Rolling tool bit three-axis angle synchronous adjusting structure

Abstract

The utility model relates to the technical field of three-axis thread rolling machines, in particular to a rolling tool bit three-axis angle synchronous adjusting structure which comprises a fixing frame, an inner circular ring is fixedly connected to the fixing frame, at least three tool bit mechanisms are installed on the inner circular ring, an outer circular ring is arranged on the outer side of the inner circular ring, and the outer circular ring is rotationally connected to the fixing frame. An adjusting mechanism is fixedly arranged on one side of the inner circular ring and connected with the three sets of tool bit mechanisms. The adjusting mechanism comprises a stepping motor installed on the fixing frame, and a driving gear is fixedly arranged on an output shaft of the stepping motor. According to the three-axis angle synchronous adjustment structure for the rolling tool bit, the tool bit angles on the three tool shafts can be synchronously adjusted, the problem that synchronous adjustment cannot be achieved in a traditional mode is effectively solved, it is guaranteed that a workpiece is evenly stressed in the machining process, the machining quality and the product percent of pass are improved, more accurate angle adjustment can be achieved, and the machining efficiency is improved. Machining errors caused by poor adjusting precision are reduced, and the requirement for high-precision machining is met.

Description

Technical Field

[0001] This utility model relates to the field of three-axis thread rolling machine technology, specifically a structure for synchronous adjustment of the three-axis angle of a rolling cutter head. Background Technology

[0002] In practical applications of three-axis thread rolling machines, the angle adjustment of the rolling cutter head has a crucial impact on machining accuracy and quality. Traditional three-axis thread rolling machines adjust the rolling cutter head angle separately for each of the three axes, relying entirely on the operator's observation of a scale. This results in poor accuracy and an inability to achieve synchronous adjustment, leading to uneven stress on the workpiece during rolling. This not only affects machining accuracy but may also cause defects such as scratches and cracks on the workpiece surface, reducing the workpiece's yield rate. Furthermore, asynchronous angle adjustments increase cutter head wear, shorten its service life, and increase production costs. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a three-axis angle synchronous adjustment structure for rolling cutter heads, which solves the technical problem of difficulty in synchronously adjusting the angles of cutter heads on three axes.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a three-axis angle synchronous adjustment structure for rolling cutter head, including a fixed frame, an inner ring fixedly connected to the fixed frame, at least three sets of cutter head mechanisms installed on the inner ring, and an outer ring provided on the outer side of the inner ring, the outer ring being rotatably connected to the fixed frame, and an adjustment mechanism fixedly provided on one side of the inner ring, the adjustment mechanism being connected to the three sets of cutter head mechanisms respectively;

[0005] The adjustment mechanism includes a stepper motor mounted on a fixed frame. A drive gear is fixed on the output shaft of the stepper motor. A synchronous gear ring meshes with one side of the drive gear. A "U"-shaped protrusion is provided on the inner wall of the synchronous gear ring. An adjustment component is provided on the inner side of the protrusion. The adjustment component is mounted on the cutter head mechanism.

[0006] Preferably, the synchronizing gear ring is rotatably connected to a plurality of retaining wheels, the retaining wheels are rotatably connected to retaining rods, and the retaining rods are fixed to the side wall of the inner ring.

[0007] Preferably, the cutter head mechanism includes a telescopic seat sleeved on an inner ring. The top of the telescopic seat has an arc structure, and the bottom of the telescopic seat is rotatably connected to a mounting seat via an adjusting component. A first shaft seat and a second shaft seat are mounted on the bottom of the mounting seat. A cutter shaft is rotatably connected between the first shaft seat and the second shaft seat, and a cutter head is mounted on the outer wall of the cutter shaft between the first shaft seat and the second shaft seat.

[0008] Preferably, the adjusting component includes an adjusting ring rotatably connected to the bottom of the telescopic seat, an adjusting rod fixedly provided on the outer wall of the adjusting ring, one end of the adjusting rod being located inside the protrusion, and the bottom of the adjusting ring being fixedly connected to the mounting seat.

[0009] Preferably, sliders are fixed on both sides of the telescopic seat, and the sliders are slidably disposed in the grooves opened on the inner ring. A return spring connected to the slider is also installed in the groove.

[0010] Preferably, the inner wall of the outer ring is provided with three convex inner planes that cooperate with the cutting head mechanism.

[0011] By employing the above technical solution, this utility model provides a three-axis angle synchronous adjustment structure for a rolling cutter head, which has at least the following beneficial effects:

[0012] 1. This rolling cutter head three-axis angle synchronous adjustment structure uses a stepper motor to drive a synchronous gear ring to rotate. The synchronous gear ring uses the cooperation of protrusions and adjusting parts to synchronously adjust the cutters on the three cutter shafts, effectively solving the problem of synchronous adjustment that cannot be achieved by traditional methods. This ensures uniform force on the workpiece during processing, improves processing quality and product qualification rate, and enables more precise angle adjustment, reducing processing errors caused by poor adjustment accuracy and meeting the needs of high-precision processing.

[0013] 2. The rolling cutter head three-axis angle synchronous adjustment structure, by setting a retaining rod and a retaining wheel, the retaining wheel and retaining rod cooperate to effectively stabilize the rotation of the synchronous gear ring, reduce shaking and offset, ensure a smooth adjustment process, and further improve the accuracy and stability of the cutter head angle adjustment. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0015] Figure 1 This is a three-dimensional structural diagram of the entire front view of this utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of the overall rear view of this utility model;

[0017] Figure 3 This is a schematic diagram showing the connection between the adjustment mechanism and a single cutter head mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the overall frontal view of the present invention.

[0019] Figure 5 This is a schematic diagram of the cutter head mechanism of this utility model from one perspective;

[0020] Figure 6 This is a schematic diagram of the cutter head mechanism of this utility model from a second perspective;

[0021] Figure 7This is a partial cross-sectional view of the connection between the inner ring and the cutter head mechanism of this utility model.

[0022] Figure label:

[0023] 1. Fixing frame; 2. Inner ring; 3. Cutter head mechanism; 301. Telescopic seat; 302. Mounting seat; 303. Shaft seat one; 304. Cutter shaft; 305. Shaft seat two; 306. Cutter head; 307. Slider; 308. Return spring; 4. Outer ring; 401. Inner convex plane; 5. Adjustment mechanism; 501. Stepper motor; 502. Drive gear; 503. Synchronous gear ring; 5031. Protrusion; 504. Holding rod; 505. Holding wheel; 506. Adjusting component; 5061. Adjusting ring; 5062. Adjusting rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] A three-axis thread rolling machine is a high-efficiency, precision metal processing equipment widely used in the automotive, aerospace, electronics, and construction industries. It uses three thread rolling wheels to roll the workpiece, performing various processes such as threading, straight knitting, and oblique knitting even in a cold state. It boasts advantages such as high processing accuracy, good surface quality, high material utilization, and high productivity.

[0026] Due to the technical deficiency in existing technology where the angle of the tool head 306 on three axes is difficult to adjust synchronously, please refer to... Figures 1-7 This embodiment provides a three-axis angle synchronous adjustment structure for rolling cutters, which can synchronously adjust the cutters 306 on the three cutter shafts 304. This effectively solves the problem of synchronous adjustment in traditional methods, ensuring uniform force on the workpiece during processing, improving processing quality and product qualification rate, and enabling more precise angle adjustment. It reduces processing errors caused by poor adjustment accuracy and meets the requirements of high-precision processing. The structure includes a fixed frame 1, an inner ring 2 fixedly connected to the fixed frame 1, at least three sets of cutter head mechanisms 3 mounted on the inner ring 2, and an outer ring 4 rotatably connected to the fixed frame 1 on the outer side of the inner ring 2. An adjustment mechanism 5 is fixedly mounted on one side of the inner ring 2, and the adjustment mechanism 5 is connected to the three sets of cutter head mechanisms 3 respectively. The inner ring 2 is equipped with multiple sets of cutter head mechanisms 3, which, together with the outer ring 4 and the adjustment mechanism 5, provide a basic framework for realizing multi-angle adjustment and overall collaborative work of the cutter head 306, enhance the flexibility of the cutter head 306 layout, and help improve the diversity of processing.

[0027] Existing adjustment methods may have low precision and cannot be synchronized. Manual adjustment by observing the scale makes it difficult to precisely control the 306 angle of the cutter head, and it cannot guarantee that multiple cutter heads 306 will adjust synchronously, leading to uneven stress on the workpiece during machining and affecting machining quality. For this issue, please refer to... Figure 3 The adjustment mechanism 5 includes a stepper motor 501 mounted on a fixed frame 1. A drive gear 502 is fixed on the output shaft of the stepper motor 501. A synchronous gear ring 503 meshes with one side of the drive gear 502. A "U"-shaped protrusion 5031 is provided on the inner wall of the synchronous gear ring 503. An adjustment component 506 is provided on the inner side of the protrusion 5031. The adjustment component 506 is mounted on the cutter head mechanism 3. Driven by the stepper motor 501, precise control can be achieved through the meshing transmission between the drive gear 502 and the synchronous gear ring 503. After the synchronous gear ring 503 rotates, it can drive the adjustment component 506 to rotate through the protrusion 5031. The adjustment component 506 connects to three sets of cutter head mechanisms 3, which can drive the cutter heads 306 on the three sets of cutter head mechanisms 3 to adjust their angles synchronously, thereby improving the adjustment accuracy and synchronization, ensuring uniform force on the workpiece during processing, and improving the processing quality.

[0028] Furthermore, the synchronous gear ring 503 is rotatably connected to multiple retaining wheels 505, and the retaining wheels 505 are rotatably connected to retaining rods 504, which are fixed to the side wall of the inner ring 2. The synchronous gear ring 503 is rotatably connected to multiple retaining wheels 505, and the retaining wheels 505 cooperate with the retaining rods 504 to effectively stabilize the rotation of the synchronous gear ring 503, reduce shaking and offset, ensure a smooth adjustment process, and further improve the accuracy and stability of the angle adjustment of the cutter head 306.

[0029] The existing cutter head mechanism 3 has a complex structure and requires individual adjustment, which is inconvenient. To address this issue, please refer to... Figure 5 and Figure 6The cutting head mechanism 3 includes a telescopic seat 301 sleeved on the inner ring 2. The top of the telescopic seat 301 has an arc structure, and the bottom of the telescopic seat 301 is rotatably connected to a mounting seat 302 via an adjusting member 506. A first shaft seat 303 and a second shaft seat 305 are mounted on the bottom of the mounting seat 302. A cutting shaft 304 is rotatably connected between the first shaft seat 303 and the second shaft seat 305. A cutting head 306 is mounted on the outer wall of the cutting shaft 304 between the first shaft seat 303 and the second shaft seat 305. Furthermore, the inner wall of the outer ring 4 is provided with three inner convex planes 4 that cooperate with the cutting head mechanism 3. 01; The outer ring 4 has a dedicated motor on its outer side to drive its rotation (not shown in the figure). After the outer ring 4 rotates, it can squeeze the telescopic seat 301 through the action of the inner convex plane 401, thereby causing the telescopic seat 301 to move downward, which in turn drives the cutter head 306 to approach the workpiece. The telescopic seat 301 and the mounting seat 302 are connected by the adjusting part 506, which facilitates the angle adjustment of the cutter head 306. The cutter shaft 304 is installed between the shaft seat 1 303 and the shaft seat 2 305. The structure is stable and facilitates the installation and replacement of the cutter head 306, which improves the practicality and ease of operation of the cutter head mechanism 3.

[0030] Furthermore, the adjusting component 506 includes an adjusting ring 5061 rotatably connected to the bottom of the telescopic seat 301. An adjusting rod 5062 is fixedly provided on the outer wall of the adjusting ring 5061. One end of the adjusting rod 5062 is located inside the protrusion 5031. The bottom of the adjusting ring 5061 is fixedly connected to the mounting seat 302. After the synchronous gear ring 503 rotates, it can drive the adjusting rod 5062 to move through the protrusion 5031. The adjusting rod 5062 drives the adjusting ring 5061 to rotate. The adjusting ring 5061 then drives the mounting seat 302 at its bottom to rotate, thereby rotating the cutter head 306 at the bottom of the mounting seat 302 and achieving the purpose of adjusting the angle.

[0031] When the cutter head mechanism 3 is squeezed by the outer ring 4, and the inner convex plane 401 on the inner side of the outer ring 4 no longer contacts the cutter head mechanism 3, the cutter head mechanism 3 has the problem of not being able to reset. To address this problem, sliders 307 are fixed on both sides of the telescopic seat 301. The sliders 307 are slidably disposed in the grooves opened on the inner ring 2. A reset spring 308 connected to the slider 307 is also installed in the grooves. When the inner convex plane 401 squeezes the telescopic seat 301, the reset spring 308 is compressed, and the telescopic seat 301 will drive the cutter head 306 to move. When the inner convex plane 401 no longer squeezes the telescopic seat 301, the telescopic seat 301 is reset under the elastic action of the reset spring 308, and the telescopic seat 301 will drive the cutter head 306 to reset.

[0032] It should be noted that the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A three-axis angle synchronous adjustment structure for a rolling cutter head, comprising a fixed frame (1), an inner ring (2) fixedly connected to the fixed frame (1), at least three sets of cutter head mechanisms (3) mounted on the inner ring (2), and an outer ring (4) provided on the outer side of the inner ring (2), the outer ring (4) being rotatably connected to the fixed frame (1), characterized in that: An adjustment mechanism (5) is fixedly provided on one side of the inner ring (2), and the adjustment mechanism (5) is connected to three sets of cutter head mechanisms (3) respectively; The adjustment mechanism (5) includes a stepper motor (501) mounted on a fixed frame (1). A drive gear (502) is fixed on the output shaft of the stepper motor (501). A synchronous gear ring (503) meshes with one side of the drive gear (502). A "U"-shaped protrusion (5031) is provided on the inner wall of the synchronous gear ring (503). An adjustment member (506) is provided on the inner side of the protrusion (5031). The adjustment member (506) is mounted on the cutter head mechanism (3).

2. The three-axis angle synchronous adjusting structure of a rolling head according to claim 1, characterized in that: The synchronous gear ring (503) is rotatably connected to a plurality of retaining wheels (505), the retaining wheels (505) are rotatably connected to retaining rods (504), and the retaining rods (504) are fixed to the side wall of the inner ring (2).

3. The three-axis angle synchronous adjusting structure of a rolling head according to claim 1, characterized in that: The cutting head mechanism (3) includes a telescopic seat (301) sleeved on the inner ring (2). The top of the telescopic seat (301) is an arc structure. The bottom of the telescopic seat (301) is rotatably connected to the mounting seat (302) through the adjusting member (506). The bottom of the mounting seat (302) is equipped with a first shaft seat (303) and a second shaft seat (305). A cutting shaft (304) is rotatably connected between the first shaft seat (303) and the second shaft seat (305). A cutting head (306) is installed on the outer wall of the cutting shaft (304) between the first shaft seat (303) and the second shaft seat (305).

4. The three-axis angle synchronous adjusting structure of a rolling head according to claim 3, characterized in that: The adjusting component (506) includes an adjusting ring (5061) rotatably connected to the bottom of the telescopic seat (301), an adjusting rod (5062) fixed on the outer wall of the adjusting ring (5061), one end of the adjusting rod (5062) being inside the protrusion (5031), and the bottom of the adjusting ring (5061) being fixedly connected to the mounting seat (302).

5. The three-axis angle synchronous adjusting structure of a rolling head according to claim 4, characterized in that: The telescopic seat (301) is fixed with sliders (307) on both sides. The sliders (307) are slidably disposed in the grooves opened on the inner ring (2). A return spring (308) connected to the sliders (307) is also installed in the grooves.

6. The three-axis angle synchronous adjusting structure of a rolling head according to claim 1, characterized in that: The inner wall of the outer ring (4) is provided with three convex planes (401) that cooperate with the cutting head mechanism (3).

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