Porosity control and monitoring device for additive

Abstract

The utility model discloses an additive porosity control and monitoring device, including press fit subassembly, monitor subassembly and control subassembly, press fit subassembly includes first moving mechanism, electrode wheel and base plate, electrode wheel is provided between first moving mechanism and base plate, first moving mechanism and electrode wheel are connected, electrode wheel and base plate are movably connected, monitor subassembly and control subassembly are connected with the base plate. Alloy powder is arranged on the base plate, the monitoring assembly comprises a second moving mechanism, a camera and a processing terminal, the camera is arranged on the second moving mechanism, the camera corresponds to the base plate in position and is electrically connected with the processing terminal, a control assembly is arranged on one side of the base plate, the first moving mechanism is controlled by the control assembly to drive the electrode wheel, and resistance seam welding additional materials are formed. The control assembly is used for controlling the second moving mechanism to drive the camera, the resistance seam welding additive is monitored in real time, collected images are transmitted to the processing terminal, and the processing terminal analyzes the real-time images through a deep learning algorithm, compares the porosity and judges whether the porosity meets the requirement or not, so that the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to additive manufacturing technical field especially relates to a kind of porosity control and monitoring device of additive. BACKGROUND

[0002] Resistance seam welding additive manufacturing technology is under the joint action of Joule heating effect and electrode pressure, alloy powder and alloy powder, alloy powder and substrate realize metallurgical bonding, while resistance seam welding will inevitably exist porosity, and porosity refers to the percentage of pore volume in bulk material and the total volume of material in natural state.Porosity will affect the density, strength, hardness and toughness of material, and the higher the porosity, the lower the density of material, and the lower the mechanical strength.

[0003] In the prior art, porosity is usually measured by metallographic method after the material is completely formed, and the measurement accuracy is not high.In addition, there is no molten pool real-time monitoring device in the resistance seam welding additive manufacturing process, so the condition of the component during the additive process cannot be judged. UTILITY MODEL CONTENT

[0004] In view of the above situation, it is necessary to provide a porosity control and monitoring device for additive in the resistance seam welding additive manufacturing process in the prior art.

[0005] A kind of porosity control and monitoring device for additive, including pressing assembly, monitoring component and control component, pressing assembly includes first mobile mechanism, electrode wheel and substrate, the electrode wheel is located between the first mobile mechanism and the substrate, the first mobile mechanism is connected with the electrode wheel, the first mobile mechanism is used to change the position of electrode wheel, the electrode wheel is movably connected with the substrate, alloy powder is arranged on the substrate, the electrode wheel and the substrate are used for resistance seam welding to the alloy powder, the monitoring component includes second mobile mechanism, camera and processing terminal, the camera is arranged on the second mobile mechanism, the second mobile mechanism is used to change the position of the camera, the second mobile mechanism corresponds with the position of the pressing assembly, the camera corresponds with the position of the substrate, the camera is electrically connected with the processing terminal, one side of the substrate is equipped with control component, the first mobile mechanism and the second mobile mechanism are electrically connected with the control component respectively.

[0006] The utility model has the advantages of:

[0007] The first moving mechanism is controlled by the control assembly to drive the electrode wheel, so that the electrode wheel and the base plate cooperate to resistance seam weld the alloy powder, thereby forming resistance seam welding additive, the second moving mechanism is controlled by the control assembly to drive the camera, the production process of the resistance seam welding additive is monitored in real time, and the collected images are transmitted to the processing terminal, the real-time images are analyzed by the processing terminal through a deep learning algorithm, the porosity is compared and it is judged whether the porosity meets the requirements, so as to determine whether to further process, thereby effectively reducing the porosity of the resistance seam welding additive, and improving the production efficiency.

[0008] Further, the electrode wheel and the base plate are respectively electrically connected with an external power supply.

[0009] Further, one side of the base plate away from the electrode wheel is concave to form a containing groove for containing the alloy powder.

[0010] Further, the first moving mechanism comprises a first motor, a first electric push rod, a base and a support, the support is arranged above the base plate, the first motor is arranged on one side of the support, a threaded rod penetrating through the support is arranged on the support, the first electric push rod connected with the base is arranged on the threaded rod, and the output end of the first electric push rod is connected with the electrode wheel.

[0011] Further, the second moving mechanism comprises a lifting unit and a sliding unit, the lifting unit is arranged on one side of the base plate, the sliding unit is arranged on the lifting unit, the lifting unit is used for changing the height of the sliding unit, and the camera is arranged on the sliding unit.

[0012] Further, the lifting unit comprises a lifting platform, a support part and a second electric push rod, the lifting platform is arranged on one side of the base plate, the lifting platform is arranged on the top of the support part, the sliding unit is arranged on the lifting platform, and the second electric push rod is fixedly arranged on one side of the support part.

[0013] Further, the sliding unit comprises a base, a second motor, a synchronous belt and a sliding block, the base is arranged on the lifting platform, a groove is concave on the base, the second motor is arranged on the base, the second motor is connected with the sliding block through the synchronous belt, the sliding block is provided with a convex part, the groove is matched with the convex part, and the camera is arranged on the sliding block.

[0014] Further, the camera corresponds to the position of the containing groove.

[0015] Further, the control assembly comprises a first controller and a second controller, the first controller is electrically connected with the first motor and the first electric push rod respectively, and the second controller is electrically connected with the second motor and the second electric push rod respectively. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure schematic view of the porosity monitoring and control device of the additive manufacturing of the utility model;

[0017] Fig. 2 It is a structure schematic view of the pressing assembly of the utility model;

[0018] Fig. 3 It is a structure schematic view of the monitoring assembly of the utility model.

[0019] In the figure: 1, pressing assembly; 11, first moving mechanism; 111, first motor; 112, first electric push rod; 113, support; 114, threaded rod; 115, base; 12, electrode wheel; 13, base plate; 131, containing groove; 2, monitoring assembly; 21, second moving mechanism; 211, lifting unit; 2111, lifting platform; 2112, support part; 2113, second electric push rod; 212, sliding unit; 2121, second motor; 2122, synchronous belt; 2123, sliding block; 2224, base; 22241, recess; 22, camera; 23, processing terminal; 3, control assembly; 31, first controller; 32, second controller; 4, alloy powder; 5, external power supply. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing the embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items. Also, the embodiments of the application, features between embodiments, and features of embodiments can be freely combined if they do not contradict each other.

[0023] An additive porosity control and monitoring device, as shown in the figure, comprises a pressing assembly 1, a monitoring assembly 2 and a control assembly 3. Figs. 1 to 3

[0024] Specifically, the pressing assembly 1 comprises a first moving mechanism 11, an electrode wheel 12 and a base plate 13, the electrode wheel 12 is arranged between the first moving mechanism 11 and the base plate 13, the first moving mechanism 11 comprises a first motor 111, a first electric push rod 112, a support 113 and a base 115, the support 113 is arranged above the base plate 13, the first motor 111 is arranged on one side of the support 113, a threaded rod 114 is arranged on the support 113, the first electric push rod 112 is arranged on the threaded rod 114 and connected with the base 115, the output end of the first electric push rod 112 is connected with the electrode wheel 12, the first moving mechanism 11 is used to change the position of the electrode wheel 12, the electrode wheel 12 is rollingly connected with the base plate 13, the back of the base plate 13 is concave to form a containing groove 131, the containing groove 131 is used to contain the alloy powder 4, the electrode wheel 12 and the base plate 13 are used to resistance seam weld the alloy powder 4, and the electrode wheel 12 and the base plate 13 are respectively electrically connected with an external power source 5. The first controller 31 controls the first electric push rod 112 to drive the electrode wheel 12, the electrode wheel 12 approaches the alloy powder 4 in the vertical direction and contacts with the alloy powder 4, then the first controller 31 controls the first motor 111, the first motor 111 drives the threaded rod 114 to drive the base 115, so that the electrode wheel 12 moves in the horizontal direction, the electrode wheel 12 and the base plate 13 are respectively connected with the external power source 5, the electrode wheel 12 and the base plate 13 cooperate to resistance seam weld the alloy powder 4 in the containing groove 131, the melted alloy powder 4 forms a molten pool, and the resistance seam welding additive is formed after solidification.

[0025] ​Specifically, the monitoring assembly 2 comprises a second moving mechanism 21, a camera 22 and a processing terminal 23, the second moving mechanism 21 corresponds to the position of the pressing assembly 1, the second moving mechanism 21 comprises a lifting unit 211 and a sliding unit 212, the lifting unit 211 comprises a lifting platform 2111, a support part 2112 and a second electric push rod 2113, the lifting platform 2111 is arranged on one side of the base plate 13, the lifting platform 2111 is arranged on the top of the support part 2112, the second electric push rod 2113 is fixedly arranged on one side of the support part 2112, and the second electric push rod 2113 drives the support part 2112 to lift. The sliding unit 212 is arranged on the lifting unit 211, and the lifting unit 211 is used for changing the height of the sliding unit 212. The sliding unit 212 comprises a second motor 2121, a synchronous belt 2122, a sliding block 2123 and a base 2224, the base 2224 is arranged on the lifting platform 2211, a groove 22241 is formed in the base 2224, the second motor 2121 is arranged on the base, the second motor 2121 is connected with the sliding block 2123 through the synchronous belt 2122, the sliding block 2123 is provided with a protruding part (not shown), the groove 22241 is matched with the protruding part, the camera 22 is arranged on the sliding block 2123, and the camera 22 corresponds to the position of the accommodating groove 131. The second moving mechanism 21 is used for changing the position of the camera 22, and the camera 22 is electrically connected with the processing terminal 23. The second electric push rod 2113 is controlled by the second controller 32 to drive the support part 2112 to move, then drive the lifting platform 2111 to lift, the height of the sliding unit 212 on the lifting platform 2111 is changed, the second motor 2121 is controlled by the second controller 32 to drive the synchronous belt 2122 to drive the sliding block 2123, then the sliding block 2123 slides along the groove 22241, so that the position of the sliding block 2123 is changed, so that the camera 22 moves synchronously with the electrode wheel 12 in the horizontal direction, the camera 22 monitors the molten pool in real time, the camera 22 transmits the collected image to the processing terminal 23, the processing terminal 23 analyzes the real-time image through a deep learning algorithm, compares the porosity and judges whether the porosity meets the requirements, and thus determines whether to further process.

[0026] Specifically, one side of the base plate 13 is provided with a control assembly 3, the control assembly 3 comprises a first controller 31 and a second controller 32, the first controller 31 is electrically connected with the first motor 111 and the first electric push rod 112 respectively, and the second controller 32 is electrically connected with the second motor 2121 and the second electric push rod 2113 respectively.

[0027] The utility model discloses, through control assembly 3 control first mobile mechanism 11 transmission electrode wheel 12, to make electrode wheel 12 and base plate 13 cooperation to carry out resistance seam welding to alloy powder 4 to form resistance seam welding additive, utilize control assembly 3 control second mobile mechanism 21 transmission camera 22, real -time monitoring resistance seam welding additive's production process, and the image transmission to processing terminal 23 that collects, and processing terminal 23 is compared to the porosity through deep learning algorithm analysis real -time image, judges whether the porosity meets the requirement, and this decides whether further processing, effectively reduces the porosity of resistance seam welding additive, to improve production efficiency.

[0028] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above-described embodiments only express the implementation of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of variations and improvements can be made, which are within the scope of the present application. Therefore, the scope of protection of the present application should be subject to the appended claims.

Claims

1. An apparatus for additive porosity control and monitoring, characterized by: The application relates to a resistance seam welding device, which comprises a pressing assembly, a monitoring assembly and a control assembly, the pressing assembly comprises a first moving mechanism, an electrode wheel and a base plate, the electrode wheel is arranged between the first moving mechanism and the base plate, the first moving mechanism is connected with the electrode wheel and is used for changing the position of the electrode wheel, the electrode wheel is movably connected with the base plate, the base plate is provided with alloy powder, and the electrode wheel and the base plate are used for resistance seam welding of the alloy powder, the monitoring assembly comprises a second moving mechanism, a camera and a processing terminal, the camera is arranged on the second moving mechanism, the second moving mechanism is used for changing the position of the camera, the second moving mechanism corresponds to the position of the pressing assembly, the camera corresponds to the position of the base plate, the camera is electrically connected with the processing terminal, one side of the base plate is provided with the control assembly, and the first moving mechanism and the second moving mechanism are respectively electrically connected with the control assembly.

2. The apparatus for additive porosity control and monitoring of claim 1, wherein: The electrode wheel and the base plate are respectively electrically connected with an external power supply.

3. The apparatus for additive porosity control and monitoring of claim 1, wherein: One side of the base plate away from the electrode wheel is concave to form a containing groove, and the containing groove is used for containing the alloy powder.

4. The apparatus for additive porosity control and monitoring of claim 3, wherein: The first moving mechanism comprises a first motor, a first electric push rod, a base and a support, the support is arranged above the base plate, the first motor is arranged on one side of the support, a threaded rod penetrating through the support is arranged on the support, the first electric push rod is arranged on the threaded rod and connected with the base, and an output end of the first electric push rod is connected with the electrode wheel.

5. The apparatus for additive porosity control and monitoring of claim 4, wherein: The second moving mechanism comprises a lifting unit and a sliding unit, the lifting unit is arranged on one side of the base plate, the sliding unit is arranged on the lifting unit, the lifting unit is used for changing the height of the sliding unit, and the camera is arranged on the sliding unit and used for changing the position of the camera.

6. The apparatus for additive porosity control and monitoring of claim 5, wherein: The lifting unit comprises a lifting platform, a supporting part and a second electric push rod, the lifting platform is arranged on one side of the base plate, the lifting platform is arranged on the top of the supporting part, the sliding unit is arranged on the lifting platform, and the second electric push rod is fixedly arranged on one side of the supporting part and drives the supporting part to lift.

7. The apparatus for additive porosity control and monitoring of claim 6, wherein: The sliding unit comprises a base, a second motor, a synchronous belt and a sliding block, the base is arranged on the lifting platform, a groove is concave on the base, the second motor is arranged on the base, the second motor is connected with the sliding block through the synchronous belt, the sliding block is provided with a convex part, the groove is matched with the convex part, and the camera is arranged on the sliding block.

8. The apparatus for additive porosity control and monitoring of claim 5, wherein: The camera corresponds to the position of the containing groove.

9. The apparatus for additive porosity control and monitoring of claim 7, wherein: The control assembly comprises a first controller and a second controller, the first controller is electrically connected with the first motor and the first electric push rod respectively, and the second controller is electrically connected with the second motor and the second electric push rod respectively.

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