, the crankshaft 20 is moved to the left side of the hair dryer 19, the cleaning liquid on the surface of the crankshaft 20 is blown clean through the hair dryer 19, and the convenience is improved.

[0028] The laser 3, the electric turntable 10, the three-jaw chuck 12, the electric slide rail 13, the ultrasonic generator 17, the fin 18 and the hair dryer 19 of the crankshaft connecting rod journal surface quenching equipment are all purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0029] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A crankshaft connecting rod neck surface quenching device, comprising a base plate (1), a box (2) and a laser quenching machine, a laser (3) is arranged on the laser quenching machine, and the box (2) is fixedly installed on the upper end of the base plate (1); characterized in that, It also includes a partition (4), a translation mechanism and a moving mechanism, the left and right parts of the box (2) are respectively provided with a cooling cavity and a cleaning cavity, the partition (4) is fixedly installed on the box (2), the partition (4) is used for separating the cooling cavity and the cleaning cavity, the cooling cavity is provided with quenching liquid, the cleaning cavity is provided with cleaning liquid, the moving mechanism is located above the box (2), the moving mechanism is used for moving the crankshaft (20), the laser (3) is installed on the translation mechanism, and the translation mechanism is used for moving the laser (3) forward and backward.

2. A crankshaft journal surface hardening apparatus as claimed in claim 1 wherein, The translation mechanism comprises a support plate (5), a hydraulic cylinder A (6), a push rod (7), a sliding rod (8) and a mounting plate (9), the support plate (5) is fixedly installed on the upper end of the bottom plate (1), the hydraulic cylinder A (6) is fixedly installed on the front end of the support plate (5), the push rod (7) and the sliding rod (8) are both slidingly installed on the support plate (5), the front end of the push rod (7) is connected with the output end of the hydraulic cylinder A (6), and the mounting plate (9) is fixedly installed on the rear ends of the push rod (7) and the sliding rod (8). The laser (3) is fixedly installed on the rear end of the mounting plate (9).

3. A crankshaft journal surface hardening apparatus as claimed in claim 1 wherein, The moving mechanism comprises a motorized turntable (10), a rotating shaft (11), a three-jaw chuck (12) and a lifting mechanism, the motorized turntable (10) is installed on the lifting mechanism, the lifting mechanism is used for lifting the motorized turntable (10), the rotating shaft (11) is installed on the rotating end of the lower part of the motorized turntable (10), and the three-jaw chuck (12) is fixedly installed on the rotating shaft (11).

4. A crankshaft journal surface hardening apparatus as claimed in claim 3 wherein, The lifting mechanism comprises a motorized slide rail (13), a sliding block (14), a hydraulic cylinder B (15) and a lifting rod (16), the motorized slide rail (13) is provided with a lifting frame, the sliding block (14) is installed on the motorized slide rail (13), the motorized slide rail (13) is used for moving the sliding block (14) left and right, the hydraulic cylinder B (15) is fixedly installed on the lower end of the sliding block (14), the output end of the hydraulic cylinder B (15) is provided with the lifting rod (16), and the motorized turntable (10) is fixedly installed on the lower end of the lifting rod (16).

5. A crankshaft journal surface hardening apparatus as claimed in claim 1 wherein, It also includes an ultrasonic generator (17), the ultrasonic generator (17) is installed on the box (2), the ultrasonic generator (17) is provided with a transducer, and the output end of the ultrasonic generator (17) is located in the cleaning cavity.

6. A crankshaft journal surface hardening apparatus as claimed in claim 1 wherein, It also includes a cooling fin (18), the cooling fin (18) is installed on the left part of the box (2), and the cooling fin (18) communicates with the cooling cavity.

7. A crankshaft journal surface hardening apparatus as claimed in claim 1 wherein, It also includes a hair dryer (19), and the output end of the hair dryer (19) is located on the right side of the cleaning cavity.

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