Mechanical part measuring device

Abstract

The utility model relates to the technical field of part measurement, and discloses a mechanical part measuring device which comprises a working table, a supporting mechanism and a measuring mechanism, the supporting mechanism comprises two V-shaped supporting blocks arranged at the two ends of the working table, the measuring mechanism comprises a measuring piece and a conversion display assembly, the working table is provided with a limiting plate, and the limiting plate is arranged on the working table. The measuring piece is arranged on the limiting plate in a sliding mode, a mounting plate is arranged on the workbench, the conversion display assembly is arranged on the mounting plate, and the bottom of the measuring piece is in transmission connection with the conversion display assembly. According to the utility model, the problems of difficult reading and low straightness measurement efficiency of a dial indicator in the prior art can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to part measurement technical field especially relates to a mechanical part measuring device. BACKGROUND

[0002] At present, when processing shaft mechanical parts, the straightness of the shaft needs to be measured. In the prior art, the two ends of the rotating shaft are usually supported by V-shaped blocks, and then a micrometer is used for measurement.

[0003] In actual use, the micrometer needs to be read multiple times to analyze the straightness of the shaft, and the reading of the micrometer is difficult, which leads to low efficiency of straightness measurement. UTILITY MODEL CONTENT

[0004] Therefore, the utility model discloses a mechanical part measuring device, which solves the problem of difficult micrometer reading and low straightness measurement efficiency in the prior art.

[0005] The utility model solves the above technical problem through the following technical scheme:

[0006] A mechanical part measuring device, comprising a workbench, a supporting mechanism and a measuring mechanism, the supporting mechanism comprises two V-shaped supporting blocks arranged at the two ends of the workbench, the measuring mechanism comprises a measuring piece and a conversion display assembly, a limiting plate is arranged on the workbench, the measuring piece is slidably arranged on the limiting plate, an installation plate is arranged on the workbench, the conversion display assembly is arranged on the installation plate, and the bottom of the measuring piece is in transmission connection with the conversion display assembly.

[0007] When the shaft part is placed on the V-shaped supporting block, the shaft part presses down the measuring piece, and the conversion display assembly converts the downward movement of the measuring piece into the display amount of the conversion display assembly, so that the straightness measurement efficiency of the shaft part is effectively improved without the need for measurement reading by the micrometer.

[0008] Further, the conversion display assembly comprises a U-shaped tube and a first piston, the U-shaped tube comprises a measuring end and a display end, the inner diameter of the measuring end is larger than that of the display end, the first piston is sealingly and slidably arranged in the measuring end, the bottom of the measuring piece is in transmission connection with the first piston, and the U-shaped tube is filled with display liquid.

[0009] When the shaft part presses down the measuring piece, the first piston pushes the display liquid in the U-shaped tube to move to the display end when the measuring piece moves downward to drive the first piston to move downward, and the straightness of the shaft part can be intuitively and clearly judged by observing the liquid level difference of the display liquid.

[0010] Furthermore, a second piston is slidably disposed inside the display terminal, and the second piston is used to block the display terminal.

[0011] By setting up the above structure, on the one hand, the display end can be sealed to improve the sealing performance, and on the other hand, the liquid level position can be made more prominent, making it easier to observe.

[0012] Furthermore, a display panel is provided on the back side of the workbench, and the display end of the U-shaped tube is disposed on the display panel.

[0013] By setting up the above structure, it is easy to observe the position of the display liquid and the second piston in the display end. On the other hand, the display end can be connected to the display plate by means of bonding, snap-fit, etc., which improves the stability of the U-shaped tube.

[0014] Furthermore, an elastic element is provided between the measuring element and the limiting plate, the elastic element being used to maintain the measuring element having a tendency to move vertically upward.

[0015] By setting the above structure, before the shaft part presses down on the measuring component, the first piston is positioned at the top of the measuring end, thus avoiding the weight of the measuring component from affecting the measurement effect.

[0016] Furthermore, the measuring component includes a measuring head and a rod body. A limiting hole is formed on the limiting plate, the rod body is slidably inserted into the limiting hole, a limiting groove is formed on the rod body, a limiting block is provided in the limiting hole on the limiting plate, the limiting block is slidably disposed in the limiting groove, and the measuring head is threadedly connected to the rod body.

[0017] By setting up the above structure, the height of the measuring part can be adjusted by rotating the measuring head, thereby adapting to shaft parts with different radius dimensions.

[0018] Furthermore, an adjustment ring is provided on the measuring head.

[0019] The above structure facilitates the rotation of the measuring head.

[0020] Furthermore, a horizontal bar is slidably disposed on the display panel, which is used to align the initial position of the display liquid.

[0021] By setting up the above structure and comparing the horizontal bar with the measured position of the display liquid, the intuitiveness of the change in the position of the display liquid can be improved.

[0022] Furthermore, each end of the display panel is provided with a mounting bracket, and a sliding groove is provided in the mounting bracket. The horizontal bar is slidably disposed in the sliding groove, and each end of the horizontal bar is threadedly connected with a fixing bolt, which abuts against the display panel.

[0023] By setting up the above structure, it is easy to change the position of the horizontal bar.

[0024] The utility model discloses an advantageous effect:

[0025] 1, the utility model discloses a measurement piece and conversion display component are set up, when the shaft spare is placed on V-shaped support block, the shaft spare presses down the measurement piece, and the conversion display component is converted to the display amount of conversion display component with the downshift of measurement piece. Relative to prior art, need not be measured reading through the micrometer, effectively improve the straightness measurement efficiency of shaft spare.

[0026] 2, the utility model discloses through setting up U -shaped pipe, first piston and display liquid, when the shaft spare presses down the measurement piece, and the first piston is driven to downshift with the downshift of measurement piece, and the first piston pushes the display liquid in U -shaped pipe and moves to the display end, and through the observation display liquid's liquid level difference, can the straightness of shaft spare is judged directly and obviously.

[0027] 3, the utility model discloses through setting up the measurement head and the rod, and the height of measurement piece can be adjusted through the rotation measurement head, to adapt to the shaft spare of different radius size.

[0028] 4, the utility model discloses through setting up the cross strip, and the cross strip is aligned with the initial position of display liquid, and then compares the cross strip with the display liquid measurement position, can improve the intuitiveness of display liquid position change. DRAWINGS

[0029] Fig. 1 It is the structure schematic diagram of a kind of mechanical part measuring device of the utility model;

[0030] Fig. 2 It is the section structure schematic diagram of a kind of mechanical part measuring device of the utility model;

[0031] Fig. 3 It is the split structure schematic diagram of a kind of mechanical part measuring device in the utility model limit stop and measurement piece;

[0032] Among them,

[0033] 1, workbench;11, limit stop;111, limit hole;112, limit block;12, mounting plate;13, display plate;

[0034] 2, V-shaped support block;

[0035] 3, measurement piece;31, measurement head;311, screw hole;312, adjusting ring;32, rod;321, threaded column;322, limit slot;

[0036] 4, conversion display component;41, U-shaped pipe;411, measurement end;412, display end;42, first piston;43, second piston;

[0037] 5, elastic piece;

[0038] 6, cross strip; 61, fixing bolt;

[0039] 7, mounting frame; 71, sliding groove. DETAILED DESCRIPTION

[0040] The advantages and effects of the present application can be understood by the skilled in the art from the disclosure of the present application. It should be noted that the drawings provided in the following embodiments are only used for exemplary illustration, and the drawings represent only schematic diagrams, not physical drawings, and should not be understood as a limitation on the present application. In order to better illustrate the embodiments of the present application, some components in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0041] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components. In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore the orientation or position relationship described in the drawings cannot be understood as a limitation on the present application. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0042] As shown in the drawings, Figs. 1-3 The present application discloses a mechanical part measuring device, which comprises a workbench 1, a supporting mechanism and a plurality of measuring mechanisms. The supporting mechanism is used for supporting the shaft part. Specifically, the supporting mechanism comprises two V-shaped supporting blocks 2 arranged at the two ends of the workbench 1. The two ends of the shaft part are placed on the two V-shaped supporting blocks 2 respectively.

[0043] The plurality of measuring mechanisms are used for measuring the straightness of the shaft part. Specifically, the measuring mechanism comprises a measuring piece 3 and a conversion display assembly 4. The workbench 1 is provided with a limiting plate 11. The measuring piece 3 is slidingly arranged on the limiting plate 11. The limiting plate 11 is used for limiting the vertical sliding of the measuring piece 3. The workbench 1 is provided with a mounting plate 12. The conversion display assembly 4 is arranged on the mounting plate 12. The bottom of the measuring piece 3 is drivingly connected with the conversion display assembly 4. When the shaft part is placed on the V-shaped supporting block 2, the shaft part presses down the measuring piece 3. The conversion display assembly 4 converts the downward movement of the measuring piece 3 into the display amount of the conversion display assembly 4. Compared with the prior art, the measuring reading does not need to be measured by the micrometer, and the straightness measurement efficiency of the shaft part is effectively improved.

[0044] In the embodiment, the conversion display assembly 4 comprises a U-shaped tube 41, a first piston 42 and a second piston 43, the U-shaped tube 41 comprises a measuring end 411 and a display end 412, the inner diameter of the measuring end 411 is larger than that of the display end 412, in the embodiment, the inner diameter of the measuring end 411 is five times of that of the display end 412. The first piston 42 is sealingly and slidingly arranged in the measuring end 411, the bottom of the measuring member 3 is in transmission connection with the first piston 42, the second piston 43 is sealingly and slidingly arranged in the display end 412, and the U-shaped tube 41 is filled with display liquid between the first piston 42 and the second piston 43. When the shaft part presses down the measuring member 3, the measuring member 3 moves downward to drive the first piston 42 to move downward, the first piston 42 pushes the display liquid in the U-shaped tube 41 to move to the display end 412, so that the second piston 43 in the display end 412 moves upward, and the straightness of the shaft part can be directly and intuitively judged by observing the liquid level difference of the display liquid and the position difference of the plurality of second pistons 43. In other embodiments, the conversion display assembly 4 can also be provided as a display block and a lever, the measuring member 3 presses down one end of the lever when moving downward, the display block is lifted upward by the lever, and thus the straightness of the shaft part can be observed.

[0045] In the embodiment, the back side of the workbench 1 is provided with a display plate 13, the display end 412 of the U-shaped tube 41 is arranged on the display plate 13, so that the display liquid in the display end 412 and the position of the second piston 43 can be observed, and on the other hand, the display end 412 can be connected to the display plate 13 by adhesion, clamping or the like, so as to improve the stability of the U-shaped tube 41.

[0046] In the embodiment, the elastic member 5 is arranged between the measuring member 3 and the limiting plate 11, and the elastic member 5 is a spring. The elastic member 5 is used to make the measuring member 3 have a tendency to move vertically upward, and before the shaft part presses down the measuring member 3, the first piston 42 is located at the top of the measuring end 411, so as to avoid the weight of the measuring member 3 affecting the measurement effect. In other embodiments, the amount of display liquid in the measuring end 411 and the display end 412 and the weight of the first piston 42 and the second piston 43 can be matched, so as to realize that before the shaft part presses down the measuring member 3, the first piston 42 is located at the top of the measuring end 411.

[0047] In the embodiment, the measuring member 3 comprises a measuring head 31 and a rod body 32, and the measuring head 31 is in threaded connection with the rod body 32. The height of the measuring member 3 can be adjusted by rotating the measuring head 31, so as to adapt to shaft parts with different radius sizes. In the embodiment, a threaded hole 311 is formed in the inside of the measuring head 31, and a threaded column 321 is arranged at the top of the rod body 32, and the threaded column 321 is in threaded connection with the threaded hole 311.

[0048] In the embodiment, the limiting plate 11 is provided with a limiting hole 111, the rod body 32 is slidingly inserted into the limiting hole 111, the rod body 32 is provided with a limiting slot 322, the limiting plate 11 is provided with a limiting block 112 in the limiting hole 111, the limiting block 112 is slidingly arranged in the limiting slot 322, the limiting of the measuring piece 3 is realized, and the measuring piece 3 can only slide in the vertical direction.

[0049] In the embodiment, the measuring head 31 is provided with an adjusting ring 312, and the measuring head 31 is conveniently rotated.

[0050] In the embodiment, the display plate 13 is slidingly provided with a horizontal bar 6, and the horizontal bar 6 is used for aligning the initial position of the display liquid. The intuitiveness of the position change of the display liquid is improved by comparing the horizontal bar 6 with the measuring position of the display liquid.

[0051] In the embodiment, the display plate 13 is provided with a mounting frame 7 at both ends, the mounting frame 7 is provided with a sliding groove 71, the horizontal bar 6 is slidingly arranged in the sliding groove 71, both ends of the horizontal bar 6 are screw-connected with fixing bolts 61, the fixing bolts 61 are tightly arranged with the display plate 13, and the position of the horizontal bar 6 is conveniently changed. In the embodiment, the sliding groove 71 is a cross sliding groove 71, both ends of the horizontal bar 6 are provided with cross sliding blocks, the cross sliding blocks are slidingly arranged in the cross sliding groove 71, and the horizontal bar 6 can only slide in the vertical direction.

[0052] The use method of the part correction device is as follows:

[0053] Firstly, the adjusting ring 312 of each measuring piece 3 is rotated, and the measuring head 31 is adjusted to the height corresponding to the radius of the shaft part.

[0054] Subsequently, the shaft part is placed on the V-shaped supporting block 2, the position change of the plurality of second pistons 43 relative to the horizontal bar 6 is observed by rotating the shaft part, and the position change of the plurality of second pistons 43 relative to the horizontal bar 6 is observed.

[0055] During the rotation of the shaft part, when the convex part of the shaft part presses the measuring head 31, the measuring head 31 drives the rod body 32 to move downward, the rod body 32 drives the first piston 42 to move downward, the first piston 42 drives the display liquid in the U-shaped tube 41 to move to the display end 412, and the second piston 43 in the display end 412 moves upward.

[0056] The above embodiment is only used to illustrate the technical scheme of the utility model and is not limited. Although the utility model is described in detail with reference to the preferred embodiment, it should be understood by those skilled in the art that the technical scheme of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical scheme of the utility model, and all should be covered in the claim range of the utility model. The technical, shape and structure parts not described in detail in the utility model are all known technologies.

Claims

1. A mechanical part measuring device, comprising a workbench (1), a supporting mechanism and a measuring mechanism, the supporting mechanism comprising two V-shaped supporting blocks (2) arranged at the two ends of the workbench (1), characterized in that: The measuring mechanism comprises a measuring piece (3) and a conversion display assembly (4), a limiting plate (11) is arranged on the workbench (1), the measuring piece (3) is slidingly arranged on the limiting plate (11), an installation plate (12) is arranged on the workbench (1), the conversion display assembly (4) is arranged on the installation plate (12), and the bottom of the measuring piece (3) is in transmission connection with the conversion display assembly (4).

2. A mechanical part measuring device according to claim 1, characterized in that: The conversion display assembly (4) comprises a U-shaped pipe (41) and a first piston (42), the U-shaped pipe (41) comprises a measuring end (411) and a display end (412), the inner diameter of the measuring end (411) is larger than that of the display end (412), the first piston (42) is sealingly and slidingly arranged in the measuring end (411), the bottom of the measuring piece (3) is in transmission connection with the first piston (42), and the U-shaped pipe (41) is filled with display liquid.

3. A mechanical part measuring device according to claim 2, characterized in that: A second piston (43) is sealingly and slidingly arranged in the display end (412), and the second piston (43) is used for plugging the display end (412).

4. A mechanical part measuring device according to claim 2, characterized in that: The back side of the workbench (1) is provided with a display plate (13), and the display end (412) of the U-shaped pipe (41) is arranged on the display plate (13).

5. The mechanical part measuring device of claim 1, wherein: An elastic piece (5) is arranged between the measuring piece (3) and the limiting plate (11), and the elastic piece (5) is used for enabling the measuring piece (3) to have a tendency of vertically moving upwards.

6. A mechanical part measuring device according to claim 1, characterized in that: The measuring piece (3) comprises a measuring head (31) and a rod body (32), the limiting plate (11) is provided with a limiting hole (111), the rod body (32) is slidingly inserted into the limiting hole (111), the rod body (32) is provided with a limiting groove (322), the limiting plate (11) is provided with a limiting block (112) in the limiting hole (111), the limiting block (112) is slidingly arranged in the limiting groove (322), and the measuring head (31) is in threaded connection with the rod body (32).

7. A mechanical part measuring device according to claim 6, characterized in that: An adjusting ring (312) is arranged on the measuring head (31).

8. A mechanical part measuring device according to claim 4, characterized in that: A horizontal bar (6) is slidingly arranged on the display plate (13), and the horizontal bar (6) is used for aligning the initial position of the display liquid.

9. A mechanical part measuring device according to claim 8, characterized in that: Both ends of the display plate (13) are provided with mounting racks (7), the mounting racks (7) are provided with sliding grooves (71), the horizontal bar (6) is slidingly arranged in the sliding grooves (71), both ends of the horizontal bar (6) are in threaded connection with fixing bolts (61), and the fixing bolts (61) are in abutting connection with the display plate (13).

Images