Cooling device for quenching machining of crankshaft

Abstract

The utility model discloses a cooling device for crankshaft quenching processing, which relates to the field of crankshaft quenching processing and comprises a quenching box, an embedded groove is arranged at the top end of the quenching box, electric push rods are fixed at four corners of the bottom end of the embedded groove, a support plate is fixed at the top ends of the four electric push rods, and two clamping mechanisms are fixed at the top end of the support plate. The two clamping mechanisms are distributed in parallel in the length direction of the supporting plate, in the actual operation, in the initial state, the semicircular opening of the first semicircular clamp is arranged upwards, the upward arrangement of the semicircular opening facilitates supporting and placing of the end of a crankshaft, the crankshaft is prevented from falling off in the placing process, and the service life of the crankshaft is prolonged. When one end of the crankshaft is placed in the semicircular opening of the first semicircular clamp, the first semicircular clamp moves towards the second semicircular clamp under the influence of the weight of the crankshaft, so that the semicircular openings of the first semicircular clamp and the second semicircular clamp are combined into a circle, and the outer side of the end of the crankshaft is clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to the crankshaft quenching processing field especially a cooling device for crankshaft quenching processing. BACKGROUND

[0002] The crankshaft is an important machine part on the engine, which is made of carbon structural steel or nodular cast iron, has two important parts, the main journal and the connecting rod journal, and the quenching cooling technology refers to the technology that metal materials and components are heated to a certain temperature and then cooled at a predetermined rate to obtain the expected organization and performance.

[0003] The traditional cooling device can meet the demand of the prior art, but still has some deficiencies, for example, it is inconvenient to take and place the crankshaft after quenching.

[0004] Therefore, it is necessary to provide a cooling device for crankshaft quenching processing to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a cooling device for crankshaft quenching processing, to solve the traditional cooling device although can satisfy the demand of prior art, but still have some deficiencies, for example, it is inconvenient to take and place the crankshaft after quenching.

[0006] To achieve the above object, the utility model provides the following technical scheme: a cooling device for crankshaft quenching processing, including quenching box, the quenching box top end is equipped with the inlay groove, the inlay groove bottom end four corners are fixed with electric push rod, four electric push rods top end are fixed with the support plate, the support plate top end is fixed with two clamping mechanisms, and two clamping mechanisms are along the length direction parallel distribution of support plate.

[0007] The clamping mechanism includes first support frame and second support frame, the first support frame top end is rotatably connected with first semicircle card, the second support frame top end is fixed with second semicircle card, and the first semicircle card and second semicircle card are left with spacing, and the semicircular opening of second semicircle card faces first semicircle card.

[0008] Preferably, the middle part of the first semicircle card on both sides is fixed with a rotating shaft, and the two rotating shafts are rotatably connected to the inner wall of the first support frame.

[0009] Preferably, the quenching box side is equipped with a wind groove, the wind groove is fixed with a fan inside, and the air outlet of the fan is arranged towards the support plate.

[0010] Preferably, the semicircular opening of the first semicircle card is arranged upwards.

[0011] Preferably, a rotating disc is rotatably connected to the middle of the inner bottom end of the embedded groove, a plurality of turbulence columns are fixed to the top end of the rotating disc, a motor is fixed to the bottom end of the quenching box, and the driving shaft of the motor is connected to the center of the bottom end of the rotating disc.

[0012] Preferably, the two clamping mechanisms are arranged in a group, and a plurality of groups of clamping mechanisms are arranged in parallel along the width direction of the support plate.

[0013] The technical effects and advantages of the present application are as follows:

[0014] 1. In the actual operation of the present application, in the initial state, the semicircular opening of the first semicircular clamp is arranged upward, which is beneficial to support and place the crankshaft end, avoiding the crankshaft from falling during placement. When one end of the crankshaft is placed in the semicircular opening of the first semicircular clamp, the first semicircular clamp will move towards the second semicircular clamp due to the weight of the crankshaft, so that the semicircular openings of the first semicircular clamp and the second semicircular clamp are combined to form a circle, and the crankshaft end is clamped.

[0015] 2. When the support plate is lowered into the quenching liquid, the clamping mechanism can drive the crankshaft into the quenching liquid. Since the first semicircular clamp and the second semicircular clamp can clamp and fix the two ends of the crankshaft, the crankshaft can be prevented from floating and moving due to the liquid buoyancy during quenching. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the cooling device for crankshaft quenching processing.

[0017] Figure 2 It is a structural schematic view of the cooling device for crankshaft quenching processing. Figure 1 It is an enlarged schematic view of position A.

[0018] Figure 3 It is a structural schematic view of the air slot.

[0019] In the figure: 1, quenching box; 2, embedded groove; 3, electric push rod; 4, rotating disc; 5, turbulence column; 6, support plate; 7, clamping mechanism; 8, first support frame; 9, first semicircular clamp; 10, rotating shaft; 11, second support frame; 12, second semicircular clamp; 13, air slot. DETAILED DESCRIPTION

[0020] The present application provides a kind of cooling device for crankshaft quenching processing as shown in Figures 1-3 It includes quenching box 1, and quenching box 1 top is provided with embedded groove 2, and embedded groove 2 can be filled with quenching liquid.

[0021] The four corners of the bottom end of the embedded groove 2 are fixed with electric push rods 3, the top end of the four electric push rods 3 is fixed with a support plate 6, the top end of the support plate 6 is fixed with two clamping mechanisms 7, and the two clamping mechanisms 7 are distributed in parallel along the length direction of the support plate 6.

[0022] The two ends of the crankshaft can be clamped and fixed in the corresponding clamping mechanisms 7, the electric push rods 3 are started to descend to drive the crankshaft to be soaked in the quenching liquid, and the quenching work is completed.

[0023] The clamping mechanism 7 comprises a first support frame 8 and a second support frame 11, the top end of the first support frame 8 is rotationally connected with a first semicircular clamp 9, the top end of the second support frame 11 is fixed with a second semicircular clamp 12, a space is left between the first semicircular clamp 9 and the second semicircular clamp 12, the circular opening of the second semicircular clamp 12 faces the first semicircular clamp 9, the middle part of the two sides of the first semicircular clamp 9 is fixed with a rotating shaft 10, the two rotating shafts 10 are rotationally connected to the inner wall of the first support frame 8, the rotating shaft 10 is provided with a torsional spring, and the circular opening of the first semicircular clamp 9 is upwardly arranged.

[0024] In the actual operation of the utility model, in the initial state, the semicircular opening of the first semicircular clamp 9 is arranged upwardly, the semicircular opening arranged upwardly is beneficial to supporting and placing the crankshaft end part, when one end of the crankshaft is placed in the semicircular opening of the first semicircular clamp 9, the first semicircular clamp 9 is affected by the weight of the crankshaft and moves towards the second semicircular clamp 12, so that the semicircular openings of the first semicircular clamp 9 and the second semicircular clamp 12 are combined to be circular, and the crankshaft end part outside is clamped.

[0025] When the support plate 6 descends into the quenching liquid, the clamping mechanism 7 can drive the crankshaft to enter the quenching liquid, since the two ends of the crankshaft are clamped and fixed by the first semicircular clamp 9 and the second semicircular clamp 12, the crankshaft can be prevented from floating and moving due to the liquid buoyancy during quenching.

[0026] The quenching box 1 is provided with an air slot 13 on one side, the air slot 13 is internally fixed with a fan, the air outlet of the fan is arranged towards the support plate 6, the fan is started, the crankshaft after quenching can be cooled, and the excess quenching liquid can be blown away.

[0027] The inner end of the embedded groove 2 is rotationally connected with a rotating disc 4 in the middle part, the top end of the rotating disc 4 is fixed with a plurality of turbulence columns 5, the bottom end of the quenching box 1 is fixed with a motor, the driving shaft of the motor is connected with the bottom center of the rotating disc 4, when the motor is started, the plurality of turbulence columns 5 can be driven to rotate, so that the flow of the quenching liquid is realized.

[0028] The two clamping mechanisms 7 are arranged as a group, and a plurality of groups of clamping mechanisms 7 are arranged in parallel along the width direction of the support plate 6.

Claims

1. A cooling device for quenching process of crankshaft, comprising a quenching tank (1), characterized in that: The quenching box (1) top end is provided with an embedded groove (2), the embedded groove (2) bottom end four corners are fixed with electric push rod (3), four electric push rod (3) top end is fixed with support plate (6), the support plate (6) top end is fixed with two clamping mechanisms (7), two clamping mechanisms (7) along the length direction of support plate (6) parallel distribution; The clamping mechanism (7) includes a first support frame (8) and a second support frame (11), the first support frame (8) top end is rotatably connected with first semicircle card (9), the second support frame (11) top end is fixed with second semicircle card (12), the first semicircle card (9) and second semicircle card (12) are left with spacing, the semicircular opening of second semicircle card (12) faces first semicircle card (9).

2. The cooling device for quenching of crankshaft according to claim 1, characterized in that: The first semicircle card (9) both sides are fixed with the rotating shaft (10), the rotating shaft (10) is rotatably connected to the inner wall of first support frame (8), the rotating shaft (10) is provided with torsional spring.

3. The cooling device for quenching of crankshaft according to claim 1, characterized in that: The quenching box (1) one side is provided with air slot (13), the air slot (13) is fixed with fan inside, the air outlet of fan is towards support plate (6) setting.

4. The cooling device for quenching of crankshaft according to claim 1, characterized in that: The semicircular opening of the first semicircle card (9) is upwardly arranged.

5. The cooling device for quenching of crankshaft according to claim 1, characterized in that: The embedded groove (2) inside bottom end middle part is rotatably connected with turntable (4), the turntable (4) top end is fixed with a plurality of spoiler columns (5), the quenching box (1) bottom end is fixed with motor, the driving shaft of motor and turntable (4) bottom end center connection.

6. The cooling device for quenching of crankshaft according to claim 1, characterized in that: Two clamping mechanisms (7) are set as a group, and multiple groups are provided, and multiple clamping mechanisms (7) are distributed along the width direction of support plate (6) in parallel.

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