CN211178199U

CN211178199U - Automobile air conditioner compressor main shaft end face runout detection device

Info

Publication number: CN211178199U
Application number: CN201922263773.XU
Authority: CN
Inventors: 徐已昆; 张秋雷; 李震
Original assignee: Mudanjiang Foton Automotive Air Conditioner Co ltd
Current assignee: Mudanjiang Foton Automotive Air Conditioner Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-04
Anticipated expiration: 2029-12-17

Abstract

A kind of car air conditioner compressor main axis end face detection device, including base support, bottom plate, locating rack, supporting arm, detecting gauge base and dial indicator, locating rack, supporting arm and detecting gauge base are set up and installed on the bottom plate put to one side obliquely perpendicularly sequentially with the bottom plate, wherein, the locating rack is set up in the lower side of horizontal height, detect the gauge base and set up and install in the higher side of horizontal height, the supporting arm is set up between locating rack and detecting gauge base, set up the position and detect the main axis and have the smooth shaft body position of equal diameter and correspond to; the detection device is used for detecting the main shaft, the gravity of the inclined detection main shaft can counteract or reduce the generation trend of axial drift or movement, so that the manual operation error can be effectively reduced, the stability of detection rotation is improved, and the accuracy of jumping detection is improved; furthermore, point contact between the positioning surface of the positioning block and the supporting end surface of the detection main shaft is realized, the frictional resistance between the positioning block and the supporting end surface of the detection main shaft can be reduced, the rotation stability is further improved, and the detection precision is improved.

Description

Automobile air conditioner compressor main shaft end face runout detection device

Technical Field

The utility model relates to an axis of rotation end face runout detection device, in particular to vehicle air conditioner compressor main shaft end face runout detection device.

Background

The main shaft is the most main power transmission part of the automobile air-conditioning compressor, and the main shaft always keeps and drives the swash plate to rotate at a high speed under the running state to push the piston to reciprocate and realize the action processes of compression, exhaust, expansion, absorption and the like of a refrigeration medium, so that the requirements on the design and the processing precision of the main shaft are high, and the control on the jumping quantity of the end surface of the main shaft is very strict; according to structural design requirement, the gasket need be installed additional to vehicle air conditioner compressor main shaft front end for the clearance volume between control belt pulley and the driving-disc, only 0.3 ~ 0.6 millimeter of the scope of advocating, if main shaft terminal surface runout volume is too big, it is inhomogeneous to lead to the clearance, and then lead to taking place the driving-disc card to die or actuation operation trouble such as not last, seriously influence product quality, so must carry out the end face runout to vehicle air conditioner compressor main shaft class before vehicle air conditioner compressor assembly and detect. The method for detecting the end face runout of the main shaft of the automobile air-conditioning compressor in the current production comprises the following steps: the detection main shaft is horizontally arranged on the horizontal support frame, one end of the detection main shaft is limited in a single direction by means of the limiting body, the end face of the other end of the detection main shaft is provided with a monitoring point and is connected with a detection tool, an operator rotates the detection main shaft manually, and meanwhile detection parameters are obtained on the detection tool. The detection method has high requirement on the axial stability of the detection main shaft, and the tiny axial vibration of the detection main shaft can generate great influence on the detection result in the detection process to form detection errors, so that the detection main shaft which is horizontally placed in a one-way limiting mode is manually rotated in the operation process, the tiny drift in the axial direction is difficult to avoid, the stability of the axial position of the detection main shaft cannot be strictly ensured, and meanwhile, the friction effect generated on the contact surface of a limiting body and the detection main shaft in the rotation process also generates influence on the detection precision to a certain extent, so the existing detection method cannot well meet the requirement of actual production, and the improvement on the existing detection method for the end face runout of the main shaft of the automobile air conditioner compressor is necessary, the stable detection is increased, and the detection precision is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vehicle air conditioner compressor main shaft end face detection device that beats increases and detects the steady line, improves and detects the precision.

The utility model provides a vehicle air conditioner compressor main shaft end face detection device that beats, includes: base support, bottom plate, locating rack, support frame, detection table base and amesdial.

The upper end surface of the base support is an inclined surface which keeps an inclined angle A with the horizontal plane, the bottom plate is arranged on the upper end surface of the base support, and the inclined angle A is preferably 20-80 degrees; the locating rack the support frame with detect the table base with the bottom plate is mutually perpendicular, sets gradually and installs and put to one side on the bottom plate, the locating rack sets up in the lower one side of level, it installs in the higher one side of level to detect the table base setting, the support frame the locating rack with detect and set up between the table base, it is corresponding with the smooth axle body position of the equal diameter that detects main epaxial position, and preferred setting quantity is more than 2 and 2, wherein: the positioning frame is provided with a positioning block, the end face of the positioning block is in contact positioning with the supporting end face of the detection spindle and has surface performance meeting the technical requirements of detection, a supporting groove is formed in the upper end of the supporting frame, the supporting groove is preferably in a V-shaped groove shape, the dial indicator for detection is installed on the detection indicator base, and the measuring rod of the dial indicator is axially parallel to the detection spindle.

When the automobile air conditioner compressor spindle end face runout detection device is used for end face runout detection, the detection spindle is placed in a supporting groove in the supporting frame, the supporting end face is placed on the end face of the positioning block, the orientation position of the dial indicator is adjusted, the measuring rod is parallel to the central axis of the detection spindle and abuts against the detection end face of the detection spindle, and then the detection spindle is manually and gently rotated to perform detection; at this time, because the detection main shaft is in an inclined state, drift or displacement towards the detection end face direction needs to overcome the self-gravity of the detection main shaft firstly, so that the drift tendency towards the detection end face direction in the rotation detection process is greatly reduced, the stability of the axial position of the detection main shaft can be well ensured, and the detection precision is improved.

Furthermore, a protruding spherical surface is arranged on the positioning surface of the positioning block and corresponds to the axis position of the detection main shaft, so that the supporting end surface of the detection main shaft and the positioning surface of the positioning block are in central point contact in the detection process, the relative friction resistance is reduced, the rotation stability is improved, and the detection precision is improved.

Still further, protruding sphere with the locating piece adopts the components of a whole that can function independently structure, by the steel ball with the spherical segment recess combination of the same camber of seting up on the locating piece locating surface forms, not only be favorable to further reduce the frictional resistance between the support terminal surface of detection main shaft with the locating surface of locating piece, also be favorable to the timely change to wearing and tearing steel ball simultaneously, avoid leading to because of protruding sphere wearing and tearing the whole condemned phenomenon of locating piece reduces manufacturing cost consumption.

The utility model has the advantages that: the end face runout detection device for the main shaft of the automobile air conditioner compressor is characterized in that a detection method for enabling a detection main shaft to be inclined is adopted, the self gravity of the detection main shaft is utilized to offset or reduce the generation trend of axial drift or movement, manual operation errors can be reduced, the stability of detection rotation is improved, and the accuracy of runout detection is improved; furthermore, the optimized positioning block positioning surface is in point contact with the supporting end surface of the detection main shaft, so that the relative friction resistance between the positioning block positioning surface and the detection main shaft can be effectively reduced, the rotation stability is further improved, and the detection precision is improved.

Drawings

FIG. 1 is a front view of a main shaft end face run-out parameter detection device of an automobile air conditioner compressor.

FIG. 2 is a plan view of the automobile air conditioner compressor main shaft end face run-out parameter detection device along the direction A.

Fig. 3, front view of the supporting frame structure.

Detailed Description

The claimed technical solution of the present invention is further described below with reference to the following specific embodiments and the accompanying drawings.

A main shaft jumping parameter detection device of an automobile air conditioner compressor, as shown in figures 1 and 2, comprises: the device comprises a base support 1, a bottom plate 2, a positioning frame 3, a supporting frame 4, a detection meter base 5 and a dial indicator 6.

The base support 1 is of a triangular structure, the inclination angle A of the upper end face relative to the horizontal plane is 45 degrees, the bottom plate 2 is arranged on the upper end face of the base support 1, the positioning frame 3, the supporting frame 4 and the detection meter base 5 are perpendicular to the bottom plate 1 and are sequentially arranged on the

bottom plate

2, and 2 supporting frames 4 are arranged corresponding to the equal-diameter smooth shaft body positions of the detection main shaft 9; the positioning frame 3 is provided with a positioning block 7, the positioning block is cylindrical, a ball gap groove is formed in the circle center of a circular positioning surface of the positioning block 7, a steel ball 8 with the same curvature radius as the ball gap groove is embedded in the ball gap groove, a V-shaped supporting groove is formed in the upper end of the supporting frame 4, and as shown in fig. 3, the dial indicator 6 is installed on the base of the detection gauge 5.

The end face runout detection device for the main shaft of the automobile air conditioner compressor is used for end face runout detection, and the operation method comprises the following steps: the detection main shaft 9 is arranged in a V groove on the support frame 4, the steel ball 8 is embedded in a ball gap groove on a positioning surface of the positioning block 7, a supporting end surface of the detection main shaft 9 is arranged on the positioning surface of the positioning block 7, the supporting end surface is in point contact with the steel ball 8, the contact point is kept at the center of the supporting end surface, the orientation position of the dial indicator 6 is adjusted, the measuring rod 10 is parallel to the central axis of the detection main shaft 9 and abuts against the detection end surface of the detection main shaft 9, then the detection main shaft 9 is manually and flexibly rotated, and meanwhile detection data are read from the dial indicator 6 until the detection of the detection main shaft 9 is completed.

The test application result of the automobile air conditioner compressor main shaft end face run-out detection device in actual production shows that: the detection precision of the detection main shaft 9 can be obviously improved by using the automobile air conditioner compressor main shaft end face run-out detection device, and meanwhile, along with the improvement of the detection precision, the detection working efficiency can be greatly improved due to the reduction of repeated detection times, and the labor intensity of the detection work is reduced.

Claims

1. The utility model provides a vehicle air conditioner compressor main shaft end face detection device that beats which characterized in that includes: the device comprises a base support (1), a bottom plate (2), a positioning frame (3), a supporting frame (4), a detection meter base (5) and a dial indicator (6);

the upper end face of the base support (1) is an inclined plane which keeps an inclined angle A with the horizontal plane, and the bottom plate (2) is arranged on the upper end face of the base support (1); locating rack (3), support frame (4) with detect table base (5) with bottom plate (2) are mutually perpendicular, set gradually and install to one side on bottom plate (2), locating rack (3) set up in the lower one side of level, it installs in the higher one side of level to detect table base (5) setting, support frame (4) are in locating rack (3) with detect and set up between table base (5), wherein: the positioning frame (3) is provided with a positioning block (7), the upper end of the support frame (4) is provided with a support groove, and the dial indicator (6) is installed on the detection meter base (5).

2. The device for detecting the end face runout of the main shaft of the automobile air-conditioning compressor as claimed in claim 1, wherein: and a convex spherical surface is arranged on the positioning surface of the positioning block (7).

3. The device for detecting the end face runout of the main shaft of the automobile air-conditioning compressor as claimed in claim 2, wherein: the convex spherical surface and the positioning block (7) adopt a split structure and are formed by combining steel balls (8) and ball segment grooves with the same curvature arranged on the positioning surface of the positioning block (7).

4. The device for detecting the end face runout of the main shaft of the automobile air-conditioning compressor as claimed in any one of claims 1 to 3, wherein: the upper end surface of the base support is provided with an inclination angle A which is kept between 20 and 80 degrees with the horizontal plane.

5. The device for detecting the end face runout of the main shaft of the automobile air-conditioning compressor as claimed in claim 4, wherein: the number of the support frames (4) is 2 or more than 2.