Novel roll forging machine

By using a combination of servo motor and reduction gear in the roll forging mill, precise die positioning and efficient transmission are achieved, solving the problems of inaccurate die positioning and high energy consumption, and improving roll forging accuracy and production efficiency.

CN224101748UActive Publication Date: 2026-04-10SHANDONG AGRI & ENG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The inaccurate stopping positions of the upper and lower forging roll dies in the roll forging machine, the long transmission chain leading to large power loss, and the time-consuming, labor-intensive, and inaccurate die replacement and adjustment.

Method used

By combining a servo motor with a reduction gear, the precise positioning and efficient transmission of the mold are achieved through the precise coordination of the drive gear, transmission gear, reduction gear, and drive gear. Combined with the adjustment gear, the mold can be accurately stopped and replaced.

Benefits of technology

It improved the positioning accuracy of the mold, reduced energy consumption, simplified the mold replacement process, and improved the rolling forging accuracy and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of die forging production, in particular to a novel roll forging machine which comprises a shell, a driving gear is arranged in the shell, the driving gear is connected to one end of a main roll shaft in a sleeved mode, a transmission gear is meshed with the lower portion of the driving gear, and the transmission gear is connected to one end of an auxiliary roll shaft in a sleeved mode. A reduction gear is coaxially arranged on one side of the driving gear, and the top of the reduction gear is meshed with a driving gear. And a servo motor is arranged outside one side of the shell. According to the improved roll forging machine, the mode that the servo motor is combined with the reduction gear is adopted, the positioning precision is improved, and meanwhile the roll forging torque can be increased; the servo motor can be started during roll forging of parts, and the servo motor stops working in other time periods, so that the energy consumption of the servo motor is reduced, and energy conservation and consumption reduction are realized; the roll forging machine die can be accurately stopped, the zero point of the die is precisely matched, the die can be precisely meshed in the roll forging process, and the roll forging precision of the roll forging blank is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of die forging production technology, concretely to a novel roll forging machine. BACKGROUND

[0002] Die forging refers to a forging method that uses a die to shape a blank on a special die forging equipment to obtain a forged piece. The forged piece produced by this method has accurate dimensions, small machining allowance, and high productivity; it is a process of using a forging die to forge and press a metal blank on a die forging hammer or a press to form a shape. The die forging process has high production efficiency, low labor intensity, accurate dimensions, small machining allowance, and can forge complex-shaped forged pieces; it is suitable for batch production.

[0003] The inventor found the following problems in the prior art during the implementation of the utility model.

[0004] 1. The stop position of the upper and lower forging rollers of the roll forging machine is not accurate.

[0005] 2. The existing power transmission of the roll forging machine is composed of a servo motor, a belt power transmission, a flywheel, a clutch, and a transmission gear box, and the transmission chain is long, which results in large power loss and high energy consumption.

[0006] 3. It is troublesome, time-consuming, and labor-intensive to replace the sector-shaped roll forging die and adjust the zero position, and the adjustment is not accurate. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims to provide a novel roll forging machine to solve the problems in the background technology. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel roll forging machine, comprising a shell, a driving gear is arranged inside the shell, the driving gear is sleeved on one end of a main roller shaft, a transmission gear is engaged below the driving gear, the transmission gear is sleeved on one end of a secondary roller shaft;

[0008] A reduction gear is coaxially arranged on one side of the driving gear, and a driving gear is engaged on the top of the reduction gear.

[0009] A servo motor is arranged outside one side of the shell, and the output shaft of the servo motor is connected with the driving gear.

[0010] An adjusting gear is attached to one side of the transmission gear away from the secondary roller shaft.

[0011] Further preferably, the main roller shaft and the secondary roller shaft are parallel.

[0012] Further preferably, the central axes of the main roller shaft, the driving gear, and the reduction gear are consistent.

[0013] Further preferably, the external dimensions of the driving gear and the transmission gear are consistent.

[0014] Further preferably, the central axis of the driving gear wheel is consistent with the central axis of the reduction gear wheel.

[0015] Further preferably, the adjusting gear wheel is consistent with the external arc diameter of the transmission gear wheel.

[0016] Further preferably, the adjusting gear wheel is eccentrically arranged between the transmission gear wheels.

[0017] Compared with the prior art, the utility model has the beneficial effects of:

[0018] In the utility model, the combination of the servo motor (or switched reluctance servo motor) and the reduction gear wheel increases the positioning precision and increases the torque of the roll forging; the servo motor is started when the roll forging part is forged, and the servo motor is stopped in other periods, thereby reducing the energy consumption of the servo motor and saving energy and reducing consumption.

[0019] The roll forging machine die can be accurately parked, the die zero point is accurately matched, the roll forging process can realize accurate die engagement, and the roll forging precision of the roll forging blank is improved.

[0020] The die can be replaced in the notch mode, and accurately parked at the die zero point position, thereby facilitating the die. DETAILED DESCRIPTION

[0021] Figure 1 It is a front view of the internal structure of the utility model;

[0022] Figure 2 It is a right view of the internal structure of the utility model;

[0023] Figure 3 It is a left view of the internal structure of the utility model.

[0024] In the drawing, 1 is an outer shell, 2 is a driving gear wheel, 3 is a main roller shaft, 4 is a transmission gear wheel, 5 is an auxiliary roller shaft, 6 is a reduction gear wheel, 7 is a driving gear wheel, 8 is a servo motor, and 9 is an adjusting gear wheel. DETAILED DESCRIPTION

[0025] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1 to 3The utility model provides a technical scheme: a novel roll forging machine, including the shell 1, the inside of shell 1 is equipped with driving gear 2, driving gear 2 is sleeved in the one end of main roller shaft 3, the below of driving gear 2 is engaged with transmission gear 4, transmission gear 4 is sleeved in the one end of auxiliary roller shaft 5,

[0027] The side of driving gear 2 is equipped with reduction gear 6 coaxially, and the top of reduction gear 6 is engaged with driving gear 7;

[0028] The side outside of shell 1 is equipped with servo motor 8, and the output shaft of servo motor 8 is connected with driving gear 7;

[0029] The side away from auxiliary roller shaft 5 of transmission gear 4 is attached with adjusting gear 9.

[0030] In the embodiment, as shown in the figure, Figure 1 The main roller shaft 3 is parallel to the auxiliary roller shaft 5.

[0031] In the embodiment, as shown in the figure, Figure 1 The central axis of the main roller shaft 3, the driving gear 2 and the reduction gear 6 is consistent.

[0032] In the embodiment, as shown in the figure, Figure 1 And Figure 2 The external size structure of the driving gear 2 and the transmission gear 4 is consistent.

[0033] In the embodiment, as shown in the figure, Figure 1 The central axis of the driving gear 7 and the central axis of the reduction gear 6 is consistent.

[0034] In the embodiment, as shown in the figure, Figure 1 And Figure 2 The external circular arc diameter of the adjusting gear 9 and the transmission gear 4 is consistent.

[0035] In the embodiment, as shown in the figure, Figure 2 The adjusting gear 9 and the transmission gear 4 are eccentrically arranged.

[0036] The use method and advantages of the utility model: the novel roll forging machine, when using, the working process is as follows:

[0037] As shown in the figure, Figures 1 to 3 First, the roll forging machine adopts the double support mechanism composed of the main roller shaft 3 and the auxiliary roller shaft 5, and the main roller shaft 3 and the auxiliary roller shaft 5 are supported by two racks to rotate, and a pair of opposite rotating sector dies are used to make the blank plastic deformation, so that the forging process of the required forging or blank is obtained. The forging roll center distance and the forging roll angle adjusting mechanism can adjust the center distance of the upper and lower forging rolls and the dislocation angle of the forging roll die, and the die gap and angle are conveniently aligned and adjusted.

[0038] The basic principle, main features and advantages of the present application are shown and described above. The technical personnel in the industry should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of roll forging machine comprising a housing (1), characterized in that: The inside of the shell (1) is internally provided with a driving gear (2), which is sleeved on one end of a main roller shaft (3), and a transmission gear (4) is engaged below the driving gear (2), which is sleeved on one end of a sub roller shaft (5); One side of the driving gear (2) is coaxially provided with a reduction gear (6), and the top of the reduction gear (6) is engaged with a driving gear (7); One side of the shell (1) is externally provided with a servo motor (8), and the output shaft of the servo motor (8) is connected with the driving gear (7); The transmission gear (4) is attached with an adjusting gear (9) on the side away from the sub roller shaft (5); The main roller shaft (3) is parallel to the sub roller shaft (5); The central axes of the main roller shaft (3), the driving gear (2) and the reduction gear (6) are consistent; The external size structures of the driving gear (2) and the transmission gear (4) are consistent; The central axis of the driving gear (7) is consistent with the central axis of the reduction gear (6); The external circular arc diameter of the adjusting gear (9) is consistent with that of the transmission gear (4); The adjusting gear (9) and the transmission gear (4) are eccentrically arranged.