CN113720233B - Device for measuring size of cuboid inclined plane - Google Patents
Device for measuring size of cuboid inclined plane Download PDFInfo
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- CN113720233B CN113720233B CN202110958487.4A CN202110958487A CN113720233B CN 113720233 B CN113720233 B CN 113720233B CN 202110958487 A CN202110958487 A CN 202110958487A CN 113720233 B CN113720233 B CN 113720233B
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- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a device for measuring the size of a cuboid inclined plane, belonging to the technical field of machining; comprising the following steps: a height rough adjusting mechanism (A), an angle adjusting mechanism (B), a measuring block leveling mechanism (C), a measuring mechanism (D) and a zeroing mechanism (E); the height coarse adjustment mechanism coarsely adjusts the distance between the top plate and the bottom plate according to the height of the part; the angle adjusting mechanism obtains the angle of the part by adjusting a supporting guide rail on the bottom plate; the leveling mechanism adjusts the measuring block to be parallel to the standard block; the measuring mechanism is used for obtaining a part height value after the measuring block is tightly contacted with the part; the zero setting mechanism is used for setting the scale to zero before measurement after leveling through rough height adjustment, angle adjustment and measurement block; the height rough adjusting mechanism is respectively connected with the angle adjusting mechanism, the measuring block leveling mechanism and the zeroing mechanism, and the measuring mechanism is connected with the leveling mechanism. Compared with the prior art, the device has the effects of simple operation process, wide application range (different part specifications can be detected) and high working efficiency.
Description
Technical Field
The invention relates to a dimension measuring device, in particular to a device for measuring the dimension of a cuboid inclined plane, and belongs to the technical field of machining.
Background
At present, the measurement of the inclined plane on the wedge-shaped parts of various types is realized, because the inclined plane of the part has higher dimensional accuracy, and after the part is processed into a finished product, the size head of the part is processed, the angle of the part and the size of the large end of the inclined plane cannot be measured by a conventional measuring tool (vernier caliper, angle gauge and the like), as shown in fig. 1, the structure schematic diagram of the wedge-shaped part is a wedge-shaped part structure schematic diagram, and the part is further processed according with the requirements of the part on the basis of the size of a wedge-shaped standard block shown in fig. 2; therefore, a special measuring device is required to be designed and manufactured to measure the inclined plane and the size of the large head of the part.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a device for measuring the size of a cuboid inclined plane, which can be used for detecting whether the inclined plane heights and angles of wedge-shaped parts with different specifications are qualified or not and measuring specific numerical values.
The aim of the invention is achieved by the following technical scheme.
An apparatus for cuboid ramp dimension measurement, comprising: the device comprises a height rough adjusting mechanism, an angle adjusting mechanism, a measuring block leveling mechanism, a measuring mechanism and a zeroing mechanism;
the height coarse adjustment mechanism is used for coarse adjustment of the distance between the top plate and the bottom plate of the device according to the height of the part;
the angle adjusting mechanism is used for obtaining the inclined plane angle value of the part by adjusting the angle of an element supporting the inclined plane of the part on the bottom plate;
the measuring block leveling mechanism is used for adjusting the measuring block arranged on the lower plane of the top plate to enable the lower plane of the measuring block to be parallel to the upper plane of the standard block of the part;
the measuring mechanism is used for obtaining the height value of the part after the measuring block is tightly contacted with the part;
the zeroing mechanism is used for zeroing the scale on the device before measurement after leveling through rough height adjustment, angle adjustment and measurement block;
the height rough adjusting mechanism is respectively connected with the angle adjusting mechanism, the measuring block leveling mechanism and the zeroing mechanism, and the measuring mechanism is connected with the measuring block leveling mechanism.
Preferably, the height coarse adjustment mechanism utilizes the four-bar linkage principle, and the distance between the top plate and the bottom plate is adjusted in a coarse step by pushing and pulling the push-pull screw and combining the height of the parts.
Preferably, the height coarse adjustment mechanism comprises a bottom plate, a top plate, a push-pull screw, a roller shaft, rollers, a sliding block and a bracket; the bottom plate with the roof is through distributing in the rotatable connection of two pairs of supports of both sides, wherein every alternately rotatable connection to the support, the roller shaft both ends respectively cup joint a gyro wheel after adorn in the bottom plate front end, the roller shaft both sides respectively with a support lower extreme rotatable connection, 2 sliders slidable mounting respectively in roof both sides front end, every slider respectively with a support upper end rotatable connection, push-and-pull screw rod fixed connection is in the roller shaft, can drive the roller shaft back-and-forth movement.
Preferably, the fixed connection is through pin connection, the rotatable connection is through pin connection, and the sliding connection is a T-shaped groove connection formed in the top plate by placing the sliding block on the top plate.
Preferably, the rollers are arranged in roller grooves formed in the bottom plate, two ends of the roller shaft are arranged in long grooves on two side surfaces of the bottom plate, and one end of the push-pull screw rod, which is far away from the roller shaft, is movably connected with the vertical plate at the rear end of the bottom plate.
Preferably, the angle adjusting mechanism comprises a supporting guide rail, an adjusting screw, a fastening screw and an index; the support guide rail is used for tightly fitting and supporting part inclined planes through adjusting the angle between the support guide rail and the bottom plate, the middle part of the support guide rail is rotatably connected to the bottom plate, the flange of the bottom plate above the connecting shaft is fixedly connected with the index, the scale on the support guide rail is read through the index indication arrow to obtain the angle of the part inclined planes, the support guide rail is adjusted to the angle between the support guide rail and the bottom plate through adjusting screws arranged on the support guide rail and positioned on two sides of the connecting shaft, and the support guide rail is locked on the bottom plate after the angle is adjusted in place through the fastening screws.
Preferably, the connection part of the index and the bottom plate flange is adjustable, so that the inclined planes of parts with different specifications can be conveniently measured.
Preferably, the measuring block leveling mechanism includes: the measuring block comprises a measuring block support, a fastening screw, a measuring knob, an adjusting screw and a measuring block; the measuring block support is hoisted on the top plate through a fastening screw, the leveling mechanism level of the measuring block is adjusted through an adjusting screw arranged on the top plate and propped against the upper plane of the measuring block support, and the measuring knob passes through a threaded hole on the measuring block support to be connected with the measuring block through a pin
Preferably, the measuring mechanism includes: a first scale block and a second scale block; the first scale block is fixedly arranged on the measuring block, the second scale block is fixedly arranged on the measuring block support, and corresponding relative displacement is generated along with the position change between the measuring block support and the measuring block.
Preferably, the zeroing mechanism comprises a positioning screw and a locking nut; the positioning screw is arranged in a threaded hole on the vertical plate at the rear end of the bottom plate, the standard block for adjusting the part is arranged at the front and rear positions in the measuring device, and the locking nut is used for locking the positioning screw after the position of the standard block is adjusted.
Advantageous effects
Compared with the prior art, the device can easily obtain the conclusion of whether the part is qualified or not through the angle and the height indication value according to the error requirement of the part, and can further obtain the specific error value of the part, so that the measurement accuracy is high, and a user can further process the part. The device has the advantages of simple operation process, wide application range (detection of different part specifications) and high working efficiency.
Drawings
FIG. 1 is a schematic perspective view of the device of the present invention; wherein, (a) is a front top view and (b) is a rear bottom view;
FIG. 2 is a schematic diagram of the structure of a part to be tested;
FIG. 3 is a schematic diagram of a standard block structure;
FIG. 4 is a schematic diagram of a highly gross adjustment mechanism;
FIG. 5 is a schematic diagram of a base plate structure;
FIG. 6 is a schematic view of a top plate structure;
FIG. 7 is a schematic view of a roller axle with rollers;
FIG. 8 is a schematic view of a push-pull screw structure;
FIG. 9 is a schematic diagram of a slider structure;
FIG. 10 is a schematic view of an angle adjusting mechanism;
FIG. 11 is a schematic view of a support rail structure;
FIG. 12 is a schematic diagram of a pointer structure;
FIG. 13 is a schematic diagram of a measurement block leveling mechanism;
FIG. 14 is a schematic view of a leveling mechanism with a top plate;
FIG. 15 is a schematic view of a measurement block support structure;
FIG. 16 is a schematic diagram of a measurement block structure;
FIG. 17 is a schematic view of a measurement knob;
FIG. 18 is a schematic diagram of a measuring mechanism;
FIG. 19 is a schematic view of a first scale block structure;
FIG. 20 is a schematic view of a second scale block structure;
FIG. 21 is a schematic diagram of a zeroing mechanism;
FIG. 22 is a schematic view of a part measurement height reading;
FIG. 23 is a schematic view of a part measurement angle reading;
reference numerals: a-height coarse adjustment mechanism, B-angle adjustment mechanism, C-measuring block leveling mechanism, D-measuring mechanism, E-zeroing mechanism, 1-bottom plate, 2-top plate, 3-push-pull screw, 4-roller shaft, 5-roller, 6-pin shaft, 7-slider, 8-bracket, 12-pin, 13-supporting guide rail, 14-adjusting screw, 15-fastening screw, 16-index, 17-index screw, 19-measuring block support, 21-measuring knob, 23-measuring block, 25-first scale block, 26-second scale block, 28-positioning screw, 29-locking nut.
Detailed Description
For the purpose of illustrating the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Embodiments of the present invention will be described below with reference to wedge-shaped elements as shown in fig. 2, as shown in fig. 3 as standard blocks of its external profile dimensions.
Example 1
As shown in fig. 1, an apparatus for measuring the size of a rectangular parallelepiped slope includes: the device comprises a height rough adjusting mechanism A, an angle adjusting mechanism B, a measuring block leveling mechanism C, a measuring mechanism D and a zeroing mechanism E;
1. a height coarse adjustment mechanism A for coarse-step adjusting the distance between the top plate and the bottom plate of the device according to the height of the part;
2. the angle adjusting mechanism B is used for obtaining the inclined plane angle value of the part by adjusting the angle of an element supporting the inclined plane of the part on the bottom plate;
3. the measuring block leveling mechanism C is used for adjusting the measuring block arranged on the lower plane of the top plate to enable the lower plane of the measuring block to be parallel to the upper plane of the standard block of the part;
4. the measuring mechanism D is used for obtaining the height value of the part after the measuring block is tightly contacted with the part;
5. and the zeroing mechanism E is used for zeroing the scale on the device before measurement after rough height adjustment, angle adjustment and leveling of the measuring block.
The height rough adjusting mechanism A is respectively connected with the angle adjusting mechanism B, the measuring block leveling mechanism C and the zeroing mechanism E, and the measuring mechanism D is connected with the measuring block leveling mechanism C.
1. As a preferred implementation mode of the height coarse adjustment mechanism A, the distance between the top plate and the bottom plate is adjusted in a coarse step by pushing and pulling of the push-pull screw and combining the height of the parts by utilizing the four-bar linkage principle. The specific structure is shown in fig. 4, and comprises: the device comprises a bottom plate 1, a top plate 2, a push-pull screw 3, a roller shaft 4, rollers 5, a sliding block 7 and a bracket 8;
the bottom plate 1 and the top plate 2 are rotatably connected through two pairs of brackets 8 distributed on two sides, wherein each pair of brackets 8 are in cross rotatable connection, two ends of the roller shaft 4 are respectively sleeved with one roller 5 and then are arranged at the front end of the bottom plate 1, two sides of the roller shaft 4 are respectively and rotatably connected with the lower ends of one bracket 8, 2 sliding blocks 7 are respectively and slidably arranged at the front ends of two sides of the top plate 2, each sliding block 7 is respectively and rotatably connected with the upper ends of one bracket 8, and the push-pull screw 3 is fixedly connected with the roller shaft 4 and can drive the roller shaft 4 to move back and forth.
Further, for the convenience of implementation, the fixed connection is connected through a pin 12, the rotatable connection is connected through a pin shaft, and the sliding connection is a T-shaped groove connection for placing the slider 7 on the top plate 2. Furthermore, the connection of the push-pull screw 3 and the roller shaft 4 by means of the pin 12 has the advantage that not only is the position of the two relatively fixed, but also the push-pull screw 3 is freely rotatable relative to the roller shaft 4.
Further, in order to improve the stability of the forward and backward movement of the roller shaft 4 and the alignment limit, the roller 5 is disposed in a roller groove formed in the bottom plate 1, two ends of the roller shaft 4 are mounted in long grooves on two sides of the bottom plate 1, and one end of the push-pull screw 3, which is far away from the roller shaft 4, is movably connected with a vertical plate at the rear end of the bottom plate 1. The threaded connection is preferred, on the one hand, the displacement of the roller shaft 4 in forward and backward directions can be finely controlled, and on the other hand, the roller shaft can be prevented from moving forward and backward after the position is adjusted.
When the rotary push-pull screw rod 3 moves forwards, the roller shaft 4 and the sliding block 7 move forwards, the included angle alpha of the bracket is increased, the distance between the top plate and the bottom plate is reduced, and conversely, the distance between the top plate and the bottom plate is increased; in this way, the distance between the top plate 2 and the bottom plate 1 can be adjusted according to the height of the parts.
The preferable bottom plate structure is shown in fig. 5, the top plate structure is shown in fig. 6, the roller shaft structure with rollers is shown in fig. 7, the push-pull screw structure is shown in fig. 8, and the slide block structure is shown in fig. 9;
2. as a preferred implementation of the angle adjustment mechanism B, as shown in fig. 10, it includes: a support rail 13, an adjusting screw 14, a fastening screw 15, and an index 16; the supporting guide rail 13 is used for tightly fitting and supporting the inclined plane of the part by adjusting the angle between the supporting guide rail and the bottom plate 1, and the middle part of the supporting guide rail 13 is rotatably connected with the bottom plate 1, preferably through a pin shaft 18, so that the supporting guide rail can rotate on the bottom plate 1 within a certain range by taking the pin shaft 18 as the center, and the angle is adjusted to be consistent with the angle of the inclined plane of the part; the index 16 is mounted on the flange of the base plate 1 and is used for indicating the angle between the support guide rail 13 and the base plate 1, is preferably movably connected with the flange of the base plate 1, and is further preferably fixed on the base plate 1 through index screws 17; the index 16 is further arranged for connecting the hole of the bottom plate 1 through the index screw 17 to be a bar-shaped hole so as to adjust the fixed position of the part to be tested according to the angle of the part to be tested; a preferred index 16 configuration is shown in fig. 12, which is a hollow arc pointed head-pointing configuration; as shown in fig. 11, the support rail 13 is a frame structure, and the bottom shape ensures that the support rail does not interfere with the push-pull structure of the coarse height adjustment mechanism a after being mounted on the base plate 1; the adjusting screws 14 penetrate through four stepped threaded holes on the guide surface of the supporting guide rail 13, the head of each screw is propped against the upper plane of the bottom plate 1, and the angle between the supporting guide rail 13 and the bottom plate 1 can be adjusted by rotating the four adjusting screws 14. The fastening screws 15 penetrate through four elliptical light holes in the support guide rail 13 and are screwed into corresponding threaded holes of the bottom plate 1, and after the angle between the support guide rail 13 and the bottom plate 1 is adjusted, the support guide rail 13 and the bottom plate 1 are fastened by tightening the fastening screws 15. The elliptical holes are arranged to enable the positions of the screws to be adjusted according to the angle change; the purpose of the stepped threaded hole is to prevent interference with the part and ensure close contact with the support surface of the support rail 13. Four adjusting screws 14 and four fastening screws 15 are respectively arranged, and four points are connected to form a rectangle, so that the stability of the structure is improved, and the number is preferable. A boss structure can be further arranged on a boss on one side of the supporting guide rail 13, the side face of the boss structure is used as a positioning face of the measuring device, and parts or standard blocks are tightly attached to the boss structure during measurement, so that the using convenience of measurement is improved.
3. As a preferred implementation of the measuring block leveling mechanism C, as shown in fig. 13, includes: a measuring block support 19, a fastening screw 15, a measuring knob 21, an adjusting screw 14, a measuring block 23 and a pin 12;
the measuring block support 19 is provided with a measuring block 23 and a measuring knob 21, and the measuring knob 21 passes through a threaded hole on the measuring block support 19 and is connected with the measuring block 23 through a pin 12, so that the distance between the measuring block support 19 and the measuring block 23 can be adjusted through rotation, and the measuring block 23 is not driven to rotate; the fastening screw 15 is provided with four pieces, penetrates through an elliptical hole on the top plate and is screwed into a threaded hole on the measuring block support 19 to connect the top plate 2 with the measuring block support 19; the adjusting screw 14 has three parts, penetrates through the threaded hole of the top plate 2 and is propped against the upper plane of the measuring block support 19, so as to adjust the measuring block 23 to the horizontal position. As shown in fig. 14, the measuring knob 21 is used to adjust the measuring block 23 and the measuring block support 19 to a certain gap (2-3 mm) for the subsequent zeroing and measuring, and the leveling mechanism is arranged below the top plate 2, and the fastening screw 15 is hung below the top plate 2 before fastening with the top plate 2, so that the fastening screw 15 and the adjusting screw 14 cooperate to adjust when leveling, and the fastening screw 15 is fastened after leveling.
Further, in order to improve the stability of the structure, as shown in fig. 15, the measuring block support 19 has a door-shaped structure, and a groove is formed in a side leg to serve as a slide way when the measuring block 23 moves up and down, so that the moving process of the measuring block 23 is limited; meanwhile, as shown in fig. 16, a carrying pole structure with two flat plates of a measuring block 23 is arranged, the two flat plates are respectively matched with side legs of a measuring block support 19, two ends of the carrying pole structure can respectively slide up and down in two grooves of the measuring block support 19, a hole in the middle of the carrying pole structure is connected with the measuring block support 19 through a measuring knob 21, and the carrying pole structure is fixed through a pin 12.
The measuring knob 21 is structured as shown in fig. 17.
4. As a preferred implementation of the measuring mechanism D, as shown in fig. 18, it includes: a first scale block 25, a second scale block 26; the first scale block 25 is fixed on the measuring block 23, the second scale block 26 is fixed on the measuring block support 19, and the first scale block and the second scale block generate corresponding relative displacement along with the position change between the measuring block support 19 and the measuring block 23, and are similar to an upper scale block and a lower scale block on a vernier caliper.
The measuring mechanism is matched with a measuring knob and a measuring block of the leveling mechanism for use; preferably, the first graduation track 25 is fastened to the measuring block 23 by a fastening screw 15, and the second graduation track 26 is fastened to the measuring block support 19 by a fastening screw 15. The measuring knob 21 is rotated to bring the measuring block 23 into close contact with the measured part, and the height of the measured part is read from the scale block.
As an alternative to the first scale block 25, a construction is shown in fig. 19; the second scale block 26 may alternatively be configured as shown in fig. 20. Those skilled in the art will recognize that the present invention is not limited to this type of structure, and may be any structure capable of measuring the relative displacement between the measuring block 23 and the measuring block support 19, such as a scale of the second scale block 26 directly inscribed on the measuring block support 19, and the measuring block 23 is integrally provided with a side scale.
5. As a preferred implementation of the zeroing mechanism D, as shown in fig. 21; comprising the following steps: a set screw 28 and a lock nut 29; the device is matched with the measuring device D of the invention for use during the working;
wherein, the positioning screw 28 is arranged in a threaded hole on the vertical plate at the rear end of the bottom plate 1 and is used for adjusting the front and rear positions of the standard block of the part in the measuring device; the adjustment process comprises the following steps: the position of the standard block is adjusted, the measuring knob 21 is rotated to zero the scale on the measuring block 23, meanwhile, the measuring block 23 is tightly attached to the standard block, the locating surface of the locating screw 28 is tightly attached to the small end surface of the standard block, and the locking nut 29 is used for locking the locating screw 28 with the adjusted position.
The using method of the structure comprises the following steps:
1. adjusting the distance between the top plate and the bottom plate of the measuring device: the top plate and the bottom plate of the traditional measuring device are rigidly connected with each other by using a stand column and cannot be adjusted, the connecting mode of the traditional measuring device is changed, the four connecting rods are hinged with the top plate and the bottom plate by using a pin shaft, the distance between the top plate 2 and the bottom plate 1 is roughly adjusted by pushing and pulling the push-pull screw 3 and combining the height of parts, and the measuring device is shown in the attached figure 4;
2. and (3) angle adjustment: the angle between the supporting guide rail 13 and the bottom plate 1 is adjusted to be consistent with the angle of the standard block by rotating the adjusting screw 14, the standard block is fastened by the fastening screw 15, the index screw 17 is loosened, and the index screw 17 is screwed after the fingertips of the index 16 are aligned with the scale of 0, see fig. 10;
3. leveling a measuring block: before leveling, the measuring knob 21 is used for adjusting the measuring block 23 and the measuring block support 19 to a certain gap (2-3 mm) for later measurement. When leveling, the standard block is placed on the guide surface of the measuring device, the inclined surface is downward, the small end is inward, the side surface is tightly attached to the positioning surface of the measuring device, the contact surface of the measuring block 23 and the standard block is adjusted to be parallel by adjusting three adjusting screws on the top plate, the measuring block 23 is required to be tightly attached to the standard block, and the attaching surface of the measuring block 23 and the standard block is not communicated with each other by a 0.02mm micrometer sheet. After leveling, fastening the top plate 2 and the leveling mechanism C by using a fastening screw, see fig. 13;
4. setting the scale to zero: when the scale is zero, the standard block is placed on the supporting guide surface of the measuring device, the inclined surface is downward, the small end is inward, the side surface is tightly attached to the positioning surface of the measuring device, the standard block is moved back and forth (when the standard block is close to the positioning screw positioning surface, the distance between the standard block and the measuring block 23 is reduced, when the standard block is far away from the positioning screw positioning surface, the distance between the standard block and the measuring block 23 is increased), meanwhile, the measuring knob 21 is rotated, the scale on the scale block is zeroed, meanwhile, the measuring block is tightly attached to the standard block, the 0.02mm micrometer gauge is required to not pass through the attaching surface of the standard block, then the position of the standard block is kept still, the positioning screw 28 is rotated, and after the positioning screw positioning surface is tightly attached to the small end surface of the standard block, the positioning screw 28 is locked by the locking nut 29. (see FIG. 21)
5. Measuring the size of a part: the measured part is placed into a measuring device according to the requirement of zero adjustment and standard block placement, the small end surface of the measured part is propped against the positioning surface of a positioning screw, a measuring knob 21 is adjusted, the measured part is adjusted to be tightly attached to the upper plane of the measured part, a gap between the measuring block and the upper plane of the part is plugged by a 0.02mm micrometer, if the measured part can be plugged locally, an adjusting screw on a supporting guide rail is adjusted until the whole contact surface is not plugged, the height of the inclined plane of the measured part is read from scales on a measuring block and a measuring block support, and the angle of the inclined plane of the measured part is read from scales on a bottom plate and a rotating part of the supporting guide rail. (see FIG. 22, FIG. 23)
Height dimension of part = standard block calibration dimension ± measuring block, scale value on measuring block support
Indicating value of scale of angle size = standard block calibration angle + -index of part on side surface of supporting guide rail
The process described above measures the height of the small end of the part, from which the height of the large end of the part can be converted from the angle of the part. Of course, according to the principle, two scale blocks can be arranged on the other symmetrical side, so that the height of the large end of the part can be directly obtained, or the part can be reversely placed when in use. In summary, several variations of the device may be made based on the principles of the present invention, and the use of front/back/left/right etc. in describing the structure of the device should not be taken as limiting the invention.
By the aid of the device, a conclusion of whether the part is qualified or not can be easily obtained through the angle and the height indication value according to the error requirement of the part, and meanwhile, a specific error value of the part can be further obtained, so that the part is further processed. The device has the advantages of simple operation process, wide application range (detection of different part specifications) and high working efficiency.
For the purpose of illustrating the invention and its embodiments, specific examples are given herein. The details are not included in the examples to limit the scope of the claims but to aid in understanding the invention. Those skilled in the art will appreciate that: various modifications, changes, or substitutions of the preferred embodiment steps are possible without departing from the spirit and scope of the invention and the appended claims. Therefore, the present invention should not be limited to the preferred embodiments and the disclosure of the drawings.
Claims (5)
1. A device for cuboid inclined plane size measurement for detect different specification wedge part inclined plane height and angle, its characterized in that: comprising the following steps: a height rough adjusting mechanism (A), an angle adjusting mechanism (B), a measuring block leveling mechanism (C), a measuring mechanism (D) and a zeroing mechanism (E);
a height coarse adjustment mechanism (A) for coarse-step adjustment of the distance between the top plate (2) and the bottom plate (1) of the device according to the height of the part;
the angle adjusting mechanism (B) comprises a supporting guide rail (13), an adjusting screw (14), a fastening screw (15) and an index (16); the supporting guide rail (13) is used for tightly fitting and supporting the inclined surface of the part by adjusting the angle between the supporting guide rail and the bottom plate (1), the middle part of the supporting guide rail (13) is rotatably connected to the bottom plate (1), the flange of the bottom plate (1) on the connecting shaft is fixedly connected with the index (16), the index (16) indicates the arrow to read the scale on the supporting guide rail (13) to obtain the inclined surface angle of the part, the supporting guide rail (13) is used for adjusting the angle between the supporting guide rail and the bottom plate (1) through adjusting screws (14) arranged on two sides of the connecting shaft, and the supporting guide rail (13) is locked on the bottom plate (1) after the angle is adjusted in place through the fastening screws (15);
the measuring block leveling mechanism (C) is used for adjusting a measuring block (23) arranged on the lower plane of the top plate (2) so that the lower plane of the measuring block is parallel to the upper plane of the standard block of the part; the measuring block leveling mechanism (C) includes: a measuring block support (19), a fastening screw (15), a measuring knob (21), an adjusting screw (14) and a measuring block (23); the measuring block support (19) is hoisted on the top plate (2) through a fastening screw (15), the measuring block support (19) is adjusted to be horizontal through an adjusting screw (14) arranged on the top plate (2) and propped against the upper plane of the measuring block support (19), and a measuring knob (21) passes through a threaded hole on the measuring block support (19) to be connected with a measuring block (23) through a pin (12);
a measuring mechanism (D) for obtaining a height value of the part by adjusting the measuring block (23) to be in close contact with the part; the measuring mechanism (D) comprises: a first scale block (25) and a second scale block (26); the first scale block (25) is fixed on the measuring block (23), the second scale block (26) is fixed on the measuring block support (19), and corresponding relative displacement is generated along with the position change between the measuring block support (19) and the measuring block (23);
the zero setting mechanism (E) is used for setting the scale on the device to zero before measurement after leveling by using the standard block through rough height adjustment and angle adjustment and the measurement block; the zeroing mechanism (E) comprises a positioning screw (28) and a locking nut (29); the positioning screw (28) is arranged in a threaded hole on the vertical plate at the rear end of the bottom plate (1) and used for adjusting the front and rear positions of a standard block of a part in the measuring device, and the locking nut (29) is used for locking the positioning screw (28) after the position of the standard block is adjusted;
the height rough adjusting mechanism (A) is respectively connected with the angle adjusting mechanism (B), the measuring block leveling mechanism (C) and the zeroing mechanism (E), and the measuring mechanism (D) is connected with the measuring block leveling mechanism (C).
2. The apparatus according to claim 1, wherein: the height coarse adjustment mechanism (A) utilizes the four-bar linkage principle, and the distance between the top plate (2) and the bottom plate (1) is adjusted in a coarse step by pushing and pulling of a push-pull screw and combining the height of a part;
the height coarse adjustment mechanism (A) comprises a bottom plate (1), a top plate (2), a push-pull screw (3), a roller shaft (4), rollers (5), a sliding block (7) and a bracket (8); the bottom plate (1) with roof (2) are through distributing in two pairs of support (8) rotatable coupling of both sides, and wherein every is to alternately rotatable coupling, and roller (4) both ends cup joint a gyro wheel (5) respectively after adorn in bottom plate (1) front end, roller (4) both ends respectively with a support (8) lower extreme rotatable coupling, 2 slider (7) slidable mounting respectively in roof (2) both sides front end, every slider (7) respectively with a support (8) upper end rotatable coupling, push-and-pull screw (3) fixed connection are in roller (4) can drive roller (4) fore-and-aft movement.
3. The apparatus according to claim 2, wherein: the fixed connection is connected through a pin (12), the rotatable connection is connected through a pin shaft (6), and the sliding block (7) is arranged in a T-shaped groove formed in the top plate (2) and is in sliding connection.
4. A device according to claim 3, characterized in that: in order to improve the stability of the front-back movement of the roller shaft (4) and the alignment limit, the roller (5) is arranged in a roller groove formed in the bottom plate (1), two ends of the roller shaft (4) are arranged in long grooves on two side surfaces of the bottom plate (1), and one end of the push-pull screw rod (3) away from the roller shaft (4) is movably connected with a vertical plate at the rear end of the bottom plate (1).
5. The apparatus according to claim 4, wherein: the connection part of the index (16) and the flange of the bottom plate (1) can be adjusted so as to conveniently measure the inclined planes of parts with different specifications.
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| CN202110958487.4A CN113720233B (en) | 2021-08-20 | 2021-08-20 | Device for measuring size of cuboid inclined plane |
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| CN202110958487.4A CN113720233B (en) | 2021-08-20 | 2021-08-20 | Device for measuring size of cuboid inclined plane |
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| CN113720233B true CN113720233B (en) | 2023-10-31 |
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