CN214407300U

CN214407300U - Simple measuring tool for detecting angle of positioning groove

Info

Publication number: CN214407300U
Application number: CN202022900209.7U
Authority: CN
Inventors: 蓝奕福
Original assignee: Guangzhou Yaxin Metal Products Co ltd
Current assignee: Guangzhou Yaxin Metal Products Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-10-15
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a simple measuring tool for detecting the angle of a positioning groove, which comprises a base, a V-shaped block, a calibrating device and a positioning block, wherein the V-shaped block is fixed on the base and used for placing a workpiece; the positioning block is fixed on the base, the measuring block is arranged on the positioning block in a sliding mode, and the measuring block and the V-shaped block are coaxially arranged, so that the workpiece can be subjected to angle detection on the positioning groove formed in the workpiece by means of the measuring block on the basis of calibration of the calibration device, whether the positioning groove formed in the workpiece is qualified or not can be rapidly detected, the reject ratio of a product is effectively reduced, and the production efficiency is improved.

Description

Simple measuring tool for detecting angle of positioning groove

Technical Field

The utility model relates to a measuring tool field especially relates to a detect simple and easy measuring tool of positioning groove angle.

Background

The crankshaft is the power transmission part of the piston compressor, the external power of the motor and the like is transmitted to the compressor through the crankshaft, the crankshaft drives another compressor part connecting rod arranged on the crankshaft to convert the rotary motion into reciprocating motion, and therefore the work of the piston compressor is achieved. Because of the functional requirements of the crankshaft, a tail groove (positioning groove) needs to be arranged at the tail end of the crankshaft, the positioning groove on the existing crankshaft is generally detected by using a three-dimensional detection device, the three-dimensional detection device is an instrument capable of expressing the measurement capabilities of geometric shapes, lengths, circumferential graduation and the like in a hexahedral space range, and is also called as a three-coordinate measuring instrument or a three-seat scalar bed, the measurement period is long, the measurement procedure is complicated, the field detection is not facilitated, the detection on a production line is not suitable, the product cannot be found in time when the product is bad, and the production efficiency cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, the utility model is to provide a detect simple and easy measuring tool of constant head tank angle, it can detect out whether qualified by epaxial constant head tank of bent fast, measures simply, and the operation of being convenient for, and measuring time is short, has reduced the defective rate of product effectively to improve production efficiency.

The purpose of the utility model is realized by adopting the following technical scheme:

a simple measuring tool for detecting the angle of a positioning groove comprises a base, a V-shaped block, a calibrating device and a positioning block, wherein the V-shaped block is fixed on the base and used for placing a workpiece; the positioning block is fixed on the base, the positioning block is provided with a measuring block in a sliding mode, and the measuring block and the V-shaped block are coaxially arranged, so that the workpiece can be subjected to angle detection on a positioning groove formed in the workpiece by means of the measuring block on the basis of calibration of the calibration device.

Furthermore, an upright post is arranged on the base, the upright post extends upwards along the vertical direction, and a mounting bracket is slidably mounted on the upright post, so that the mounting bracket can slide along the vertical direction; the calibration device is fixed on the mounting bracket.

Further, a mounting block is slidably mounted on the mounting bracket, and the calibration device is fixed on the mounting block, so that the calibration device can move along the width direction of the workpiece.

Further, the calibration device is a dial indicator.

Furthermore, the positioning block and the V-shaped block are coaxially arranged, a sliding groove is formed in the positioning block, and the sliding groove is formed along the length direction of the positioning block;

the measuring block comprises a measuring portion, a middle portion and a holding portion, the middle portion is used for connecting the measuring portion and the holding portion, a sliding block is fixed to the middle portion, and the sliding block slides in a sliding groove, so that the measuring block can stretch in the length direction of the sliding groove, and the measuring portion can measure a positioning groove formed in a workpiece.

Furthermore, the top of the sliding groove is provided with a cover plate, and the cover plate is fixedly connected to the positioning block.

Furthermore, the V-shaped blocks are arranged in two numbers, and the two V-shaped blocks are spaced and coaxially arranged.

Further, the holding part is of a cylindrical structure.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model calibrates the workpiece placed on the V-shaped block through the calibrating device, and on the basis of the calibration of the calibrating device, the workpiece moves the gauge block to be close to the positioning groove formed on the workpiece, so that the angle detection is carried out on the positioning groove on the workpiece, and then whether the positioning groove formed on the workpiece is qualified or not can be quickly detected, thereby effectively reducing the reject ratio of the product and improving the production efficiency; simultaneously the utility model discloses a measuring tool simple structure measures simple and conveniently, the operation of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a gauge block according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a positioning block according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a V-shaped block according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a mounting block and a dial indicator according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a mounting bracket according to an embodiment of the present invention.

In the figure: 1. a base; 2. a V-shaped block; 3. positioning blocks; 30. a chute; 31. a cover plate; 4. a column; 40. mounting a bracket; 400. mounting blocks; 4000. a waist-shaped groove; 4001. a second adjustment fastener; 401. a sliding groove; 402. a first adjustment fastener; 5. a calibration device; 6. measuring blocks; 60. a measuring section; 61. an intermediate portion; 62. a grip portion; 7. a crankshaft; 70. and (6) positioning a groove.

Detailed Description

In the following, the present invention is described with priority in conjunction with the accompanying drawings and the detailed description, and it should be noted that, in the premise of no conflict, the embodiments or technical features described below may be arbitrarily combined to form a new embodiment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The implementation mode is as follows:

as shown in fig. 1-6, the utility model discloses a detect simple and easy measuring tool of positioning groove angle, including base 1, V type piece 2, calibrating device 5 and locating piece 3, V type piece 2 is fixed in on the base 1 for place the work piece. As an application scenario, the workpiece in this embodiment is a crankshaft 7 of the compressor, the crankshaft 7 is placed on the V-shaped block 2, and the positioning groove 70 is formed at the tail end of the crankshaft 7; of course, the V-shaped blocks 2 may be provided in plurality according to the length of the crankshaft 7, so as to facilitate the placement of the crankshaft 7, in this embodiment, the V-shaped blocks 2 are provided in two, and the two V-shaped blocks 2 are spaced and coaxially disposed, that is, the crankshaft 7 is placed on the V-shaped blocks 2, and the crankshaft 7 is limited by the V-shaped structure of the V-shaped blocks 2.

The calibrating device 5 is adjustably fixed on the base 1 and used for calibrating the workpiece placed on the V-shaped block 2. The positioning block 3 is fixed on the base 1, namely the positioning block 3 is positioned at one end close to a positioning groove 70 of the crankshaft 7, the positioning block 3 is provided with a gauge block 6 in a sliding manner, and the gauge block 6 and the V-shaped block 2 are coaxially arranged, so that the gauge block 6 can move along the length direction of the crankshaft 7, the workpiece can be subjected to angle detection on the positioning groove 70 arranged on the workpiece (crankshaft 7) by means of the gauge block 6 on the basis of calibration of the calibration device 5, and whether the positioning groove 70 arranged on the workpiece (crankshaft 7) is qualified or not can be rapidly detected, the reject ratio of products is effectively reduced, and the production efficiency is improved; simultaneously the utility model discloses a measuring tool simple structure measures simple and conveniently, the operation of being convenient for.

Specifically, the base 1 is provided with a vertical column 4, the vertical column 4 extends upwards along the vertical direction, and a mounting bracket 40 is slidably mounted on the vertical column 4, so that the mounting bracket 40 can slide along the vertical direction; the calibration device 5 is fixed to the mounting bracket 40, and the calibration device 5 is preferably a dial indicator. It can be understood that the upright post 4 is sleeved with a bushing, and the upright post 4 and the mounting bracket 40 are connected by the bushing, so that the mounting bracket 40 can slide along the upright post 4; of course, the side portion of the mounting bracket 40 is further connected with a first adjusting fastener 402 through a thread, when the dial indicator needs to be adjusted to move in the vertical direction, the first adjusting fastener 402 can be loosened, the height of the dial indicator fixed on the mounting bracket 40 is adjusted, and after the height is adjusted, the first adjusting fastener 402 is screwed down to achieve the fixing purpose of the mounting bracket 40, that is, the dial indicator can be fixed.

In a preferred embodiment, a mounting block 400 is slidably mounted on the mounting bracket 40, and the calibration device 5 is fixed to the mounting block 400 such that the calibration device 5 can move along the width direction of the workpiece. It can be understood that the upper surface of the mounting bracket 40 is provided with a sliding groove 401, and the mounting block 400 slides in the sliding groove 401 along the length direction of the sliding groove 401, so that the calibration device 5 can move along the width direction of the workpiece; certainly, the mounting block 400 is further provided with a waist-shaped groove 4000, the waist-shaped groove 4000 is arranged along the length direction of the mounting block 400, the second adjusting fastener 4001 penetrates through the waist-shaped groove 4000 to be in threaded connection with the sliding groove 401, when the calibrating device 5 needs to be adjusted to slide along the length direction of the sliding groove 401, the second adjusting fastener 4001 can be loosened, the dial indicator fixed on the mounting block 400 is adjusted in the front-back position, and after the front-back position is adjusted, the second adjusting fastener 4001 is screwed, so that the dial indicator is fixed.

In a preferred embodiment, the positioning block 3 and the V-shaped block 2 are coaxially arranged, so that the measuring block 6 can be conveniently installed; a sliding groove 30 is formed in the positioning block 3, the sliding groove 30 is arranged along the length direction of the positioning block 3, and the sliding groove 30 is located in the middle of the positioning block 3; the gauge block 6 comprises a measuring part 60, an intermediate part 61 and a holding part 62, the holding part 62 is of a cylindrical structure and is convenient to hold, the intermediate part 61 is used for connecting the measuring part 60 and the holding part 62, a sliding block is fixed on the intermediate part 61 and slides in the sliding groove 30 through the sliding block, so that the gauge block 6 can stretch and retract along the length direction of the sliding groove 30, and the measuring part 60 can measure a positioning groove 70 formed in a workpiece. That is, it can be understood that, on the basis of the calibration of the dial indicator, the handheld holding portion 62 of the crankshaft 7 moves the gauge block 6 to approach the positioning groove 70 of the crankshaft 7, when the measuring portion 60 can be inserted into the positioning groove 70 of the crankshaft 7, it can be determined that the angle of the positioning groove 70 is qualified, and if the measuring portion 60 cannot be inserted into the positioning groove 70 of the crankshaft 7, it can be determined that the angle of the positioning groove 70 is unqualified, the measurement is simple and convenient, and the operation is convenient.

In a preferred embodiment, the top of the sliding chute 30 is provided with a cover plate 31, and the cover plate 31 is fixedly connected to the positioning block 3, that is, the sliding chute 30 is covered by the cover plate 31, so as to prevent impurities from entering the sliding chute 30 and affecting the sliding of the sliding block.

The utility model discloses a theory of operation:

the long shaft of the crankshaft is placed on the V-shaped block 2, the dial indicator is used for finding the lowest point of the eccentric part of the crankshaft 7, then the long shaft of the crankshaft is rotated by 180 degrees to the highest point of the eccentric part, namely, on the basis of calibrating the crankshaft 7 by the dial indicator, the measuring block 6 is moved, the measuring part 60 on the measuring block 6 is inserted into the positioning groove 70 (tail groove) of the crankshaft 7, if the measuring part 60 can be inserted into the positioning groove 70, the angle of the positioning groove 70 can be judged to be qualified, and if the measuring part 60 cannot be inserted into the positioning groove 70 of the crankshaft 7, the angle of the positioning groove 70 can be judged to be unqualified.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a detect simple and easy measuring tool of positioning groove angle which characterized in that: the device comprises a base, a V-shaped block, a calibration device and a positioning block, wherein the V-shaped block is fixed on the base and used for placing a workpiece; the calibration device is adjustably fixed on the base and used for calibrating the workpiece placed on the V-shaped block; the positioning block is fixed on the base, the positioning block is provided with a measuring block in a sliding mode, and the measuring block and the V-shaped block are coaxially arranged, so that the workpiece can be subjected to angle detection on a positioning groove formed in the workpiece by means of the measuring block on the basis of calibration of the calibration device.

2. A simple measuring tool for detecting the angle of the positioning groove as claimed in claim 1, wherein: the base is provided with an upright column, the upright column extends upwards along the vertical direction, and the upright column is provided with an installation bracket in a sliding manner, so that the installation bracket can slide along the vertical direction; the calibration device is arranged on the mounting bracket in a sliding manner.

3. A simple measuring tool for detecting the angle of the positioning groove as claimed in claim 2, wherein: the mounting bracket is provided with a mounting block in a sliding manner, and the calibration device is fixed on the mounting block and can move along the width direction of the workpiece.

4. A simple measuring tool for detecting the angle of a positioning groove as claimed in any one of claims 1 to 3, wherein: the calibration device is a dial indicator.

5. A simple measuring tool for detecting the angle of the positioning groove as claimed in claim 1, wherein: the positioning block and the V-shaped block are coaxially arranged, a sliding groove is formed in the positioning block, and the sliding groove is formed along the length direction of the positioning block;

6. A simple measuring tool for detecting the angle of the positioning groove as claimed in claim 5, wherein: the top of spout has the apron, the apron fixed connection in on the locating piece.

7. A simple measuring tool for detecting the angle of the positioning groove as claimed in claim 1, wherein: the V-shaped blocks are arranged in two numbers, and the two V-shaped blocks are arranged coaxially and at intervals.

8. A simple measuring tool for detecting the angle of the positioning groove as claimed in claim 5, wherein: the holding part is of a cylindrical structure.