CN112985323B

CN112985323B - Check tool for equipment accessories

Info

Publication number: CN112985323B
Application number: CN202110211548.0A
Authority: CN
Inventors: 刘亚洲
Original assignee: Changchun Dahua Plastic Cement Product Co ltd
Current assignee: Changchun Dahua Plastic Cement Product Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-10-04
Anticipated expiration: 2041-02-25
Also published as: CN112985323A

Abstract

The invention provides a checking fixture for equipment fittings, which is provided with a moving part, wherein the moving part is fixed on a reference datum through a first positioning part and adjusts the spatial position of a checking fixture body relative to the reference datum; the moving part at least comprises a first position which is at a high position relative to the vertical direction of the reference datum and is close to the horizontal direction; and a second position which is at a low position in the vertical direction and far away from the horizontal direction relative to the reference datum; through the structure, an operator can visually switch between the first position higher and far away from the checking fixture and the second position lower and close to the checking fixture, but the operator does not need to excessively move, and the work load of the operator is greatly reduced.

Description

Check tool for equipment accessories

Technical Field

The invention relates to the field of production and processing of high-end equipment accessories, in particular to a gauge for high-precision and high-quality equipment accessories.

Background

In the production and processing field, the checking fixture is a simple tool for controlling various sizes (such as aperture, space size and the like) of products by industrial production enterprises, improves the production efficiency and controls the quality, and is suitable for mass production of products, such as equipment parts, to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges and the like.

Taking a gauge for equipment accessories as an example, the earliest flexible gauge (the first generation, namely the G1 flexible gauge) refers to a modular gauge or a combined gauge and a combined clamp, and has the characteristics of free combination, repeated use and the like, and the flexible gauge comprises a threaded hole array, a profile, hydraulic pressure and other different forms.

The second generation G2 flexible detection tool is a detection tool based on a measuring head, and has the characteristics of adjustability, quantitative measurement and the like, meanwhile, the position and the angle of the measuring head can be set according to the requirements of users, a used tool can also be adjusted according to products, and the flexible detection tool can also be an online detection system with relatively low cost.

Among the prior art, when measuring the inspection to some equipment accessories, need manpower assistance-robot to carry out the clamping on examining the utensil, through preliminary fixed back, carry out the careful observation data of naked eye vision again. Preliminarily fixing a workpiece needing to be moved by controlling a manipulator in an upright state by a person, observing whether clamping is successful or not by a telescopic angle on the whole by an operator after clamping, and detecting data on clamping fed back on a display; when the visual identification is carried out by naked eyes, the position of a corresponding point to be detected on the checking fixture is usually observed in a short distance, and whether the accessory and the checking fixture are properly matched or not is judged. When the accessory quantity that awaits measuring is huge, the operator need be higher, keep away from the position of examining the utensil and lower, be close to the position upper portion trunk of examining the utensil and remove repeatedly, make operating personnel very tired. How to reduce the workload of the operator through human factor engineering is one of the technical problems to be solved by the invention.

Disclosure of Invention

The present invention has been made to solve at least one of the problems occurring in the prior art or the related art.

In order to achieve the purpose, the technical scheme of the invention is provided.

Among this technical scheme, an equipment accessory examines utensil which characterized in that includes:

the checking fixture body is used for being matched with the equipment accessory;

the gauge is characterized by further comprising a moving part which is fixed on a reference datum through a first positioning part and adjusts the spatial position of the gauge body relative to the reference datum;

the moving part at least comprises a first position which is at a high position relative to the vertical direction of the reference datum and is close to the horizontal direction; and a second position which is at a low position in the vertical direction and far away from the horizontal direction relative to the reference datum;

a control unit which makes the moving part located at a first position when the equipment accessory is loaded on the checking tool body; after the equipment accessories are loaded, the moving part is located at the second position.

Preferably, the moving part includes:

the fixture comprises a fixture body, a fixing frame and a positioning device, wherein the fixture body is fixedly connected with the fixture body, the fixing frame comprises a lead screw which extends along the vertical direction, and a sliding sleeve is movably arranged on the lead screw;

the top end of the driving rod is pivotally connected with the sliding sleeve, and the bottom end of the driving rod is pivotally connected with the middle part of the fourth connecting rod;

one end of the first connecting rod and one end of the third connecting rod are both pivotally connected with the bottom end of the fixed frame;

the other end of the first connecting rod is pivotally connected with one end of the second connecting rod;

the other end of the third connecting rod is pivotally connected with one end of the fourth connecting rod;

the other end of the fourth connecting rod is pivotally connected with the middle part of the second connecting rod;

the other end of the second connecting rod is pivotally connected with the reference datum to form a positioning part;

an internal source drive for powering the moving part as it moves on the path of the first and second positions.

Preferably, the internal source driving part is arranged inside the fixing frame, and the internal source driving part comprises a motor which is in driving connection with a screw rod of the fixing frame through a speed reducing device.

Preferably, the method further comprises the following steps:

the feeding portion for carry to examining a body and load equipment accessory operation, specifically include:

a swing arm that rotates around the second positioning portion;

the frame carrier is arranged on the spiral arm and freely rotates around a planet shaft in a mode of keeping the posture in the space, and the planet shaft is parallel to the rotating shaft of the second positioning part;

the control unit further includes:

a rotation angle measuring part for obtaining the rotation angle of the rotary arm relative to the second positioning part;

a coordinate system calculation unit that calculates coordinates of the rack carrier in the swing arm coordinate system using the second positioning portion as an origin and the swing arm coordinate system rotating around the second positioning portion as a reference, and further calculates coordinates of equipment parts on the rack carrier that freely rotate around the planetary axis in a fixed posture in the swing arm coordinate system;

a moving part calculation part which calculates the displacement amount and the displacement time of the moving part according to the coordinates in the swing arm coordinate system through the equipment accessories and obtains a driving signal;

and a driving part which generates a signal for controlling the movement of the moving part and the operation of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating part and the driving signal obtained by the moving part calculating part, so that the equipment fitting is transferred from the rack carrier to the checking fixture body at the first position.

Preferably, the feeder section comprises a plurality of arms, one for each of said rack carriers.

The invention also provides a control method of the checking fixture for the equipment fitting,

s1, starting a detection tool control unit of an equipment accessory;

s2, the rotation angle measuring part obtains the rotation angle of the rotating arm relative to the second positioning part;

s3, calculating the displacement and the displacement time of the moving part by the moving part calculation part according to the coordinates of the equipment accessories in the swing arm coordinate system, and obtaining a driving signal;

s4, a driving part generates a signal for controlling the movement of the moving part and the movement of the swing arm according to the coordinates of the equipment accessories in the swing arm coordinate system calculated by the coordinate system calculating part and a driving signal obtained by the moving part calculating part, so that the equipment accessories are transferred from the rack carrier to the checking fixture body at a first position;

s5, moving the moving part from the first position to the second position;

s6, removing the equipment accessory at the second position, and moving the moving part from the second position to the first position; while repeating the S2 operation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 shows a schematic view of a gauge construction of an equipment accessory according to an embodiment of the invention;

FIG. 2 is a schematic structural view of a gauge moving part of an equipment fitting according to an embodiment;

fig. 3 shows a structural schematic diagram of the inspection device with the equipment fitting of the embodiment, which comprises a feeding part for feeding the inspection device body.

The correspondence between the labels and the structures in fig. 1 to 3 is as follows:

a motor 11; a drive wheel 12; a driven pulley 13; a fixed frame 14; a slide bush 21; a lead screw 22; a drive rod 30; a first link 40; a second link 50; a third link 60; a fourth link 70; rotating the arm: 80; and (3) support carrier: 81; rotating shafts P1, P2, P3, P4, P5 and P6; the gauge comprises a gauge body A; a moving part B; a first positioning portion C; a second positioning portion C1; a first position D1; a second position D2; point E is observed visually.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments according to the invention are described below with reference to fig. 1-2.

Example 1:

fig. 1 shows a schematic structural diagram of an equipment fitting checking fixture in different states according to one embodiment of the invention. As shown in fig. 1, the present embodiment provides a fixture for an equipment fitting, including: the checking fixture body A is used for being matched with the equipment accessory; the gauge is characterized by further comprising a moving part B, wherein the moving part B is fixed on a reference datum through a first positioning part C and adjusts the spatial position of the gauge body A relative to the reference datum; the moving part B at least comprises a first position D1 which is at a high position relative to the vertical direction of a reference datum and is close to the horizontal direction; and a second position D2 which is at a low position in the vertical direction and away from the horizontal direction with respect to the reference; a control unit which makes the moving part B be located at a first position D1 when the equipment accessory is loaded on the checking tool body A; after the equipment component is loaded, the moving part B is located at the second position D2.

The equipment accessory checking fixture can be applied to detection of equipment accessories of various different types, and by taking high-end automobile machining as an example, a left outer guard plate, a head-up display decorative cover, a lower guard plate assembly in an instrument panel and the like can be mainly used. Through the structure, an operator can visually switch between the first position D1 at a higher position and a second position D2 at a lower position, which is far away from the checking fixture, and the second position is close to the checking fixture, so that excessive movement of people is not needed, and the workload of the operator is greatly reduced.

Example 2:

fig. 2 shows a schematic structural view of a gauge moving part of an equipment fitting according to an embodiment of the present invention. The embodiment provides a utensil is examined to equipment accessory, and it includes removal portion B, specifically includes: the fixture 14 is fixedly connected with the checking fixture body A and comprises a lead screw 22 which extends in the vertical direction, and a sliding sleeve 21 is movably arranged on the lead screw 22; the top end of the driving rod 30 is pivotally connected with the sliding bush 21, and the bottom end of the driving rod 30 is pivotally connected with the middle part of the fourth connecting rod 70; one end of the first connecting rod 40 and one end of the third connecting rod 60 are both pivotally connected with the bottom end of the fixed frame 14; the other end of the first link 40 is pivotally connected to one end of the second link 50; the other end of the third link 60 is pivotally connected to one end of the fourth link 70; the other end of the fourth link 70 is pivotally connected to the middle of the second link 50; the other end of the second link 50 is pivotally connected with the reference datum to form a positioning part C; an internal source drive for powering the moving part B as it moves in the path of the first and second positions D1 and D2.

It should be defined that the so-called internal source driving part means that the whole driving structure is installed inside the fixture of the equipment fitting, and the advantages thereof are two points:

firstly, in the occasion of utensil is examined to practical application equipment accessory, structure installation space and wiring space are very restricted, and different utensil of examining corresponds different equipment accessories, still involves frequent operation switching in the production, and what correspond with it is the change of examining the utensil differently. The driving structure is integrated in the checking fixture of the equipment fitting, so that the mounting difficulty of the checking fixture of the equipment fitting on a production line can be greatly reduced, external auxiliary equipment such as a guide rail and a cylinder is not required to be additionally arranged, and the mounting convenience is improved.

Secondly, the detection tool of the equipment fitting and the external fixed connection point are completely concentrated on the positioning part C, two functions of pivot fixing and coordinate positioning are concentrated on the detection tool, all error control is completely executed based on the positioning part C, and if other external power input connection exists, the whole coordinate positioning system is damaged.

Example 3:

still referring to fig. 1 and fig. 2, the present embodiment provides a fixture for equipment accessories, which includes an internal source driving part disposed inside a fixing frame 14, the internal source driving part including a motor 11, which is in driving connection with a lead screw 22 of the fixing frame 14 through a speed reduction device, wherein an output shaft of the motor 11 is longitudinally arranged in space, and the output shaft of the motor is rotated and circumferentially displaced to be converted into displacement of a moving part B in two vectors, namely, in the horizontal space and the longitudinal space.

The embodiment provides a checking fixture of an equipment part, considering that a motor is a commercially available production device and cannot be further reduced in axial dimension, in order to reduce the dimension of the checking fixture of the equipment part in the horizontal direction, the output shaft of a motor 11 is creatively and longitudinally arranged in space, the internal dimension of the checking fixture in the longitudinal space is fully utilized, and the displacement of a moving part B in the two vectors of the space horizontal direction and the space longitudinal direction can be adjusted or controlled through the transmission ratio of a speed reducing device.

Example 4:

referring to fig. 3, the present embodiment provides an equipment fitting checking fixture, including the feed portion, is used for carrying the equipment fitting operation of loading to checking fixture body a, specifically includes: a swing arm 80 that rotates about the second positioning portion C1; a carrier 81 provided on the swing arm to freely rotate around a planetary shaft in a manner of maintaining a posture in a space, the planetary shaft being parallel to a rotation shaft of the second positioning portion C1; the control unit further includes: a rotation angle measuring unit for obtaining a rotation angle of the arm with respect to the second positioning unit C1; a coordinate system calculation unit that calculates coordinates of the carrier 81 in the radial arm coordinate system using the second positioning portion C1 as an origin and the radial arm coordinate system rotating around the second positioning portion C1 as a reference, and further calculates coordinates of an equipment fitting that is freely rotatable around the planetary axis in a fixed posture on the carrier 81 in the radial arm coordinate system; a moving part B calculation part which calculates the displacement amount and the displacement time of the moving part B according to the coordinates in the swing arm coordinate system through the equipment accessories and obtains a driving signal; and a driving unit for generating a signal for controlling the movement of the moving unit B and the operation of the swing arm so that the equipment fitting is transferred from the rack carrier 81 to the fixture body a at the first position D1, based on the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating unit and the driving signal obtained by the moving unit B calculating unit. The first positioning portion C and the second positioning portion C1 mutually identify the positions of the other in the present coordinate system.

In fig. 3, X1 represents a position of the planetary axis at the end of the radial arm and rotates to the X2 position.

Preferably, the feeding portion comprises a plurality of radial arms, one for each of said rack carriers 81.

The embodiment provides an equipment accessory's utensil has further add the feed portion, can load equipment accessory on examining utensil body A in first position D1 department automatically in process of production.

The calculation mode of the coordinate system is further provided, and the position relation and the matching relation of the feeding part and the checking fixture body A are accurately judged through the first positioning part C and the second positioning part C1 of the two positioning parts and the relation between the two positioning parts.

When the embodiment is used:

s1, starting a detection tool control unit of an equipment accessory;

s2, the rotation angle measuring part obtains the rotation angle of the rotating arm relative to the second positioning part C1;

s3, calculating the displacement and the displacement time of the moving part B by the operation part of the moving part B according to the coordinates of the equipment accessories in the swing arm coordinate system, and obtaining a driving signal;

s4, a driving part which generates a signal for controlling the movement of the moving part B and the movement of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculation part and the driving signal obtained by the moving part B calculation part, so that the equipment fitting is transferred from the frame carrier 81 to the checking fixture body A at a first position D1;

s5, moving the moving part B from the first position D1 to the second position D2;

s6, removing the equipment accessories at the second position D2, and moving the moving part B from the second position D2 to the first position D1; while repeating the S2 operation.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to include, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "spatial horizontal", and "spatial longitudinal", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or unit referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An equipment fitting testing fixture, comprising:

the gauge body (A) is used for being matched with the equipment accessory;

the gauge is characterized by further comprising a moving part (B) which is fixed on a reference datum through a first positioning part (C) and adjusts the spatial position of the gauge body relative to the reference datum;

the moving part (B) at least comprises a first position (D1) which is at a high position relative to the vertical direction of a reference standard and is close to the horizontal direction; and a second position (D2) which is vertically low and horizontally far from the reference base;

a control unit which makes the moving part be located at a first position (D1) when the equipment fitting is loaded on the checking tool body; after the equipment accessories are loaded, the moving part is located at a second position (D2);

wherein the moving part (B) comprises:

the fixture comprises a fixed frame (14) which is fixedly connected with the checking fixture body, wherein the fixed frame comprises a lead screw (22) which extends along the vertical direction, and a sliding sleeve (21) which is movably arranged on the lead screw;

the top end of the driving rod (30) is pivotally connected with the sliding sleeve (21), and the bottom end of the driving rod (30) is pivotally connected with the middle part of the fourth connecting rod (70);

one end of the first connecting rod (40) and one end of the third connecting rod (60) are both pivotally connected with the bottom end of the fixed frame (14);

the other end of the first connecting rod (40) is pivotally connected with one end of the second connecting rod (50);

the other end of the third connecting rod (60) is pivotally connected with one end of the fourth connecting rod (70);

the other end of the fourth connecting rod (70) is pivotally connected with the middle part of the second connecting rod (50);

the other end of the second connecting rod (50) is pivotally connected with the reference datum to form a positioning part (C);

an internal source drive for powering the moving part (B) when moving on the path of the first position (D1) and the second position (D2).

2. The tool for testing equipment accessories according to claim 1, wherein the internal source driving part is arranged inside the fixed frame (14), and the internal source driving part comprises a motor (11) which is in driving connection with a lead screw (22) of the fixed frame (14) through a speed reduction device, wherein an output shaft of the motor is longitudinally arranged in space, and the output shaft of the motor is rotated and circumferentially displaced to be converted into displacement of the moving part in two vectors of the space level and the space longitudinal direction.

3. The fixture of an equipment fitting of claim 1, further comprising:

the feed portion for carry the loading equipment accessory operation to examining a body, specifically include:

a swing arm (80) that rotates about the second positioning section (C1);

a carrier (81) which is provided on the swing arm so as to freely rotate around a planetary shaft in a manner of maintaining the posture in the space, the planetary shaft being parallel to the rotation shaft of the second positioning portion (C1);

the control unit further includes:

a rotation angle measuring part for obtaining the rotation angle of the rotating arm relative to the second positioning part (C1);

a coordinate system calculation unit that calculates the coordinates of the carrier (81) in the radial coordinate system using the second positioning unit (C1) as the origin and the radial coordinate system rotating around the second positioning unit (C1) as the reference, and further calculates the coordinates of the equipment fitting that is freely rotatable around the planetary axis in a fixed posture on the carrier (81) in the radial coordinate system;

and a drive unit which generates a signal for controlling the movement of the moving unit and the operation of the swing arm so that the equipment fitting is transferred from the rack carrier (81) to the fixture body (A) at a first position (D1) based on the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculation unit and the drive signal obtained by the moving unit calculation unit.

4. The fixture of claim 3, wherein the feeder portion includes a plurality of arms, each arm corresponding to one of the rack carriers.

5. A control method applied to the inspection tool of the equipment fitting according to claim 4, characterized in that:

s1, starting a detection tool control unit of an equipment accessory;

s3, calculating the displacement and the displacement time of the moving part by the operation part of the moving part according to the coordinates of the equipment accessories in the swing arm coordinate system, and obtaining a driving signal;

s4, a driving part which generates a signal for controlling the movement of the moving part and the movement of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating part and the driving signal obtained by the moving part calculating part, so that the equipment fitting is transferred from the frame carrier to the checking fixture body at a first position;

s5, moving the moving part from the first position to the second position;