Detection tool for detecting position of square hole of thin-wall combined gear ring

Abstract

The utility model provides a detection tool for detecting the position of a square hole of a thin-wall combined gear ring, which comprises a base, a positioning sleeve, a positioning mandrel and a position degree detection sleeve, the positioning sleeve is inserted and installed on the base, a workpiece is sleeved on the positioning sleeve and abuts against the upper end of the base, the positioning mandrel is inserted, a tapered end face pushes a quenched steel ball to move, and the position degree detection sleeve detects the position of the square hole of the thin-wall combined gear ring. Then the location degree detection sleeve is installed on the positioning sleeve, the location degree detection sleeve slides downwards along with the positioning sleeve, so that the insertion block corresponds to the position of the square hole of the workpiece, if the insertion block passes through the square hole, the workpiece is a qualified product, and if the insertion block does not pass through the square hole, the workpiece is an unqualified product. According to the device, the sliding quenched steel ball is combined with the conical end face on the positioning mandrel to carry out gapless positioning on the thin-wall combined gear ring, so that the problem of accurate positioning of the inner hole of the thin-wall combined gear ring is solved, and the position accuracy detection of the square hole is realized. Parts are of detachable structures and can be quickly assembled and adjusted, and the thin-wall combined gear ring can be quickly positioned in a gapless mode.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing, in particular to a detection tool for detecting the position of a square hole of a thin-wall combined tooth ring. Background Technique

[0002] During the processing of the thin-wall combined tooth ring, it is necessary to detect the position of the square hole inside the thin-wall combined tooth ring. Due to the out-of-roundness of the inner hole of the thin-wall combined tooth ring and large dimensional tolerances, it is not easy to position, resulting in difficult detection of the position degree of the square hole, inaccurate detection, and a relatively cumbersome detection operation process. Content of the Utility Model

[0003] The technical problem solved by the utility model is to provide a detection tool for detecting the position of the square hole of a thin-wall combined tooth ring to solve the problems raised in the above background technique.

[0004] The technical problem solved by the utility model is realized by the following technical solutions: A detection tool for detecting the position of the square hole of a thin-wall combined tooth ring, comprising:

[0005] A base, which is placed on the detection table. The base is of a columnar structure, and a first positioning hole is opened in the middle of the base;

[0006] A positioning sleeve, which is inserted and installed in the first positioning hole of the base. A second positioning hole is opened in the positioning sleeve. A plurality of groups of ball holes are annularly distributed at the corresponding positions at the upper end of the positioning sleeve. Quenched steel balls are slidably installed in the ball holes. The thin-wall combined tooth ring is sleeved on the positioning sleeve and abuts against the upper end of the base. The thin-wall combined tooth ring is located at the outer end of the quenched steel balls of the positioning sleeve;

[0007] A positioning mandrel, the lower end of which is inserted and installed in the second positioning hole. The lower end of the positioning mandrel is provided with a conical end face corresponding to the quenched steel balls to push the quenched steel balls to move outward synchronously, so as to position the axis of the thin-wall combined tooth ring;

[0008] A position degree detection sleeve, which includes an annular sleeve body and detection parts annularly distributed on the sleeve body. The detection parts are arranged in cooperation with the square holes on the thin-wall combined tooth ring. The position degree detection sleeve is slidably installed at the outer end of the positioning sleeve, and the detection parts are inserted into the square holes to detect whether the position degree of the square holes of the thin-wall combined tooth ring is qualified.

[0009] As a further scheme of the utility model:

[0010] A plurality of detection grooves are opened at the upper end of the base corresponding to the detection parts, so that the lower ends of the detection parts penetrate through the thin-wall combined tooth ring and are inserted into the detection grooves; the first positioning hole of the base is of a stepped hole structure, and a first table surface for limiting the positioning sleeve is arranged inside the base.

[0011] As a further scheme of the utility model:

[0012] The middle part of the positioning sleeve is provided with a ring body protruding outward. The lower end of the ring body abuts against the first table surface of the base. The ball holes are annularly arranged on the ring body, and the ball holes are evenly riveted with a chisel to prevent the hardened steel balls from falling off. The second positioning hole in the positioning sleeve is a stepped hole structure, and a second table surface for limiting the positioning mandrel is arranged in the positioning sleeve.

[0013] As a further solution of the present utility model:

[0014] The positioning mandrel includes a positioning shaft and a positioning cylinder body fixedly installed at a corresponding position of the positioning shaft. The lower end of the positioning cylinder body is a second table surface for limiting the positioning cylinder body. A conical end face is arranged on the outer side of the lower end of the positioning cylinder body. The upper ends of the positioning shaft and the positioning cylinder body are respectively arranged in small clearance fit with the positioning sleeve to ensure the coaxiality between the positioning mandrel and the positioning sleeve, so that the force acting on the hardened steel balls by the conical end face is consistent, thereby pushing the thin-walled combined gear ring to move through the hardened steel balls until there is no clearance, and the thin-walled combined gear ring is fixed.

[0015] As a further solution of the present utility model:

[0016] The lower end of the sleeve body abuts against the ring body. The detecting member includes a detecting block and an inserting block arranged at the lower end of the detecting block. The inserting block is arranged corresponding to the square hole on the thin-walled combined gear ring. The inserting block is used for inserting into the square hole on the thin-walled combined gear ring, and the detecting block is used for abutting against the upper end face of the thin-walled combined gear ring. Specifically, when the inserting block passes through the square hole, the workpiece is a qualified product, otherwise the workpiece is an unqualified product.

[0017] As a further solution of the present utility model:

[0018] A small clearance fit is provided between the sleeve body and the positioning sleeve, and the coaxiality of the position detecting sleeve and the positioning mandrel is ensured through the positioning sleeve.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: The positioning sleeve is inserted and installed on the base, the workpiece is sleeved on the positioning sleeve and abuts against the upper end of the base, the positioning mandrel is inserted, the conical end face pushes the hardened steel balls to move to perform axial positioning on the workpiece, then the position detecting sleeve is installed on the positioning sleeve, and the position detecting sleeve slides downward on the positioning sleeve to make the inserting block correspond to the position of the square hole of the workpiece. If the inserting block passes through the square hole, the workpiece is a qualified product, and if it does not pass, the workpiece is an unqualified product.

[0020] The device adopts sliding hardened steel balls combined with the conical end face on the positioning mandrel to perform non-clearance positioning on the thin-walled combined gear ring, solves the problem of precise positioning of the inner hole of the thin-walled combined gear ring, and realizes the detection of the position degree of the square hole. The components are of a detachable structure, can be quickly assembled and adjusted, can perform quick non-clearance positioning on the thin-walled combined gear ring, and realize the comprehensive detection of the position degree of the thin-walled combined gear ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural view of the present utility model;

[0022] Figure 2 is a schematic structural view of the base of the present utility model;

[0023] Figure 3 is a schematic structural view of the positioning sleeve of the present utility model;

[0024] Figure 4 is a schematic structural view of the positioning mandrel of the present utility model;

[0025] Figure 5 is a schematic structural view of the position tolerance detection sleeve of the present utility model;

[0026] Reference numerals in the figures: 1, base; 2, positioning sleeve; 3, positioning mandrel; 4, position tolerance detection sleeve; 5, thin-wall combined tooth ring; 11, first positioning hole; 12, detection groove; 13, first table surface; 21, second positioning hole; 22, ball hole; 23, hardened steel ball; 24, ring body; 25, second table surface; 31, conical end face; 32, positioning shaft; 33, positioning cylinder; 41, sleeve body; 42, detection block; 43, insertion block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] In order to make the implementation means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below with reference to specific drawings.

[0028] As Figures 1 to 5 shown,

[0029] This embodiment provides a detection tool for detecting the position of the square hole of a thin-wall combined tooth ring, including:

[0030] Base 1, which is placed on the detection table surface. The base 1 is a columnar structure, and a first positioning hole 11 is opened in the middle of the base 1;

[0031] Positioning sleeve 2, which is inserted and installed in the first positioning hole 11 of the base 1. A second positioning hole 21 is opened in the positioning sleeve 2. A number of groups of ball holes 22 are annularly distributed at the corresponding positions at the upper end of the positioning sleeve 2. Hardened steel balls 23 are slidably installed in the ball holes 22. The thin-wall combined tooth ring 5 is sleeved on the positioning sleeve 2 and abuts against the upper end of the base 1. The thin-wall combined tooth ring 5 is located at the outer end of the hardened steel balls 23 of the positioning sleeve 2;

[0032] Positioning mandrel 3, the lower end of which is inserted and installed in the second positioning hole 21. A conical end face 31 corresponding to the hardened steel balls 23 is provided at the lower end of the positioning mandrel 3 to push the hardened steel balls 23 to move outward synchronously, so as to perform axial positioning on the thin-wall combined tooth ring 5;

[0033] The position detection sleeve 4, which includes an annular sleeve body 41 and detection members arranged in an annular distribution on the sleeve body 41. The detection members are arranged in correspondence with the square holes on the thin-wall combined tooth ring 5. The position detection sleeve 4 is slidably installed at the outer end of the positioning sleeve 2, and the detection members are inserted into the square holes to detect whether the position degree of the square holes on the thin-wall combined tooth ring 5 is qualified.

[0034] In this embodiment, a plurality of detection grooves 12 are provided at the upper end of the base 1 corresponding to the detection members, so that the lower ends of the detection members penetrate through the thin-wall combined tooth ring 5 and are inserted into the detection grooves 12; the first positioning hole 11 of the base 1 is a stepped hole structure, and a first table surface 13 for limiting the positioning sleeve 2 is provided inside the base 1.

[0035] In this embodiment, a ring body 24 protruding outward is provided in the middle of the positioning sleeve 2. The lower end of the ring body 24 abuts against the first table surface 13 of the base 1. The ball holes 22 are annularly provided on the ring body 24, and the ball holes 22 are evenly riveted with a chisel to prevent the hardened steel balls 23 from falling off; the second positioning hole 21 in the positioning sleeve 2 is a stepped hole structure, and a second table surface 25 for limiting the positioning mandrel 3 is provided inside the positioning sleeve 2.

[0036] In this embodiment, the positioning mandrel 3 includes a positioning shaft 32 and a positioning cylinder body 33 fixedly installed at a corresponding position of the positioning shaft 32. The lower end of the positioning cylinder body 33 is the second table surface 25 to limit the positioning cylinder body 33. A conical end face 31 is provided on the outer side of the lower end of the positioning cylinder body 33. The upper ends of the positioning shaft 32 and the positioning cylinder body 33 are respectively arranged in a small clearance fit with the positioning sleeve 2 to ensure that the positioning mandrel 3 and the positioning sleeve 2 are coaxial, so that the force of the conical end face 31 acting on the hardened steel balls 23 is consistent, thereby pushing the thin-wall combined tooth ring 5 to move through the hardened steel balls 23 until there is no clearance, and then the thin-wall combined tooth ring 5 is fixed.

[0037] In this embodiment, the lower end of the sleeve body 41 abuts against the ring body 24. The detection member includes a detection block 42 and an insertion block 43 provided at the lower end of the detection block 42. The insertion block 43 is arranged in correspondence with the square holes on the thin-wall combined tooth ring 5. The insertion block 43 is used to be inserted into the square holes on the thin-wall combined tooth ring 5, and the detection block 42 is used to abut against the upper end face of the thin-wall combined tooth ring 5. Specifically, when the insertion block 43 passes through the square holes, the workpiece is a qualified product, otherwise the workpiece is an unqualified product.

[0038] A small clearance fit is provided between the sleeve body 41 and the positioning sleeve 2, and the positioning sleeve 2 is used to ensure the coaxiality of the position detection sleeve 4 and the positioning mandrel 3.

[0039] The working principle of the present utility model is as follows: The positioning sleeve 2 is inserted and installed on the base 1. The workpiece is sleeved on the positioning sleeve 2 and abuts against the upper end of the base 1. The positioning mandrel 3 is inserted. The conical end face 31 pushes the quenched steel ball 23 to move, so as to perform axial center positioning on the workpiece. Then, the position degree detection sleeve 4 is installed on the positioning sleeve 2. The position degree detection sleeve 4 slides downward on the positioning sleeve 2, so that the inserting block 43 corresponds to the square hole position of the workpiece. If the inserting block 43 passes through the square hole, the workpiece is a qualified product; if not, the workpiece is an unqualified product.

[0040] This device adopts the sliding quenched steel ball 23 combined with the conical end face 31 on the positioning mandrel 3 to perform non-gap positioning on the thin-walled combined gear ring 5, solves the problem of precise positioning of the inner hole of the thin-walled combined gear ring 5, and realizes the detection of the position degree of the square hole. The components are of detachable structure, can be quickly assembled and adjusted, can perform quick non-gap positioning on the thin-walled combined gear ring 5, and realize the comprehensive detection of the position degree of the thin-walled combined gear ring 5.

[0041] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents. It should be noted that in this article, if there are relational terms such as first and second, they are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A testing tool for detecting the position of a square hole of a thin-walled combined gear ring, characterized in that: include: A base, which is placed on the detection table, has a columnar structure, and a first positioning hole is opened in the middle of the base; The positioning sleeve is inserted and installed in the first positioning hole of the base, and a second positioning hole is opened in the positioning sleeve. A plurality of groups of ball holes are annularly distributed at the corresponding position of the upper end of the positioning sleeve, and a hardened steel ball is slidably installed in the ball hole. The thin-walled combined toothed ring is sleeved on the positioning sleeve and abuts against the upper end of the base. The thin-walled combined toothed ring is located at the outer end of the hardened steel ball of the positioning sleeve; A positioning mandrel, the lower end of which is inserted and installed in the second positioning hole, and the lower end of the positioning mandrel is provided with a conical end surface corresponding to the hardened steel ball to push the hardened steel ball to move outward synchronously, so that the thin-walled combined gear ring is axially positioned; The position detection sleeve comprises an annular sleeve body and detection parts annularly distributed on the sleeve body. The detection parts are arranged to match the square holes on the thin-walled combined gear ring. The position detection sleeve is slidably mounted on the outer end of the positioning sleeve and is inserted into the square hole through the detection parts to detect whether the position of the square hole of the thin-walled combined gear ring is qualified.

2. A testing tool for detecting the position of a square hole of a thin-walled combined gear ring according to claim 1, characterized in that: The upper end of the base is provided with a plurality of detection grooves corresponding to the detection piece, so that the lower end of the detection piece can pass through the thin-walled combined gear ring and be inserted into the detection groove; the first positioning hole of the base is a stepped hole structure, and a first table surface is provided in the base to limit the positioning sleeve.

3. A testing tool for detecting the position of a square hole of a thin-walled combined gear ring according to claim 2, characterized in that: A ring body protruding outward is provided in the middle of the positioning sleeve, and the lower end of the ring body is abutted against the first table surface of the base. A ball hole is arranged in a ring shape on the ring body. The ball hole is evenly riveted with a chisel to prevent the hardened steel ball from falling off; the second positioning hole in the positioning sleeve is a stepped hole structure, and a second table surface is provided in the positioning sleeve to limit the positioning core shaft.

4. A testing tool for detecting the position of a square hole of a thin-walled combined gear ring according to claim 3, characterized in that: The positioning core shaft includes a positioning shaft and a positioning cylinder fixedly installed at a corresponding position of the positioning shaft. The lower end of the positioning cylinder is a second table surface to limit the positioning cylinder. The conical end surface is arranged on the outer side of the lower end of the positioning cylinder. The upper ends of the positioning shaft and the positioning cylinder are respectively arranged with a small gap with the positioning sleeve to ensure that the positioning core shaft and the positioning sleeve are coaxial.

5. The detection tool for detecting the position of the square hole of the thin-walled combined gear ring according to claim 1, characterized in that: The lower end of the sleeve body is abutted against the ring body, and the detection member includes a detection block and an insert block arranged at the lower end of the detection block, and the insert block is matched with the square hole on the thin-walled combined gear ring.

6. A testing tool for detecting the position of a square hole of a thin-walled combined gear ring according to claim 1, characterized in that: The sleeve body and the positioning sleeve are matched with each other with a small clearance, and the positioning sleeve is used to ensure the coaxiality of the position detection sleeve and the positioning core shaft.

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