CN203418053U - Novel electric upsetting machine - Google Patents

Abstract

The utility model discloses a novel electric upsetting machine, which comprises a frame, and an electric upsetting head component, an ejector pin component, a workpiece clamping mechanism and a transformer component which are arranged on the frame, wherein the electric upsetting head component and the workpiece clamping mechanism are respectively connected with the transformer component, the electric upsetting head component is driven by an electric upsetting head driving motor and an electric upsetting head reducer, the ejector pin component is driven by an ejector pin driving motor and an ejector pin reducer, so that the electric upsetting head component and the ejector pin component can slide relatively, the electric upsetting head driving motor and the ejector pin driving motor are stepping motors or servo motors, the electric upsetting head driving motor and the ejector pin driving motor are convenient to control, the rotating speed can be adjusted according to requirements to reach different relative moving speeds and ejecting pressures, and the shape of the garlic head at the upper end of a bar can be well controlled by matching with a variable control module of the transformer component, so that the structure of the garlic head of an air, thereby prolonging the service life of the valve.

Description

A New Type of Electric Upsetting Machine

technical field

The utility model relates to a novel electric upsetting machine.

Background technique

In the manufacturing process of the valve, electric upsetting is the first production process, and the quality of the valve depends entirely on the production process of the electric upsetting. The material is softened, and then the diameter of the bar is continuously increased through the extrusion of the thimble. During the extrusion process of the thimble, the electric upsetting head moves upward at a certain speed to make the space for the bar to form a garlic shape. When the garlic increases After the diameter is large enough, the valve blank is stamped by the punching machine, and then the blank is made into a valve by a series of subsequent processing procedures. The electric upsetting head and thimble of the traditional electric upsetting machine are driven by hydraulic transmission to realize sliding. , in the process of electric upsetting, the moving speed of the electric upsetting head and the thimble is constant, and the pressure between the electric upsetting head and the thimble is also a constant parameter, the metallographic structure of the garlic after the electric upsetting is unreasonable, and the stick The molding of the garlic on the upper end of the material is uneven, especially the joint between the garlic and the bar is excessively uneven, and the valve head and stem after stamping are excessively uneven, which is prone to breakage during use, and the service life of the valve is short.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a new type of electric upsetting machine, which can process the valve bar material into a garlic structure with uniform and ideal shape and reasonable metallographic structure.

The technical scheme that the utility model solves its technical problem adopts is:

A new type of electric upsetting machine, including a frame and an electric upsetting head assembly, a thimble assembly, a workpiece clamping mechanism, and a transformer assembly arranged on the frame. The electric upsetting head assembly and the workpiece clamping mechanism are respectively connected to the transformer assembly. The electric heading assembly is driven by an electric heading motor and an electric heading reducer, and the thimble assembly is driven by a thimble driving motor and a thimble reducer, so that the electric heading assembly and the thimble assembly can be relatively slide.

The drive of the electric heading reducer is a worm gear mechanism, which includes the first worm and the first turbine connected to the electric heading motor, and the electric heading assembly is arranged on the frame through an electric heading slide rail device Above, an electric heading screw is connected to the upper end of the electric heading assembly, and a threaded hole corresponding to the electric heading screw is opened at the center of the first turbine, and the electric heading screw is passed through the threaded hole.

The thimble reducer is a worm gear mechanism, which includes a second worm and a second worm gear connected to the thimble drive motor, the thimble assembly is arranged on the frame through a thimble slide rail device, and a thimble screw is connected to the lower end of the thimble assembly A threaded hole corresponding to the thimble screw is provided at the center of the second turbine, and the thimble screw passes through the threaded hole.

The workpiece clamping mechanism includes two sets of corresponding clamping cylinders and clamping parts respectively arranged on the push rods of the two groups of clamping cylinders, and the clamping parts are connected with the transformer assembly.

The driving motor of the electric heading head is a servo motor.

The thimble driving motor is a servo motor.

The driving motor of the electric heading head is a stepping motor.

The thimble driving motor is a stepping motor.

The electric heading assembly is equipped with a rotary drive mechanism capable of driving the electric heading assembly to rotate.

The transformer assembly is configured with a variable control module, through which the output current of the transformer assembly can be adjusted.

The beneficial effect of the utility model is that: the electric upsetting head group is driven by an electric upsetting head drive motor and an electric upsetting head reducer, and the thimble assembly is driven by a thimble driving motor and a thimble reducer, so that the electric upsetting head The component and the thimble component can slide relative to each other. The electric upsetting head drive motor and the thimble drive motor are stepper motors or servo motors, which are easy to control and can adjust the speed according to needs to achieve different relative moving speeds and jacking pressures, and cooperate with transformer components The advanced variable control module can well control the shape of the garlic on the upper end of the bar, so that the structure of the valve bar garlic is uniform and ideal, and the metallographic structure is reasonable, thereby prolonging the service life of the valve.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is one of overall structural representation of the utility model;

Fig. 2 is one of overall structural representation of the utility model;

Fig. 3 is a schematic diagram of the electric upsetting principle of the utility model.

Detailed ways

Referring to Figures 1 to 3, Figures 1 to 3 are structural schematic diagrams of a specific embodiment of the present invention. As shown in the figure, a new type of electric upsetting machine includes a frame 1 and an electric upsetting machine arranged on the frame 1. Head assembly 2, thimble assembly 3, workpiece clamping mechanism 4, and transformer assembly 7. The electric upsetting head assembly 2 and the workpiece clamping mechanism 4 are connected to the transformer assembly 7 respectively, and the electric upsetting head assembly 2 passes through an electric upsetting head The driving motor 23 is driven by an electric heading reducer, and the thimble assembly 3 is driven by a thimble driving motor 33 in cooperation with the thimble reducer. The electric heading driving motor 23 and the thimble driving motor 33 adopt stepping motors or servo motors. The drive of the electric heading reducer is a worm gear mechanism, which includes the first worm 51 and the first turbine 52 connected with the electric heading motor 23, and the electric heading assembly 2 is set by an electric heading slide rail device 22 On the frame 1, an electric heading screw 21 is connected to the upper end of the electric heading assembly 2, and a threaded hole corresponding to the electric heading screw 21 is opened at the center of the first turbine 52, and the electric heading screw 21 passes through In the threaded hole; the thimble reducer is also a worm gear mechanism, which includes a second worm 61 and a second worm wheel 62 connected with the thimble driving motor 33, and the thimble assembly 3 is set through a thimble slide rail device 32 On the frame 1, a thimble screw 31 is connected to the lower end of the thimble assembly 3, and the center position of the second turbine 62 is provided with a threaded hole corresponding to the thimble screw 31, and the thimble screw 31 is passed through the threaded hole; when driving When the electric heading head driving motor 23 and the thimble driving motor 33, the electric heading head assembly 2 and the thimble assembly 3 can slide relatively.

As shown in the figure, the workpiece clamping mechanism 4 includes two sets of corresponding clamping cylinders 41 and clamping parts 42 respectively arranged on the ejector rods of the two groups of clamping cylinders 41, and the clamping parts 42 are connected with the transformer assembly 7 .

When working, the workpiece clamping mechanism 4 clamps the bar material 8, and the electric heading assembly 2 and the thimble assembly 3 slide down and upward respectively to press against the two ends of the bar material 8. At this time, the transformer assembly 7 clamps the workpiece respectively. The mechanism 4 and the electric heading assembly 2 output current, so that the part of the bar 8 between the workpiece clamping mechanism 4 and the electric heading assembly 2 is continuously heated by the current, so that the bar 8 is softened, and then squeezed by the thimble assembly 3 The diameter of the bar 8 is continuously increased. During the extrusion process of the thimble assembly 3, the electric heading assembly 2 moves upward at a certain speed to free up space to make the bar 8 into a garlic shape. When the garlic 81 increases to After the diameter is sufficient, the valve blank is stamped by an external punching machine, and then the blank is made into a valve by a series of subsequent processing procedures; and the transformer assembly 7 is equipped with a variable control module capable of adjusting the output current of the transformer assembly 7, which can turn the The initial current and pressure are set to be small, and with the continuous shortening of the bar 8 and the continuous increase of the garlic 81, the current and pressure are increased linearly, so that the current and pressure are supplied proportionally to the garlic 8 during the forming process, which can The forming process of garlic 8 is more uniform, the internal metallographic structure is more reasonable, and the production speed can also be increased. Since the electric heading head drive motor 23 and the thimble drive motor 33 are stepping motors or servo motors, the control is convenient and can be adjusted according to needs. Rotational speed, the speed change of the electric heading assembly 2 can directly change the shape of the garlic 81, through the setting of parameters, the electric heading assembly 2 can be linearly shifted during the rising process, and the most ideal shape of the garlic can be obtained. Make the internal metallographic structure more streamlined, make the valve structure processed by the subsequent process more reasonable, and prolong the service life of the valve.

In addition, the electric heading assembly 2 is also equipped with a rotary drive mechanism 24 that can drive the electric heading assembly 2 to rotate, and the contact between the electric heading assembly 2 and the bar 8 can be replaced according to the rotation, so as to prevent the electric heading assembly 2 from being damaged due to overheating Or failure, prolong the service life of the electric heading assembly 2.

The above is a specific description of the preferred implementation of the present utility model, but the present invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent deformations or modifications without violating the spirit of the present utility model. Replacement, these equivalent modifications or replacements are all included within the scope defined by the claims of the present application.

Claims (10)

1. A new type of electric upsetting machine, characterized in that it includes a frame (1) and an electric upsetting head assembly (2), a thimble assembly (3), and a workpiece clamping mechanism (4) arranged on the frame (1) . Transformer assembly (7), the electric upsetting head assembly (2) and the workpiece clamping mechanism (4) are respectively connected with the transformer assembly (7), and the electric upsetting head assembly (2) drives the motor through an electric upsetting head ( 23) Driven with an electric heading reducer, the thimble assembly (3) is driven by a thimble drive motor (33) in cooperation with the thimble reducer, so that the electric heading assembly (2) and the thimble assembly (3) can relatively sliding. 2. A new type of electric upsetting machine according to claim 1, characterized in that the drive of the electric upsetting head reducer is a worm gear mechanism, which includes a first worm connected to the electric upsetting head driving motor (23) (51), the first turbine (52), the electric heading assembly (2) is set on the frame (1) through an electric heading slide rail device (22), and the upper end of the electric heading assembly (2) is connected with a The electric heading screw (21), the center position of the first turbine (52) is provided with a threaded hole corresponding to the electric heading screw (21), and the electric heading screw (21) passes through the threaded hole. 3. A new type of electric upsetting machine according to claim 1 or 2, characterized in that: the thimble reducer is a worm gear mechanism, which includes a second worm (61) connected to the thimble driving motor (33) . The second turbine (62), the thimble assembly (3) is set on the frame (1) through a thimble slide rail device (32), and a thimble screw (31) is connected to the lower end of the thimble assembly (3). The center of the second turbine (62) is provided with a threaded hole corresponding to the thimble screw (31), and the thimble screw (31) is passed through the threaded hole. 4. A new type of electric upsetting machine according to claim 1, characterized in that: the workpiece clamping mechanism (4) includes two sets of clamping cylinders (41) respectively arranged in two sets of clamping cylinders (41) The clamping part (42) on the push rod, the clamping part (42) is connected with the transformer assembly (7). 5. A new type of electric upsetting machine according to claim 1, characterized in that: the electric upsetting head drive motor (23) is a servo motor. 6. A new electric upsetting machine according to claim 1 or 5, characterized in that the thimble driving motor (33) is a servo motor. 7. A new type of electric upsetting machine according to claim 1, characterized in that: the electric upsetting head driving motor (23) is a stepping motor. 8. A new electric upsetting machine according to claim 1 or 7, characterized in that the thimble driving motor (33) is a stepping motor. 9. A new type of electric upsetting machine according to claim 1, characterized in that: the electric upsetting head assembly (2) is equipped with a rotary drive mechanism (24) capable of driving the electric upsetting head assembly (2) to rotate. 10. A new electric upsetting machine according to claim 1, characterized in that: the transformer assembly (7) is equipped with a variable control module, through which the output current of the transformer assembly (7) can be adjusted.

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