阅读说明：本技术 层合板磁脉冲复合成形装置及复合成形方法 (Magnetic pulse composite forming device and composite forming method for laminated plate ) 是由 徐俊瑞 赵雨东 王宇阳 李毅 汪强昆 王元丰 于 2021-08-04 设计创作，主要内容包括：层合板磁脉冲复合成形装置及复合成形方法,涉及金属材料加工成形领域,本发明的目的是为了解决异种材料的板材复合困难的问题。本申请包括主框架单元、磁脉冲冲击单元、工作平台单元和送料装置,第一匀压线圈和第二匀压线圈与主框架单元中的移动杆相连接,通过移动杆控制第一匀压线圈和第二匀压线圈的升降；送料单元将板材送至工作平台单元,第一匀压线圈和第二匀压线圈分别对异种板材进行小面积焊合和较大区域的冲击复合,显著提高了成形效果,同时第一匀压线圈和第二压线圈的配合可以实现异种板材连续的冲击复合。它用于对异种材料的板材进行复合。(The invention discloses a magnetic pulse composite forming device and a magnetic pulse composite forming method for a laminated plate, relates to the field of metal material processing and forming, and aims to solve the problem that a plate made of a dissimilar material is difficult to composite. The magnetic pulse impact device comprises a main frame unit, a magnetic pulse impact unit, a working platform unit and a feeding device, wherein a first uniform pressure coil and a second uniform pressure coil are connected with a moving rod in the main frame unit, and the first uniform pressure coil and the second uniform pressure coil are controlled to lift through the moving rod; the feeding unit sends the plate to the working platform unit, the first uniform pressure coil and the second uniform pressure coil respectively carry out small-area welding and large-area impact compounding on the dissimilar plate, the forming effect is obviously improved, and meanwhile continuous impact compounding of the dissimilar plate can be realized through the matching of the first uniform pressure coil and the second uniform pressure coil. It is used for compounding plates made of different materials.)

1. The laminated plate magnetic pulse composite forming device is characterized by comprising a main frame unit (28), a working platform unit (29), a feeding unit (30) and a magnetic pulse impact unit (31);

the main frame unit (28) is used for placing the working platform unit (29) and the suspension magnetic pulse impact unit (31) and driving the magnetic pulse impact unit (31) to move up and down;

the feeding unit (30) is used for placing 2 plates and transmitting the 2 plates to the working platform unit (29);

the working platform unit (29) is placed on the main frame unit (28) and faces the magnetic pulse impact unit (31),

the magnetic pulse impact unit (31) is driven by the main frame unit (28) to move up and down, when the magnetic pulse impact unit (31) moves down, 2 plates on the working platform unit (29) are impacted and compounded to form a laminated plate, and after the impact compounding is finished, the magnetic pulse impact unit (31) moves up;

the magnetic pulse impact unit (31) comprises 2 magnetic pulse forming devices (8), 2 cable clamps (9), 4 slings (10), an outer guide groove (11), a first uniform pressure coil (12), a second uniform pressure coil (13), a first insulating tissue (31-1), a second insulating tissue (31-2) and 2 insulating layers (31-3);

the first insulating tissue (31-1) is a cylinder, the second insulating tissue (31-2) is a flat body, the first uniform voltage coil (12) is sleeved on the first insulating tissue (31-1), and the second uniform voltage coil (13) is sleeved on the second insulating tissue (31-2);

2 grooves are formed in two ends of each insulating tissue (31-1);

2 cable clamps (9) are buckled on a main frame unit (28) uniformly, the 2 cable clamps (9) are fixed on the main frame unit through a pin shaft, 2 circular grooves are formed in the upper surface of each cable clamp (9), two ends of each sling (10) are sleeved on the grooves of the cable clamps (9) and the grooves of an insulating tissue (31-1) respectively, a first uniform pressure coil (12) is tangent to a plate in a contact mode, a second uniform pressure coil (13) is in surface contact with the plate in a contact mode, 1 outer guide groove (11) is covered at the outer ends of the first uniform pressure coil (12) and the second uniform pressure coil (13) respectively, the outer guide grooves (11) are made of conducting materials, the 2 outer guide grooves (11) are fixed on the main frame unit (28) through bolts, 1 insulating layer (31-3) is arranged between the first uniform pressure coil (12) and the main frame unit (28), and 1 insulating layer (31-3) is arranged between the second uniform pressure coil (13) and the main frame unit (28);

two ends of the first uniform voltage coil (12) and the second uniform voltage coil (13) are connected with a magnetic pulse forming device (8), and the magnetic pulse forming device (8) is used for providing current for the first uniform voltage coil (12) and the second uniform voltage coil (13) to generate a magnetic field;

the outer guide groove (11) at the outer end of the first uniform pressure coil (12) is used for gathering the magnetic field, and then the Lorentz force generated by the magnetic field realizes the line contact impact compounding of the 2 plates;

and the outer guide groove (11) at the outer end of the second uniform pressure coil (13) is used for gathering the magnetic field, then realizing the surface contact impact compounding of the 2 plates by Lorentz force generated by the magnetic field, and finishing the compounding of the plates with the whole length by the line contact impact compounding and the surface contact impact compounding and alternate impact compounding.

2. The laminated plate magnetic pulse composite forming device according to claim 1, wherein the main frame unit (28) comprises 2 rotating motors (1), a moving rod (2), a square nut (3), 2 vertical guide rails (4), 2 vertical frames (5), 2 adjusting screws (6), a base (14), 2 first sliding blocks (28-1) and 2 square frame structures (28-2);

2 vertical frames (5) are arranged on the base (14) and positioned at two sides of the base (14) and fixedly connected with the base (14), 2 vertical guide rails (4) are oppositely arranged on the inner walls of the 2 vertical frames (5), rectangular through holes are formed in the 2 vertical frames (5) and the 2 vertical guide rails (4) along the vertical direction, the rectangular through holes provide space for the up-and-down movement of the moving rod (2), two ends of the moving rod (2) are respectively sleeved with 1 first sliding block (28-1), and each first sliding block (28-1) is connected with the vertical guide rail (4) in a sliding way,

2 adjusting screw rods (6) are arranged on the base (14) and located on the outer side of each vertical frame (5), each square frame structure (28-2) is connected with the upper portion of the outer side wall of each vertical frame (5), a rotating motor (1) is placed in each square frame structure (28-2), the rotating motor (1) is fixed with one side wall of each square frame structure through a fixing bolt, a through hole is formed in the bottom of each square frame structure (28-2), and a rotating shaft of the rotating motor (1) penetrates through the through hole to be connected with the top of each adjusting screw rod (6);

each adjusting screw (6) is sleeved with a square nut (3), two ends of the moving rod (2) penetrate through the rectangular through holes to be fixedly connected with the side walls of the square nuts (3), and the rotating motor (1) 2 rotates simultaneously to drive the adjusting screws (6) 2 to rotate, so that the square nuts (3) on the adjusting screws (6) 2 drive the moving rod (2) to move up and down simultaneously;

1 insulating layer (31-3) is arranged between the first uniform pressure coil (12) and the movable rod (2), and 1 insulating layer (31-3) is arranged between the second uniform pressure coil (13) and the movable rod (2).

3. The laminate magnetic pulse composite forming apparatus according to claim 2, wherein the main frame unit (28) further comprises a support bar (7),

one end of the supporting rod (7) is connected with the outer wall of the vertical frame (5), the other end of the supporting rod (7) is positioned on the base (14), and the supporting rod (7) is used for fixedly supporting the vertical frame (5).

4. The laminated plate magnetic pulse composite forming device according to claim 1, wherein the working platform unit (29) comprises a working platform (16), a plate limiting block (29-1), a square motor (17), a booster (18), a telescopic rod (19), 3 cushion blocks (20), a second sliding block (21), a guide rail (29-2), 2 support rods (22), a square limiting hole (23) and 1 plate isolating device (27);

a groove is formed in the base (14), the guide rail (29-2) and the support rods (22) are arranged in the groove, the telescopic rod (19) is arranged on the guide rail (29-2), 2 support rods (22) are arranged at two ends of the telescopic rod (19), the groove is used for positioning and buffering pressure generated by the telescopic rod (19) when the telescopic rod (19) extends or contracts, the working platform (16) is arranged at the tops of the telescopic rod (19) and the support rods (22), and the support rods (22) lift along with the extension and contraction of the telescopic rod (19);

the bottom of each of two ends of a telescopic rod (19) is respectively provided with 1 square motor (17), power generated by 2 square motors (17) is used for respectively controlling 1 booster (18) to move forwards or backwards, when 2 boosters (18) move forwards, 2 second sliding blocks (21) are pushed to move oppositely on a guide rail (29-2), two ends of the telescopic rod (19) connected with the 2 second sliding blocks are extruded, the telescopic rod (19) is extended to drive a working platform (16) to move upwards, when the 2 boosters (18) move backwards, the 2 second sliding blocks (21) are pushed to move oppositely on the guide rail (29-2), the support rod (19) is contracted to drive the working platform (16) to move downwards;

the plate limiting block (29-1) is vertically connected with the side wall of the working platform (16) close to the feeding unit (30), the plate limiting block (29-1) is flush with the bottom surface of the working platform (16), the plate limiting block (29-1) and the working platform (16) are of an integrated structure, two square limiting holes (23) are formed in the plate limiting block (29-1),

when the feeding unit (30) feeds 2 plates into the working platform (16), the 2 plates enter the working platform (16) through the two square limiting holes (23), and the two square limiting holes (23) prevent the 2 plates from swinging up and down, so that the plates stably enter the working platform (16);

the 3 cushion blocks (20) are arranged on the working platform (16) along the length direction of the working platform (16), the 3 cushion blocks (20) are named as a first cushion block (20-1), a second cushion block (20-2) and a third cushion block (20-3) in sequence from the end close to the feeding unit (30),

the positions of the first cushion block (20-1) and the second cushion block (20-2) correspond to the pressing-down position of the outer guide groove (11) of the first uniform pressure coil (12), and the position of the third cushion block (20-3) corresponds to the pressing-down position of the outer bottom of the outer guide groove (11) of the second uniform pressure coil (13);

the 2 plates are named as a flying plate and a substrate respectively, the flying plate is positioned on the upper surfaces of the 3 cushion blocks (20), and the substrate is positioned on the lower bottom surfaces of the 3 cushion blocks (20);

the plate isolation device (27) is used for drawing the second cushion block (20-2) out of the 2 plates after the plates are subjected to primary linear contact impact compounding, when the 2 plates stretch into the upper end and the lower end of the third cushion block (20-3), the second cushion block (20-2) is placed at a position corresponding to the outer guide groove (11) of the second uniform pressure coil (13) by adopting the plate isolation device (27), and after the outer guide groove (11) of the second uniform pressure coil (13) compresses the flying plate, primary surface contact impact compounding is completed.

5. The laminated plate magnetic pulse composite forming device according to claim 4, wherein the plate material isolation device (27) comprises a hand pulling screw rod (27-1), a nut (27-2), 2 pulleys (27-3), a cushion block bracket (27-4) and a rotating head (27-5),

the cushion block bracket (27-4) is positioned on the base (14) behind the working platform (16) and faces towards the second cushion block (20-2), a groove is formed in the side wall of the cushion block bracket (27-4), the upper inner wall and the lower inner wall of the groove are respectively connected with a pulley (27-3), the working platform (16) enters the groove through the pulley (27-3), the upper end of the cushion block bracket (27-4) is provided with a hole, the bottom of the rotating head (27-5) is inserted into the hole, the rotating head (27-5) can rotate in the hole, the upper part of the rotating head (27-5) is provided with a through hole along the horizontal direction, the hand-pulling screw rod (27-1) sequentially penetrates through the through hole along the horizontal direction and the central position of the cushion block (20) to be fixedly connected with the nut (27-2), and the hand-pulling screw rod (27-1) is pulled to drive the second cushion block (20-2) to be pulled out a part, and then the hand-pulling screw rod (27-1) horizontally rotates for 90 degrees along the rotating head (27-5), and the hand-pulling screw rod (27-1) drives the second cushion block (20-2) to rotate out from the right end of the second cushion block (20-2).

6. The laminate magnetic pulse composite forming apparatus according to claim 5, wherein the feeding unit (30) comprises 2 vertical lifting mechanisms (25), a moving device (26), a setting device (24) and a control system;

the moving device (26) is arranged close to the plate limiting block (16-1), the 2 vertical lifting mechanisms (25) are arranged on the moving device (26), the formulating device (24) is used for fixing the moving device (26), and the control system is arranged on the moving device (26);

each vertical lifting mechanism (25) is fixedly provided with a cylindrical guide connecting rod (25-1), each cylindrical guide connecting rod (25-1) is sleeved with 1 material rolling device (25-2), each material rolling device (25-2) is rolled with a plate, and the control system is used for controlling each cylindrical guide connecting rod (25-1) to move up and down along the corresponding vertical lifting mechanism (25), so that 2 plates are respectively placed on the working platform (16) and the cushion blocks (20).

7. The laminate magnetic pulse composite forming apparatus according to claim 1, wherein the magnetic pulse forming device (8) comprises a high voltage transformer, a high voltage rectifier, a charging resistor, a discharging capacitor and a switch;

the primary of the high-voltage transformer is connected with a power supply, one end of the secondary of the high-voltage transformer is connected with one end of the high-voltage rectifier, the other end of the secondary of the high-voltage transformer is connected with the other end of the rectifier, one end of the high-voltage rectifier is connected with one end of the charging resistor, the other end of the charging resistor is simultaneously connected with one end of the switch and the power ground, and the other end of the switch is connected with the other end of the rectifier.

8. The laminate magnetic pulse composite forming apparatus of claim 1 further comprising a tow cart (15),

and the material dragging trolley (15) is used for transporting the laminated plate formed by compounding the 2 plates.

9. The laminate magnetic pulse composite forming method of claim 6, wherein the method comprises the steps of:

step 1, respectively placing each plate on 1 material rolling device (25-2), controlling the height of the 2 material rolling devices (25-2) by using a control system, controlling the 2 material rolling devices (25-2) to rotate, enabling the other ends of the two plates to respectively penetrate through 1 square limiting hole (23) and respectively extend into the upper end and the lower end of a second cushion block (20-2), and controlling the 2 material rolling devices (25-2) to stop working;

step 2, starting 2 rotating motors (1), driving 2 adjusting screws (6) to rotate simultaneously, enabling 2 square nuts (3) and the moving rod (2) to move downwards along the adjusting screws (6) simultaneously, driving the magnetic pulse impact unit (31) to move downwards, opening the magnetic pulse impact unit (31) to electrify the first uniform pressure coil (12), enabling the first uniform pressure coil (12) to generate instant electromagnetic force to act on a flying plate between the first cushion block (20-1) and the second cushion block (20-2), enabling the flying plate between the first cushion block (20-1) and the second cushion block (20-2) to move downwards, and enabling the flying plate and the substrate to be in line contact impact compounding;

step 3, reversely starting the 2 rotating motors (1), and simultaneously driving the 2 adjusting screw rods (6) to rotate, so that the 2 square nuts (3) and the moving rod (2) simultaneously move upwards along the adjusting screw rods (6), and further the magnetic pulse impact unit (31) is driven to move upwards, and the magnetic pulse impact unit (31) is separated from the flying plate;

step 4, the second cushion block (20-2) is moved away by using a plate isolation device (27);

step 5, controlling 2 material coiling devices (25-2) to continuously rotate by using a control system, respectively moving the other ends of the 2 plates subjected to the line contact impact compounding in the step 2 to a third cushion block (20-3) and a working platform (16), and then placing a second cushion block (20-2) at the pressing position of an outer guide groove of a second uniform pressure coil (13);

step 6, starting 2 rotating motors (1), simultaneously driving 2 adjusting screws (6) to rotate, enabling 2 square nuts (3) and the moving rod (2) to move downwards together, so as to drive the magnetic pulse impact unit (31) to move downwards to press the flying plate, opening the magnetic pulse impact unit (31) to electrify the second uniform pressure coil (13), pressing an outer guide groove (11) of the second uniform pressure coil (13) downwards on the second cushion block (20-2) and the third cushion block (20-3), and performing surface contact impact compounding on the flying plate and the substrate which are arranged at the upper end and the lower end of the second cushion block (20-2) and the third cushion block (20-3) at the moment by using the second uniform pressure coil (13) to perform surface contact impact compounding at one end of the online contact impact compounding;

step 7, moving the magnetic pulse impact unit (31) upwards, removing the second cushion block (20-2), turning the material coiling device, moving one end of the magnetic pulse impact unit (31) with the compounded surface contact impact in the step 6 to the position below the first uniform pressure coil (12), moving the magnetic pulse impact unit (31) downwards, pressing the flying plate, and performing line contact impact compounding on one end with the compounded surface contact impact;

and 8, repeating the steps 3, 5, 6 and 7, finishing the compounding of the plates with the whole length by adopting line-surface alternate impact compounding formed by line-contact impact compounding and surface-contact impact compounding, and carrying away the compounded plates formed after compounding by a dragging trolley (15).

Technical Field

The invention relates to the field of metal material processing and forming, in particular to a magnetic pulse composite forming device for two different alloy plates.

Background

Due to the increasingly prominent problems of energy shortage and environmental pollution, the design of light weight materials has become a great development trend in the industrial fields of automobile manufacturing, aerospace, electronics and the like.

Light metal sheet materials such as aluminum alloy and magnesium alloy are widely used in the process of reducing the weight of materials, but in order to achieve structural safety, aluminum alloy and magnesium alloy cannot completely replace some steel structures, and thus lamination of dissimilar materials becomes more and more important. Dissimilar metals, such as steel and aluminum alloys, are difficult to effectively join by conventional composite techniques due to differences in their physical and chemical properties, such as melting points.

Disclosure of Invention

The invention aims to solve the problem that a plate made of a dissimilar material is difficult to compound, and provides a magnetic pulse compound forming device and a compound forming method for a laminated plate.

The magnetic pulse composite forming device for the laminated plate comprises a main frame unit, a working platform unit, a feeding unit and a magnetic pulse impact unit;

the main frame unit is used for placing the working platform unit and the suspension magnetic pulse impact unit and driving the magnetic pulse impact unit to move up and down;

the feeding unit is used for placing 2 plates and transmitting the 2 plates to the working platform unit;

the working platform unit is arranged on the main frame unit and faces the magnetic pulse impact unit,

the magnetic pulse impact unit is driven by the main frame unit to move up and down, when the magnetic pulse impact unit moves down, 2 plates on the working platform unit are impacted and compounded to form a laminated plate, and when the impact and compounding are completed, the magnetic pulse impact unit moves up;

the magnetic pulse impact unit comprises 2 magnetic pulse forming devices, 2 cable clamps, 4 suspension cables, an outer guide groove, a first uniform pressure coil, a second uniform pressure coil, a first insulating tissue, a second insulating tissue and 2 insulating layers;

the first insulation tissue is a cylinder, the second insulation tissue is a flat body, the first uniform voltage coil is sleeved on the first insulation tissue, and the second uniform voltage coil is sleeved on the second insulation tissue;

two ends of each insulating tissue are provided with 2 grooves;

2 cable clamps are buckled on the main frame unit evenly, the 2 cable clamps are fixed on the main frame unit through a pin shaft, 2 circular grooves are formed in the upper surface of each cable clamp, two ends of each sling are sleeved on the grooves of the cable clamps and the grooves of the insulation structure respectively, a first uniform pressure coil is tangent to a plate in a contact mode, a second uniform pressure coil is in surface contact with the plate in a contact mode, 1 outer guide groove is covered at the outer end of each of the first uniform pressure coil and the second uniform pressure coil and is made of a conductive material, the 2 outer guide grooves are fixed on the main frame unit through bolts, 1 insulation layer is arranged between the first uniform pressure coil and the main frame unit, and 1 insulation layer is arranged between the second uniform pressure coil and the main frame unit;

the two ends of the first uniform voltage coil and the second uniform voltage coil are connected with magnetic pulse forming equipment, and the magnetic pulse forming equipment is used for providing current for the first uniform voltage coil and the second uniform voltage coil to generate a magnetic field;

the outer guide groove at the outer end of the first uniform pressure coil is used for gathering the magnetic field and realizing line contact impact compounding on the 2 plates by Lorentz force generated by the magnetic field;

the outer guide groove at the outer end of the second uniform pressure coil is used for gathering the magnetic field, then the Lorentz force generated by the magnetic field realizes the surface contact impact compounding of the 2 plates, and the line contact impact compounding and the surface contact impact compounding alternately impact compounding complete the compounding of the plates with the whole length.

A composite forming method implemented according to a laminate magnetic pulse composite forming apparatus, the method comprising the steps of:

step 1, respectively placing each plate on 1 material coiling device, controlling the height of the 2 material coiling devices by using a control system, and controlling the 2 material coiling devices to rotate, so that the other ends of the two plates respectively penetrate through 1 square limiting hole and respectively extend into the upper end and the lower end of a second cushion block, and controlling the 2 material coiling devices to stop working;

step 2, starting 2 rotating motors, simultaneously driving 2 adjusting screws to rotate, and enabling 2 square nuts and a moving rod to simultaneously move downwards along the adjusting screws so as to drive a magnetic pulse impact unit to move downwards, opening the magnetic pulse impact unit to electrify a first uniform pressure coil, enabling the first uniform pressure coil to generate instant electromagnetic force to act on a flying plate between a first cushion block and a second cushion block, enabling the flying plate between the first cushion block and the second cushion block to move downwards, and further enabling the flying plate and a substrate to perform line contact impact compounding;

step 3, reversely starting the 2 rotating motors, and simultaneously driving the 2 adjusting screw rods to rotate, so that the 2 square nuts and the moving rod simultaneously move upwards along the adjusting screw rods, and further driving the magnetic pulse impact unit to move upwards, and separating the magnetic pulse impact unit from the fly plate;

step 4, moving the second cushion block away by using the plate isolation device;

step 5, controlling the 2 coil feeders to continue rotating by using the control system, respectively moving the other ends of the 2 plates subjected to the line contact impact compounding in the step 2 onto a third cushion block and a working platform, and then placing a second cushion block at a pressing position of an outer guide groove of a second uniform pressure coil;

step 6, starting 2 rotating motors, simultaneously driving 2 adjusting screws to rotate, and enabling 2 square nuts and a moving rod to move downwards together, so as to drive a magnetic pulse impact unit to move downwards to press a flying plate, opening the magnetic pulse impact unit to electrify a second uniform pressure coil, pressing an outer guide groove of the second uniform pressure coil downwards on a second cushion block and a third cushion block, and performing surface contact impact compounding on the flying plate and the substrate which are arranged at the upper end and the lower end of the second cushion block and the third cushion block by one end of the second uniform pressure coil, which is in online contact impact compounding;

step 7, moving the magnetic pulse impact unit upwards, removing the second cushion block), rotating the material coiling device, moving one end compounded in the step 6 to the position below the first uniform pressure coil, moving the magnetic pulse impact unit downwards, pressing the flying plate, and performing line contact impact compounding on one end of the opposite contact impact compounding;

and 8, repeating the steps 3, 5, 6 and 7, finishing the compounding of the plates with the whole length by adopting line-surface alternate impact compounding formed by line-contact impact compounding and surface-contact impact compounding, and conveying the compounded composite plates away by using a dragging trolley.

The invention has the beneficial effects that:

1. the first uniform pressure coil in the magnetic pulse composite forming of the laminated plate can adopt a uniform pressure coil of a solenoid coil, and the uniform pressure coil of the solenoid coil is tangent to the flying plate to realize small-area contact with the flying plate, so that the small-area composite of 2 plates is realized, and the melting of materials can be avoided. And then, a second uniform pressure coil is utilized to compound one end of the plate with a large contact area through small-area contact, then the compound plate with a small contact area is compounded at one end of the compound plate with a large contact area, and then the compound plate with a small area is compounded at one end of the compound plate with a small area. The first uniform pressure coil and the second uniform pressure coil realize the circulating reciprocating type impact compounding of the two plates, so that a good compound forming effect is realized. In addition, the first uniform pressure coil and the second uniform pressure coil are used for circularly reciprocating impact compounding of the two plates, so that the working length of the working platform unit is saved.

2. The composite forming method realizes the composite of dissimilar materials by high-speed impact through magnetic pulses, and has great potential for the composite forming of dissimilar metals which can not be combined almost under the conventional condition.

3. The magnetic pulse forming technology can eliminate the process problem of a heat affected zone of the material in the impact compounding process, avoid the melting of the material and realize the good connection of the two plates.

4. This application utilizes the mode that first even pressure coil and second even pressure coil combine to accomplish the multiple operation processing complex and takes shape, and the shaping process is high efficiency fast, has shortened processing cycle, has improved production efficiency.

5. The application has high flexibility, no noise and no pollution in the processing process.

6. The working platform in the application can cooperate with the feeding unit, so that the plate material is kept in a straight state, and the damage to the plate material is avoided.

Drawings

FIG. 1 is a schematic sectional view of a laminated board magnetic pulse composite forming device;

FIG. 2 is a schematic cross-sectional structural view of a vertical guide rail and a vertical frame in the laminated plate magnetic pulse composite forming device;

FIG. 3 is a schematic top cross-sectional structural view of a moving rod passing through a vertical guide rail and a vertical frame in the laminated plate magnetic pulse composite forming device;

FIG. 4 is a schematic top view of a magnetic pulse composite forming apparatus for a laminated board, in which a movable rod is slidably connected to a vertical rail;

FIG. 5 is a schematic cross-sectional view of a slider and a guide rail in a laminated plate magnetic pulse composite forming device;

FIG. 6 is a diagram showing the connection relationship between the sheet separator and the second spacer in the magnetic pulse composite forming apparatus for laminated sheets;

fig. 7 to 9 are three state diagrams respectively illustrating the hand-pulling screw inserted into the second cushion block, pulling the hand-pulling screw to drive the second cushion block and the nut to be pulled out partially, and rotating the hand-pulling screw by 90 degrees;

FIG. 10 is a schematic cross-sectional view of a square limiting hole in a laminate magnetic pulse composite forming device;

FIG. 11 is a schematic cross-sectional view of a cable clamp and a moving rod connection in a laminated plate magnetic pulse composite forming apparatus;

FIG. 12 is a schematic three-dimensional structure of a first uniform pressure coil in a laminated plate magnetic pulse composite forming device;

fig. 13 is a schematic three-dimensional structure diagram of a second uniform pressure coil in the laminated plate magnetic pulse composite forming device.

Detailed Description

The first embodiment is as follows: the embodiment will be described with reference to fig. 1, and the magnetic pulse composite forming apparatus for a laminated board according to the embodiment includes a main frame unit 28, a work platform unit 29, a feeding unit 30, and a magnetic pulse impact unit 31;

the main frame unit 28 is used for placing the working platform unit 29 and the suspension magnetic pulse impact unit 31 and driving the magnetic pulse impact unit 31 to move up and down;

the feeding unit 30 is used for placing 2 plates and transmitting the 2 plates to the working platform unit 29;

the work platform unit 29 is placed on the main frame unit 28, and faces the magnetic pulse impact unit 31,

the magnetic pulse impact unit 31 is driven by the main frame unit 28 to move up and down, when the magnetic pulse impact unit 31 moves down, 2 plates on the working platform unit 29 are impacted and compounded to form a laminated plate, and after the impact and compounding are completed, the magnetic pulse impact unit 31 moves up;

the magnetic pulse impact unit 31 comprises 2 magnetic pulse forming devices 8, 2 rope clamps 9, 4 suspension ropes 10, an outer guide groove 11, a first uniform voltage coil 12, a second uniform voltage coil 13, a first insulating tissue 31-1, a second insulating tissue 31-2 and 2 insulating layers 31-3;

the first insulating tissue 31-1 is a cylinder, the second insulating tissue 31-2 is a flat body, the first uniform voltage coil 12 is sleeved on the first insulating tissue 31-1, and the second uniform voltage coil 13 is sleeved on the second insulating tissue 31-2;

2 grooves are formed in the two ends of each insulating tissue 31-1;

2 cable clamps 9 are buckled on a main frame unit 28, the 2 cable clamps 9 are fixed on the main frame unit through a pin shaft, 2 circular grooves are formed in the upper surface of each cable clamp 9, two ends of each sling 10 are respectively sleeved on the grooves of the cable clamps 9 and the grooves of an insulating tissue 31-1, a first uniform pressure coil 12 is tangent to a plate in a contact mode, a second uniform pressure coil 13 is in surface contact with the plate in a contact mode, the outer ends of the first uniform pressure coil 12 and the second uniform pressure coil 13 are respectively covered with 1 outer guide groove 11, the outer guide grooves 11 are made of conductive materials, the 2 outer guide grooves 11 are fixed on the main frame unit 28 through bolts, 1 insulating layer 31-3 is arranged between the first uniform pressure coil 12 and the main frame unit 28, and 1 insulating layer 31-3 is arranged between the second uniform pressure coil 13 and the main frame unit 28;

the two ends of the first uniform voltage coil 12 and the second uniform voltage coil 13 are connected with the magnetic pulse forming equipment 8, and the magnetic pulse forming equipment 8 is used for providing current for the first uniform voltage coil 12 and the second uniform voltage coil 13 to generate a magnetic field;

the outer guide groove 11 at the outer end of the first uniform pressure coil 12 is used for gathering the magnetic field and realizing line contact impact compounding on the 2 plates by Lorentz force generated by the magnetic field;

the outer guide groove 11 at the outer end of the second uniform pressure coil 13 is used for gathering magnetic fields, then the Lorentz force generated by the magnetic fields realizes the surface contact impact compounding of the 2 plates, and the line contact impact compounding and the surface contact impact compounding alternately impact compounding to complete the compounding of the plates with the whole length.

In the embodiment, the first uniform pressure coil 12 and the second uniform pressure coil 13 are respectively connected and fixed with the moving rod through slings, so that the first uniform pressure coil 12 and the second uniform pressure coil 13 can move in the vertical direction, and the first uniform pressure coil 12 and the second uniform pressure coil 13 can be assembled and disassembled by adjusting the slings;

the plate at the upper end of the cushion block is called a flying plate, the flying plate is a thin plate, and the plate at the lower end of the cushion block is called a base plate. The position of the cushion block corresponds to the pressing position of the outer guide groove;

in the impact process, the outer guide groove fully compresses the flying plate at the upper end of the cushion block, so that a closed loop is formed, and a magnetic field is gathered in the outer guide groove;

the cushion block enables a certain distance to be generated between the flying plate and the substrate, and impact compounding is facilitated. The square limiting holes can prevent the plate from swinging up and down during feeding. The lifting device can realize the up-and-down movement of the plate;

the feeding device is positioned at the left end of the lifting workbench, the bottom end of the feeding device is provided with a moving wheel which is convenient to move at any position, one end of the moving wheel is provided with a formulating device which can fix the feeding device at a required position, and the upper end of the moving wheel is provided with a vertical lifting mechanism which can control the up-and-down movement of a coil stock and is convenient to control the plate to enter the workbench from a square limiting hole;

the feeding device feeds materials by rotating and receives materials by rotating, and the two plates move in the horizontal direction of the working platform by utilizing the rotation during feeding and the rotation during receiving, so that the first uniform pressure coil and the second uniform pressure coil are in cyclic reciprocating impact combination conveniently;

the main frame unit comprises a bottom frame, a vertical frame, a supporting frame and a moving rod;

the vertical frame is arranged on the bottom frame, the supporting frame is connected with the vertical frame to play a role in supporting and fixing, and the two ends of the moving rod are connected with the vertical frame through the connecting device, so that the vertical movement is realized.

In the present application, the first uniform voltage coil may be a uniform voltage coil of a solenoid coil, as shown in fig. 12.

The outer guide groove is made of copper with good conductivity, the plate is compressed in the impact compounding process, the magnetic field is gathered by forming a closed loop, and the impact compounding process is realized more efficiently.

The second embodiment is as follows: the present embodiment is described with reference to fig. 2 and 4, and is further limited to the laminated board magnetic pulse composite forming apparatus according to the first embodiment, in the present embodiment, the main frame unit 28 includes 2 rotating electric machines 1, a moving rod 2, a square nut 3, 2 vertical guide rails 4, 2 vertical frames 5, 2 adjusting screws 6, a base 14, 2 first sliding blocks 28-1, and 2 square frame structures 28-2;

2 upright frames 5 are arranged on the base 14 and positioned at two sides of the base 14 and fixedly connected with the base 14, 2 upright guide rails 4 are oppositely arranged on the inner walls of the 2 upright frames 5, rectangular through holes are respectively arranged in the 2 upright frames 5 and the 2 upright guide rails 4 along the vertical direction and provide space for the up-and-down movement of the movable rod 2, two ends of the movable rod 2 are respectively sleeved with 1 first slide block 28-1, and each first slide block 28-1 is connected with the upright guide rail 4 in a sliding way,

2 adjusting screws 6 are arranged on the base 14 and positioned on the outer side of each vertical frame 5, each square frame structure 28-2 is connected with the upper part of the outer side wall of 1 vertical frame 5, a rotating motor 1 is placed in each square frame structure 28-2, the rotating motor 1 is fixed with one side wall of each square frame structure through a fixing bolt, the bottom of each square frame structure 28-2 is provided with a through hole, and a rotating shaft of the rotating motor 1 penetrates through the through hole to be connected with the top of each adjusting screw 6;

each adjusting screw 6 is sleeved with a square nut 3, two ends of the moving rod 2 penetrate through the rectangular through holes to be fixedly connected with the side walls of the square nuts 3, and the rotating motor 12 rotates simultaneously to drive the adjusting screws 6 to rotate, so that the square nuts 3 on the adjusting screws 6 2 drive the moving rod 2 to move up and down simultaneously;

1 insulating layer 31-3 is arranged between the first uniform pressure coil 12 and the moving rod 2, and 1 insulating layer 31-3 is arranged between the second uniform pressure coil 13 and the moving rod 2.

In the present embodiment, the main frame unit 28 is used as follows:

step one, when a switch of a rotating motor is closed, a rotating shaft of the rotating motor rotates, and an adjusting screw rod is connected with the rotating motor and rotates simultaneously;

the square nut is rotationally connected with the adjusting screw rod, the square nut moves downwards along with the rotation of the adjusting screw rod, and the square nut and the moving rod are of an integral structure, and the sliding block and the vertical guide rail are in sliding connection, so that the moving rod descends;

when a switch of the rotating motor is closed, a rotating shaft of the rotating motor rotates, and the adjusting screw rod is connected with the rotating motor and rotates simultaneously;

and step four, the square nut is rotatably connected with the adjusting screw, the square nut moves upwards along with the rotation of the adjusting screw, and the square nut and the moving rod are of an integral structure and the sliding block and the vertical guide rail are in sliding connection, so that the moving rod is lifted.

As shown in fig. 11, the cable clamp 8 is fastened to the moving rod 2, the cable clamp 8 is fixed to the moving rod 2 by a pin, and a circular groove is formed in the upper surface of the cable clamp 8 and used for placing a sling 10;

the three-dimensional structures of the first uniform pressure coil 12 and the second uniform pressure coil 13 are shown in fig. 12 and 13, two ends of the first uniform pressure coil 12 and the second uniform pressure coil 13 are fixedly connected with the sling 10, so that the first uniform pressure coil 12 and the second uniform pressure coil 13 can move up and down, and the coils can be assembled, taken out and replaced by adjusting the sling 10;

the two ends of the first uniform pressure coil 12 and the second uniform pressure coil 13 are externally connected with a magnetic pulse forming device 8 for controlling the parameters of the magnetic pulse power supply for generating pulses;

the position where the cushion block 20 is placed corresponds to the position where the outer guide groove 11 is pressed down;

the outer guide groove 11 is made of copper with good conductivity, the flying plate is pressed in the impact compounding process, a closed loop is formed, the magnetic field is gathered, and the impact compounding process is realized more efficiently.

The third concrete implementation mode: in this embodiment, the laminated board magnetic pulse composite forming apparatus according to the second embodiment is further defined, in this embodiment, the main frame unit 28 further includes a support bar 7,

one end of the support rod 7 is connected with the outer wall of the vertical frame 5, the other end of the support rod 7 is positioned on the base 14, and the support rod 7 is used for fixedly supporting the vertical frame 5.

The fourth concrete implementation mode: in the present embodiment, the laminated board magnetic pulse composite forming device according to the first embodiment is further limited, and in the present embodiment, the working platform unit 29 includes a working platform 16, a board limiting block 29-1, a square motor 17, a booster 18, an expansion link 19, 3 cushion blocks 20, a second slider 21, a guide rail 29-2, 2 support rods 22, a square limiting hole 23, and 1 board isolating device 27;

the base 14 is provided with a groove, the guide rail 29-2 and the support rod 22 are arranged in the groove, the telescopic rod 19 is arranged on the guide rail 29-2, the 2 support rods 22 are arranged at two ends of the telescopic rod 19, the groove is used for positioning and buffering pressure generated when the telescopic rod 19 extends or contracts, the working platform 16 is arranged at the tops of the telescopic rod 19 and the support rods 22, and the support rods 22 are lifted along with the extension and contraction of the telescopic rod 19;

the bottom of each of the two ends of the telescopic rod 19 is provided with 1 square motor 17, power generated by 2 square motors 17 is used for controlling 1 booster 18 to move forwards or backwards respectively, when 2 boosters 18 move forwards, 2 second sliding blocks 21 are pushed to move oppositely on the guide rail 29-2, the two ends of the telescopic rod 19 connected with the 2 second sliding blocks are extruded, the telescopic rod 19 is extended to drive the working platform 16 to move upwards, and when 2 boosters 18 move backwards, 2 second sliding blocks 21 are pushed to move oppositely on the guide rail 29-2 to retract the support rod 19 to drive the working platform 16 to move downwards;

the plate limiting block 29-1 is vertically connected with the side wall of the working platform 16 close to the feeding unit 30, the plate limiting block 29-1 is flush with the bottom surface of the working platform 16, the plate limiting block 29-1 and the working platform 16 are of an integrated structure, two square limiting holes 23 are formed in the plate limiting block 29-1,

when the feeding unit 30 feeds 2 plates into the working platform 16, the 2 plates enter the working platform 16 through the two square limiting holes 23, and the two square limiting holes 23 prevent the 2 plates from swinging up and down, so that the plates stably enter the working platform 16;

the 3 cushion blocks 20 are arranged on the working platform 16 along the length direction of the working platform 16, the 3 cushion blocks 20 are named as a first cushion block 20-1, a second cushion block 20-2 and a third cushion block 20-3 in sequence from the end close to the feeding unit 30, the second cushion block 20-2 can be moved by the plate material isolating device 27,

the positions of the first cushion block 20-1 and the second cushion block 20-2 correspond to the pressing-down position of the outer guide groove 11 of the first uniform pressure coil 12, and the position of the third cushion block 20-3 corresponds to the pressing-down position of the outer bottom of the outer guide groove 11 of the second uniform pressure coil 13;

the 2 plates are named as a flying plate and a substrate respectively, the flying plate is positioned on the upper surfaces of the 3 cushion blocks 20, and the substrate is positioned on the lower bottom surfaces of the 3 cushion blocks 20;

the plate isolating device 27 is used for drawing the second cushion block 20-2 out from among the 2 plates after the plates are subjected to the first linear contact impact compounding, when the 2 plates extend into the upper end and the lower end of the third cushion block 20-3, the second cushion block 20-2 is placed at a position corresponding to the outer guide groove 11 of the second uniform pressure coil 13 by adopting the plate isolating device 27, and after the outer guide groove 11 of the second uniform pressure coil 13 compresses the flying plate, the first surface contact impact compounding is completed.

In the present embodiment, the 2 plates may be combined together by combining 2 plates of the same type, or by combining 2 plates of different types. The support rod 22 is a hydraulic support rod, and therefore, ascends and descends as the telescopic rod 19 extends and contracts.

When the first linear contact impact compounding is carried out, the first cushion block and the second cushion block are utilized to support the fly plate, and the fly plate corresponds to the outer guide groove of the first uniform pressure coil in position, so that the first linear contact impact compounding is completed; and when the first surface contact impact compounding is carried out, the second cushion block is moved to the position below the outer guide groove of the second uniform pressure coil, and the second cushion block and the third cushion block are utilized to support the flying plate, so that the first surface contact impact compounding is completed. The plate isolation device can extract the 3 cushion blocks respectively, so that after the composite plate is formed by compounding, the 3 cushion blocks are extracted through the plate isolation device respectively.

The working process of the working platform unit 29 is as follows:

1. a groove is formed above the base 14 or a concave base is formed above the base 14, the concave base and the base 14 are fixed through a set screw, a slide rail and a telescopic rod 19 are arranged in the concave base or the groove to position and buffer pressure generated by the telescopic rod 19 during lifting, a square motor 17 is arranged below the telescopic rod 19, and power generated by the square motor is used for controlling the movement of the booster 18;

2. the connection mode of the sliding blocks 21 and the guide rails is as shown in fig. 5, a support rod 19 is connected between the upper and lower sliding blocks 21, and the support rod 19 can move up and down through telescopic change. The square motor 17 controls the advancing and retreating of the booster 18, and when the booster 18 advances, the sliding block 21 is pushed to move towards the middle, so that the supporting rod 19 is lifted, and meanwhile, the telescopic rod 19 extends to realize the upward movement of the working platform 16. When the booster 18 retreats, the sliding block 21 moves towards the two ends, so that the supporting rod 19 is lowered, meanwhile, the telescopic rod 19 contracts, the downward movement of the working platform 16 is realized, and the change of the upper direction and the lower direction of the working platform 16 is completed through the movement of the booster 18 in the horizontal direction;

3. as shown in fig. 6, a hand-operated screw is arranged at the rear end of the second cushion block, the three cushion blocks 20 are all made of insulating materials, and the hand-operated screw penetrates through the center of the second cushion block and is fixedly mounted through a nut. And pulling the hand-pulling screw rod to move the front position and the rear position of the second cushion block. Pulleys are arranged above and below the working platform 16, the second cushion block can move in the horizontal direction of the working platform 16 through the pulleys, and the rotating head is further arranged, so that the second cushion block can rotate by 360 degrees. Firstly, the second cushion block is moved backwards by using a hand-pulling screw rod, then the second cushion block is rotated into a state parallel to the working platform 16 by using a rotating head, the position of the second cushion block is changed by matching the hand-pulling screw rod and the rotating head, and the whole action state of moving the second cushion block out is shown in figures 7 to 9;

4. as shown in fig. 10, two square limiting holes 23 are formed at one end of the working platform, and when the plate to be impacted is fed into the working platform by the coiler, the plate is prevented from swinging up and down through the square limiting holes, so that the plate can stably enter the working platform.

The fifth concrete implementation mode: in this embodiment, the laminated board magnetic pulse composite forming device according to the fourth embodiment is further defined, in this embodiment, the board material isolation device 27 includes a hand-pulling screw 27-1, a nut 27-2, 2 pulleys 27-3, a cushion block bracket 27-4 and a rotating head 27-5,

the cushion block bracket 27-4 is positioned on the base 14 behind the working platform 16 and faces the second cushion block 20-2, a groove is formed in the side wall of the cushion block bracket 27-4, the upper inner wall and the lower inner wall of the groove are respectively connected with a pulley 27-3, the working platform 16 enters the groove through the pulley 27-3, the upper end of the cushion block bracket 27-4 is provided with a hole, the bottom of the rotating head 27-5 is inserted into the hole, the rotating head 27-5 can rotate in the hole, the upper part of the rotating head 27-5 is provided with a through hole along the horizontal direction, the hand-pulling screw 27-1 sequentially penetrates through the through hole along the horizontal direction and the central position of the cushion block 20 to be fixedly connected with the nut 27-2, the hand-pulling screw 27-1 is pulled to drive the second cushion block 20-2 to be pulled out partially, and then the hand-pulling screw 27-1 horizontally rotates 90 degrees along the rotating head 27-5, the hand-pulling screw 27-1 drives the second cushion block 20-2 to rotate out from the right end of the second cushion block 20-2.

The sixth specific implementation mode: in this embodiment, the laminated board magnetic pulse composite forming apparatus according to the fifth embodiment is further defined, and in this embodiment, the feeding unit 30 includes 2 vertical lifting mechanisms 25, a moving device 26, a preparation device 24, and a control system;

the moving device 26 is arranged close to the plate limiting block 16-1, the 2 vertical lifting mechanisms 25 are arranged on the moving device 26, the formulating device 24 is used for fixing the moving device 26, and the control system is arranged on the moving device 26;

each vertical lifting mechanism 25 is fixed with a cylindrical guide connecting rod 25-1, each cylindrical guide connecting rod 25-1 is sleeved with 1 material rolling device 25-2, each material rolling device 25-2 is rolled with a plate material, and the control system is used for controlling each cylindrical guide connecting rod 25-1 to move up and down along the respective vertical lifting mechanism 25, so that 2 plate materials are respectively placed on the working platform 16 and the cushion block 20.

In the embodiment, the position of the material coiling device on the vertical lifting mechanism 25 is adjusted to ensure that the plate sent into the workbench is kept in a horizontal state as much as possible, so that the plate is prevented from being broken and damaged due to multi-angle inclination;

the moving means 26 comprise a moving wheel and the setting means 24 comprise an adjusting bolt, as shown in fig. 1.

The use method of the feeding unit 30 is as follows:

1. the feeding unit is pushed and moved to a position close to the working platform through the moving wheel;

2. rotating the adjusting bolt to enable the trapezoidal table at the lower end of the adjusting bolt to be in contact with the ground and fixed, and finishing formulation;

3. adjusting the height of the material rolling device;

wherein, formulating device 24 distributes and locates the one end of mobile device 26, and the adjusting bolt lower extreme in formulating device 24 is equipped with trapezoidal platform, has increased the area of contact with ground, makes the parking of pay-off unit more stable.

The seventh embodiment: the magnetic pulse composite forming device of the fifth embodiment is further defined in the present embodiment, and in the present embodiment, the magnetic pulse forming device 8 includes a high voltage transformer, a high voltage rectifier, a charging resistor, a discharging capacitor, and a switch;

the primary of the high-voltage transformer is connected with a power supply, one end of the secondary of the high-voltage transformer is connected with one end of the high-voltage rectifier, the other end of the secondary of the high-voltage transformer is connected with the other end of the rectifier, one end of the high-voltage rectifier is connected with one end of the charging resistor, the other end of the charging resistor is simultaneously connected with one end of the switch and the power ground, and the other end of the switch is connected with the other end of the rectifier.

The specific implementation mode is eight: the magnetic pulse composite forming device for the laminated plate according to the first embodiment is further defined, and in the present embodiment, the device further comprises a material dragging trolley 15,

and the material dragging trolley 15 is used for transporting the laminated plate formed by compounding the 2 plates.

The specific implementation method nine: the present embodiment is a composite forming method implemented by the laminate magnetic pulse composite forming apparatus according to the sixth embodiment, and further, in the present embodiment, the method includes the steps of:

step 1, respectively placing each plate on 1 material rolling device 25-2, controlling the height of the 2 material rolling devices 25-2 by using a control system, controlling the 2 material rolling devices 25-2 to rotate, enabling the other ends of the two plates to respectively penetrate through 1 square limiting hole 23 and respectively extend into the upper end and the lower end of a second cushion block 20-2, and controlling the 2 material rolling devices 25-2 to stop working;

step 2, starting 2 rotating motors 1, simultaneously driving 2 adjusting screws 6 to rotate, and enabling 2 square nuts 3 and moving rods 2 to simultaneously move downwards along the adjusting screws 6, so as to drive the magnetic pulse impact unit 31 to move downwards, opening the magnetic pulse impact unit 31 to electrify the first uniform pressure coil 12, and enabling the first uniform pressure coil 12 to generate instant electromagnetic force to act on the flying plate between the first cushion block 20-1 and the second cushion block 20-2, so that the flying plate between the first cushion block 20-1 and the second cushion block 20-2 moves downwards, and further enabling the flying plate and the substrate to be subjected to line contact impact compounding;

step 3, reversely starting the 2 rotating motors 1, and simultaneously driving the 2 adjusting screw rods 6 to rotate, so that the 2 square nuts 3 and the moving rod 2 simultaneously move upwards along the adjusting screw rods 6, thereby driving the magnetic pulse impact unit 31 to move upwards, and separating the magnetic pulse impact unit 31 from the flying plate;

step 4, the second cushion block 20-2 is moved away by using the plate isolation device 27;

step 5, controlling 2 material winders 25-2 to continuously rotate by using a control system, respectively moving the other ends of the 2 plates subjected to the line contact impact compounding in the step 2 to a third cushion block 20-3 and a working platform 16, and then placing a second cushion block 20-2 at the pressing position of an outer guide groove of a second uniform pressure coil 13;

step 6, starting 2 rotating motors 1, simultaneously driving 2 adjusting screws 6 to rotate, and enabling 2 square nuts 3 and the moving rod 2 to move downwards together, so as to drive the magnetic pulse impact unit 31 to move downwards to press the flying plate, opening the magnetic pulse impact unit 31 to electrify the second uniform pressure coil 13, at the moment, an outer guide groove 11 of the second uniform pressure coil 13 presses downwards on a second cushion block 20-2 and a third cushion block 20-3, and at the moment, the flying plate and the substrate which are arranged at the upper end and the lower end of the second cushion block 20-2 and the third cushion block 20-3 are subjected to surface contact impact compounding by one end of the second uniform pressure coil 13, which is subjected to online contact impact compounding;

step 7, moving the magnetic pulse impact unit 31 upwards, removing the second cushion block 20-2, turning the material coiling device, moving one end compounded in the step 6 to the position below the first uniform pressure coil 12, moving the magnetic pulse impact unit 31 downwards, pressing the flying plate, and performing line contact impact compounding on one end of the opposite contact impact compounding;

and 8, repeating the steps 3, 5, 6 and 7, finishing the compounding of the plates with the whole length by adopting line-surface alternate impact compounding formed by line-contact impact compounding and surface-contact impact compounding, and conveying the compounded composite plates by using a material dragging trolley 15.

In the embodiment, in the step 1, the coil stock is fed through the square limiting hole, and the feeding is stopped when the plate is placed at the position of the second cushion block; the working platform is moved upwards to enable the flying plate to be fully pressed against the guide groove, and when the working platform moves upwards, the coil stock also moves upwards to enable the plate to be impacted to be kept in a straight state as much as possible.

Step 1 is explained: placing a coil on a cylindrical guide connecting rod, stopping a feeding device at one end of a working platform, starting a plate from the lower part of the coil, then rotating a coil feeder to enable the plate to start feeding through a square limiting hole 23, adjusting the height of the coil feeder to enable the plate to keep a straight state as much as possible, sending one end of the plate to the position of a second cushion block on the working platform 16, and stopping feeding;

between step 1 and step 2 also include:

the power supply of the square motor 17 is turned on, the booster 18 starts to generate acting force to push the slide block 21, so that the working platform moves upwards 16, and after the flying plate is sufficiently tightly pressed with the outer guide groove 11, the movement of the working platform 16 is stopped. At this time, the outer guide groove 11 is tightly contacted with the flying plate to form a closed loop, so that the magnetic field is gathered in the outer guide groove 11, namely the position for placing the first uniform pressure coil 12, and the subsequent impact compounding process is more efficient; when the working platform moves upwards to 16 directions, the upward movement of the coil stock needs to be controlled, the sent plate is kept in a good straight state as much as possible, and the plate is prevented from being inclined at multiple angles near the square limiting hole 23, so that the plate is damaged;

step 2 is explained: opening the magnetic pulse forming equipment 8, firstly electrifying the first uniform voltage coil 12, generating a strong electromagnetic field by the first uniform voltage coil 12 and contacting with a small area of a plate to be impacted, and enabling the instantaneous electromagnetic force to act on the fly plate to enable the fly plate to start to move downwards after being stressed and to be compounded with the base plate so as to enable the fly plate and the base plate to be in impact welding with a small area;

step 3 is explained: turning on a power supply of the rotating motor 1, and rotating the adjusting screw 6 to enable the moving rod 2 to drive the outer guide groove 11 to move upwards, so that the outer guide groove 11 and the plate keep a certain interval, and the plate can be conveniently moved later;

step 4 is explained: pulling a hand-operated screw at the rear end of the middle cushion block 20 to enable the middle cushion block 20 to move in the direction of separating from the plates, and then rotating a rotating device at the rear of the middle cushion block 20 to take the middle cushion block 20 out of the space between the two plates;

step 5 is explained: controlling a feeding device to enable a coiler to rotate to feed materials, enabling two plates to move towards the lower part of a second uniform pressure coil 13, stopping when a small-area impact welding part is arranged at the lower end of the second uniform pressure coil 13, placing a middle cushion block 20 at the pressing position of an outer guide groove 11 of the second uniform pressure coil 13 again, and then controlling a rotating motor 1 to enable a moving rod 2 to move downwards to enable the outer guide groove 11 and a flying plate to continuously keep a fully compressed state;

step 6 is explained: then, the magnetic pulse forming equipment 8 is turned on to electrify the second uniform voltage coil 13, the second uniform voltage coil 13 generates a strong electromagnetic field and is in contact with a plate to be impacted in a larger area, and instant electromagnetic force acts on the fly plate, so that the fly plate starts to move downwards after being stressed and is fully impacted and compounded with the substrate, and the large-area impact compounding is carried out on one end of the fly plate, which is subjected to impact welding, of the substrate;

step 7 is explained: moving the moving rod upwards slightly, taking out the second cushion block, receiving materials by utilizing the rotation of the feeding device, moving one end of the composite board impacted by the first linear contact to the position below the first uniform pressure coil, and then moving the moving rod 2 downwards to enable the outer guide groove and the flying plate to keep a fully compressed state; the method adopts a mode of alternately circulating line contact impact compounding and surface contact impact compounding to realize compounding of the plates with the whole length. If the first uniform voltage coil 12 and the second uniform voltage coil 13 have problems or other reasons during operation, the first uniform voltage coil 12 and the second uniform voltage coil 13 need to be replaced, and the uniform voltage coils can be replaced by adjusting the sling 10.

The line contact impact compounding is small-area impact compounding, the surface contact impact compounding is large-area impact compounding on 2 plates, so that the composite plate formed by compounding the whole length plates in an alternate circulating mode of line contact impact compounding and surface contact impact compounding is more compact in connection, and the effect is better.