Contour measuring device applied to gearbox gear machining

Abstract

The utility model discloses a contour measuring device applied to gearbox gear machining, and relates to the technical field of gearbox gear machining. The device comprises a base, a fixing mechanism and a measuring mechanism, the fixing mechanism comprises a placing plate and a distance measuring sensor, the fixing mechanism, a second lead screw and a sliding block are arranged, and a first lead screw arranged in the sliding block rotates to drive three inner supporting blocks to slide in a first sliding groove; an inner supporting block fixes a gear at the center of a placement plate from the inner side of the gear, the stability of the gear in the measurement process is ensured, meanwhile, measurement errors caused by position deviation of the gear are avoided, a second lead screw is driven by a motor to rotate, a sliding block slides in a second sliding groove, the sliding block drives the placement plate to move to the measurement position, and the measurement accuracy is improved. The gear can be accurately stopped below the measuring sensor, the measuring accuracy is further improved, the display screen visually displays various data of the gear, and an operator can conveniently measure the data.

Description

TECHNICAL FIELD

[0001] The utility model relates to gearbox gear processing technical field, concretely is the profile determination device for the application in gearbox gear processing. BACKGROUND

[0002] Gearbox gear is the core component in the automobile transmission, they realize the flexible adjustment of engine output power through different combination and meshing mode, to meet the demand of vehicle under different driving conditions, these gears not only have the function of changing transmission ratio, through the combination of different tooth number to expand the change range of driving wheel torque and speed, make the engine work in the most favorable working condition, also can realize the reverse driving of vehicle.

[0003] Through the retrieval, the patent with patent authorization announcement number CN217585686U discloses a profile determination device for automobile gear machining, which comprises a fixed base, the top of the fixed base is fixedly connected with a fixed support, the top end face of the fixed support is fixedly connected with a control display screen; the automobile gear can be transferred through the conveying screw rod, in the process of transferring the gear, the gear can be adsorbed and fixed through the vacuum chuck, to ensure the stability and safety of the gear placement, avoid the phenomenon of gear deviation in the transfer process, prevent the influence on the determination work, in addition, the device can measure the gear displacement change by using the laser displacement meter, the gear diameter can be accurately measured, so as to detect whether the gear production and processing is qualified, then, when the conveying plate moves to a certain position, the infrared receiver receives the signal emitted by the infrared emitter, the equipment stops, the visual detector can be used to detect whether there is a defect on the surface of the gear, and the detected data is transmitted to the control display screen for processing.

[0004] The above patent has the following disadvantages: since the equipment needs to fix the gear on the conveying plate through the vacuum chuck and convey it to the lower part of the measuring device for determination, but it is difficult to ensure that the gear is placed in the center position on the conveying plate, which is easy to cause the relative deviation of the gear and the horizontal direction of the measuring device, affecting the measurement result, at the same time, when the gear to be determined is large, it is easy to block the infrared emitter, so that the equipment is difficult to accurately stop under the determination device, and it is also easy to cause inaccurate measurement result. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing the profile determination device for the application in gearbox gear processing, to solve the technical problems of inaccurate gear placement positioning, large gear blocking infrared emitter leading to measurement position deviation and inaccurate measurement result.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: The profile measuring device for gear machining of gearbox, including base, fixed mechanism and measuring mechanism, the fixed mechanism includes placement board and range sensor, the top of placement board is equipped with first sliding slot, the bottom of first sliding slot is equipped with guide groove, be provided with guide rod in first sliding slot, the inner support block of guide rod is connected with the sliding block, the bottom of inner support block is connected with connecting rod through pivot, one end of connecting rod is connected with moving block through pivot, the first screw rod of moving block is connected through screw connection, the bottom of first screw rod is provided with first motor.

[0007] By adopting the above technical scheme, the inner support block is connected with the guide rod, stable transmission and positioning are realized, gear movement during measurement can be effectively prevented, and measurement accuracy is ensured.

[0008] Further, the inner support block is uniformly arranged in a circumferential array at three equidistant positions, and the outer side is triangularly arranged.

[0009] By adopting the above technical scheme, the three inner support blocks are uniformly arranged in a circumferential array at three equidistant positions, forming a triangular support structure, which can uniformly disperse and bear the pressure from the gear, ensuring that the placement board remains stable during measurement.

[0010] Further, the bottom of the base is provided with a support column.

[0011] By adopting the above technical scheme, the second motor serves as a power source, providing stable driving force for the entire profile measuring device, and the rotary motion of the output end can be converted into the rotary motion of other components, realizing automation and precise control of the device.

[0012] Further, the second screw rod is connected with a sliding block through screw connection, and the top of the base is provided with a second sliding slot for the sliding block to slide.

[0013] By adopting the above technical scheme, the rotary motion of the second screw rod can be converted into the linear motion of the sliding block, ensuring the accuracy and controllability of the sliding block movement.

[0014] Further, the top of the sliding block is fixedly connected with the placement board, and the range sensor is fixed to the inner wall of the second sliding slot away from the second motor.

[0015] By adopting the above technical scheme, it is ensured that the placement board can move stably along the second sliding slot together with the sliding block, improving the automation degree and accuracy of measurement.

[0016] Further, the measuring mechanism comprises a mounting plate, and the mounting plate is provided with the geometric dimension measuring sensor, the display screen and the profile measuring sensor.

[0017] By adopting the technical scheme, the display screen displays the measurement results of the geometric dimension measuring sensor and the profile measuring sensor in real time, so that an operator can intuitively understand the size and profile information of the gear, and can find and correct problems in the machining process in time, thereby ensuring that the machining quality of the gear meets the requirements.

[0018] Further, the distance measuring sensor is of the IX-360 type, the geometric dimension measuring sensor is of the LJ-S8000 type, and the profile measuring sensor is of the VR-6000 type.

[0019] By adopting the technical scheme, the distance measuring sensor of the IX-360 type has high-precision and high-stability measurement performance, can accurately detect the distance between the slide block and the measuring mechanism, and enables the gear to be accurately stopped below the profile measuring sensor for measurement.

[0020] To sum up, the utility model mainly has the following beneficial effects:

[0021] 1. The utility model discloses a fixing mechanism, second screw rod and sliding block are set up, and the first screw rod set up in the sliding block rotates and drives three inner supporting blocks to slide in the first sliding groove, so that the inner supporting block fixes the gear in the center of the placing plate from the inside of the gear, ensures the stability of the gear in the measurement process, avoids the measurement error caused by the position deviation of the gear at the same time, the motor drives the rotation of the second screw rod, the sliding block slides in the second sliding groove, and the sliding block drives the placing plate to move to the measurement position, ensures that the gear can be accurately stopped below the measurement sensor, and further improves the measurement accuracy.

[0022] 2. The utility model discloses a measuring mechanism, and the geometric dimension measuring sensor in the measuring mechanism is used for measuring the width, height and other size information of the gear, the profile measuring sensor is used for measuring the profile and surface flatness and other information of the gear, and the display screen displays these information, and the various data of the gear are directly shown, so that the operator can measure. DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a partial sectional structure schematic view of the fixing mechanism of the utility model;

[0025] Figure 3 It is a structure schematic view of the measuring mechanism of the utility model;

[0026] Figure 4 This is a schematic diagram of the distance measuring sensor of this utility model;

[0027] Figure 5 This is a cross-sectional structural diagram of the fixing mechanism of this utility model;

[0028] Figure 6 This is a partial cross-sectional planar structural diagram of the present invention.

[0029] In the diagram: 1. Base; 2. Support column; 3. Fixing mechanism; 301. Placement plate; 302. First slide groove; 303. Guide rod; 304. Inner support block; 305. Distance sensor; 306. Guide groove; 307. Connecting rod; 308. Moving block; 309. First lead screw; 310. First motor; 4. Second motor; 5. Second lead screw; 6. Sliding block; 7. Second slide groove; 8. Measuring mechanism; 801. Mounting plate; 802. Geometric dimension measuring sensor; 803. Display screen; 804. Contour measuring sensor. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0031] Example 1:

[0032] Contour measuring devices used in gearbox gear machining, such as Figures 1-6 As shown, the device includes a base 1, a fixing mechanism 3, and a measuring mechanism 8. The fixing mechanism 3 includes a placement plate 301 and a distance sensor 305. The top of the placement plate 301 has a first sliding groove 302, and the bottom of the first sliding groove 302 has a guide groove 306. A guide rod 303 is provided in the first sliding groove 302. An inner support block 304 is slidably connected to the guide rod 303. The bottom of the inner support block 304 is connected to a connecting rod 307 through a rotating shaft. One end of the connecting rod 307 is connected to a moving block 308 through a rotating shaft. The moving block 308 is threadedly connected to a first lead screw 309. A first motor 310 is provided at the bottom of the first lead screw 309. The inner support block 304, by connecting to the guide rod 303, achieves stable transmission and positioning, which can effectively prevent the gear from moving during the measurement process and ensure the accuracy of the measurement. The placement plate 301 is used to place and fix the gearbox gear to be measured, ensuring the stability of the gear's position during the measurement process.

[0033] See Figure 2The three inner supporting blocks 304 are arranged in a circumferential array at equal intervals and uniformly, and the outer side is triangularly arranged. The three inner supporting blocks 304 are arranged in a circumferential array at equal intervals and uniformly, forming a triangular support structure, which can uniformly disperse and bear the pressure from the gear, ensuring that the placement plate 301 remains stable during the measurement process. By adjusting the position and angle of the inner supporting block 304 on the circumference, the device can be used for various types of gearbox gear machining, improving the versatility and practicality of the device.

[0034] Referring to Figure 1 , one side of the base 1 is provided with a second motor 4, and the output end of the second motor 4 is provided with a second screw rod 5. The bottom of the base 1 is provided with a supporting column 2. The second motor 4 serves as a power source, providing stable driving force for the entire profile measuring device. The rotational motion of its output end can be converted into the rotational motion of other components, realizing the automation and precise control of the device. The supporting column 2 serves as the supporting structure of the base 1, improving the stability and load-bearing capacity of the entire profile measuring device, and can resist external forces and vibrations, ensuring the accuracy and reliability of the device during the measurement process.

[0035] Referring to Figure 1 , the second screw rod 5 is threadedly connected with a sliding block 6. The top of the base 1 is provided with a second sliding groove 7 for the sliding block 6 to slide. The rotational motion of the second screw rod 5 can be converted into the linear motion of the sliding block 6, ensuring the accuracy and controllability of the movement of the sliding block 6. The second sliding groove 7 provides a stable sliding track for the sliding block 6, ensuring the linearity and stability of the sliding block 6 during movement, avoiding the deviation or shaking of the sliding block 6 during movement, and improving the accuracy of measurement.

[0036] Referring to Figure 1 , Figure 2 , Figure 4 , the top of the sliding block 6 is fixedly connected with the placement plate 301, and the distance measuring sensor 305 is fixed on the inner wall of the second sliding groove 7 away from the second motor 4, ensuring that the placement plate 301 can move stably along the second sliding groove 7 with the sliding block 6, improving the automation and accuracy of measurement. This fixed position allows the distance measuring sensor 305 to accurately detect the distance between the sliding block 6 and the measuring mechanism 8.

[0037] The implementation principle of the utility model discloses: first, the gear is placed on the placing plate 301, then the first motor 310 drives the first screw rod 309 to rotate, drives the moving block 308 to move upwards along the first screw rod 309, makes the connecting rod 307 expand outward and push three inner supporting blocks 304 to move outward along the first sliding groove 302, fixes the gear in the center of the placing plate from the inside of the gear, then the second motor 4 drives the second screw rod 5 to rotate, makes the sliding block 6 move along the second sliding groove 7, simultaneously, the distance measuring sensor 305 detects the distance from the sliding block 6 in real time, when the distance reaches the predetermined value, makes the external controller control the second motor 4 to stop through the electric signal, makes the placing plate 301 stop moving.

[0038] Example two:

[0039] Referring to Figure 3 , the measuring mechanism 8 includes the mounting plate 801, the mounting plate 801 is provided with the geometric dimension measuring sensor 802, the display screen 803 and the profile measuring sensor 804, the display screen 803 displays the measurement results of the geometric dimension measuring sensor 802 and the profile measuring sensor 804 in real time, facilitating the operator to intuitively understand the size and profile information of the gear, so that the operator can discover and correct the problems in the machining process in time, and ensure that the machining quality of the gear meets the requirements, the mounting plate 801 serves as the basic support structure of the measuring mechanism 8, and provides a stable and reliable mounting platform for the geometric dimension measuring sensor 802, the display screen 803 and the profile measuring sensor 804 and other components.

[0040] Referring to Figure 3 , the model of the distance measuring sensor 305 is IX-360, the model of the geometric dimension measuring sensor 802 is LJ-S8000, and the model of the profile measuring sensor 804 is VR-6000, the distance measuring sensor 305 of the IX-360 model has high-precision and high-stability measurement performance, can accurately detect the distance between the sliding block 6 and the measuring mechanism 8, and make the gear accurately stop below the profile measuring sensor 804 for measurement, the geometric dimension measuring sensor 802 of the LJ-S8000 model has a wide measurement range and high-precision measurement capability, and can accurately measure the width, height and other size information of the gear.

[0041] The implementation principle of the utility model discloses: first, when the placing plate 301 carries the gear passes through the geometric dimension measuring sensor 802, the geometric dimension measuring sensor 802 measures the width, height and other sizes of the gear, and displays on the display screen 803, when the gear stops below the profile measuring sensor 804, the profile measuring sensor 804 measures the gear profile, surface flatness and other information, and displays on the display screen 803.

[0042] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A profile measuring device for use in the machining of gears for a gearbox, characterised in that: The utility model relates to a kind of geometric dimension measuring device, including base (1), fixed mechanism (3) and determination mechanism (8), the fixed mechanism (3) includes placement plate (301) and range sensor (305), the top of the placement plate (301) is equipped with first sliding slot (302), the bottom of the first sliding slot (302) is equipped with guide slot (306), guide rod (303) is arranged in the first sliding slot (302), the guide rod (303) is slidably connected with inner support block (304), the bottom of the inner support block (304) is connected with connecting rod (307) by pivot, one end of the connecting rod (307) is connected with moving block (308) by pivot, the moving block (308) is connected with first screw rod (309) by screw thread, the bottom of the first screw rod (309) is provided with first motor (310).

2. A profile measuring device for use in the machining of gearbox gears according to claim 1, characterized in that: The inner support block (304) is uniformly provided with three in circumferential array equidistant, and the outward side is provided with triangle.

3. The profile measuring device for use in machining of gearbox gears according to claim 1, characterized in that: The base (1) is provided with second motor (4) on one side, the output of second motor (4) is provided with second screw rod (5), the bottom of the base (1) is provided with support column (2).

4. A profile measuring device for use in the machining of gearbox gears according to claim 3, characterized in that: The second screw rod (5) is connected with sliding block (6) by screw thread, the top of the base (1) is equipped with second sliding slot (7) for the sliding of sliding block (6).

5. A profile measuring device for use in the machining of gearbox gears according to claim 4, characterized in that: The top of the sliding block (6) is fixedly connected with the placement plate (301), and the range sensor (305) is fixed on the inner wall of the second sliding slot (7) away from the second motor (4) side.

6. The profile measuring device for use in machining of gears for a gearbox according to claim 1, characterized in that: The determination mechanism (8) includes mounting plate (801), and the mounting plate (801) is provided with geometric dimension measuring sensor (802), display screen (803) and profile measuring sensor (804).

7. A profile measuring device for use in the machining of gearbox gears according to claim 6, characterized in that: The model of the range sensor (305) is IX-360, the model of the geometric dimension measuring sensor (802) is LJ-S8000, and the model of the profile measuring sensor (804) is VR-6000.

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