CN212310626U - Horizontal rivetless connecting and shaping device based on local resistance heating mode - Google Patents

Abstract

A horizontal rivet-free connecting and shaping device based on a local resistance heating mode mainly comprises a base, a rivet-free male die mechanism, a rivet-free female die mechanism, a shaping male die mechanism, a shaping female die mechanism and the like. The invention adopts a mode of combining the rivetless connecting device and the shaping device to realize the rivetless connecting thermoforming and shaping between the plates. The sliding table moves in the horizontal direction on the screw rod, and the height of the clamp assembly in the vertical direction is adjusted, so that the rivetless connection and the shaping of the plate at the designated position are realized; by designing the edge pressing device for locally heating the flange plate, the high-yield plate at the end of the riveting-free female die can be heated to a specified temperature, so that the plasticity of the riveting position of the plate is improved; according to the invention, materials which are difficult to rivet are heated by adopting local resistance heating, so that the deformation resistance of the riveting position of the plate is reduced; the riveting-free connection and shaping integrated mode is adopted, so that the accurate hot forming of the connection part between the plates is realized, the attractiveness of the formed joint is improved, and the joint strength is improved.

Description

Horizontal rivetless connecting and shaping device based on local resistance heating mode

Technical Field

The utility model relates to a horizontal rivetless connection and shaping device based on local resistance heating mode, specifically speaking relates to a rivetless connection shaping and shaping device for household electrical appliances manufacturing and automotive industry, belongs to metal plastic forming technical field.

Background

The rivetless connection process has very wide application in household appliance manufacturing and automobile assembly, such as automobile instrument frames, automobile skylight steel-aluminum frameworks, automobile doors, dentist machine shells, fan shells, refrigerator doors and the like. With the increasingly wide application of the new generation of high-strength light materials and the characteristics of rapid development, low cost and the like of modern products, the connection of parts is required to reduce energy consumption, working procedures and working hours as much as possible, reduce production cost and improve production efficiency.

The high-strength steel plate has the defects of large deformation resistance of a riveting position, large resilience, low ductility and the like at room temperature, but the aluminum alloy is difficult to bear high temperature, and the aluminum alloy and the high-strength steel are connected without riveting under the heating condition to obtain a high-strength joint, but the high-strength joint has the following problems:

firstly, at normal temperature, the heterogeneous metal sheets are difficult to connect, the difficulty degree of the rivet-free connection of the two plates with larger yield difference is obvious, the neck of the low-yield plate is pre-fractured at the riveting position, and the problem that the high-yield plate does not generate plastic deformation in the whole forming process can also occur;

secondly, the heating modes of the rivet-free plastic connection are various, the riveting position difficulty of the local heating steel plate is higher, and the local heating devices of the rivet-free plastic connection are fewer and need to be improved;

thirdly, the bottom of the joint obtained by the rivetless connection is more prominent, and the research on the automatic shaping device for improving the strength of the joint after the hot riveting is less.

In order to solve the problem existing in the above-mentioned rivetless connection, the utility model discloses a horizontal rivetless connection and shaping device based on local resistance heating mode, "the device comprises horizontal rivetless connection device, local resistance heating system, horizontal shaping device, has improved the connection performance of high strength panel and low strength panel effectively.

Because the local heating of riveting position is aimed at, the device has the characteristics of high heating speed and easy temperature control. At present, the riveting-free connecting and shaping equipment for connecting plates is mainly a single riveting press, but has a lot of defects, for example, the riveting press needs to switch a die back and forth during the riveting-free connecting and shaping, in addition, the riveting press does not adopt a local heating measure, the periphery of a local heating position is not subjected to heat insulation treatment, and the like. Therefore, it is necessary to change the current situation and design a new device.

The utility model discloses a combination of local heating mode's no riveting connection and plastic has reduced the resistance to plastic deformation of panel riveting position, reduces the change number of times of mould, realizes the automatic cooperation of no riveting connection and plastic to reduce and proofread the punch-die number of times again, reduced the error, improved attach fitting's intensity.

In summary, it is necessary to design a rivet-free connecting and shaping device under heating for connecting plates with large strength difference, so as to effectively connect plates with large strength difference and improve the joint strength.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the horizontal rivet-free connecting and shaping device based on the local resistance heating mode is used for solving the problems of difficult connection and automatic shaping of plates with large strength difference at normal temperature, such as high-strength steel materials.

The utility model provides a horizontal rivetless connecting and shaping device based on a local resistance heating mode, which is characterized in that the device mainly comprises a base, a rivetless male die mechanism, a rivetless female die mechanism, a shaping male die mechanism, a shaping female die mechanism and the like, and the rivetless connecting device and the shaping device are combined to realize the rivetless connecting thermoforming and the joint shaping between plates; the sliding table moves in the horizontal direction on the screw rod, and the height of the clamp assembly in the vertical direction is adjusted, so that the free rivet-free connection and shaping of the plate at the designated position are realized; by designing the edge pressing device for locally heating the flange plate, the high-yield plate at the end of the rivet-free female die is heated to a specified temperature, so that the plasticity of the connecting piece is improved; the utility model adopts local resistance heating to heat the material which is difficult to rivet, thus reducing the deformation resistance of the riveting position of the plate; the riveting-free connection and shaping integrated mode is adopted, so that the accurate hot forming of the connection part between the plates is realized, the attractiveness of the formed joint is improved, and the joint strength is improved.

Drawings

FIG. 1: an axonometric view of a horizontal rivetless connecting and shaping device based on a local resistance heating mode.

FIG. 2: the utility model discloses a base subassembly structure schematic diagram.

FIG. 3: the utility model discloses a base structure axonometric drawing.

FIG. 4: the utility model discloses a slip table subassembly structure sketch map.

FIG. 5: the utility model discloses a do not have terrace die mechanism structure schematic diagram of riveting.

FIG. 6: the utility model discloses an inboard subassembly structure sketch map of curb plate a.

FIG. 7: the utility model discloses a die mechanism subassembly schematic structure is riveted to nothing.

FIG. 8: the utility model discloses a thermal-insulated blank holder subassembly structure schematic diagram.

FIG. 9: the utility model discloses a shaping device axonometric drawing.

Wherein: 1. a base, 2, a rivetless male die mechanism, 3, a shaping female die mechanism, 4, a shaping male die mechanism, 5, a rivetless female die mechanism, 6, a sliding table, 7, a lead screw a, 8, a sliding rod connector, 9, a sliding rod a, 10, a motor a, 11, a supporting column, 12, a bearing connecting end, 13, a sliding rod fixing end, 14, a shaping mechanism controller, 15, a rivetless connecting mechanism controller, 16, a plate material a, 17, a clamp, 18, a connecting platform, 19, a sliding box, 20, a lifting oil cylinder, 21, a plate material b, 22, a lifting oil cylinder piston rod, 23, a lead screw guide hole, 24, a sliding rod connecting hole, 25, a side plate a, 26, a blank holder, 27, a rivetless male die, 28, a connecting plate, 29, a push-pull oil cylinder a, 30, a fixing seat a, 31, a gas-liquid cylinder a, 32, a rivetless male die guide head, 33, a rivetless male die telescopic head, 34, 36. 37 parts of heat insulation blank holder, 38 parts of rivet-free female die connector, 39 parts of rivet-free female die, 39 parts of slide bar b, 40 parts of lead screw b, 41 parts of bidirectional slide rail, 42 parts of motor b, 43 parts of motor fixing seat, 44 parts of heating head body, 45 parts of jack, 46 parts of flange plate heating ring, 47 parts of resistor, 48 parts of push-pull oil cylinder b, 49 parts of fixing seat b, 50 parts of push-pull oil cylinder c, 51 parts of side plate c, 52 parts of shaping female die guide head, 53 parts of shaping female die telescopic head, 54 parts of shaping female die, 55 parts of shaping male die, 56 parts of shaping male die telescopic head, 57 parts of shaping male die guide head, 58 parts of side plate d, 59 parts of fixing seat c, 60 parts of gas

Detailed Description

The present embodiment will be described with reference to the drawings and examples.

The utility model provides a horizontal no-rivet connection and shaping device based on local resistance heating mode, as shown in fig. 1, this equipment comprises base (1), no-rivet terrace die mechanism (2), no-rivet die mechanism (5), shaping die mechanism (3), shaping terrace die mechanism (4), and its relation of connection is as follows: the rivet-free male die mechanism (2) is arranged on the right front side of the base (1) through a side plate a (25) and a fixed seat a (30); the rivet-free female die mechanism (5) is arranged on the left front side of the base (1) through a sliding rod b (39) and a lead screw b (40), and forms an integral rivet-free connecting device with the rivet-free male die mechanism (2); the shaping female die mechanism (3) is arranged on the right rear side of the base (1) through a fixed seat c (59) and a side plate d (58); the shaping male die mechanism (4) is arranged on the left rear side of the base (1) through a fixed seat b (49) and a side plate c (51); under the linkage cooperation of the rivetless connecting and shaping device, the connection and shaping of the plate a (16) and the plate b (21) at the designated position are realized.

As shown in fig. 2 and 3, the base (1) mainly comprises a sliding table (6), a screw rod a (7), a sliding rod connector (8), a sliding rod a (9), a motor a (10), a supporting column (11), a bearing connecting end (12), a sliding rod fixed end (13), a shaping mechanism controller (14) and a rivetless connecting mechanism controller (15), and is specifically arranged as follows: the motor a (10) is arranged at the front end of the base (1); the screw rod a (7) is arranged on the base (1) and is connected with a motor a (10) on the front side of the base (1); the sliding table (6) is arranged on the lead screw a (7) and is connected with the sliding rods a (9) on two sides of the lead screw a (7), so that the sliding table (6) assembly can move stably on the lead screw a (7) as a whole; slide bars a (9) at two sides of the screw a (7) are arranged on the base (1) through slide bar connectors (8); the bearing connecting end (12) and the sliding rod fixing end (13) are distributed on the left front side of the base (1); the shaping mechanism controller (14) and the rivetless connecting mechanism controller (15) are respectively installed on the front right side and the rear right side of the base (1) to control the rivetless connecting device and the shaping device.

As shown in fig. 4, the sliding table (6) mainly comprises a clamp (17), a connecting platform (18), a sliding box (19), a lifting oil cylinder (20), a lifting oil cylinder piston rod (22), a lead screw guide hole (23) and a slide rod connecting hole (24), and is specifically arranged as follows: the sliding box (19) is arranged on a screw rod a (7) through a screw rod guide hole (23), and a sliding rod connecting hole (24) on the sliding box is connected with a sliding rod a (9) to realize the balance of the sliding table (6); the plate a (16) and the plate b (21) are arranged on the clamp (17), the plate a (16) is made of high-yield materials and is placed on one side close to the riveting-free female die mechanism (5), and the plate b (21) is placed on one side close to the riveting-free male die mechanism (2); the clamp (17) is arranged on the connecting platform (18) and can be freely detached so as to replace clamps (17) of different types; the connecting platform (18) is connected with 4 lifting oil cylinders (20) in the slide box (19) through 4 lifting oil cylinder piston rods (22), so that the connecting platform (18) can be lifted in the vertical direction, and the height of a riveting position can be adjusted; the up-down movement of the whole sliding table (6) realizes the convenience in feeding and the accuracy of riveting positions.

As shown in fig. 5 and 6, the rivet-free punch mechanism (2) mainly comprises a side plate a (25), a blank holder (26), a rivet-free punch (27), a connecting plate (28), a push-pull oil cylinder a (29), a fixing seat a (30), a pneumatic-hydraulic boosting cylinder a (31), a rivet-free punch guide head (32) and a rivet-free punch telescopic head (33), and is specifically arranged as follows: the rivet-free male die (27) is arranged on the rivet-free male die telescopic head (33), and the connection is the internal and external thread matching; the rivet-free male die telescopic head (33) is arranged in the rivet-free male die guide head (32) and is connected with the gas-liquid boosting cylinder a (31) on the outer side of the side plate a (25) to realize the punching process; the rivet-free male die guide head (32) is arranged on the inner side of the side plate a (25) and is matched with the rivet-free male die telescopic head (33); the gas-liquid boosting cylinder a (31) is arranged on the fixed seat a (30); the blank holder (26) is arranged on the connecting plate (28); the connecting plate (28) is connected with 4 push-pull oil cylinders a (29) on the outer side of the side plate a (25), so that the edge pressing effect during stamping is realized; the push-pull oil cylinder a (29) is arranged on the fixed seat a (30); the rivet-free male die mechanism (2) and the components thereof are arranged on the base (1) and matched with the rivet-free female die mechanism (5) to realize rivet-free connection of the plate a (16) and the plate b (21).

As shown in fig. 7 and 8, the rivet-free female die mechanism (5) mainly comprises a side plate b (34), a female die component fixing plate (35), a heat insulation blank holder (36), a rivet-free female die connector (37), a rivet-free female die (38), a push-pull oil cylinder b (48), a slide bar b (39), a screw b (40), a bidirectional slide rail (41), a motor b (42), a motor fixing seat (43), a heating head body (44), a flange heating ring (46) and a resistor (47), and is specifically arranged as follows: the rivet-free female die (38) is arranged on the rivet-free female die connector (37), and the connection is the internal and external thread matching; the rivet-free female die connector (37) is arranged on the female die component fixing plate (35); the female die component fixing plate (35) is arranged on the side plate b (34); the local heating device comprises a heat insulation blank holder (36), a flange plate heating ring (46), heating head bodies (44), jacks (45) and resistors (47), wherein the heating head bodies (44) are connected with the resistors (47) and are arranged on the flange plate heating ring (46) through the jacks (45), after the power supply is connected, the resistors (47) are electrified, and the local heating is realized after the heating head bodies (44) are contacted with the appointed riveting positions of the plate a (16); the flange heating ring (46) is arranged in the heat insulation blank holder (36), and the surface of the flange heating ring close to the sheet a (16) is flush with the heating head body (44); the heat insulation blank holder (36) is arranged on the side plate b (34) and is connected with a push-pull oil cylinder b (48) on the outer side of the side plate b (34) to realize the forward and backward movement of the heat insulation blank holder (36); the side plate b (34) is arranged on the screw rod b (40) and is connected with slide bars b (39) on two sides of the screw rod b (40), so that the movement and balance of the side plate b (34) in the horizontal direction are realized, and the adjustment of the riveting-free female die (38) in the horizontal direction is realized; the push-pull oil cylinder b (48) is arranged on the bidirectional slide rail (41), and the side plate b (34) moves along with the horizontal movement of the bidirectional slide rail b; the rivet-free female die mechanism (5) is arranged on the base (1) through a bearing connecting end (12) and a sliding rod fixing end (13); the mechanism solves the problem of difficult riveting of high-yield materials and low-yield materials through a designed local heating device.

As shown in fig. 9, the shaping punch mechanism (4) mainly comprises a shaping punch (55), a shaping punch telescopic head (56), a shaping punch guide head (57), a side plate d (58), a fixed seat c (59) and a gas-liquid boosting cylinder b (60), and is specifically arranged as follows: the shaping male die (55) is arranged on the shaping male die telescopic head (56), and the connection is the internal and external thread matching; the shaping male die telescopic head (56) is arranged on the shaping male die guide head (57) and is connected with the gas-liquid boosting cylinder b (60) to realize the forward and backward movement of the shaping male die (55); the shaping convex die guide head (57) is arranged on the side plate d (58); the gas-liquid boosting cylinder b (60) is arranged on the fixed seat c (59); shaping die mechanism (3) mainly comprise shaping die (54), shaping die flexible head (53), shaping die direction head (52), curb plate c (51), push-and-pull hydro-cylinder c (50) and fixing base b (49), and it specifically arranges as follows: the shaping female die (54) is arranged on the shaping female die telescopic head (53), and the connection is the internal and external thread matching; the shaping female die telescopic head (53) is arranged on the shaping female die guide head (52) and is connected with the push-pull oil cylinder c (50) to realize the horizontal adjustment of the shaping female die (54); the shaping concave die guide head (52) is arranged on the side plate c (51); the push-pull oil cylinder c (50) is arranged on the fixed seat b (49).

It will be understood that modifications and variations are possible in the art in light of the above teachings and all such modifications and variations are considered to be within the purview of the appended claims.

The examples are the rivetless joining process and the shaping process of the sheets.

Firstly, oil cylinders and gas-liquid boosting cylinders of four mechanisms are communicated, and the mechanisms and movable parts on the mechanisms are retreated to designated positions, namely initial positions, so that a die is convenient to install.

And secondly, switching on a motor b, moving a side plate b and a component thereof on the female die mechanism to a position far away from the base end through a lead screw b, and then adjusting a connecting platform on the sliding table to a lower height through a lifting oil cylinder.

Thirdly, sequentially mounting a rivet-free male die, a rivet-free female die, a shaping male die and a shaping female die of a specific model on a specific telescopic head of a die; installing a heat-insulating blank holder with a specific model on a rivetless female die mechanism, and inserting a resistor connected with a heating head body into an insertion hole; and a blank holder of a specific model is arranged on a connecting plate of the rivet-free male die mechanism.

And fourthly, arranging the sliding table near the rivet-free connecting device, and installing a clamp of a specific model on the sliding table according to the size of the rivet-free connecting plate.

And fifthly, mounting the sample plate a and the plate b to be connected on a clamp, wherein the riveting position of the high-yield plate a needs to be locally heated, so that the high-yield plate a is mounted on one side close to the riveting-free female die, the low-yield plate b is mounted on one side close to the riveting-free male die, and the clamp clamps the two sample plates.

Sixthly, lifting the fixture arranged on the connecting platform to a specified position through a lifting oil cylinder, so that the circle center of the rivetless connecting position and the circle center of the male die and the female die are positioned on the same horizontal plane; and starting a motor b, and driving the side plate b to move to the designated position of the left front side of the base by using the screw rod b so that the riveting-free female die is contacted with the plate a.

And seventhly, starting a push-pull oil cylinder b, pushing the heat-insulating blank holder to the same horizontal position of the rivet-free female die, namely, enabling a heating head body on the flange plate heating ring to be in contact with the riveting position on the plate a, starting a push-pull oil cylinder a on the rivet-free male die mechanism, pushing the blank holder to a specified position, enabling the blank holder to be in contact with the plate b, simultaneously starting the push-pull oil cylinder b and the push-pull oil cylinder a again, respectively giving smaller blank holding forces to the heat-insulating blank holder and the blank holder, enabling the riveting position of the plate a and the plate b to be tightly attached, and switching on a resistor to heat one.

And step eight, starting the gas-liquid boosting cylinder a, performing punching riveting on the male die at a specific speed, maintaining the pressure, withdrawing the original position, disconnecting the power supply, and withdrawing the female die, the heat-insulating blank holder and the blank holder to the original position after the joint is cooled.

Ninth, a motor a is started, a lead screw a is utilized to drive the sliding table to move to the designated position of the shaping convex-concave die mechanism, the shaping mechanism and a convex-concave die of the rivet-free connecting mechanism are positioned on the same horizontal plane, and the height of the clamp is unchanged; switching on a push-pull oil cylinder c, pushing the shaping female die to a specified position, and enabling the shaping female die to contact with a riveting position; and starting the gas-liquid boosting cylinder b to push the shaping male die, still pushing the shaping male die after contacting the bottom of the joint, maintaining the pressure after the shaping male die is pressed to a certain degree, and withdrawing the original position.

And step ten, starting a motor a, returning the sample on the sliding table to the original position, loosening the clamp, adjusting the plate, changing the riveting position, continuing the steps, and finishing the plurality of rivetless connection joints and shaping the rivetless connection joints.

Claims (7)

1. The utility model provides a horizontal no riveting is connected and shaping device based on local resistance heating mode, characterized by, this equipment comprises base (1), no riveting punch mechanism (2), no riveting die mechanism (5), plastic die mechanism (3), plastic punch mechanism (4), and its relation of connection is as follows: the rivet-free male die mechanism (2) is arranged on the right front side of the base (1) through a side plate a (25) and a fixed seat a (30); the rivet-free female die mechanism (5) is arranged on the left front side of the base (1) through a sliding rod b (39) and a lead screw b (40), and forms an integral rivet-free connecting device with the rivet-free male die mechanism (2); the shaping female die mechanism (3) is arranged on the right rear side of the base (1) through a fixed seat c (59) and a side plate d (58); the shaping male die mechanism (4) is arranged on the left rear side of the base (1) through a fixed seat b (49) and a side plate c (51); under the linkage cooperation of the rivetless connecting and shaping device, the connection and shaping of the plate a (16) and the plate b (21) at the designated position are realized.

2. The horizontal rivetless connecting and shaping device based on the local resistance heating mode is characterized in that the base (1) mainly comprises a sliding table (6), a lead screw a (7), a sliding rod connector (8), a sliding rod a (9), a motor a (10), a supporting column (11), a bearing connecting end (12), a sliding rod fixing end (13), a shaping mechanism controller (14) and a rivetless connecting mechanism controller (15), and the horizontal rivetless connecting and shaping device is specifically arranged as follows: the motor a (10) is arranged at the front end of the base (1); the screw rod a (7) is arranged on the base (1) and is connected with a motor a (10) on the front side of the base (1); the sliding table (6) is arranged on the lead screw a (7) and is connected with the sliding rods a (9) on two sides of the lead screw a (7), so that the sliding table (6) assembly can move stably on the lead screw a (7) as a whole; slide bars a (9) at two sides of the screw a (7) are arranged on the base (1) through slide bar connectors (8); the bearing connecting end (12) and the sliding rod fixing end (13) are distributed on the left front side of the base (1); the shaping mechanism controller (14) and the rivetless connecting mechanism controller (15) are respectively installed on the front right side and the rear right side of the base (1) to control the rivetless connecting device and the shaping device.

3. The horizontal rivet-free connecting and shaping device based on the local resistance heating mode is characterized in that the sliding table (6) mainly comprises a clamp (17), a connecting platform (18), a sliding box (19), a lifting oil cylinder (20), a lifting oil cylinder piston rod (22), a lead screw guide hole (23) and a sliding rod connecting hole (24), and is specifically arranged as follows: the sliding box (19) is arranged on a screw rod a (7) through a screw rod guide hole (23), and a sliding rod connecting hole (24) on the sliding box is connected with a sliding rod a (9) to realize the balance of the sliding table (6); the plate a (16) and the plate b (21) are arranged on the clamp (17), the plate a (16) is made of high-yield materials and is placed on one side close to the riveting-free female die mechanism (5), and the plate b (21) is placed on one side close to the riveting-free male die mechanism (2); the clamp (17) is arranged on the connecting platform (18) and can be freely detached so as to replace clamps (17) of different types; the connecting platform (18) is connected with 4 lifting oil cylinders (20) in the slide box (19) through 4 lifting oil cylinder piston rods (22), so that the connecting platform (18) can be lifted in the vertical direction, and the height of a riveting position can be adjusted; the up-down movement of the whole sliding table (6) realizes the convenience in feeding and the accuracy of riveting positions.

4. The horizontal rivetless connecting and shaping device based on the local resistance heating mode is characterized in that the rivetless punch mechanism (2) mainly comprises a side plate a (25), a blank holder (26), a rivetless punch (27), a connecting plate (28), a push-pull oil cylinder a (29), a fixed seat a (30), a gas-liquid boosting cylinder a (31), a rivetless punch guide head (32) and a rivetless punch telescopic head (33), and the arrangement is as follows: the rivet-free male die (27) is arranged on the rivet-free male die telescopic head (33), and the connection is the internal and external thread matching; the rivet-free male die telescopic head (33) is arranged in the rivet-free male die guide head (32) and is connected with the gas-liquid boosting cylinder a (31) on the outer side of the side plate a (25) to realize the punching process; the rivet-free male die guide head (32) is arranged on the inner side of the side plate a (25) and is matched with the rivet-free male die telescopic head (33); the gas-liquid boosting cylinder a (31) is arranged on the fixed seat a (30); the blank holder (26) is arranged on the connecting plate (28); the connecting plate (28) is connected with 4 push-pull oil cylinders a (29) on the outer side of the side plate a (25), so that the edge pressing effect during stamping is realized; the push-pull oil cylinder a (29) is arranged on the fixed seat a (30); the rivet-free male die mechanism (2) and the components thereof are arranged on the base (1) and matched with the rivet-free female die mechanism (5) to realize rivet-free connection of the plate a (16) and the plate b (21).

5. The horizontal rivetless connecting and shaping device based on the local resistance heating mode of claim 1 is characterized in that the rivetless female die mechanism (5) mainly comprises a side plate b (34), a female die component fixing plate (35), a heat insulation blank holder (36), a rivetless female die connector (37), a rivetless female die (38), a push-pull oil cylinder b (48), a sliding rod b (39), a screw rod b (40), a bidirectional sliding rail (41), a motor b (42), a motor fixing seat (43), a heating head body (44), a flange heating ring (46) and a resistor (47), and the specific arrangement is as follows: the rivet-free female die (38) is arranged on the rivet-free female die connector (37), and the connection is the internal and external thread matching; the rivet-free female die connector (37) is arranged on the female die component fixing plate (35); the female die component fixing plate (35) is arranged on the side plate b (34); the local heating device comprises a heat insulation blank holder (36), a flange plate heating ring (46), heating head bodies (44), jacks (45) and resistors (47), wherein the heating head bodies (44) are connected with the resistors (47) and are arranged on the flange plate heating ring (46) through the jacks (45), after the power supply is connected, the resistors (47) are electrified, and the local heating is realized after the heating head bodies (44) are contacted with the appointed riveting positions of the plate a (16); the flange heating ring (46) is arranged in the heat insulation blank holder (36), and the surface of the flange heating ring close to the sheet a (16) is flush with the heating head body (44); the heat insulation blank holder (36) is arranged on the side plate b (34) and is connected with a push-pull oil cylinder b (48) on the outer side of the side plate b (34) to realize the forward and backward movement of the heat insulation blank holder (36); the side plate b (34) is arranged on the screw rod b (40) and is connected with slide bars b (39) on two sides of the screw rod b (40), so that the movement and balance of the side plate b (34) in the horizontal direction are realized, and the adjustment of the riveting-free female die (38) in the horizontal direction is realized; the push-pull oil cylinder b (48) is arranged on the bidirectional slide rail (41), and the side plate b (34) moves along with the horizontal movement of the bidirectional slide rail b; the rivet-free female die mechanism (5) is arranged on the base (1) through a bearing connecting end (12) and a sliding rod fixing end (13); the mechanism solves the problem of difficult riveting of high-yield materials and low-yield materials through a designed local heating device.

6. The horizontal rivetless connecting and shaping device based on the local resistance heating mode is characterized in that the shaping male die mechanism (4) mainly comprises a shaping male die (55), a shaping male die telescopic head (56), a shaping male die guide head (57), a side plate d (58), a fixed seat c (59) and a gas-liquid boosting cylinder b (60), and is specifically arranged as follows: the shaping male die (55) is arranged on the shaping male die telescopic head (56), and the connection is the internal and external thread matching; the shaping male die telescopic head (56) is arranged on the shaping male die guide head (57) and is connected with the gas-liquid boosting cylinder b (60) to realize the forward and backward movement of the shaping male die (55); the shaping convex die guide head (57) is arranged on the side plate d (58); the gas-liquid boosting cylinder b (60) is arranged on the fixed seat c (59).

7. The horizontal rivetless connecting and shaping device based on the local resistance heating mode of claim 1 is characterized in that the shaping female die mechanism (3) mainly comprises a shaping female die (54), a shaping female die telescopic head (53), a shaping female die guide head (52), a side plate c (51), a push-pull oil cylinder c (50) and a fixed seat b (49), and is specifically arranged as follows: the shaping female die (54) is arranged on the shaping female die telescopic head (53), and the connection is the internal and external thread matching; the shaping female die telescopic head (53) is arranged on the shaping female die guide head (52) and is connected with the push-pull oil cylinder c (50) to realize the horizontal adjustment of the shaping female die (54); the shaping concave die guide head (52) is arranged on the side plate c (51); the push-pull oil cylinder c (50) is arranged on the fixed seat b (49).

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