CN210790626U - Tool clamp for improving hardness detection efficiency of screw - Google Patents
Tool clamp for improving hardness detection efficiency of screw Download PDFInfo
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- CN210790626U CN210790626U CN201920971312.5U CN201920971312U CN210790626U CN 210790626 U CN210790626 U CN 210790626U CN 201920971312 U CN201920971312 U CN 201920971312U CN 210790626 U CN210790626 U CN 210790626U
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Abstract
The utility model is suitable for a screw detects technical field, provides a promote frock clamp who detects screw hardness efficiency, including base, first slider, second slider and be used for the screw anchor clamps of set screw sample, the base be equipped with be used for with the bottom plate fixed connection's of abrasive band machine first link and be used for with first slider fixed connection's second link, the upper and lower both ends of second slider are equipped with the first fluting of looks vertically and second fluting respectively, the second slider the second fluting with the sliding montage of first slider, just first fluting with the sliding montage of screw anchor clamps. Therefore, the utility model discloses can the standard system appearance process, it is big to use time long deviation when avoiding the human experience factor to lead to the sample, reduces the human factor influence, and roughness and the speed that pretreatment was polished when improving the screw and detecting the rockwell hardness wholly promote the efficiency that detects the screw rockwell hardness.
Description
Technical Field
The utility model relates to a screw detects technical field, especially relates to a promote frock clamp who detects screw hardness efficiency.
Background
In the mass production of the screw, whether the heat treatment mechanical property of the screw meets the performance grade of the screw needs to be judged quickly and accurately, and the use torque of the screw can be met. Among them, the hardness of the screw is one of the most basic determination principles, and in mass production of screws, the hardness is generally determined by using rockwell hardness.
The Rockwell hardness test is relatively to other hardness tests, and is characterized in that the test operation is simple and rapid, the working efficiency is high, the test force used by the Rockwell hardness test is small, the indentation is shallow, the damage to the workpiece is also shallow, the Rockwell hardness test can be used for detecting semi-finished products and finished products, and the Rockwell hardness test adopts two measuring heads of cone-head diamond and steel balls with different diameters and is also suitable for soft and hard materials. Therefore, the method is simple and rapid to operate, has strong applicability, and is matched with a mass production mode of the screw, so that the Rockwell hardness is generally adopted in screw hardness detection.
Because the Rockwell hardness principle is a method for measuring the depth of an indentation to display the hardness of a material, if a sample is not parallel at two ends and a test end is not flat, the problem of inaccurate data is easy to occur. Therefore, before the Rockwell hardness measurement, the tested end face and the reference end face are required to be relatively parallel, the surface is not provided with concave-convex positions, and the pre-treatment polishing is required to be smooth.
Because all conventional Rockwell hardometers are automatic detection equipment at present, the factors which most influence the accuracy and the speed in the whole Rockwell hardness measurement process of the screw are the process of manufacturing a Rockwell hardness sample of the screw. The conventional rockwell hardness sample preparation pretreatment process of the screw directly polishes on an abrasive belt machine, and the mode of the method is difficult to keep vertical to an abrasive belt when applying force for polishing due to the fact that no fixed datum plane exists, so that the variable quantity is large, the strong dependence on the height of professional skills of operators is easy to appear, and the efficiency is extremely low.
As can be seen, the conventional method has many problems in practical use, and therefore, needs to be improved.
SUMMERY OF THE UTILITY MODEL
To foretell defect, an object of the utility model is to provide a promote frock clamp who detects screw hardness efficiency can standard system appearance process, and it is big to use time length deviation when avoiding the human experience factor to lead to the sample, reduces the human factor influence, and roughness and the speed that the pretreatment was polished when improving the screw and detecting rockwell hardness, the efficiency of whole promotion detection screw rockwell hardness.
In order to realize the above-mentioned purpose, the utility model provides a promote frock clamp who detects screw hardness efficiency, including base, first slider, second slider and be used for the screw anchor clamps of set screw sample, the base be equipped with be used for with the bottom plate fixed connection's of abrasive band machine first link and be used for with first slider fixed connection's second link, the upper and lower both ends of second slider are equipped with first fluting of looks vertically and second fluting respectively, the second slider the second fluting with the sliding montage of first slider, just first fluting with the sliding montage of screw anchor clamps.
According to the tool clamp for improving the hardness efficiency of the detection screw, the first connecting end is perpendicular to the second connecting end so that the base is in an L shape.
According to the tool clamp for improving the efficiency of detecting the hardness of the screw, the upper end face of the first sliding block is provided with the guide rail protruding upwards, and the second groove of the second sliding block is in small clearance fit with the guide rail to be assembled in a sliding mode.
According to the tool clamp for improving the efficiency of detecting the hardness of the screw, the screw clamp comprises an upper screw clamp block and a lower screw clamp block which are fixedly assembled up and down, and the bottom of the lower screw clamp block is matched with the first groove of the second sliding block at a small interval to be assembled in a sliding mode.
According to the tool clamp for improving the efficiency of detecting the hardness of the screw, a through hole is formed in the middle of the joint of the upper screw clamp block and the lower screw clamp block, and a fastening screw used for being screwed into the through hole is arranged on the upper end face of the upper screw clamp block.
According to the tool clamp for improving the hardness efficiency of the detection screw, the upper end face of the second connecting end is provided with at least one mounting hole, one end of the first sliding block is provided with a connecting hole corresponding to the mounting hole, and the connecting hole is fixedly connected with the mounting hole through a fixing screw.
According to the tool clamp for improving the hardness efficiency of the detection screw, the second connecting end is provided with two mounting holes, the first sliding block is provided with two connecting holes, the two connecting holes are respectively arranged into opposite arc-shaped holes, and the two mounting holes are arranged into long holes.
Promote frock clamp that detects screw hardness efficiency, including base, first slider, second slider and be used for the screw anchor clamps of set screw sample, the base be equipped with be used for with the bottom plate fixed connection's of abrasive band machine first link and be used for with first slider fixed connection's second link, the upper and lower both ends of second slider are equipped with the first fluting of looks vertically and second fluting respectively, the second slider the second fluting with the sliding montage of first slider, just first fluting with the sliding montage of screw anchor clamps. Therefore, the utility model discloses can the standard system appearance process, it is big to use time long deviation when avoiding the human experience factor to lead to the sample, reduces the human factor influence, and roughness and the speed that pretreatment was polished when improving the screw and detecting the rockwell hardness wholly promote the efficiency that detects the screw rockwell hardness.
Drawings
Fig. 1 is a schematic perspective view of a tooling fixture for improving the efficiency of detecting the hardness of a screw according to a preferred embodiment of the present invention;
fig. 2 is a structural plan view of the base of the tool clamp for improving the efficiency of detecting the hardness of the screw according to the preferred embodiment of the present invention;
FIG. 3 is a front view of the base of the tool holder according to the preferred embodiment of the present invention for improving the efficiency of detecting the hardness of the screw;
fig. 4 is a structural plan view of the first slider of the tool holder according to the preferred embodiment of the present invention, which improves the efficiency of detecting the hardness of the screw;
fig. 5 is a front view of the first slider of the tool holder according to the preferred embodiment of the present invention for improving the efficiency of detecting the hardness of the screw;
fig. 6 is a front view of the second slider of the tool holder according to the preferred embodiment of the present invention for improving the efficiency of detecting the hardness of the screw;
fig. 7 is a structural side view of the second slider of the tool holder for improving the efficiency of detecting the hardness of the screw according to the preferred embodiment of the present invention;
fig. 8 is a front sectional view of the screw clamp of the tool clamp for improving the efficiency of detecting the hardness of the screw according to the preferred embodiment of the present invention;
fig. 9 is a side sectional view of the screw clamp according to the preferred embodiment of the present invention, which improves the efficiency of detecting the hardness of the screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1-9 show that the utility model discloses preferred embodiment promote frock clamp who detects screw hardness efficiency, including base 10, first slider 20, second slider 30 and be used for the screw anchor clamps 40 of set screw sample, base 10 is equipped with the first link 11 that is used for the bottom plate fixed connection with the abrasive band machine and is used for the second link 12 with first slider 20 fixed connection, the upper and lower both ends of second slider 30 are equipped with the first fluting 301 and the second fluting 302 of looks vertically respectively, the second fluting 302 and the first slider 20 sliding group of second slider 30, and the first fluting 301 and the sliding group of screw anchor clamps 40 are organized. Because the first open slot 301 and the second open slot 302 are vertically distributed, the sliding direction of the second slide block 30 relative to the first slide block 20 is vertically crossed with the sliding direction of the screw clamp 40 relative to the second slide block 30, that is, the screw clamp 40 performs sliding adjustment in a two-dimensional plane established on the basis of the first slide block 20 and the second slide block 30, and the screw clamp 40 can be limited in the two-dimensional plane by fixedly installing the base 10 on the bottom plate of the belt sander, so that unstable offset is avoided; the screw clamp 40 can be adjusted in a sliding manner in the XY-axis polar coordinates established in the sliding direction of the second slot 302 and the first slot 302, and meanwhile, the fixed connection between the base 10 and the belt sander can prevent the first sliding block 20 from deviating towards the Z-axis direction.
The first connecting end 11 and the second connecting end 12 of this embodiment are perpendicular to each other so that the base 10 is L-shaped; the first connecting end 11 is provided with two screw holes 111 for fixedly connecting with a bottom plate of the belt sander, and when the first slider 20 is fixedly connected with the second connecting end 12, the first slider 20 and an abrasive belt of the belt sander are vertically distributed, the second slot 302 of the second slider 30 can slide along the direction of the first slider 20, that is, the screw clamp 40 can slide along the direction of the first slider 20, and simultaneously the screw clamp 40 can also slide in the first slot 301 of the second slider 30; thereby facilitating the selection of the point of polishing with the belt of the belt sander by the screw clamp 40. The upper end surface of the first sliding block 20 is provided with a guide rail 201 protruding upwards, as shown in fig. 4 to 5; the second slot 302 of the second slider 30 is in small clearance fit with the guide rail 201 to be assembled in a sliding manner, and the second slot 302 is installed on the guide rail 201 and is in small clearance fit with the guide rail 201, so that the second slider 30 can slide along the guide rail 201; the direction of the guide rail 201 coincides with the direction of the first slider 20, but may not coincide with the direction. The lower end of the second slide block 30 is matched and connected with the small clearance of the first slide block 20 for ensuring that the second slide block 30 can horizontally move in the track direction of the first slide block 20, the upper end of the second slide block is assembled and connected with the small clearance of the screw clamp 40 for ensuring that the screw clamp 40 can vertically move in the Y-axis direction, the second slide block 40 is structured so that the second slide block can move on the first slide block 30 for ensuring that the grinding position point in the X-axis direction can be selected, meanwhile, a guide rail for the screw clamp 40 to move in the Y-axis direction is provided, the offset of the screw clamp 40 to move in the Y-axis direction is restrained, and the assembly of three components jointly restrains the offset in three aspects of XYZ.
The upper end surface of the second connecting end 12 is provided with at least one mounting hole 121, one end of the first slider 20 is provided with a connecting hole 202 corresponding to the mounting hole 121, and the connecting hole 202 and the mounting hole 121 are fixedly connected through a fixing screw; other means of attachment are of course possible. Preferably, the second connecting end 12 is provided with two mounting holes 121, the first slider 20 is provided with two connecting holes 202, two connecting holes 202 are respectively formed into opposite arc-shaped holes, and two mounting holes 121 are formed into a long hole, so that the first slider 20 can be moved and finely adjusted when being mounted on the base 10, and the accuracy of a polishing position is ensured.
The screw clamp 40 of the present embodiment includes an upper screw clamp block 41 and a lower screw clamp block 42 which are fixedly assembled up and down, and the bottom of the lower screw clamp block 42 is closely spaced and matched with the first slot 301 of the second slider 30 to be slidably assembled. As shown in fig. 8 to 9, a through hole 401 is provided in the middle of the joint of the screw clamp upper block 41 and the screw clamp lower block 42, and a fastening screw 402 for screwing into the through hole 401 is provided on the upper end surface of the screw clamp upper block 41. The screw sample is pressed and fixed by placing the screw sample in the through hole 401 and screwing the fastening screw 402 from the top of the screw clamp upper block 41, and then by adjusting the polishing point position of the screw clamp 40. The screw clamp upper block 41 and the screw clamp lower block 42 are fixed in a screwed manner, and the screw clamp upper block 41 is further provided with two fastening screws to be screwed into the screw clamp lower block 42 for connection. The lower end of the screw clamp upper block 41 is provided with a semicircular groove according to the outer diameter of the screw, so that a Rockwell hardness sample of the screw can be conveniently placed; the upper end of the lower screw clamp block 42 is provided with threaded holes at two ends which are in threaded connection with the upper screw clamp block 41, the middle part is provided with a V-shaped groove for placing screws, and the lower end is in small clearance fit with the first open groove 301 of the second sliding block 30. The screw clamp 40 is used for fixing a screw sample, integrates the screw sample with the screw sample in Rockwell hardness, and freely moves in the Y-axis direction to ensure that the grinding force is applied to the abrasive belt during grinding. The first sliding block 20 and the second sliding block 30 are assembled and connected in a small gap mode, so that the Y-axis direction is limited, and the polishing position on the abrasive belt is selected in the X-axis direction on the basis that the screw sample is not affected by the Y-axis variable; the second sliding block 30 is connected with the guide rail 201 of the first sliding block 20 by a small gap according to a structure with grooves at two ends, and the screw clamp 40 is assembled and connected by a small gap at one end, so that the X-axis direction is limited, and the polishing force is applied in the Y-axis direction on the basis that the screw sample is not influenced by the X-axis direction; the screw clamp 40 is fixed integrally with the screw rockwell hardness test sample in a threaded manner.
To sum up, promote frock clamp that detects screw hardness efficiency, including base, first slider, second slider and be used for the screw anchor clamps of set screw sample, the base be equipped with be used for with the bottom plate fixed connection's of abrasive band machine first link and be used for with first slider fixed connection's second link, the upper and lower both ends of second slider are equipped with first fluting of looks vertically and second fluting respectively, the second slider the second fluting with the sliding montage of first slider, just first fluting with the sliding montage of screw anchor clamps. Therefore, the utility model discloses can be effectual when preparation screw rockwell hardness sample to its structure is spacing respectively on XYZ axle, and restraint and restriction all directions's variable reduces and relies on operating personnel skill level and empirical factor, avoids polishing uneven influence measuring result, promotes the speed of preparation screw rockwell hardness sample, thereby wholly promotes the speed and the degree of accuracy that bolt rockwell hardness detected.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (7)
1. The utility model provides a promote frock clamp who detects screw hardness efficiency which characterized in that, including base, first slider, second slider and be used for the screw anchor clamps of set screw sample, the base be equipped with be used for with the bottom plate fixed connection's of abrasive band machine first link and be used for with first slider fixed connection's second link, the upper and lower both ends of second slider are equipped with mutually perpendicular first fluting and second fluting respectively, the second of second slider fluting with first slider slip montage, just first fluting with screw anchor clamps slip montage.
2. The tool clamp for improving the efficiency of detecting the hardness of the screw according to claim 1, wherein the first connecting end is perpendicular to the second connecting end so that the base is in an L shape.
3. The tool clamp for improving the efficiency of detecting the hardness of the screw according to claim 1, wherein a guide rail protruding upwards is arranged on the upper end face of the first sliding block, and the second groove of the second sliding block is in small clearance fit with the guide rail to be assembled in a sliding mode.
4. The tool clamp for improving the efficiency of detecting the hardness of the screw according to claim 1, wherein the screw clamp comprises an upper screw clamp block and a lower screw clamp block which are fixedly assembled up and down, and the bottom of the lower screw clamp block is in small-interval fit with the first groove of the second sliding block to be assembled in a sliding manner.
5. The tool clamp for improving the efficiency of detecting the hardness of the screw according to claim 4, wherein a through hole is formed in the middle of the joint of the upper screw clamp block and the lower screw clamp block, and a fastening screw for being screwed into the through hole is arranged on the upper end face of the upper screw clamp block.
6. The tool clamp for improving the efficiency of detecting the hardness of the screw according to claim 1, wherein at least one mounting hole is formed in the upper end face of the second connecting end, a connecting hole corresponding to the mounting hole is formed in one end of the first sliding block, and the connecting hole and the mounting hole are fixedly connected through a fixing screw.
7. The tool clamp for improving the efficiency of detecting the hardness of the screw according to claim 6, wherein the second connecting end is provided with two mounting holes, the first sliding block is provided with two connecting holes, the two connecting holes are respectively provided with opposite arc-shaped holes, and the two mounting holes are provided with long holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971312.5U CN210790626U (en) | 2019-06-26 | 2019-06-26 | Tool clamp for improving hardness detection efficiency of screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971312.5U CN210790626U (en) | 2019-06-26 | 2019-06-26 | Tool clamp for improving hardness detection efficiency of screw |
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| Publication Number | Publication Date |
|---|---|
| CN210790626U true CN210790626U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920971312.5U Active CN210790626U (en) | 2019-06-26 | 2019-06-26 | Tool clamp for improving hardness detection efficiency of screw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188891A (en) * | 2021-05-08 | 2021-07-30 | 大唐东北电力试验研究院有限公司 | Device and method for accurately measuring hardness of bolts in thermal power plant |
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2019
- 2019-06-26 CN CN201920971312.5U patent/CN210790626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188891A (en) * | 2021-05-08 | 2021-07-30 | 大唐东北电力试验研究院有限公司 | Device and method for accurately measuring hardness of bolts in thermal power plant |
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