Steering screw transmission efficiency and lead error detection device

Abstract

The invention relates to a steering lead screw transmission efficiency and lead error detection device which comprises a machine table, a servo electric cylinder is installed on the left side of the top of the machine table, a sliding seat is installed at the right end of the servo electric cylinder, a tension air cylinder is installed on the end side of the top of the sliding seat, and a slider is arranged on the end side of the sliding seat in a penetrating mode. The steering lead screw transmission efficiency and lead error detection device has the advantages that the bottom groove and the sliding rail move to be used for sliding displacement of the base and change of the position of the base, the position of the base is controllable and adjustable, the steering lead screw transmission efficiency and lead error detection device is more flexible and convenient to use, during use, the base and the top base are disassembled firstly, the lead screw is arranged at the position of the sponge block of the base, and then the top base is connected in a covering mode; the top seat and the base are connected together in a clamped mode through the clamping strips and the clamping grooves to form a whole, at the moment, the two sponge blocks wrap the lead screw piece, the end wall of the lead screw piece is wiped, and impurities and dust on the end wall of the lead screw piece are wiped and cleaned conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of heater devices, in particular to a steering screw transmission efficiency and lead error detection device. Background Art

[0002] Ball screw is an ideal product for converting rotary motion into linear motion, or converting linear motion into rotary motion. Ball screw is the most commonly used transmission element in tool machinery and precision machinery. Its main function is to convert rotary motion into linear motion, or convert torque into axial repetitive force. It also has the characteristics of high precision, reversibility and high efficiency. After the screw is processed, it will be tested, such as transmission efficiency and lead error detection. This transmission efficiency and lead error device is used to detect the transmission efficiency and lead error of the screw.

[0003] When inspecting screw parts, ordinary inspection methods are simple, resulting in poor inspection accuracy. During inspection, the screw to be inspected will be placed on a material rack near the device body, which is not conducive to quick retrieval of the screw. At the same time, after the screw is placed, the end wall of the screw will be contaminated with dust, so that the cleanliness during inspection is also poor, which is not conducive to neat, fast and safe inspection of screw parts. Summary of the invention

[0004] The object of the present invention is to provide a steering screw transmission efficiency and lead error detection device to solve the problem that the existing screw parts proposed in the above background technology are simple in ordinary detection method, resulting in poor accuracy during detection, and during detection, the screw to be detected will be placed on a material rack near the device body, which is not conducive to the rapid retrieval of the screw. At the same time, after the screw is placed, the end wall of the screw will be contaminated with dust, so that the cleanliness during detection is also poor, which is not conducive to the neat, fast and safe detection of the screw parts.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a steering screw transmission efficiency and lead error detection device, comprising a machine platform, a servo electric cylinder is installed on the top left side of the machine platform, a slide is installed on the right end of the servo electric cylinder, a tension cylinder is installed on the top end side of the slide, a slider is penetrated through the end side of the slide, a tension sensor that transmits to the tension cylinder is installed on the right end of the slide, a screw is installed on the right end of the tension sensor, a torsion servo motor is arranged on the top right side of the machine platform, a torque sensor is installed on the left side of the torsion servo motor, a shaft support is arranged on the left side of the torque sensor, and an angle encoder is installed on the end side of the shaft support, A nut is installed at the right end of the screw, and a synchronous wheel is installed at the end side of the nut and the side end of the shaft support. A screw support is arranged at the bottom of the nut, and a synchronous belt is installed at the end side of the synchronous wheel. Slide rails are installed at the front and rear ends of the top of the machine, and a sliding seat and a base are installed at the end side of the slide rail. A solid block is installed at the end side of the sliding seat, a screw is passed through the end wall of the solid block, and a seat slide groove is opened at the bottom end of the solid block, and a base is installed at the bottom end of the top seat, and the end walls of the top seat and the base are both provided with card strips, and the end walls of the top seat and the base are both provided with card grooves, a sponge block is installed in the middle of the top seat and the base, and the bottom end wall of the base is provided with a bottom groove.

[0006] Preferably, the servo electric cylinder is fixedly connected to the machine platform, the machine platform is driven by the slide, and the slide is fixedly connected to the tension cylinder.

[0007] Preferably, the slider is composed of a slide rod, a displacement sensor, and a fixed block, the machine platform and the fixed block are fixedly connected, the fixed block and the displacement sensor are fixedly connected, the displacement sensor and the slide rod are fixedly connected, and the slide seat and the slide rod are movably connected.

[0008] Preferably, the lead screw is threadedly connected to the nut, the nut is rotationally connected to the lead screw support, and the lead screw support is fixedly connected to the machine platform.

[0009] Preferably, the synchronous wheel and the nut are fixedly connected, and the nut is driven by the torque servo motor via the synchronous wheel and the synchronous belt.

[0010] Preferably, the shaft support is fixedly connected to the machine platform, and the shaft support is rotatably connected to the torque sensor.

[0011] Preferably, the slide rail is fixedly connected to the machine platform, and a slide structure is formed between the slide rail and the sliding seat via a seat slide groove, and the sliding seat is fixedly connected to the solid block.

[0012] Preferably, the top seat and the base are both fixedly connected to the clamping strip.

[0013] Preferably, the top seat and the base are clamped together by clamping strips and clamping grooves, and the top seat, the base and the sponge block are adhesively connected.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention operates the servo electric cylinder and the tension cylinder respectively to push the tension sensor and the lead screw to apply force to the tension sensor. When the servo electric cylinder is in operation, it pushes the slide to move, and the slide slides along the slide rod. The displacement sensor fixed at the end wall of the slide rod monitors the displacement distance of the slide. During detection, the torque servo motor runs to drive the torque sensor to rotate, and the torque sensor drives the synchronous wheel and the synchronous belt to drive the nut, so that the nut and the lead screw produce driving force, and the angle encoder, torque sensor, and tension sensor are used to detect displacement and torque force parameters, which is convenient for the subsequent calculation of transmission efficiency and lead error.

[0016] 2. The present invention connects the nut through the screw support to support the nut, and the synchronous wheel and the synchronous belt are used to transmit the force of the torque servo motor to drive the nut.

[0017] 3. The present invention uses the sliding rail and the seat slide groove to move each other, which is used to slide the sliding seat and change the position of the sliding seat. The position of the sliding seat is controllable and adjustable, which is more flexible and convenient when in use. The upper end wall of the sliding seat is in an arc shape, which is used to support and place the screw member. When in use, tighten the screw to lock and limit the sliding seat after the position is adjusted.

[0018] 4. The present invention is used for sliding displacement of the base through the mutual movement of the bottom groove and the slide rail to change the position of the base. The position of the base is controllable and adjustable, and it is more flexible and convenient to use. When in use, first disassemble the base and the top seat, and place the screw on the sponge block of the base. Then cover the top seat, and connect the top seat and the base together through the card strip and the card slot to form a whole. At this time, the two sponge blocks wrap the screw member, so that the end wall of the screw member is wiped, which is convenient for wiping and cleaning impurities and dust on the end wall of the screw member. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a steering screw transmission efficiency and lead error detection device of the present invention;

[0020] Figure 2 It is a schematic diagram of the side view structure of a slide seat of a steering screw transmission efficiency and lead error detection device of the present invention;

[0021] Figure 3 It is a schematic diagram of the side view structure of the top seat and the base of a steering screw transmission efficiency and lead error detection device of the present invention;

[0022] Figure 4It is a schematic diagram of the exploded structure of the top seat and the base of a steering screw transmission efficiency and lead error detection device of the present invention;

[0023] Figure 5 A steering screw transmission efficiency and lead error detection device of the present invention Figure 1 Enlarged structural diagram at A in the middle.

[0024] In the figure: 1. servo electric cylinder; 2. tension cylinder; 3. slide seat; 4. slider; 5. tension sensor; 6. lead screw; 7. nut; 8. synchronous wheel; 9. lead screw support; 10. synchronous belt; 11. shaft support; 12. angle encoder; 13. torque sensor; 14. torque servo motor; 15. slide rail; 16. sliding seat; 17. solid block; 18. screw; 19. seat slide groove; 20. top seat; 21. base; 22. card strip; 23. card groove; 24. sponge block; 25. bottom groove; 26. machine table. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1-5The present invention provides a technical solution: a steering screw transmission efficiency and lead error detection device, comprising a machine table 26, a servo electric cylinder 1 is installed on the top left side of the machine table 26, a slide seat 3 is installed on the right end of the servo electric cylinder 1, a tension cylinder 2 is installed on the top end side of the slide seat 3, a slider 4 is penetrated through the end side of the slide seat 3, a tension sensor 5 that is transmitted to the tension cylinder 2 is installed on the right end of the slide seat 3, a screw 6 is installed on the right end of the tension sensor 5, a torsion servo motor 14 is arranged on the top right side of the machine table 26, a torque sensor 13 is installed on the left side of the torsion servo motor 14, a shaft support 11 is arranged on the left side of the torque sensor 13, an angle encoder 12 is installed on the end side of the shaft support 11, and a screw nut 7 is installed on the right end of the screw 6, The end side of the nut 7 and the side end of the shaft support 11 are both installed with a synchronous wheel 8, a screw support 9 is arranged at the bottom of the nut 7, a synchronous belt 10 is installed at the end side of the synchronous wheel 8, and slide rails 15 are installed at both ends of the top and rear of the machine table 26. The end side of the slide rail 15 is installed with a sliding seat 16 and a base 21. The end side of the sliding seat 16 is installed with a solid block 17, and the end wall of the solid block 17 is penetrated by a screw 18. The bottom end wall of the solid block 17 is provided with a seat slide groove 19. The bottom end of the top seat 20 is installed with a base 21, and the end walls of the top seat 20 and the base 21 are both provided with a card strip 22. The end walls of the top seat 20 and the base 21 are both provided with a card groove 23. The middle parts of the top seat 20 and the base 21 are both installed with a sponge block 24, and the bottom end wall of the base 21 is provided with a bottom groove 25.

[0029] The servo electric cylinder 1 is fixedly connected to the machine table 26, and the machine table 26 is driven by the slide seat 3, and the slide seat 3 is fixedly connected to the tension cylinder 2. The slider 4 is composed of a slide rod, a displacement sensor, and a fixed block. The machine table 26 is fixedly connected to the fixed block, and the fixed block and the displacement sensor are fixedly connected, and the displacement sensor is fixedly connected to the slide rod, and the slide seat 3 is movably connected to the slide rod. The servo electric cylinder 1 and the tension cylinder 2 are respectively operated to push the tension sensor 5 and the lead screw 6 to apply force to the tension sensor 5. , wherein, when the servo electric cylinder 1 is running, it pushes the slide 3 to move, and the slide 3 slides along the slide rod. The displacement sensor fixed at the end wall of the slide rod monitors the displacement distance of the slide 3. During detection, the torque servo motor 14 runs to drive the torque sensor 13 to rotate. The torque sensor 13 drives the synchronous wheel 8 and the synchronous belt 10 to drive, so that the nut 7 has a driving force, and the nut 7 and the lead screw 6 are displaced. Among them, the angle encoder 12, the torque sensor 13, and the tension sensor 5 are used to detect the displacement and torque force parameters, which are convenient for the subsequent calculation of the transmission efficiency and the lead error;

[0030] The lead screw 6 is threadedly connected to the nut 7, and the nut 7 is rotationally connected to the lead screw support 9, and the lead screw support 9 is fixedly connected to the machine table 26, the synchronous wheel 8 is fixedly connected to the nut 7, and the nut 7 is driven by the torque servo motor 14 through the synchronous wheel 8 and the synchronous belt 10, the nut 7 is connected to the lead screw support 9, and the nut 7 is supported, and the synchronous wheel 8 and the synchronous belt 10 are used to transmit the force of the torque servo motor 14 to drive the nut 7;

[0031] The shaft support 11 is fixedly connected to the machine table 26, and the shaft support 11 is rotatably connected to the torque sensor 13. The slide rail 15 is fixedly connected to the machine table 26, and the slide rail 15 and the sliding seat 16 form a sliding structure through the seat slide groove 19, and the sliding seat 16 is fixedly connected to the solid block 17. The slide rail 15 and the seat slide groove 19 are movable to slide the sliding seat 16 to change the position of the sliding seat 16. The position of the sliding seat 16 is controllable and adjustable, which is more flexible and convenient when used. The upper end wall of the sliding seat 16 is in an arc shape, which is used to support and place the screw member. When in use, tighten the screw 18 to lock and limit the sliding seat 16 after the adjusted position;

[0032] The top seat 20 and the base 21 are fixedly connected to the clamping strip 22, and the top seat 20 and the base 21 are clamped together by the clamping strip 22 and the clamping groove 23, and the top seat 20, the base 21 and the sponge block 24 are bonded and connected, and are movable through the bottom groove 25 and the slide rail 15 to slide the base 21 and change the position of the base 21. The position of the base 21 is controllable and adjustable, which is more flexible and convenient to use. When in use, first disassemble the base 21 and the top seat 20, and place the screw on the sponge block 24 of the base 21, and then cover the top seat 20, so that the top seat 20 and the base 21 are clamped together by the clamping strip 22 and the clamping groove 23 to form a whole. At this time, the two sponge blocks 24 wrap the screw member, so that the end wall of the screw member is wiped, which is convenient for wiping and cleaning impurities and dust on the end wall of the screw member.

[0033] In summary, the steering screw transmission efficiency and lead error detection device, when in use, operates through the servo electric cylinder 1 and the tension cylinder 2 respectively, which are used to push the tension sensor 5 and the screw 6, and apply force to the tension sensor 5. When the servo electric cylinder 1 is running, it pushes the slide 3 to move, and the slide 3 slides along the slide rod. The displacement sensor fixed at the end wall of the slide rod monitors the displacement distance of the slide 3. During detection, the torque servo motor 14 runs to drive the torque sensor 13 to rotate, and the torque sensor 13 drives the synchronous wheel 8 and the synchronous belt 10 to transmit, so that the nut 7 has a driving force, and the nut 7 and the screw 6 are displaced. Among them, the angle encoder 12, the torque sensor 13, and the tension sensor 5 are used to detect the displacement and torque force parameters, which is convenient for the subsequent calculation of the transmission efficiency and lead error. The nut 7 is connected through the screw support 9 to support the nut 7. The synchronous wheel 8 and the synchronous belt 10 are used to transmit the force connected to the torque servo motor 14. The nut 7 is used to slide the sliding seat 16 through the slide rail 15 and the seat slide groove 19 to change the position of the sliding seat 16. The position of the sliding seat 16 is controllable and adjustable, which is more flexible and convenient when used. The upper end wall of the sliding seat 16 is in an arc shape, which is used to support and place the lead screw. When in use, tighten the screw 18 to lock the sliding seat 16 after the adjustment position. The bottom groove 25 and the slide rail 15 are used to slide the displacement base 21 to change the base. The position of the base 21 is controllable and adjustable, and it is more flexible and convenient to use. When in use, first disassemble the base 21 and the top seat 20, and place the screw on the sponge block 24 of the base 21, and then cover the top seat 20, so that the top seat 20 and the base 21 are connected together through the clamping strip 22 and the clamping groove 23 to form a whole. At this time, the two sponge blocks 24 wrap the screw part, so that the end wall of the screw part is wiped, which is convenient for wiping and cleaning impurities and dust on the end wall of the screw part.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for detecting the transmission efficiency and lead error of a steering screw, comprising a machine platform (26), characterized in that: A servo electric cylinder (1) is installed on the left side of the top of the machine (26), a slide seat (3) is installed on the right end of the servo electric cylinder (1), a tension cylinder (2) is installed on the top end side of the slide seat (3), a slider (4) is passed through the end side of the slide seat (3), a tension sensor (5) that is transmitted to the tension cylinder (2) is installed on the right end of the slide seat (3), a lead screw (6) is installed on the right end of the tension sensor (5), a torque servo motor (14) is arranged on the right side of the top of the machine (26), a torque sensor (13) is installed on the left side of the torque servo motor (14), a shaft support (11) is arranged on the left side of the torque sensor (13), an angle encoder (12) is installed on the end side of the shaft support (11), a nut (7) is installed on the right side end of the lead screw (6), and a synchronous wheel is installed on the end side of the nut (7) and the side end of the shaft support (11). (8), a lead screw support (9) is arranged at the bottom of the nut (7), a synchronous belt (10) is installed at the end side of the synchronous wheel (8), a slide rail (15) is installed at both the front and rear ends of the top of the machine table (26), a sliding seat (16) and a base (21) are installed at the end side of the slide rail (15), a solid block (17) is installed at the end side of the sliding seat (16), a screw (18) is passed through the end wall of the solid block (17), and the solid block The bottom end wall of the top seat (17) is provided with a seat slide groove (19), the bottom end of the top seat (20) is installed with a base (21), the end walls of the top seat (20) and the base (21) are both provided with a clamping strip (22), the end walls of the top seat (20) and the base (21) are both provided with a clamping groove (23), the middle parts of the top seat (20) and the base (21) are both provided with a sponge block (24), and the bottom end wall of the base (21) is provided with a bottom groove (25).

2. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The servo electric cylinder (1) is fixedly connected to the machine platform (26), the machine platform (26) is driven by the slide seat (3), and the slide seat (3) is fixedly connected to the tension cylinder (2).

3. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The slider (4) is composed of a slide bar, a displacement sensor, and a fixed block; the machine platform (26) and the fixed block are fixedly connected, the fixed block and the displacement sensor are fixedly connected, the displacement sensor and the slide bar are fixedly connected, and the slide seat (3) and the slide bar are movably connected.

4. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The lead screw (6) and the nut (7) are threadedly connected, the nut (7) and the lead screw support (9) are rotationally connected, and the lead screw support (9) and the machine platform (26) are fixedly connected.

5. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The synchronous wheel (8) and the nut (7) are fixedly connected, and the nut (7) is driven by the torque servo motor (14) through the synchronous wheel (8) and the synchronous belt (10).

6. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The shaft support (11) is fixedly connected to the machine platform (26), and the shaft support (11) is rotatably connected to the torque sensor (13).

7. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The slide rail (15) and the machine platform (26) are fixedly connected, and a slide structure is formed between the slide rail (15) and the sliding seat (16) via a seat slide groove (19), and the sliding seat (16) and the solid block (17) are fixedly connected.

8. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The top seat (20) and the base seat (21) are both fixedly connected to the clamping strip (22).

9. A steering screw transmission efficiency and lead error detection device according to claim 1, characterized in that: The top seat (20) and the base (21) are clamped together via a clamping strip (22) and a clamping groove (23), and the top seat (20), the base (21) and the sponge block (24) are bonded and connected.

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