Bit torque fatigue failure testing device
Through the combination of fixed base, guide rail assembly, motor system and torque sensor, the accuracy and simplicity problems of bit torque fatigue failure test are solved, and efficient and accurate detection of bit torque fatigue failure test is achieved.
Patent Information
- Application Number
- CN202423115083.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In the bit torque fatigue damage test equipment, the bit has irregular dimensions, different types and lengths, and tooling design is difficult. The number of torque fatigue damage tests is as high as 5,000 times, the rotation angle is small and the force is uneven. Traditional equipment is difficult to meet the data requirements.
A fixed base, guide rail assembly, motor system assembly, torque sensor, drive head and bit fixture are used to form a bit torque fatigue damage test device. The torque is output by the servo motor and detected by the torque sensor to achieve the torque damage test of the bit.
The accuracy and simplicity of the torque fatigue damage test of the screwdriver bit are achieved, the inaccuracy of the traditional testing method is avoided, and the structure is stable and reliable.
Smart Images

Figure CN223449473U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the application technical field of bit head torque fatigue failure test, especially to bit head torque fatigue failure test device. BACKGROUND
[0002] In bit head torque fatigue failure test equipment, bit head torque fatigue failure test is often a difficult problem, because the bit head shape size is irregular, the type length is not one, and the tooling design becomes a difficult problem, the bit head torque fatigue failure test frequency is as high as 5000 times of fatigue test, the reciprocating rotation angle is small, and stress is uneven, so general torque failure equipment is difficult to meet the data requirement, and therefore a bit head torque fatigue failure test device can effectively solve the technical application problem, and the bit head torque fatigue failure test device can effectively solve the technical application requirement. UTILITY MODEL CONTENTS
[0003] In view of the defects in the prior art, the utility model aims at providing a bit head torque fatigue failure test device, which is composed of a fixed base, a guide rail assembly, a motor system assembly, a torque sensor, a driving head, a bit head tooling and a bit head, and effectively solves the technical application requirement of bit head torque fatigue failure test.
[0004] The above utility model of the utility model is realized through the following technical scheme:
[0005] The bit head torque fatigue failure test device comprises a fixed base and a lifting seat, one side of the fixed base is provided with a guide rail assembly, the lifting seat is slidably arranged on one side of the fixed base through the guide rail assembly, a servo motor is arranged on the lifting seat, the output shaft of the servo motor is arranged downward, a torque sensor and a driving head are installed on the output shaft of the servo motor, a bit head tooling is arranged directly below the driving head, and a bit head is clamped on the bit head tooling.
[0006] The bit head is fixedly installed on the bit head tooling, the driving head is sleeved on the head of the bit head, the system output of the servo motor reciprocates and rotates torque, the servo motor outputs torque to the driving head, the torque sensor detects torque value and reciprocation frequency, until the set value is reached to detect the bit head torque failure, and synchronous rotation is achieved when the set value is reached.
[0007] As a further technical scheme of the utility model, the guide rail assembly comprises two guide rails and a sliding block slidably arranged on the two guide rails, and the lifting seat is fixed on the two sliding blocks.
[0008] As a further technical scheme of the utility model, visual holes are formed in the three side walls of the lifting seat.
[0009] As a further technical scheme of the utility model: the bottom surface of the driving head is provided with an assembly hole matched with the top end of the batch head.
[0010] To sum up, the utility model has at least one of the following beneficial technical effects:
[0011] The utility model discloses a batch head torque fatigue failure testing arrangement adopts the servo system output torque angle of autonomy, and through the pre-tightening torque destruction force of own drive system, solves the mode of reciprocating testing that traditional needs to disassemble sensor and carries to other equipment, effectively avoids the problem of inaccurate that reciprocating times bring, and the utility model effectively solves the technical application demand of batch head torque fatigue failure testing. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is whole structure schematic diagram of the utility model.
[0013] Signification of drawing: 1, fixed base; 2, lifting seat; 21, visible hole; 3, guide rail assembly; 31, guide rail; 32, sliding block; 4, servo motor; 5, torque sensor; 6, driving head; 7, batch head tooling; 8, batch head. DETAILED DESCRIPTION
[0014] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments, based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present application.
[0015] In the description of the present application, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0016] In the description of the present application, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, and can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Embodiments
[0017] Reference Figure 1 The utility model discloses a bit torque fatigue failure testing arrangement, including fixed base 1 and lifting seat 2, one side of fixed base 1 is provided with guide rail assembly 3, lifting seat 2 is slidably arranged on one side of fixed base 1 through guide rail assembly 3, be provided with servo motor 4 on lifting seat 2, the output shaft of servo motor 4 is arranged towards the downside, is installed with torque sensor 5 and drive head 6 on the output shaft of servo motor 4, is provided with bit tooling 7 directly below drive head 6, and the bit tooling 7 is clamped with bit 8 on it;
[0018] Bit 8 is fixedly installed on bit tooling 7, drive head 6 is sleeved on the head of bit 8, and then the system output reciprocating torque of servo motor 4, servo motor 4 outputs torque to drive head 6, and torque sensor 5 detects torque value and reciprocating frequency, until the set value is reached to detect the torque failure of bit 8, and the set value program is rotated synchronously. Preferably, servo motor 4 controls output torque and output angle, which is simple and intuitive, and the data is accurate. Preferably, bit 8 is clamped by fixed tooling, and the structure is stable and reliable.
[0019] Guide rail assembly 3 includes two guide rails 31 and a sliding block 32 slidably arranged on the two guide rails 31, and the lifting seat 2 is fixed on the two sliding blocks 32. The three side walls of the lifting seat 2 are each provided with a viewing hole 21, and the bottom surface of the drive head 6 is provided with a mounting hole matched with the top end of the bit 8.
[0020] The implementation principle of the utility model is: the utility model discloses a bit torque fatigue failure testing arrangement, which adopts a self-service servo system to output torque angle, applies a pre-tightening torque breaking force through the driving system itself, solves the traditional need to disassemble the sensor and carry it to other equipment for reciprocating test, effectively avoids the problem of inaccurate reciprocating frequency, and effectively solves the technical application requirement of bit 8 torque fatigue failure test.
[0021] The embodiments of the present embodiment are the preferred embodiments of the present utility model, not limited to the protection scope of the present utility model, so: all equivalent changes made according to the structure, shape and principle of the present utility model should be covered in the protection scope of the present utility model.
Claims
1. The bit torque fatigue failure test device is characterized by: The invention comprises a fixed base (1) and a lifting base (2), wherein a guide rail assembly (3) is provided on one side of the fixed base (1), and the lifting base (2) is slidably provided on one side of the fixed base (1) via the guide rail assembly (3); a servo motor (4) is provided on the lifting base (2), and the output shaft of the servo motor (4) is arranged downward; a torque sensor (5) and a driving head (6) are installed on the output shaft of the servo motor (4); a screwdriver bit fixture (7) is provided directly below the driving head (6), and a screwdriver bit (8) is clamped on the screwdriver bit fixture (7); The bit (8) is fixedly mounted on the bit tooling (7), and the drive head (6) is placed on the head of the bit (8). The servo motor (4) system then outputs a reciprocating rotation torque. The servo motor (4) outputs torque to the drive head (6). At the same time, the torque sensor (5) detects the torque value and the number of reciprocating times until a set value is reached to detect the torque damage of the bit (8), and the bit (8) rotates synchronously when the set value is reached.
2. The bit torque fatigue failure testing device according to claim 1, characterized in that: The guide rail assembly (3) comprises two guide rails (31) and sliders (32) slidably arranged on the two guide rails (31), and the lifting seat (2) is fixed on the two sliders (32).
3. The bit torque fatigue failure testing device according to claim 1, characterized in that: The three side walls of the lifting seat (2) are all provided with viewing holes (21).
4. The bit torque fatigue failure testing device according to claim 1, characterized in that: The bottom surface of the driving head (6) is provided with an assembly hole that matches the top end of the bit (8).