CN216482597U - Cylindrical roller engineering plastic retainer detection tool and vernier caliper for bearing - Google Patents
Cylindrical roller engineering plastic retainer detection tool and vernier caliper for bearing Download PDFInfo
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- CN216482597U CN216482597U CN202123095722.4U CN202123095722U CN216482597U CN 216482597 U CN216482597 U CN 216482597U CN 202123095722 U CN202123095722 U CN 202123095722U CN 216482597 U CN216482597 U CN 216482597U
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- cylindrical roller
- connecting pin
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Abstract
The utility model provides a cylindrical roller engineering plastics holder detects frock and slide caliper for bearing, include: the device comprises an arc clamping block, a connecting pin, a fastening screw and a mounting block; the arc fixture block is connected with the mounting block through a connecting pin; a limiting groove is formed in one side, away from the arc-shaped clamping block, of the mounting block; one side of the mounting block is provided with a fastening threaded hole; the fastening threaded hole is vertical to the axis of the limiting groove; the mounting block is clamped on the vernier caliper or the outer measuring surface of the main scale through a limiting groove; and the fastening screw penetrates through the fastening threaded hole to fix the mounting block on the vernier caliper. The utility model discloses detect the frock and can realize artifical manual detection, but adjusting position and angle carry out external diameter direct measurement to the product of unidimensional model, need not to convert, can directly obtain the maximum outside diameter size of product through digital display slide caliper reading. High precision, high efficiency and low labor intensity. Is convenient for operation and replacement.
Description
Technical Field
The utility model relates to an engineering plastics holder product size detection technical field especially relates to a cylindrical roller engineering plastics holder detects frock and slide caliper for bearing.
Background
At present, three common measurement modes for detecting the outer diameter size of an engineering plastic retainer product are provided, namely, a digital display vernier caliper is used for carrying out point-to-point measurement on the maximum outer diameter of the product; secondly, performing analog calculation on the product in a 3D simulation mode through a three-coordinate measuring instrument to obtain the maximum outer diameter size of the product; and thirdly, after the roller is assembled, the circle connecting diameter of the roller is detected to judge whether the assembling performance meets the drawing requirements.
The existing three detection modes commonly used have different defects and errors. In the first detection mode, the maximum size of the outer diameter of the product can be visually measured through the caliper, the surface of the caliper can cover the maximum point of the outer diameter of the product, but if the product is an odd-number hole and the outer diameter of the product is provided with a convex structure, the maximum diameter of the product cannot be detected through the method of 2-point detection in the diameter direction of the caliper. And the second method is to carry out 3D digital-analog modeling on a product through a three-coordinate measuring instrument, and then obtain the maximum diameter of the product through analog calculation, because the engineering plastic retainer is deformed and contracted in the injection molding process of the product, and the mold has demolding inclination in the mold design process, the outer surface of the product is actually not a regular arc, the vertical direction of the product also has a certain demolding angle, and certain errors exist in point collection and analog calculation, so that the maximum outer diameter of the product cannot be truly embodied. The third detection mode is that the corresponding bearing roller is arranged in a retainer product, and the outer end or the inner end of the roller is contacted by the micro force of a caliper so as to detect the circle-connecting diameter of the roller. The method cannot directly reflect the real size of the outer diameter of the product, and can only indirectly judge that the roller meets the service performance after being assembled. Corresponding problems and detection errors exist in the three detection modes.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly solve prior art and have the product external diameter detection inaccuracy, the poor stability scheduling technical problem of protruding structure to the for railway bearing odd number hole cylinder roller engineering plastics holder product external diameter, provide a cylinder roller engineering plastics holder detects frock and slide caliper for bearing, the assembly is simple, and the precision is high, and this frock is light and handy convenient, and the location is accurate.
The utility model provides a cylindrical roller engineering plastics holder detects frock and slide caliper for bearing, include: the device comprises an arc clamping block, a connecting pin, a fastening screw and a mounting block;
the arc fixture block is connected with the mounting block through a connecting pin;
one side of the mounting block, which is far away from the arc fixture block, is provided with a limiting groove; one side of the mounting block is provided with a fastening threaded hole; the fastening threaded hole is vertical to the axis of the limiting groove;
the mounting block is clamped on the vernier caliper or the outer measuring surface of the main scale through a limiting groove;
and the fastening screw penetrates through the fastening threaded hole to fix the mounting block on the vernier caliper.
Furthermore, a through hole is formed in the center of the arc fixture block; the diameter of one side of the through hole, which is far away from the mounting block, is larger than that of one side of the through hole, which is close to the mounting block.
Further, the connecting pin is a countersunk head screw.
Further, the diameter of the connecting pin is smaller than that of the through hole; the arc clamping block can rotate by taking the connecting pin as an axis.
Further, pin holes are formed in the mounting block and the limiting groove in the horizontal direction;
the connecting pin extends into the pin hole; and the connecting pin is welded and fixed with the mounting block.
Further, the retainer detection tool is made of die steel.
Further, the vernier caliper comprises the detection tool for the cylindrical roller engineering plastic retainer for the bearing, which is disclosed by the utility model;
the detection tool for the cylindrical roller engineering plastic retainer for the bearing is arranged on the outer side measuring surface of a vernier caliper main scale or a vernier scale.
The utility model provides a cylindrical roller engineering plastics holder detects frock and slide caliper for bearing mainly is to the product external diameter that the odd number hole cylindrical roller engineering plastics holder product external diameter has protruding structure for the railway bearing detects, compares with prior art, has following advantage:
1. by adopting the tool of the utility model and matching with a specially-made digital display vernier caliper, the outer diameter of the odd-hole engineering plastic retainer product with the convex structure can be visually detected; the maximum outer diameter value of the odd-number-hole cylindrical engineering plastic retainer can be visually detected at one time.
2. The utility model discloses the demand that the product volume production detected is satisfied to the frock, and the assembly is simple, and the precision is high, and this frock is light and handy convenient, and the location is accurate, and it is convenient to adopt the point, easily discerns and the reading, and different measurement personnel use repeatability height, error are little.
3. The tool can be assembled and fixed with the digital display vernier caliper, is provided with a locking device and a limiting device, and is good in stability and convenient to replace and debug.
4. By using the tool, the detection requirements of products in multiple size sections can be met by replacing the corresponding arc clamping blocks, and the instrument error caused by frequent replacement of the digital display vernier caliper is reduced.
5. The tool is made of a quenching die steel material, is wear-resistant and corrosion-resistant, does not have the thermal expansion condition within a certain temperature difference range, ensures the detection precision, is finished by adopting the precision machining of slow-moving wire electric sparks, grinding, milling of a machining center and the like, has high tool assembly precision, effectively improves the assembly precision, and ensures the detection precision.
6. The arc fixture block of frock is rotatable, and the fit clearance reaches mu level, when guaranteeing the precision, makes things convenient for inspector's operation, and is rotatable adjustable, and the digital display slide caliper of being convenient for sets different angles, makes things convenient for reading and manual work, reduces error and manual operation fatigue degree, has improved detection efficiency.
7. The utility model discloses frock complex digital display slide caliper is the customization, and customization digital display slide caliper, its jack catch shape are different from ordinary slide caliper, as shown in FIG. 1, and customization digital display slide caliper's jack catch is elongated, and outer measuring surface 8, interior measuring surface 9, chi frame 10. The contact surface of the outer measuring surface 8 is a plane, the contact surface of the inner measuring surface 9 is an arc surface, and the ruler frame 10 is a length-size lengthening type ruler, so that the ruler can cover the outer diameter surface of a product when being detected conveniently.
However, when engineering plastics holder product external diameter has protruding structure to when the quantity in pocket is the odd number hole, as shown in fig. 2, fig. 3, the external diameter surface of product can be covered to digital display slide caliper's outer detection face main scale part, but the biggest external diameter surface of the unable product of touching of vernier scale part, as shown in the enlarger of fig. 3, the vernier scale part can only contact the external diameter in 2 adjacent holes, and this position is not the biggest external diameter face of product, consequently sets up at digital display slide caliper's vernier scale tip the utility model discloses frock.
Drawings
FIG. 1 is a schematic view of a vernier caliper;
FIG. 2 is a schematic view of a measuring state of a vernier caliper;
FIG. 3 is an enlarged view of the end of the vernier caliper of FIG. 2;
FIG. 4 is a schematic view of a cage detection tool;
FIG. 5 is a top view of the circular arc fixture block;
FIG. 6 is a front view of the circular arc fixture block;
FIG. 7 is a schematic view of a mounting block configuration;
FIG. 8 is a schematic view of the construction of the connecting pin;
FIG. 9 is a schematic view of a structure of a vernier caliper used in cooperation with a detection tool for a cylindrical roller engineering plastic retainer for a bearing;
reference numerals: 1. an arc fixture block; 2. a connecting pin; 3. fastening screws; 4. mounting blocks; 5. a limiting groove; 6. fastening the threaded hole; 7. a pin hole; 8. measuring the surface at the outer side; 9. an inner measuring surface; 10. a ruler frame.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.
Example 1
As shown in fig. 4, the embodiment of the utility model provides a cylindrical roller engineering plastics holder detects frock and slide caliper for bearing, include: the device comprises an arc fixture block 1, a connecting pin 2, a fastening screw 3 and a mounting block 4; the arc fixture block 1 is connected with the mounting block 4 through the connecting pin 2; a limiting groove 5 is formed in one side, away from the arc fixture block 1, of the mounting block 4; one side of the mounting block 4 is provided with a fastening threaded hole 6; the fastening threaded hole 6 is vertical to the axis of the limiting groove 5; the mounting block 4 is clamped on the vernier caliper or the outer side measuring surface 8 of the main scale through a limiting groove 5; the fastening screw 3 passes through the fastening threaded hole 6 to fix the mounting block 4 on the vernier caliper. The detection tool is connected with the vernier caliper through the limiting groove 5, positioned and locked by the fastening screw 3. And finishing the installation of the whole detection tool and the vernier caliper.
Detect the frock, mainly with wait to detect the part of product contact and be the circular arc part of circular arc fixture block 1, the theoretical external diameter that the size remains to detect the product uses quenching material slow wire spark-erosion machining circular arc fixture block 1's arc surface for benchmark customization processing, has guaranteed closely laminating of the precision and the shape of circular arc fixture block 1. And milling a central through hole of the arc fixture block 1 through a machining center for central positioning and central shaft rotation of the tool.
As shown in fig. 5-6, a through hole is formed in the center of the arc fixture block 1; the diameter of the through hole far away from the mounting block 4 is larger than that of the through hole near the mounting block 4.
As shown in fig. 8, the connecting pin 2 of the present invention is a countersunk head screw. The diameter of the connecting pin 2 is smaller than that of the through hole; the arc fixture block 1 can rotate by taking the connecting pin 2 as an axis.
The connecting pin 2 is manufactured by grinding die steel made of SKH51 materials, the precision can reach the mu level, the size and the positioning precision can be ensured, and the rotation flexibility can be ensured. The part that connecting pin 2 and circular arc fixture block 1 are connected is movable, and the tip card of connecting pin 2 is in the through-hole position of circular arc fixture block 1, and the tip is less than the surface of circular arc fixture block 1, does not produce wearing and tearing to waiting to detect the product when guaranteeing to detect, increases the accuracy that detects.
As shown in fig. 7, pin holes 7 are arranged in the horizontal direction between the mounting block 4 and the limiting groove 5; the connecting pin 2 extends into the pin hole 7; the connecting pin 2 and the mounting block 4 are fixed by welding. The part of the connecting pin 2 extending into the mounting block 4 is fixedly fastened by laser welding.
The retainer detection tool is made of die steel through quenching and processing; the precision of detection is guaranteed, and meanwhile, the accuracy, stability and durability of the tool are improved.
Example 2
As shown in fig. 9, a vernier caliper comprises the detection tool for the cylindrical roller engineering plastic retainer for the bearing of the present invention;
the detection tool for the cylindrical roller engineering plastic retainer for the bearing is arranged on an outer side measuring surface 8 of a vernier caliper main scale or a vernier scale.
The utility model discloses the theory of operation:
when the detection tool is installed on a vernier scale for use, an engineering plastic retainer product is horizontally arranged on a detection platform, an inspector firstly closes the arc fixture block 1 tightly, the vernier caliper is reset, then the vernier scale part is pulled open, the arc fixture block 1 is rotated to a comfortable detection position, a main scale part of the digital display vernier caliper is in close contact with one convex end of the engineering plastic retainer product, the vernier scale part is moved again, the arc fixture block 1 is in contact with two adjacent pocket positions on the opposite side, the vernier scale part is slightly moved, the arc fixture block 1 is ensured to be in contact with the maximum outer diameter surfaces of the two adjacent holes, and the reading at the moment is the maximum outer diameter value of the engineering plastic retainer product. The detection tool has the advantages of being capable of realizing direct reading, free of calculation, high in detection precision, small in error rate, convenient and fast to manually detect, and convenient to apply to the detection process of inspection of large-batch products. Rotatable circular arc fixture block 1, the biggest external diameter of the engineering plastics holder product that can be accurate find odd number hole, even there is drawing of patterns angle and shrinkage deformation in the product external diameter face, the biggest position of product also can be covered to the arc surface of circular arc fixture block, has guaranteed the precision that the product detected. And, can be according to the external diameter size scope of waiting to detect the product, the corresponding circular arc fixture block of customization, through dismantling fastening screw 3 and spacing groove 5, change the circular arc fixture block, realize the detection of many size sections product. The tool for detecting the outer diameter of the product with the convex structure of the odd-hole cylindrical roller engineering plastic retainer product for the railway bearing is applied practically, and the problem of detection limitation of the product structure is solved, and meanwhile, the detection efficiency is greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a cylindrical roller engineering plastics holder detects frock for bearing which characterized in that includes: the device comprises an arc clamping block (1), a connecting pin (2), a fastening screw (3) and a mounting block (4);
the arc fixture block (1) is connected with the mounting block (4) through a connecting pin (2);
a limiting groove (5) is formed in one side, away from the arc fixture block (1), of the mounting block (4); one side of the mounting block (4) is provided with a fastening threaded hole (6); the fastening threaded hole (6) is vertical to the axis of the limiting groove (5);
the mounting block (4) is clamped on the vernier caliper or the outer measuring surface (8) of the main scale through a limiting groove (5);
the fastening screw (3) penetrates through the fastening threaded hole (6) to fix the mounting block (4) on the vernier caliper.
2. The detection tool for the cylindrical roller engineering plastic retainer for the bearing as claimed in claim 1, wherein a through hole is formed in the center of the arc fixture block (1); the diameter of one side of the through hole, which is far away from the mounting block (4), is larger than that of one side of the through hole, which is close to the mounting block (4).
3. The detection tool for the cylindrical roller engineering plastic cage for the bearing as claimed in claim 1, wherein the connecting pin (2) is a countersunk head screw.
4. The detection tool for the cylindrical roller engineering plastic cage for the bearing as claimed in claim 3, wherein the diameter of the connecting pin (2) is smaller than that of the through hole; the arc fixture block (1) can rotate by taking the connecting pin (2) as an axis.
5. The detection tool for the cylindrical roller engineering plastic retainer for the bearing according to claim 1, wherein a pin hole (7) is formed in the horizontal direction of the mounting block (4) and the limiting groove (5);
the connecting pin (2) extends into the pin hole (7); the connecting pin (2) and the mounting block (4) are fixed in a welding mode.
6. The detection tool for the cylindrical roller engineering plastic cage for the bearing according to any one of claims 1 to 5, wherein the cage detection tool is manufactured by die steel quenching and then processing.
7. A vernier caliper, which is characterized by comprising the detection tool for the cylindrical roller engineering plastic retainer for the bearing, which is disclosed by any one of claims 1 to 6;
the detection tool for the cylindrical roller engineering plastic retainer for the bearing is arranged on an outer side measuring surface (8) of a vernier caliper main scale or a vernier scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123095722.4U CN216482597U (en) | 2021-12-10 | 2021-12-10 | Cylindrical roller engineering plastic retainer detection tool and vernier caliper for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123095722.4U CN216482597U (en) | 2021-12-10 | 2021-12-10 | Cylindrical roller engineering plastic retainer detection tool and vernier caliper for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216482597U true CN216482597U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123095722.4U Active CN216482597U (en) | 2021-12-10 | 2021-12-10 | Cylindrical roller engineering plastic retainer detection tool and vernier caliper for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216482597U (en) |
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2021
- 2021-12-10 CN CN202123095722.4U patent/CN216482597U/en active Active
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