CN112264221A - Rotary platform and micro-positive pressure paint spraying chamber - Google Patents
Rotary platform and micro-positive pressure paint spraying chamber Download PDFInfo
- Publication number
- CN112264221A CN112264221A CN202011195575.5A CN202011195575A CN112264221A CN 112264221 A CN112264221 A CN 112264221A CN 202011195575 A CN202011195575 A CN 202011195575A CN 112264221 A CN112264221 A CN 112264221A
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- China
- Prior art keywords
- rotary
- fixed claw
- rotary platform
- platform
- positive pressure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
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- Spray Control Apparatus (AREA)
Abstract
The invention discloses a rotary platform and a micro-positive pressure paint spraying chamber, wherein the rotary platform comprises a support base, a rotary support piece and a turntable; the supporting base is connected with the turntable through a rotary supporting piece; the first driving assembly is fixed on the supporting base and drives the rotary supporting piece to rotate so as to drive the rotary table fixed with the rotary supporting piece to rotate; the turntable is radially extended with a plurality of support arms, each support arm is provided with a guide rail, the guide rail is provided with a fixed claw seat, the fixed claw seat can translate on the guide rail, the fixed claw seat is provided with a fixed claw, and the fixed claw is used for fixing a workpiece; the center of the rotary table is provided with a hollow structure, and a second driving assembly is arranged in the hollow structure and used for driving each fixed claw seat to synchronously move towards the center of the rotary table in a translation manner, so that the workpiece is clamped and fixed. The rotary platform has high load capacity, can clamp and fix workpieces with different external dimensions and horizontally rotate, and can ensure that the linear velocity of the surface of the workpiece is constant when the workpiece rotates, thereby being convenient for uniformly processing the workpiece.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a rotary platform and a micro-positive pressure paint spraying chamber.
Background
When large-scale work piece is painted and is processed, both need the processing platform to have great load capacity, need the work piece platform again to fix the work piece of different overall dimension to realize the horizontal rotation, and need guarantee that the surface linear velocity of work piece is certain when rotatory, the even of the work piece of being convenient for sprays paint.
Disclosure of Invention
In view of the above, the present invention discloses a rotary platform and a micro-positive pressure paint spray booth to overcome or at least partially solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a rotary platform which is characterized by comprising a support base, a rotary support piece and a rotary table, wherein the support base is provided with a support base; the supporting base and the turntable are connected through the rotary supporting piece;
a first driving assembly is fixed on the supporting base and drives the rotary supporting piece to rotate so as to drive the rotary table fixed with the rotary supporting piece to rotate;
the rotary table is radially extended with a plurality of support arms, each support arm is provided with a guide rail, the guide rail is provided with a fixed claw seat, the fixed claw seat can translate on the guide rail, the fixed claw seat is provided with a fixed claw, and the fixed claw is used for fixing a workpiece;
the center of the turntable is provided with a hollow structure, and the hollow structure and the support arm are internally provided with a second driving assembly for driving each fixed claw seat to synchronously move towards the center of the turntable in a translation manner, so that the workpiece is clamped and fixed.
Further, the first driving assembly comprises a variable frequency motor, a gear shifting variable speed motor and a first speed reducer, and the variable frequency motor is used for realizing a wider speed regulation range under the condition of ensuring the constant torque output of the motor; the gear shifting variable speed motor is arranged between the variable frequency motor and the first speed reducer, and the first speed reducer drives the rotary support piece to rotate through a gear pair.
Furthermore, a mechanical band-type brake is arranged on the variable frequency motor.
Furthermore, a first encoder is arranged on the rotary supporting piece and used for measuring and controlling the rotation angle of the rotary table; and the support arm is provided with a frequency converter or a second encoder for measuring and controlling the displacement of the fixed claw seat.
Furthermore, the electrified device in the rotary platform is subjected to explosion-proof treatment, or the electrified device in the rotary platform is an explosion-proof device.
Furthermore, the rotary supporting element comprises an inner ring and an outer ring which can rotate relatively, the inner ring is fixedly connected with the supporting base, the outer ring is fixedly connected with the turntable, teeth are arranged on the outer ring, and the first driving assembly drives the outer ring to rotate through the teeth.
Further, the second driving assembly comprises a driving motor, a second speed reducer and a face gear, the driving motor is connected with the input end of the second speed reducer, and the output end of the second speed reducer is provided with the face gear; a screw rod is arranged in each support arm, one end of the screw rod is connected with a threaded hole in the fixed claw seat, a bevel gear is sleeved at the other end of the screw rod, and the bevel gear is meshed with the end face gear.
Further, revolving platform still includes the pressure-fired system, the pressure-fired system include air supply subassembly and set up the pressure-fired room in the support pedestal that declines, air supply subassembly pass through the air supply pipeline with pressure-fired room intercommunication that declines, pressure-fired room upper portion with hollow structure intercommunication.
Furthermore, an end cover is arranged at the upper part of the hollow structure, a cover plate is arranged at the upper part of each support arm, an air supply pipeline is formed inside each support arm and communicated with the hollow structure, and a plurality of air outlets are formed in the end covers and the cover plates.
The invention also discloses a micro-positive pressure paint spraying chamber, which comprises the rotary platform in the paint spraying chamber, wherein the rotary platform keeps the micro-positive pressure of the paint spraying chamber and the rotary platform when rotating.
The invention has the advantages and beneficial effects that:
the rotary platform has large load capacity, can clamp and fix workpieces with different external dimensions and horizontally rotate the workpieces, and can ensure that the linear velocity of the surface of the workpiece is constant when the workpiece rotates so as to uniformly process the workpiece.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is an elevation view of a rotating platform in one embodiment of the present invention;
FIG. 2 is a top view of a partially disassembled rotating platform according to an embodiment of the present invention;
FIG. 3 is a block diagram of the connection of a first drive assembly in accordance with one embodiment of the present invention;
FIG. 4 is a diagram of a connection structure of a second driving assembly in an embodiment of the present invention;
FIG. 5 is a top view of a micro-positive pressure paint spray booth according to an embodiment of the present invention;
fig. 6 is a front view of a micro-positive pressure paint spray booth according to an embodiment of the present invention.
In the figure: 1. the device comprises a supporting base, 2, a rotary supporting piece, 3, a rotary table, 4, a supporting arm, 5, a guide rail, 6, a fixed claw seat, 7, a fixed claw, 8, a variable frequency motor, 9, a gear shifting speed changer, 10, a first speed reducer, 11, a first encoder, 12, a driving motor, 13, a second speed reducer, 14, a face gear, 15, a screw rod, 16, a bevel gear, 17, an end cover, 18, a cover plate, 19 and an air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
In the embodiment of the present invention, a rotary platform is disclosed, as shown in fig. 1 and fig. 2, the rotary platform includes a support base 1, a rotary support 2 and a turntable 3; the support base 1 and the turntable 3 are connected by the slewing support 2.
The supporting base 1 is fixed with a first driving assembly, the first driving assembly drives the rotary supporting piece 2 to rotate, and then the rotary table 3 fixed with the rotary supporting piece 2 is driven to rotate.
The carousel 3 radially extends has a plurality of support arms 4, and the quantity and the length of support arm 4 can set up as required, and the preferred three or four of quantity of support arm 4, in order to make carousel 3 keep balance when rotatory, support arm 4 evenly sets up on the rotation plane, each radially be equipped with guide rail 5 on the support arm 4, be equipped with fixed claw seat 6 on the guide rail 5, fixed claw seat 6 can the translation is gone up to the guide rail 5, be equipped with stationary dog 7 on the fixed claw seat 6, stationary dog 7 is used for fixed work piece, and for firm fixed work piece, stationary dog 7 can be certain arc structure.
The inside of the rotary table 3 is provided with a hollow structure, which can be in various shapes and is preferably circular, and a second driving assembly, such as a pneumatic cylinder, an electric cylinder, a rotary translation mechanism and the like, is arranged in the hollow structure and the support arm 4 and is used for driving each of the fixed jaw seats 6 to synchronously translate towards the center of the rotary table 3, so as to clamp and fix the workpiece.
In conclusion, the rotary platform in the embodiment can bear large-scale workpieces, can clamp and fix the workpieces with different overall dimensions by arranging the plurality of movable fixing claws 7, and can horizontally rotate the workpieces on the turntable 3 by arranging the first driving assembly and the rotary supporting piece 2, and the rotary linear speed is constant, so that the workpieces can be uniformly processed.
In one embodiment, as shown in fig. 3, the first drive assembly includes a variable frequency motor 8, a shift transmission 9, and a first reducer 10; the gear shifting variable-speed motor 9 is arranged between the variable-frequency motor 8 and the first speed reducer 10, the first speed reducer 10 drives the rotary disc 3 to rotate through a gear pair, and the first speed reducer 10 is arranged to reduce the rotating speed, increase the torque and realize the rotation of a heavy-load workpiece. By arranging the gear shifting variable speed motor 9 between the variable frequency motor 8 and the first speed reducer 10, under the condition of ensuring the constant torque output of the first driving assembly, the speed regulation in a wider range can be realized, and the rotating speed of the rotary table 3 can be conveniently regulated and controlled according to the processing requirement.
In one embodiment, as shown in fig. 3, a first encoder 11 is arranged on the rotation support member 2, and is used for accurately measuring and controlling the rotation angle of the turntable 3, and feeding the detected rotation angle back to the variable frequency motor 8, and by arranging the first encoder 11, the closed-loop control of the variable frequency motor 8 is realized, so that the defect that the closed-loop control precision of the variable frequency motor 8 is not high is overcome; and similarly, a frequency converter or a second encoder is arranged on the support arm and used for measuring and controlling the displacement of the fixed claw seat 6, and the frequency converter and the second encoder feed back the detected displacement distance of the fixed claw seat 6 to the second driving component, so that the fixed claw seat 6 is accurately controlled.
In one embodiment, the electrified device in the rotating platform is explosion-proof. The electrified device in the rotary platform can be an explosion-proof device, specifically, the variable frequency motor 8 is an explosion-proof variable frequency motor, the gear shifting variable speed motor 9 is a pneumatic or hydraulic control gear shifting variable speed motor, the driving motor 12 is an explosion-proof motor, the first encoder 11 and the second encoder are explosion-proof encoders, and the centrifugal variable frequency motor can be preferably an explosion-proof centrifugal variable frequency motor. The electrified device in the rotary platform can be an explosion-proof device, so that explosion danger can be prevented when the workpiece is painted and processed.
In one embodiment, a mechanical brake is arranged on the variable frequency motor 8, so that rapid braking when the variable frequency motor 8 is powered off can be realized, and the rotation precision of the rotary table 3 is further improved.
In one embodiment, the inner ring of the rotary support member 2 is fixedly connected with the support base 1, the outer ring of the rotary support member 2 is fixedly connected with the turntable 3, teeth are arranged on the outer ring of the rotary support member 2, and the first driving assembly drives the outer ring of the rotary support member 2 to rotate through the teeth, so as to drive the turntable 3 fixed with the outer ring to rotate. Of course, the inner ring of the rotary support member 2 may be fixedly connected with the rotary table 3, and the outer ring of the rotary support member 2 may be fixedly connected with the support base 1, so that the rotation of the rotary table 3 relative to the support base 1 can be realized.
In one embodiment, as shown in fig. 4, the second driving assembly includes a driving motor 12 and a second reducer 13, the second reducer 13 is arranged to increase the output torque of the second driving assembly, so that the fixed claws 7 firmly clamp and fix the workpiece, the driving motor 12 is connected with the input end of the second reducer 13, and the output end of the second reducer 13 is provided with a face gear 14; a screw rod 15 is arranged in each support arm 4, one end of the screw rod 15 is connected with a threaded hole in the fixed claw seat 6, a bevel gear 16 is sleeved at the other end of the screw rod 15, and the bevel gear 16 is meshed with the face gear 14.
The driving process of the second driving assembly is specifically that the second driving assembly drives the face gear 14 to rotate, the bevel gear 16 at one end of the screw rod 15 is in meshing transmission with the face gear 14 to realize the rotation of the screw rod 15, and the screw rod 15 is matched with a threaded hole at the lower end of the fixed claw seat 6 to realize the movement of the fixed claw seat 6. The second driving component can control the fixed claw 7 to move towards the center direction of the rotary table 3 or away from the center direction of the rotary table 3. Since the bevel gears 16 of the screw rods 15 of the support arms 4 are engaged with the same face gear 14, synchronous control of the fixed claws 7 is achieved when the second drive assembly rotates.
In one embodiment, the rotary platform further comprises a micro positive pressure system, the micro positive pressure system comprises a blast assembly and a micro positive pressure chamber arranged in the support base 1, the blast assembly is communicated with the micro positive pressure chamber through a blast pipeline, and the upper part of the micro positive pressure chamber is communicated with the hollow structure. The air supply subassembly passes through the supply-air duct indoor air supply of pressure-fired room, for rotary platform provides the pressure-fired, prevents inside granule or hazardous gas get into rotary platform, especially when the work piece sprays paint, can effectively prevent that the paint granule from getting into rotary platform inside and electrical equipment contact, the danger of exploding. Wherein, the motor among the air supply subassembly can be centrifugal inverter motor, can carry out the regulation of amount of wind, and then guarantees that the pressure-fired room reaches certain atmospheric pressure.
In one embodiment, as shown in fig. 2, an end cap 17 is provided on the upper portion of the hollow structure, the shape of the end cap 17 can be set according to the shape of the hollow structure, a cover plate 18 is provided on the upper portion of each arm 4, the cover plate 18 is used for covering the guide rail 5 to prevent particles from falling on the guide rail 5 and further affecting the sliding of the fixing jaw seat 6, a radial air supply duct is formed inside each arm 4, the air supply duct is communicated with the hollow structure, a plurality of air outlets 19 are provided on the cover plate 18 and each arm 4, the air outlets 19 on the arm 4 are arranged along the radial direction of the air supply duct, and the air outlets 19 on the cover plate 18 are gaps formed between the cover plate 18 and the. Of course, the air outlet 19 is not limited to the cover plate 18 and the arm 4, but may be a gap between the end cover 17 and the turntable 3 in a hollow structure, or a gap between the support base 1, the rotation support member 2 and the turntable 3. The air outlet 19 is arranged to enable air to be sprayed out of the rotary platform, so that particles or dangerous gas are prevented from entering the rotary platform.
As can be seen from fig. 1 and 2, a groove is formed in the middle of the bottom of the fixed jaw base 6 for accommodating the cover plate 18, and two sides of the bottom of the fixed jaw base 6 are connected with the guide rail 5 and the screw rod 15.
Example 2
The invention discloses a micro-positive pressure paint spraying chamber, which comprises the rotary platform, wherein the air supply assembly is arranged outside the micro-positive pressure paint spraying chamber and provides micro-positive pressure for the rotary platform, and the rotary platform keeps the micro-positive pressure of the paint spraying chamber and the rotary platform when rotating, so that explosion can be effectively prevented during paint spraying.
In summary, the present invention discloses a rotary platform, which comprises a supporting base, a rotary supporting member and a turntable; the supporting base is connected with the turntable through a rotary supporting piece; the first driving assembly is fixed on the supporting base and drives the rotary supporting piece to rotate so as to drive the rotary table fixed with the rotary supporting piece to rotate; the turntable is radially extended with a plurality of support arms, each support arm is provided with a guide rail, the guide rail is provided with a fixed claw seat, the fixed claw seat can translate on the guide rail, the fixed claw seat is provided with a fixed claw, and the fixed claw is used for fixing a workpiece; the center of the rotary table is provided with a hollow structure, and a second driving assembly is arranged in the hollow structure and used for driving each fixed claw seat to synchronously move towards the center of the rotary table in a translation manner, so that the workpiece is clamped and fixed. The rotary platform has large load capacity, can clamp and fix workpieces with different external dimensions and horizontally rotate the workpieces, and can ensure that the linear velocity of the surface of the workpiece is constant when the workpiece rotates so as to be convenient for uniformly processing the workpiece.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A rotary platform is characterized in that the rotary platform comprises a support base, a rotary support member and a rotary table; the supporting base and the turntable are connected through the rotary supporting piece;
a first driving assembly is fixed on the supporting base and drives the rotary supporting piece to rotate so as to drive the rotary table fixed with the rotary supporting piece to rotate;
the rotary table is radially extended with a plurality of support arms, each support arm is provided with a guide rail, the guide rail is provided with a fixed claw seat, the fixed claw seat can translate on the guide rail, the fixed claw seat is provided with a fixed claw, and the fixed claw is used for fixing a workpiece;
the center of the turntable is provided with a hollow structure, and the hollow structure and the support arm are internally provided with a second driving assembly for driving each fixed claw seat to synchronously move towards the center of the turntable in a translation manner, so that the workpiece is clamped and fixed.
2. The rotary platform of claim 1, wherein the first drive assembly comprises a variable frequency motor, a gear shifting transmission and a first speed reducer, and the variable frequency motor is used for realizing a wider speed regulation range under the condition of ensuring the constant torque output of the motor; the gear shifting variable speed motor is arranged between the variable frequency motor and the first speed reducer, and the first speed reducer drives the rotary support piece to rotate through a gear pair.
3. The rotary platform of claim 2, wherein the variable frequency motor is provided with a mechanical brake.
4. The rotary platform of claim 1, wherein the rotary support member is provided with a first encoder for measuring and controlling a rotation angle of the turntable; and the support arm is provided with a frequency converter or a second encoder for measuring and controlling the displacement of the fixed claw seat.
5. The rotating platform of any of claims 1-4, wherein the electrified device in the rotating platform is explosion-proof, or the electrified device in the rotating platform is explosion-proof.
6. The rotary platform of any one of claims 1 to 4, wherein the rotary support member comprises an inner ring and an outer ring which are rotatable relative to each other, the inner ring is fixedly connected to the support base, the outer ring is fixedly connected to the turntable, the outer ring is provided with teeth, and the first driving assembly drives the outer ring to rotate through the teeth.
7. The rotary platform of any one of claims 1 to 4, wherein the second driving assembly comprises a driving motor, a second speed reducer and a face gear, the driving motor is connected with an input end of the second speed reducer, and an output end of the second speed reducer is provided with the face gear; a screw rod is arranged in each support arm, one end of the screw rod is connected with a threaded hole in the fixed claw seat, a bevel gear is sleeved at the other end of the screw rod, and the bevel gear is meshed with the end face gear.
8. The rotary platform of any one of claims 1 to 4, further comprising a micro positive pressure system, the micro positive pressure system comprising a blower assembly and a micro positive pressure chamber disposed within the support base, the blower assembly communicating with the micro positive pressure chamber through a blower line, an upper portion of the micro positive pressure chamber communicating with the hollow structure.
9. The rotary platform of claim 8, wherein the hollow structure is provided with an end cap at an upper portion thereof, each of the support arms is provided with a cover plate at an upper portion thereof, the support arms are internally provided with air supply ducts, the air supply ducts are communicated with the hollow structure, and a plurality of air outlets are provided at the end cap and each of the cover plates.
10. A micro-positive pressure paint spray booth comprising the rotary platform of any one of claims 1-9 within said paint spray booth, said rotary platform rotating to maintain a micro-positive pressure within said paint spray booth and said rotary platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195575.5A CN112264221A (en) | 2020-10-30 | 2020-10-30 | Rotary platform and micro-positive pressure paint spraying chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195575.5A CN112264221A (en) | 2020-10-30 | 2020-10-30 | Rotary platform and micro-positive pressure paint spraying chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112264221A true CN112264221A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011195575.5A Pending CN112264221A (en) | 2020-10-30 | 2020-10-30 | Rotary platform and micro-positive pressure paint spraying chamber |
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| CN (1) | CN112264221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117443627A (en) * | 2023-12-22 | 2024-01-26 | 崇义县百利通汽车服务有限公司 | Auto-parts regulation formula anchor clamps that spray paint |
-
2020
- 2020-10-30 CN CN202011195575.5A patent/CN112264221A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117443627A (en) * | 2023-12-22 | 2024-01-26 | 崇义县百利通汽车服务有限公司 | Auto-parts regulation formula anchor clamps that spray paint |
| CN117443627B (en) * | 2023-12-22 | 2024-04-09 | 崇义县百利通汽车服务有限公司 | Auto-parts regulation formula anchor clamps that spray paint |
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