CN113138078A - Spline shaft detection device - Google Patents
Spline shaft detection device Download PDFInfo
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- CN113138078A CN113138078A CN202110518322.5A CN202110518322A CN113138078A CN 113138078 A CN113138078 A CN 113138078A CN 202110518322 A CN202110518322 A CN 202110518322A CN 113138078 A CN113138078 A CN 113138078A
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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Abstract
A spline shaft detection device comprises a detection plate arranged at the lower part and a positioning assembly arranged at the upper part, wherein the detection plate and the positioning assembly are relatively and fixedly arranged; the detection plate is provided with at least one detection assembly, the detection assembly comprises a base, a plurality of lower concave cavities which are regularly arranged are arranged on the base, and convex pressure sensors are arranged on the side walls and/or the bottom surface of the lower concave cavities; the pressure sensor is connected with a processing center through signals; the detection assembly further comprises a detection tooth block, the lower part of the detection tooth block is provided with a positioning seat, and the positioning seat is placed in the lower concave cavity and is in contact with the surface of the pressure sensor; the upper part of the detection tooth block is provided with a detection tooth protruding upwards; the positioning assembly is provided with a moving assembly capable of moving along a preset path, the moving assembly is provided with a positioning block, and the positioning block is provided with a positioning cavity arranged downwards. Integral key shaft detection device in this application, overall structure is simple, convenient operation, and it is high to detect the precision.
Description
Technical Field
The invention belongs to the field of transmission part detection devices, and particularly relates to a spline shaft detection device.
Background
Gear shaft type parts, such as spline shafts, are very common mechanical transmission parts and are commonly used in transmission structures for transmitting torque. The spline shaft generally comprises a rod part and a tooth part, wherein the tooth part is provided with a rack and is used for being meshed with a gear structure for transmission; the tooth part is arranged on two sides of the spline shaft and can also be arranged on one side.
The spline shaft used in the precision transmission structure has high precision requirement, so the specification of the spline shaft needs to be detected in the production process, such as: and (3) detecting the width, the rod span distance, the radial run-out and the like of the rack, and then sorting the parts according to the detection result, such as dividing the parts into qualified products, products needing further processing, scrapped products and the like. In the prior art, equipment capable of rapidly detecting the upper rack of the spline shaft is also lacked, the participation degree of workers in actual detection operation is high, the detection efficiency is low, and detection errors are easily generated due to the difference of different workers in operation methods. Some detection devices are complex in structure and high in cost.
Therefore, in order to solve some problems existing in the prior art, the applicant designs a spline shaft detection device which can conveniently and quickly detect the accuracy of the rack on the spline shaft.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the spline shaft detection device which is convenient to operate, simple in structure, low in cost, capable of conveniently and quickly detecting the rack precision on the spline shaft and capable of improving the detection efficiency.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
A spline shaft detection device comprises a detection plate arranged at the lower part and a positioning assembly arranged at the upper part, wherein the detection plate and the positioning assembly are relatively and fixedly arranged; the detection plate is provided with at least one detection assembly, the detection assembly comprises a base, a plurality of lower concave cavities which are regularly arranged are arranged on the base, and convex pressure sensors are arranged on the side walls and/or the bottom surface of the lower concave cavities; the pressure sensor is connected with a processing center through signals; the detection assembly further comprises a detection tooth block, the lower part of the detection tooth block is provided with a positioning seat, and the positioning seat is placed in the lower concave cavity and is in contact with the surface of the pressure sensor; the upper part of the detection tooth block is provided with a detection tooth protruding upwards; the positioning assembly is provided with a moving assembly capable of moving along a preset path, the moving assembly is provided with a positioning block, and the positioning block is provided with a positioning cavity arranged downwards.
Integral key shaft detection device in this application, during the detection, place the standard spline shaft on the pick-up plate earlier, make the rack toothing card of integral key shaft in detecting the tooth on the tooth piece, on the intermediate position of integral key shaft was arranged in to the locating piece simultaneously, the location chamber just laminated the cladding on the polished rod portion of integral key shaft. The external force drives the moving assembly to move, the standard spline shaft is driven to roll on the plurality of detection tooth blocks, the racks on the standard spline shaft are constantly meshed with the detection teeth, and the standard spline shaft rolls from one end to the other end for at least one circle. In the meshing process, each detection tooth block slightly moves, is pressed down and the like, so that the corresponding pressure sensor is pressed to generate a signal, and the signal is recorded in the processing center as a standard signal. And then, placing the spline shaft to be detected on the detection plate, repeating the same operation, comparing the generated pressure signal with the standard signal, if the difference value is within a set range, determining that the spline shaft is qualified, otherwise, if the pressure signal exceeds the set range, determining that the spline shaft is unqualified.
In a preferred embodiment, one side or two sides of the base are externally provided with positioning teeth, and the positioning teeth are fixed and used for placing the spline shaft so that the spline shaft can be just meshed when rolling onto the detection tooth block.
In a preferred embodiment, an elastic member, which may be a spring, is disposed between the positioning seat and the side wall and the bottom surface of the lower cavity, for providing an elastic restoring force.
In a preferred embodiment, each detection tooth block is provided with 3-5 detection teeth, so that the detection precision is high.
In a preferred embodiment, a gap is reserved between adjacent detection tooth blocks, so that the detection tooth blocks can move slightly; and the intervals of the detection teeth on the detection tooth blocks are equal, so that the meshing effect of the spline shaft in the rolling process is good.
In a preferred embodiment, two symmetrically arranged detection assemblies are arranged on the detection plate and are suitable for detecting the spline shaft with the racks at two ends; or: the detection plate is provided with a detection assembly and a flat plate assembly and is suitable for detecting the spline shaft with the rack at one end.
In a preferred embodiment, the detection board is provided with an indicator light, and the indicator light is turned on according to an instruction of the processing center, such as: the light with different colors can be lightened according to the qualification and the disqualification for indicating.
In a preferred embodiment, mounting plates are arranged on two sides of the detection plate, and the positioning assembly is assembled on the mounting plates through mounting side plates on the positioning assembly, wherein the assembly mode can be bolt assembly, and the disassembly is convenient.
In a preferred embodiment, a vertically-through moving area is arranged on the positioning component, the moving component moves in the moving area, and the moving component and the side wall of the moving area are assembled through a sliding block/sliding groove structure to realize movement, so that the stability during movement is ensured, and the detection precision is ensured.
In a preferred embodiment, two sides of the moving assembly are provided with protruding sliding blocks, the side wall of the moving area is provided with a sliding groove, and the sliding blocks are arranged in the sliding groove to realize stable directional movement.
In a preferred embodiment, two ends of the sliding groove extend upwards to form a lifting groove, and after the moving assembly moves into the lifting groove and just corresponds to the position of the positioning teeth, the moving assembly is lifted up and separated from the spline shaft, so that the spline shaft can be conveniently put in and taken out.
In a preferred embodiment, the two sides of the moving component are provided with convex side balls, and the side balls are abutted against the outer side wall when the moving component moves, so that the resistance is reduced.
In a preferred embodiment, the moving assembly is provided with two positioning blocks, the positioning cavity is an arc-shaped cavity, and the side wall of the arc-shaped cavity is provided with balls, so that rolling contact between the positioning cavity and the spline shaft is guaranteed, resistance is small, and detection precision is high.
Compared with the prior art, the invention has the following beneficial effects: the utility model provides a spline axle detection device, has changed the complicated complex operation's of structure detection device in the past, overall structure is simple, convenient operation, and it is high to detect the precision.
Drawings
Fig. 1 is a perspective view of a spline shaft detecting device in the present application.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a side view of the spline shaft detecting device in the present application.
Fig. 4 is a plan view of the spline shaft detecting device in the present application.
Fig. 5 is a perspective view of the detection plate in the present application.
Fig. 6 is an enlarged view of the region C in fig. 5.
Fig. 7 is a perspective view of a detection plate in the present application, with two detection tooth blocks omitted.
Fig. 8 is an enlarged view of the area D in fig. 7.
Fig. 9 is a perspective view of the detection tooth block in the present application.
Fig. 10 is a top view of the detection plate in the present application.
Fig. 11 is a side view of a sensing plate in the present application.
Fig. 12 is a sectional view taken along the direction C-C in fig. 10.
Fig. 13 is an enlarged view of region F in fig. 10.
Fig. 14 is an enlarged view of region E in fig. 12.
Fig. 15 is a perspective view of a detection plate in another embodiment of the present application.
FIG. 16 is a top view of a positioning assembly of the present application.
Fig. 17 is a sectional view taken along the line a-a in fig. 16.
Fig. 18 is a sectional view taken along the line B-B in fig. 16.
Fig. 19 is a perspective view of a moving assembly in the present application.
FIG. 20 is a schematic view of a splined shaft.
FIG. 21 is a schematic view of another spline shaft.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiments described below by referring to the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, are exemplary only for explaining the present invention, and are not construed as limiting the present invention.
In describing the present invention, it is to be understood that the terms: the terms center, longitudinal, lateral, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, and thus, should not be construed as limiting the present invention. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In describing the present invention, unless otherwise expressly specified or limited, the terms: mounting, connecting, etc. are to be understood broadly and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.
Referring to fig. 1 to 21, the spline shaft detecting device according to the present application includes a detecting plate 1 disposed at a lower portion and a positioning assembly 3 disposed at an upper portion, wherein the detecting plate 1 and the positioning assembly 3 are relatively fixedly disposed; the detection plate 1 is provided with at least one detection assembly, the detection assembly comprises a base 16, a plurality of concave cavities 163 which are regularly arranged are arranged on the base 16, and convex pressure sensors 164 are arranged on the side walls and/or the bottom surface of the concave cavities 163; the pressure sensor 164 is signal connected to a processing center; the detection assembly further comprises a detection tooth block 1611, a positioning seat 1612 is arranged at the lower part of the detection tooth block 1611, the positioning seat 1612 is arranged in the lower concave cavity 163 and is in contact with the surface of the pressure sensor 164, and an elastic element 1613 which can be a spring is arranged between the positioning seat 1612 and the side wall and the bottom surface of the lower concave cavity 163 and can be used for providing elastic reset force; the upper part of the detection tooth block 1611 is provided with a detection tooth 161 protruding upwards; the positioning assembly 3 is provided with a moving assembly 4 capable of moving along a predetermined path, the moving assembly 4 is provided with a positioning block 43, and the positioning block 43 is provided with a positioning cavity 431 arranged downwards.
In the embodiment of the present application, a positioning tooth 162 is provided outside one side or both sides of the base 16, and the positioning tooth 162 is fixed for placing the spline shaft so that the spline shaft can be just engaged when rolling onto the detection tooth block 1611.
In the embodiment of the application, each detection tooth block 1611 is provided with 3-5 detection teeth 161, so that the detection precision is high. A gap is reserved between the adjacent detection tooth blocks 1611, so that the detection tooth blocks 1611 can move slightly conveniently; and the spacing of the detection teeth 161 on the plurality of detection tooth blocks 1611 is equal, so that good meshing effect in the rolling process of the spline shaft is ensured. In this application, be equipped with pilot lamp 15 on the pick-up plate 1, pilot lamp 15 instructs the light according to the instruction of processing center, if: the light with different colors can be lightened according to the qualification and the disqualification for indicating.
In the embodiment of this application, the both sides of pick-up plate 1 are equipped with mounting panel 2, locating component 3 assembles through the installation curb plate 31 thereon on the mounting panel 2, and the assembly mode can be for the bolt assembly, convenient dismantlement.
Specifically, a vertically-through moving area 30 is arranged on the positioning component 3, the moving component 4 moves in the moving area 30, and the moving component 4 and the side wall 32 of the moving area 30 are assembled through a sliding block/sliding groove structure to realize moving, so that the stability during moving is ensured, and the detection precision is ensured. Such as: the two sides of the moving component 4 are provided with convex sliding blocks 411, the side wall of the moving area 30 is provided with a sliding groove 34, and the sliding blocks 411 are arranged in the sliding groove 34 to realize stable directional movement. In addition, two sides of the moving component 4 are provided with convex side balls 412, and the side balls 412 are abutted against the outer side wall when the moving component 4 moves, so that the resistance is reduced
In addition, in the present application, two ends of the sliding groove 341 extend upward to form a lifting groove 341, and after the moving assembly 4 moves into the lifting groove 341, the position of the moving assembly 4 just corresponds to the position of the positioning teeth 162, and the moving assembly 4 is lifted up and separated from the spline shaft, so that the spline shaft can be conveniently put in and taken out.
At one end of the positioning assembly 3 is a removable mounting plate 33 from which the movable assembly 4 can be removed. In this application, be equipped with two locating pieces 43 on the removal subassembly 4, location chamber 431 is the arc chamber, and is equipped with ball 432 on the lateral wall in this arc chamber, guarantees and is rolling contact between the integral key shaft, and the resistance is little, detects the precision height.
In an embodiment of the present application, two symmetrically arranged detection assemblies are disposed on the detection plate 1, and are suitable for detecting a spline shaft with racks at two ends, such as the spline shaft 9 shown in fig. 20, where the two ends of the spline shaft 9 are both provided with racks 91.
In another embodiment of the present application, a detection plate 1 is provided with a detection assembly and a flat plate assembly 18, and is suitable for detecting a spline shaft with a rack at one end, such as spline shaft 9 in fig. 21, where one end of spline shaft 9 is provided with rack 91, and the other end is a polish rod portion 92, and polish rod portion 92 rolls on flat plate assembly 18.
Spline shaft detection device in this application, during the detection, place the standard spline shaft on the pick-up plate earlier, make the epaxial rack toothing card of integral key in detecting the detection tooth 161 on the tooth piece 1611, on the intermediate position of integral key shaft was arranged in to locating piece 43 simultaneously, location chamber 431 just laminated the cladding on the smooth rod portion of spline shaft. The external force drives the moving assembly 4 to move (the pushing block 42 can be pushed by hand to move), so as to drive the spline shaft to roll on the detecting tooth blocks 1611, the rack on the spline shaft is continuously meshed with the detecting teeth 161, and the spline shaft rolls from one end to the other end for at least one circle. In this engagement, each of the detection tooth blocks 1611 is slightly moved, pressed down, or the like, and a signal is generated by pressing the corresponding pressure sensor 164 and recorded in the processing center as a standard signal.
And then, the spline shaft to be detected is placed on the detection plate, the same operation is repeated, the generated pressure signal is compared with the standard signal, if the difference value is within a set range, the spline shaft is qualified, otherwise, if the pressure signal exceeds the set range, the spline shaft is unqualified, and the indicator light 15 is lighted up for reminding.
Above description can be seen that the application provides a spline axle detection device, has changed the complicated complex operation detection device of structure in the past, and overall structure is simple, convenient operation, and it is high to detect the precision.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (10)
1. The spline shaft detection device is characterized by comprising a detection plate (1) arranged at the lower part and a positioning component (3) arranged at the upper part, wherein the detection plate (1) and the positioning component (3) are relatively and fixedly arranged;
the detection plate (1) is provided with at least one detection assembly, the detection assembly comprises a base (16), a plurality of lower concave cavities (163) which are regularly arranged are arranged on the base (16), and the side walls and/or the bottom surface of each lower concave cavity (163) are/is provided with a convex pressure sensor (164); the pressure sensor (164) is connected to a processing center in a signal mode;
the detection assembly further comprises a detection tooth block (1611), wherein a positioning seat (1612) is arranged at the lower part of the detection tooth block (1611), and the positioning seat (1612) is placed in the lower cavity (163) and is in contact with the surface of the pressure sensor (164); the upper part of the detection tooth block (1611) is provided with a detection tooth (161) protruding upwards;
the positioning device is characterized in that a moving assembly (4) capable of moving along a preset path is arranged on the positioning assembly (3), a positioning block (43) is arranged on the moving assembly (4), and a positioning cavity (431) arranged downwards is arranged on the positioning block (43).
2. A spline shaft detecting device according to claim 1, characterized in that the base (16) is provided with positioning teeth (162) outside one or both sides.
3. The spline shaft detecting device according to claim 1, wherein a resilient member (1613) is provided between the positioning base (1612) and the side wall and the bottom surface of the recessed cavity (163).
4. The spline shaft detecting device according to claim 1, wherein each detecting tooth block (1611) is provided with 3-5 detecting teeth (161).
5. A spline shaft detecting device according to claim 1, wherein a gap is left between adjacent detecting tooth blocks (1611), and the detecting teeth (161) on several detecting tooth blocks (1611) are equally spaced.
6. A spline shaft detecting device according to claim 1, wherein the detecting plate (1) is provided with mounting plates (2) at both sides thereof, and the positioning member (3) is fitted to the mounting plates (2) through mounting side plates (31) thereon.
7. The spline shaft detection device according to claim 1, wherein the positioning component (3) is provided with a vertically-through moving area (30), the moving component (4) moves in the moving area (30), and the moving component (4) and the side wall of the moving area (30) are assembled through a sliding block/sliding groove structure to realize movement.
8. A spline shaft detection device according to claim 7, characterized in that, the two sides of the moving component (4) are provided with protruding sliding blocks (411), the side wall of the moving area (30) is provided with a sliding groove (34), and the sliding blocks (411) are placed in the sliding groove (34).
9. The spline shaft detecting device according to claim 8, wherein both ends of the sliding groove (341) extend upward to form a lifting groove (341).
10. The spline shaft detection device according to claim 1, wherein the moving assembly (4) is provided with two positioning blocks (43), the positioning cavity (431) is an arc-shaped cavity, and the side wall of the arc-shaped cavity is provided with a ball (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518322.5A CN113138078B (en) | 2021-05-12 | 2021-05-12 | Spline shaft detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518322.5A CN113138078B (en) | 2021-05-12 | 2021-05-12 | Spline shaft detection device |
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| CN113138078A true CN113138078A (en) | 2021-07-20 |
| CN113138078B CN113138078B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110518322.5A Active CN113138078B (en) | 2021-05-12 | 2021-05-12 | Spline shaft detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026740A (en) * | 2022-06-29 | 2022-09-09 | 杨蓉 | Rapid positioning system and method for intelligent manufacturing |
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| JP2011203145A (en) * | 2010-03-26 | 2011-10-13 | Aisin Aw Co Ltd | Apparatus and method for measurement of gear transmission efficiency |
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| CN113138078B (en) | 2023-03-28 |
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Effective date of registration: 20230106 Address after: 511400 floors 1-3, building 1, No. 13, Meide 1st Road, Zhujiang street, Nansha District, Guangzhou, Guangdong Applicant after: Guangzhou Pulian Intelligent Equipment Co.,Ltd. Address before: 311115 no.6-2, guacun, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Mao Wei |
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