CN-121994115-A - Full-automatic press fitting and coaxiality detection equipment for fan motor bearing

CN121994115ACN 121994115 ACN121994115 ACN 121994115ACN-121994115-A

Abstract

The invention relates to the technical field of fan motor bearing detection, and discloses full-automatic press fitting and coaxiality detection equipment for a fan motor bearing, which comprises a shell for placing a to-be-detected and a rack for mounting a coaxiality detection mechanism, wherein the coaxiality detection mechanism comprises an inserted detection component; the inserted detection assembly comprises a first detection cylinder used for detecting coaxiality deviation of a bearing groove on the shell, the extension assembly comprises detection heads, the first driving assembly is used for driving the detection heads to move after entering the shell, the detection heads are in contact with the inner wall of a bearing on the shell, the first detection cylinder is aligned with the bearing of the shell and inserted, the first driving assembly extrudes gas in the first detection cylinder, the detection heads move towards the inner wall of the bearing, whether the distances of the detection heads extending out of the first detection cylinder are consistent or not and whether the detection heads can move in the bearing smoothly or not can be judged, and coaxiality deviation is caused by machining errors of the bearing groove of the shell and installation inclination of the bearing, and the problem of positioning can be solved without additional disassembly.

Inventors

CHEN LING
SHI YIMING
LUO YONGMING

Assignees

杭州金久电器有限公司

Dates

Publication Date: 20260508
Application Date: 20251219

Claims (10)

1. Full-automatic press fitting and axiality check out test set of fan motor bearing, its characterized in that includes: The machine frame is used for placing a shell to be detected and installing a coaxiality detection mechanism, and the coaxiality detection mechanism comprises a plug-in detection component; the plug-in detection assembly comprises a first detection cylinder for detecting coaxiality deviation of a bearing groove on the shell; The extension assembly comprises a detection head for detecting coaxiality of the shell and the bearing; The first driving assembly is used for driving the detection head to move after entering the shell, so that the detection head is contacted with the inner wall of the bearing on the shell.
2. The full-automatic press-fit and coaxiality detection device for a fan motor bearing according to claim 1, wherein the plug-in detection assembly comprises: The plurality of unidirectional air inlet pipes are fixedly arranged on the first detection cylinder; the first fixing ring is fixedly arranged on the first detection cylinder, and a plurality of hollow annular pipes are fixedly arranged on the first fixing ring; The first one-way air outlet pipe is fixedly arranged on the first detection cylinder and is fixedly connected with the hollow annular pipe.
3. The full-automatic press-fit and coaxiality detection device for a fan motor bearing of claim 2, wherein the first driving assembly comprises: the piston is slidably arranged in the first detection cylinder, and a moving column which is slidably connected with the first detection cylinder is fixedly arranged on the piston; one end of the second unidirectional air outlet pipe is fixedly arranged on the piston and extends to the upper part of the piston, and the other end of the second unidirectional air outlet pipe is fixedly connected with the first fixed ring and communicated with the movable column.
4. The fully automatic press-fit and coaxiality detection device for a fan motor bearing of claim 3 wherein the first drive assembly further comprises: The extrusion column is fixedly arranged at the bottom of the piston; and the threaded base is in threaded connection with the movable column, and a plurality of first magnetic plates are fixedly arranged on the threaded base.
5. The fully automatic press-fit and coaxiality detection device for a fan motor bearing of claim 4, wherein the extension assembly comprises: the second detection tube is fixedly arranged on the first detection cylinder, and a positioning plate is fixedly arranged in the second detection tube; the first auxiliary rod is slidably arranged on the positioning plate and is fixedly connected with the detection head; And the second screw rod is rotationally connected with the positioning plate and is in threaded connection with the detection head.
6. The fully automatic press-fit and coaxiality detection device for a fan motor bearing of claim 5, wherein the extension assembly further comprises: the hollow box is fixedly connected with the second screw rod, and a plurality of bent pipes are rotatably arranged on the hollow box; the common gear is fixedly arranged on the bent pipe; One end of the connecting pipe is rotationally connected with the hollow box, and the other end of the connecting pipe is fixedly connected with the first unidirectional air outlet pipe.
7. The full-automatic press-fit and coaxiality detection device for a fan motor bearing of claim 6, wherein the coaxiality detection mechanism further comprises a switching assembly comprising: The second fixing ring is fixedly arranged on the connecting pipe; the hollow tube is rotatably arranged on the second fixed ring, and the surface of the hollow tube is provided with a track groove; the crown gear is fixedly arranged on the hollow tube; And the second auxiliary rod is fixedly arranged on the second fixed ring, and a magnetic ring extending to the inside of the track groove is arranged on the second auxiliary rod in a sliding manner.
8. The full-automatic press-fitting and coaxiality detection device for a fan motor bearing according to claim 2, wherein the coaxiality detection mechanism further comprises a second driving assembly comprising: The sliding rod is slidably arranged on the first fixed ring, and the bottom end of the sliding rod is fixedly provided with a driving ring; One end of the spring is fixedly connected with the first fixed ring, and the other end of the spring is fixedly connected with the driving ring; the second magnetic plate is fixedly arranged at the bottom of the driving ring.
9. The full-automatic press-fitting and coaxiality detection device for the fan motor bearing according to claim 2, wherein a pneumatic telescopic rod is fixedly installed on the frame and fixedly connected with the first detection cylinder.
10. The full-automatic press-fitting and coaxiality detection device for a fan motor bearing according to claim 1, wherein the coaxiality detection mechanism further comprises a coaxiality placement assembly comprising: The placement platform is fixedly arranged on the rack, and a mounting rack is fixedly arranged on the placement platform; The first screw rod is rotatably installed on the installation frame, and a movable platform which is in sliding connection with the placement platform is connected to the first screw rod in a threaded manner.

Description

Full-automatic press fitting and coaxiality detection equipment for fan motor bearing Technical Field The invention belongs to the technical field of detection of fan motor bearings, and particularly relates to full-automatic press fitting and coaxiality detection equipment for a fan motor bearing. Background In fan motor production, the axle center of bearing and casing, dabber needs coaxial, and the dabber needs to embed the casing bearing groove through both ends bearing, and the axle center of three must coincide, if there is axiality deviation, can not only lead to assembly jamming, unable smooth installation, can also cause bearing wearing and tearing aggravation, noise increase, the problem such as energy consumption rise when the motor is running, can shorten motor life when serious. In the current industry, the coaxiality detection of the bearing, the shell and the mandrel is generally carried out by press-fitting the bearing to the shell through independent equipment, and then the coaxiality is checked by workers through tools such as a dial indicator, a plug gauge and the like or the assembly clearance is observed and judged by experience, so that the detection precision is low, the deviation source is difficult to position, the traditional tool can only preliminarily judge whether the coaxiality deviation exists or not, but the deviation source cannot be distinguished accurately, namely the bearing installation deviation is caused by the machining error of the bearing groove of the shell, the inner ring of the bearing is inconsistent in size, or slight inclination occurs during press-fitting of the bearing, and if the detection finds that the clearance is uneven, the workers need to repeatedly detach and replace the bearing or the shell to check the reason, so that the detection is time-consuming, and possibly damaged parts due to detachment. Disclosure of Invention The invention aims to provide full-automatic press-fitting and coaxiality detection equipment for a fan motor bearing, which is used for solving the technical problem that in the prior art, a traditional coaxiality detection tool can only preliminarily judge whether coaxiality deviation exists or not, but cannot accurately distinguish deviation sources. In order to achieve the above purpose, the present invention adopts the following technical scheme: Full-automatic press fitting and axiality check out test set of fan motor bearing includes: The machine frame is used for placing a shell to be detected and installing a coaxiality detection mechanism, and the coaxiality detection mechanism comprises a plug-in detection component; the plug-in detection assembly comprises a first detection cylinder for detecting coaxiality deviation of a bearing groove on the shell; The extension assembly comprises a detection head for detecting coaxiality of the shell and the bearing; The first driving assembly is used for driving the detection head to move after entering the shell, so that the detection head is contacted with the inner wall of the bearing on the shell. According to some embodiments, the plug-in type detection assembly comprises a plurality of one-way air inlet pipes, a first fixing ring and a first one-way air outlet pipe, wherein the one-way air inlet pipes are fixedly arranged on a first detection cylinder, the first fixing ring is fixedly arranged on the first detection cylinder, a plurality of hollow annular pipes are fixedly arranged on the first fixing ring, and the first one-way air outlet pipe is fixedly arranged on the first detection cylinder and is fixedly connected with the hollow annular pipes. According to some embodiments, the first driving assembly comprises a piston, a second one-way air outlet pipe and a first fixing ring, wherein the piston is slidably arranged in the first detection cylinder, a moving column which is slidably connected with the first detection cylinder is fixedly arranged on the piston, one end of the second one-way air outlet pipe is fixedly arranged on the piston and extends to the upper side of the piston, and the other end of the second one-way air outlet pipe is fixedly connected with the first fixing ring and is communicated with the moving column. According to some embodiments, the first driving assembly further comprises an extrusion column fixedly arranged at the bottom of the piston, and a threaded base connected with the movable column in a threaded manner, and a plurality of first magnetic plates are fixedly arranged on the threaded base. According to some embodiments, the extension assembly comprises a second detection tube fixedly arranged on the first detection cylinder, a positioning plate fixedly arranged in the second detection tube, a first auxiliary rod slidably arranged on the positioning plate and fixedly connected with the detection head, and a second screw rod rotatably connected with the positioning plate and in threaded connection with the detection head. According to some