CN214443731U - Valve sealing face surfacing tire rotating device - Google Patents
Valve sealing face surfacing tire rotating device Download PDFInfo
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- CN214443731U CN214443731U CN202120400569.2U CN202120400569U CN214443731U CN 214443731 U CN214443731 U CN 214443731U CN 202120400569 U CN202120400569 U CN 202120400569U CN 214443731 U CN214443731 U CN 214443731U
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Abstract
The utility model relates to a welding auxiliary device. The purpose is to provide a valve sealing face build-up welding child device, and the device should have easy operation, low in labor strength's characteristics to improve welder operating condition and promote welding efficiency and welding quality. The technical scheme is as follows: the utility model provides a valve sealing face build-up welding child device that changes which characterized in that: the device comprises a host platform and a rotating platform which can be rotationally positioned on the host platform around a vertical axis; a motor, a corner speed reducer for transmitting the power of the motor to drive the rotary platform to rotate and an electric welding machine are arranged in the host platform; the anode of the electric welding machine is electrically connected with the electric welding pliers through a first lead penetrating through the host platform, and the cathode of the electric welding machine is electrically connected with the conductive copper brush through a second lead penetrating through the shell of the host platform; the conductive copper brush is fixed on the host platform, and the brush head of the conductive copper brush is in contact with the outer circumferential surface of the rotating platform.
Description
Technical Field
The utility model relates to a welding auxiliary device mainly is the auxiliary device that is used for the surfacing welding of the valve sealing face of special equipment valve manufacturing enterprise to improve welding efficiency and welding quality.
Background
In the valve for the pressure pipeline, materials meeting requirements are used when surfacing welding is carried out on sealing surface matrixes of a stop valve, a gate valve and a check valve, so that the hardness, the wear resistance and the scratch resistance of the sealing surface of the valve can be obviously improved, and the service life of the valve is greatly prolonged. According to the permission rules of special equipment production and filling units, valve manufacturing enterprises should use tire rotating tools for seal surface overlaying and other part welding, but most of medium and small valve enterprises mainly use manual overlaying at present and do not have special overlaying auxiliary equipment.
When manual electric arc welding is adopted for surfacing of the sealing surface, a mode that a welder rotates around a workpiece is adopted for surfacing of the large-diameter sealing surface, and a mode that a strip conveying angle is continuously changed for surfacing of the small-diameter workpiece is adopted for surfacing. The two surfacing methods have the disadvantages that the labor intensity of welders is high because the welding positions need to be changed continuously, the technical level requirements of the welders are high, and the probability of generating welding defects is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, providing a valve seal face build-up welding child device, the device should have easy operation, characteristics that intensity of labour is low to improve welder operating condition and promote welding efficiency and welding quality.
The technical scheme of the utility model is that:
the utility model provides a valve sealing face build-up welding child device that changes which characterized in that: the device comprises a host platform and a rotating platform which can be rotationally positioned on the host platform around a vertical axis; a motor, a corner speed reducer for transmitting the power of the motor to drive the rotary platform to rotate and an electric welding machine are arranged in the host platform; the anode of the electric welding machine is electrically connected with the electric welding pliers through a first lead penetrating through the host platform, and the cathode of the electric welding machine is electrically connected with the conductive copper brush through a second lead penetrating through the shell of the host platform; the conductive copper brush is fixed on the host platform, and the brush head of the conductive copper brush is in contact with the outer circumferential surface of the rotating platform.
The rotating shaft of the motor is horizontally arranged, the input shaft of the corner speed reducer is coaxially connected with the rotating shaft of the motor, and the output shaft of the corner speed reducer is vertically arranged and coaxially connected with the rotating platform.
The rotating platform comprises a supporting plate which is rotatably positioned on the top surface of the host platform through a cylindrical bearing, a plurality of limiting clamping blocks which are fixed on the host platform and arranged around the supporting plate, and a steel flat plate which is fixed on the supporting plate through a steel column.
The brush head of the conductive copper brush is contacted with the outer circumferential surface of the steel column; the support plate is coaxially connected with an output shaft of the corner speed reducer.
The motor power supply control box of the electric connection motor is fixed outside the host platform, and the motor power supply control box is provided with a pedal speed regulator.
The utility model discloses a theory of operation is:
the motor adopts a low-speed stepless speed change motor, can continuously obtain any transmission ratio in a speed change range, can set a constant rotating speed through a motor power supply control box, and can also control the rotating speed through a pedal plate, the rotating speed of the motor is further reduced through a corner speed reducer, and the requirement of one or half revolution per minute required by surfacing welding of a circular sealing surface is met; the cylindrical bearing is used for bearing unidirectional thrust, so that the rotation of the rotary platform can be realized, and the weight of the rotary platform can be supported; the conductive copper brush is arranged to realize a complete loop from the anode to the cathode of the electric welding machine through the conductive copper brush instead of forming a loop of welding current through the cylindrical bearing or the speed reducer, so that the phenomenon that the cylindrical bearing or the speed reducer gear is damaged by electric arcs generated by welding heavy current is prevented.
The utility model has the advantages that:
the utility model provides a valve sealing face build-up welding tire rotating device, can reduce the operation degree of difficulty of welder, alleviate welder intensity of labour, promote work efficiency, guarantee welding quality; if further update on equipment, the cooperation welding robot replaces manual welding with the robot, can further improve production efficiency.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
As shown in fig. 1, the bead welding tire rotating device for the valve sealing surface mainly comprises a host platform 6, a rotating platform (composed of a supporting plate 8, a steel column 9 and a steel flat plate 10), a motor 1, a corner speed reducer 2, an electric welding machine 3, an electric welding clamp 16 and a conductive copper brush 11.
The main machine platform is of a shell structure, the rotary platform can be rotationally positioned on the main machine platform around a vertical axis, the motor, the corner speed reducer and the electric welding machine are arranged inside the main machine platform, and the motor and the electric welding machine are externally powered. The side of host computer platform is equipped with netted check board in order to play ventilation cooling's effect, and the bottom of host computer platform is equipped with supporting wheel 15 and is convenient for the device overall movement, and the side of host computer platform is fixed with motor power control box 5, and motor power control box electricity is connected the motor and still disposes pedal speed regulator 4. And a tooling grounding wire 14 is also arranged on the host platform. The pedal speed regulator is used for controlling the motor to realize stepless speed change so as to enable the rotating platform to reach an ideal rotating speed.
The rotary platform comprises a support plate 8, a steel column 9 and a steel flat plate 10 which are coaxially connected. The supporting plate is horizontally arranged and can be rotationally positioned on the top surface of the host platform around a vertical axis through a cylindrical bearing 17, 4 limiting clamping blocks 7 arranged around the supporting plate are fixed on the top surface of the host platform, the steel column is of a hollow structure and is vertically fixed on the supporting plate, and the steel flat plate is horizontally fixed on the upper portion of the steel column.
The rotating shaft of the motor is horizontally arranged, the corner speed reducer is used for transmitting the power of the motor to drive the rotating platform to rotate, the input shaft of the corner speed reducer is coaxially connected with the rotating shaft of the motor, and the output shaft of the corner speed reducer is vertically arranged and coaxially connected with the supporting plate.
The electric welding machine is provided with an electric welding clamp 16 and a conductive copper brush 11, the positive pole of the electric welding machine is electrically connected with the electric welding clamp through a first lead 13 penetrating through the host platform, the negative pole of the electric welding machine is electrically connected with the conductive copper brush through a second lead 12 penetrating through the host platform, the conductive copper brush is fixed on the host platform, and the brush head of the conductive copper brush is in flexible contact with the outer circumferential surface of the steel column.
The motor adopts a low-speed stepless speed change motor. The motor, the corner speed reducer and the electric welding machine are standard parts which can be purchased in the market.
The operation method of the utility model is as follows: the workpiece is placed on the rotary platform, a welder steps on the pedal speed regulator to control the rotating speed of the rotary platform to drive the workpiece to rotate, welding electrodes are clamped by the electrode holders to carry out surfacing welding on a sealing surface on the workpiece, the welder only needs to sit at a fixed position to operate, and the welding electrodes do not need to swing during conveying, so that the labor intensity is greatly reduced, the welding quality is effectively guaranteed, and the welding efficiency is improved.
Claims (5)
1. The utility model provides a valve sealing face build-up welding child device that changes which characterized in that: the device comprises a host platform (6) and a rotating platform which can be rotationally positioned on the host platform around a vertical axis; a motor (1), a corner speed reducer (2) for transmitting the power of the motor to drive the rotary platform to rotate and an electric welding machine (3) are arranged in the host platform; the positive pole of the electric welding machine is electrically connected with the electric welding pliers (16) through a first lead (13) penetrating through the host platform, and the negative pole of the electric welding machine is electrically connected with the conductive copper brush (11) through a second lead (12) penetrating through the host platform; the conductive copper brush is fixed on the host platform, and the brush head of the conductive copper brush is in contact with the outer circumferential surface of the rotating platform.
2. The valve sealing surface overlaying tire rotating device according to claim 1, wherein: the rotating shaft of the motor is horizontally arranged, the input shaft of the corner speed reducer is coaxially connected with the rotating shaft of the motor, and the output shaft of the corner speed reducer is vertically arranged and coaxially connected with the rotating platform.
3. The valve sealing surface overlaying tire rotating device according to claim 2, wherein: the rotary platform comprises a supporting plate (8) which is rotatably positioned on the top surface of the host platform through a cylindrical bearing (17), a plurality of limiting clamping blocks (7) which are fixed on the host platform and arranged around the supporting plate, and a steel flat plate (10) which is fixed on the supporting plate through a steel column (9).
4. The valve sealing surface overlaying tire rotating device according to claim 3, wherein: the brush head of the conductive copper brush is contacted with the outer circumferential surface of the steel column; the support plate is coaxially connected with an output shaft of the corner speed reducer.
5. The valve sealing surface overlaying tire rotating device according to claim 4, wherein: the motor power supply control box (5) of the electric connection motor is fixed outside the host platform, and the motor power supply control box is provided with a pedal speed regulator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400569.2U CN214443731U (en) | 2021-02-23 | 2021-02-23 | Valve sealing face surfacing tire rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400569.2U CN214443731U (en) | 2021-02-23 | 2021-02-23 | Valve sealing face surfacing tire rotating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214443731U true CN214443731U (en) | 2021-10-22 |
Family
ID=78145026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120400569.2U Active CN214443731U (en) | 2021-02-23 | 2021-02-23 | Valve sealing face surfacing tire rotating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214443731U (en) |
-
2021
- 2021-02-23 CN CN202120400569.2U patent/CN214443731U/en active Active
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