阅读说明：本技术 一种脉冲微波辅助动态支撑柔性成形装置及方法 (A kind of pulse microwave auxiliary dynamic support flexible forming apparatus and method ) 是由 苏春建 吕始鹏 鲁先宝 张帅 李震 刘加珍 于 2019-07-31 设计创作，主要内容包括：本发明提供了一种脉冲微波辅助动态支撑柔性成形装置及方法,该装置括托板、夹板、成形刀具头和脉冲微波辅助成形装置；夹板位于托板的上方,用以将板材固定在托板上；所述脉冲微波辅助成形装置包括脉冲微波发生器、同轴电缆、支撑杆、支撑头、滑杆、滑轨和用以支撑滑轨的滑轨支架,滑轨和滑轨支架共有两组,对称设置在滑杆的两端,滑杆的两端分别与两滑轨滑动相连,支撑杆的一端与滑杆滑动相连,另一端与支撑头转动相连,成形刀具头与支撑头分别位于板材的上下两端,支撑头内设有电磁线圈,电磁线圈通过同轴电缆与脉冲微波发生器电连。本发明利用该装置可显著提高室温下材料的成形极限,有效提高变形铝合金的平面应变值,完成板材的柔性成形。(The present invention provides a kind of pulse microwave auxiliary dynamic support flexible forming apparatus and method, the device to include supporting plate, clamping plate, forming tool head and pulse microwave assist formation device；Clamping plate is located at the top of supporting plate, plate to be fixed on supporting plate；The pulse microwave assist formation device includes pulse microwave generator, coaxial cable, support rod, branch fastener, slide bar, sliding rail and the sliding rail rack to support sliding rail, sliding rail and sliding rail rack share two groups, it is symmetricly set on the both ends of slide bar, the both ends of slide bar are connected with the sliding of two sliding rails respectively, one end of support rod is connected with sliding bar, the other end is rotatedly connected with branch fastener, forming tool head and branch fastener are located at the upper and lower ends of plate, electromagnetic coil is equipped in branch fastener, electromagnetic coil is electrically connected by coaxial cable and pulse microwave generator.The present invention is remarkably improved the forming limit of material at room temperature using the device, effectively improves the plane strain value of wrought aluminium alloy, completes the flexible forming of plate.)

1. a kind of pulse microwave assists dynamic support flexible forming apparatus, which is characterized in that including supporting plate, clamping plate, forming tool Head and pulse microwave assist formation device；The clamping plate is located at the top of supporting plate, plate to be fixed on supporting plate；The arteries and veins Rushing microwave-assisted forming device includes pulse microwave generator, coaxial cable, support rod, branch fastener, slide bar, sliding rail and to prop up Support the sliding rail rack of sliding rail, sliding rail and sliding rail rack share two groups, be symmetricly set on the both ends of slide bar, the both ends of slide bar respectively with The sliding of two sliding rails is connected, and one end of support rod is connected with sliding bar, and the other end and the branch fastener of support rod are rotatedly connected, forming Cutterhead and branch fastener are located at the upper and lower ends of plate, are equipped with electromagnetic coil in branch fastener, electromagnetic coil passes through coaxial electrical Cable is electrically connected with pulse microwave generator.

2. a kind of pulse microwave according to claim 1 assists dynamic support flexible forming apparatus, which is characterized in that described Electromagnetic coil, coaxial cable, pulse microwave generator constitute pulse electromagnetic circuit, and in the energized state, electromagnetic coil generates arteries and veins Electromagnetism is rushed, is interacted with forming tool head.

3. a kind of pulse microwave according to claim 1 assists dynamic support flexible forming apparatus, which is characterized in that described It is to be detachably connected between branch fastener and support rod.

4. a kind of pulse microwave according to claim 1 assists dynamic support flexible forming apparatus, which is characterized in that described The lower section of supporting plate is equipped with pedestal, and guide post and height-adjustable support device, guide post and adjustable height are provided on the pedestal Supporting plate is fixed on the base by the support device of degree, the position for adjusting height-adjustable support device and cooperating supporting plate on guide post Set the height that can adjust supporting plate.

5. a kind of pulse microwave according to claim 4 assists dynamic support flexible forming apparatus, which is characterized in that described The quantity of guide post is four, is uniformly arranged on the surrounding of supporting plate.

6. a kind of pulse microwave according to claim 4 assists dynamic support flexible forming apparatus, which is characterized in that described Height-adjustable support device is cylinder.

7. a kind of pulse microwave assists dynamic support flexible forming method, which is characterized in that based on such as any institute of claim 1-6 The pulse microwave auxiliary dynamic support flexible forming apparatus stated is implemented, comprising the following steps:

(1) plate to be processed is placed on supporting plate and is fixed with clamping plate；

(2) position for adjusting separately forming cutterhead and branch fastener, is respectively placed in plate to be processed for forming tool head and branch fastener The upper and lower ends of material；

(3) forming cutterhead control switch is opened, pulse microwave generator switch is opened simultaneously, the electromagnetic coil in branch fastener is logical Pulse current, branch fastener interact with the forming tool head being located on plate, complete the forming of plate.

8. a kind of pulse microwave according to claim 1 assists dynamic support flexible forming method, which is characterized in that pulse Microwave-assisted dynamic support flexible forming apparatus further includes control module, the control module and forming tool head, pulse microwave Assist formation device control be connected, control module to control forming tool head running track and pulse microwave auxiliary at Shape dress sets the running track of middle support rod, and then controls the running track of branch fastener.

9. a kind of pulse microwave according to claim 7 assists dynamic support flexible forming method, which is characterized in that open Forming tool head control switch, in the forming process of plate, forming tool head is with given pace rotation rotation.

Technical field

The present invention relates to technical field of board processing, and in particular to a kind of pulse microwave auxiliary dynamic support flexible forming dress It sets and method.

Background technique

The deformability of aluminium alloy at room temperature is poor, when carrying out quasi-static deformation to aluminium alloy with general Sheet Metal Forming Technology When processing, forming limit is lower, is also easy to produce rupture in improved strain area, and plate rebound is larger, and is easy to produce distortion Phenomenon, these factors cause aluminum alloy plate materials forming accuracy lower.

Hot forming is formed with certain advantage more at room temperature, and the formability of part and the size essence of part can be improved Degree, effectively improves the surface hardness and its wearability of part, but can generate oxide skin for no coated plate hot stamping operation, needs Subsequent increase ball blast and oiling line are wanted, has coated plate that can pollute ceramic roller in heating furnace, needs higher cleaning up cost.

Single-point progressive molding technology is a kind of novel plate flexible forming technology, and principle is produced by gradually deformation accumulation The flexible forming of plate may be implemented in raw whole deformation, and plate becomes track and path formation, by numerically-controlled machine tool control cutter head fortune It is dynamic, formation of parts it is reproducible, it is most important that can greatly reduce the manufacturing cost of product and shorten exploitation and manufacture week Phase, however, existing aluminum alloy plate materials flexible one point progressive molding process materials forming limit is low, when sheet material forming angle is larger Can rupture, forming accuracy is low, occur spring-back effect the technical issues of, and spring-back effect and element precision problem be also restrict An important factor for technology develops.

Summary of the invention

In view of the above-mentioned problems in the prior art, the present invention provides a kind of pulse microwave auxiliary dynamic support flexible forming dresses It sets；In addition the present invention provides a kind of pulse microwaves to assist dynamic support flexible forming method.

The following technical solution is employed by the present invention:

A kind of pulse microwave auxiliary dynamic support flexible forming apparatus, including supporting plate, clamping plate, forming tool head and pulse are micro- Wave assist formation device；The clamping plate is located at the top of supporting plate, plate to be fixed on supporting plate；The pulse microwave auxiliary Forming device includes pulse microwave generator, coaxial cable, support rod, branch fastener, slide bar, sliding rail and the cunning to support sliding rail Rail bracket, sliding rail and sliding rail rack share two groups, are symmetricly set on the both ends of slide bar, and the both ends of slide bar are slided with two sliding rails respectively It is connected, one end of support rod is connected with sliding bar, and the other end and the branch fastener of support rod are rotatedly connected, forming tool head and branch Fastener is located at the upper and lower ends of plate, and electromagnetic coil is equipped in branch fastener, and electromagnetic coil is micro- by coaxial cable and pulse Wave producer is electrically connected.

Further, the electromagnetic coil, coaxial cable, pulse microwave generator constitute pulse electromagnetic circuit, are being powered Under state, electromagnetic coil generates pulse electromagnetic, interacts with forming tool head.

It further, is to be detachably connected between the branch fastener and support rod.

It, can be with according to the shape of processing part to be detachably connected between branch fastener and support rod in above-mentioned technical proposal Adjust the forming tool head and branch fastener of suitable types.

Further, the lower section of the supporting plate is equipped with pedestal, is provided with guide post and height-adjustable branch on the pedestal Supporting plate is fixed on the base by support arrangement, guide post and height-adjustable support device, adjusts height-adjustable support device And cooperate position of the supporting plate on guide post that can adjust the height of supporting plate.

Further, the quantity of the guide post is four, is uniformly arranged on the surrounding of supporting plate.

Further, the height-adjustable support device is cylinder.

In above-mentioned technical proposal, according to processing needs, adjusts in the position of forming tool head by limited time, can use cylinder Plate is adjusted in turn to proper height with guide post adjustment supporting plate.

A kind of pulse microwave auxiliary dynamic support flexible forming method, comprising the following steps:

(1) plate to be processed is placed on supporting plate and is fixed with clamping plate；

(2) position for adjusting separately forming cutterhead and branch fastener, forming tool head and branch fastener is respectively placed in be added The upper and lower ends of work plate；

(3) forming cutterhead control switch is opened, pulse microwave generator switch, the electromagnetic wire in branch fastener are opened simultaneously Current pulse is enclosed, branch fastener interacts with the forming tool head being located on plate, completes the forming of plate.

Further, pulse microwave auxiliary dynamic support flexible forming apparatus further includes control module, the control module It is connected with forming tool head, the control of pulse microwave assist formation device, operation rail of the control module to control forming tool head The running track of support rod in mark and pulse microwave assist formation device, and then control the running track of branch fastener.

Further, it opens and shapes cutterhead control switch, in the forming process of plate, forming tool head is with a constant speed Rate rotation rotation.

In above-mentioned technical proposal, when circuit work occurs for pulse microwave, power transformer converts 380V commercial power to Then electric current is carried out rectifying and pressure-regulating using three phase rectifier voltage regulating module and constant current constant voltage control panel, controls mould by 185V input electricity Root tuber controls three phase rectifier voltage regulating module and constant current constant voltage control panel using control module according to feed circuit to control entrance The electric current and voltage of coil, coil, which is wound on generation pulse microwave on silicon steel core, can generate the effect of power to plate so as to cause change Shape.

Sliding rail is mounted on sliding rail rack, and slide bar and sliding rail are slided according to process control is opposite, forming tool head and support Head is processed according to pre-set programs along machining locus, and forming tool head is in the process with certain speed rotation rotation；

Pulse microwave generator constantly generates pulse microwave, pulse microwave generator and electromagnetic coil coaxial cable simultaneously It is connected, branch fastener Inside coil generates impulse action power, passes through the adjustable active force to plate of control module；

Plate is plastically deformed under the double action of forming tool head pressure and pulse microwave active force, and plate is fine Feature also carries out machining deformation because of the big strain energy of transient state；

Forming tool head and dynamic support head complete the pulse microwave of plate to Forming Workpiece is obtained after the completion of sheet fabrication Flexible forming.

The invention has the advantages that:

(1) pulse microwave auxiliary dynamic support flexible forming technology is remarkably improved the forming limit of material at room temperature, has Effect improves the plane strain value of wrought aluminium alloy；(2) shape energy can be precisely controlled to by the control that circuit occurs for pulse microwave Amount, effectively improves forming accuracy；(3) material rebounds behavior can effectively be inhibited under the collective effect of impulsive force and mold；(4) Under the double action of forming tool head pressure and pulse microwave active force, very high surge is sufficient for minutiae Processing.

Detailed description of the invention

Fig. 1 is that pulse microwave assists dynamic support flexible forming apparatus structural schematic diagram；

Fig. 2 is the forming tool head and branch fastener of different model；

Fig. 3 is that electrical block diagram occurs for pulse microwave.

Description of symbols:

1. pedestal, 2. guide posts, 3. slide bars, 4. supporting plates, 5. clamping plates, 6. plates, 7. forming tool heads, 8. electromagnetic coils, 9. Branch fastener, 10. support rods, 11. sliding rails, 12. cylinders, 13. sliding rail racks, 14. coaxial cables, 15. pulse microwave generators, 16.380V commercial power, 17. power transformers, 18. three phase rectifier voltage regulating modules, 19. silicon steel cores, 20. feed circuits, 21. Control module, 22. constant current constant voltage control panels, 23. single-phase rectifier voltage regulating modules, 24.185V input electricity, the universal forming-tool of 7-1. Have head, 7-2. big plane forming tool head, 7-3. side wall forming tool head, the universal branch fastener of 9-1., the big plane of 9-2. With branch fastener, 9-3. side wall branch fastener.

Specific embodiment

The present invention is specifically described with reference to the accompanying drawing:

Refering to fig. 1, a kind of pulse microwave assists dynamic support flexible forming apparatus, including supporting plate, clamping plate, forming tool head With pulse microwave assist formation device；The clamping plate is located at the top of supporting plate, plate to be fixed on supporting plate；The pulse Microwave-assisted forming device includes pulse microwave generator, coaxial cable, support rod, branch fastener, slide bar, sliding rail and to support The sliding rail rack of sliding rail, sliding rail and sliding rail rack share two groups, are symmetricly set on the both ends of slide bar, and the both ends of slide bar are respectively with two Sliding rail sliding is connected, and one end of support rod is connected with sliding bar, and the other end and the branch fastener of support rod are rotatedly connected, forming-tool Tool head and branch fastener are located at the upper and lower ends of plate, are equipped with electromagnetic coil in branch fastener, electromagnetic coil passes through coaxial cable It is electrically connected with pulse microwave generator.

As one of embodiment, further, the electromagnetic coil, coaxial cable, pulse microwave generator structure At pulse electromagnetic circuit, in the energized state, electromagnetic coil generates pulse electromagnetic, interacts with forming tool head.

Further, the electromagnetic coil using steel outside interior copper compound coil, without being overlapping when coiling, interlayer With 0.06~0.075mm heavy insulation paper insulation, internal structure is soaked electrical engineering insulation paint and is dried after winding, outer layer adds fish paper and Huang Wax silk fabric, and secondary paint-dipping drying, outsourcing gauze belt.

When pulse microwave auxiliary dynamic support flexible forming apparatus is for when producing in enormous quantities, electromagnetic coil need to install cooling additional System is cooled down.

As one of embodiment, further, it is detachably connected between the branch fastener and support rod.

To be detachably connected between branch fastener and support rod, according to the adjustable suitable types of shape of processing part at Shape cutterhead and branch fastener, the forming tool head and branch fastener of different model are refering to shown in Fig. 2.

According to the branch fastener and forming tool head of tool track and work pieces process shape replacement suitable types.

Fig. 2 gives the forming tool head and branch fastener of three kinds of different models, wherein universal forming tool head and general Type branch fastener is used to process larger plane for generally processing situation, big plane forming tool head and big plane branch fastener, Side wall forming tool head and side wall branch fastener are used for the processing of plate side wall.

As one of embodiment, further, the lower section of the supporting plate is equipped with pedestal, is provided on the pedestal Supporting plate is fixed on the base by guide post and height-adjustable support device, guide post and height-adjustable support device, is adjusted Height-adjustable support device simultaneously cooperates position of the supporting plate on guide post that can adjust the height of supporting plate.

As one of embodiment, further, the quantity of the guide post is four, is uniformly arranged on the four of supporting plate Week.

As one of embodiment, further, the height-adjustable support device is cylinder.

According to processing needs, adjusts in the position of forming tool head by limited time, adjust supporting plate in turn using cylinder and guide post Plate is adjusted to proper height.

It should be noted that cylinder needs the Pneumatic Transmissions auxiliary elements such as external air compressor, reversal valve, air filter.

A kind of pulse microwave auxiliary dynamic support flexible forming method, comprising the following steps:

(1) plate to be processed is placed on supporting plate and is fixed with clamping plate；

(2) position for adjusting separately forming cutterhead and branch fastener, forming tool head and branch fastener is respectively placed in be added The upper and lower ends of work plate；

(3) forming cutterhead control switch is opened, pulse microwave generator switch, the electromagnetic wire in branch fastener are opened simultaneously Current pulse is enclosed, branch fastener interacts with the forming tool head being located on plate, completes the forming of plate.

As one of embodiment, further, pulse microwave auxiliary dynamic support flexible forming apparatus further includes Control module, the control module are connected with forming tool head, the control of pulse microwave assist formation device, and control module is to control The running track of support rod in the running track and pulse microwave assist formation device of shape cutterhead is made, and then controls branch The running track of fastener.

Electric current, voltage of the control module also to control the generation circuit of pulse microwave generator.

Pulse microwave auxiliary dynamic support flexible forming apparatus needs are used cooperatively with numerically-controlled machine tool, and numerically-controlled machine tool is for controlling The parameters such as revolving speed, steering, the amount of feeding of shape cutterhead are made.

Refering to Fig. 3, when the generation circuit of pulse microwave generator works, power transformer converts 380V commercial power to Then electric current is carried out rectifying and pressure-regulating using three phase rectifier voltage regulating module and constant current constant voltage control panel, controls mould by 185V input electricity Root tuber controls three phase rectifier voltage regulating module and constant current constant voltage control panel using control module according to feed circuit to control entrance The electric current and voltage of coil, coil, which is wound on generation pulse microwave on silicon steel core, can generate the effect of power to plate so as to cause change Shape.

Sliding rail is mounted on sliding rail rack, and slide bar and sliding rail are slided according to process control is opposite, forming tool head and support Head is processed according to pre-set programs along machining locus, and forming tool head is in the process with certain speed rotation rotation；

Pulse microwave generator constantly generates pulse microwave, pulse microwave generator and electromagnetic coil coaxial cable simultaneously It is connected, branch fastener Inside coil generates impulse action power, passes through the adjustable active force to plate of control module；

Plate is plastically deformed under the double action of forming tool head pressure and pulse microwave active force, and plate is fine Feature also carries out machining deformation because of the big strain energy of transient state；

Forming tool head and dynamic support head complete the pulse microwave of plate to Forming Workpiece is obtained after the completion of sheet fabrication Flexible forming.

Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention Protection scope.