CN213301146U - Worm radial run-out detection device - Google Patents
Worm radial run-out detection device Download PDFInfo
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- CN213301146U CN213301146U CN202022575154.7U CN202022575154U CN213301146U CN 213301146 U CN213301146 U CN 213301146U CN 202022575154 U CN202022575154 U CN 202022575154U CN 213301146 U CN213301146 U CN 213301146U
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Abstract
A worm radial run-out detection device comprises a base, wherein a measuring assembly, a worm placing assembly and a standard worm wheel assembly are arranged on the base; the measuring assembly comprises a measuring frame arranged on the base, a measuring meter is arranged on the measuring frame, and a detecting head of the measuring meter is abutted against the standard worm gear assembly; the standard worm gear assembly comprises a moving seat which can directionally reciprocate on the base, and a rotatable standard worm gear is arranged on the moving seat; the worm placing assembly comprises a placing rack, two bearing positioning groups are arranged on the placing rack and are respectively used for positioning two ends of the worm, and each bearing positioning group comprises two positioning bearings; the rack is further provided with a rotating shaft, one end of the rotating shaft is used for clamping the worm, and the other end of the rotating shaft is fixed on the rotating handle. The worm radial run-out detection device has the advantages that the overall structure is compact, the design is reasonable, the bearing block is adopted to position the worm, the worm without a center hole can be well adapted, and the positioning precision is high.
Description
Technical Field
The utility model belongs to worm measuring equipment field, concretely relates to worm diameter jumps detection device.
Background
The worm is a hardware widely applied and generally works in cooperation with a worm wheel, the worm wheel and worm structure is usually used for transmitting motion and power between two staggered shafts, the worm wheel and the worm are equivalent to a gear and a rack in the middle plane, and the worm is similar to a screw in shape.
For a worm used in a precise occasion, whether the surface quality of a gear ring on the surface of the worm is in compliance or not greatly affects the product quality of the worm. At present, before a finished worm leaves a factory, radial runout detection needs to be carried out on a gear ring on the surface of the finished worm, the worm to be detected is meshed with a standard worm wheel to rotate, the radial runout condition of the gear ring is detected, and whether the worm is qualified or not can be judged.
In the prior art, a better worm diameter jump detection device is lacked, the detection time consumption is long, the detection efficiency is low, and the detection precision of a plurality of detection tools is difficult to reach the standard. Therefore, based on the problems still existing in the prior art, the present application further designs and researches the worm radial run-out detecting device in the prior art.
SUMMERY OF THE UTILITY MODEL
Not enough to above prior art, the utility model provides a worm footpath jumps detection device, device overall structure is compact, reasonable in design adopts the bearing to keep off and fixes a position the worm, and positioning accuracy is high, convenient operation, and detection efficiency is high and detect the precision height.
In order to solve the above technical problem, the present invention solves the above technical problems.
A worm radial run-out detection device comprises a base, wherein a measuring assembly, a worm placing assembly and a standard worm wheel assembly are arranged on the base; the measuring assembly comprises a measuring frame arranged on the base, a measuring meter is arranged on the measuring frame, and a detecting head of the measuring meter is abutted against the standard worm gear assembly; the standard worm gear assembly comprises a moving seat which can directionally reciprocate on the base, and a rotatable standard worm gear is arranged on the moving seat; the worm placing assembly comprises a placing rack, two bearing positioning groups are arranged on the placing rack and are respectively used for positioning two ends of the worm, and each bearing positioning group comprises two positioning bearings; the rack is further provided with a rotating shaft, one end of the rotating shaft is used for clamping the worm, and the other end of the rotating shaft is fixed on the rotating handle.
In this application, adopted the bearing to keep off and fix a position the worm, some worms that do not have the centre bore of adaptation that can be fine, the positioning stability precision is high. And, in this application, after placing the worm that awaits measuring on the station, with the worm that awaits measuring and standard worm wheel meshing, then the twist grip rotates and drives the pivot and rotate, drives the worm synchronous revolution, and standard worm wheel also rotates synchronously thereupon, and in this process, radial deviation can make the removal seat produce the displacement, and this displacement can be shown by the real-time quilt survey meter, through this displacement data, can judge whether qualified this worm.
In a preferred embodiment, the base is provided with an inclined table surface which is inclined towards the worm placing assembly; the standard worm gear assembly is arranged on the inclined table top in a sliding mode. The advantages of this structure are: the standard worm wheel assembly always bears the action of gravity to generate downward sliding motion or downward sliding trend, so that the standard worm wheel on the standard worm wheel assembly always meshes with the worm to be abutted.
In a preferred embodiment, the movable seat and the inclined table top are assembled through a sliding rail and sliding groove structure and realize directional reciprocating movement, and lateral deviation cannot occur.
In a preferred embodiment, the lower end of the inclined table top is provided with a stop for limiting the downward sliding of the standard worm gear assembly.
In a preferred embodiment, a second inclined table-board is arranged on the base, and the inclined direction of the second inclined table-board is the same as that of the inclined table-board; the worm placing assembly is arranged on the second inclined table-board.
In a preferred embodiment, an upper positioning piece and a lower positioning piece which are aligned are arranged on the movable seat, an assembly column is arranged between the upper positioning piece and the lower positioning piece, and the standard worm wheel is assembled on the assembly column; the standard worm gear can rotate independently, or the standard worm gear can rotate together with the assembling column.
Compared with the prior art, the utility model discloses following beneficial effect has: the worm radial run-out detection device is compact in overall structure and reasonable in design, the bearing block is adopted to position the worm, the worm radial run-out detection device can be well suitable for the worms without center holes, the positioning accuracy is high, the operation is convenient, the detection efficiency is high, and the detection accuracy is high; and the worm gear is meshed with the worm by means of gravity, so that an elastic device is omitted, and the structure is simplified.
Drawings
Fig. 1 is a perspective view of a detection device in the present application.
Fig. 2 is a side view of the detection device of the present application.
FIG. 3 is a front view of the detection device of the present application
Fig. 4 is a perspective view of the detection device of the present application with the standard worm gear assembly and the gauge omitted.
Fig. 5 is a perspective view of the detecting device in this application, with the worm placement assembly omitted.
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 are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. 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 the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should 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 5, the utility model provides a worm diameter jumps detection device, including base 1, be equipped with measuring component, worm on the base 1 and place subassembly, standard worm wheel subassembly. The specific structure is as follows.
Base: an inclined table top is arranged on the base 1 and inclines towards the worm placing assembly; the standard worm gear assembly is arranged on the inclined table top in a sliding mode. In the structure, the standard worm wheel assembly always bears the action of gravity to generate downward sliding motion or downward sliding trend, so that the standard worm wheel 33 on the standard worm wheel assembly always meshes with the worm 9 to be offset. The lower end of the inclined table surface is provided with a blocking table 13 for limiting the downward sliding limit of the standard worm gear assembly. Moreover, a second inclined table top is arranged on the base 1, and the inclined direction of the second inclined table top is the same as that of the inclined table top; the worm placing assembly is arranged on the second inclined table-board.
A measuring component: the measuring assembly comprises a measuring frame 11 arranged on the base 1, an assembling hole 111 is formed in the measuring frame 11, a detecting rod of the measuring meter 2 is arranged in the assembling hole 111, and a detecting head at the end part of the detecting rod of the measuring meter 2 abuts against the standard worm gear assembly;
standard worm gear assemblies: the standard worm gear component comprises a moving seat 3 which can directionally reciprocate on the base 1, and a rotatable standard worm gear 33 is arranged on the moving seat 3; the movable seat 3 and the inclined table top are assembled through a sliding rail 12 and a sliding groove structure, and directional reciprocating movement is realized, so that lateral deviation cannot occur. In addition, an upper positioning piece 31 and a lower positioning piece 32 which are aligned are arranged on the movable seat 3, an assembly column 34 is arranged between the upper positioning piece 31 and the lower positioning piece 32, and the standard worm wheel 33 is assembled on the assembly column 34; the standard worm wheel 33 can be rotated independently, or the standard worm wheel 33 can be rotated together with the fitting post 34.
The worm is placed the subassembly: the worm placing assembly comprises a placing rack 4, two bearing positioning groups are arranged on the placing rack 4 and are respectively used for positioning two ends of the worm 9, and each bearing positioning group comprises two positioning bearings 41; the rack 4 is further provided with a rotating shaft 51, one end of the rotating shaft 51 is used for clamping or blocking the worm 9 (through a conventional clamping jaw, an interference fit, a coupling mechanism and the like), and the other end of the rotating shaft 51 is fixed on the rotating handle 5.
In the prior art, most of the radial runout detection of the worm gear ring adopts central hole positioning to perform meshing motion with a standard worm wheel or a standard gear, but the accuracy of a final detection result is usually ensured by the form and position precision of the central hole and the central shaft, and the result measured by the central hole positioning cannot represent the radial runout of the gear ring under the actual use condition.
The bearing retainer is adopted to position the worm, the center hole does not play a role any more, the worm is well adapted to the situation that the center hole does not exist, and the positioning stability and the positioning precision are high. And, in this application, after placing the worm that awaits measuring on the station, with the worm that awaits measuring and standard worm wheel 33 meshing, then rotation handle 5 rotates and drives pivot 51 and rotate, drives worm 9 synchronous rotation, and standard worm wheel 33 also rotates simultaneously thereupon, and in this process, radial deviation can make and remove seat 3 and produce the displacement, and this displacement can be shown by the real-time presentation of measurement table 2, through this displacement data, can judge whether qualified this worm.
The utility model provides a worm diameter jump detection device, which has compact integral structure and reasonable design, adopts the bearing block to position the worm, can well adapt to the worms without central holes, and has high positioning precision, convenient operation, high detection efficiency and high detection precision; and the worm gear is meshed with the worm by means of gravity, so that an elastic device is omitted, and the structure is simplified.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (6)
1. The worm radial run-out detection device is characterized by comprising a base (1), wherein a measuring assembly, a worm placing assembly and a standard worm gear assembly are arranged on the base (1);
the measuring assembly comprises a measuring frame (11) arranged on the base (1), a measuring meter (2) is arranged on the measuring frame (11), and a detecting head of the measuring meter (2) is abutted to the standard worm gear assembly;
the standard worm wheel assembly comprises a moving seat (3) which can directionally reciprocate on the base (1), and a rotatable standard worm wheel (33) is arranged on the moving seat (3);
the worm placing assembly comprises a placing rack (4), two bearing positioning groups are arranged on the placing rack (4) and are respectively used for positioning two ends of the worm (9), and each bearing positioning group comprises two positioning bearings (41); the rack (4) is further provided with a rotating shaft (51), one end of the rotating shaft (51) is used for clamping the worm (9), and the other end of the rotating shaft (51) is fixed on the rotating handle (5).
2. The worm radial run-out detection device of claim 1, characterized in that the base (1) is provided with an inclined table surface which is inclined towards the worm placing component; the standard worm gear assembly is arranged on the inclined table top in a sliding mode.
3. The worm radial run-out detection device according to claim 2, characterized in that the moving seat (3) and the inclined table-board are assembled through a sliding rail (12) and a sliding groove structure and realize directional reciprocating movement.
4. The worm radial run-out detecting device as claimed in claim 2, characterized in that the lower end of the inclined table surface is provided with a stop (13).
5. The worm radial run-out detection device according to claim 2, characterized in that a second inclined table top is arranged on the base (1), and the inclined direction of the second inclined table top is the same as the inclined direction of the inclined table top; the worm placing assembly is arranged on the second inclined table-board.
6. The worm radial run-out detection device according to claim 1, characterized in that the moving seat (3) is provided with an upper positioning member (31) and a lower positioning member (32) which are aligned, an assembly column (34) is arranged between the upper positioning member (31) and the lower positioning member (32), and the standard worm wheel (33) is assembled on the assembly column (34); the standard worm wheel (33) can rotate independently, or the standard worm wheel (33) can rotate together with the assembling column (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575154.7U CN213301146U (en) | 2020-11-10 | 2020-11-10 | Worm radial run-out detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575154.7U CN213301146U (en) | 2020-11-10 | 2020-11-10 | Worm radial run-out detection device |
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| CN213301146U true CN213301146U (en) | 2021-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344823A (en) * | 2020-11-10 | 2021-02-09 | 浙江夏厦精密制造股份有限公司 | Positioning method and device suitable for worm wheel radial run-out measurement |
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2020
- 2020-11-10 CN CN202022575154.7U patent/CN213301146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344823A (en) * | 2020-11-10 | 2021-02-09 | 浙江夏厦精密制造股份有限公司 | Positioning method and device suitable for worm wheel radial run-out measurement |
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