CN220931943U - Perpendicularity measuring tool for parts - Google Patents

Abstract

The application relates to the technical field of mechanical part inspection tools, and particularly discloses a perpendicularity measuring tool for parts, which comprises a base and a measuring instrument, wherein two fixing blocks perpendicular to the base are arranged on the base, adjusting screws are arranged on the fixing blocks, and the measuring tool can be driven to slide on a positioning polished rod by rotating the adjusting screws through thread transmission; a positioning polished rod parallel to the base is symmetrically arranged between the two fixed blocks along the central line of the fixed blocks, the positioning polished rod is positioned at the lower end of the fixed blocks, a measuring tool is arranged on the positioning polished rod, a fixed tool is arranged on the measuring tool, an adjusting hole is formed in the center of the fixed tool, and an adjusting screw is arranged in the adjusting hole; the installation block of the fixed installation measuring instrument is installed on the base at one side of the positioning polished rod. The method aims at solving the problems that when the perpendicularity of the workpiece is measured, the workpiece is adjusted, the track during adjustment is not limited, so that the workpiece shakes or rolls, and the measuring result of the perpendicularity of the workpiece is influenced.

Description

Perpendicularity measuring tool for parts

Technical Field

The utility model relates to the technical field of mechanical part inspection tools, in particular to a perpendicularity measuring tool for parts.

Background

With the development of modern science and technology, the inspection tool is increasingly used as special equipment for inspecting products in aviation, scientific research, automobiles, industry, parts processing workshops and the like, and is an indispensable or rare general mechanical product in various fields of the mechanical manufacturing industry. The gauge is a simple tool for controlling various sizes (such as aperture, space size and the like) of products in industrial production enterprises, improves production efficiency and control quality, is suitable for mass production of products such as automobile parts, and replaces professional measuring tools such as a smooth plug gauge, a thread plug gauge, an outer diameter caliper gauge and the like.

Utilize the amesdial to detect the straightness that hangs down of part among the prior art, for example, it detects frock to have disclosed the straightness that hangs down in the current published patent CN201822229998.9, specifically include the locating shaft, spacing axle, the lever amesdial, the fixed block, the bottom plate, locating shaft and spacing axle are fixed on the bottom plate side by side, the lever amesdial passes through the fixed block to be fixed on the bottom plate, the axle center cover that waits to detect of waiting to detect the product is at the locating shaft, and it is spacing through spacing axle, the measuring pin of lever amesdial inserts between locating shaft and the product that waits to detect, rotate the area and detect the product, the pointer of lever amesdial is motionless, then it is good to state the straightness that hangs down of waiting to detect the product axle center, the pointer rotation angle is bigger, it is bigger to state the straightness tolerance that waits to detect the product axle center. Compared with the prior art, the utility model has the advantages of short measurement time, high stability, low cost and the like.

In the above-mentioned published patent document, utilize the locating shaft to treat the product that detects, insert the pointer of lever amesdial between locating shaft and the product that waits to detect, then indicate to have the clearance between waiting to detect product and locating shaft, spacing axle plays the spacing effect of waiting to detect the product, but only play the effect that prevents to detect the product and fall down, when rotating the product that waits to detect and detect the straightness, because it is manual operation and do not confirm to wait to detect the rotation track of product, the in-process that rotates the product that waits to detect can appear that the product itself appears rocking and lead to the pointer of lever amesdial to rotate, lead to measuring inaccuracy. And only can the fixed size of product to be detected be measured, just need to change whole measurement frock to the product to be detected of different sizes, how many kinds of size just have corresponding how many measurement frock to the product to be detected, lead to manufacturing cost high.

The patent document CN202222311855.9 discloses an OPC verticality measuring instrument, which limits the adjustment of the product to be detected and can use a measuring tool to finish the measurement of the product to be detected with different sizes, specifically, the measuring instrument comprises a base, a positioning baffle, an auxiliary positioning tool, a linear guide rail, an adjustable positioning bracket device, a rolling bearing, an adjustable pressing type positioning device, a freely movable universal arm device, a measuring instrument and a measuring probe. The procedure for measuring OPC drum perpendicularity using a measuring instrument is described in paragraphs 0030-0033 of the specification: (1) Firstly, adjusting left and right adjustable positioning bracket devices on a linear guide rail to a proper position according to the length of an OPC drum barrel, and then fixing the two adjustable positioning bracket devices through positioning bolts; (2) Loading a cylinder of the auxiliary positioning tool into a left pipe of the OPC drum, enabling the left end face of the OPC drum to be in contact with the round face of the auxiliary positioning tool, placing the OPC drum on rolling bearings arranged on two adjustable positioning bracket devices, and adjusting the pressing force of a pressing rod in an adjustable pressing-down type positioning device according to the diameter of the OPC drum; (3) And adjusting a freely movable universal arm device positioned on the right side of the linear guide rail to a proper position, adjusting the universal arm to enable the measuring probe to be in contact with the right end face part of the OPC drum, rotating the OPC drum, and directly reading the perpendicularity of the measured OPC drum through the measuring instrument. The measuring instrument disclosed by the utility model has the advantages of simple structure, low cost, high measuring precision, high measuring efficiency, strong universality and good application prospect.

In the above-mentioned patent CN202222311855.9, an OPC drum is fixed by using an adjustable positioning bracket device, an auxiliary positioning tool and an adjustable pressing-down type positioning device, then a freely movable universal arm adjusting device is adjusted to make a measuring pointer contact with the right side end face of the OPC drum, then the OPC drum is rotated, and the reading of a measuring instrument is observed to realize the measurement of the perpendicularity of the OPC drum, and when the measuring tool is measuring, the perpendicularity of only one end face of the OPC drum can be measured by once fixing, and the perpendicularity of the whole OPC drum can be realized by continuously adjusting the adjustable positioning bracket device, the adjustable pressing-down type positioning device and the freely movable universal arm, so that the operation is complicated; meanwhile, the OPC drum is placed on the sliding block I, when the OPC drum is rotated, the OPC drum can roll on the sliding block I to be misplaced, so that the problem of inaccurate measurement is caused, if the OPC drum is prevented from rolling by adjusting the pressing-down type positioning device to be pressed, the OPC drum is inconvenient to rotate to measure when the OPC drum is rotated, friction is generated between the OPC drum and a pressing rod of the pressing-down type positioning device, damage to the OPC drum is likely to be caused, and the like.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a perpendicularity measuring tool for parts, and aims to solve the problems that when the perpendicularity of a workpiece is measured, the workpiece is adjusted, the workpiece is not limited by the track during adjustment, so that the workpiece shakes or rolls, and the measuring result of the perpendicularity of the workpiece is influenced.

In order to solve the problems, the utility model adopts the following technical scheme: the perpendicularity measuring tool for the parts comprises a base and a measuring instrument, wherein two fixing blocks perpendicular to the base are fixedly arranged on the base, adjusting screws are arranged on the fixing blocks, and the measuring tool can be driven to slide on a positioning polished rod by rotating the adjusting screws through thread transmission; a positioning polished rod parallel to the base is symmetrically and fixedly arranged between the two fixed blocks along the central line of the fixed blocks, the positioning polished rod is positioned at the lower end of the fixed blocks, a measuring tool is slidably arranged on the positioning polished rod, a fixed tool is detachably arranged on the measuring tool, an adjusting hole is formed in the center of the fixed tool, and an adjusting screw is rotatably arranged in the adjusting hole; the installation block of the fixed installation measuring instrument is fixedly installed on the base at one side of the positioning polished rod.

The principle of the scheme is as follows:

Through installing two fixed blocks perpendicular to the base on the base, fixed setting up the location polished rod between two fixed blocks, and slidable mounting measures the frock on the location polished rod, install adjusting screw on one of them fixed block, and offer the regulation hole in measurement frock center department, adjusting screw passes the fixed block butt in measurement frock's regulation hole, and fixed frock of fixed mounting on measuring frock, will wait to detect the part and fix in fixed frock, and manual regulation, will measure the frock and be close to measuring apparatu one side, until the pointer of measuring apparatu and the bottom contact of waiting to detect the part, then rotate adjusting screw, make adjusting screw will measure measuring the measuring frock and measure the measuring instrument and be fixed by fixed frock and be kept away from measuring apparatu one side on the measuring frock and remove, observe the deflection angle that measuring instrument dial plate confirmed the pointer in the in-process of removal, the pointer does not take place the deflection and indicate that the straightness of waiting to detect the part is good, if the pointer takes place the deflection, the angle that the pointer deflected is bigger, the straightness tolerance of corresponding waiting to detect the part is bigger.

The beneficial effect that this scheme produced is:

1. Under the action of a fixed tool, fixing a part to be detected on a measuring tool, when an adjusting screw is rotated, matching the adjusting screw with a threaded through hole on a fixed block, so that the adjusting screw moves towards the other side fixed block, and when the adjusting screw moves, driving the measuring tool to move towards the other side fixed block (namely away from one side of a measuring instrument), thereby observing the deflection angle of a pointer of the measuring instrument, completing the measurement of the verticality of the part to be detected, and avoiding the problems of inaccurate detection and the like caused by moving the part to be detected;

2. The fixing tool is detachably arranged on the measuring tool, and when the parts to be detected with different sizes are measured, the fixing tool with different sizes is replaced, so that the parts to be detected with different sizes can be fixed, the measurement of the verticality of the parts to be detected with different sizes is realized, and the operation is simple and the universality is strong;

3. Under the action of the positioning polish rod and the adjusting screw, the measuring tool cannot shake, deviate and the like in the moving process, and accuracy of a measuring result is guaranteed.

Further, the other end of the adjusting screw is fixedly provided with a limiting table. The condition that the adjusting screw is completely rotated into the threaded through hole is prevented from happening when the adjusting screw is rotated, so that the adjusting screw is inconvenient to take out from the threaded through hole.

Further, a universal mechanical arm is fixedly installed on the installation block, and the measuring instrument is fixedly installed at the top end of the universal mechanical arm. Through fixing the measuring apparatu on universal arm, when measuring the part that waits to detect of equidimension, can ensure through the position of change measuring apparatu that the pointer of measuring apparatu can contact with the part that waits to detect.

Further, the adjusting hole is an adjusting blind hole, a rotating bearing is fixedly installed in the adjusting blind hole, and an adjusting screw is rotationally connected with the rotating bearing. The center department of measuring the frock is offered and is adjusted the blind hole to fixed mounting rolling bearing in adjusting the blind hole, adjusting screw passes the screw thread through-hole on the fixed block and rotates and install in rolling bearing, when rotating adjusting screw, adjusting screw rotates in rolling bearing, when guaranteeing adjusting screw and screw thread through-hole to cooperate and realize adjusting screw's control movement, can drive to measure the frock and control the removal, clockwise and anticlockwise rotation through adjusting screw, realize measuring the displacement of frock different directions, need not be manual when waiting to detect the part to remove measuring instrument pointer can contact the position, only need rotate adjusting screw and can drive measuring the frock and remove, convenient and fast.

Further, the adjusting hole is an adjusting through hole, the fixing block on the other side is provided with an installing through hole, the adjusting screw rod penetrates through the adjusting through hole to be rotatably installed in the installing through hole, and limiting blocks are fixed on the adjusting screw rods on two sides of the fixing block provided with the installing through hole. Through set up the regulation through-hole in the center department of measuring the frock to adjusting the through-hole and having seted up with adjusting screw assorted screw thread, after adjusting screw passes the screw through-hole, also pass adjusting through the screw thread cooperation of adjusting the through-hole and rotate and install in the installation through-hole, and adjusting screw's top is fixed to be provided with the stopper, the spacing groove has been seted up in the installation through-hole, adjusting screw's stopper rotates and installs in the spacing groove, when rotating adjusting screw, adjusting screw itself does not take place the displacement, the measuring frock of screw thread installation on adjusting screw then takes place the displacement, measuring frock drives and waits to detect the part displacement, thereby realize treating the measurement of detecting the straightness of part, clockwise and anticlockwise rotation through adjusting screw, realize measuring the displacement of different directions of frock.

Further, the length of the base is greater than the distance between the two fixed blocks. The length of base is greater than the distance between two fixed blocks and can ensure when not using the measurement frock, adjusting screw can receive in the mapping scope of base completely, prevents that adjusting screw and the outer condition such as damage from appearing producing to scratch.

Drawings

FIG. 1 is a schematic structural view of a tool for measuring verticality of a part, which is provided by the utility model;

Fig. 2 is a schematic top view of embodiment 1 of a tool for measuring verticality for parts according to the present utility model;

Fig. 3 is a schematic top view of embodiment 2 of the tool for measuring verticality for parts according to the present utility model.

Reference numerals in the drawings of the specification include: base 101, fixed block 102, threaded through hole 1021, location polished rod 103, adjusting screw 104, limit table 1041, installation block 105, universal arm 106, measuring apparatu 107, pointer 1071, dial 1072, measurement frock 108, adjusting blind hole 1081, adjusting through hole 1082, fixed frock 109, rolling bearing 110, installation through hole 111, limit groove 112, stopper 113, wait to detect part 201.

Detailed Description

The following is a further detailed description of the embodiments:

Example 1:

As shown in fig. 1-2, a structure of a tool for measuring verticality for a part is as follows: comprises a base 101, wherein two fixed blocks 102 perpendicular to the base 101 are fixedly arranged on the base 101, and the distance between the two fixed blocks 102 is smaller than the length of the base 101. A threaded through hole 1021 is formed in the center of one fixed block 102, a positioning polished rod 103 parallel to the base 101 is fixedly installed between the two fixed blocks 102, the positioning polished rod 103 is symmetrically arranged with the center line of the fixed block 102, a measuring tool 108 is slidably installed on the positioning polished rod 103, the center line of the measuring tool 108 and the center line of the fixed block 102 are perpendicular to the center line of the base 101 and on the center line of the base 101, an adjusting blind hole 1081 is formed in the center of the measuring tool 108, a rotating bearing 110 is fixedly installed in the adjusting blind hole 1081, an adjusting screw 104 is installed in the threaded through hole 1021 of the fixed block 102 in a threaded mode, one end of the adjusting screw 104 is rotatably installed in the rotating bearing 110, and the other end of the adjusting screw 104 is fixedly provided with a limiting table 1041 in a welding mode, an integral forming mode or a threaded mode.

The fixing tool 109 is detachably mounted on the measuring tool 108, and the fixing mode of the fixing tool 109 on the measuring tool 108 can be that a threaded hole is formed in the measuring tool 108, and the fixing tool 109 is fixed on the measuring tool 108 through a bolt.

The base 101 on one side of the positioning polished rod 103 is fixedly provided with a mounting block 105 through a magnetic attraction mode, a threaded mounting mode, a welding mode or an integrated forming mode and the like, the mounting block 105 is provided with a universal mechanical arm 106, the universal mechanical arm 106 is of an existing structure, the scheme is not specifically described, the top end of the universal mechanical arm 106 is fixedly provided with a measuring instrument 107, the measuring instrument 107 can use an existing equipment dial indicator, and the dial indicator can meet the requirement of measuring verticality in the scheme by structures such as a pointer 1071, a dial 1072 and the like.

The specific implementation process is as follows:

Before the verticality detection needs to be performed on the part 201 to be detected, the part 201 to be detected on the measuring tool 108 is placed towards the measuring instrument 107, the part 201 to be detected on the measuring tool 108 is in a state that the bottom of the part 201 to be detected is placed on the measuring tool 108, then the part 201 to be detected is limited by using the fixing tool 109, and the fixing tool 109 and the measuring tool 108 are fixed through bolts, so that the part 201 to be detected is fixed.

During detection, the adjusting screw 104 is rotated to slide the measuring tool 108 on the positioning polished rod 103, the distance between the measuring tool 108 and the part to be detected 201 is ensured to be larger than the length of the part to be detected 201, then the universal mechanical arm 106 is adjusted to enable the pointer 1071 of the measuring instrument 107 to be in contact with the bottom end of the part to be detected 201 or the outer surface or the inner surface of the top end, then the adjusting screw 104 is rotated, the direction of the adjusting screw 104 is required to ensure that the pointer 1071 of the measuring instrument 107 can finish the measurement of the verticality of the part to be detected 201, when the adjusting screw 104 is rotated, the adjusting screw 104 is displaced, thereby driving the measuring tool 108 and the part to be detected 201 on the measuring tool 108 to displace, at this time, the dial 1072 of the measuring instrument 107 is observed, whether the pointer 1071 is deviated is determined, and when the pointer 1071 of the measuring instrument 107 is moved from the bottom end of the part to be detected 201 to the top end or from the top end to the bottom end, the measurement of the verticality of the part to be detected 201 is finished.

In this scheme, when measuring the verticality of the part 201 to be detected, the measuring instrument 107 and the part 201 to be detected are not moved or rotated, but the measurement is realized by translating the part 201 to be detected, so that the accuracy of the measurement result is ensured.

After the measurement is completed, the part 201 to be detected may be separated from the measuring instrument 107 by adjusting the universal mechanical arm 106 or rotating the adjusting screw 104 in the opposite direction, and then the part 201 to be detected may be removed from the measuring tool 108. When the parts 201 to be detected with different sizes are required to be measured, the fixing tools 109 are replaced to fix the parts 201 to be detected with different sizes, the pointer 1071 of the measuring instrument 107 can be ensured to be in contact with the parts 201 to be detected by adjusting the universal mechanical arm 106, and therefore the system measurement is completed, and the device is simple to operate and high in universality.

Example 2:

As shown in fig. 3, unlike in embodiment 1, the adjusting hole formed at the center of the measuring tool 108 is an adjusting through hole 1082, and the mounting through hole 111 is formed at the center of the other fixing block 102, the adjusting screw 104 passes through the threaded through hole 1021 and cooperates with the threads in the adjusting through hole 1082 to mount the measuring tool 108 and the adjusting screw 104, the adjusting screw 104 is rotatably mounted in the mounting through hole 111, the limiting block 113 is fixedly arranged on the adjusting screws 104 on both sides of the fixing block provided with the mounting through hole by welding or screwing or integrally forming, and the limiting block 113 is rotatably mounted in the limiting groove 112.

The specific embodiment is as follows:

Unlike in embodiment 1, after the fixing of the part 201 to be detected and the contact of the part 201 to be detected with the pointer 1071 of the measuring instrument 107 are completed, the adjusting screw 104 is rotated, the adjusting screw 104 does not displace itself under the cooperation of the stopper 113 and the stopper groove 112, and the measuring tool 108 screwed on the adjusting screw 104 displaces, thereby realizing the measurement of the verticality of the part 201 to be detected. The direction of the adjusting screw 104 can control the displacement direction of the measuring tool 108, so the rotation direction of the adjusting screw 104 needs to meet the requirement that the measuring instrument 107 can finish the verticality measurement of the part 201 to be detected.

In this scheme, when the verticality of the part 201 to be detected is measured, the measuring instrument 107 and the part 201 to be detected are not moved or rotated, so that the accuracy of the measurement result is ensured.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (6)

1. The utility model provides a straightness measurement frock is used to part, includes base, measuring apparatu, its characterized in that: two fixing blocks perpendicular to the base are fixedly arranged on the base, adjusting screws are arranged on the fixing blocks, and the measuring tool can be driven to slide on the positioning polished rod by rotating the adjusting screws through thread transmission; a positioning polished rod parallel to the base is symmetrically and fixedly arranged between the two fixed blocks along the central line of the fixed blocks, the positioning polished rod is positioned at the lower end of the fixed blocks, a measuring tool is slidably arranged on the positioning polished rod, a fixed tool is detachably arranged on the measuring tool, an adjusting hole is formed in the center of the fixed tool, and an adjusting screw is rotatably arranged in the adjusting hole; the installation block of the fixed installation measuring instrument is fixedly installed on the base at one side of the positioning polished rod.

2. The perpendicularity measuring tool for parts according to claim 1, wherein: the other end of the adjusting screw is fixedly provided with a limiting table.

3. The perpendicularity measuring tool for parts according to claim 2, wherein: the universal mechanical arm is fixedly installed on the installation block, and the measuring instrument is fixedly installed at the top end of the universal mechanical arm.

4. A perpendicularity measuring tool for parts according to claim 3, wherein: the adjusting hole is an adjusting blind hole, a rotating bearing is fixedly installed in the adjusting blind hole, and the adjusting screw is rotationally connected with the rotating bearing.

5. A perpendicularity measuring tool for parts according to claim 3, wherein: the adjusting hole is an adjusting through hole, a mounting through hole is formed in the fixing block at the other side, a limiting groove is formed in the mounting through hole, the adjusting screw penetrates through the adjusting through hole to be rotatably mounted in the mounting through hole, and a limiting block is fixed at the top end of the adjusting screw on two sides of the fixing block provided with the mounting through hole and rotatably mounted in the limiting groove.

6. A perpendicularity measuring tool for parts according to any one of claims 4 or 5, characterized in that: the length of the base is greater than the distance between the two fixed blocks.