Gear thickness detection tool

Abstract

The utility model provides a gear thickness detection tool which comprises a placing platform, a first fixing plate, a vertical fixing plate, a sliding clamping assembly and a lead screw fixing assembly, a detected gear is horizontally placed on a second groove plate of the sliding clamping assembly, and four platform supporting legs are arranged at the bottom of the placing platform. A sliding clamping assembly is installed on a vertical fixing plate fixed to the side face of the placing platform through bolts, the sliding clamping assembly clamps a tested gear, a lead screw fixing base of a lead screw fixing assembly is fixed to a first fixing plate at the top of the sliding clamping assembly, and a pressing block in the sliding clamping assembly right faces a penetrating notch in the middle of a second groove plate. The sliding clamping assembly is connected with a lead screw of the lead screw fixing assembly. According to the gear thickness detection tool, gear thickness detection can be rapidly carried out on the whole, one detection tool can detect go and stop at the same time, and the detection efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, and in particular relates to a tooling for detecting gear thickness. Background Technology

[0002] Gear thickness inspection fixture is a tool specifically designed to measure gear thickness, ensuring dimensional accuracy and consistency of gears during manufacturing and use.

[0003] Currently, commonly used contact measurement methods (such as tooth thickness caliper measurement) are easily affected by factors such as the measurer's technique and inconsistent measurement references, resulting in large measurement errors. Furthermore, traditional measurement methods require multiple disassembly and assembly of gears, affecting machining accuracy and are complex to operate. Utility Model Content

[0004] In view of this, the present invention aims to propose a gear thickness detection fixture to solve the problems that commonly used contact measurement (such as gear thickness caliper measurement) is easily affected by factors such as the measurer's technique and inconsistent measurement reference, resulting in large measurement errors. In addition, traditional measurement methods require multiple disassembly and assembly of gears, which affects the machining accuracy and are complicated to operate.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] This utility model provides a gear thickness detection fixture, including a placement platform, a first fixed plate, a vertical fixed plate, a sliding clamping assembly, and a lead screw fixing assembly. The gear to be measured is horizontally placed on the second groove plate of the sliding clamping assembly. The placement platform has four platform legs at its bottom. The sliding clamping assembly is installed on the vertical fixed plate fixed to the side of the placement platform by bolts. The sliding clamping assembly clamps the gear to be measured. The lead screw fixing seat of the lead screw fixing assembly is fixed on the first fixed plate at the top of the sliding clamping assembly. The clamping block in the sliding clamping assembly is directly opposite the through slot in the middle of the second groove plate. The sliding clamping assembly is connected to the lead screw of the lead screw fixing assembly.

[0007] Furthermore, the sliding clamping assembly includes a first groove plate, a first slide rail mounting plate, a second slide rail mounting base, a second slide rail, the first slide rail, the second groove plate, and a clamping block. The second slide rail mounting base is T-shaped and has mounting grooves symmetrically arranged on its left and right sides. The second slide rail is fixed in the mounting groove of the second slide rail mounting base. The second slide rail mounting base is slidably fixed in the groove of the first fixing plate. The second slide rail and the first slide rail are in sliding contact. The first slide rail is symmetrically locked to the first slide rail mounting plate with respect to the center line of the second slide rail mounting base. The first slide rail mounting plate is locked to the vertical fixing plate. The first groove plate is locked to the vertical protrusion of the second slide rail mounting base. The clamping block is locked to the first groove plate. The second groove plate is locked to the upper surface of the placement platform, and its upper part is embedded in the gap of the lower part of the first slide rail.

[0008] Furthermore, a rectangular slot is provided on the first fixing plate. There is a certain gap between the left side of the rectangular slot and the second slide rail mounting seat, and a certain gap between the right side of the rectangular slot and the first slot plate. The length of the first slot plate is greater than the length of the second slide rail mounting seat.

[0009] Furthermore, the second groove plate is provided with two stepped planes, namely a first stepped plane and a second stepped plane. The thickness of the first stepped plane is greater than the thickness of the second stepped plane. The first stepped plane is the thickness stop end of the gear, and the second stepped plane is the thickness through end.

[0010] Furthermore, the lower end face of the clamping block presses against the upper surface of the gear being tested.

[0011] Furthermore, the second slide rail mounting base is connected to the lead screw of the lead screw fixing assembly via a round nut. The upper part of the lead screw of the lead screw fixing assembly is connected to the first fixing plate via a lead screw fixing seat, and the lower part of the lead screw of the lead screw fixing assembly is connected to the placement platform via a lead screw fixing seat inside the air chamber.

[0012] Furthermore, the platform legs are covered with rubber, and the cross-section of the platform legs is an inverted trapezoid.

[0013] Compared with the prior art, the gear thickness detection fixture of this utility model has the following advantages:

[0014] In this utility model, the clamping block of the sliding clamping assembly is aligned with the through slot in the middle of the second groove plate to facilitate the measurement of gears of different thicknesses. The workpiece is clamped by the sliding clamping assembly, and then the clamping block is directly inserted into the second groove plate. After insertion, it can be leveled using standard gauge blocks, the lead screw is tightened, and the horizontal and height positions are adjusted before use. The second groove plate is simultaneously machined with thickness measurement dimensions for both the through and non-through ends. The entire gear thickness measurement fixture can quickly perform gear thickness measurement, enabling simultaneous measurement of through and non-through ends with a single fixture, improving measurement efficiency and reducing measurement time by half. Attached Figure Description

[0015] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0016] In the attached diagram:

[0017] Figure 1 This is a side view of the gear thickness detection fixture described in an embodiment of the present invention;

[0018] Figure 2 This is a partial schematic diagram of the axle side view of the gear thickness detection fixture described in this embodiment of the present invention;

[0019] Figure 3 This is a front view schematic diagram of the gear thickness detection fixture described in an embodiment of this utility model;

[0020] Figure 4 This is a side view of the gear thickness detection fixture described in an embodiment of the present invention.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Lead screw; 2. First groove plate; 3. First fixing plate; 4. Vertical fixing plate; 5. First slide rail mounting plate; 6. Placement platform; 7. Platform support leg; 8. Second slide rail mounting seat; 9. Second slide rail; 10. First slide rail; 11. Second groove plate; 12. Clamping block. Detailed Implementation

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] See Figures 1-4 As shown, this embodiment provides a gear thickness detection fixture, including a placement platform 6, a first fixing plate 3, a vertical fixing plate 4, a sliding clamping assembly, and a lead screw fixing assembly. The gear to be tested is horizontally placed on the second groove plate 11 of the sliding clamping assembly. The placement platform 6 has four platform legs 7 at its bottom. The vertical fixing plate 4, which is fixed to the side of the placement platform 6, is bolted to the sliding clamping assembly, which clamps the gear to be tested. The lead screw fixing seat of the lead screw fixing assembly is fixed on the first fixing plate 3 at the top of the sliding clamping assembly. The clamping block 12 in the sliding clamping assembly is directly opposite the through slot in the middle of the second groove plate 11. The sliding clamping assembly is connected to the lead screw 1 of the lead screw fixing assembly.

[0028] Specifically, in this embodiment, the sliding clamping assembly includes a first groove plate 2, a first slide rail mounting plate 5, a second slide rail mounting base 8, a second slide rail 9, a first slide rail 10, a second groove plate 11, and a clamping block 12. The second slide rail mounting base 8 is T-shaped and has mounting grooves symmetrically arranged on its left and right sides. The second slide rail 9 is fixed in the mounting groove of the second slide rail mounting base 8. The second slide rail mounting base 8 is slidably fixed in the groove of the first fixing plate 3. The second slide rail 9 and the first slide rail 10 are in sliding contact. The first slide rail 10 is symmetrically locked to the first slide rail mounting plate 5 with the center line of the second slide rail mounting base 8. The first slide rail mounting plate 5 is locked to the vertical fixing plate 4. The first groove plate 2 is locked to the vertical protrusion of the second slide rail mounting base 8. The clamping block 12 is locked on the first groove plate 2. The second groove plate 11 is locked to the upper surface of the placement platform 6, and its upper part is embedded in the gap at the lower part of the first slide rail 10.

[0029] Specifically, in this embodiment, a rectangular slot is provided on the first fixing plate 3. There is a certain gap between the left side of the rectangular slot and the second slide rail mounting seat 8, and a certain gap between the right side of the rectangular slot and the first slot plate 2. The length of the first slot plate 2 is greater than the length of the second slide rail mounting seat 8.

[0030] Specifically, in this embodiment, the second groove plate 11 is provided with two stepped planes, namely the first stepped plane and the second stepped plane. The thickness of the first stepped plane is greater than the thickness of the second stepped plane. The first stepped plane is the thickness stop end of the gear, and the second stepped plane is the thickness through end.

[0031] Specifically, in this embodiment, the lower end face of the clamping block 12 is pressed against the upper surface of the gear being tested.

[0032] Specifically, in this embodiment, the second slide rail mounting base 8 is connected to the lead screw 1 of the lead screw fixing assembly through a round nut, the upper part of the lead screw 1 of the lead screw fixing assembly is connected to the first fixing plate 3 through a lead screw fixing seat, and the lower part of the lead screw 1 of the lead screw fixing assembly is connected to the placement platform 6 through a lead screw fixing seat inside the air.

[0033] Specifically, in this embodiment, the surface of the platform leg 7 is covered with rubber, and the cross-section of the platform leg 7 is an inverted trapezoid.

[0034] Screw drives are characterized by high precision, enabling accurate control of the sliding clamping assembly's movement to achieve precise clamping and positioning of the gear being measured. The use of screw drives in gear thickness inspection fixtures is crucial for gear measurement and machining, effectively improving measurement accuracy and repeatability. It achieves low-friction inspection transmission while enhancing the stability of the sliding clamping assembly, thus significantly improving the measurement or machining quality and efficiency of the gear being measured.

[0035] The clamping block in the sliding clamping assembly is aligned with the through slot in the middle of the second slot plate to facilitate the measurement of gears of different thicknesses. The workpiece is clamped by the sliding clamping assembly, and then the clamping block is directly inserted into the second slot plate. After insertion, it can be leveled using standard gauge blocks. Tighten the lead screw and adjust the horizontal and height positions before use. The second slot plate is simultaneously machined with thickness measurement dimensions for both the through and non-through ends. The entire gear thickness measurement fixture can quickly perform gear thickness measurement, enabling simultaneous measurement of through and non-through ends with a single fixture, improving measurement efficiency and reducing measurement time by half.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gear thickness detection fixture, characterized in that, The device includes a placement platform (6), a first fixing plate (3), a vertical fixing plate (4), a sliding clamping assembly, and a lead screw fixing assembly. The gear to be tested is placed horizontally on the second groove plate (11) of the sliding clamping assembly. The placement platform (6) has four platform legs (7) at its bottom. The vertical fixing plate (4) fixed on the side of the placement platform (6) is bolted to the sliding clamping assembly. The sliding clamping assembly clamps the gear to be tested. The lead screw fixing seat of the lead screw fixing assembly is fixed on the first fixing plate (3) at the top of the sliding clamping assembly. The clamping block (12) in the sliding clamping assembly is directly opposite the through slot in the middle of the second groove plate (11). The sliding clamping assembly is connected to the lead screw (1) of the lead screw fixing assembly.

2. The gear thickness detection fixture according to claim 1, characterized in that, The sliding clamping assembly includes a first groove plate (2), a first slide rail mounting plate (5), a second slide rail mounting base (8), a second slide rail (9), a first slide rail (10), a second groove plate (11), and a clamping block (12). The second slide rail mounting base (8) is T-shaped and has mounting grooves symmetrically arranged on its left and right sides. The second slide rail (9) is fixed in the mounting groove of the second slide rail mounting base (8). The second slide rail mounting base (8) is slidably fixed in the groove of the first fixing plate (3). The second slide rail (9) and the first slide rail (10) are clamped together. The rails (10) slide in contact with each other. The first slide rail (10) is symmetrically locked to the first slide rail mounting plate (5) with the center line of the second slide rail mounting base (8). The first slide rail mounting plate (5) is locked to the vertical fixing plate (4). The first groove plate (2) is locked to the vertical protrusion of the second slide rail mounting base (8). The first groove plate (2) is locked with the clamping block (12). The second groove plate (11) is locked to the upper surface of the placement platform (6) and the upper part is embedded in the gap of the lower part of the first slide rail (10).

3. The gear thickness detection fixture according to claim 2, characterized in that, The first fixing plate (3) has a rectangular slot. There is a certain gap between the left side of the rectangular slot and the second slide rail mounting base (8), and a certain gap between the right side of the rectangular slot and the first slot plate (2). The length of the first slot plate (2) is greater than the length of the second slide rail mounting base (8).

4. The gear thickness detection fixture according to claim 1, characterized in that, The second groove plate (11) has two stepped planes, namely the first stepped plane and the second stepped plane. The thickness of the first stepped plane is greater than the thickness of the second stepped plane. The first stepped plane is the gear thickness stop end, and the second stepped plane is the thickness through end.

5. The gear thickness detection fixture according to claim 4, characterized in that, The lower end face of the clamping block (12) is pressed against the upper surface of the gear being tested.

6. The gear thickness detection fixture according to claim 1, characterized in that, The second slide rail mounting base (8) is connected to the lead screw (1) of the lead screw fixing assembly through a round nut. The upper part of the lead screw (1) of the lead screw fixing assembly is connected to the first fixing plate (3) through a lead screw fixing seat. The lower part of the lead screw (1) of the lead screw fixing assembly is connected to the placement platform (6) through a lead screw fixing seat inside the air.

7. The gear thickness detection fixture according to claim 1, characterized in that, The platform leg (7) is covered with rubber, and the cross section of the platform leg (7) is an inverted trapezoid.

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