CN108296659B - Electric smelting vibration material disk equipment - Google Patents
Electric smelting vibration material disk equipment Download PDFInfo
- Publication number
- CN108296659B CN108296659B CN201711454081.2A CN201711454081A CN108296659B CN 108296659 B CN108296659 B CN 108296659B CN 201711454081 A CN201711454081 A CN 201711454081A CN 108296659 B CN108296659 B CN 108296659B
- Authority
- CN
- China
- Prior art keywords
- printing
- base body
- auxiliary material
- driving mechanism
- distance detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention discloses an electric melting additive manufacturing device which comprises a rotating frame, a plurality of printing gun frames and a driving mechanism, wherein a base body for electric melting forming is arranged on the rotating frame and is driven to rotate by the rotating frame; the printing gun frame comprises an integrated frame, a printing gun head and a distance detection assembly, the printing gun head and the distance detection assembly are installed on the integrated frame, a printing wire for electric melting forming is conveyed to the surface of a base body through the printing gun head, the printing wire and the base body are respectively connected with two poles of a power supply, and the distance detection assembly is used for detecting the distance between the printing wire and the surface of the base body, so that the distance between the printing gun head and the surface of a workpiece is obtained; the driving mechanism is used for driving the printing gun rack to move. The electric melting additive equipment is suitable for electric melting forming of large-sized workpieces.
Description
Technical Field
The invention relates to the field of electric melting additive manufacturing, in particular to electric melting additive manufacturing equipment.
Background
In order to improve various performances of key components (such as pressure vessels, high-low pressure rotors or voltage stabilizers and the like in nuclear power and petrochemical industries) in the heavy equipment industry, an electric melting additive manufacturing method is developed in the prior art, the whole workpiece is processed by an electric melting welding technology, and according to experimental research, the workpiece processed by the electric melting forming method is good in chemical performance and mechanical performance.
However, workpieces manufactured by electrofusion additive manufacturing are generally large and heavy, for example, the outer diameter of a pressure vessel is 4 meters, and the weight is as high as 40 tons, while welding wires are stacked on the surfaces of the workpieces in the welding machine of the prior art, the welding machine only connects a small amount of welding flux between the workpieces, or stacks a very thin layer on the surfaces of the workpieces, the processing can be realized by only a single welding head, and only one of the workpiece and the welding head moves during the processing, even if the workpiece and the welding head move, the electrofusion forming processing of the large workpiece is difficult to meet.
In addition, the electrofusion additive is stacked layer by layer through a printing wire, in order to ensure the performance of the stacked workpieces, the printing layer thickness needs to be limited in a small range, the printing speed needs to be limited in a slow range, and the printing of one workpiece takes several days or even several months. Therefore, the precision of printing a large workpiece needs to be high, if the precision of printing each layer is not high enough, the precision deviation is easy to occur after stacking, so that the performance of the workpiece cannot meet the requirement, and the precision of electric melting additive machining is an important research direction.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric melting additive device suitable for electric melting forming processing of large-sized workpieces.
The technical problem to be solved by the invention is to provide the electric melting additive equipment, so that the precision of electric melting additive machining is improved.
In order to solve the technical problem, the invention provides an electric melting additive manufacturing device which comprises a rotating frame, a plurality of printing gun frames and a driving mechanism, wherein a base body for electric melting forming is arranged on the rotating frame and is driven to rotate by the rotating frame;
the printing gun frame comprises an integrated frame, a printing gun head and a distance detection assembly, the printing gun head and the distance detection assembly are installed on the integrated frame, a printing wire for electric melting forming is sent to the surface of a base body through the printing gun head, the printing wire and the base body are respectively connected with two poles of a power supply, and the distance detection assembly is used for detecting the distance between the distance detection assembly and the surface of the base body, so that the distance between the printing gun head and the surface of a workpiece is obtained;
the driving mechanism is used for driving the printing gun rack to move.
As an improvement of the scheme, the driving mechanism comprises a master control driving mechanism and a fine adjustment driving mechanism, the master control driving mechanism drives a plurality of printing gun frames to move simultaneously, the fine adjustment driving mechanism and the printing gun frames are arranged in a one-to-one correspondence mode, and the fine adjustment driving mechanism drives the corresponding printing gun frames to move.
As an improvement of the scheme, the master control driving mechanism comprises a lifting up-down moving beam and a left-right moving beam arranged on the up-down moving beam, the left-right moving beam can move in a reciprocating manner along the length direction of a workpiece, and a plurality of printing gun frames are arranged on the left-right moving beam;
and/or, fine setting actuating mechanism is including fine setting subassembly about, fine setting subassembly and fine setting subassembly around, fine setting subassembly is used for driving the printing stock and goes up and down about, fine setting subassembly is used for driving the printing stock and along the length direction reciprocating motion of work piece about, fine setting subassembly is used for driving the radial reciprocating motion of printing stock along the work piece around.
As an improvement of the scheme, the multifunctional printing gun further comprises a fixed platform and a moving platform which are arranged at intervals, a printing area is arranged between the fixed platform and the moving platform, the rotating frame is arranged in the printing area, the driving mechanism and the printing gun frame are arranged on the fixed platform, and the moving platform is provided with an operation background.
As an improvement of the above scheme, the base body is connected with a power supply through a conductive device, and the conductive device comprises two locking plates, a plurality of conductive blocks and a plurality of pressing bars;
the conductive blocks are arranged between the two locking plates in a fan shape matched with the base body, two ends of each conductive block are detachably mounted on the corresponding locking plates, and the pressing strips are sequentially locked on the upper surfaces of the conductive blocks along the circumferential direction of the base body;
when the conductive block works, the lower surface of the conductive block is supported on the surface of the base body.
As an improvement of the scheme, two conductive devices are arranged and are respectively supported at two ends of the base body, and two ends of each conductive device are tensioned downwards through locking pieces so that the conductive devices are tightly attached to the base body.
As an improvement of the scheme, the printing gun head is provided with a guide through hole and an auxiliary material circulation cavity, the printing wire is installed in the guide through hole and extends out of the lower end of the guide through hole, and the auxiliary material for electric melting forming flows to the surface of the base body from the lower end of the auxiliary material circulation cavity.
As the improvement of above-mentioned scheme, print the stack and still include the auxiliary material and retrieve the mechanism, the auxiliary material is retrieved the mechanism and is installed on integrated frame, the auxiliary material is retrieved the mechanism and is included negative pressure recovery pipe and screening storehouse, negative pressure recovery pipe is used for adsorbing the unnecessary auxiliary material in base member surface, screening storehouse is used for rejecting unqualified auxiliary material and carries qualified auxiliary material to auxiliary material circulation cavity.
As the improvement of above-mentioned scheme, the auxiliary material is retrieved the mechanism and is still included first control assembly and second control assembly, the screening storehouse is including the screening cavity that from top to bottom sets gradually, retrieves cavity and main cavity, the screening cavity is retrieved the auxiliary material and is rejected unqualified auxiliary material through negative pressure recovery tube, it is used for keeping in qualified auxiliary material to retrieve the cavity, main cavity and auxiliary material circulation cavity intercommunication, first control assembly is used for controlling the screening cavity and retrieves the cavity intercommunication or seal, second control assembly is used for controlling and retrieves cavity and main cavity intercommunication or seal.
As an improvement of the scheme, the printing gun rack further comprises a connecting rod group which is arranged on the integrated rack in a lifting mode, the connecting rod group is arranged below the distance detection assembly, the lower end of the connecting rod group is attached to the surface of the base body, the distance detection assembly is used for detecting the distance between the distance detection assembly and the connecting rod group, and therefore the distance between the distance detection assembly and the surface of the base body is obtained.
The embodiment of the invention has the following beneficial effects:
1. the printing gun rack is driven to rotate by the rotating rack and move by the driving mechanism. When printing, the driving mechanism drives the printing gun frame to horizontally reciprocate, so that the printing track of the printing gun head is spiral. The helical trajectory may improve the uniformity of printing.
2. According to the invention, the printing gun head and the distance detection assembly are arranged on the same integrated frame, and during electric melting forming processing, reciprocating movement of the printing gun head and the distance detection assembly can be realized only by driving the integrated frame to reciprocate, namely, the distance detection assembly and the printing gun head move simultaneously, so that the distance measured by the distance detection assembly is followed in real time, and the accuracy of electric melting forming processing can be improved. In addition, when the printing gun head and the distance detection assembly are integrated together, the simplicity of the whole structure can be improved.
3. According to the invention, the distance between the printing gun head and the surface of the workpiece is detected by the distance detection assembly, so that the distance between the printing gun head and the surface of the workpiece is obtained, and the height of the printing gun head can be controlled according to the distance, thereby ensuring that the printed layer thickness of the printing gun head can be uniform. When the distance detection assembly and the printing gun head are integrated together, the distance detection assembly detects the distance between the printing gun head and the surface of a workpiece in real time, so that the detection precision of the distance detection assembly is improved.
4. The position of the printing gun rack is controlled by the driving mechanism, before printing, the printing gun rack is far away from the base body, when printing is needed, the whole printing gun rack is driven to move to a proper initial position by the master control driving mechanism, and then the position is accurately adjusted by finely adjusting the driving mechanism. When printing, the printing gun rack is driven to reciprocate along the length direction of the workpiece through the master control driving mechanism, so that the workpieces are spirally stacked. Meanwhile, the height of the printing gun frame is controlled in real time by the fine adjustment mechanism according to the detection result of the distance detection assembly, so that the distance between the printing gun head and the surface of the base body is in a reasonable range.
Drawings
Fig. 1 is a schematic structural view of an electrofusion additive manufacturing apparatus of the present invention;
fig. 2 is a schematic layout of an electrofusion additive manufacturing apparatus according to the present invention;
FIG. 3 is a schematic view of the construction of the print gun carriage and the left and right moving beams of the present invention;
FIG. 4 is a schematic view of the construction of the printing gun rest of the present invention;
FIG. 5 is a schematic view of the structure of a print gun head, a distance sensing assembly and a connecting rod assembly according to the present invention;
figure 6 is a cross-sectional view of a print gun head according to the invention;
FIG. 7 is a schematic structural view of an auxiliary material recovery mechanism according to the present invention;
FIG. 8 is a schematic view of the construction of the conductive assembly of the present invention;
FIG. 9 is a schematic view of a partial structure of the master control drive mechanism of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Referring to fig. 1 and 2, the invention discloses an electric melting additive manufacturing device, which comprises a rotating frame 1, a plurality of printing gun frames 2 and a driving mechanism 3. The base body for electrofusion molding is mounted on the rotating frame 1 and is driven to rotate by the rotating frame 1. In particular, the rotating frame 1 comprises a frame body and a rotation driving mechanism for driving the base body to rotate, and the base body is driven to rotate by the rotation driving mechanism during operation, which is not described in detail herein.
Referring to fig. 2, because the electric melting additive manufacturing equipment of the present invention is generally used for processing large-sized workpieces, in order to facilitate manual operation, the present invention reasonably arranges each component by the fixed platform 4a and the moving platform 4b which are arranged at intervals, specifically, a printing area 4c is arranged between the fixed platform 4a and the moving platform 4b, the rotating frame 1 is arranged in the printing area 4c, the driving mechanism 3 and the printing gun rack 2 are arranged on the fixed platform 4a, and the moving platform 4b is provided with an operation background. Wherein fixed platform 4a fixed mounting is subaerial, moving platform 4b can install subaerial reciprocating motion, when needs installation base member, can remove moving platform 4b to the direction of keeping away from fixed platform 4a, when needing to print the base member, moves moving platform 4b to fixed platform 4a direction, and the workman of being convenient for prints to the base member and carries out real time monitoring and corresponding maintenance operation etc.. In addition, the operation background can be selected from a computer, and is arranged on the mobile platform 4b, so that the printing parameters can be conveniently set by workers, the monitoring can be conveniently carried out through the operation background, the work on the fixed platform 4a cannot be influenced, and the work safety of the workers is improved.
Referring to fig. 3 to 8, the print gun holder 2 includes an integrated holder 21, a print gun head 22 and a distance detection assembly 23, the print gun head 22 and the distance detection assembly 23 are mounted on the integrated holder 21, and the details of the components are described below.
The printing wire for electrofusion forming is fed from the head 22 to the surface of the substrate, and the continuous feeding of the printing wire is generally carried out by the wire feeder 5, the printing wire and the substrate being connected to two poles of a power supply respectively. The printing wire is connected with the positive electrode or the negative electrode of the power supply through the printing gun head 22, specifically, the printing gun head 22 may be provided with a contact nozzle 220, the contact nozzle 220 is connected with the positive electrode or the negative electrode of the power supply, the printing wire is in contact with the contact nozzle 220, so that the printing wire is connected with the positive electrode or the negative electrode of the power supply, and in addition, the substrate is connected with the other electrode of the power supply through the conducting device 6.
Referring to fig. 6, as a preferred embodiment of the print gun head 22, the print gun head 22 is provided with a guide through hole 22a and an auxiliary material flowing chamber 22b, the printing wire is installed in the guide through hole 22a and extends out of the lower end of the guide through hole 22a, and the auxiliary material for electrofusion molding flows to the surface of the substrate from the lower end of the auxiliary material flowing chamber 22 b. In the invention, the guide through hole 22a and the auxiliary material circulation chamber 22b for installing the printing wire are integrated on the printing gun head 22, the structure is simple, and the integration purpose is more favorably realized. The auxiliary materials in the prior art are generally guided to the surface of the substrate by additionally arranging an independent guide pipe, the structure is complex, and the guide position is not accurate.
In addition, it is preferable that the auxiliary material flowing chamber 22b is a ring-shaped chamber which is provided around the guide through hole 22 a. When adopting this structure, can save the space of printing rifle head 22, and the auxiliary material that auxiliary material circulation cavity 22b flows sets up the round around printing the silk, so the auxiliary material can seal printing the silk totally, can guarantee to print the silk and be in totally closed state. Of course, the present invention may be configured such that the guide through-hole 22a and the auxiliary material flow-through chamber 22b are formed as two passages in parallel.
As a preferable scheme of the print gun head 22, the print gun head 22 includes a protection tube 221 and a sleeve 222 sleeved outside the protection tube 22121, the protection tube 221 is provided with a guide through hole 22a, a gap between the sleeve 222 and the protection tube 221 is an auxiliary material circulation chamber 22b, and the sleeve 222 is provided with a feeding portion 223 communicated with the auxiliary material circulation chamber 22 b. The lower end of the protection tube 221 is provided with a contact tip 220, and the printing filament extends out of the lower end of the contact tip 220 and is electrically conducted through the contact tip 220. According to the invention, the sleeve 222 is sleeved outside the protection tube 221, the auxiliary material is guided through the gap between the sleeve 222 and the protection tube 221, when the printing gun works, the printing wire penetrates through the guide through hole 22a of the protection tube 221 and then extends out of the lower end of the guide through hole 22a, the auxiliary material flows into the gap between the sleeve 222 and the protection tube 221 from the feeding part 223 and then flows downwards to the surface of a workpiece from the gap, and therefore, compared with the prior art that two mutually independent mechanisms are adopted to guide the printing wire and the auxiliary material, the printing gun head 22 disclosed by the invention is compact in structure and convenient to install.
The distance detection assembly 23 is used for detecting the distance between the printing gun head and the surface of the base body, so that the distance between the printing gun head and the surface of the workpiece is obtained. The control unit controls the fine adjustment driving mechanism in the driving mechanism to move according to the distance so as to enable the integration frame 21 to be at the normal height.
According to the invention, the distance between the printing gun head 22 and the surface of the base body is detected by the distance detection assembly 23, and the printing gun head 22 and the distance detection assembly 23 are both arranged on the integration frame 21, so that the distance between the printing gun head 22 and the surface of the base body can be obtained according to the detection result of the distance detection assembly 23, the distance between the printing gun head 22 and the surface of the base body is compared with a set value, and whether the position of the printing gun head 22 is in a normal range or not is judged, and if not, an instruction is sent by the control unit to control the integration frame 21 to be lifted or lowered. The control unit may control the fine adjustment driving mechanism described below to operate, so as to realize the overall lifting of the print gun rack, and move the print gun head 22 to a suitable height.
It should be noted that the distance detecting assembly 23 generally detects the distance by emitting light, for example, an infrared distance meter, and the infrared light emitted by the infrared distance meter is emitted to the surface of the substrate and reflected when reaching the surface of the substrate, so as to detect the distance between the print gun head 22 and the surface of the substrate.
In order to further improve the processing precision of the electric melting additive, the printing gun rack 2 further comprises a connecting rod group 24 which is arranged on the integrated rack 21 in a lifting mode, the connecting rod group 24 is arranged below the distance detection component 23, the lower end of the connecting rod group 24 is tightly attached to the surface of the base body, and the distance detection component 23 is used for detecting the distance between the connecting rod group 24 and the distance detection component 23, so that the distance between the distance detection component 23 and the surface of the base body is obtained. According to the invention, the connecting rod group 24 is arranged between the distance detection assembly 23 and the surface of the base body as the middle distance measuring part, the distance detection assembly 23 detects the distance between the distance detection assembly 23 and the connecting rod group 24, and compared with the method for directly detecting the distance of the surface of the base body, the problem of failure does not occur when the distance detection assembly 23 detects the distance, so that the detection precision of the distance detection assembly 23 is improved.
As a preferable scheme of the connecting rod set 24, the connecting rod set 24 includes an elastic resetting member 241, a vertical rod 242 and a caster, the caster is installed at the lower end of the vertical rod 242, and the caster is always in a close contact state with the surface of the measured substrate through the driving of the elastic resetting member 241. According to the invention, the caster wheels are arranged to be in contact with the surface of the base body, so that smooth contact between the connecting rod group 24 and the surface of the base body can be improved, and damage to the surface of the base body can be reduced.
In addition, it should be noted that, unevenness may occur on the surface of the base body in contact with the caster, and at this time, the caster is prone to be jammed, and to solve this problem, the caster includes a connecting frame 243 mounted at the lower end of the vertical rod 242 and a roller 244 mounted on the connecting frame 243, the connecting frame 243 is rotatable with respect to the center line of the vertical rod 242, the roller 244 is rotatable with respect to the center line thereof, and the center line of the roller 244 is perpendicular to the center line of the vertical rod 242 and is in a different plane. At this moment, the truckle can be rotatory around self central line, can realize that gyro wheel 244 rolls on the base member surface, simultaneously, the truckle is whole can also be rotatory around vertical pole 242, and both rotation center lines are not at the coplanar, even base member surface unevenness, the truckle also can solve the dead problem of card through the regulation of two directions.
Referring to fig. 7, the printing gun rack 2 further comprises an auxiliary material recycling mechanism, the auxiliary material recycling mechanism is installed on the integrated rack 21 and comprises a negative pressure recycling pipe 25 and a screening bin 26, the negative pressure recycling pipe 25 is used for adsorbing redundant auxiliary materials on the surface of the base body, and the screening bin 26 is used for removing unqualified auxiliary materials and conveying the qualified auxiliary materials to an auxiliary material circulation chamber. According to the auxiliary material recycling device, the auxiliary material recycling mechanism is arranged to recycle the redundant auxiliary materials on the surface of the base body, unqualified auxiliary materials are removed, and the qualified auxiliary materials are introduced into the auxiliary material circulation chamber to be recycled, so that the auxiliary materials are recycled, and the utilization rate of the auxiliary materials is improved. Of course, the electric melting additive manufacturing equipment of the present invention may also directly set an auxiliary material recycling mechanism on the fixed platform 4a, at this time, a longer pipeline needs to be set to recycle the excess auxiliary material, and the problem of wire winding is likely to occur.
It is specific, the auxiliary material is retrieved the mechanism and is still included first control assembly 27 and second control assembly 28, screening storehouse 26 is including the screening cavity 261, recovery cavity 262 and the main cavity 263 that set gradually from top to bottom, screening cavity 261 retrieves the auxiliary material and rejects unqualified auxiliary material through negative pressure recovery pipe 25, it is used for the qualified auxiliary material of temporary storage to retrieve cavity 262, main cavity 263 and auxiliary material circulation cavity 22b intercommunication, first control assembly 27 is used for controlling screening cavity 261 and retrieves cavity 262 intercommunication or seals, second control assembly 28 is used for controlling and retrieves cavity 262 and main cavity 263 intercommunication or seals.
When the auxiliary material recycling mechanism is adopted, the control states of the first control assembly 27 and the second control assembly 28 are opposite, namely when the screening chamber 261 and the recycling chamber 262 are communicated, the recycling chamber 262 and the main chamber 263 are closed, and when the screening chamber 261 and the recycling chamber 262 are closed, the recycling chamber 262 and the main chamber 263 are communicated. When screening cavity 261 and recovery cavity 262 communicate, the qualified auxiliary material in the screening cavity 261 can be arranged to retrieving in the cavity 262, and this qualified auxiliary material can exist temporarily in retrieving the cavity 262, when retrieving cavity 262 and main cavity 263 intercommunication, the auxiliary material of keeping in retrieving the cavity 262 can be arranged to in the main cavity 263 to obtain the utilization once more with qualified auxiliary material. Wherein, main cavity 263 and auxiliary material storeroom intercommunication, the auxiliary material storeroom is with required most auxiliary materials to lead to in the main cavity 263.
In order to facilitate screening, the auxiliary material recovery mechanism further comprises a negative pressure generator and a waste bin, the waste bin is communicated with the screening chamber 261, the negative pressure generator drives the airflow in the screening chamber 261 to flow into the waste bin, and therefore the auxiliary material with the weight lower than a certain value is blown to the waste bin. The auxiliary material removing device removes unqualified auxiliary materials through weight, can be realized only through airflow with proper wind power, and is simple in structure. In addition, the invention can also screen qualified auxiliary materials by vibration or volume.
It should be noted that, in the invention, the printing gun head 22, the distance detection component 23 and the auxiliary material recovery mechanism are integrated on the same integrated frame 21, the printing wires and the auxiliary materials are conveyed to the surface of the workpiece through the printing gun head 22, the redundant auxiliary materials on the surface of the workpiece are recovered through the auxiliary material recovery mechanism, and the distance between the printing gun head 22 and the surface of the workpiece is obtained through the distance detection component 23, so that the height of the printing gun head 22 is controlled, and the printed layer thickness of the printing gun head 22 can be uniform.
As the preferable arrangement of the print gun head 22, the distance detection assembly 23 and the auxiliary material recovery mechanism, the negative pressure recovery pipe 25, the print gun head 22 and the distance detection assembly 23 are sequentially arranged along the same radial direction of the substrate surface. Generally, the height of the printing gun frame 2 is controlled by a control mechanism according to the structure measured by the distance detection assembly 23, then the printing gun head 22 starts to work, and finally the auxiliary materials are recovered, so that the negative pressure recovery pipe 25, the printing gun head 22 and the distance detection assembly 23 are sequentially arranged along the same radial direction of the surface of the workpiece.
Referring to fig. 8, as a preferred embodiment of the conductive device 6, the conductive device 6 is supported on the surface of the substrate, and both ends of the conductive device 6 are pulled downward by a locking member (not shown in the figure) to tightly attach the conductive device 6 to the substrate. In addition, the conducting device 6 is preferably provided with two conducting devices 6, the two conducting devices 6 are respectively supported at two ends of the base body, and two ends of the conducting device 6 are tensioned downwards through locking pieces so that the conducting device 6 is tightly attached to the base body. It should be noted that the base body of the present invention is always in a rotating state during operation, in order to ensure that the base body is always in an energized state, the present invention applies a downward pulling force to the conductive device 6 through the locking member, and the conductive device 6 is always in a close state with the base body under the action of the downward pulling force, so that not only can the conductive device 6 be always in a contact state with the base body, but also the present invention can play a role in stabilizing the base body, thereby preventing the base body from shifting during printing, and further ensuring the stable operation of the base body.
Further, in order to improve the stability of the conductive device 6 when contacting the substrate, the conductive device 6 according to the present invention preferably includes two locking plates 61, a plurality of conductive blocks 62 and a plurality of pressing strips 63, wherein the plurality of conductive blocks 62 are arranged between the two locking plates 61 in a fan shape adapted to the substrate, two ends of each conductive block 62 are detachably mounted on the corresponding locking plates 61, and the pressing strips 63 are sequentially locked on the upper surfaces of the conductive blocks 62 along the circumferential direction of the substrate. In operation, the lower surface of the conductive block 62 is supported on the surface of the substrate. Wherein one end of the locker is locked to the locking hole 60 of the locking plate 61.
When the conductive device 6 is adopted, the following advantages are achieved:
1. according to the conductive device 6, the plurality of conductive blocks 62 are in contact with the base body, so that the contact area between the base body and the conductive blocks 62 is increased, and even if a certain conductive block 62 and the base body are disconnected, the connection between other conductive blocks 62 and the base body cannot be influenced, so that the continuity and stability of the connection between the conductive blocks 62 and the base body are improved, namely the continuity and stability of the electrification of the base body are improved, the power failure phenomenon of the base body in the processing process is prevented, and the electrification quantity of the base body can be improved through the contact between the plurality of conductive blocks 62 and the base body, so that the conductive device is particularly suitable for processing large-sized workpieces through electric melting;
2. according to the invention, the conductive blocks 62 are arranged into a fan shape matched with the base body, and when the device works, the lower surfaces of the conductive blocks 62 are supported on the surface of the base body, namely, a certain limiting effect can be formed on the base body through the conductive device 6, and the limiting effect is optimal due to the fact that the conductive blocks 62 are arranged and matched with the base body;
3. the conductive blocks 62 are connected together through the pressing block, and when substrates with different diameters are adopted, only the locking plates 61 with different sizes need to be replaced, namely, the conductive device 6 can be suitable for the substrates with different diameters, so that the applicability of the conductive device 6 is improved.
In addition, in the invention, it is preferable that each conductive block 62 is connected with a power supply, the pressing strip 63 is a conductive pressing strip 63, and when the pressing strip 63 can conduct electricity, the conductive blocks 62 can be communicated through the pressing strips, so that the conductive devices 6 are integrally connected together, and the conductivity of the conductive devices 6 is further improved.
The printing gun rack is driven to move by the driving mechanism, and particularly, the driving mechanism drives the printing gun rack to reciprocate left and right along the length direction of a workpiece, move back and forth along the horizontal radial direction of the workpiece and reciprocate up and down. The driving mechanism 3 comprises a master control driving mechanism and a fine adjustment driving mechanism, the master control driving mechanism drives a plurality of printing gun frames to move simultaneously, the fine adjustment driving mechanism and the printing gun frames are arranged in a one-to-one correspondence mode, and the fine adjustment driving mechanism drives the corresponding printing gun frames to move.
Referring to fig. 9, the general control mechanism includes a liftable up-down moving beam 32 and a left-right moving beam 31 mounted on the up-down moving beam 32, the left-right moving beam 31 can reciprocate along the length direction of the workpiece, and a plurality of print gun frames are mounted on the left-right moving beam 31.
The fine setting actuating mechanism includes fine setting subassembly about, fine setting subassembly and fine setting subassembly around, fine setting subassembly about is used for driving the printing stock and goes up and down, fine setting subassembly is used for driving the printing stock and along the length direction reciprocating motion of work piece about, fine setting subassembly is used for driving the radial reciprocating motion of printing stock along the work piece around, radial specifically means along the radial of horizontal direction here.
The position of the printing gun rack 2 is controlled by the driving mechanism 3, before printing, the printing gun rack 2 is far away from the base body, when printing is needed, the whole printing gun rack is driven to move to a proper initial position by the master control driving mechanism, then the position is accurately adjusted by the fine adjustment driving mechanism, and when printing is needed, the printing gun rack is driven to reciprocate along the length direction of a workpiece by the master control driving mechanism, so that the printing gun rack 2 prints the section responsible for the workpiece, and the workpieces are stacked spirally. Meanwhile, the height of the printing gun frame is controlled in real time by the fine adjustment mechanism according to the detection result of the distance detection assembly, so that the distance between the printing gun head 22 and the surface of the base body is in a reasonable range.
In addition, the printing gun rack 2 is arranged on the left-right moving cross beam 31, so that the working balance of each printing gun rack 2 can be ensured, and the structure can be simplified.
In addition, in order to improve the accuracy, the present invention preferably performs the position sensing by a magnetic scale, specifically, the magnetic scale includes a magnetic scale portion 33 and a magnetic head portion 34, the magnetic scale portion 33 is mounted on the vertical moving beam 32, and the magnetic head portion 34 is mounted on the horizontal moving beam 31.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. An electric smelting additive manufacturing device is characterized by comprising a rotating frame, a plurality of printing gun frames and a driving mechanism, wherein a base body for electric smelting forming is arranged on the rotating frame and is driven to rotate by the rotating frame;
the printing gun frame comprises an integrated frame, a printing gun head and a distance detection assembly, the printing gun head and the distance detection assembly are installed on the integrated frame, a printing wire for electric melting forming is sent to the surface of a base body through the printing gun head, the printing wire and the base body are respectively connected with two poles of a power supply, and the distance detection assembly is used for detecting the distance between the distance detection assembly and the surface of the base body, so that the distance between the printing gun head and the surface of a workpiece is obtained;
the driving mechanism is used for driving the printing gun rack to move;
the base body is connected with a power supply through a conductive device, and the conductive device comprises two locking plates, a plurality of conductive blocks and a plurality of pressing strips;
the conductive blocks are arranged between the two locking plates in a fan shape matched with the base body, two ends of each conductive block are detachably mounted on the corresponding locking plates, and the pressing strips are sequentially locked on the upper surfaces of the conductive blocks along the circumferential direction of the base body;
when the conductive block works, the lower surface of the conductive block is supported on the surface of the base body.
2. An electrofusion additive manufacturing apparatus according to claim 1, characterised in that the driving mechanism comprises a master control driving mechanism and a fine tuning driving mechanism, the master control driving mechanism drives a plurality of printing gun frames to move simultaneously, the fine tuning driving mechanisms are arranged in one-to-one correspondence with the printing gun frames, and the fine tuning driving mechanism drives the corresponding printing gun frames to move.
3. An electric smelting additive manufacturing apparatus according to claim 2, wherein the total control driving mechanism includes a liftable up-down moving beam and a left-right moving beam mounted on the up-down moving beam, the left-right moving beam can reciprocate along the length direction of the workpiece, and the plurality of printing gun frames are mounted on the left-right moving beam;
and/or, fine setting actuating mechanism is including fine setting subassembly about, fine setting subassembly and fine setting subassembly around, fine setting subassembly is used for driving the printing stock and goes up and down about, fine setting subassembly is used for driving the printing stock and along the length direction reciprocating motion of work piece about, fine setting subassembly is used for driving the radial reciprocating motion of printing stock along the work piece around.
4. An electrofusion additive manufacturing apparatus according to any of claims 1 to 3, further comprising a fixed platform and a moving platform arranged at an interval, a printing zone is provided between the fixed platform and the moving platform, the rotary frame is arranged in the printing zone, the driving mechanism and the printing gun frame are mounted on the fixed platform, and a control background is provided on the moving platform.
5. An electrofusion additive manufacturing apparatus according to claim 1, characterised in that there are two conducting means, which are supported at the two ends of the base body, respectively, and the two ends of the conducting means are tensioned downwards by locking members to bring the conducting means into close contact with the base body.
6. An electrofusion additive manufacturing apparatus according to claim 1, characterised in that the print gun head is provided with a guide through-hole and an auxiliary material flow chamber, the print wire is mounted in the guide through-hole and extends out of the lower end of the guide through-hole, and auxiliary material for electrofusion forming flows from the lower end of the auxiliary material flow chamber to the surface of the substrate.
7. An electric smelting additive manufacturing apparatus according to claim 6, wherein the print gun rack further includes an auxiliary material recovery mechanism, the auxiliary material recovery mechanism is installed on the integrated rack, the auxiliary material recovery mechanism includes a negative pressure recovery pipe and a screening bin, the negative pressure recovery pipe is used for adsorbing redundant auxiliary materials on the surface of the base body, and the screening bin is used for rejecting unqualified auxiliary materials and conveying qualified auxiliary materials to the auxiliary material circulation chamber.
8. An electric smelting vibration material disk equipment according to claim 7, characterized in that, auxiliary material recovery mechanism still includes first control assembly and second control assembly, the screening storehouse is including the screening cavity that sets gradually from top to bottom, retrieve cavity and main cavity, the screening cavity is retrieved the auxiliary material and is rejected unqualified auxiliary material through negative pressure recovery pipe, it is used for keeping in qualified auxiliary material to retrieve the cavity, main cavity and auxiliary material circulation cavity intercommunication, first control assembly is used for controlling the screening cavity and retrieves the cavity intercommunication or seal, the second control assembly is used for controlling to retrieve cavity and main cavity intercommunication or seal.
9. An electrofusion additive manufacturing apparatus according to claim 1, characterised in that the print gun rack further comprises a connecting rod group which is installed on the integrated rack in a liftable manner, the connecting rod group is arranged below the distance detection component, the lower end of the connecting rod group is in close contact with the surface of the base body, and the distance detection component is used for detecting the distance between the connecting rod group and the distance detection component, so as to obtain the distance between the distance detection component and the surface of the base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454081.2A CN108296659B (en) | 2017-12-28 | 2017-12-28 | Electric smelting vibration material disk equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454081.2A CN108296659B (en) | 2017-12-28 | 2017-12-28 | Electric smelting vibration material disk equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108296659A CN108296659A (en) | 2018-07-20 |
| CN108296659B true CN108296659B (en) | 2020-08-11 |
Family
ID=62868037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711454081.2A Active CN108296659B (en) | 2017-12-28 | 2017-12-28 | Electric smelting vibration material disk equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108296659B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204486986U (en) * | 2014-12-19 | 2015-07-22 | 福建省马尾造船股份有限公司 | The submerged-arc welding of ultrafine wire slag gas |
| CN204749279U (en) * | 2015-05-16 | 2015-11-11 | 李金颖 | Bull 3D printer |
| KR101828907B1 (en) * | 2016-04-22 | 2018-02-13 | 한국해양대학교 산학협력단 | method for build concrete structure using system for 3D concrete print |
| CN106956003B (en) * | 2017-03-23 | 2019-07-26 | 南方增材科技有限公司 | A kind of metal cylinder electric smelting increasing material manufacturing system |
| CN206796550U (en) * | 2017-03-25 | 2017-12-26 | 江西服装学院 | A kind of multi-nozzle 3D printer |
| CN107175816B (en) * | 2017-06-09 | 2019-03-05 | 洛阳理工学院 | A kind of bull sub-control 3D printer |
-
2017
- 2017-12-28 CN CN201711454081.2A patent/CN108296659B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108296659A (en) | 2018-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107931902A (en) | Weld upset feed mechanism and its lithium battery welding equipment | |
| CN101174548B (en) | Apparatus and method for measuring chuck attachment force | |
| CN103160798A (en) | Device for detecting evaporation source and method | |
| CN108226813A (en) | A kind of band linear sealing formula power supply universal test device | |
| CN214052673U (en) | High-speed glass carousel check out test set | |
| CN205177971U (en) | Lithium - ion battery pole pieces sorting unit | |
| CN101685791A (en) | Substrate supporting device and method for discharging static electricity by using same | |
| CN103737312B (en) | Disk housing spring pointer automatic assembling | |
| CN108296659B (en) | Electric smelting vibration material disk equipment | |
| CN207806936U (en) | Weld upset feed mechanism and its lithium battery welding equipment | |
| CN107253606A (en) | A kind of new automatic material transfering device of cylindricality lithium battery | |
| CN102267073B (en) | Double-headed bridge type crystalline material grinding machine | |
| CN103317207B (en) | A kind of method of magnetic control arc machining shaft | |
| CN114406468A (en) | Laser welding device is used in electric power controller processing of high accuracy location | |
| CN106784963A (en) | A kind of feeding in continuous material device of lithium battery dielectric film | |
| CN212821198U (en) | Quick detection device of biscuit metal | |
| CN206347033U (en) | A kind of taper roll bearing inner assembly full automatic assembly machine | |
| CN103043423B (en) | Material division device of LED (Light-Emitting Diode) light splitting machine | |
| CN105173680A (en) | Automatic feeding device for electronic belts | |
| CN103831255A (en) | Automatic wedge block measuring sorting machine | |
| CN206343860U (en) | A kind of retainer feeding mechanism of bearing assembly machine | |
| CN107914072A (en) | Lithium battery transmits gauge and its lithium battery welding equipment | |
| CN205952374U (en) | A automatic tape splicing machine for collecting fin | |
| CN107900572A (en) | Lithium battery welding equipment | |
| CN204803347U (en) | High frequency induction heating and spray quenching's device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190425 Address after: 528000 F Workshop, No. 31, Sanhuan West Road, Xiaotangcheng District, Shishan Town, Nanhai District, Foshan City, Guangdong Province Applicant after: South Zeng Cai Science and Technology Ltd. Address before: 518000 Room 401, A1 building, Futian District, Shenzhen, Guangdong. Applicant before: Wang Jun |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |