Combined forging die for machining coupling

Abstract

The utility model relates to the technical field of forging dies, and discloses a combined type forging die for processing a coupling, which comprises an upper forging die, a building block for forging the coupling is arranged in the upper forging die, the lower surface of the building block is a smooth surface, and the upper forging die is provided with a lower forging die. The first forging cavity used for shaping is formed in the upper forging die, the second forging cavity is formed in the lower forging die, the second forging cavity and the first forging cavity are symmetrically arranged, the second forging cavity and the first forging cavity form the closed forging cavity, forging is conducted through a building block, the die form is changed into the closed forging form from the open form, and the forging efficiency is improved. And burrs are not easy to generate due to overflow in the forging process, so that the forge piece is easier to fill, the forming rate is stabilized, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a forging die technical field especially relates to a combined forging die of processing coupling. BACKGROUND

[0002] Coupling is also called shaft coupling, it is a kind of connecting piece, is used to link the two shafts (driving shaft and driven shaft) in different mechanisms to make it common rotation to transmit torque mechanical parts, in high-speed heavy load power transmission, some shaft coupling also has the effect of buffering, damping and improving the dynamic performance of shafting, coupling is composed of two halves, respectively with driving shaft and driven shaft coupling, generally power machine is mostly connected with working machine by means of coupling.

[0003] The main mode of existing coupling production is free forging, because the shape of coupling is special-shaped, so the requirement of forging is very high, in the production process of coupling, it is often single-sided forging, and double-sided forging needs to be turned over, this turning over is easy to hurt the staff, and the operation safety hazard is also large, and the operation difficulty is also large, secondly, most of the forgings are open forgings, burrs are easy to be generated in the forging process, affecting the processing quality.

[0004] Therefore, the utility model designs a combined forging die of processing coupling. UTILITY MODEL CONTENTS

[0005] The utility model discloses a combined forging die of processing coupling, which solves the problems of single-sided forging, double-sided forging needing to be turned over, burrs being easy to be generated in the forging process, affecting the processing quality, and the like.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A combined forging die of processing coupling, comprising an upper forging die, a forging block for forging a coupling is arranged in the upper forging die, the lower surface of the forging block is a smooth surface, a first forging cavity for shaping is arranged in the upper forging die, a lower forging die is coaxially arranged below the upper forging die, and a hydraulic device is arranged above the upper forging die.

[0008] Preferably, a second forging cavity is arranged in the lower forging die, the positions of the first forging cavity and the second forging cavity are symmetrically arranged, and the second forging cavity and the first forging cavity form a closed forging cavity.

[0009] Preferably, a plurality of fixed sealing plates are arranged below the upper forging die, a plurality of sealing grooves are formed in the upper forging die, and the sealing plates are embedded in the sealing grooves.

[0010] Preferably, the lower forging die is provided with a circular pad fixed for buffering and sealing, one side of the circular pad being attached to the bottom of the upper forging die.

[0011] Preferably, the hydraulic device comprises a hydraulic machine and a hydraulic telescopic shaft, one end of the hydraulic telescopic shaft being connected to the top of the upper forging die, the hydraulic telescopic shaft being located at the output end of the hydraulic machine, and a driving plate being fixed above the hydraulic machine.

[0012] Preferably, the lower forging die is sleeved with a reinforcing ring, the reinforcing ring being provided with a plurality of support legs for stabilizing the device, and the plurality of support legs being distributed in a circumferential array on the reinforcing ring, a plurality of support rods being fixed on the driving plate, and one end of each of the plurality of support rods being connected to the reinforcing ring.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. The utility model discloses a first forging cavity for shaping is arranged in the upper forging die, a second forging cavity is arranged in the lower forging die, the position of the second forging cavity and the first forging cavity is symmetrically arranged, and the second forging cavity and the first forging cavity form a closed forging cavity, and the forging is carried out by the forging block, the die form is changed from open type to closed forging, and the burr is not easy to overflow during the forging process, so that the forging is more easy to fill, the forming rate is stabilized, and the practicality is strong.

[0015] 2. The utility model discloses a plurality of sealing grooves and circular pads are arranged through the setting of the upper forging die, the lower forging die, a plurality of closing plates, a plurality of sealing grooves and circular pads, when forging, the upper forging die is attached to the lower forging die, a plurality of fixed closing plates are arranged below the upper forging die, a plurality of sealing grooves are formed in the lower forging die, a plurality of closing plates are embedded in the sealing grooves, the sealing property of forging is improved, the circular pad fixed for buffering and sealing is arranged on the lower forging die, one side of the circular pad is attached to the bottom of the upper forging die, the sealing property of the closed forging cavity formed by the second forging cavity and the first forging cavity during forging is further improved, and the processing quality is improved.

[0016] 3. The utility model discloses a first forging cavity and a second forging cavity are arranged through the setting of the upper forging die, the lower forging die, the first forging cavity and the second forging cavity, when forging, the upper forging die is attached to the lower forging die and is forged, and shaping is carried out by the first forging cavity and the second forging cavity, the upper forging die is attached to the lower forging die, and the double -sided forging is arranged, so that the workpiece does not need to be turned over, high temperature is avoided to hurt the staff, and the operation safety is improved. DRAWINGS

[0017] Figure 1 An isometric view of the combined forging die for machining a coupling is provided for the utility model;

[0018] Figure 2The utility model provides a kind of combined forging die of processing coupling's front view of section;

[0019] Figure 3 The utility model provides a kind of combined forging die of processing coupling's upper forging die structure schematic diagram;

[0020] Figure 4 The utility model provides a kind of combined forging die of processing coupling's lower forging die structure schematic diagram.

[0021] In the drawing: 1, upper forging die;2, lower forging die;3, reinforcing ring;4, support leg;5, driving plate;6, support rod;7, hydraulic press;8, closure plate;9, first forging cavity;10, forging block;11, sealing groove;12, second forging cavity;13, round pad;14, hydraulic telescopic shaft. DETAILED DESCRIPTION

[0022] Referring to Figures 1-4 As shown in the figure, a kind of combined forging die of processing coupling, including upper forging die 1, upper forging die 1 is provided with the forging block 10 for forging coupling in and is set, and the forging block 10 lower surface is smooth surface setting, and the forging block 10 moves up and down with upper forging die 1, and then the workpiece is forged.

[0023] Referring to Figure 1 And Figure 2 As shown in the figure, upper forging die 1 is provided with the first forging cavity 9 for shaping in, and lower forging die 2 is coaxially arranged below upper forging die 1, and hydraulic device is arranged above upper forging die 1, and the hydraulic device can control the up-and-down moving position of upper forging die 1.

[0024] Specifically, by the setting of upper forging die 1, lower forging die 2, first forging cavity 9 and second forging cavity 12, when forging, upper forging die 1 cooperates with lower forging die 2 to forge, is forged by forging block 10, and is shaped by first forging cavity 9 and second forging cavity 12, the setting of the double-sided forging of upper forging die 1 cooperating with lower forging die 2, workpiece does not need to be turned over, avoids high temperature to hurt staff, improves operation safety.

[0025] Lower forging die 2 is provided with second forging cavity 12, and the position of second forging cavity 12 and first forging cavity 9 is symmetrically arranged, and second forging cavity 12 and first forging cavity 9 form closed forging cavity, change the form of die from open type to closed forging, and it is not easy to overflow and produce burr during forging process, so that the workpiece is more easily filled, and the forming rate is stabilized.

[0026] Specific, by the upper forging die 1 is provided with the first forging cavity 9 for shaping, the lower forging die 2 is provided with the second forging cavity 12, the second forging cavity 12 and the first forging cavity 9 are symmetrically arranged, and the second forging cavity 12 and the first forging cavity 9 form a closed forging cavity, the forging is carried out by the forging block 10, the mold form is changed from open type to closed forging, and the overflow is not easy to produce burr during forging, so that the forging part is more easy to fill, the forming rate is stabilized, and the practicability is strong.

[0027] The hydraulic device comprises a hydraulic machine 7 and a hydraulic telescopic shaft 14, one end of the hydraulic telescopic shaft 14 is connected with the top of the upper forging die 1, the hydraulic telescopic shaft 14 is located at the output end of the hydraulic machine 7, and the hydraulic machine 7 is fixedly arranged above the driving plate 5; the hydraulic machine 7 drives the hydraulic telescopic shaft 14, and then the upper forging die 1 moves up and down.

[0028] Referring to Figure 3 and Figure 4 As shown in the figure, a plurality of fixed sealing plates 8 are arranged below the upper forging die 1, a plurality of sealing grooves 11 are formed in the upper lower forging die 2, the plurality of sealing plates 8 are embedded in the sealing grooves 11, and a circular pad 13 for buffering and sealing is arranged on the upper lower forging die 2; one side of the circular pad 13 is attached to the bottom of the upper forging die 1, and when forging is carried out, the plurality of sealing plates 8 are embedded in the sealing grooves 11, thereby improving the sealing performance of the closed forging cavity formed by the second forging cavity 12 and the first forging cavity 9.

[0029] Specifically, when forging is carried out, the upper forging die 1 is attached to the lower forging die 2, a plurality of fixed sealing plates 8 are arranged below the upper forging die 1, a plurality of sealing grooves 11 are formed in the upper lower forging die 2, the plurality of sealing plates 8 are embedded in the sealing grooves 11, thereby improving the sealing performance of the closed forging cavity formed by the second forging cavity 12 and the first forging cavity 9, and then the circular pad 13 for buffering and sealing is arranged on the upper lower forging die 2; one side of the circular pad 13 is attached to the bottom of the upper forging die 1, thereby further improving the sealing performance of the closed forging cavity formed by the second forging cavity 12 and the first forging cavity 9 during forging, which is beneficial to improving the processing quality.

[0030] The lower forging die 2 is sleeved with a reinforcing ring 3, a plurality of supporting legs 4 for stabilizing the device are arranged on the reinforcing ring 3, and the plurality of supporting legs 4 are distributed in a circumferential array on the reinforcing ring 3; a plurality of supporting rods 6 are installed on the driving plate 5 and fixed, and one end of the plurality of supporting rods 6 is connected with the reinforcing ring 3.

[0031] The working principle of the utility model is as follows: firstly, the upper forging die 1 is provided with a forging block 10 for forging a coupling, the lower surface of the forging block 10 is provided with a smooth surface, the forging block 10 moves up and down with the upper forging die 1, and then the workpiece is forged.

[0032] Then through the setting of the upper forging die 1, the lower forging die 2, the plurality of sealing plates 8, the plurality of sealing grooves 11 and the circular gasket plate 13, when forging, the upper forging die 1 cooperates with the lower forging die 2 to adhere, the lower side of the upper forging die 1 is provided with a plurality of fixed sealing plates 8, the upper side of the lower forging die 2 is provided with a plurality of sealing grooves 11, the plurality of sealing plates 8 are embedded in the sealing grooves 11, the sealing property of forging is improved, and the circular gasket plate 13 for buffering and sealing is further arranged on the lower forging die 2, one side of the circular gasket plate 13 is adhered to the bottom of the upper forging die 1, the sealing property of the closed forging cavity formed by the second forging cavity 12 and the first forging cavity 9 during forging is further improved, and the processing quality is improved.

[0033] Finally, the first forging cavity 9 for shaping is arranged in the upper forging die 1, the second forging cavity 12 is arranged in the lower forging die 2, the positions of the second forging cavity 12 and the first forging cavity 9 are symmetrically arranged, the second forging cavity 12 and the first forging cavity 9 form a closed forging cavity, forging is performed by the forging block 10, the mold form is changed from an open type to a closed forging, and the overflow and burr are not easy to occur during the forging process, the forging part is more easy to fill, the forming rate is stabilized, and the practicality is high.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A combined forging die for machining a coupling, comprising an upper forging die (1), characterized in that: A forging block (10) for forging a coupling is provided in the upper forging die (1), the lower surface of the forging block (10) is a smooth surface, a first forging cavity (9) for shaping is provided in the upper forging die (1), a lower forging die (2) is coaxially provided below the upper forging die (1), and a hydraulic device is provided above the upper forging die (1).

2. The combined forging die for machining a coupling according to claim 1, characterized in that: A second forging cavity (12) is provided in the lower forging die (2); the second forging cavity (12) and the first forging cavity (9) are symmetrically arranged, and the second forging cavity (12) and the first forging cavity (9) form a closed forging cavity.

3. The combined forging die for machining a coupling according to claim 2, characterized in that: A plurality of fixed closing plates (8) are provided below the upper forging die (1), a plurality of sealing grooves (11) are provided on the lower forging die (2), and the plurality of closing plates (8) are embedded in the sealing grooves (11).

4. The combined forging die for machining a coupling according to claim 3, characterized in that: A circular pad (13) for buffering and sealing is provided on the lower forging die (2) for fixing, and one side of the circular pad (13) is in contact with the bottom of the upper forging die (1).

5. The combined forging die for machining a coupling according to claim 1, characterized in that: The hydraulic device comprises a hydraulic press (7) and a hydraulic telescopic shaft (14), one end of the hydraulic telescopic shaft (14) is connected to the top of the upper forging die (1), the hydraulic telescopic shaft (14) is located at the output end of the hydraulic press (7), and a driving plate (5) is provided above the hydraulic press (7) for fixing.

6. The combined forging die for machining a coupling according to claim 5, characterized in that: A reinforcement ring (3) is sleeved on the lower forging die (2), and a plurality of support legs (4) for stabilizing the device are provided on the reinforcement ring (3), and the plurality of support legs (4) are distributed in a circumferential array on the reinforcement ring (3). A plurality of support rods (6) are fixedly mounted on the driving plate (5), and one end of the plurality of support rods (6) is connected to the reinforcement ring (3).

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