Inspection machine for detecting compressive strength of gear

Abstract

The utility model discloses an inspection machine for gear compressive strength detection, which comprises a workbench, a self-adaptive positioning shaft is arranged on the workbench, the self-adaptive positioning shaft comprises a central shaft, the upper end of the central shaft is sleeved with a first bevel gear, the first bevel gear is uniformly meshed and connected with four second bevel gears, and the second bevel gears are meshed and connected with the central shaft. The center of each second bevel gear is in threaded connection with a first screw rod, the side, away from the corresponding first bevel gear, of each first screw rod is set as the outer side, the outer side of each first screw rod is fixedly connected with a connecting rubber mat, and the outer side of each connecting rubber mat is fixedly connected with a shaft shell; a second screw rod is fixedly connected to the upper portion of the center shaft, a jacking piece is connected to the second screw rod in a threaded mode, and a pair of trapezoid fixing blocks is arranged on the inner side of each shaft shell. The gear compression strength detection device has the advantages of being high in practicability and capable of automatically adapting to gears with different center hole diameters to conduct compression strength detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear detection technical field, concretely is a kind of checking machine for gear compression strength detection. BACKGROUND

[0002] In the field of modern mechanical manufacturing and quality control, gears as key transmission components have various structural forms and size specifications, especially in the shaft hole diameter, shape and positioning method. In order to accurately evaluate the compression strength and other mechanical properties of the gear, the measured gear is usually installed in a dedicated detection equipment, and fixed in a specific position by a clamp or positioning mechanism to apply test load.

[0003] However, in the prior art, most of the gear compression strength detection equipment generally uses fixed center shaft or single size positioning sleeve to clamp and fix the gear. This design has obvious limitations: one is only suitable for gears with a certain range of center hole size, and when other center hole gears are replaced, the clamp or equipment structure needs to be manually replaced or adjusted, which is complex and inefficient. Therefore, there is an urgent need for a checking machine for gear compression strength detection that can automatically adapt to different center hole diameters to achieve fast, accurate and reliable clamping and centering. SUMMARY

[0004] The utility model aims at providing a checking machine for gear compression strength detection to solve the problems raised in the background.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a checking machine for gear compression strength detection, comprising a workbench, the workbench is provided with an adaptive positioning shaft;

[0006] The adaptive positioning shaft comprises a center shaft, a first bevel gear is sleeved on the upper end of the center shaft, four second bevel gears are uniformly meshed and connected on the first bevel gear, a first screw is threadedly connected in the center of each second bevel gear, the side of the first screw away from the first bevel gear is defined as the outer side, one connecting rubber pad is fixedly connected to the outer side of each first screw, an axle housing is fixedly connected to the outer side of each connecting rubber pad, a second screw is fixedly connected above the center shaft, and a jacking piece is threadedly connected to the second screw;

[0007] A pair of trapezoidal body fixed blocks are arranged on the inner side of each axle housing, a sliding rail is formed on each trapezoidal body fixed block, a plurality of connecting shafts are rotatably connected to the jacking piece, each connecting shaft corresponds to each trapezoidal body fixed block, a roller is rotatably connected to the outer side of each connecting shaft, and each roller is adapted and rotatably connected to each sliding rail.

[0008] According to the technical scheme, the support is further fixedly arranged on the workbench, one side of the upper end of the support is fixedly connected with the upper plate, the upper plate is further provided with the air cylinder, the output end of the air cylinder penetrates through the upper plate and is connected with the connecting piece, the lower end of the connecting piece is fixedly connected with the detection plate, and the display screen is further fixedly arranged on one side of the support on the workbench.

[0009] According to the technical scheme, the lower end of the central shaft is connected with the shaft coupling, the lower end of the shaft coupling is connected with the motor, the outer side of the motor is fixedly connected with the motor sleeve, the motor sleeve is fixedly installed on the bottom plate, and the support side plate is fixedly arranged between the bottom plate and the workbench.

[0010] According to the technical scheme, the outer side of each second bevel gear is provided with a fixed rail, each fixed rail is rotatably connected with a fixed sleeve, the outer side of each fixed sleeve is fixedly connected with a T-shaped connecting frame, the upper end of each T-shaped connecting frame is fixedly connected with the upper cover, and the upper cover is fixed on the workbench.

[0011] According to the technical scheme, the detection plate is provided with the shaft avoiding hole above the self-adaptive positioning shaft.

[0012] According to the technical scheme, the connecting piece comprises a rectangular block connected with the output end of the air cylinder, and cylindrical blocks are fixedly arranged at the two ends of the lower end of the rectangular block, the cylindrical blocks are located outside the shaft avoiding hole and are fixedly connected with the detection plate.

[0013] According to the technical scheme, the workbench is placed with a gear to be detected, and the self-adaptive positioning shaft penetrates through the central hole of the gear to be detected.

[0014] Compared with the prior art, the utility model has the advantages of

[0015] Through the design of the self-adaptive positioning shaft, the automatic adaptation function of different central hole diameter gears is realized. The cooperation of the central shaft, the first bevel gear, the second bevel gear, the first screw rod, the connecting rubber pad and the shaft shell enables the shaft shell to be expanded or contracted according to the central hole diameter of the gear, so that the centering of the gear is quickly and accurately completed.

[0016] Through the cooperation of the jacking piece, the connecting shaft and the roller, the stability of the shaft shell in the radial movement is further ensured, and the accuracy of the centering is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0018] Figure 1 is the overall structure schematic diagram of the utility model;

[0019] Figure 2 is the overall front cross section structure schematic diagram of the utility model;

[0020] Figure 3 is the internal structure schematic diagram of the self-adaptive positioning shaft of the utility model;

[0021] Figure 4 is the overall structure schematic diagram of the self-adaptive positioning shaft of the utility model;

[0022] Figure 5 is the internal structure schematic diagram of the upper cover of the self-adaptive positioning shaft of the utility model;

[0023] Figure 6 is the structure schematic diagram of the second bevel gear fixed part of the utility model;

[0024] In the drawing: 1, workbench;2, self-adaptive positioning shaft;21, central shaft;211, coupling;212, motor;213, motor cover;22, first bevel gear;23, second bevel gear;231, fixed rail;232, fixed sleeve;233, T-shaped connecting frame;24, first screw;241, connecting rubber pad;25, second screw;26, jacking piece;27, connecting shaft;271, roller;28, shaft housing;281, trapezoidal body fixed block;282, sliding rail;29, upper cover;3, support;31, upper plate;4, air cylinder;41, connecting piece;411, rectangular block;412, cylindrical block;5, detection plate;51, shaft avoiding hole;6, display screen;7, bottom plate;8, supporting side plate;9, gear to be detected. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides technical scheme: a gear compression strength detection inspection machine, including, workbench 1, the workbench 1 is provided with self-adaptive positioning shaft 2. The self-adaptive positioning shaft 2 is the core component, is used for automatically adapting the gear of different center hole diameter, and realizes centring.

[0027] As Figure 3As shown, the adaptive positioning shaft 2 includes a central shaft 21. A first bevel gear 22 is sleeved on the upper end of the central shaft 21. Four second bevel gears 23 are uniformly meshed on the first bevel gear 22. A first screw 24 is threadedly connected to the center of each second bevel gear 23. The side of the first screw 24 away from the first bevel gear 22 is defined as the outer side. A connecting rubber pad 241 is fixedly connected to the outer side of each first screw 24. A shaft housing 28 is fixedly connected to the outer side of each connecting rubber pad 241. A second screw 25 is fixedly connected above the central shaft 21. A lifting member 26 is threadedly connected to the second screw 25.

[0028] The central shaft 21 is connected to a power source, which drives the first bevel gear 22 to rotate, thereby causing the second bevel gear 23 to mesh and rotate. Since the second bevel gear 23 is threadedly connected to the first screw 24, as the second bevel gear 23 rotates, the first screw 24, through the connecting rubber pad 241, drives the shaft housing 28 to move horizontally, thus adjusting the diameter of the adaptive positioning shaft 2. This design ensures that the shaft housing 28 can expand or contract according to the diameter of the center hole of different gears, thereby achieving automatic adaptation. The rotation of the central shaft 21 simultaneously drives the second screw 25 to rotate. Since the second screw 25 is threadedly connected to the lifting member 26, the rotation of the second screw 25 causes the lifting member 26 to move up and down.

[0029] like Figure 3 As shown, each of the shaft housings 28 has a pair of trapezoidal fixing blocks 281 on its inner side, and each trapezoidal fixing block 281 has a sliding rail 282. The lifting member 26 is rotatably connected to a plurality of connecting shafts 27, each connecting shaft 27 corresponding to each trapezoidal fixing block 281. Each connecting shaft 27 is rotatably connected to a roller 271 on its outer side, and each roller 271 is adapted to and rotatably engaged with each sliding rail 282.

[0030] As the lifting member 26 moves up and down, the roller 271 rolls within the sliding rail 282 via the connecting shaft 27. Since the larger end of the trapezoidal fixing block 281 faces upward, when the lifting member 26 moves upward, the roller 271 rolls upward within the sliding rail 282. The connecting shaft 27 pushes the edge of the shaft housing 28 outward through the trapezoidal fixing block 281 to accommodate the outward movement of the shaft housing 28. This mechanism ensures that the shaft housing 28 maintains stable centering during radial movement. Simultaneously, the design of the first screw 24 and the second screw 25 must satisfy the requirement that the shaft housing 28 body and its edge move in the same direction to accommodate gears with different bore diameters, achieving precise centering.

[0031] As Figure 1 The bracket 3 is fixed on the workbench 1, the upper end of the bracket 3 is fixedly connected with the upper plate 31, the upper plate 31 is further provided with the air cylinder 4, the output end of the air cylinder 4 penetrates through the upper plate 31 and is connected with the connecting piece 41, the lower end of the connecting piece 41 is fixedly connected with the detection plate 5, and the display screen 6 is further fixed on one side of the bracket 3 on the workbench 1. In the working process, the air cylinder 4 serves as a power source, the output end of the air cylinder 4 drives the detection plate 5 to move up and down through the connecting piece 41, so that pressure is applied to the gear, and the compression strength is detected. The display screen 6 is used for displaying the data in the detection process and the final detection result in real time, so that the operator can observe and record conveniently.

[0032] As Figure 2 The lower end of the central shaft 21 is connected with the shaft coupling 211, the lower end of the shaft coupling 211 is connected with the motor 212, the outer side of the motor 212 is fixedly connected with the motor sleeve 213, the motor sleeve 213 is fixedly installed on the bottom plate 7, and the support side plate 8 is fixedly arranged between the bottom plate 7 and the workbench 1. The motor 212 serves as a power source for driving the central shaft 21 to rotate.

[0033] As Figures 4 to 6 The outer side of each second bevel gear 23 is provided with a fixed rail 231, each fixed rail 231 is rotatably connected with a fixed sleeve 232, the outer side of each fixed sleeve 232 is fixedly connected with a T-shaped connecting frame 233, the upper end of each T-shaped connecting frame 233 is fixedly connected with the upper cover 29, and the upper cover 29 is fixed on the workbench 1. The upper cover 29 can be fixed with the workbench 1 through an additional connecting part, the second bevel gear 23 is stably positioned and can realize meshing rotation through the connection of the T-shaped connecting frame 233 and the fixed sleeve 232, and the stability of the second bevel gear 23 in the transmission process is ensured.

[0034] As Figure 1 The detection plate 5 is provided with an axis avoiding hole 51 above the self-adaptive positioning shaft 2. The axis avoiding hole 51 interferes with the self-adaptive positioning shaft 2 when the detection plate 5 is working.

[0035] As Figure 1 The connecting piece 41 comprises a rectangular block 411 connected with the output end of the air cylinder 4, the lower end of the rectangular block 411 is fixedly provided with a cylindrical block 412, and the cylindrical block 412 is located outside the axis avoiding hole 51 and is fixedly connected with the detection plate 5.

[0036] As Figure 1As shown, the workbench 1 is placed with the gear 9 to be detected, and the adaptive positioning shaft 2 passes through the center hole of the gear 9 to be detected.

[0037] Working principle: first, in the initial state, the shaft shell 28 is in the fully retracted state, and the jacking piece 26 is located at the lower section of the second screw 25. The gear 9 to be detected is placed on the workbench 1, and the adaptive positioning shaft 2 passes through the center hole of the gear 9 to be detected.

[0038] The central shaft 21 is driven to rotate by the motor 212, thereby driving the first bevel gear 22 and the four second bevel gears 23 to mesh and rotate. With the rotation of the second bevel gear 23, the first screw 24 connected with the second bevel gear 23 is driven by the connecting rubber pad 241 to move the shaft shell 28 outward. The shaft shell 28 expands or shrinks according to the diameter of the center hole of the gear 9 to be detected, so as to realize automatic adaptation.

[0039] At the same time, the jacking piece 26 moves up and down, and the connecting shaft 27 and the roller 271 roll in the sliding rail 282 to push the edge of the shaft shell 28 outward, so that the shaft shell 28 can keep stable centering when moving in the radial direction.

[0040] Then, the cylinder 4 serves as a power source, and the output end of the cylinder 4 drives the detection plate 5 to move up and down through the connecting piece 41. The detection plate 5 exerts pressure on the gear 9 to be detected during the movement, so as to detect the compression strength. The display screen 6 displays the data in the detection process and the final detection result in real time.

[0041] Through the cooperation of the above-mentioned components, the gear compression strength detection inspection machine can realize automatic adaptation, accurate centering and compression strength detection of gears with different center hole diameters, and can display the detection result in real time, thereby providing an effective means for quality control and performance evaluation of gears.

[0042] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the utility model, and do not indicate or imply that the devices or elements referred to must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A gear compressive strength testing machine, comprising a worktable (1), characterized in that: The worktable (1) is provided with an adaptive positioning axis (2); The adaptive positioning shaft (2) includes a central shaft (21), with a first bevel gear (22) sleeved on the upper end of the central shaft (21). Four second bevel gears (23) are evenly meshed on the first bevel gear (22). A first screw (24) is threadedly connected to the center of each second bevel gear (23). The side of the first screw (24) away from the first bevel gear (22) is set as the outer side. A connecting rubber pad (241) is fixedly connected to the outer side of each first screw (24). A shaft housing (28) is fixedly connected to the outer side of each connecting rubber pad (241). A second screw (25) is fixedly connected above the central shaft (21). A lifting member (26) is threadedly connected to the second screw (25). Each of the shaft housings (28) has a pair of trapezoidal fixing blocks (281) on its inner side. Each trapezoidal fixing block (281) has a sliding rail (282) on it. The lifting member (26) is rotatably connected to a number of connecting shafts (27). Each connecting shaft (27) corresponds to each trapezoidal fixing block (281). Each connecting shaft (27) is rotatably connected to a roller (271) on its outer side. Each roller (271) is adapted to and rotatably cooperates with each sliding rail (282).

2. The gear compressive strength testing machine according to claim 1, characterized in that: A bracket (3) is also fixedly installed on the workbench (1). An upper plate (31) is fixedly connected to one side of the upper end of the bracket (3). A cylinder (4) is also installed on the upper plate (31). The output end of the cylinder (4) passes through the upper plate (31) and is connected to a connector (41). A detection plate (5) is fixedly connected below the connector (41). A display screen (6) is also fixedly installed on one side of the bracket (3) on the workbench (1).

3. The gear compressive strength testing machine according to claim 2, characterized in that: The lower end of the central shaft (21) is connected to a coupling (211), and a motor (212) is connected below the coupling (211). A motor sleeve (213) is fixedly connected to the outside of the motor (212). The motor sleeve (213) is fixedly installed on the base plate (7). A support side plate (8) is fixedly provided between the base plate (7) and the worktable (1).

4. The gear compressive strength testing machine according to claim 3, characterized in that: Each of the second bevel gears (23) has a fixed rail (231) on its outer side, and a fixed sleeve (232) is rotatably fitted inside each fixed rail (231). A T-shaped connecting frame (233) is fixedly connected to the outer side of each fixed sleeve (232). The upper end of each T-shaped connecting frame (233) is fixedly connected to the upper cover (29), and the upper cover (29) is fixed on the workbench (1).

5. The gear compressive strength testing machine according to claim 4, characterized in that: The detection plate (5) has a shaft clearance hole (51) located directly above the adaptive positioning shaft (2).

6. The gear compressive strength testing machine according to claim 5, characterized in that: The connector (41) includes a rectangular block (411) connected to the output end of the cylinder (4). Both ends of the rectangular block (411) are fixedly provided with columnar blocks (412). The columnar blocks (412) are located outside the shaft clearance hole (51) and are fixedly connected to the detection plate (5).

7. The gear compressive strength testing machine according to claim 6, characterized in that: The worktable (1) has a gear (9) to be tested placed on it, and the adaptive positioning shaft (2) passes through the center hole of the gear (9) to be tested.

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