CN115142647B - Handheld paint spraying equipment - Google Patents
Handheld paint spraying equipment Download PDFInfo
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- CN115142647B CN115142647B CN202210978728.6A CN202210978728A CN115142647B CN 115142647 B CN115142647 B CN 115142647B CN 202210978728 A CN202210978728 A CN 202210978728A CN 115142647 B CN115142647 B CN 115142647B
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- Prior art keywords
- roughness
- spraying
- paint
- gas supply
- supply channel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention relates to the field of paint spraying construction, and particularly discloses handheld paint spraying equipment which comprises a spray gun, a handheld rod connected with the spray gun and a spray protection cover arranged at a discharge port of the spray gun, wherein the spray gun comprises a spray gun main body, an atomizing nozzle arranged at one end of the spray gun main body, a paint supply channel and a gas supply channel which are arranged in the spray gun main body, a paint flow control mechanism is arranged in the paint supply channel, and a gas flow control mechanism is arranged in the gas supply channel; one side of the spraying protection cover port is provided with a plurality of first roughness probes, and the other side of the spraying protection cover port is provided with a plurality of second roughness probes. The problem that the coating is not sprayed in place is avoided, and the spraying construction quality is ensured.
Description
Technical Field
The invention relates to the field of paint spraying construction, in particular to handheld paint spraying equipment.
Background
The paint is of various types, wherein paint is mainly used, paint spraying mode is adopted when the wall surface of some building outer walls is designed, and main processing steps include: 1. wall surface base layer treatment: flattening a base layer of the wall surface and cleaning; 2. and (3) brushing an interface agent: the interfacial agent can enhance the cohesive force to the base layer and avoid the phenomena of hollowing and shelling of the plastering layer; 3. and (3) waterproof treatment: coating waterproof paint on the surface of the interface agent layer; 4. and (5) puttying. After the process is finished, a worker can carry out paint spraying on the surface of a putty layer by holding the spraying gun, when paint spraying is carried out on an outer wall of a building, the worker firstly needs to build a scaffold on the surface of the outer wall of the building, the layer height interval of the scaffold is generally 2-3 meters, and when the worker holds the spraying gun, the position of a high place is difficult to spray, so that the worker can install a holding rod at the tail part of the traditional spraying gun, and the spraying gun is pushed up to the position of the high place by the holding rod to carry out paint spraying, so that two defects exist in the operation mode: 1. because the sight range of people is limited, when the spraying construction is carried out at the high position of the wall surface, the distance between the atomizing nozzle of the spraying gun and the wall surface is not well controlled, and if the distance between the atomizing nozzle and the wall surface is not well controlled, the spraying effect of paint can be influenced, and the uniformity of paint spraying can not be ensured; 2. because putty ash itself also has the problem of mixing uniformity, the wall putty layer has some regions to be relatively rough, and the rough region of putty layer surface is required to carry out paint spraying or increase the spraying amount of paint many times, in the wall eminence position, moreover under the strong condition of outdoor light, the workman hardly detects the rough region of putty layer surface, and this time, the workman hardly carries out accurate accuse to the spraying frequency and the spraying amount of paint, also can influence the spraying effect of coating (paint) like this.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides handheld paint spraying equipment.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the handheld paint spraying equipment comprises a spraying gun, a handheld rod connected with the spraying gun and a spraying protection cover arranged at a discharge port of the spraying gun, wherein the spraying gun comprises a spraying gun main body, an atomizing nozzle arranged at one end of the spraying gun main body, a paint supply channel and a gas supply channel which are arranged in the spraying gun main body, a paint flow control mechanism is arranged in the paint supply channel, and a gas flow control mechanism is arranged in the gas supply channel;
one side of the port of the spraying protection cover is provided with a plurality of first roughness probes, the other side of the port of the spraying protection cover is provided with a plurality of second roughness probes, the spraying protection cover generally moves from left to right during spraying construction, the moving direction of the spraying protection cover is taken as a reference, the first roughness probes are positioned in front of the spraying protection cover in the moving direction of the spraying protection cover, and the second roughness probes are positioned behind the spraying protection cover;
a distance detector is arranged on the end face of the port of the spraying protective cover;
the paint flow control mechanism comprises an electromagnetic valve arranged at the port of the paint supply channel, and the first roughness probe, the second roughness probe, the distance detector and the electromagnetic valve are all connected with the control system.
By adopting the technical scheme, the spraying gun is mainly used for spraying paint (paint) to the wall surface of a building, a hand-held rod is convenient for a worker to hold and push the spraying gun up to a high position for spraying, the spraying protection cover is used for carrying out windproof protection on the paint sprayed by the spraying gun, a distance detector on the spraying protection cover can detect the distance between a port of the spraying protection cover and a wall putty layer, and when the distance L detected by the distance detector exceeds the range set by a control system, the control system can remind the worker to control the distance between the port of the spraying protection cover and the wall putty layer, so that the spraying uniformity is ensured;
in addition, the first roughness probe can detect the roughness of the putty layer area before spraying, and when the roughness exceeds a reasonable range set by the control system, the control system controls the electromagnetic valve to increase the flow, and increases the spraying amount of the coating on the area with local roughness;
the second roughness probe can detect the roughness of the sprayed putty layer area, and when the roughness exceeds a reasonable range set by the control system, the control system reminds a worker to spray the sprayed putty layer area for the second time or even for the third time for multiple times until the roughness detected by the second roughness probe accords with the setting of the control system.
Further, the control system includes:
the first signal receiving module is used for receiving the wall surface roughness signal detected by the first roughness probe;
the second signal receiving module is used for receiving the wall surface roughness signal detected by the second roughness probe;
the third signal receiving module is used for receiving the detection signal of the distance detector;
the execution module is used for adjusting the flow of the electromagnetic valve;
the voice broadcasting module is used for sending voice prompt to an operator;
the central processing module processes the signals received by the first signal receiving module, sends instructions to the execution module, processes the signals received by the second signal receiving module and the third signal receiving module, and sends instructions to the voice broadcasting module.
By adopting the technical scheme, when a worker on a scaffold pushes up the spraying gun to a high position through the handheld rod to spray paint, at the moment, the spraying gun is basically in a range of a look-up view angle of the worker, under the condition that outdoor light is strong, the wall putty layer has certain reflectivity, the roughness degree of the surface of the putty layer is inconvenient to directly observe through naked eyes, when the worker moves the spraying gun through the handheld rod, a first roughness probe on a spraying protective cover firstly carries out roughness detection on the surface of the putty layer to be sprayed, under the normal condition, the spraying gun is in a normal spraying state, the roughness range of the surface of the putty layer to be sprayed is generally set to be 50-100 mu m in a central processing module of a control system, namely, in the central processing module, the roughness parameter detected by the first roughness probe is set to be 50-100 mu m, the roughness parameter detected by the second roughness probe is set to be 35-75 mu m, when the worker controls the spraying gun to move, the first roughness signal detected by the first roughness probe is received by the first signal receiving module, and is transmitted to the central processing module, and if the roughness value detected by the first roughness probe is in the range of the central processing module is in the normal spraying state, the roughness value of the surface of the putty layer to be in the range of the normal spraying state, and the roughness value of the putty layer is in the range of the normal spraying state, and the roughness value is in the range of the normal state of the putty layer;
if the first roughness probe detects that the roughness value of the surface of the putty layer to be sprayed is greater than 100 mu m, the roughness of the putty layer area at the moment is higher, at the moment, the central processing module sends an instruction for increasing the coating spraying amount to the execution module, the execution module controls the electromagnetic valve to increase the opening amount of the valve, the amount of the coating sprayed in unit time of the atomizing spray head is increased, thereby increasing the coating spraying amount of the rough area of the putty layer, the rough area is rapidly filled up and the smoothness is ensured, after the single spraying is finished, the second roughness probe behind the spraying protective cover carries out roughness detection on the surface of the putty layer after the coating is sprayed, the second signal receiving module receives a roughness signal detected by the second roughness probe and transmits the roughness signal to the central processing module, when the second roughness probe detects that the roughness value of the surface of the putty layer after the coating is in the range of 35-75 mu m, the electromagnetic valve is increased, the roughness area is filled up with the coating and is qualified after the coating is increased, if the second roughness probe detects that the roughness value of the surface of the putty layer is greater than 75 mu m, the thickness of the first spraying is not enough, the second roughness probe sends a voice broadcasting instruction to a worker in the normal voice broadcasting course of the first voice broadcasting course, and the voice broadcasting process is carried out by the second voice broadcasting module, and the voice broadcasting process is carried out by a voice broadcasting 1 to a worker, and a normal voice broadcasting course is carried out on the voice broadcasting course after the voice broadcasting module, the first roughness probe can also detect the roughness of the paint surface sprayed for the first time, if the roughness detected by the first roughness probe is qualified (the roughness range is 50-100 mu m), the electromagnetic valve is still in a normal spraying state, if the roughness detected by the first roughness probe is unqualified (the roughness is more than 100 mu m), the electromagnetic valve increases the spraying amount, after the second spraying is finished, the second roughness probe carries out roughness detection again on the putty layer surface sprayed with paint, after the detection is qualified (the roughness range is 35-75 mu m), the voice broadcasting module sends a voice broadcasting of 'please continue the next construction', and after the worker receives the voice broadcasting, the worker can carry out spraying construction on the next putty layer area.
In addition, the end face of the port of the spraying protection cover is provided with a distance detector, in the actual spraying process, the distance control between the port of the spraying protection cover and the putty layer is also very important, when the distance between the port of the spraying protection cover and the putty layer is too small, the spraying protection cover is easy to touch the surface of the putty layer, particularly, when the spraying protection cover is easy to touch the sprayed paint for the second time, pits appear on the paint layer, when the distance between the port of the spraying protection cover and the putty layer is too large, the adsorptivity of the paint on the surface of the putty layer can be influenced, therefore, the central processing module sets the effective construction distance between the port of the spraying protection cover and the putty layer to be 5-10cm, the distance detector detects the distance between the port of the spraying protection cover and the putty layer in real time when a worker is in construction, the third signal receiving module receives the detection signal of the distance detector and feeds back the detection signal of the distance detector to the central processing module in real time, if the effective construction distance between the port of the spraying protective cover and the putty layer is smaller than 5cm, the central processing module sends out voice broadcasting of 'the spraying distance is too close' to a worker through the voice broadcasting module, if the effective construction distance between the port of the spraying protective cover and the putty layer is larger than 10cm, the central processing module sends out voice broadcasting of 'the spraying distance is too far' to the worker through the voice broadcasting module, the voice broadcasting can prompt the worker to control the effective spraying construction distance in time, so that better construction effect is ensured, and under normal conditions, when experienced workers construct, better effective construction distance can be ensured, because the structure is a handheld spraying structure, a far distance exists between a spraying gun and the palm of the worker, because of the limitation of the visual angle of people and the limitation of the control flexibility, the distance between the spraying gun and the wall surface is not well controlled, the distance detector can better solve the problem.
Further, the solenoid valve is connected to a paint supply hose, and a feed pump is installed at an end of the paint supply hose, and is located in the paint tank, and after the feed pump is started, paint (paint) is supplied to the solenoid valve through the paint supply hose.
Further, the gas supply passage includes a first gas supply passage, a second gas supply passage, a third gas supply passage, a fourth gas supply passage, a fifth gas supply passage, which are in communication with the paint supply passage in this order;
the third gas supply channel is internally provided with a gas opening control mechanism, the fourth gas supply channel is internally provided with a gas flow control mechanism, and the port of the fifth gas supply channel is connected with a gas supply hose which is connected with a gas pump.
Further, the gas opening control mechanism comprises a handle hinged with the spray gun main body, a connecting rod connected with the handle, a sleeve fixedly arranged in the third gas supply channel, the connecting rod stretches into the sleeve, an inner cavity of the sleeve is communicated with the third gas supply channel, a conical plug is arranged at a port of the sleeve and is connected with an end part of the connecting rod, the peripheral surface of the conical plug corresponds to the port of the sleeve, and a push rod motor connected with the handle is arranged on the spray gun main body.
The gas flow control mechanism comprises a screw rod arranged in a fourth gas supply channel, one end of the screw rod is connected with a flow adjusting head, the other end of the screw rod is connected with an adjusting knob, a thread bush is fixedly arranged in the fourth gas supply channel and sleeved on the outer side of the screw rod, a shoulder is arranged in the middle of the fourth gas supply channel, and the peripheral surface of the flow adjusting head is in contact with the shoulder.
The spray gun is characterized in that a mixing channel communicated with the paint supply channel is arranged in the spray gun main body, a push rod connected with the handle is arranged in the mixing channel, a conical sealing part is arranged at the end part of the push rod, a discharge hole is arranged at the end part of the mixing channel, an atomizing nozzle is positioned in the discharge hole, the conical sealing part stretches into the discharge hole, a spring is sleeved on the peripheral surface of the push rod, one end of the spring is connected with the push rod, and the other end of the spring is connected with the spray gun main body.
When the spraying gun is started, the push rod motor drives the handle to move, at the moment, the handle extrudes the connecting rod towards one side, the connecting rod drives the conical plug to be separated from the port of the sleeve, at the moment, the gas starting control mechanism is in an opening state, the second gas supply channel and the third gas supply channel are in a connecting state, high-pressure gas conveyed into the fifth gas supply channel by the gas supply hose sequentially passes through the fourth gas supply channel, the third gas supply channel, the second gas supply channel and the first gas supply channel and enters the paint supply channel and contacts paint led out by the electromagnetic valve, at the same time, the handle rotates, the handle drives the push rod to move, the conical sealing part at the end part of the push rod is pulled out from the discharge port, the discharge port is in an opening state, and the paint of the mixed gas enters the discharge port and is sprayed out at a high speed through the atomizing spray nozzle, so that the spraying work of the paint is performed.
In addition, the gas flow control mechanism in the fourth gas supply channel can also adjust the gas flow entering the paint supply channel, because the requirement of the paint sprayed by the spraying gun on the gas flow change sensitivity is not very high, therefore, the gas flow control mechanism adopts manual control, when in gas flow control, a human hand can rotate the adjusting knob, the adjusting knob drives the screw rod to stretch relative to the threaded sleeve, when the screw rod stretches into the fourth gas supply channel, the flow adjusting head is close to the shoulder, at the moment, the gas flow in the fourth gas supply channel becomes smaller, and when the screw rod stretches out towards the outside of the fourth gas supply channel, the flow adjusting head is far away from the shoulder, at the moment, the gas flow in the fourth gas supply channel becomes larger, the gas flow control can be carried out according to the experience of workers, the procedure of gas flow adjustment is mainly carried out in the debugging process of the spraying gun, and the gas flow adjustment is basically not needed after the spraying gun debugging is finished.
Further, the handheld rod is a telescopic rod, a control box is arranged on the handheld rod, the control system is integrated in the control box, a loudspeaker connected with the voice broadcasting module is arranged on the control box, the telescopic rod can control the length, the construction height of the spraying gun at the end part of the regulator is convenient to correspond, and the loudspeaker can amplify the broadcasting voice of the voice broadcasting module;
further, the end of the handheld rod is provided with a handle, the handle is provided with a button for controlling the push rod motor to be turned on or off, the handle is convenient for a worker to hold, and the worker can rapidly control the push rod motor to be turned on or off through the button.
In addition, the bottom of spraying rifle main part is equipped with the adapter sleeve, and the one end that the handle was kept away from to the handheld pole is connected with the adapter sleeve screw thread, and handheld pole easy dismounting.
The beneficial effects of the invention are as follows: 1. the hand-held rod of the spraying equipment is convenient for a worker to hold and push the spraying gun up to a high position for spraying, the spraying protection cover is used for preventing the paint sprayed by the spraying gun from being windy, the distance detector on the spraying protection cover can be used for detecting the effective construction distance between the port of the spraying protection cover and the wall putty layer, and when the distance L detected by the distance detector exceeds the range set by the control system, the control system can remind the worker to control the distance between the port of the spraying protection cover and the wall putty layer, so that the spraying uniformity and the construction quality are ensured;
2. one side of the port of the spraying protective cover is provided with a plurality of first roughness probes, the other side of the port of the spraying protective cover is provided with a plurality of second roughness probes, the first roughness probes can detect the roughness of the putty layer area before spraying, and when the roughness exceeds a reasonable range set by the control system, the control system controls the electromagnetic valve to increase the flow and increases the spraying amount of the coating on the area with local roughness;
the second roughness probe can detect the roughness of the sprayed putty layer area, when the roughness exceeds a reasonable range set by the control system, the control system reminds a worker to spray the sprayed putty layer area for the second time or even the third time for multiple times until the roughness detected by the second roughness probe accords with the setting of the control system, so that the problem that the paint is not sprayed in place is avoided, and the spraying construction quality is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the construction of the spray gun of the present invention;
FIG. 4 is a schematic cross-sectional view of the spray gun of the present invention after being connected to a spray shield;
FIG. 5 is a schematic front view of the spray shield of the present invention;
fig. 6 is a schematic diagram of a control system according to the present invention.
Reference numerals illustrate: 1. a spray gun; 11. a spray gun body; 12. an atomizing nozzle; 13. a paint supply channel;
14. a paint flow control mechanism; 141. an electromagnetic valve; 142. a mixing channel; 143. a push rod; 144. a tapered seal portion; 145. a discharge port; 146. a spring; 147. a paint supply hose;
15. a first gas supply passage; 16. a second gas supply passage; 17. a third gas supply passage; 18. a fourth gas supply passage; 19. a fifth gas supply passage;
110. a gas opening control mechanism; 1101. a handle; 1102. a connecting rod; 1103. a sleeve; 1104. conical plugging; 1105. a push rod motor;
111. a gas flow control mechanism; 1111. a screw; 1112. a flow rate adjustment head; 1113. an adjustment knob; 1114. a thread sleeve; 1115. shoulder; 112. a gas supply hose; 113. connecting sleeves;
2. a hand-held lever; 21. a handle; 22. a button; 23. a control box; 24. a loudspeaker;
3. spraying a protective cover; 31. a first roughness probe; 32. a second roughness probe; 33. a distance detector;
4. a control system; 41. a first signal receiving module; 42. a second signal receiving module; 43. a third signal receiving module; 44. an execution module; 45. a voice broadcasting module; 46. and a central processing module.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the handheld paint spraying device comprises a spraying gun 1, a handheld rod 2 connected with the spraying gun 1 and a spraying protection cover 3 arranged at a discharge port of the spraying gun 1, wherein the spraying gun 1 comprises a spraying gun main body 11, an atomizing nozzle 12 arranged at one end of the spraying gun main body 11, a paint supply channel 13 and a gas supply channel arranged in the spraying gun main body 11, a paint flow control mechanism 14 is arranged in the paint supply channel 13, and the gas supply channel comprises a first gas supply channel 15, a second gas supply channel 16, a third gas supply channel 17, a fourth gas supply channel 18 and a fifth gas supply channel 19 which are sequentially communicated with the paint supply channel 13;
wherein, the third gas supply channel 17 is provided with a gas opening control mechanism 110, the fourth gas supply channel 18 is provided with a gas flow control mechanism 111, the port of the fifth gas supply channel 19 is connected with a gas supply hose 112, and the gas supply hose 112 is connected with a gas pump.
In the present embodiment, the paint flow control mechanism 14 includes a solenoid valve 141 mounted at the port of the paint supply channel 13.
Further, the gas opening control mechanism 110 includes a handle 1101 hinged to the spray gun body 11, a link 1102 connected to the handle 1101, a sleeve 1103 fixedly provided in the third gas supply passage 17, the link 1102 extending into the sleeve 1103, an inner cavity of the sleeve 1103 communicating with the third gas supply passage 17, a tapered plug 1104 provided at a port of the sleeve 1103, the tapered plug 1104 connected to an end of the link 1102, a peripheral surface of the tapered plug 1104 corresponding to a port of the sleeve 1103, and a push rod motor 1105 connected to the handle 1101 provided on the spray gun body 11.
The gas flow control mechanism 111 includes a screw 1111 disposed in the fourth gas supply channel 18, one end of the screw 1111 is connected to the flow adjustment head 1112, the other end of the screw 1111 is connected to the adjustment knob 1113, a threaded sleeve 1114 is fixedly installed in the fourth gas supply channel 18, the threaded sleeve 1114 is sleeved outside the screw 1111, a shoulder 1115 is disposed in the middle of the fourth gas supply channel 18, and the peripheral surface of the flow adjustment head 1112 contacts with the shoulder 1115.
In addition, a mixing channel 142 communicated with the paint supply channel 13 is arranged in the spray gun main body 11, a push rod 143 connected with a handle 1101 is arranged in the mixing channel 142, a conical sealing part 144 is arranged at the end part of the push rod 143, a discharge hole 145 is arranged at the end part of the mixing channel 142, the atomizing nozzle 12 is positioned in the discharge hole 145, the conical sealing part 144 extends into the discharge hole 145, a spring 146 is sleeved on the peripheral surface of the push rod 143, one end of the spring 146 is connected with the push rod 143, and the other end is connected with the spray gun main body 11. The solenoid valve 141 is connected to the paint supply hose 147, and a feed pump is installed at an end of the paint supply hose 147, and is positioned in the paint tank, and after the feed pump is started, paint (paint) is supplied to the solenoid valve 141 through the paint supply hose.
In addition, handle 21 is installed to the tip of handheld pole 2, is equipped with the button 22 that control push rod motor 1105 opened and close on the handle 21, and handle 21 makes things convenient for the workman to hold, and the workman can control push rod motor 1105 fast and open and close through button 22, and spray coating gun main part 11's bottom is equipped with adapter sleeve 113, and the one end that handheld pole 2 kept away from handle 21 and adapter sleeve 113 threaded connection, handheld pole 2 easy dismounting.
When the spray gun is started, the push rod motor 1105 drives the handle 1101 to move, at this time, the handle 1101 presses the connecting rod 1102 towards one side, the connecting rod 1102 drives the conical plug 1104 to be separated from the port of the sleeve 1103, at this time, the gas opening control mechanism is in an open state, the second gas supply channel 16 and the third gas supply channel 17 are in a connected state, high-pressure gas supplied into the fifth gas supply channel 19 by the gas supply hose 112 sequentially passes through the fourth gas supply channel 18, the third gas supply channel 17, the second gas supply channel 16 and the first gas supply channel 15 and enters into the paint supply channel 13 and contacts with paint led out by the electromagnetic valve 141, at the same time, when the handle 1101 rotates, the handle 1101 drives the push rod 143 to move, the conical sealing part 144 at the end part of the push rod 143 is extracted from the discharge port 145, the discharge port 145 is in an open state, and the paint of the mixed gas enters into the discharge port 145 and is sprayed out at a high speed through the spray nozzle 12, so that the spray operation of paint is performed.
In addition, the gas flow control mechanism 111 in the fourth gas supply channel 18 can also adjust the gas flow entering the paint supply channel 13, because the requirement of the paint sprayed by the spray gun on the sensitivity of the gas flow change is not very high, the gas flow control mechanism 111 adopts manual control, during the gas flow control, a human hand can rotate the adjusting knob 1113, the adjusting knob 1113 drives the screw 1111 to stretch relative to the threaded sleeve 1114, when the screw 1111 stretches into the fourth gas supply channel 18, the flow adjusting head 1112 approaches the shoulder 1115, at this time, the gas flow in the fourth gas supply channel 18 becomes small, when the screw 1111 stretches out of the fourth gas supply channel 18, the flow adjusting head 1112 moves away from the shoulder 1115, at this time, the gas flow in the fourth gas supply channel 18 becomes large, the gas flow control can be performed according to the experience of the human, the procedure of gas flow adjustment is mainly performed during the debugging of the spray gun, and after the debugging of the spray gun is completed, the adjustment is basically unnecessary.
As shown in fig. 1 and 5, in order to control the spraying precision, one side of the port of the spraying protection cover 3 is provided with a plurality of first roughness probes 31, the other side of the port of the spraying protection cover 3 is provided with a plurality of second roughness probes 32, and during the spraying construction, the spraying protection cover 3 generally moves from left to right, and the first roughness probes 31 are positioned in front of the spraying protection cover 3 and the second roughness probes 32 are positioned behind the spraying protection cover 3 with reference to the moving direction of the spraying protection cover 3;
a distance detector 33 is arranged on the end face of the port of the spraying protective cover 3; the first roughness probe 31, the second roughness probe 32, the distance detector 33 and the solenoid valve 141 are all connected to the control system 4.
The spraying gun is mainly used for spraying paint (paint) to the wall surface of a building, a hand-held rod 2 is convenient for a worker to hold and pushes the spraying gun up to a high position for spraying, a spraying protection cover 3 is used for preventing the paint sprayed by the spraying gun from being windy and protected, a distance detector 33 on the spraying protection cover 3 can detect the distance between a port of the spraying protection cover 3 and a putty layer of the wall surface, and when the distance L detected by the distance detector exceeds the range set by a control system 4, the control system 4 can remind the worker to control the distance between the port of the spraying protection cover and the putty layer of the wall surface, so that the spraying uniformity is ensured;
in addition, the first roughness probe 31 can detect the roughness of the putty layer area before spraying, when the roughness exceeds a reasonable range set by the control system 4, the control system controls the electromagnetic valve 141 to increase the flow, and increases the spraying amount of the coating on the area with local roughness;
the second roughness probe 32 can detect the roughness of the sprayed putty layer area, and when the roughness exceeds a reasonable range set by the control system 4, the control system 4 reminds a worker to spray the previously sprayed putty layer area for the second time or even the third time for multiple times until the roughness detected by the second roughness probe 32 accords with the setting of the control system.
Further, as shown in fig. 6, the control system 4 includes:
a first signal receiving module 41, configured to receive the wall surface roughness signal detected by the first roughness probe 31;
a second signal receiving module 42, configured to receive the wall surface roughness signal detected by the second roughness probe 32;
a third signal receiving module 43 for receiving the detection signal of the distance detector 33;
an execution module 44 for adjusting the flow rate of the electromagnetic valve 141;
the voice broadcasting module 45 is used for sending a voice prompt to an operator;
the central processing module 46 processes the signals received by the first signal receiving module 41, sends instructions to the execution module 44, processes the signals received by the second signal receiving module 42 and the third signal receiving module 43, and sends instructions to the voice broadcasting module 45.
When a worker on a scaffold pushes up a spray gun to a high position through a handheld rod 2 to spray paint, at the moment, the spray gun is basically in a range of a look-up view angle of the worker, under the condition that outdoor light is strong, the wall putty layer has certain reflectivity, the roughness degree of the surface of the putty layer is inconvenient to directly observe through naked eyes, when the worker moves the spray gun through the handheld rod 2, a first roughness probe 31 on the spray shield 3 firstly detects the roughness of the surface of the putty layer to be sprayed, under the normal condition, the spray gun is in a normal spraying state, a central processing module 46 of a control system generally sets the roughness range of the surface of the putty layer to be sprayed to be 50-100 mu m, namely, under the condition that the central processing module 46 sets the roughness parameter of the surface of the putty layer after the spray paint to be 35-75 mu m, namely, under the condition that the roughness parameter of the surface of the first roughness probe 31 is set to be 50-100 mu m, the roughness parameter of the surface of the second roughness probe 32 is set to be 35-75 mu m, when the worker moves the spray gun, the first signal receiving module 41 receives the roughness signal detected by the first roughness probe 31 and transmits the roughness signal detected by the first roughness probe 31 to the central processing module to the surface of the putty layer to be sprayed to be in the normal condition that the roughness range of the surface of the spray paint layer is in the normal condition of the range of the spray paint to be at the default of the surface of the spray paint layer of the 35-100 mu m, and the roughness value is in the normal condition of the range of the surface of the roughness of the putty layer to be sprayed to be at the surface of the roughness layer to be at the normal value of the roughness layer to be at the roughness 50;
if the first roughness probe 31 detects that the roughness value of the surface of the putty layer to be sprayed is greater than 100 μm, which indicates that the roughness value of the putty layer area at this time is higher, at this time, the central processing module 46 sends an instruction for increasing the coating spraying amount to the execution module 44, the execution module 44 controls the solenoid valve 141 to increase the opening amount of the valve, the amount of the coating sprayed by the atomizing nozzle 12 per unit time is increased, thereby increasing the coating spraying amount of the putty layer coarse area, rapidly filling up the coarse area and guaranteeing the smoothness, after finishing the single spraying, the second roughness probe 32 behind the spraying protection cover 3 detects the roughness of the putty layer surface after spraying the coating, the second signal receiving module 42 receives the roughness signal detected by the second roughness probe 32 and transmits the roughness signal to the central processing module 46, when the value of the roughness value of the putty layer surface after the second roughness probe 32 detects the coating is in the range of 35-75 μm, which indicates that the high roughness area of the putty layer has been filled with the coating, and is qualified by the coating, if the second roughness probe 32 detects the coating layer after finishing the single spraying, the second roughness probe detects the coating layer after finishing the single spraying, the second roughness probe is required to send a normal spraying to the second voice broadcasting path to the 5 m, the voice broadcasting module is required to perform the voice broadcasting for the second voice broadcasting to the surface, and the voice broadcasting 1 is performed again, and the voice broadcasting 1 is performed on the surface of the surface after the normal spraying path is required, and the voice broadcasting is performed, the voice broadcasting 1 is performed on the surface, and the surface of the surface is sprayed, and the normal path is sprayed, the voice broadcasting path is sprayed, in the process of the second spraying, the first roughness probe 31 also detects the roughness of the surface of the paint sprayed for the first time, if the roughness detected by the first roughness probe 31 is qualified (the roughness range is 50-100 μm), the electromagnetic valve 141 is still in a normal spraying state, if the roughness detected by the first roughness probe 31 is unqualified (the roughness is greater than 100 μm), the electromagnetic valve 141 increases the spraying amount, after the second spraying is finished, the second roughness probe 32 detects the roughness of the surface of the putty layer sprayed with the paint again, and after the detection is qualified (the roughness range is 35-75 μm), the voice broadcasting module 45 sends a voice broadcasting of 'please continue with the next construction', and after the worker receives the voice broadcasting, the spraying construction can be carried out on the next putty layer area.
In addition, the end face of the port of the spraying protection cover 3 is provided with a distance detector 33, in the actual spraying process, the distance control between the port of the spraying protection cover 3 and the putty layer is very important, when the distance between the port of the spraying protection cover 3 and the putty layer is too small, the spraying protection cover 3 is easy to touch the surface of the putty layer, particularly, when in secondary spraying, the spraying protection cover 3 is easy to touch the sprayed paint, so that pits appear on the paint layer, when the distance between the port of the spraying protection cover 3 and the putty layer is too large, the adsorptivity of the paint on the surface of the putty layer can be influenced, therefore, the central processing module 46 sets the effective construction distance between the port of the spraying protection cover 3 and the putty layer to be 5-10cm, when workers construct, the distance detector 33 detects the distance between the port of the spraying protection cover and the putty layer in real time, the third signal receiving module 43 receives the detection signal of the distance detector 33 and feeds back the detection signal to the central processing module 46 in real time, if the effective construction distance between the port of the spraying protection cover 3 and the putty layer is smaller than 5cm, the central processing module 46 sends out voice broadcasting of 'too close spraying distance' to the worker through the voice broadcasting module 45, if the effective construction distance between the port of the spraying protection cover 3 and the putty layer is larger than 10cm, the central processing module 46 sends out voice broadcasting of 'too far spraying distance' to the worker through the voice broadcasting module 45, the voice broadcasting can prompt the worker to control the effective spraying construction distance in time, so that better construction effect is ensured, under normal conditions, the experienced worker can ensure better effective construction distance, because the structure is a handheld spraying structure, a far distance exists between the spraying gun and the palm of the worker, the distance detector 33 can solve this problem well because of the limited viewing angle of the person and the limited flexibility of control, the distance between the spray gun and the wall surface is not well controlled.
In this embodiment, handheld pole 2 is the telescopic link, is equipped with control box 23 on the handheld pole 2, and control system 4 integration is in control box 23, is equipped with the megaphone 24 of being connected with voice broadcast module 45 on the control box 23, and the telescopic link can control length, conveniently corresponds the construction height of regulator tip spraying rifle, and megaphone 24 can carry out volume amplification to voice broadcast module 45's broadcasting voice.
In summary, the hand-held rod 2 of the spraying device is convenient for a worker to hold and push the spraying gun 1 to a high position for spraying, the spraying protection cover 3 prevents wind for the coating sprayed by the spraying gun 1, the distance detector 33 on the spraying protection cover 3 can detect the effective construction distance between the port of the spraying protection cover 3 and the wall putty layer, and when the distance L detected by the distance detector 33 exceeds the range set by the control system 4, the control system 4 can remind the worker to control the distance between the port of the spraying protection cover and the wall putty layer, so that the spraying uniformity and the construction quality are ensured;
one side of the port of the spraying protection cover 3 is provided with a plurality of first roughness probes 31, the other side of the port of the spraying protection cover 3 is provided with a plurality of second roughness probes 32, the first roughness probes 31 can detect the roughness of the putty layer area before spraying, and when the roughness exceeds a reasonable range set by the control system 4, the control system 4 controls the electromagnetic valve 141 to increase the flow rate and increases the spraying amount of the coating on the area with local roughness;
the second roughness probe 32 can detect the roughness of the sprayed putty layer area, and when the roughness exceeds a reasonable range set by the control system 4, the control system 4 reminds a worker to spray the putty layer area sprayed before for the second time or even for the third time for multiple times until the roughness detected by the second roughness probe 32 accords with the setting of the control system, so that the problem that the paint is not sprayed in place is avoided, and the spraying construction quality is guaranteed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The handheld paint spraying equipment comprises a spraying gun (1), a handheld rod (2) connected with the spraying gun (1) and a spraying protection cover (3) arranged at a discharge port of the spraying gun (1), and is characterized in that the spraying gun (1) comprises a spraying gun main body (11), an atomizing nozzle (12) arranged at one end of the spraying gun main body (11), a paint supply channel (13) and a gas supply channel which are arranged in the spraying gun main body (11), a paint flow control mechanism (14) is arranged in the paint supply channel (13), and a gas flow control mechanism (111) is arranged in the gas supply channel;
one side of the port of the spraying protection cover (3) is provided with a plurality of first roughness probes (31), and the other side of the port of the spraying protection cover (3) is provided with a plurality of second roughness probes (32);
a distance detector (33) is arranged on the end face of the port of the spraying protective cover (3);
the paint flow control mechanism (14) comprises an electromagnetic valve (141) arranged at the port of the paint supply channel (13), and the first roughness probe (31), the second roughness probe (32), the distance detector (33) and the electromagnetic valve (141) are all connected with a control system (4);
the first roughness probe (31) detects the roughness of the putty layer area before spraying, and when the roughness exceeds a reasonable range set by the control system (4), the control system controls the electromagnetic valve (141) to increase the flow, and increases the spraying amount of the coating on the area with local roughness;
the second roughness probe (32) detects the roughness of the sprayed putty layer area, and when the roughness exceeds a reasonable range set by the control system (4), the control system (4) reminds a worker to spray the sprayed putty layer area for the second time or even the third time for multiple times until the roughness detected by the second roughness probe (32) accords with the setting of the control system;
the control system (4) comprises:
the first signal receiving module (41) is used for receiving the wall surface roughness signal detected by the first roughness probe (31);
a second signal receiving module (42) for receiving the wall surface roughness signal detected by the second roughness probe (32);
a third signal receiving module (43) for receiving a detection signal of the distance detector (33);
-an execution module (44) for adjusting the magnitude of the flow of the solenoid valve (141);
the voice broadcasting module (45) is used for sending a voice prompt to an operator;
the central processing module (46) processes the signals received by the first signal receiving module (41) and sends instructions to the execution module (44), processes the signals received by the second signal receiving module (42) and the third signal receiving module (43) and sends instructions to the voice broadcasting module (45);
the central processing module (46) sets the roughness parameter detected by the first roughness probe (31) to be 50-100 mu m, sets the roughness parameter detected by the second roughness probe (32) to be 35-75 mu m, receives the roughness signal detected by the first roughness probe (31) when a worker controls the spray gun to move, and transmits the roughness signal to the central processing module (46), and if the first roughness probe (31) detects that the roughness value of the surface of the putty layer to be sprayed is in the range of 50-100 mu m, the central processing module (46) defaults that the roughness of the surface of the putty layer belongs to the normal range, and the atomizing nozzle (12) of the spray gun is in the normal paint spraying state;
if the first roughness probe (31) detects that the roughness value of the surface of the putty layer to be sprayed is larger than 100 mu m, the central processing module (46) sends an instruction for increasing the spraying amount of the paint to the execution module (44), the execution module (44) controls the electromagnetic valve (141) to increase the opening amount of the valve, in the moving process of the spraying protection cover (3), the second roughness probe (32) behind the spraying protection cover (3) detects the roughness of the surface of the putty layer after spraying the paint, the second signal receiving module (42) receives a roughness signal detected by the second roughness probe (32) and transmits the roughness signal to the central processing module (46), when the second roughness probe (32) detects that the roughness value of the surface of the putty layer after spraying the paint is in the range of 35-75 mu m, the higher area of the putty layer is filled with the paint and is qualified by spraying, if the second roughness value of the surface of the putty layer after spraying the paint is detected by the second roughness probe (32) is larger than 75 mu m, the second voice broadcasting is needed, the central processing module (46) sends a reminding instruction to the voice broadcasting module (45) to the voice broadcasting the surface after the second roughness is performed again, the second voice broadcasting process is performed on the second surface after the second voice broadcasting the surface by the second roughness probe (45), if the roughness detected by the first roughness probe (31) is qualified, the electromagnetic valve (141) is in a normal spraying state, if the roughness detected by the first roughness probe (31) is unqualified, the electromagnetic valve increases the spraying amount, after the second spraying is finished, the second roughness probe (32) detects the roughness of the surface of the putty layer after the coating is sprayed again, and after the detection is qualified, the voice broadcasting module (45) sends a voice broadcasting of 'please continue next construction', and after the worker receives the voice broadcasting, the spraying construction can be carried out on the next putty layer area.
2. A hand-held paint spraying device according to claim 1, characterised in that the solenoid valve (141) is connected to a paint supply hose (147), the end of the paint supply hose (147) being fitted with a feed pump, the feed pump being located in the paint tank.
3. A hand-held paint-spraying device according to claim 1, characterized in that the gas supply channels comprise a first gas supply channel (15), a second gas supply channel (16), a third gas supply channel (17), a fourth gas supply channel (18), a fifth gas supply channel (19) in communication with the paint supply channel (13) in sequence;
the third gas supply channel (17) is internally provided with a gas opening control mechanism (110), the fourth gas supply channel (18) is internally provided with a gas flow control mechanism (111), the port of the fifth gas supply channel (19) is connected with a gas supply hose (112), and the gas supply hose (112) is connected with a gas pump.
4. A hand-held paint spraying apparatus as claimed in claim 3, in which the gas opening control means (110) comprises a handle (1101) hinged to the spray gun body (11), a connecting rod (1102) connected to the handle (1101), a sleeve (1103) fixedly arranged in the third gas supply passage (17), the connecting rod (1102) extending into the sleeve (1103), the inner cavity of the sleeve (1103) communicating with the third gas supply passage (17), a conical plug (1104) being provided at the port of the sleeve (1103), the conical plug (1104) being connected to the end of the connecting rod (1102), the peripheral surface of the conical plug (1104) corresponding to the port of the sleeve (1103), a push rod motor (1105) connected to the handle (1101) being provided on the spray gun body (11).
5. A hand-held paint spraying apparatus as claimed in claim 3, in which the gas flow control means (111) comprises a screw (1111) provided in the fourth gas supply passage (18), one end of the screw (1111) is connected to a flow rate adjustment head (1112), the other end of the screw (1111) is connected to an adjustment knob (1113), a threaded sleeve (1114) is fixedly mounted in the fourth gas supply passage (18), the threaded sleeve (1114) is arranged on the outside of the screw (1111), a shoulder (1115) is provided in the middle of the fourth gas supply passage (18), and the peripheral surface of the flow rate adjustment head (1112) is in contact with the shoulder (1115).
6. The hand-held paint spraying apparatus as claimed in claim 4, wherein a mixing channel (142) which is communicated with the paint supply channel (13) is provided in the paint spraying gun main body (11), a push rod (143) which is connected with the handle (1101) is provided in the mixing channel (142), a conical sealing part (144) is provided at the end of the push rod (143), a discharge port (145) is provided at the end of the mixing channel (142), the atomizing nozzle (12) is provided in the discharge port (145), the conical sealing part (144) extends into the discharge port (145), a spring (146) is provided on the circumferential surface of the push rod (143), one end of the spring (146) is connected with the push rod (143), and the other end is connected with the paint spraying gun main body (11).
7. A hand-held paint spraying device according to claim 3, characterised in that the hand-held lever (2) is a telescopic lever, the hand-held lever (2) is provided with a control box (23), the control system (4) is integrated in the control box (23), and the control box (23) is provided with a loudspeaker (24) connected with the voice broadcasting module (45).
8. A hand-held paint spraying apparatus as claimed in claim 4, in which a handle (21) is mounted at the end of the hand-held wand (2), the handle (21) being provided with a button (22) for controlling the opening and closing of the push rod motor (1105).
9. A hand-held paint-spraying device according to claim 8, characterised in that the bottom of the spray gun body (11) is provided with a connecting sleeve (113), and that the end of the hand-held rod (2) remote from the handle (21) is in threaded connection with the connecting sleeve (113).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210978728.6A CN115142647B (en) | 2022-08-16 | 2022-08-16 | Handheld paint spraying equipment |
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| CN202210978728.6A CN115142647B (en) | 2022-08-16 | 2022-08-16 | Handheld paint spraying equipment |
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| CN115142647B true CN115142647B (en) | 2023-08-18 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3126114B2 (en) * | 1997-11-12 | 2001-01-22 | 株式会社ミツトヨ | Non-contact surface roughness measuring device |
| CN105804377A (en) * | 2016-02-23 | 2016-07-27 | 纬冈工业（宁波）有限公司 | Putty spray gun |
| JP6270896B2 (en) * | 2016-03-29 | 2018-01-31 | 本田技研工業株式会社 | COATING NOZZLE, COATING DEVICE, AND COATING METHOD USING THEM |
| CN208072892U (en) * | 2018-03-25 | 2018-11-09 | 深圳市文丰装饰设计工程有限公司 | A kind of finishing coating spray gun |
| CN111054532A (en) * | 2019-12-30 | 2020-04-24 | 杭州赫诚机械科技有限公司 | Double-linkage paint spray gun |
| CN111958504B (en) * | 2020-08-11 | 2022-02-08 | 水利部产品质量标准研究所 | Automatic sand blasting device and method with cooperation of curved surface tracks in thermal spraying process |
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Effective date of registration: 20230727 Address after: 050000 Room 6-606, No. 26, Xiangjiang Road, High tech Zone, Shijiazhuang City, Hebei Province Applicant after: Hebei Yiyun Construction Engineering Co.,Ltd. Address before: Room 610, 6th Floor, Building 9, Bosi Mingzuo, Xicheng, Xihu District, Hangzhou City, Zhejiang Province, 310000 Applicant before: Hangzhou Hengfeng Technology Co.,Ltd. |
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