CN209866424U - Spraying device for valve seat of gate valve - Google Patents
Spraying device for valve seat of gate valve Download PDFInfo
- Publication number
- CN209866424U CN209866424U CN201920329207.1U CN201920329207U CN209866424U CN 209866424 U CN209866424 U CN 209866424U CN 201920329207 U CN201920329207 U CN 201920329207U CN 209866424 U CN209866424 U CN 209866424U
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- China
- Prior art keywords
- main shaft
- valve seat
- spraying
- jaw chuck
- gate valve
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Abstract
The utility model relates to a spraying device for gate valve disk seat, including support, main shaft, step motor, driven sprocket, spray gun, buncher and runner, the runner is including linking together spoke and ring, the main shaft sets up on the support, and the runner is fixed on the main shaft, and the back of main shaft is provided with step motor, has arranged a plurality of disk seats along the outer plane of ring, and the spray gun is fixed on the mobile device apart from disk seat 150 and 450mm, and the runner is intermittent type formula rotation under step motor's drive, and the disk seat is continuous rotation under buncher's drive, and reciprocating motion about the spray gun is small under mobile device's drive. The utility model discloses a disk seat is by three-jaw chuck centre gripping and make high-speed rotation, and the spray gun only need do the removal of small range and control, just can be on the disk seat the even alloy carbide coating of spraying, and this makes on most of powder all deposits the disk seat, has practiced thrift spraying material, energy and spraying man-hour greatly.
Description
Technical Field
The utility model belongs to the technical field of the spraying device, concretely relates to a spraying device for gate valve disk seat.
Background
In order to improve the corrosion resistance and wear resistance of the surface of a valve seat used in the petrochemical industry, an alloy carbide coating with the thickness of about 0.15 ~ 0.4.4 mm is often sprayed on two planes of the valve seat, the valve seat of a gate valve is an annular part, as shown in fig. 1, in the general situation, when the coating on the surface of the valve seat is prepared, the valve seat is vertically fixed, and then a supersonic flame spray gun is adopted to horizontally reciprocate in a large range to realize the spraying on the surface of the valve seat.
Disclosure of Invention
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a spraying device for gate valve disk seat is provided. The utility model discloses a disk seat is by three-jaw chuck centre gripping and make high-speed rotation, and the spray gun only need do the removal of small range and control, just can be on the disk seat the even alloy carbide coating of spraying, and this makes on most of powder all deposits the disk seat, has practiced thrift spraying material, energy and spraying man-hour greatly.
In order to solve the technical problem, the utility model discloses a technical scheme is: a spray coating device for a gate valve seat, characterized in that it has the following features:
the utility model provides a spraying device for gate valve disk seat, includes support, main shaft, step motor, driven sprocket, spray gun, buncher and runner, and the runner is including spoke and ring connected together, the main shaft sets up on the support, and the runner is fixed on the main shaft, and the back of main shaft is provided with step motor, has arranged a plurality of disk seats along the outer plane of ring, and the spray gun is fixed on treating spraying surface 150 and adding 450 mm's mobile device apart from the disk seat, and the runner is the intermittent type formula and rotates under step motor's drive, and the continuous rotation of disk seat under buncher's drive, and the spray gun is reciprocating motion about the small amplitude under mobile device's drive.
One end of the spoke is welded on the main shaft, the other end of the spoke is welded on the inner side of the circular ring, so that the main shaft, the spoke and the circular ring are fixed together, and the main shaft drives the circular ring to rotate intermittently under the driving of the stepping motor.
The valve seat is fixed on the three-jaw chuck, and the three-jaw chuck is connected with the driven chain wheel through a small shaft.
The small shaft penetrates through the circular ring, and the three-jaw chuck is connected with the driven chain wheel through a bearing on the circular ring.
The three-jaw chuck fixes the valve seat through the reverse external support of the inner jaw.
The driven chain wheel is connected with a driving chain wheel on the speed regulating motor through a chain.
The speed regulating motor drives the three-jaw chuck to rotate, and the rotating three-jaw chuck further drives the valve seat to rotate synchronously.
The movable device is a two-dimensional manipulator.
Compared with the prior art, the utility model has the following advantage:
(1) the valve seat is clamped by the three-jaw chuck and rotates at a high speed, and the spray gun can spray uniform alloy carbide coatings on the valve seat only by moving left and right in a small range, so that most of powder is deposited on the valve seat, and spraying materials, energy and spraying working hours are greatly saved.
(2) The high-speed rotatory disk seat can be quick cooling in the air, need not to reuse extra compressed air cooling, and the rotation of disk seat is driven by the sprocket, can realize stable synchronous rotary motion under abominable operating mode.
(3) The jaws of the three-jaw chuck can move in a large range, the size range of the valve seat which can be fixed is wide, and the applicability of the device is improved.
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic representation of a prior art coated valve seat construction.
Fig. 2 is a schematic structural diagram of the gate valve seat spraying device of the present invention.
Description of reference numerals: 1-a scaffold; 2-a main shaft; 3-a step motor; 4-spokes; 5-a circular ring; 6-small shaft; 7-a bearing; 8-a driven sprocket; 9-a three-jaw chuck; 10-inner claws; 11-a valve seat; 12-a spray gun; 13-a chain; 14-speed regulating motor; 15-a drive sprocket; a-coating; b-valve seat.
Detailed Description
Example 1
The utility model provides a spraying device for gate valve disk seat, includes support 1, main shaft 2, step motor 3, driven sprocket 8, spray gun 12, buncher 14 and runner, and the runner is including linking together spoke 4 and ring 5, main shaft 2 sets up on support 1, and the runner is fixed on main shaft 2, and the back of main shaft 2 is provided with step motor 3, has arranged a plurality of disk seats 11 along the outer plane of ring 5, and spray gun 12 fixes on treating the two-dimensional manipulator of spraying surface 380mm apart from the disk seat, and the runner is the intermittent type formula under step motor 3's drive and rotates, and disk seat 11 continuous rotation under buncher 14's drive, and spray gun 12 is reciprocating motion about the small-amplitude under the drive of two-dimensional manipulator.
One end of the spoke 4 is welded on the main shaft 2, the other end of the spoke is welded on the inner side of the circular ring 5, so that the main shaft 2, the spoke 4 and the circular ring 5 are fixed together, and the main shaft 2 drives the circular ring 5 to rotate intermittently under the driving of the stepping motor 3.
The valve seat 11 is fixed on the three-jaw chuck 9, and the three-jaw chuck 9 is connected with the driven sprocket 8 through the small shaft 6.
The small shaft 6 penetrates through the circular ring 5, and the three-jaw chuck 9 is connected with the driven chain wheel 8 through a bearing 7 on the circular ring 5.
The three-jaw chuck 9 is reversely and externally supported by the inner jaws 10 to fix the valve seat 11.
The driven chain wheel 8 is connected with a driving chain wheel 15 on a speed regulating motor 14 through a chain 13.
The speed regulating motor 14 drives the three-jaw chuck 9 to rotate, and the rotating three-jaw chuck 9 further drives the valve seat 11 to synchronously rotate.
The utility model discloses gate valve disk seat spraying device's working process:
fixing the valve seat subjected to sand blasting treatment on a three-jaw chuck through an inner chuck, starting a speed regulating motor, and driving all the three-jaw chuck and the valve seat fixed on the three-jaw chuck to perform synchronous self-rotation motion through a driving chain wheel coaxial with the speed regulating motor through a chain; starting a spray gun to spray the valve seat, enabling the spray gun to do small-amplitude left-right uniform motion to uniformly spray powder on the surface of the valve seat, enabling a stepping motor to rotate for a certain angle after a coating is sprayed to a set thickness, and rotating the next valve seat to a spraying position to spray the valve seat, so that long-time spraying on the same valve seat can be avoided, and overheating of the valve seat is prevented; and circulating the steps in sequence until all the coatings on the surfaces of the valve seats are sprayed to a set thickness.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes made to the above embodiments according to the utility model all still belong to the protection scope of the technical scheme of the utility model.
Claims (8)
1. A spraying device for a gate valve seat comprises a support (1), a main shaft (2), a stepping motor (3), a driven sprocket (8), a spray gun (12), a speed regulating motor (14) and a rotating wheel, wherein the rotating wheel comprises a spoke (4) and a circular ring (5) which are connected together, the spraying device is characterized in that the main shaft (2) is arranged on the support (1), the rotating wheel is fixed on the main shaft (2), the back of the main shaft (2) is provided with a stepping motor (3), a plurality of valve seats (11) are arranged along the outer plane of the circular ring (5), the spraying gun (12) is fixed on a movable device which is at a distance of 150 mm and 450mm away from the surface to be sprayed of the valve seats (11), the rotating wheel rotates intermittently under the drive of the stepping motor (3), the valve seats (11) rotate continuously under the drive of a speed regulating motor (14), and the spraying gun (12) reciprocates left and right slightly under the drive of the movable device.
2. The spraying device for the valve seat of the gate valve is characterized in that one end of the spoke (4) is welded on the main shaft (2), the other end of the spoke is welded on the inner side of the circular ring (5), so that the main shaft (2), the spoke (4) and the circular ring (5) are fixed together, and the main shaft (2) drives the circular ring (5) to rotate intermittently under the driving of the stepping motor (3).
3. A painting device for valve seats of gate valves according to claim 1, characterized in that the seat (11) is fixed to a three-jaw chuck (9), the three-jaw chuck (9) being connected to the driven sprocket (8) by means of a small shaft (6).
4. A painting device for gate valve seats according to claim 3, characterized in that the small shaft (6) passes through the ring (5), the connection of the three-jaw chuck (9) and the driven sprocket (8) being realized by means of bearings (7) on the ring (5).
5. A painting device for gate valve seats according to claim 3, characterized in that the three-jaw chuck (9) holds the seat (11) by means of inner jaws (10) that are braced against each other.
6. A painting device for a gate valve seat according to claim 3 or 4, characterized in that the driven sprocket (8) is connected to a driving sprocket (15) on a speed regulating motor (14) by means of a chain (13).
7. The spray coating device for the valve seat of the gate valve according to claim 1, characterized in that the speed regulating motor (14) drives the three-jaw chuck (9) to rotate, and the rotating three-jaw chuck (9) further drives the valve seat (11) to rotate synchronously.
8. A coating apparatus for a gate valve seat according to claim 1, wherein said movable means is a two dimensional robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329207.1U CN209866424U (en) | 2019-03-15 | 2019-03-15 | Spraying device for valve seat of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329207.1U CN209866424U (en) | 2019-03-15 | 2019-03-15 | Spraying device for valve seat of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209866424U true CN209866424U (en) | 2019-12-31 |
Family
ID=68955336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920329207.1U Active CN209866424U (en) | 2019-03-15 | 2019-03-15 | Spraying device for valve seat of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209866424U (en) |
-
2019
- 2019-03-15 CN CN201920329207.1U patent/CN209866424U/en active Active
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