Automatic mixing and proportioning device for welding powder raw materials

Abstract

The utility model relates to an automatic mixing and proportioning device for welding powder raw materials, which comprises a barrel, a rotating shaft movably connected to the center of the barrel and a steam chamber connected to the inner surface of the barrel, a discharge pipe is communicated below the barrel, an air inlet and an air outlet which are communicated with the steam chamber are connected to two sides of the barrel, a sleeve and a feed pipe are communicated above the barrel, and the feed pipe is communicated with the sleeve. A main motor used for driving the rotating shaft to rotate is connected to the center of the upper portion of the barrel, spiral blades are connected to the center of the rotating shaft in a surrounding mode, stirring blades are connected to the lower end of the rotating shaft, a material guiding pipe is detachably connected to the interior of the sleeve, the side of the material guiding pipe communicates with an auxiliary material pipe, and auger blades are movably connected to the center of the material guiding pipe; an auxiliary motor used for driving the auger blades to rotate is connected to the upper portion of the material guiding pipe. According to the device, welding powder raw materials can be accurately controlled to be mixed and stirred, the welding powder mixing and stirring sufficiency is effectively improved, the product quality after welding powder mixing can be effectively improved, and the welding powder using effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding powder mixing, in particular to a welding powder raw material automatic mixing proportioning device. BACKGROUND

[0002] The filling production of welding powder generally needs to be mixed and stirred first, and the conventional stirring device mostly directly introduces the raw material into the cylinder and also carries out stirring mixing through stirring, the simple stirring device is difficult to control the content of the added raw material, especially the addition of the auxiliary material, and the content of the welding powder composition is prone to error due to excessive addition of the auxiliary material, the welding powder raw material, especially the auxiliary material, cannot be accurately controlled, the welding effect of the welding powder is affected, meanwhile, the production of the welding powder has extremely strict requirements on the environment, and the humid environment is prone to cause the welding powder to be caked during processing, which not only affects the fullness of the mixing in the welding powder processing and preparation process, but also affects the use of the subsequent welding powder. SUMMARY

[0003] The utility model mainly solves the technical problems existing in the prior art, thereby providing a welding powder raw material automatic mixing proportioning device which can guarantee the accuracy of the content of the welding powder auxiliary material, effectively increase the drying effect in the welding powder mixing preparation process, and improve the welding powder mixing use quality.

[0004] The utility model discloses a welding powder raw material automatic mixing proportioning device, including the cylinder, and the movable joint in the central part of the cylinder's rotating shaft, and the steam chamber connected in the inner surface of the cylinder, the cylinder lower intercommunication has the discharge pipe, and the both sides of the cylinder are connected with the gas inlet and the gas outlet that communicate with the steam chamber, the cylinder upper intercommunication has the sleeve pipe and the feed pipe, and the central part of the cylinder top is connected with the main motor that is used for driving the rotating shaft rotation, the central part of the rotating shaft is connected with the spiral blade, and the lower extreme of the rotating shaft is connected with the stirring blade, the inside of the sleeve pipe is detachably connected with the material guide pipe, the side of the material guide pipe intercommunication has the auxiliary material pipe, and the central part of the material guide pipe is movably connected with the auger blade, and the upper side of the material guide pipe is connected with the auxiliary motor that is used for driving the auger blade rotation.

[0005] As preferred, the lower end of the material guide pipe is embedded in the sleeve pipe, and the outside of the material guide pipe is connected with the plug tube, the upper end of the sleeve pipe is connected with the embedding groove that is mutually clamped with the lower end of the plug tube, so that the lower end of the material guide pipe is erected in the sleeve pipe and is connected with the cylinder, and the plug tube is fixed above the sleeve pipe through the clamping of the lower end of the plug tube and the embedding groove, so that the material guide pipe is fixedly installed in the central part of the sleeve pipe.

[0006] As preferred, one end of the auxiliary material pipe is connected with the guide pipe and located in the center of the auger blade, and the other end of the auxiliary material pipe is connected with a flange, so that the auxiliary material can enter the guide pipe through the auxiliary material pipe and be accurately spiral conveyed through the auger blade, and the flange facilitates the producer to connect the external auxiliary material supply pipe, and facilitates the conveying of the auxiliary material.

[0007] As preferred, the central part of the guide pipe is movably connected with a mandrel, the auxiliary motor is drivingly connected with the mandrel, and the auger blade is connected around the outer surface of the mandrel, and a gap of 1mm-3mm is arranged between the outer surface of the auger blade and the inner surface of the guide pipe, so that the mandrel is driven to rotate by the auxiliary motor, and then the auger blade is driven to convey the auxiliary material by the mandrel, and the gap between the auger blade and the guide pipe not only avoids the possibility that the auxiliary material directly falls into the cylinder through the gap, but also ensures the accuracy of the auxiliary material addition and effectively prevents the auger blade from being jammed during spiral conveying of the auxiliary material, thereby ensuring smooth conveying of the auxiliary material.

[0008] As preferred, the steam chamber is connected with fins on the side facing the rotating shaft, and a circulation pipe is arranged in the steam chamber, one end of the circulation pipe is connected with the air inlet, and the other end of the circulation pipe is connected with the air outlet, so that the high-temperature steam can flow into and out through the air inlet and the air outlet respectively, and the fins are heat-conducted through the circulation pipe, so as to heat the solder powder raw material in the cylinder, thereby avoiding the solder powder from being caked due to a humid environment, the thickness of the fins is less than 3mm, and the number of the fins is between 3 and 6 and is evenly distributed in the cylinder.

[0009] As preferred, the stirring blade is provided with two or more blades and is evenly distributed on the outside of the rotating shaft, and each stirring blade is connected with a dispersion hole in the center, and the dispersion hole is provided with two or more holes and is evenly distributed in the center of the stirring blade, the stirring blade is connected with a scraping strip on the outside, and an included angle b is arranged between the stirring blade and the shaft core, the range of the included angle b is between 10 degrees and 30 degrees, so as to mix the solder powder raw material in the cylinder through the stirring blade, increase the dispersion of the solder powder raw material through the dispersion hole, improve the mixing effect of the stirring blade, and scrape off the solder powder raw material adhered to the surface of the cylinder through the scraping strip, thereby facilitating the fullness of the solder powder mixing and the smoothness of the discharging.

[0010] As preferred, a pipe cover is detachably connected above the feeding pipe, and a ball valve is connected in the center of the discharging pipe, so that the main material of the solder powder can be introduced through the feeding pipe, the feeding pipe can be closed and sealed through the pipe cover, and the user can observe the inside of the cylinder through the feeding pipe.

[0011] As preferred, the outer surface of the barrel is further provided with an exhaust pipe and a probe pipe in communication, the exhaust pipe is located above the side of the barrel and is inclined to the side of the feed pipe, the inside of the probe pipe is detachably connected with a detector, so that the water vapor generated by the heating in the barrel can be discharged through the exhaust pipe, the center of the exhaust pipe and the outer surface of the barrel are provided with an included angle a, the included angle a is between 105-135 degrees, the inclined exhaust pipe avoids the possibility of accidentally entering the welding powder raw material into the exhaust pipe, and the probe pipe is deeply in the barrel, so that the detector installed in the probe pipe is used to detect the temperature and humidity in the barrel, and the detector can be a temperature and humidity detector.

[0012] The beneficial effects of the present application are that: the sleeve pipe is communicated above the barrel, the material guide pipe is detachably connected in the sleeve pipe, the auger blade is movably connected in the material guide pipe, the auxiliary material pipe is communicated on the side of the material guide pipe, so that the auxiliary material is guided into the material guide pipe through the auxiliary material pipe and is automatically conveyed into the barrel through the rotation of the auger blade, the accuracy of the auxiliary material addition is effectively improved, the situation of too much or insufficient content caused by manually guiding the auxiliary material is avoided, the accuracy of the content of the welding powder auxiliary material is ensured, the effect of mixing the welding powder raw material by the spiral blade and the stirring blade is improved by the continuous guiding mode of the auxiliary material, the stirring time required by directly guiding the welding powder raw material in batches is avoided, the mixing efficiency of the welding powder is further improved by the lifting mixing of the spiral blade and the dispersion mixing of the stirring blade, and the processing time required by the welding powder mixing is reduced; the steam in the steam chamber on the inner surface of the barrel is used to heat and heat the inside of the barrel through the steam inlet, the dryness of the welding powder in the barrel is ensured, the moisture in the welding powder after heating is discharged through the exhaust pipe, the dryness of the welding powder is effectively improved, the situation of welding powder caking caused by the external humid environment is avoided, and the quality of the welding powder mixed for use is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0014] Figure 1 It is a whole structure schematic view of the welding powder raw material automatic mixing and proportioning device.

[0015] Figure 2 It is a structure view of the stirring blade in the welding powder raw material automatic mixing and proportioning device.

[0016] Figure 3 It is Figure 1A close-up view of the middle A. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present application are described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application can be more clearly defined.

[0018] As Figures 1 to 3 shown in a kind of welding powder raw material automatic mixing proportioning device, including cylinder 1, and the rotating shaft 3 of movably connected in the center of cylinder 1, and the steam chamber 4 connected in the inner surface of cylinder 1, the cylinder 1 lower intercommunication has discharge pipe 14, and the two sides of cylinder 1 are connected with the gas inlet 41 and the gas outlet 43 of the steam chamber 4 intercommunication, and the sleeve pipe 11 and the feed pipe 12 are communicated in the upper portion of cylinder 1, and the main motor 6 for driving rotating shaft 3 rotation is connected in the upper center of cylinder 1, the central ring of rotating shaft 3 is connected with helical blade 31, and the lower end of rotating shaft 3 is connected with stirring blade 5, the inside of sleeve pipe 11 is detachably connected with guide pipe 2, the lateral intercommunication of guide pipe 2 has auxiliary material pipe 23, and the central movable connection of guide pipe 2 has auger blade 21, and the upper portion of guide pipe 2 is connected with the auxiliary motor 7 for driving auger blade 21 rotation.

[0019] The lower end of guide pipe 2 is embedded in sleeve pipe 11, and the outside of guide pipe 2 is connected with insertion tube 22, the upper end of sleeve pipe 11 is connected with the insertion groove 111 of the lower end of insertion tube 22, so that the lower end of guide pipe 2 is erected in sleeve pipe 11 and is connected with cylinder 1, and the insertion tube 22 is fixed in the upper portion of sleeve pipe 11 by the clamping of the lower end of insertion tube 22 and insertion groove 111, so as to guide pipe 2 is fixedly installed in the central portion of sleeve pipe 11.

[0020] One end of auxiliary material pipe 23 is connected with guide pipe 2 and is located in the central portion of auger blade 21, and the other end of auxiliary material pipe 23 is connected with flange plate 231, so that auxiliary material can enter into guide pipe 2 through auxiliary material pipe 23, and the auxiliary material is accurately spiral conveyed through auger blade 21, and the flange plate 231 facilitates the producer to connect the external auxiliary material supply pipe, and facilitates the conveying of auxiliary material.

[0021] The central movable connection of the material guide pipe 2 is provided with a mandrel 211, the auxiliary motor 7 is in transmission connection with the mandrel 211, and the auger blade 21 is connected around the outer surface of the mandrel 211. A gap of 1mm-3mm is provided between the outer surface of the auger blade 21 and the inner surface of the material guide pipe 2, so that the mandrel 211 is driven to rotate by the auxiliary motor 7, and then the auger blade 21 is driven to convey the auxiliary material by the mandrel 211. The gap between the auger blade 21 and the material guide pipe 2 not only avoids the possibility of the auxiliary material falling directly through the gap into the cylinder 1, but also effectively prevents the auger blade 21 from being jammed during spiral conveying of the auxiliary material, ensuring smooth conveying of the auxiliary material.

[0022] The steam chamber 4 is connected with fins 44 on the side facing the rotating shaft 3. The inside of the steam chamber 4 is provided with a circulating pipe 42, one end of which is in communication with the air inlet 41, and the other end is in communication with the air outlet 43, so that high-temperature steam can flow in through the air inlet 41 and flow out through the air outlet 43, and at the same time, the fins 44 are heat-conducted through the circulating pipe 42, so as to heat the welding powder raw material in the cylinder 1, thereby avoiding the caking of the welding powder due to a humid environment. The thickness of the fins 44 is less than 3mm, and the number of fins 44 is between 3 and 6 and is evenly distributed in the inside of the cylinder 1.

[0023] The stirring blade 5 is provided with two or more blades and is evenly distributed on the outside of the rotating shaft 3. Each stirring blade 5 is provided with a dispersion hole 51 in the center, and the dispersion hole 51 is provided with two or more holes and is evenly distributed in the center of the stirring blade 5. The stirring blade 5 is connected with a scraping strip 52 on the outside, and an included angle b is provided between the stirring blade 5 and the shaft core of the rotating shaft 3, and the included angle b is between 10 degrees and 30 degrees. The stirring blade 5 can mix the welding powder raw material in the cylinder 1, and the dispersion hole 51 can increase the dispersion of the welding powder raw material, improve the mixing effect of the stirring blade 5, and the scraping strip 52 can scrape off the welding powder raw material attached to the surface of the cylinder 1, so as to facilitate the fullness of the welding powder mixing and the smoothness of the discharging.

[0024] The upper part of the feeding pipe 12 is detachably connected with a pipe cover 121, and the center of the discharging pipe 14 is connected with a ball valve 141, so that the main material of the welding powder can be introduced through the feeding pipe 12, and the feeding pipe 12 can be closed and sealed through the pipe cover 121, and the user can observe the inside of the cylinder 1 through the feeding pipe 12.

[0025] The outer surface of the barrel 1 is also provided with an exhaust pipe 13 and a probe pipe 15, the exhaust pipe 13 is located above the side of the barrel 1 and inclined to the side of the feed pipe 12, the inside of the probe pipe 15 is detachably connected with a detector 151, so that the water vapor generated by the heating in the inside of the barrel 1 can be discharged through the exhaust pipe 13, the center of the exhaust pipe 13 and the outer surface of the barrel 1 are provided with an included angle a, the included angle a is between 105-135 degrees, the inclined exhaust pipe 13 avoids the possibility of welding powder raw materials accidentally entering the exhaust pipe 13, and the probe pipe 15 is deeply in the inside of the barrel 1, so that the detector 151 installed in the probe pipe 15 is used to detect the temperature and humidity in the inside of the barrel 1, the detector 151 can be a temperature and humidity detector.

[0026] The welding powder raw material automatic mixing and proportioning device can automatically mix and stir the welding powder, wherein the welding powder main material is introduced into the barrel 1 through the feed pipe 12, the welding powder auxiliary material is introduced into the guide pipe 2 through the auxiliary material pipe 23, then the required starting time of the auxiliary motor 7 is controlled according to the content of the introduced welding powder main material, the rotation of the core shaft 211 is driven by the auxiliary motor 7, the rotation of the auger blade 21 is driven by the core shaft 211, so as to accurately deliver the welding powder auxiliary material; the main motor 6 drives the rotation of the spiral blade 31 and the stirring blade 5 through the rotating shaft 3, so that the spiral blade 31 drives the welding powder raw material to be lifted and mixed, and the stirring blade 5 drives the welding powder raw material to be stirred, so as to ensure the sufficiency of the welding powder mixing; at the same time, the steam enters the circulating pipe 42 in the steam chamber 4 through the air inlet 41, and the temperature is transmitted to the inside of the barrel 1 through the fins 44 connected to the outer surface of the steam chamber 4, so as to heat the welding powder in the barrel 1, so as to increase the temperature of the welding powder, reduce the moisture possibly contained in the welding powder, and lead the humid gas to be discharged through the exhaust pipe, at the same time, the steam is discharged through the air outlet 43 after passing through the circulating pipe 42; the detector 151 connected in the inside of the probe pipe 15 can monitor and detect the temperature and humidity of the welding powder in the inside of the barrel 1, after the welding powder is completely mixed, it can be discharged through the discharge pipe 14, and the producer can control the opening and closing of the discharge pipe 14 through the ball valve 141 connected to the center of the discharge pipe 14.

[0027] The rotating shaft 3 and the main motor 6 are transmission connected with a speed reducer 61, the auxiliary motor 7 is a servo motor, the rotating speed of the main motor 6 is adjusted through the speed reducer 61, so as to control the corresponding rotating speed and torque of the rotating shaft 3, and the setting of the auxiliary motor 7 is convenient for accurately controlling the rotation accuracy and angle of the auger blade 21, so as to ensure the accuracy of the content of the welding powder auxiliary material delivered by the auger blade 21.

[0028] The utility model discloses beneficial effect is: because the sleeve pipe is communicated on the upper portion of cylinder, and the material guide pipe is detachably connected in the sleeve pipe, and the auger blade is movably connected in the material guide pipe, the side of material guide pipe is communicated with the auxiliary material pipe, so as to make the auxiliary material through auxiliary material pipe and be introduced into the material guide pipe, and is automatically transported to the cylinder through the rotation of auger blade, effectively improves the accuracy of auxiliary material addition, avoids the introduction of auxiliary material between artificial and appears the situation of too much content or insufficient content, guarantees the accuracy of welding powder auxiliary material content addition, the sustainability of the mode of introduction of auxiliary material also improves the mixing effect of helical blade and stirring blade to welding powder raw material, avoids the required stirring length of directly batch introduction welding powder raw material, and the lifting mixing of helical blade and the dispersion mixing of stirring blade further improve the mixing efficiency of welding powder, reduce the processing time required for welding powder mixing, and the setting of the steam chamber in the inner surface of cylinder is convenient for the steam introduced through the gas inlet to heat the inside of cylinder, guarantees the dryness of welding powder in the inside of cylinder, and lets the moisture removed in the inside of welding powder after heating be discharged through the exhaust pipe, effectively improves the dryness of welding powder, avoids the caking of welding powder caused by the external humid environment, effectively improves the quality of welding powder mixed use.

[0029] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement without creative labor is thought, and should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope defined in the claims.

Claims

1. An automatic mixing and proportioning device for welding powder raw materials, characterized by: It includes a cylinder, a rotating shaft movably connected to the center of the cylinder, and a steam chamber connected to the inner surface of the cylinder, a discharge pipe is connected to the bottom of the cylinder, and both sides of the cylinder are connected to an air inlet and an air outlet connected to the steam chamber, a sleeve and a feed pipe are connected to the top of the cylinder, and a main motor for driving the rotating shaft to rotate is connected to the center of the top of the cylinder, a spiral blade is connected to the center of the rotating shaft, and a stirring blade is connected to the lower end of the rotating shaft, a material guide pipe is detachably connected to the inside of the sleeve, an auxiliary material pipe is connected to the side of the material guide pipe, an auger blade is movably connected to the center of the material guide pipe, and an auxiliary motor for driving the auger blade to rotate is connected to the top of the material guide pipe.

2. The automatic mixing and proportioning device for welding powder raw materials according to claim 1, characterized in that: The lower end of the material guide tube is embedded in the sleeve, and the outer side of the material guide tube is connected with an insert sleeve. The upper end of the sleeve is connected with an embedding groove that is mutually clamped with the lower end of the insert sleeve.

3. The automatic mixing and proportioning device for welding powder raw materials according to claim 2, characterized in that: One end of the auxiliary material pipe is connected with the material guide pipe and is located in the center of the auger blade, and the other end of the auxiliary material pipe is connected with a flange.

4. The automatic mixing and proportioning device for welding powder raw materials according to claim 3, characterized in that: The center of the material guide tube is movably connected to a core shaft, the auxiliary motor is transmission-connected to the core shaft, and the auger blade is connected around the outer surface of the core shaft, and a gap of 1mm-3mm is provided between the outer surface of the auger blade and the inner surface of the material guide tube.

5. The automatic mixing and proportioning device for welding powder raw materials according to claim 1, characterized in that: The steam chamber is connected to a fin on one side facing the rotating shaft. A circulation pipe is provided inside the steam chamber. One end of the circulation pipe is connected to the air inlet, and the other end of the circulation pipe is connected to the air outlet.

6. The automatic mixing and proportioning device for welding powder raw materials according to claim 1, characterized in that: There are more than two stirring blades and they are evenly distributed on the outside of the rotating shaft, and the center of each stirring blade is connected to a dispersion hole, and there are more than two dispersion holes and they are evenly distributed in the center of the stirring blade. The outside of the stirring blade is connected to a scraper, and an angle b is set between the stirring blade and the core of the rotating shaft.

7. The automatic mixing and proportioning device for welding powder raw materials according to claim 1, characterized in that: A pipe cover is detachably connected to the top of the feed pipe, and a ball valve is connected to the center of the discharge pipe.

8. The automatic mixing and proportioning device for welding powder raw materials according to any one of claims 1 to 7, characterized in that: An exhaust pipe and a probe are also provided on the outer surface of the cylinder. The exhaust pipe is located on the upper side of the cylinder and is inclined toward one side of the feed pipe. A detector is detachably connected to the inside of the probe.

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