CN216745887U - Multi-angle measurement comparator - Google Patents

Abstract

The utility model relates to the field of workpiece measurement, and discloses a multi-angle measurement comparator which comprises a comparator seat, wherein a lifting screw rod is arranged on the comparator seat, a comparator rack is sleeved on the lifting screw rod, a fixing bolt I with fixed height is arranged on the lifting screw rod of the comparator rack, a screw rod nut for supporting the comparator rack is matched on the lifting screw rod, a rotatable comparison measuring head is arranged at one end, far away from the lifting screw rod, of the comparator rack, a fixing bolt I with fixed rotation is fixedly arranged between the comparison measuring head and the comparator rack, a micrometer is inserted into the comparison measuring head, and a fixing bolt II for fixing the micrometer is arranged on the comparison measuring head; be equipped with the workstation that can move on the comparator seat, the both ends of workstation are fixed and are equipped with the fixed plate, are equipped with the limiting plate of sliding connection both ends fixed plate on the workstation. The utility model has the following advantages and effects: the micrometer head can measure the complex part of the workpiece through a rotating angle, and the workbench can determine and fix the position of the workpiece to ensure that the measurement is more accurate.

Description

A multi-angle measurement comparator

technical field

The utility model relates to the technical field of machining measurement, in particular to a multi-angle measurement comparator.

Background technique

The comparator is a length measuring tool that uses the relative method to measure, mainly composed of a micrometer and a comparator base. When measuring, first grind and combine the measuring blocks to form a measuring block group equal to the basic size to be measured, and then use this measuring block group to make the micrometer pointer point to zero, and then replace the workpiece to be measured. Measured size deviation value. At present, the mechanical comparator can only measure the thickness and outer diameter of the workpiece, but the workpiece always has parts that are difficult to measure. Proximity, which can only be measured by other means.

Utility model content

The purpose of the utility model is to provide a multi-angle measurement comparator, which has the effect of multi-angle measurement of workpieces.

The above technical purpose of the present utility model is achieved through the following technical solutions: a multi-angle measurement comparator, comprising a comparator base, a lifting screw is arranged on the comparator base, and the comparator frame is located in the lift One end of the lead screw is provided with a fixing bolt for fixing the height, and the lifting lead screw is matched with a lead screw nut, and the lead screw nut supports the lower part of the comparator frame, and it is characterized in that the comparator frame is far away from the One end of the lift screw is rotatably connected with a comparison measuring head, the comparison measuring head is provided with a fixed screw that is fixed and rotated on the comparator frame, and a micrometer is inserted into the comparison measuring head, and the comparison measuring head is connected with a micrometer. The measuring head is provided with two fixing bolts for fixing the micrometer; the comparator base is provided with a worktable that can move horizontally, and the two ends of the worktable in the moving direction are fixed with fixing plates. There is a limit plate slidingly connected with the fixed plates at both ends, and the movement direction of the limit plate is perpendicular to the movement direction of the worktable.

By adopting the above technical solution, when measuring the outer groove of a workpiece or the inner and outer protrusions of the workpiece, the workpiece is placed on the workbench on the price comparator base, and then pressed against the fixed plate, and then the limit plate is moved to the other side of the workpiece. According to the height of the workpiece, turn the nut of the lifting screw to adjust the height of the comparator frame and the micrometer. After the height is suitable, use the fixing bolt to lock the comparator frame. Due to the vertical direction The micrometer above can not measure this part, so the micrometer head needs to be rotated at a certain angle to make contact. At this time, the comparison probe and the micrometer on the comparator frame are rotated, and then fixed by fixing screws, and then the workpiece is removed to allow the belt The angled micrometer measures the gauge block to zero, and then puts the workpiece back to its original position again, uses the measurement work to measure the angle rotated by the micrometer, and then brings it into the trigonometric function together with the measurement value obtained by the micrometer Obtain the required actual value.

The utility model is further provided as follows: slide rails are provided on both sides of the comparator base, a slide groove 1 for slidingly connecting the slide rails is provided on the bottom surface of the worktable, and a slide rail is provided on the worktable for fixing the slide rails. Fixing screw 2 at the relative position of slot 1 and slide rail.

By adopting the above technical solution, the worktable can slide horizontally on the comparator base, and the worktable can be moved to a designated position by tightening the second fixing screw.

The utility model is further provided as follows: the two ends of the limiting plate are provided with the second chute, the upper end of the fixing plate is slidably connected to the second chute, and the two ends of the limiting plate are provided with the second chute for fixing the second and the second Three fixing screws for the relative position of the fixing plate.

By adopting the above technical solution, the limit plate slides in the middle of the fixing plate, and the limit plate can be fixed at the designated position of the workbench by tightening the three fixing screws.

The utility model is further provided as follows: a knob is fixedly connected to one end of the first fixing bolt and the first fixing screw.

By adopting the above technical solution, the first fixing bolt and the first fixing screw can be easily rotated, which is convenient for the user to adjust the comparator.

The utility model is further provided as follows: the comparator frame is provided with an angle scale, and the comparison probe is provided with a mark for the angle scale to measure.

By adopting the above technical solution, the angle turned by the micrometer is measured, which facilitates the calculation of the actual value measured by the micrometer.

The beneficial effects of the utility model are as follows: the micrometer head of the comparative instrument can be rotated at multiple angles to measure the difficult parts of the workpiece; by moving the worktable and the limit plate, the position of the workpiece can be determined and the workpiece can be fixed, so that the thickness and diameter of the workpiece can be easily measured. and other parameters, reducing the number of fixtures and positioning equipment, greatly improving the efficiency of workpiece measurement.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of the three-dimensional structure of the present embodiment;

2 is a schematic diagram of the connection relationship between the comparator base and the workbench of the present embodiment;

FIG. 3 is an enlarged view of part A of FIG. 1 .

In the figure, 1. Comparator base; 11. Slide rail; 2. Workbench; 21. Chute 1; 22. Fixing screw 2; 23. Fixing plate; Chute 2; 3. Lifting screw; 31. Screw nut; 4. Comparator frame; 41. Fixing bolt 1; 42. Angle scale; 5. Comparison probe; 51. Fixing bolt 2; 52. Fixing screw 1. 53. Marker; 6. Micrometer; 7. Knob.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment: a multi-angle measurement comparator, as shown in Figures 1-3, includes a comparator base 1 and a micrometer 6, the comparator base 1 is provided with a lifting screw 3, and the lifting screw 3 is sleeved There is a comparator frame 4. The comparator frame 4 is located at one end of the lifting screw 3 and is provided with a fixing bolt 41 for fixing the height. The lifting screw 3 is matched with a screw nut 31, and the screw nut 31 supports the comparator frame 4. Below, one end of the comparator frame 4 away from the lifting screw 3 is rotatably connected with a comparison probe 5. The comparison probe 5 is provided with a fixed rotation fixing screw 52 on the comparator frame 4, and the comparison probe 5 is inserted into the measurement head 5. Micrometer 6, the comparison probe 5 is provided with fixing bolts 51 for fixing the micrometer 6; the comparator base 1 is provided with a worktable 2 that can move horizontally, and the two ends of the worktable 2 in the moving direction are fixed with fixed Plate 23, the worktable 2 is provided with a limit plate 24 slidingly connected to the fixed plates 23 at both ends. The movement direction of the limit plate 24 is perpendicular to the movement direction of the worktable 2. When measuring a workpiece outer groove or workpiece inner and outer protrusions, Place the workpiece on the worktable 2 on the price comparator base, then press the fixing plate 23, and then move the limit plate 24 to the position against the other side of the workpiece, so as to determine the position of the workpiece, and rotate the lifting wire according to the height of the workpiece. The nut of the lever 3 can adjust the height of the comparator frame 4 and the micrometer 6. After the height is suitable, use the fixing bolt to lock the comparator frame 4. Since the micrometer 6 in the vertical direction cannot measure this part, it is necessary to The micrometer head is rotated at a certain angle to make contact. At this time, turn the comparison probe 5 and the micrometer head on the comparator frame 4, and then use the fixing screw 152 to fix it, and then move the workpiece out to allow the angled micrometer 6 to measure the amount Zero the block, and then put the workpiece back to the original position again, because the angle scale 42 is provided on the comparator frame 4, the angle of the micrometer 6 rotation is obtained by comparing the scale mark 53 on the probe 5, and then The measured values obtained by the micrometer 6 are brought into the trigonometric function together to obtain the required actual values. One end of the fixing screw 1 52 and the fixing bolt 1 41 are fixedly connected with a knob 7, and the fixing screw 1 52 and the fixing bolt 1 41 can be easily screwed to adjust the height of the tester frame and the angle of the test head.

As shown in Figures 1 and 2, the comparator base 1 is provided with slide rails 11 on both sides, the bottom surface of the worktable 2 is provided with a slideway 1 21 for slidingly connecting the slide rails 11, and the worktable 2 is provided with a fixed slideway One 21 and the second fixing screw 22 of the slide rail 11, so that the table 2 can slide horizontally on the comparator base 1, and then by tightening the fixing screw two 22, the table 2 is fixed in a proper position; the limit plate 24 The two ends are provided with the second chute 242, the upper end of the fixing plate 23 is slidably connected to the second chute 242, and the two ends of the limit plate 24 are provided with the third fixing screws 241 for fixing the relative position of the second chute and the fixing plate 23, so that the limit plate 24 can be Sliding in the middle of the fixing plate 23 , and then by tightening the fixing screws 3 241 , the limiting plate 24 is fixed at a proper position on the workbench 2 .

Claims (5)

1. A multi-angle measurement comparator comprises a comparator base (1), wherein a lifting screw rod (3) is arranged on the comparator base (1), a comparator rack (4) is sleeved on the lifting screw rod (3), a first fixing bolt (41) for fixing the height is arranged at one end, located on the lifting screw rod (3), of the comparator rack (4), the lifting screw rod (3) is matched with a screw rod nut (31), the screw rod nut (31) supports the lower part of the comparator rack (4), it is characterized in that one end of the comparator rack (4) far away from the lifting screw rod (3) is rotationally connected with a measuring head (5), the comparison measuring head (5) is provided with a first fixed screw (52) which is fixedly rotated on the comparator rack (4), a micrometer (6) is inserted into the measuring head (5), and a second fixing bolt (51) for fixing the micrometer (6) is arranged on the measuring head (5); be equipped with workstation (2) that can horizontal migration on comparator seat (1), both ends on workstation (2) moving direction are fixed and are equipped with fixed plate (23), be equipped with limiting plate (24) of sliding connection both ends fixed plate (23) on workstation (2), limiting plate (24) moving direction with workstation (2) moving direction is mutually perpendicular.

2. The multi-angle measurement comparator as claimed in claim 1, wherein: be equipped with slide rail (11) on comparator seat (1) both sides, workstation (2) bottom surface is equipped with sliding connection spout (21) of slide rail (11), both sides are equipped with fixedly on workstation (2) spout (21) and slide rail (11) relative position's set screw two (22).

3. The multi-angle measurement comparator according to claim 1, wherein: two ends of the limiting plate (24) are provided with a second sliding groove (242), the upper end of the fixing plate (23) is connected with the second sliding groove (242) in a sliding mode, and two ends of the limiting plate (24) are provided with third fixing screws (241) for fixing the relative positions of the second sliding groove (242) and the fixing plate (23).

4. The multi-angle measurement comparator as claimed in claim 1, wherein: one end of the first fixing bolt (41) and one end of the first fixing screw (52) are fixedly connected with a knob (7).

5. The multi-angle measurement comparator as claimed in claim 1, wherein: the angle measuring instrument is characterized in that an angle graduated scale (42) is arranged on the comparator frame (4), and a mark (53) for measuring the angle graduated scale (42) is arranged on the measuring head (5).

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