Thread rolling mechanism for solving stroke of thread rolling die

Abstract

The utility model discloses a thread rolling mechanism for solving the stroke of a thread rolling die, which relates to the technical field of thread rolling equipment and comprises a machine table, a product positioning frame is mounted on the upper portion of the machine table, a translation component is arranged on each of two sides of the product positioning frame, die tables capable of axially moving are mounted on the two translation components, and the die tables are mounted on the machine table. Synchronous columns are fixedly connected between the two die tables, a thread rolling supporting plate with the position capable of moving in the radial direction is slidably connected between the two synchronous columns, thread rolling assemblies are installed on the thread rolling supporting plate and one of the die tables, the distance between the thread rolling supporting plate and the adjacent die table is adjusted through an oil cylinder, a translation assembly is driven through a first motor, and the translation assembly is driven by a second motor to move in the radial direction. The thread rolling wheel can axially move along the table top of the linear guide rail, so that the thread rolling path is effectively prolonged, the problem that a traditional thread rolling mechanism cannot machine long threads due to limitation of the stroke of the thread rolling wheel is solved, the machining requirement for long-thread workpieces can be met, and the application range of the thread rolling technology is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thread rolling equipment technical field especially a kind of thread rolling mechanism for solving thread rolling die stroke. BACKGROUND

[0002] Thread rolling is the process that the rotation of thread rolling wheel or die makes the contact between workpiece and thread rolling wheel produce pressure, so that material produces plastic deformation, the effective stroke of thread rolling die refers to the effective working length range that die can normally thread rolling workpiece during thread rolling process, when effective stroke is not enough, it may be that the design structure of thread rolling machine is limited, for example, the maximum stroke after installation of thread rolling die is determined by the size of thread rolling machine body, it may also be that the size specification of thread rolling die does not meet the thread rolling length requirement;

[0003] Chinese patent publication No.CN216502129U discloses a thread rolling device, comprising a machine body, a collecting groove is formed in the middle position; two thread rolling assemblies are installed on both sides of the collecting groove; a supporting assembly is used for supporting workpiece, and has a first supporting piece and a second supporting piece; the first supporting piece is located directly above the collecting groove, and the second supporting piece is located on one side of the collecting groove; wherein the thread rolling assembly comprises: a mounting seat installed on the machine body; a thread rolling wheel connected and fixed with the mounting seat; a motor installed on the mounting seat and connected with the thread rolling wheel to drive the rotation of the thread rolling wheel; the first supporting piece and the second supporting piece each comprise: a mounting bracket connected with the machine body; a supporting roller installed on the mounting bracket. The device can meet the requirements of high-precision thread processing.

[0004] The thread rolling assembly of the above-mentioned technology is slidably installed on the machine body, and the distance between thread rolling wheels can be adjusted according to the size of workpiece, but the thread rolling length is limited by the size of thread rolling wheel, and the flexibility of application is poor, therefore, the utility model discloses a thread rolling mechanism for solving thread rolling die stroke to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a thread rolling mechanism for solving thread rolling die stroke to solve the problem that thread rolling length is limited by the size of thread rolling wheel and the flexibility of application is poor in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model solves the technical problems of the above-mentioned technology as follows:

[0007] The utility model provides a kind of thread rolling mechanism for solving thread rolling die stroke, including machine table, the upper portion of the machine table is equipped with product positioning frame, the both sides of the product positioning frame are equipped with one translation assembly, two translation assemblies are equipped with die table that can be axially moved, two die tables are fixedly connected with synchronous column, two synchronous columns are slidably connected with thread rolling support plate that can be radially moved, thread rolling support plate and one of die table are equipped with thread rolling assembly, and the distance between thread rolling support plate and adjacent die table is adjusted by oil cylinder.

[0008] As a further scheme of the utility model, the product positioning frame includes a boss located at the middle of the upper side of the machine table and a positioning plate detachably connected above the machine table, and the upper side of the positioning plate is provided with a slot for adapting to the structure of the workpiece.

[0009] As a further scheme of the utility model, the upper side of the boss is fixed with four positioning screws, and the two sides of the positioning plate are both fixed with a base plate, and the end of the positioning screw is threadedly connected with a nut through the base plate.

[0010] As a further scheme of the utility model, the translation assembly includes a linear guide rail table surface fixed on the upper side of the machine table and a first motor, the two inner walls of the linear guide rail table surface are fixedly connected with a lead screw, the output end of the first motor is connected with one end of the lead screw protruding out of the linear guide rail table surface through a shaft coupling, and the outer side of the lead screw is threadedly connected with a sliding table that can slide along the linear guide rail table surface, and the sliding table is fixedly connected with the die table.

[0011] As a further scheme of the utility model, the thread rolling assembly includes a bracket and a second motor fixed on one side of the bracket, the bracket is fixed on the thread rolling support plate or the die table, the two inner walls of the bracket are rotatably connected with a thread rolling wheel, and the output end of the second motor is connected with the thread rolling wheel through a shaft coupling.

[0012] As a further scheme of the utility model, the oil cylinder and its output end are fixedly connected with the thread rolling support plate and the die table respectively.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model provides a kind of thread rolling mechanism for solving thread rolling die stroke, by the first motor drive translation assembly, so that thread rolling wheel can be axially moved along linear guide rail table surface, thereby effectively prolongs thread rolling path, overcomes the problem that traditional thread rolling mechanism cannot process long thread due to thread rolling wheel stroke limit, can satisfy the processing demand of long thread workpiece, and expands the application range of thread rolling process.

[0015] The utility model discloses a kind of thread rolling mechanism of solving thread rolling die stroke, by thread support plate sliding connection on synchronous column, ensure the stability of thread rolling wheel in radial movement process, reduce the thread defect caused by mechanical vibration or instability in thread rolling process, improve the machining precision and quality of thread, ensure the consistency of workpiece thread size and surface roughness. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further described below in connection with drawings and examples:

[0017] Figure 1 It is the perspective view of the utility model of a kind of thread rolling mechanism of solving thread rolling die stroke;

[0018] Figure 2 It is the top view of the utility model of a kind of thread rolling mechanism of solving thread rolling die stroke;

[0019] Figure 3 It is the front view of the utility model of a kind of thread rolling mechanism of solving thread rolling die stroke;

[0020] Figure 4 It is the structure enlarged view of A in the utility model of a kind of thread rolling mechanism of solving thread rolling die stroke Figure 1

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, machine table;2, product positioning frame;3, translation assembly;4, die table;41, synchronous column;42, thread support plate;5, thread rolling assembly;6, oil cylinder;21, boss;22, positioning plate;221, slot;211, positioning screw;222, base plate;212, nut;31, linear guide rail table top;32, first motor;33, screw;34, sliding table;51, bracket;52, second motor;53, thread rolling wheel. DETAILED DESCRIPTION

[0023] The utility model is further described below in connection with examples.

[0024] Please refer to Figures 1-4 The utility model provides a kind of thread rolling mechanism of solving thread rolling die stroke, including machine table 1, the upper portion of the machine table 1 is equipped with product positioning frame 2, the product positioning frame 2 includes the boss 21 located in the middle part of the upper side of machine table 1 and the positioning plate 22 detachably connected above machine table 1, the upper side of the positioning plate 22 is equipped with the slot 221 for adapting workpiece structure;

[0025] Specifically, positioning plate 22 can be adjusted and replaced according to the shape and size of different workpieces, improve the versatility and flexibility of equipment.

[0026] ​Further, the upper side of the boss 21 is fixed with four positioning screws 211, both sides of the positioning plate 22 are fixed with base plates 222, and the ends of the positioning screws 211 are threadedly connected with nuts 212 through the base plates 222;

[0027] Specifically, the positioning screws 211 pass through the base plates 222 and are fastened with the nuts 212, which ensures the accurate and stable position of the positioning plate 22 on the boss 21, and vice versa, the nuts 212 can be removed to replace the positioning plate 22.

[0028] Further, both sides of the product positioning frame 2 are provided with a translation assembly 3, and both of the translation assemblies 3 are installed with a mold table 4 which can axially move, the translation assembly 3 comprises a linear guide rail table 31 fixed on the upper side of the machine table 1 and a first motor 32, the inner walls of both sides of the linear guide rail table 31 are fixedly connected with a lead screw 33, the output end of the first motor 32 is connected with one end of the lead screw 33 which extends out of the linear guide rail table 31 through a shaft coupling, and the outer side of the lead screw 33 is threadedly connected with a sliding table 34 which can slide along the linear guide rail table 31, and the sliding table 34 is fixedly connected with the mold table 4;

[0029] Specifically, the output end of the first motor 32 is connected with one end of the lead screw 33 through a shaft coupling, when the motor rotates, power is transmitted to the lead screw 33 through the shaft coupling, when the lead screw 33 rotates, its rotary motion will be converted into linear motion of the sliding table 34 because the outer side of the lead screw 33 is threadedly connected with the sliding table 34, the sliding table 34 slides along the linear guide rail table 31, thereby realizing the axial movement of the mold table 4 and the rolling screw assembly 5 thereon, it is worth noting that during the thread rolling process, the relationship between the moving speed and the rotating speed of the rolling screw wheel 53 is accurately calculated according to the parameters such as the thread pitch, the rolling screw die and the diameter of the workpiece, so as to ensure the quality of the rolled thread.

[0030] Further, the two mold tables 4 are fixedly connected with synchronous columns 41, and the synchronous columns 41 are slidingly connected with a rolling screw support plate 42 which can radially move, the rolling screw support plate 42 and one of the mold tables 4 are both installed with a rolling screw assembly 5, the rolling screw assembly 5 comprises a bracket 51 and a second motor 52 fixed on one side of the bracket 51, the bracket 51 is fixed on the rolling screw support plate 42 or the mold table 4, the inner walls of both sides of the bracket 51 are rotationally connected with a rolling screw wheel 53, and the output end of the second motor 52 is connected with the rolling screw wheel 53 through a shaft coupling;

[0031] Specifically, the second motor 52 drives the rolling screw wheel 53 to rotate through a shaft coupling, the rolling screw wheel 53 contacts the workpiece during rotation, and the surface of the workpiece is formed with a thread through pressure.

[0032] Further, the rolling thread support plate 42 and the adjacent die table 4 are adjusted in spacing by the oil cylinder 6, and the oil cylinder 6 and its output end are respectively fixedly connected with the rolling thread support plate 42 and the die table 4;

[0033] Specifically, the oil cylinder 6 can adjust the spacing between the rolling thread support plate 42 and the die table 4 through the telescopic action, so as to realize the radial position adjustment of the rolling thread wheel 53, so as to adapt to the workpieces of different diameters or processing requirements.

[0034] Working principle: the rolling thread mechanism for solving the rolling thread die stroke, when in use, the workpiece is limited in the slotted groove 221, the oil cylinder 6 is elongated, can push the rolling thread support plate 42 along the synchronous column 41 sliding, at the same time, the second motor 52 drives the rolling thread wheel 53 to rotate, so that the rolling thread wheel 53 can execute the rolling thread work to the workpiece, in the rolling thread process, the first motor 32 drives the screw rod 33 to thread drive the sliding table 34 along the linear guide rail table surface 31 sliding, the rolling thread wheel 53 moves axially at a certain speed, can effectively prolong the rolling thread path, overcome the limitation of the rolling thread wheel 53 to the length of the rolling thread path, realize the long stroke rolling thread.

Claims

1. A thread rolling mechanism for resolving the thread rolling die stroke, comprising a machine table (1), characterized in that, The upper part of the machine table (1) is provided with a product positioning frame (2), and the two sides of the product positioning frame (2) are respectively provided with a translation assembly (3), and the two translation assemblies (3) are respectively provided with a mold table (4) which can be axially moved, and the two mold tables (4) are fixedly connected with a synchronous column (41), and the synchronous column (41) is slidably connected with a rolling wire support plate (42) which can be radially moved, and the rolling wire support plate (42) and one of the mold tables (4) are respectively provided with a rolling wire assembly (5), and the rolling wire support plate (42) and the adjacent mold table (4) are adjusted in spacing by an oil cylinder (6).

2. A thread rolling mechanism to address the thread rolling die stroke as claimed in claim 1, wherein: The product positioning frame (2) comprises a boss (21) located at the upper middle part of the machine table (1) and a positioning plate (22) which is detachably connected above the machine table (1), and the upper side of the positioning plate (22) is provided with a slot (221) which is adapted to the structure of the workpiece.

3. A thread rolling mechanism to address the thread rolling die stroke according to claim 2, wherein: The upper side of the boss (21) is fixedly provided with four positioning screws (211), and the two sides of the positioning plate (22) are respectively fixedly provided with a base plate (222), and the end of the positioning screw (211) is threadedly connected with a nut (212) which penetrates through the base plate (222).

4. A thread rolling mechanism to resolve the thread rolling die stroke according to claim 1, characterized in that: The translation assembly (3) comprises a linear guide rail table (31) and a first motor (32) which are fixedly arranged on the upper side of the machine table (1), the two inner walls of the linear guide rail table (31) are fixedly connected with a screw rod (33), the output end of the first motor (32) is connected with one end of the screw rod (33) which protrudes out of the linear guide rail table (31) through a shaft coupling, and the outer side of the screw rod (33) is threadedly connected with a sliding table (34) which can slide along the linear guide rail table (31), and the sliding table (34) is fixedly connected with the mold table (4).

5. A thread rolling mechanism to resolve the thread rolling die stroke according to claim 1, characterized in that: The rolling wire assembly (5) comprises a bracket (51) and a second motor (52) which is fixedly arranged on one side of the bracket (51), the bracket (51) is fixedly arranged on the rolling wire support plate (42) or the mold table (4), the two inner walls of the bracket (51) are rotatably connected with a rolling wire wheel (53), and the output end of the second motor (52) is connected with the rolling wire wheel (53) through a shaft coupling.

6. A thread rolling mechanism to address the thread rolling die stroke according to claim 1, wherein: The oil cylinder (6) and its output end are respectively fixedly connected with the rolling wire support plate (42) and the mold table (4).

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