Automatic polishing equipment for metal pipe sealing ball head

Abstract

The utility model relates to automatic polishing equipment for metal pipe sealing ball heads. The device comprises a frame, a supporting bottom plate is arranged on the frame, a supporting plate is vertically arranged on the supporting bottom plate, and the upper end of the supporting plate is movably connected with the middle of a supporting movable plate through a rotating shaft; one end of the supporting movable plate is connected with the supporting bottom plate through an air cylinder, and the other end of the supporting movable plate is connected with the supporting bottom plate through a compensation servo air cylinder and a limiting rod. A driving servo motor is installed at one end of the supporting movable plate, the other end of the supporting movable plate is connected with a polishing wheel, and the driving servo motor is in transmission connection with a driving shaft of the polishing wheel through a transmission gear and a transmission synchronous belt. The utility model mainly solves the technical problems of low sealing surface quality, backward polishing mode and high polishing reject ratio of the metal tube ball joint of the engine in the current automobile industry.

Description

Technical Field

[0001] The utility model relates to processing equipment for sealing ball heads of high-pressure metal pipes of automobile engines, in particular to automatic polishing equipment for sealing ball heads of metal pipes. Background Art

[0002] There are many types of pipes on automobile engines, with different functions, and none of them can be missing. As an important connecting component of the engine, the sealing of the connection port with the functional parts is particularly important, especially for high-pressure (≥350bar) metal pipes connected by hard seals. In order to reduce the risk of leakage, the port sealing area is often surface polished. Traditional polishing methods are mostly done manually, with rough quality, poor consistency, high defective rate, dangerous operation, harsh environment, and low efficiency. The automatic ball head polishing machine for pipes based on ordinary instrument lathes is designed in a targeted manner in combination with the characteristics of metal pipes in the automotive industry, which can meet the automatic, precise, stable and efficient polishing requirements of such pipes. Utility Model Content

[0003] The utility model aims to provide an automatic polishing device for metal tube sealing ball heads, which mainly solves the technical problems of low quality of sealing surface of metal tube ball heads in the current automobile industry, backward polishing method and high polishing defect rate.

[0004] The technical solution of the utility model is:

[0005] An automatic polishing device for sealing ball heads of metal tubes is characterized in that: it includes a frame, a supporting base plate is arranged on the frame, a supporting plate is vertically arranged on the supporting base plate, the upper end of the supporting plate is movably connected to the middle of a supporting movable plate through a rotating shaft; one end of the supporting movable plate is connected to the supporting base plate through a cylinder, and one end of the supporting movable plate is connected to the supporting base plate through a compensating servo cylinder and a limit rod; one end of the supporting movable plate is installed with a driving servo motor and the other end is connected to a polishing wheel, and the driving servo motor is connected to the driving shaft of the polishing wheel through a transmission gear and a transmission synchronous belt.

[0006] The automatic polishing device for sealing ball heads of metal tubes is characterized in that a moving mechanism is arranged between the supporting bottom plate and the frame.

[0007] The automatic polishing equipment for sealing ball heads of metal tubes is characterized in that the moving mechanism includes a guide rail arranged on the frame, a slide seat arranged on the guide rail and connected to the bottom of the supporting base plate, and a moving servo motor connected to the frame to drive the slide seat to move.

[0008] The automatic polishing device for sealing ball heads of metal tubes is characterized in that a sensor for sensing the moving position of the slide seat is arranged on the frame.

[0009] The automatic polishing device for sealing ball heads of metal tubes is characterized in that one end of the supporting movable plate is connected to the supporting bottom plate through a cylinder and a spring.

[0010] The automatic polishing device for sealing ball heads of metal tubes is characterized in that a bearing seat for supporting the driving shaft of the polishing wheel is arranged on the supporting movable plate.

[0011] The automatic polishing equipment for sealing ball heads of metal tubes is characterized in that a transmission shield is arranged outside the transmission synchronous belt and the transmission gear.

[0012] The automatic polishing device for sealing ball heads of metal tubes is characterized in that a polishing wheel guard is arranged outside the polishing wheel.

[0013] The utility model of automatic polishing equipment for sealing ball heads of metal pipes is an innovative product based on ordinary instrument lathes. The product is loaded manually or by a manipulator, and then the equipment automatically completes the subsequent polishing wheel movement, rotation, feeding, compensation, reset and other actions, which can be carried out cyclically. Its notable features are:

[0014] 1. Compact structure, easy maintenance and disassembly, stable product processing quality, and can meet the needs of automated production.

[0015] 2. Profile polishing can be achieved according to the different contour curves of the ball head.

[0016] 3. Make full use of existing obsolete and obsolete equipment to creatively solve problems that need to be solved urgently in production at a low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a preferred embodiment of the practical automatic polishing equipment;

[0018] Figure 2 It is a schematic diagram of a sealing ball head for a metal pipe of an automobile engine.

[0019] Among them, 1-driving servo motor, 2-transmission gear, 3-transmission synchronous belt, 4-spring, 5-cylinder, 6-support plate, 7-moving servo motor, 8-frame, 9-sensor, 10-support base plate, 11-compensation servo electric cylinder, 12-bearing seat, 13-polishing wheel, 14-polishing wheel cover, 15-support movable plate, 16-limit rod, 17-transmission cover; 201-ball head, 202-tube body. DETAILED DESCRIPTION

[0020] The specific embodiments of the present utility model will be described below with reference to the accompanying drawings.

[0021] See also Figure 2The utility model discloses an automatic polishing device for sealing ball heads of metal pipes, which is used for polishing sealing ball heads of metal pipes, such as high-pressure oil pipes. The high-pressure oil pipes are composed of ball heads 201 and pipe bodies 202, wherein the ball heads 201 are the parts that need to be polished. Example

[0022] See also Figure 1 , it is an automatic polishing equipment for metal tube sealing ball heads. As shown in the figure: it includes a frame 8, on which a supporting base plate 10 is arranged, on which a supporting plate 6 is vertically arranged, and the upper end of the supporting plate 6 is movably connected to the middle of a supporting movable plate 15 through a rotating shaft (so that the two ends of the supporting movable plate 15 can swing up and down); one end of the supporting movable plate 15 is connected to the supporting base plate 10 through a cylinder 5, and one end of the supporting movable plate 15 is connected to the supporting base plate 10 through a compensation servo cylinder 11 and a limit rod 16 (for example: one end of the compensation servo electric cylinder 11 is fixed on the supporting base plate 10, and the other end is connected to the top block, and the limit rod 16 is fixed on the supporting movable plate 15, and a clearance hole is arranged below; when working, the top block passes through the clearance hole on the supporting movable plate 15 and keeps in contact with the limit rod 16); one end of the supporting movable plate 15 is installed with a driving servo motor 1, and the other end is connected to a polishing wheel 13, and the driving servo motor 1 is connected to the driving shaft of the polishing wheel 13 through a transmission gear 2 and a transmission synchronous belt 3.

[0023] When in use, the cylinder 5 is used as a pushing unit to drive the supporting movable plate 15 to move up and down. The compensating servo cylinder 11 and the limit rod 16 are located at the other end of the supporting movable plate 15 as a servo limit unit to limit the amplitude of the up and down movement of the supporting movable plate 15. The driving servo motor 1 can output power and drive the polishing wheel 13 through the transmission gear 2 and the transmission synchronous belt 3, so that the polishing wheel 13 polishes the ball head.

[0024] In this embodiment, a moving mechanism is provided between the supporting base plate 10 and the frame 8 to realize the horizontal position movement of the polishing wheel.

[0025] As an embodiment, the moving mechanism includes a guide rail arranged on a frame 8, a slide seat arranged on the guide rail and connected to the bottom of a supporting base plate 10, and a moving servo motor 7 connected to the frame 8 and driving the slide seat to move (for example, the moving servo motor 7 can drive a screw and push the slide seat to move through the screw).

[0026] In order to facilitate monitoring or positioning of the horizontal position movement of the polishing wheel, a sensor 9 for sensing the movement position of the slide is provided on the frame 8.

[0027] In this embodiment, one end of the supporting movable plate 15 is connected to the supporting base plate 10 via a cylinder 5 and a spring 4. In particular, the provision of the spring 4 is conducive to realizing contour polishing according to different contour curves of the ball head.

[0028] In this embodiment, a bearing seat 12 for supporting a driving shaft of the polishing wheel 13 is disposed on the supporting movable plate 15 .

[0029] In order to protect the equipment, a transmission shield 17 is provided outside the transmission synchronous belt 3 and the transmission gear 2 , and a polishing wheel shield 14 is provided outside the polishing wheel 13 .

[0030] During the polishing process, the instrument lathe drives the sealing ball head 201 to rotate with the axis as the rotating shaft, and drives the servo motor 1 to rotate the polishing wheel 13. Then, the moving device drives the polishing wheel 13 to move horizontally, the cylinder 5 pushes the polishing wheel 13 close to the sealing ball head, and the compensation servo electric cylinder 11 controls the feeding amplitude of the polishing wheel 13. With the cooperation of the spring 04, the polishing wheel 13 is close to the outer side of the sealing ball head to be polished, completing the polishing operation.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. That is, any equivalent changes and modifications made according to the content of the patent application scope of the present invention should be within the technical scope of the present invention.

Claims

1. An automatic polishing device for sealing ball heads of metal tubes, characterized in that: The invention comprises a frame (8), a supporting base plate (10) being arranged on the frame (8), a supporting plate (6) being vertically arranged on the supporting base plate (10), the upper end of the supporting plate (6) being movably connected to the middle of a supporting movable plate (15) via a rotating shaft; one end of the supporting movable plate (15) being connected to the supporting base plate (10) via a cylinder (5), and one end of the supporting movable plate (15) being connected to the supporting base plate (10) via a compensating servo cylinder (11) and a limiting rod (16); one end of the supporting movable plate (15) being installed with a driving servo motor (1) and the other end being connected to a polishing wheel (13); the driving servo motor (1) being connected to the driving shaft of the polishing wheel (13) via a transmission gear (2) and a transmission synchronous belt (3).

2. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 1 is characterized in that: A moving mechanism is arranged between the supporting base plate (10) and the frame (8).

3. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 2 is characterized in that: The moving mechanism comprises a guide rail arranged on a frame (8), a slide seat arranged on the guide rail and connected to the bottom of a supporting base plate (10), and a moving servo motor (7) connected to the frame (8) and driving the slide seat to move.

4. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 3 is characterized in that: The frame (8) is provided with a sensor (9) for sensing the moving position of the slide.

5. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 1 is characterized in that: One end of the supporting movable plate (15) is connected to the supporting bottom plate (10) via a cylinder (5) and a spring (4).

6. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 1, characterized in that: A bearing seat (12) for supporting a driving shaft of a polishing wheel (13) is provided on the supporting movable plate (15).

7. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 1, characterized in that: A transmission shield (17) is provided outside the transmission synchronous belt (3) and the transmission gear (2).

8. The automatic polishing equipment for sealing ball heads of metal tubes according to claim 1, characterized in that: A polishing wheel guard (14) is arranged outside the polishing wheel (13).

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