Automatic pipe joint milling machine

By using a design with a fixed plate and a moving plate in the automatic milling machine for pipe fittings, combined with an annular air cylinder and an air jet, the problems of chip cleaning and displacement in pipe fitting processing are solved, improving processing accuracy and cleaning efficiency.

CN117182618BActive Publication Date: 2025-12-09HAIYAN PIPE FITTING MFG CO LTD
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Patent Information

Application Number
CN202311222721.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-20
Publication Date
2025-12-09
Estimated Expiration
2043-09-20

AI Technical Summary

Technical Problem

When machining pipe fittings, existing automatic milling machines tend to cause chips to fall into the three-jaw chuck and the through-hole of the pipe fitting, increasing cleaning work. In addition, the pipe fitting may undergo axial displacement during machining, affecting machining accuracy.

Method used

An automatic milling machine for pipe fittings was designed. It employs a fixed plate and a movable plate set in the groove of the chuck. The movable plate is driven by an annular air cylinder to abut against the end of the pipe fitting for positioning. Debris is cleaned by an air jet head, and the machined head performs precise machining through X-axis and Y-axis slide rails.

Benefits of technology

It prevents pipe joint displacement during processing, ensures processing accuracy, effectively removes debris, and simplifies cleaning work.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN117182618B_ABST
    Figure CN117182618B_ABST
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Abstract

The application discloses a kind of pipe joint automatic milling machine, including rack, the side of the rack is fixed with working tank, the side of the working tank is rotatably installed chuck, a plurality of jaws are arranged on the chuck, recess is equipped at the center of the chuck, the side of rotating shaft close to chuck is installed with fixed ring, the back surface of the fixed ring is fixedly installed with chuck, the end of rotating shaft close to chuck is installed in the recess and is equipped with cleaning assembly, the cleaning assembly includes fixed plate and moving plate, annular inflatable cylinder is equipped between the fixed plate and moving plate.Annular inflatable cylinder drives moving plate to push the debris in recess out of recess, ensure the neatness of recess, do not affect jaw to pipe joint clamping;Jet head blows and cleans the passage of pipe fitting, to prevent debris remaining in pipe joint.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe joint processing, in particular to the technical field of automatic milling machine for pipe joint. BACKGROUND

[0002] When the pipe joint is produced, milling needs to be performed on the port of the pipe joint. The existing automatic milling machine clamps the pipe joint on a three-jaw chuck, and then processes the pipe joint through an automatic milling cutter. During processing, the generated waste is easy to fall into the through hole of the three-jaw chuck and the pipe, increasing the cleaning work, and the three-jaw chuck only clamps the pipe joint in the radial direction, so that the pipe joint may be axially displaced when the milling cutter processes the end face of the pipe joint, affecting the processing precision. SUMMARY

[0003] The purpose of the present application is to solve the problems in the prior art, and to provide an automatic milling machine for pipe joint, which can solve the above problems.

[0004] To achieve the above purpose, the present application provides an automatic milling machine for pipe joint, which comprises a rack, a working box is fixed on one side of the rack, a driving motor is arranged in the working box, a driving tooth is installed on the output shaft of the driving motor, the driving tooth is engaged with a rotating tooth, the rotating tooth is fixed on a rotating shaft, the rotating shaft is rotatably installed in the working box, a chuck is rotatably installed on the side surface of the working box, a plurality of clamping jaws are arranged in a ring around the chuck, a recess is arranged at the center of the chuck, a fixing ring is installed on the side of the rotating shaft close to the chuck, the fixing ring is fixedly installed on the back surface of the chuck, and a cleaning assembly is installed in the recess on the end of the rotating shaft close to the chuck.

[0005] Preferably, a through groove is formed in the rotating shaft, a hose joint is rotatably installed on the end of the rotating shaft away from the chuck, an air inlet pipe is connected to the hose joint, an air pump is connected to the air inlet pipe, a three-way joint is installed on the end of the rotating shaft arranged in the recess, an electromagnetic valve is installed on the three-way joint, the three-way joint is provided with a first joint, a second joint and a third joint, the first joint and the second joint are coaxially arranged, the first joint is fixedly installed on the rotating shaft, the second joint is connected with a flexible hose, the third joint is connected with a gas delivery pipe, the cleaning assembly comprises a fixed plate and a moving plate, the fixed plate is fixedly installed on the chuck, a plurality of springs are arranged between the fixed plate and the moving plate, a gas jet head is installed on the moving plate, the gas jet head is connected with the flexible hose, an annular inflation cylinder is arranged between the fixed plate and the moving plate, an inflation cavity is arranged in the annular inflation cylinder, the flexible hose is arranged in the central through hole of the annular inflation cylinder, and the gas delivery pipe is in communication with the inflation cavity.

[0006] Preferably, the inner side wall and the outer side wall of the annular inflation cylinder are provided with crease lines.

[0007] As preferred, the spring ring is arranged outside the annular inflation cylinder.

[0008] As preferred, the moving plate is in gap fit with the groove, the moving plate is provided with a pressure sensor, and the pressure sensor is electrically connected with the electromagnetic valve.

[0009] As preferred, the rack is provided with an X-axis slide rail, the X-axis slide rail is slidably installed with a moving seat, the moving seat is provided with a Y-axis slide rail, the Y-axis slide rail is slidably installed with a machining seat, and the machining seat is installed with a machining mechanism opposite to one side of the chuck.

[0010] As preferred, the machining mechanism comprises a first cutter head and a second cutter head, the first cutter head and the second cutter head are respectively rotationally installed on the machining seat, the first cutter head is annularly provided with a first machining cutter group, and the second cutter head is annularly provided with a second machining cutter group.

[0011] The beneficial effects of the present application are as follows: when the pipe joint is clamped by the fixed plate and the moving plate arranged in the groove of the chuck, the annular inflation cylinder drives the moving plate to move outward against the elastic force of the spring, so that the moving plate abuts against the end of the pipe joint, the end of the pipe joint is positioned, the pipe joint is prevented from moving inward under stress during machining, and the machining precision is affected; after machining, the annular inflation cylinder drives the moving plate to push the debris in the groove out of the groove, the groove is kept clean, the clamping jaw is not affected to clamp the pipe joint, and the jet head blows and cleans the channel of the pipe, so that the debris is prevented from remaining in the pipe joint.

[0012] The features and advantages of the present application will be described in detail in conjunction with the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the front view of the present application;

[0014] Figure 2 is the top view of the present application;

[0015] Figure 3 is the internal schematic view of the working box of the present application;

[0016] Figure 4 is the connection schematic view of the rotating shaft of the present application;

[0017] Figure 5 is the working schematic view of the annular inflation cylinder of the present application;

[0018] Figure 6 is the folding schematic view of the annular inflation cylinder of the present application.

[0019] In the figure: 1-frame, 2-working box, 3-rotating shaft, 4-chuck, 5-fixing ring, 6-cleaning assembly, 7-hose joint, 8-three-way joint, 9-ring-shaped inflatable cylinder, 11-X-axis slide rail, 12-moving seat, 13-Y-axis slide rail, 14-processing seat, 15-first cutter head, 16-second cutter head, 21-driving motor, 22-driving tooth, 23-rotating tooth, 31-through slot, 61-fixing plate, 62-moving plate, 63-spring, 71-air inlet pipe, 81-first joint, 82-second joint, 83-third joint, 84-air conveying pipe, 85-telescopic hose, 91-inflatable cavity, 92-fold line. DETAILED DESCRIPTION

[0020] BRIEF DESCRIPTION OF THE DRAWINGS Figures 1 to 6The utility model provides a kind of pipe joint automatic milling machine, including rack 1, one side of the rack 1 is fixed with workbox 2, driving motor 21 is equipped in the workbox 2, driving gear 22 is installed on the output shaft of the driving motor 21, the driving gear 22 is engaged with rotating gear 23, the rotating gear 23 is fixed on rotating shaft 3, the rotating shaft 3 is rotatably installed in workbox 2, chuck 4 is rotatably installed in the side surface of workbox 2, a plurality of clamping jaws are ringed on the chuck 4, recess 41 is equipped in the center of the chuck 4, fixed ring 5 is installed on the side of the rotating shaft 3 close to chuck 4, the fixed ring 5 is fixedly installed with the back of chuck 4, cleaning assembly 6 is installed in the recess 41 of the one end of the rotating shaft 3 close to chuck 4, through groove 31 is opened in the rotating shaft 3, hose joint 7 is rotatably installed on the end of the rotating shaft 3 away from chuck 4, the hose joint 7 is connected with air inlet pipe 71, the air inlet pipe 71 is connected with air pump 72, tee joint 8 is installed on the one end of the rotating shaft 3 in recess 41, electromagnetic valve is installed on the tee joint 8, the tee joint 8 is equipped with first joint 81, second joint 82 and third joint 83, first joint 81 and second joint 82 are coaxially arranged, first joint 81 is fixedly installed with rotating shaft 3, second joint 82 is connected with flexible hose 85, third joint 83 is connected with gas delivery pipe 84, the cleaning assembly 6 includes fixed plate 61 and moving plate 62, the fixed plate 61 is fixedly installed with chuck 4, the fixed plate 61 and moving plate 62 are connected by a plurality of springs 63, air jet head 64 is installed on the moving plate 62, the air jet head 64 is connected with flexible hose 85, annular inflation cylinder 9 is equipped between the fixed plate 61 and moving plate 62, inflation cavity 91 is equipped in the inside of the annular inflation cylinder 9, the flexible hose 85 is arranged in the central through-hole of the annular inflation cylinder 9, the gas delivery pipe 84 is communicated with the inflation cavity 91, the inner side wall and the outer side wall of the annular inflation cylinder 9 are provided with crease line 92, the spring 63 is ringed on the outside of the annular inflation cylinder 9, the moving plate 62 is gap fit with recess 41, the moving plate 62 is provided with pressure sensor, the pressure sensor is electrically connected with electromagnetic valve, X-axis slide rail 11 is equipped on the rack 1, the moving seat 12 is slidably installed on the X-axis slide rail 11, Y-axis slide rail 13 is equipped on the moving seat 12, processing seat 14 is slidably installed on the Y-axis slide rail 13, processing mechanism is installed on the side of the processing seat 14 opposite to chuck 4, the processing mechanism includes first cutter head 15 and second cutter head 16, the first cutter head 15 and the second cutter head 16 are rotatably installed on the processing seat 14, the first cutter head 15 is ringed with first processing cutter group, the second cutter head 16 is ringed with second processing cutter group.

[0021] The working process of the utility model:

[0022] In the working process of the present application, the pipe joint is clamped on the three-jaw chuck, the annular inflation cylinder is in a folded state, then the air pump works, the annular inflation cylinder is inflated, the moving plate is driven to move outward, after the moving plate abuts against the end of the pipe joint, the air jet head enters the inner hole of the pipe joint, the electromagnetic valve controls the third joint to be closed, the gas supply to the annular inflation cylinder is stopped, then the driving motor drives the chuck to rotate, the air pump blows air to the air jet head, and the debris generated during the machining is blown out of the inner hole of the pipe joint, after the machining is completed, the pipe joint is taken out, the clamping jaw is moved outward, then the annular inflation cylinder is continuously inflated, the moving plate is moved to the end of the groove, and the debris in the groove is completely removed, finally the annular inflation cylinder is deflated, the moving plate moves inward under the elastic force of the spring and returns to the original position.

[0023] The above examples are illustrative of the present application and are not limiting of the present application. Any modification of the present application that comes within the spirit and scope of the claims together with the embodiments specifically described herein will be considered as falling within the scope of the present application.

Claims

1. A pipe joint automatic milling machine characterized by: The utility model provides a kind of cleaning device for workpiece, including rack (1), one side of the rack (1) is fixed with workbox (2), drive motor (21) is equipped in the workbox (2), drive gear (22) is installed on the output shaft of the drive motor (21), drive gear (22) is engaged with rotation gear (23), rotation gear (23) is fixed on rotating shaft (3), rotating shaft (3) is rotatably installed in workbox (2), chuck (4) is rotatably installed in the side surface of workbox (2), chuck (4) is equipped with a plurality of clamping jaws, recess (41) is equipped in the center of chuck (4), fixed ring (5) is installed on the side of rotating shaft (3) close to chuck (4), fixed ring (5) is fixedly installed with the back of chuck (4), cleaning assembly (6) is installed in the recess (41) of the end of rotating shaft (3) close to chuck (4);Rotating shaft (3) is equipped with through slot (31) in, rotating shaft (3) is rotatably installed with hose joint (7) in the end away from chuck (4), hose joint (7) is connected with air inlet pipe (71), air inlet pipe (71) is connected with air pump (72), three-way joint (8) is installed in the end of rotating shaft (3) in recess (41), electromagnetic valve is installed on three-way joint (8), three-way joint (8) is equipped with first joint (81), second joint (82) and third joint (83), first joint (81) and second joint (82) are coaxially arranged, first joint (81) is fixedly installed with rotating shaft (3), second joint (82) is connected with telescopic hose (85), third joint (83) is connected with gas delivery pipe (84), the cleaning assembly (6) includes fixed plate (61) and moving plate (62), fixed plate (61) is fixedly installed with chuck (4), fixed plate (61) and moving plate (62) are connected by a plurality of springs (63), moving plate (62) is installed with air jet head (64), air jet head (64) is connected with telescopic hose (85), annular inflatable cylinder (9) is equipped between fixed plate (61) and moving plate (62), inflatable cavity (91) is equipped in the inside of annular inflatable cylinder (9), telescopic hose (85) is arranged in the center through hole of annular inflatable cylinder (9), gas delivery pipe (84) is communicated with inflatable cavity (91);The inner side wall and the outer side wall of annular inflatable cylinder (9) are equipped with crease line (92);The moving plate (62) is gap matched with recess (41), pressure sensor is equipped on the moving plate (62), and pressure sensor is electrically connected with electromagnetic valve.In the working process, the pipe joint is clamped on the three-jaw chuck (4), the annular inflation cylinder (9) is in a folded state, then the air pump works, the annular inflation cylinder (9) is inflated, the moving plate (62) is driven to move outward, after the moving plate (62) abuts against the end of the pipe joint, the air jet head enters the inner hole of the pipe joint, the electromagnetic valve controls the third joint (83) to close, the gas supply to the annular inflation cylinder (9) is stopped, then the driving motor (21) drives the chuck (4) to rotate, the air pump blows air to the air jet head, and the debris generated during machining is blown out of the inner hole of the pipe joint, after machining, the pipe joint is taken out, the clamping jaw is moved outward, then the annular inflation cylinder (9) is continuously inflated, the moving plate (62) is moved to the end of the groove, and all the debris in the groove is cleaned out, finally the annular inflation cylinder (9) is deflated, the moving plate (62) moves inward under the elastic force of the spring (63) and returns to the original position.

2. The pipe coupling automatic milling machine of claim 1, wherein: The spring (63) is annularly arranged outside the annular inflation cylinder (9).

3. The pipe coupling automatic milling machine of claim 1, wherein: The rack (1) is provided with an X-axis sliding rail (11), a moving seat (12) is slidably installed on the X-axis sliding rail (11), the moving seat (12) is provided with a Y-axis sliding rail (13), a machining seat (14) is slidably installed on the Y-axis sliding rail (13), and a machining mechanism is installed on one side of the machining seat (14) opposite the chuck (4).

4. The pipe coupling automatic milling machine of claim 3, wherein: The machining mechanism comprises a first cutter head (15) and a second cutter head (16), the first cutter head (15) and the second cutter head (16) are rotatably installed on the machining seat (14) respectively, a first machining cutter group is annularly arranged on the first cutter head (15), and a second machining cutter group is annularly arranged on the second cutter head (16).

Citation Information

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