Ejection structure of automobile crankshaft forging die

Abstract

The utility model discloses an automobile crankshaft forging die ejection structure which comprises a mounting plate, a die body is mounted at the top of the mounting plate, a moving plate is arranged below the die body, an ejection plate is fixedly connected to the top of the moving plate, and the ejection plate is movably connected with the die body. And an impact plate is arranged below the moving plate. Through mutual cooperation of the mounting plate, the mold main body, the moving plate, the ejection plate, the impact plate, a limiting frame, a telescopic rod I, a spring, an impact block, a treading frame, a threaded rod, a clamping plate, a clamping block, a bayonet, a supporting leg, a damper, a connecting plate, a vertical plate, a transverse plate, a positioning plate, a fixing plate, a motor and a cam; the automobile crankshaft in the mold is ejected in a vibration impact mode generated by impact, so that the automobile crankshaft is easily separated from the mold in the impact vibration mode, damage to the automobile crankshaft caused by rigid direct pushing can be avoided, and the mold is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile crankshaft forging technology, concretely to a automobile crankshaft forging die ejection structure. BACKGROUND

[0002] The crankshaft is an important part in the automobile engine, which cooperates with the connecting rod to change the gas pressure on the piston into rotating power and transmit to the chassis transmission mechanism. The crankshaft can be processed by casting or forging. The casting forming is relatively easy, and the forging forming process is complex. However, with the development of technology in recent years, the emergence of large hydraulic press makes it possible to forge workpieces within 200 kg, and the forging organization can eliminate the defects of raw materials and organization defects. Therefore, the automobile crankshaft is usually made by forging. The automobile crankshaft die ejection structure in the prior art generally directly pushes out, but in fact, there is a certain extrusion force between the forged crankshaft and the die. Directly pushing out is not easy and can easily damage the automobile crankshaft, which is inconvenient to use.

[0003] Therefore, we propose a automobile crankshaft forging die ejection structure to perfect and supplement the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a automobile crankshaft forging die ejection structure to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a automobile crankshaft forging die ejection structure, including the mounting plate, the top of mounting plate installs the die main part, the lower portion of die main part is provided with the moving plate, the top of moving plate is fixedly connected with the ejection plate, the ejection plate is movably connected between the die main part, the lower portion of moving plate is provided with the impact plate.

[0006] Optionally, the bottom of the mounting plate is fixedly connected with a limiting frame, and the bottom of the moving plate is in contact with the limiting frame.

[0007] Optionally, the top of the impact plate is fixedly connected with a telescopic rod one, the top end of the telescopic rod one is fixedly connected with the bottom of the mounting plate, a spring is sleeved on the surface of the telescopic rod one, the top of the impact plate is fixedly connected with an impact block, and the top of the impact block is in contact with the bottom of the moving plate.

[0008] Optionally, the bottom of the impact plate is fixedly connected with a stepping frame.

[0009] Optionally, a threaded rod is rotatably arranged in the slot at the bottom of the mounting plate, a clamping plate is threadedly connected to the surface of the threaded rod, and a clamping block is fixedly connected to the lower part of one side of the clamping plate.

[0010] Optionally, the motion plate is provided with a bayonet, and the bottom of the clamping plate extends into the bayonet, and the clamping block is movably inserted on the motion plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses through the mutual cooperation of mounting plate, mould main part, motion plate, ejection plate, impact plate, limit frame, telescopic link no. 1, spring, impact block, treading frame, threaded rod, clamping plate, clamping block, bayonet, support leg, damper, connecting plate, vertical board, horizontal board, positioning plate, fixed plate, motor and cam, in the process of using, it is the automobile crankshaft in the mould that is ejected by the vibration impact mode of impact, and the automobile crankshaft is separated from the mould easily in the vibration mode, and automobile crankshaft damage caused by the direct push of rigidity also can be avoided, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure section view of the front view of the utility model;

[0014] Figure 2 It is the structure schematic view of the right view of the ejection plate of the utility model;

[0015] Figure 3 It is the structure schematic view of the utility model three-dimensional view;

[0016] Figure 4 It is the structure schematic view of the part structure three-dimensional view of the utility model.

[0017] In the drawing: 1 mounting plate, 2 mould main part, 3 motion plate, 4 ejection plate, 5 impact plate, 6 limit frame, 7 telescopic link no. 1, 8 spring, 9 impact block, 10 treading frame, 11 threaded rod, 12 clamping plate, 13 clamping block, 14 bayonet, 15 support leg, 16 damper, 17 connecting plate, 18 vertical board, 19 horizontal board, 20 positioning plate, 21 fixed plate, 22 motor, 23 cam, 24 rotating sleeve, 25 bearing. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figures 1-4The utility model provides an automobile crank forging die ejection structure, including mounting plate 1, the top of mounting plate 1 is equipped with mould body 2, the lower portion of mould body 2 is provided with moving plate 3, the top of moving plate 3 is fixedly connected with ejection plate 4, and ejection plate 4 is movably connected between mould body 2, the lower portion of moving plate 3 is provided with impact plate 5, and the corresponding position of ejection plate 4 is driven is the rotating shaft of automobile crank.

[0020] Please see Figures 1-4 The bottom of mounting plate 1 is fixedly connected with limiting frame 6, the bottom of moving plate 3 is in contact with limiting frame 6, the four corners of the bottom of mounting plate 1 are fixedly connected with supporting leg 15, the top of moving plate 3 is fixedly connected with damper 16, the top of damper 16 is fixedly connected with the bottom of mounting plate 1, and the damper 16 is provided to buffer certain impact force, but will not completely eliminate the impact force.

[0021] Please see Figures 1-4 The top of impact plate 5 is fixedly connected with telescopic link one 7, the top of telescopic link one 7 is fixedly connected with the bottom of mounting plate 1, the surface of telescopic link one 7 is equipped with spring 8, the top of impact block 9 is fixedly connected with the top of impact plate 5, the top of impact block 9 is in contact with the bottom of moving plate 3, one end of spring 8 is fixedly connected with the top of moving plate 3, and the other end of spring 8 is fixedly connected with the bottom of mounting plate 1.

[0022] Please see Figures 1-4 The bottom of impact plate 5 is fixedly connected with treading frame 10, the side of treading frame 10 is connected with vertical plate 18 through connecting plate 17, the right side of vertical plate 18 is fixedly connected with horizontal plate 19, the lower portion of mounting plate is provided with positioning plate 20, positioning plate 20 is fixedly connected with supporting leg 15, the side of positioning plate 20 is fixedly connected with fixed plate 21, motor 22 is installed at the rear side of fixed plate 21, the surface of motor 22 output shaft is fixedly connected with cam 23, motor 22 and cam 23 are arranged, so that the movement of impact plate 5 can be automatic or artificial.

[0023] Please see Figures 1-4 The bottom of mounting plate 1 is rotatably provided with threaded rod 11 in the slot, the surface of threaded rod 11 is threadedly connected with clamping plate 12, the lower portion of one side of clamping plate 12 is fixedly connected with clamping block 13, the middle part of threaded rod 11 is smooth, and both sides are screw set, and the screw direction on the surface of threaded rod 11 and the screw direction in the inner wall of clamping plate 12 are specially selected, which meets the requirement that when threaded rod 11 rotates, according to the different rotating directions, two clamping plates 12 move in the direction of approaching each other or moving in the direction of moving away from each other.

[0024] Please see Figures 1-4The clamping block 13 is movably inserted on the moving plate 3, the bearing 25 is arranged in the groove corresponding to the end of the threaded rod 11 on the mounting plate 1, the inner wall of the inner ring of the bearing 25 is fixedly connected with the surface of the threaded rod 11, the surface of the outer ring of the bearing 25 is fixedly connected with the mounting plate 1, the smooth surface of the middle part of the threaded rod 11 is fixedly connected with the rotating sleeve 24, and the rotating sleeve 24 is arranged to facilitate the staff to manually rotate the threaded rod 11.

[0025] In use, the threaded rod 11 is rotated through the rotating sleeve 24, the rotation of the threaded rod 11 drives the two clamping plates 12 to move towards each other, the clamping plates 12 drive the clamping blocks 13 to be separated from the moving plate 3, so that the moving plate 3 is unlocked and can move upwards, then the staff can use the foot to press the treading frame 10, the treading frame 10 drives the impact plate 5 to move, the telescopic rod 7 and the spring 8 are elongated, then the foot is separated from the treading frame 10, the spring 8 drives the impact plate 5 to move upwards, the impact plate 5 drives the moving plate 3 to move upwards through the impact block 9, so that the moving plate 3 moves upwards, the damper 16 buffers a certain impact force, so that on the one hand, the impact force is avoided to be too large, so as to cause the damage of the automobile crankshaft, on the other hand, the remaining force drives the automobile crankshaft through the ejection plate 4, and repeatedly pressing the treading frame 10 can quickly eject the automobile crankshaft from the mold, the motor 22 works, the motor 22 drives the cam 23 to rotate, the cam 23 does not impact the horizontal plate 19, and the impact plate 5 driven by the spring 8 to move upwards after the treading frame 10 moves downwards, the movement of the impact plate 5 driven by the motor 22 is automatic operation, which reduces the work burden of the staff, and the movement of the impact plate 5 manually operated is not automatic, but can save energy (electricity).

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A knockout structure of a crank forging die for an automobile, comprising a mounting plate (1), characterized in that: The top of the mounting plate (1) is provided with a mold body (2), the lower portion of the mold body (2) is provided with a movement plate (3), the top of the movement plate (3) is fixedly connected with an ejection plate (4), the ejection plate (4) is movably connected with the mold body (2), and the lower portion of the movement plate (3) is provided with an impact plate (5).

2. The knockout structure of a crankshaft forging die for an automobile according to claim 1, characterized in that: The bottom of the mounting plate (1) is fixedly connected with a limiting frame (6), and the bottom of the movement plate (3) is in contact with the limiting frame (6).

3. The knockout structure of a crankshaft forging die for an automobile according to claim 2, characterized in that: The top of the impact plate (5) is fixedly connected with a telescopic rod (7), the top end of the telescopic rod (7) is fixedly connected with the bottom of the mounting plate (1), the surface of the telescopic rod (7) is provided with a spring (8), the top of the impact plate (5) is fixedly connected with an impact block (9), and the top of the impact block (9) is in contact with the bottom of the movement plate (3).

4. The knockout structure of a crankshaft forging die for an automobile according to claim 3, characterized in that: The bottom of the impact plate (5) is fixedly connected with a treading frame (10).

5. The knockout structure of a crankshaft forging die for an automobile according to claim 4, characterized in that: The bottom of the mounting plate (1) is provided with a threaded rod (11) which is rotatably arranged in a slot, the surface of the threaded rod (11) is threadedly connected with a clamping plate (12), and the lower portion of one side of the clamping plate (12) is fixedly connected with a clamping block (13).

6. The knockout structure of a crankshaft forging die for an automobile according to claim 5, wherein: A clamping hole (14) is formed in the movement plate (3), the bottom of the clamping plate (12) extends to the inside of the clamping hole (14), and the clamping block (13) is movably inserted into the movement plate (3).

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