High-precision automobile floor cross beam punch forming device

Abstract

The invention discloses a high-precision automobile floor cross beam punch forming device which comprises a heating furnace used for heating a material plate to be formed; the forming die comprises a female die and a male die, a first upper cooling liquid flow channel is formed in the male die, one end of the first upper cooling liquid flow channel is connected with a first liquid supply connector, and the other opposite end of the first upper cooling liquid flow channel is connected with a first closed male connector which is fixedly installed on the lower side surface of the male die. The female die is provided with a first closed female connector corresponding to the first closed male connector in position. The main cooling module comprises a main cold source, a main liquid supply pipeline and a main liquid return pipeline; the first carrying robot is used for carrying the to-be-formed material plate to the female die from the heating furnace. Compared with the prior art, the problems that the production efficiency is low and the die cost is high when the new energy automobile floor cross beam is formed through an existing drawing process are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy automobile body, and particularly relates to a high-precision automobile floor beam stamping forming device. BACKGROUND

[0002] The body of a new energy automobile is the basis of the safety, comfort, reliability and other aspects of the performance of the whole vehicle. Among them, the front floor beam has a significant impact on the crash safety, torsional stiffness and seat installation of the whole vehicle.

[0003] The current automobile floor beam is mainly formed by drawing process, which has low production efficiency, so that when the floor beam is produced in large quantities, the number of molds has to be increased, resulting in increased mold cost. SUMMARY

[0004] The purpose of the present application is to provide a high-precision automobile floor beam stamping forming device to solve the problems of low production efficiency and high mold cost in the existing drawing process forming new energy automobile floor beam.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: a high-precision automobile floor beam stamping forming device, comprising:

[0006] A heating furnace for heating the material plate to be formed;

[0007] A forming die comprising a concave die and a convex die, the convex die is provided with a first upper cooling liquid flow channel, one end of the first upper cooling liquid flow channel is connected with a first liquid supply connector, and the opposite end is connected with a first closed female connector, the first closed female connector is fixedly installed on the lower side surface of the convex die, the concave die is provided with a first closed male connector corresponding to the first closed female connector, the first closed male connector is arranged in an installation cavity, the outer side of the first closed male connector is provided with a movable ring for unlocking and plugging, a control panel is fixedly installed on the outer side wall of the movable ring, a drive cylinder is fixedly installed in the concave die, a piston rod of the drive cylinder is connected with a toggle plate after passing through the control panel, the concave die is provided with a first lower cooling liquid flow channel, one end of the first lower cooling liquid flow channel is connected with a first liquid discharge connector, and the opposite end is connected with the first closed female connector;

[0008] A main cooling module comprising a main cold source, a main liquid supply pipeline and a main liquid return pipeline, the liquid outlet of the main cold source is connected with the first liquid supply connector through the main liquid supply pipeline, and the liquid return port of the main cold source is connected with the first liquid discharge connector through the main liquid return pipeline;

[0009] A first carrying robot for carrying the material plate to be formed from the heating furnace to the concave die.

[0010] Further description of the above technical scheme:

[0011] The first upper cooling liquid flow channel is provided with an S-shaped bending section.

[0012] As a further description of the above technical solution:

[0013] The main cooling module is provided with a sub-cooling module on one side, the sub-cooling module comprises a sub-cooling source, a sub-cooling liquid supply pipeline and a sub-cooling liquid return pipeline, a second upper cooling liquid flow channel is arranged in the male die, one end of the second upper cooling liquid flow channel is connected with a second liquid supply connector, and the other end opposite to the one end is connected with a second closed male connector, and the sub-cooling source is connected with the second liquid supply connector through the sub-cooling liquid supply pipeline.

[0014] As a further description of the above technical solution:

[0015] A first temperature sensor is arranged on the main liquid supply pipeline, and a second temperature sensor is arranged on the main liquid return pipeline.

[0016] As a further description of the above technical solution:

[0017] The male die is provided with a first forming male and a second forming male arranged in parallel, and the female die is provided with a first forming groove and a second forming groove arranged in parallel.

[0018] As a further description of the above technical solution:

[0019] The forming die is provided with a positioning jig on one side, the positioning jig is used for positioning the left floor beam and the right floor beam after forming, and a laser marker is arranged above the positioning jig, and the laser marker is used for laser etching forming time on the left floor beam and the right floor beam.

[0020] As a further description of the above technical solution:

[0021] The laser marker is fixedly installed on the sliding table of the linear module.

[0022] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0023] 1、In the present application, the automobile beam is processed by using the hot stamping forming process, compared with the drawing process forming, the production efficiency is improved, and compared with the traditional stamping process, the bending stiffness of the beam is improved by at least 40%, and the forming of the beam considers quality and efficiency.

[0024] 2、In the present application, the female die and the male die are spliced by using the existing closed quick connector, the first cooling circulation system composed of the main cooling source, the female die and the male die is conducted, the mold can be quickly cooled by a single cooling source, and the cooling liquid supply pipeline is simplified.

[0025] 3、The floor left cross beam and the floor right cross beam are processed simultaneously in the application, so that the microstructure distribution of the left and right cross beams is uniform, the mechanical property difference is small, the vehicle body stiffness is balanced, the collision energy can be effectively dispersed when the vehicle collides, local overload can be avoided, and the vehicle body safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0027] Fig. 1 It is a structural schematic diagram of a high-precision automobile floor cross beam stamping forming device.

[0028] Fig. 2 It is a structural schematic diagram of a forming die in a high-precision automobile floor cross beam stamping forming device.

[0029] Fig. 3 It is a sectional view of a forming die in a high-precision automobile floor cross beam stamping forming device.

[0030] LEGEND:

[0031] 1, heating furnace; 2, forming die; 21, concave die; 211, first closed female connector; 2111, movable ring; 2112, control plate; 212, driving cylinder; 2121, actuating plate; 213, first lower cooling liquid flow channel; 214, first liquid discharge connector; 215, second forming groove; 219, mounting cavity; 22, convex die; 221, first upper cooling liquid flow channel; 2211, bending section; 222, first liquid supply connector; 223, first closed male connector; 224, second liquid supply connector; 225, second forming male; 3, main cooling module; 31, main cold source; 32, main liquid supply pipeline; 33, main liquid return pipeline; 4, auxiliary cooling module; 41, auxiliary cold source; 42, auxiliary cold liquid supply pipeline; 43, auxiliary cold liquid return pipeline. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0033] The following detailed description of embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but merely represents selected embodiments of the application. Based upon the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the application.

[0034] Embodiment 1

[0035] Referring to Figs. 1-3 The application provides a technical solution: a high-precision automobile floor beam stamping forming device, comprising:

[0036] A heating furnace 1 for heating a to-be-formed material plate;

[0037] A forming die 2 comprising a female die 21 and a male die 22, the male die 22 is provided with a first upper cooling liquid flow channel 221, one end of the first upper cooling liquid flow channel 221 is connected with a first liquid supply connector 222, and the opposite end is connected with a first closed male connector 223, the first closed male connector 223 is fixedly installed on the lower side surface of the male die 22, the female die 21 is provided with a first closed female connector 211 corresponding in position to the first closed male connector 223, the first closed female connector 211 is arranged in an installation cavity 219, the outer side of the first closed female connector 211 is provided with a movable ring 2111 for unlocking and plugging, a control plate 2112 is fixedly installed on the outer side wall of the movable ring 2111, a drive cylinder 212 is fixedly installed in the female die 21, the piston rod of the drive cylinder 212 is connected with a poking plate 2121 after passing through the control plate 2112, and the female die 21 is provided with a first lower cooling liquid flow channel 213, one end of the first lower cooling liquid flow channel 213 is connected with a first liquid discharge connector 214, and the opposite end is connected with the first closed female connector 211;

[0038] A main cooling module 3 comprising a main cold source 31, a main liquid supply pipeline 32 and a main liquid return pipeline 33, the liquid outlet of the main cold source 31 is connected with the first liquid supply connector 222 through the main liquid supply pipeline 32, the liquid return port of the main cold source 31 is connected with the first liquid discharge connector 214 through the main liquid return pipeline 33, and a liquid supply pump is arranged on each of the main liquid supply pipeline 32 and the main liquid return pipeline 33, so as to facilitate the delivery of the cooling liquid;

[0039] A first carrying robot for carrying the to-be-formed material plate from the heating furnace 1 to the female die 21.

[0040] The automobile beam is processed by using the hot stamping forming process, compared with the drawing process forming, the production efficiency is improved, and compared with the traditional stamping process, the bending stiffness of the beam is improved by at least 40%, and the forming of the beam takes into account the quality and efficiency.

[0041] The female die 21 and the male die 22 are spliced by using the existing closed quick connector, the first cooling circulation system composed of the main cold source 31, the female die 21 and the male die 22 is conducted, and the mold can be rapidly cooled by using a single cold source, and the cooling liquid supply pipeline is simplified.

[0042] The first upper cooling liquid flow channel 221 is provided with an "S"-shaped bending section 2211, so that the leakage amount of the cooling liquid can be controlled when the closed male connector fails to be closed in time.

[0043] The first temperature sensor is arranged on the main liquid supply pipeline 32, and the second temperature sensor is arranged on the main liquid return pipeline 33, so that the cooling condition of the first cooling circulation system can be effectively detected.

[0044] Working principle: when the automobile floor beam is processed, the material plate to be formed is placed in the heating furnace 1 and heated to a set temperature, then the material plate to be formed is carried from the heating furnace 1 to the female die 21 by the first carrying robot, then the female die 21 and the male die 22 are combined to form the floor beam, the floor beam is taken out after pressure maintaining and cooling, and the high-precision floor beam with high tensile strength is obtained.

[0045] When the female die 21 and the male die 22 are combined, the first closed male connector 223 of the male die 22 is quickly inserted into the first closed female connector 211 of the female die 21, and the first cooling circulation system composed of the main cold source 31, the female die 21 and the male die 22 is conducted.

[0046] When the female die 21 and the male die 22 are separated, the piston rod of the driving cylinder 212 is retracted, the control plate 2112 and the movable ring 2111 are driven to move downward by the driving plate 2121, the first closed male connector 223 and the first closed female connector 211 are unlocked, and then the female die 21 and the male die 22 are separated, and the first cooling circulation system is disconnected.

[0047] Embodiment 2

[0048] In the embodiment, the main cooling module 3 is provided with the auxiliary cooling module 4 on one side, the auxiliary cooling module 4 comprises an auxiliary cold source 41, an auxiliary cold liquid supply pipeline 42 and an auxiliary cold liquid return pipeline 43, the male die 22 is provided with a second upper cooling liquid flow channel, one end of the second upper cooling liquid flow channel is connected with the second liquid supply connector 224, the opposite end is connected with the second closed male connector, and the auxiliary cold source 41 is connected with the second liquid supply connector 224 through the auxiliary cold liquid supply pipeline 42. Similarly, the auxiliary cold source 41 is connected with the second liquid discharge connector of the female die 21 through the auxiliary cold liquid return pipeline 43.

[0049] The auxiliary cooling module 4 is based on the auxiliary cold source 41, and forms the second cooling circulation system composed of the auxiliary cold source 41, the female die 21 and the male die 22. The structure, principle and function of the second cooling circulation system are the same as those of the first cooling circulation system.

[0050] The second cooling circulation system can timely intervene as a backup cooling circulation system when the cooling efficiency of the first cooling circulation system does not meet the requirements or fails, to ensure the cooling of the automobile floor cross beam.

[0051] Embodiment 3

[0052] The forming die 2 is provided with a positioning jig on one side, the positioning jig is used for positioning the formed left floor cross beam and right floor cross beam, a laser marker is arranged above the positioning jig, and the laser marker is used for laser etching the forming time on the left floor cross beam and the right floor cross beam. The laser marker is fixedly installed on the sliding table of the linear module.

[0053] The formed left floor cross beam and right floor cross beam in the forming die 2 are carried to the positioning jig by the second carrying robot, and the left floor cross beam and the right floor cross beam are arranged in parallel on the positioning jig.

[0054] The laser etching time is laser etched on the left floor cross beam and the right floor cross beam by the laser marker, and the laser marker is moved by a set distance through the sliding table of the linear module each time the laser etching is completed, so that the laser etching time and position of the left floor cross beam and the right floor cross beam of different forming times are different, so that the left floor cross beam and the right floor cross beam formed by the same die can be matched for use, and confusion is avoided.

[0055] Embodiment 4

[0056] The male die 22 is provided with the first forming pin and the second forming pin 225 arranged in parallel, and the female die 21 is provided with the first forming groove and the second forming groove 215 arranged in parallel.

[0057] The first forming pin cooperates with the first forming groove to form a first forming cavity to form the left floor cross beam, and the second forming pin 225 cooperates with the second forming groove 215 to form a second forming cavity to form the right floor cross beam.

[0058] The left floor cross beam and the right floor cross beam in the forming die 2 are processed at the same time, so that the microstructure distribution of the left and right cross beams is uniform, the mechanical property difference is small, and the vehicle body stiffness is balanced, so that the vehicle can effectively disperse the collision energy and avoid local overload when the vehicle collides, and the vehicle body safety is improved.

[0059] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-precision automobile floor cross beam stamping forming device, characterized in that, The utility model relates to a floor forming device, which comprises the following parts: a heating furnace for heating a material plate to be formed; a forming die comprising a female die and a male die, wherein a first upper cooling liquid channel is arranged in the male die, one end of the first upper cooling liquid channel is connected with a first liquid supply joint, the opposite end is connected with a first closed male joint, the first closed male joint is fixedly installed on the lower side surface of the male die, a first closed female joint corresponding to the first closed male joint is arranged on the female die, the first closed female joint is arranged in an installation cavity, a movable ring for unlocking the joint is arranged on the outer side of the first closed female joint, a control plate is fixedly installed on the outer side wall of the movable ring, a driving cylinder is fixedly installed in the female die, the piston rod of the driving cylinder is connected with a poking plate after penetrating through the control plate, a first lower cooling liquid channel is arranged in the female die, one end of the first lower cooling liquid channel is connected with a first liquid discharge joint, and the opposite end is connected with a first closed female joint; a main cooling module comprising a main cooling source, a main liquid supply pipeline and a main liquid return pipeline, the liquid outlet of the main cooling source is connected with the first liquid supply joint through the main liquid supply pipeline, and the liquid return port of the main cooling source is connected with the first liquid discharge joint through the main liquid return pipeline; a first carrying robot for carrying the material plate to be formed from the heating furnace to the female die.

2. The high-precision automobile floor cross beam stamping forming device according to claim 1, characterized in that, A bending section in the shape of "S" is arranged on the first upper cooling liquid channel.

3. The high-precision automobile floor crossbeam stamping forming device according to claim 1, characterized in that, A sub-cooling module is arranged on one side of the main cooling module, the sub-cooling module comprises a sub-cooling source, a sub-cooling liquid supply pipeline and a sub-cooling liquid return pipeline, a second upper cooling liquid channel is arranged in the male die, one end of the second upper cooling liquid channel is connected with a second liquid supply joint, and the opposite end is connected with a second closed male joint, and the sub-cooling source is connected with the second liquid supply joint through the sub-cooling liquid supply pipeline.

4. The high-precision automobile floor crossbeam stamping forming device according to claim 1, characterized in that, A first temperature sensor is arranged on the main liquid supply pipeline, and a second temperature sensor is arranged on the main liquid return pipeline.

5. The high-precision automobile floor crossbeam stamping forming device according to claim 1, characterized in that, First and second forming male dies are arranged in parallel on the male die, and first and second forming grooves are arranged in parallel on the female die.

6. The high-precision automobile floor crossbeam stamping forming device according to claim 1, characterized in that, A positioning jig is arranged on one side of the forming die, the positioning jig is used for positioning the left and right cross beams of the formed floor, and a laser marker is arranged above the positioning jig, the laser marker is used for laser etching the forming time on the left and right cross beams of the floor.

7. The high-precision automobile floor crossbeam stamping forming device according to claim 6, characterized in that, The laser marker is fixedly installed on the sliding table of the linear module.

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