Centering guide device for high-speed tool steel forging

Abstract

The utility model provides a centering guiding device for high-speed tool steel forging, which relates to the technical field of metallurgical machinery guiding, and comprises an external transmission component and a gear centering component, the gear centering component is arranged between the inner surfaces of the external transmission component, and the gear centering component is arranged between the inner surfaces of the external transmission component through cooperation of all parts of the gear centering component. When steel billets are centered and guided before steel forging, a motor drives a driving gear to rotate, then a driven gear drives an outer ring to rotate, the outer ring drives six centering claws to rotate, locking and clamping of the center steel billets are achieved, a displacement sensor is used for checking offset errors, and the centering claws capable of freely controlling clamping force are driven by the motor in a matched mode. The problems that a centering claw of a traditional device possibly has precision deviation under high-speed rotation and is poor in controllability are solved, the accident rate is greatly reduced, the practicability and functionality of the centering claw in daily use are both effectively considered, and compared with a traditional single mode, the centering claw is more suitable for actual requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical machinery guiding technical field especially relates to a kind of centering guiding device for high-speed tool steel forging. BACKGROUND

[0002] The centering guiding device for high-speed tool steel forging is a kind of positioning billet in the forging process of high-speed steel roll and other forgings, and its core function is to ensure the stability of the center axis of the billet during forging, avoid deformation due to deviation, and ensure accurate positioning of the billet during processing.

[0003] In the traditional centering guiding device for high-speed tool steel forging, the traditional device is driven by passive friction rotation relying on the friction between the billet and the centering pawl. Under high-speed rotation, it is easy to produce errors due to the fluctuation of billet surface state and forging stress. When the diameter of the billet fluctuates or the surface scale falls off, the centering pawl and the billet are likely to slip and idle, which directly leads to the rejection of the forgings. UTILITY MODEL CONTENTS

[0004] To solve the problem of precision deviation of the centering pawl of the traditional centering guiding device for high-speed tool steel forging under high-speed rotation and poor controllability, the utility model provides a centering guiding device for high-speed tool steel forging. The centering pawl is driven by motor to center and guide the steel billet, so that the gripping force can be freely adjusted and controlled, avoiding the errors of traditional devices, greatly reducing the accident rate and improving safety.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a centering guiding device for high-speed tool steel forging, comprising an external transmission assembly and a gear centering assembly, the gear centering assembly is arranged between the inner surfaces of the external transmission assembly;

[0006] The gear centering assembly comprises a center ring and six centering pawls, and the center ring is an annular hollow structure. The center ring is used to place the steel billet required for forging. The outer surface of the center ring is sleeved with an outer ring. The protruding part of the inner surface of the outer ring is embedded in the recess of the outer surface of the center ring, and the outer ring can rotate freely when the center ring is fixed. The outer surface of the outer ring is sleeved with a driven gear, and the driven gear is used to receive external force to make the outer ring rotate. Three fixed rods are welded on both sides of the outer wall of the center ring, and the six fixed rods are used to limit the movement range of the six centering pawls. Two centering pawls on one side of the outer wall of the outer ring are respectively inserted with rotating rods, and the three rotating rods are used to drive the centering pawl to rotate.

[0007] Preferably, one end of each of the six centering pawls is sleeved with an alloy block, and the six alloy blocks are used to prevent the high-temperature steel billet during forging from damaging the centering pawl.

[0008] Preferably, each of the three fixing rods is fitted with a ring buckle at its top, and each ring buckle is used to limit the radial displacement range of the corresponding three centering claws.

[0009] Preferably, the external transmission component includes a bracket, which supports the gear centering component. A rotating shaft is inserted between the inner surfaces of the bracket, and a driving gear is sleeved on the outer surface of the rotating shaft. The driving gear meshes with the driven gear.

[0010] Preferably, a servo motor is inserted into a section of the outer wall of the rotating shaft, and the servo motor is used to provide rotational power for the six centering claws.

[0011] Preferably, the external transmission assembly also includes a displacement sensor and four screws. The displacement sensor is used to detect the offset of the six centering claws to provide an early warning. The displacement sensor is fixed to one side of the outer wall of the bracket by the four screws.

[0012] Preferably, a sensing rod is rotatably connected to one side of the outer wall of the displacement sensor, and one end of the outer surface of the sensing rod abuts against the outer surface of the centering claw.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] In this invention, by utilizing the coordinated operation of various components of the gear centering assembly, the steel billet is centered and guided before steel forging. A motor drives the drive gear to rotate, which in turn drives the outer ring to rotate. Three rotating rods inserted through the outer surface of the outer ring drive the six centering claws to rotate. Because the center point of the centering claws is fixed to the fixing rod of the central ring, the centering claws can only rotate in a fixed posture, achieving locking and clamping of the central steel billet. A displacement sensor is installed on one side of the device, closely attached to the centering claws, to check for offset errors. Combined with the motor-driven centering claws that allow for free control of the clamping force, this invention avoids the accuracy deviations and poor controllability that can occur with traditional centering claws during high-speed rotation, significantly reducing the accident rate. It effectively balances practicality and functionality in daily use, making it more suitable for actual needs compared to traditional single-mode designs. Attached Figure Description

[0015] Figure 1 This is a perspective view of the main structure of a centering and guiding device for high-speed tool steel forging proposed in this utility model;

[0016] Figure 2 This is a schematic diagram showing the installation position of a centering and guiding device for high-speed tool steel forging proposed in this utility model;

[0017] Figure 3 This is a schematic diagram showing the installation position of the gear centering component in a centering and guiding device for high-speed tool steel forging proposed in this utility model.

[0018] Figure 4 This is a schematic diagram of the internal structure of the gear centering assembly in a centering and guiding device for high-speed tool steel forging proposed in this utility model;

[0019] Figure 5 This is a schematic diagram showing the installation position of the centering claw in a centering guide device for high-speed tool steel forging proposed in this utility model.

[0020] Legend: 1. External transmission assembly; 101. Bracket; 102. Rotating shaft; 103. Servo motor; 104. Displacement sensor; 105. Sensing rod; 106. Screw; 107. Drive gear; 2. Gear centering assembly; 201. Center ring; 202. Fixing rod; 203. Ring buckle; 204. Outer ring; 205. Driven gear; 206. Rotating rod; 207. Centering claw; 208. Alloy block. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] In the embodiments, according to Figures 1-2 As shown, this utility model provides a technical solution: a centering and guiding device for high-speed tool steel forging, including an external transmission component 1 and a gear centering component 2, wherein the gear centering component 2 is disposed between the inner surfaces of the external transmission component 1.

[0024] The external transmission assembly 1 includes a bracket 101, which supports the gear centering assembly 2. A rotating shaft 102 is inserted between the inner surfaces of the bracket 101. A drive gear 107 is sleeved on the outer surface of the rotating shaft 102. The drive gear 107 meshes with the driven gear 205. A servo motor 103 is inserted into a section of the outer wall of the rotating shaft 102. The servo motor 103 provides rotational power to the six centering claws 207. The external transmission assembly 1 also includes a displacement sensor 104 and four screws 106. The displacement sensor 104 is used to detect the offset of the six centering claws 207 to provide an early warning. The displacement sensor 104 is fixed to one side of the outer wall of the bracket 101 by the four screws 106. A sensing rod 105 is rotatably connected to one side of the outer wall of the displacement sensor 104. One end of the outer surface of the sensing rod 105 abuts against the outer surface of the centering claw 207.

[0025] Specifically: When using this device for centering and guiding steel forging, the drive gear 107 is first connected to the slot inside the bracket 101 by the rotating shaft 102. One end of the rotating shaft 102 is inserted and connected to the output end of the servo motor 103. After the servo motor 103 outputs power, it drives the drive gear 107 to rotate through the rotating shaft 102. A displacement sensor 104 is fixed to one side of the outer wall of the bracket 101 by four screws 106. A sensing rod 105 is connected to one side of the displacement sensor 104. The top of the sensing rod 105 extends to the outer surface of the centering claw 207 and abuts against it. The sensing rod 105 is used to detect the offset of the centering claw 207 and transmit it to the displacement sensor 104.

[0026] In some embodiments, according to Figures 3-5 As shown, the gear centering assembly 2 includes a central ring 201 and six centering claws 207. The central ring 201 has an annular hollow structure and is used to place the steel billet to be forged. An outer ring 204 is fitted on the outer surface of the central ring 201. The protruding part of the inner surface of the outer ring 204 is embedded in the groove on the outer surface of the central ring 201, and the outer ring 204 can rotate freely when the central ring 201 is fixed. A driven gear 205 is fitted on the outer surface of the outer ring 204, and the driven gear 205 is used to receive external force to make the outer ring 204 rotate. Three fixing rods 202 are welded on both sides of the outer wall of the central ring 201, and the six fixing rods 202 are used to limit the range of motion of the six centering claws 207. Two centering claws 207 on opposite sides of the outer wall of the outer ring 204 are respectively inserted with rotating rods 206, and the three rotating rods 206 are used by the outer ring 204 to drive the centering claws 207 to rotate.

[0027] All six centering claws 207 are fitted with an alloy block 208 at one end, and the six alloy blocks 208 are used to prevent the high-temperature steel billet during forging from damaging the centering claws 207. The top of every three fixing rods 202 is fitted with a ring buckle 203, and each ring buckle 203 is used to limit the radial displacement range of the corresponding three centering claws 207.

[0028] The overall effect of this embodiment is as follows: A complete centering and guiding device for high-speed tool steel forging is formed using the aforementioned components. The external transmission component 1 is responsible for the external support and power output of the device. The bracket 101 supports all components. A rotating shaft 102 is inserted inside the bracket 101. One end of the rotating shaft 102 is connected to the power output end of the servo motor 103. Simultaneously, a drive gear 107 is fitted onto the outer surface of the rotating shaft 102. The drive gear 107 meshes with the driven gear 205. When the servo motor 103 is started, the servo motor 103 outputs power, driving the drive gear 107 to rotate via the rotating shaft 102. In the gear centering assembly 2, the driven gear 205 rotates synchronously. The outer ring 204 fixed inside the driven gear 205 rotates along the groove on the outer surface of the central ring 201. Six fixed rods 202 welded to both sides of the outer wall of the central ring 201 restrict the center point of the six centering claws 207, causing the six centering claws 207 to rotate around the fixed point and extend and retract radially synchronously, thereby clamping and centering the steel billet. The outer surface of the three fixed rods 202 on each side is fitted with an annular buckle 203, which is used to limit the radial displacement range of the centering claws 207. Three rotating rods 206 inserted on the outer surface of the outer ring 204 connect to the two sides respectively. Two centering jaws 207 and three rotating rods 206 enable the six centering jaws 207 to rotate synchronously, centering and guiding the steel billet within the central ring 201. Each of the six centering jaws 207 has a heat-resistant and wear-resistant alloy block 208 fitted at its top. This increases the clamping force of the centering jaws 207 while preventing damage from the high-temperature steel billet. Furthermore, the alloy block 208 is easy to replace after wear. During high-speed steel forging, the continuous vibration generated by forging may cause the centering jaws 207 to shift, resulting in production losses. To avoid this, a displacement sensor 10 is fixed to one side of the bracket 101 by four screws 106. 4. The top of the sensing rod 105 on one side of the displacement sensor 104 abuts against the surface of a centering claw 207 to detect the slight vibration of the centering claw 207. This vibration is transmitted to the displacement sensor 104 to check whether the billet is deviated. If a deviation occurs, the clamping force of the centering claw 207 can be adjusted by changing the speed of the servo motor 103. Compared with traditional devices, this device avoids the problems of precision deviation and poor controllability that may occur when the centering claw 207 rotates at high speed in traditional devices. It greatly reduces the accident rate and effectively balances practicality and functionality in daily use, which can greatly improve production efficiency.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any other way. Any person skilled in the art may make changes to the above-disclosed technical content and apply equivalent embodiments to other fields. However, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A centering and guiding device for high-speed tool steel forging, characterized in that: It includes an external transmission assembly (1) and a gear centering assembly (2), wherein the gear centering assembly (2) is disposed between the inner surfaces of the external transmission assembly (1); The gear centering assembly (2) includes a central ring (201) and six centering claws (207). The central ring (201) has an annular hollow structure and is used to place the steel billet to be forged. An outer ring (204) is fitted on the outer surface of the central ring (201). The protruding part of the inner surface of the outer ring (204) is embedded in the groove on the outer surface of the central ring (201), and the outer ring (204) can rotate freely when the central ring (201) is fixed. The outer surface of the outer ring (204) is fitted with... Driven gear (205) is used to receive external force to rotate outer ring (204). Three fixed rods (202) are welded on both sides of the outer wall of the center ring (201). The six fixed rods (202) are used to limit the range of motion of the six centering claws (207). Two centering claws (207) on opposite sides of the outer wall of the outer ring (204) are respectively equipped with rotating rods (206). The three rotating rods (206) are used to drive the centering claws (207) to rotate.

2. The centering and guiding device for high-speed tool steel forging according to claim 1, characterized in that: All six centering claws (207) are fitted with an alloy block (208) at one end, and all six alloy blocks (208) are used to prevent the high-temperature steel billet during forging from damaging the centering claws (207).

3. The centering and guiding device for high-speed tool steel forging according to claim 1, characterized in that: Each of the three fixed rods (202) is fitted with an annular buckle (203) at its top end, and each annular buckle (203) is used to limit the radial displacement range of the corresponding three centering claws (207).

4. The centering and guiding device for high-speed tool steel forging according to claim 1, characterized in that: The external transmission assembly (1) includes a bracket (101) for supporting the gear centering assembly (2). A rotating shaft (102) is inserted between the inner surfaces of the bracket (101). A drive gear (107) is sleeved on the outer surface of the rotating shaft (102). The drive gear (107) meshes with the driven gear (205).

5. A centering and guiding device for high-speed tool steel forging according to claim 4, characterized in that: A servo motor (103) is inserted into a section of the outer wall of the rotating shaft (102), and the servo motor (103) is used to provide rotational power for the six centering claws (207).

6. A centering and guiding device for high-speed tool steel forging according to claim 4, characterized in that: The external transmission assembly (1) also includes a displacement sensor (104) and four screws (106). The displacement sensor (104) is used to detect the offset of the six centering claws (207) to provide an early warning. The displacement sensor (104) is fixed to one side of the outer wall of the bracket (101) by the four screws (106).

7. A centering and guiding device for high-speed tool steel forging according to claim 6, characterized in that: A sensing rod (105) is rotatably connected to one side of the outer wall of the displacement sensor (104), and one end of the outer surface of the sensing rod (105) abuts against the outer surface of the centering claw (207).

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