CN113522612B - Automatic overturning type workpiece paint spraying and sand blasting equipment - Google Patents
Automatic overturning type workpiece paint spraying and sand blasting equipment Download PDFInfo
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- CN113522612B CN113522612B CN202110814403.XA CN202110814403A CN113522612B CN 113522612 B CN113522612 B CN 113522612B CN 202110814403 A CN202110814403 A CN 202110814403A CN 113522612 B CN113522612 B CN 113522612B
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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
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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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
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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
- B05B13/0278—Arrangement or mounting of spray heads
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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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
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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
- B05B16/00—Spray booths
- B05B16/60—Ventilation arrangements specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/04—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other stationary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention relates to automatic turnover type workpiece paint spraying and sand blasting equipment, wherein a spray gun module part is arranged at the upper part of an equipment framework; the turnover module part is arranged in the middle of the equipment framework, is arranged below the spray gun module and is used for sucking four workpieces simultaneously and rotating the workpieces subjected to paint spraying or sand blasting to the lowest point and placing the workpieces on a conveying belt of the workpiece conveying module; the limiting module part is fixedly connected to the equipment framework; the dust collection and separation module is arranged at the top and the bottom of the equipment framework; the workpiece conveying module part is installed on the equipment framework and is positioned between the overturning module and the sand storage hopper. The turnover module rotates 90 degrees each time, the single rotation time is less than 2 seconds, four workpieces can be sucked simultaneously, abrasive materials gathered in the workpieces in the sand blasting process can be poured off when the workpieces after sand blasting are rotated to the lowest point and are put on a conveying belt, and then the workpieces are sent to an outlet and then sucked next, so that the switching time between the workpieces can be shortened, the spray gun can work continuously, and the comprehensive efficiency of equipment is greatly improved.
Description
Technical Field
The invention relates to workpiece paint spraying and sand blasting equipment, in particular to unmanned high-efficiency automatic overturning paint spraying and sand blasting equipment.
Background
The paint spraying and sand blasting are surface treatment processes, and are widely applied to manufacturing industry, but due to the characteristics of the treatment processes, a large amount of dust or waste gas is generated in the processing process, and the problems of low comprehensive efficiency and high energy consumption of the existing paint spraying and sand blasting equipment are solved. If the spread of dust or exhaust gas cannot be controlled, there is a great hazard to the health of the spraying equipment, the workshop environment, and the workers. If the comprehensive efficiency can be improved, the energy consumption cost can be reduced, and the yield of enterprises can be greatly increased. Therefore, there is a need to design an automatic roll-over workpiece paint-spraying and sand-blasting apparatus.
Disclosure of Invention
In order to solve the problems, the invention provides automatic turnover type workpiece paint spraying and sand blasting equipment, which controls the diffusion range of dust and waste gas in the processing process, improves the comprehensive efficiency of the equipment and reduces the energy consumption.
In order to achieve the above purpose, the invention adopts the following technical scheme: the automatic turnover type workpiece paint spraying and sand blasting equipment comprises a spray gun module part, a turnover module part, a limit module part, a dust collection and separation module part and a workpiece conveying module part, wherein the spray gun module part is arranged at the upper part of an equipment framework, can be used for replacing a paint spraying gun or a sand blasting gun according to actual needs and is used for spraying paint or blasting a workpiece; the turnover module part is arranged in the middle of the equipment framework, is arranged below the spray gun module and is used for sucking four workpieces simultaneously and rotating the workpieces subjected to paint spraying or sand blasting to the lowest point and placing the workpieces on a conveying belt of the workpiece conveying module; the limiting module part is fixedly connected to the equipment framework, is positioned in the overturning module and the conveying belt and is used for vertically moving up and down to block the workpiece through the conveying belt; the dust collection and separation module is arranged at the top and the bottom of the equipment framework and used for collecting large-particle dust into the sand storage hopper, sucking small-particle dust for buffer screening, separating the relatively large-particle dust again and recycling the relatively large-particle dust into the sand storage hopper, and discharging other dust and waste gas from an outlet at the upper part; the workpiece conveying module part is arranged on the equipment framework and positioned between the overturning module and the sand storage hopper, and is used for continuously conveying workpieces from the equipment inlet to the upper part of the limiting module, sucking the workpieces by the vacuum chuck of the overturning module part and rotating the workpieces to the uppermost layer for spraying paint or sand blasting.
Further, the spray gun module part comprises a spray gun module, a spray gun module motor and a spray gun air pipe module, and the spray gun module motor is connected with the spray gun module through an eccentric driving wheel.
Further, the turnover module in the turnover module part is fixed in the middle of the equipment framework through a four-way pneumatic slip ring stator fixing plate and an index plate fixing plate.
Further, a stepping motor in the overturning module is fixed on the dividing plate fixing plate and drives the vacuum chuck flange to continuously rotate through the rubber friction wheel; the two-ventilation sliding ring square fixing frame is fixed on the dividing disc through the dividing disc rotating flange, so that the two-ventilation sliding ring square fixing frame can synchronously rotate along with the dividing disc, the four two-ventilation sliding ring stator ends are fixed on four planes of the two-ventilation sliding ring fixing frame, the three vacuum chucks are fixed on the vacuum chuck flange to form a triangle, and the relative positions of the three vacuum chucks can be adjusted to adapt to workpieces with larger size differences; the vacuum chuck flange is fixed at the top of the rotor end of the two-way movable sliding ring through four chuck flange supporting frames, and air flow is communicated with the air outlet of the rotor of the two-way movable sliding ring through the air inlet of the stator of the two-way movable sliding ring, so that the rotor end of the two-way movable sliding ring and the vacuum chuck flange synchronously rotate infinitely and simultaneously can keep air pressure.
Further, the four-way pneumatic slip ring is kept on the same shaft center with the index plate through the guide shaft, the guide shaft is fixed on the index plate flange, when the index plate flange rotates, the four-way pneumatic slip ring rotor end is driven to synchronously move through the guide shaft, and the four-way pneumatic slip ring rotor end is fixed on the guide shaft through the four-way pneumatic slip ring rotor fixing plate, so that the four-way pneumatic slip ring rotor end and the two-way pneumatic slip ring square fixing frame synchronously rotate.
Further, the four-way pneumatic slip ring is used as an air source input end, positive pressure or negative pressure is input through four-way pneumatic slip ring stator air inlets, four-way pneumatic slip ring rotor air outlets are respectively connected with four two-way pneumatic slip ring stator air inlets through vacuum filters, and two-way pneumatic slip ring rotor air outlets are connected with three vacuum suction cups through air pipe adapters, so that the overturning module can rotate radially and axially infinitely and simultaneously can keep air pressure.
Further, the limiting module in the limiting module part is fixed on the equipment framework through a limiting module fixing frame; the long-stroke cylinder and the blocking cylinder in the limiting module part are fixed on the limiting module fixing frame through the cylinder fixing plate, the three blocking guide rods are fixed on the blocking cylinder through the blocking cylinder flange, and the carrier is fixed on the long-stroke cylinder through the carrier support, so that the carrier can vertically move up and down through the conveying belt.
Further, a front magnetic contact sensor and a rear magnetic contact sensor are arranged on the carrier, the front magnetic contact sensor is connected with a blocking cylinder, and the rear magnetic contact sensor is connected with a long-stroke cylinder; when the front magnetic contact sensor senses that a workpiece passes, the front magnetic contact sensor triggers the blocking cylinder to ascend, so that the blocking guide rod blocks the workpiece to stop moving; when the workpiece is blocked by the blocking guide rod, the rear-end magnetic contact sensor triggers the long-stroke cylinder to ascend.
Further, the long-stroke cylinder is further connected with an external air pressure sensor of the overturning module, and is used for descending and homing when the external air pressure sensor of the overturning module senses that the negative pressure value of the vacuum chuck reaches the standard.
Further, the dust collection and separation module part is provided with negative pressure dust collection openings at two sides of the upper part of the equipment framework respectively, and the two negative pressure dust collection openings are connected with a dust separator through an air pipe; a dust collection opening baffle is additionally arranged between a negative pressure dust collection opening above the sand prevention area and the spray gun module, the negative pressure area is arranged above the sand prevention area at the inlet and the outlet in the equipment, so that dust or waste gas can be sucked upwards when reaching the sand prevention area at the inlet and the outlet, and the dust or waste gas is prevented from being diffused to the outside of the equipment.
The invention has the advantages that: the turnover module rotates 90 degrees each time, the single rotation time is less than 2 seconds, four workpieces can be sucked simultaneously, abrasive materials gathered in the workpieces in the sand blasting process can be poured off when the workpieces after sand blasting are rotated to the lowest point and are put on a conveying belt, and then the workpieces are sent to an outlet and then sucked next, so that the switching time between the workpieces can be shortened, the spray gun can work continuously, and the comprehensive efficiency of equipment is greatly improved. The dust and waste gas treatment mode simply changes the internal structure of the equipment, has a simple structure, and can achieve the effect of reducing the diffusion range of dust or waste gas while reducing the cost. The spray gun module only needs to cover the range of one workpiece diameter at a time, so that 3-5 spray guns can meet the requirements, and the energy consumption of equipment is reduced.
Drawings
FIG. 1 is a cross-sectional construction view of an embodiment of an automatic roll-over workpiece paint-spraying blasting apparatus;
FIG. 2 is an enlarged bottom view of a turnover module of the automatic turnover type workpiece painting and blasting apparatus;
FIG. 3 is an isometric cross-sectional view of an automatic roll-over workpiece painting and blasting apparatus;
FIG. 4 is an illustration of an automatic roll-over workpiece paint spray blasting apparatus with an inversion module in an attempt;
FIG. 5 is an isometric view of a turnover module of the automatic turnover type workpiece painting and blasting apparatus;
FIG. 6 is a front view of a limit module of the automatic roll-over workpiece paint spraying and blasting apparatus;
FIG. 7 is an isometric view of a limit module of the automatic roll-over workpiece painting and blasting apparatus;
FIG. 8 is a left side cross-sectional view of the automatic roll-over workpiece paint-spraying and blasting apparatus;
FIG. 9 is a front perspective view of the automatic roll-over workpiece paint spraying and blasting apparatus;
FIG. 10 is a right side perspective view of the automatic roll-over workpiece paint spraying and blasting apparatus;
FIG. 11 is a top perspective view of the automatic roll-over workpiece paint spraying and blasting apparatus;
FIG. 12 is an isometric perspective view of an automatic roll-over workpiece paint spraying and blasting apparatus;
FIG. 13 is a left side view of a turnover module of the automatic turnover type workpiece painting and blasting apparatus;
FIG. 14 is an isometric view of a four-way pneumatic slip ring of the inner flip module;
FIG. 15 is a top view of the flip module;
FIG. 16 is a partial isometric view of a flip module;
FIG. 17 is an isometric view of a two-way pneumatic slip ring and suction cup module of the inner flip module;
FIG. 18 is an isometric perspective view of a flip module;
FIG. 19 is a left side view of the limit module;
FIG. 20 is a top view of the positioning module;
figure 21 is an isometric perspective view of the limit module.
Reference numerals illustrate: 01. vacuum chuck, 02, vacuum chuck flange, 03, rubber friction wheel, 04, stepper motor, 05, indexing disk, 06, two breather slip ring stator ends, 07, chuck flange support, 08, two breather slip ring stator air inlets, 09, two breather slip ring rotor air outlets, 10, vacuum filter, 11, four-way pneumatic slip ring rotor air outlets, 12, four-way pneumatic slip ring stator ends, 13, four-way pneumatic slip ring rotor ends, 14, four-way pneumatic slip ring stator air inlets, 15, four-way pneumatic slip ring stator fixing plate, 16, guide shaft, 17, indexing disk fixing plate, 18, four-way pneumatic slip ring rotor fixing plate, 19, indexing disk rotating flange, 20, two breather slip ring square fixing frame, 21, two breather slip ring rotor ends, 22, two air moving slip ring stator end fixing blocks, 30, air pipes, 31, spray gun air pipe modules, 33, an inlet sand-avoiding area, 34, a conveyor belt motor, 35, a dust separator, 36, a turnover module, 37, a limit module, 38, an outlet sand-avoiding area, 39, a conveyor belt, 40, a sand storage hopper, 41, an equipment framework, 42, a spray gun module motor, 43, a spray gun module, 44, a bearing seat, 45, a side door sealing handle, 46, an air knife, 47, a negative pressure dust suction opening, 48, a dust suction opening baffle, 49, an eccentric driving wheel, 60, a carrier, 61, a carrier bracket, 62, a long stroke cylinder, 63, a blocking guide rod, 64, a blocking cylinder flange, 65, a cylinder fixing plate, 66, a limit module fixing frame, 67, a blocking cylinder, 68, a rear end magnetic contact sensor and 69, a front end magnetic contact sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 21, an automatic turnover type workpiece paint spraying and sand blasting device comprises a device part, a turnover module part and a limit module part.
The equipment part comprises:
the conveyer belt motor 34 and the conveyer belt 39 are arranged in one side of the lower part of the equipment framework 41, the inlet sand-avoiding area 33 is arranged above the conveyer belt 39, the sand storage hopper 40 is arranged at the bottom, the negative pressure dust collection openings 47 are respectively arranged on two sides of the upper part, the two negative pressure dust collection openings 47 are connected with the dust separator 35, the spray gun module motor 42, the spray gun module 43 and the spray gun air pipe module 31 through the air pipes 30, and the spray gun module motor 42 is connected with the spray gun module 43 through the eccentric driving wheel 49. In addition, a dust collection port baffle 48 is added between the negative pressure dust collection port 47 above the sand prevention area 33 and the spray gun module 43, and the negative pressure area is arranged above the sand prevention area at the inlet and the outlet inside the equipment, so that dust or waste gas can be sucked upwards when reaching the sand prevention area at the inlet and the outlet, and the dust or waste gas is prevented from being diffused outside the equipment.
Overturning module part:
the turnover module 36 is fixed in the middle of the equipment framework 41 through the four-way pneumatic slip ring stator fixing plate 15 and the index plate fixing plate 17. The stepping motor 04 is fixed on the index plate 17 and drives the vacuum chuck flange 02 to continuously rotate through the rubber friction wheel 03. The square fixing frame 20 of the two-ventilation sliding ring is fixed on the dividing disc 05 through the dividing disc rotating flange 19, so that the square fixing frame 20 of the two-ventilation sliding ring can synchronously rotate along with the dividing disc 05, four stator ends 06 of the two-ventilation sliding ring are fixed on four planes of the fixing frame 20 of the two-ventilation sliding ring, the fixing blocks 22 of the stator ends of the two-ventilation sliding ring are used for reinforcing, three vacuum chucks 01 are fixed on the vacuum chuck flange 02 to form a triangle, and the relative positions of the three vacuum chucks 01 can be adjusted to adapt to workpieces with larger size differences. The vacuum chuck flange 02 is fixed at the top of the rotor end 21 of the two-way movable sliding ring through four chuck flange support frames 07, and air flow is communicated with the rotor air outlet 09 of the two-way movable sliding ring through the stator air inlet 08 of the two-way movable sliding ring, so that the rotor end 21 of the two-way movable sliding ring and the vacuum chuck flange 02 can synchronously rotate infinitely and simultaneously maintain air pressure. The four-way pneumatic slip ring is kept on the same axis with the index plate 05 through the guide shaft 16, the guide shaft 16 is fixed on the index plate flange 19, when the index plate flange 19 rotates, the four-way pneumatic slip ring rotor end 13 is driven to synchronously move through the guide shaft 16, and the four-way pneumatic slip ring rotor end 13 is fixed on the guide shaft 16 through the four-way pneumatic slip ring rotor fixing plate 18, so that the four-way pneumatic slip ring rotor end 13 can synchronously rotate with the two pneumatic slip ring square fixing frames 20. As an air source input end, the four-way pneumatic slip ring inputs positive pressure or negative pressure through the four-way pneumatic slip ring stator air inlets 14, the four-way pneumatic slip ring rotor air outlets 11 are respectively connected with four two-way pneumatic slip ring stator air inlets 08 through the vacuum filter 10, and the two-way pneumatic slip ring rotor air outlets 09 are connected with three vacuum chucks 01 through an air pipe adapter, so that the turnover module 36 can rotate radially and axially infinitely and simultaneously can maintain air pressure.
Limit module part:
the limiting module 37 is fixed on the equipment framework 41 through a limiting module fixing frame 66 and is positioned in the overturning module part and the conveying belt 39 of the sand storage hopper 40. The long-stroke cylinder 62 and the blocking cylinder 67 are fixed on the limiting module fixing frame 66 through the cylinder fixing plate 65, the three blocking guide rods 63 are fixed on the blocking cylinder 67 through the blocking cylinder flange 64, and when the magnetic contact sensor 69 at the front end senses that a workpiece passes through, the blocking cylinder 67 is triggered to ascend, so that the blocking guide rods 63 block the workpiece to stop moving. The carrier 60 is fixed on the long-stroke cylinder 62 through the carrier bracket 61, so that the carrier can vertically move up and down through the conveyer belt, and when the workpiece is blocked by the blocking guide rod 63, the workpiece can simultaneously sense the rear magnetic contact sensor 68, thereby triggering the long-stroke cylinder 62 to ascend. When the external air pressure sensor of the turnover module 36 senses that the negative pressure value of the vacuum chuck 01 reaches the standard, the long-stroke air cylinder 62 descends and returns to the original position.
After the equipment is started, the conveyer belt motor 34 drives the conveyer belt 39 to continuously run, a workpiece enters the equipment from the inlet sand-avoiding area 33, when the front end magnetic contact sensor 69 is sensed, the blocking cylinder 67 rises, the blocking guide rod 63 stops the workpiece, the rear end magnetic contact sensor 68 is sensed, the long guide rod cylinder 62 is triggered to lift the carrying platform 60, the workpiece contacts the vacuum chuck 01 on the turnover module 36, and the vacuum chuck 01 is converted from positive pressure to negative pressure to suck the workpiece. When an external vacuum pressure sensor senses that the vacuum value reaches the standard, the carrier cylinder 62 descends and returns to the original position, the index plate 05 rotates by 90 degrees, the front end magnetic contact sensor 69 is continuously triggered after the next workpiece is conveyed, a series of actions are repeated, the workpiece is also sucked by the vacuum chuck 01 on the turnover module 36, when the workpiece is rotated to the uppermost end by the index plate 05, the vacuum chuck flange 02 contacts with the rubber friction wheel 03, the rubber friction wheel 03 is driven by the stepping motor 04 to synchronously rotate the vacuum chuck flange 02 and the two-ventilation slip ring rotor end 21, so that the workpiece continuously rotates in one direction, and the spray gun module motor 42 drives the spray gun module 43 to do reciprocating swing action through the eccentric driving wheel 49, so that a spray paint or sand blasting surface can uniformly cover the workpiece. After the paint spraying or sand blasting is finished, the index plate 05 rotates 90 degrees within 2 seconds, the next workpiece is switched to continue to be processed, when the workpiece subjected to the paint spraying or sand blasting is rotated to the lowest end, the vacuum chuck 01 is turned from negative pressure to positive pressure, the blocking cylinder 67 descends and returns to the original position, the blocking guide rod 63 is lower than the plane of the conveying belt, abrasive materials in the workpiece can be poured when the workpiece subjected to the sand blasting is placed on the conveying belt, when the workpiece flows to the equipment outlet and reaches the outlet sand avoiding area 38, the high-speed air curtain of the air knife 46 blows abrasive dust on the surface of the conveying belt and the surface of the workpiece into the sand storing hopper 40, and the workpiece subjected to the paint spraying does not need to be cleaned by starting the air knife 46. When the spray gun module is replaced with the sand blasting gun, the sprayed dust passes through the negative pressure buffer area below the dust collection opening baffle 48, large-particle dust falls back into the sand storage hopper, small-particle dust is sucked into the dust separator 35 through the negative pressure dust collection opening 47 and the air pipe 30, and is subjected to secondary buffer screening, the relatively large-particle dust is separated again and is recycled into the sand storage hopper 40, and finally dust waste gas is discharged through the outlet above the dust separator 35.
When the workpiece rotates back to the bottommost part, the blocking cylinder 67 descends and returns to the original position, the vacuum chuck 01 changes to positive pressure, the workpiece subjected to paint spraying or sand blasting is placed on the conveying belt 39 and conveyed to the equipment outlet, the vacuum chuck 01 continuously blows air outwards at the positive pressure until the workpiece to be treated in the next round contacts the vacuum chuck 01 again, the negative pressure is converted, and therefore dust covered on the workpiece can be blown away, and dust entering the air pipe before the workpiece is sucked can be prevented. When the workpiece subjected to sand blasting is conveyed to the outlet sand-avoiding area 38 along with the belt line 39, the air knife 46 at the outlet is inclined by 45 degrees to blow air into the equipment so as to clean dust carried on the conveying belt and the workpiece, so that the dust is left in the equipment to reduce the loss of the silicon carbide raw material, and the air knife 46 is not required to be used for the workpiece subjected to paint spraying. The inlet and outlet at two ends of the equipment can be externally connected with two production lines, so that unmanned operation is realized.
Claims (6)
1. The utility model provides an automatic upset formula work piece sand blasting equipment that sprays paint, includes spray gun module part, upset module part, spacing module part, dust absorption separation module part, work piece transport module part, its characterized in that:
the spray gun module part is arranged at the upper part of the equipment framework, can replace a spray gun or a sand blasting gun according to actual needs and is used for spraying paint or blasting sand on a workpiece;
the turnover module part is arranged in the middle of the equipment framework, is arranged below the spray gun module and is used for sucking four workpieces simultaneously and rotating the workpieces subjected to paint spraying or sand blasting to the lowest point and placing the workpieces on a conveying belt of the workpiece conveying module; the turnover module in the turnover module part is fixed in the middle of the equipment framework through a four-way pneumatic slip ring stator fixing plate and an index plate fixing plate; the stepping motor in the overturning module is fixed on the index plate fixing plate and drives the vacuum chuck flange to continuously rotate through the rubber friction wheel; the two-ventilation sliding ring square fixing frame is fixed on the dividing disc through the dividing disc rotating flange, so that the two-ventilation sliding ring square fixing frame can synchronously rotate along with the dividing disc, the four two-ventilation sliding ring stator ends are fixed on four planes of the two-ventilation sliding ring fixing frame, the three vacuum chucks are fixed on the vacuum chuck flange to form a triangle, and the relative positions of the three vacuum chucks can be adjusted to adapt to workpieces with larger size differences; the vacuum chuck flange is fixed at the top of the rotor end of the two air moving slide rings through four chuck flange supporting frames, and air flow is communicated with the air outlet of the rotor of the two air moving slide rings through the air inlet of the stator of the two air moving slide rings, so that the rotor end of the two air moving slide rings and the vacuum chuck flange synchronously rotate infinitely and simultaneously can keep air pressure;
the limiting module part is fixedly connected to the equipment framework, is positioned in the overturning module and the conveying belt and is used for vertically moving up and down to block the workpiece through the conveying belt; the limiting module in the limiting module part is fixed on the equipment framework through a limiting module fixing frame; the long-stroke air cylinder and the blocking air cylinder in the limiting module part are fixed on the limiting module fixing frame through the air cylinder fixing plate, the three blocking guide rods are fixed on the blocking air cylinder through the blocking air cylinder flange, and the carrier is fixed on the long-stroke air cylinder through the carrier bracket, so that the carrier can vertically move up and down through the conveying belt; the front end magnetic contact sensor and the rear end magnetic contact sensor are arranged on the carrier, the front end magnetic contact sensor is connected with the blocking cylinder, and the rear end magnetic contact sensor is connected with the long-stroke cylinder; when the front magnetic contact sensor senses that a workpiece passes, the front magnetic contact sensor triggers the blocking cylinder to ascend, so that the blocking guide rod blocks the workpiece to stop moving; when the workpiece is blocked by the blocking guide rod, the rear-end magnetic contact sensor triggers the long-stroke cylinder to ascend;
the dust collection and separation module is arranged at the top and the bottom of the equipment framework and used for collecting large-particle dust into the sand storage hopper, sucking small-particle dust for buffer screening, separating the relatively large-particle dust again and recovering the relatively large-particle dust into the sand storage hopper, and discharging other dust and waste gas from an outlet above;
the workpiece conveying module part is arranged on the equipment framework and positioned between the overturning module and the sand storage hopper, and is used for continuously conveying workpieces from the equipment inlet to the upper part of the limiting module, sucking the workpieces by the vacuum chuck of the overturning module part and rotating the workpieces to the uppermost layer for spraying paint or sand blasting.
2. The automatic roll-over workpiece painting and blasting apparatus of claim 1, wherein: the spray gun module part comprises a spray gun module, a spray gun module motor and a spray gun air pipe module, and the spray gun module motor is connected with the spray gun module through an eccentric driving wheel.
3. The automatic roll-over workpiece painting and blasting apparatus of claim 1, wherein: the four-way pneumatic slip ring is kept on the same axial center through the guide shaft and the dividing plate, the guide shaft is fixed on the dividing plate flange, when the dividing plate flange rotates, the four-way pneumatic slip ring rotor end is driven to synchronously move through the guide shaft, and the four-way pneumatic slip ring rotor end is fixed on the guide shaft through the four-way pneumatic slip ring rotor fixing plate, so that the four-way pneumatic slip ring rotor end and the two square fixing frames of the two pneumatic slip rings synchronously rotate.
4. The automatic roll-over workpiece painting and blasting apparatus of claim 3, wherein: the four-way pneumatic slip ring is used as an air source input end, positive pressure or negative pressure is input through four-way pneumatic slip ring stator air inlets, four-way pneumatic slip ring rotor air outlets are respectively connected with four two-way pneumatic slip ring stator air inlets through vacuum filters, and two-way pneumatic slip ring rotor air outlets are connected with three vacuum chucks through an air pipe adapter, so that the turnover module can rotate radially and axially infinitely and simultaneously can keep air pressure.
5. The automatic roll-over workpiece painting and blasting apparatus of claim 1, wherein: the long-stroke cylinder is also connected with an external air pressure sensor of the overturning module, and is used for descending and homing when the external air pressure sensor of the overturning module senses that the negative pressure value of the vacuum chuck reaches the standard.
6. The automatic roll-over workpiece painting and blasting apparatus of claim 1, wherein: the dust collection and separation module part is provided with negative pressure dust collection openings at two sides of the upper part of the equipment framework respectively, and the two negative pressure dust collection openings are connected with the dust separator through an air pipe; a dust collection opening baffle is additionally arranged between a negative pressure dust collection opening above the sand prevention area and the spray gun module, the negative pressure area is arranged above the sand prevention area at the inlet and the outlet in the equipment, so that dust can be upwards sucked when reaching the sand prevention area at the inlet and the outlet, and the dust is prevented from being diffused to the outside of the equipment.
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| CN202110814403.XA CN113522612B (en) | 2021-07-19 | 2021-07-19 | Automatic overturning type workpiece paint spraying and sand blasting equipment |
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| CN202110814403.XA CN113522612B (en) | 2021-07-19 | 2021-07-19 | Automatic overturning type workpiece paint spraying and sand blasting equipment |
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| CN113522612A CN113522612A (en) | 2021-10-22 |
| CN113522612B true CN113522612B (en) | 2023-06-16 |
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| CN114472041B (en) * | 2022-01-10 | 2023-11-07 | 烟台沃尔姆真空技术有限公司 | Automatic spraying line for screw rotor of vacuum pump |
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| CN113522612A (en) | 2021-10-22 |
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