CN110125216B - Longitudinal roll forming equipment and method for fuel cell metal polar plate runner - Google Patents
Longitudinal roll forming equipment and method for fuel cell metal polar plate runner Download PDFInfo
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- CN110125216B CN110125216B CN201910326802.4A CN201910326802A CN110125216B CN 110125216 B CN110125216 B CN 110125216B CN 201910326802 A CN201910326802 A CN 201910326802A CN 110125216 B CN110125216 B CN 110125216B
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- runner
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- longitudinal rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
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- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a fuel cell metal polar plate runner longitudinal roll forming device and a method, wherein the device comprises a linear runner longitudinal roll forming device, a polar plate shearing device, a polar plate transferring device, a U-shaped runner longitudinal roll forming device and a rack, wherein the linear runner longitudinal roll forming device comprises a linear runner longitudinal roll preforming device and a linear runner longitudinal roll secondary forming device, and the U-shaped runner longitudinal roll forming device comprises a U-shaped runner longitudinal roll preforming device and a U-shaped runner longitudinal roll secondary forming device; the method adopts a linear runner longitudinal roll forming device to finish forming the linear runner and the sealing groove parallel to the linear runner, and adopts a U-runner longitudinal roll forming device to finish forming the U-runner and the sealing groove parallel to the U-runner. The invention adopts the pre-forming and the secondary forming, can increase the depth of the runner, avoid cracking and reduce rebound, and can meet the requirement of continuous production.
Description
Technical Field
The invention relates to the field of fuel cells, in particular to a longitudinal roll forming device and a longitudinal roll forming method for a fuel cell metal polar plate runner.
Background
In the existing method for processing the metal polar plate runner based on roll forming, a single roller is used for processing the complete runner of the metal polar plate, the runner processed deeper can cause polar cracking, and the rebound phenomenon is more prominent.
Disclosure of Invention
The invention aims to provide a longitudinal rolling forming device for a fuel cell metal polar plate runner, which adopts a preformed and secondarily formed runner for rolling a metal polar plate, can increase the depth of the processed runner, avoid cracking in the forming process, reduce rebound of the formed metal polar plate runner, and can meet the requirement of continuous production.
In order to achieve the purpose, the invention adopts the following technical scheme of fuel cell metal polar plate runner longitudinal roll forming equipment and method: the utility model provides a fuel cell metal polar plate runner longitudinal roll forming equipment, includes a set of straight line runner longitudinal roll forming device, polar plate shearing mechanism, polar plate transfer device, a set of U-shaped runner longitudinal roll forming device and rack, its characterized in that: the linear runner longitudinal roll forming device comprises a linear runner longitudinal roll preforming device and a linear runner longitudinal roll secondary forming device, the U-shaped runner longitudinal roll forming device comprises a U-shaped runner longitudinal roll preforming device and a U-shaped runner longitudinal roll secondary forming device, the linear runner longitudinal roll preforming device comprises a pair of linear runner longitudinal roll preforming roller pairs, the linear runner longitudinal roll secondary forming device comprises a pair of linear runner longitudinal roll secondary forming roller pairs, the U-shaped runner longitudinal roll preforming device comprises a pair of U-shaped runner longitudinal roll preforming roller pairs, and the U-shaped runner longitudinal roll secondary forming device comprises a pair of U-shaped runner longitudinal roll secondary forming roller pairs.
The linear runner longitudinal rolling preforming roller pair and the linear runner longitudinal rolling secondary forming roller pair are characterized in that: the linear runner longitudinal rolling preforming roller pair comprises a linear runner longitudinal rolling preforming male die and a linear runner longitudinal rolling preforming female die, a ridge which is in mapping relation with a linear runner of a polar plate and a sealing groove parallel to the linear runner is arranged on the circumference of the linear runner longitudinal rolling preforming male die, a groove which is in mapping relation with the linear runner of the polar plate and the sealing groove parallel to the linear runner is arranged on the circumference of the linear runner longitudinal rolling preforming female die, the linear runner longitudinal rolling secondary forming roller pair comprises a linear runner longitudinal secondary forming male die and a linear runner longitudinal secondary forming female die, a ridge which is in mapping relation with the linear runner of the polar plate and the sealing groove parallel to the linear runner is arranged on the circumference of the linear runner longitudinal secondary forming male die, and a groove which is in mapping relation with the linear runner of the polar plate and the sealing groove parallel to the linear runner is arranged on the circumference of the linear runner longitudinal secondary forming female die.
The U-shaped runner longitudinal rolling preforming roller pair and the U-shaped runner longitudinal rolling secondary forming roller pair are characterized in that: the U-shaped runner longitudinal rolling preforming roller pair comprises a U-shaped runner longitudinal rolling preforming male die and a U-shaped runner longitudinal rolling preforming female die, ridges which form mapping relation with the complete runner and the complete sealing groove of the polar plate are arranged on the circumference of the U-shaped runner longitudinal rolling preforming male die, grooves which form mapping relation with the complete runner and the complete sealing groove of the polar plate are arranged on the circumference of the U-shaped runner longitudinal rolling preforming female die, the U-shaped runner longitudinal rolling secondary forming roller pair comprises a U-shaped runner longitudinal rolling secondary forming male die and a U-shaped runner longitudinal secondary forming female die, rolling ridges which form mapping relation with the complete runner and the complete sealing groove of the polar plate are arranged on the circumference of the U-shaped runner longitudinal secondary forming male die, and grooves which form mapping relation with the complete runner and the complete sealing groove of the polar plate are arranged on the circumference of the U-shaped runner longitudinal secondary forming female die.
The linear runner longitudinal roll forming device and the U-shaped runner longitudinal roll forming device are characterized in that: the linear runner longitudinal roll forming device and the U-shaped runner longitudinal roll forming device are vertically arranged and mounted on the rack.
The linear runner longitudinal rolling preforming male die and the linear runner longitudinal rolling secondary forming male die are characterized in that: the height h1 of the ridge of the linear runner longitudinal rolling preforming male die is 40% -50% of the height h2 of the ridge of the linear runner longitudinal rolling secondary forming male die.
The linear runner longitudinal rolling preforming die and the linear runner longitudinal rolling secondary forming die are characterized in that: the groove depth H1 of the linear runner longitudinal rolling preforming female die is 40% -50% of the groove depth H2 of the linear runner longitudinal rolling secondary forming female die.
The U-shaped runner longitudinal rolling preforming male die and the U-shaped runner longitudinal rolling secondary forming male die are characterized in that: the height h3 of the ridge of the longitudinal rolling preforming male die of the U-shaped runner is 40-50% of the height h4 of the ridge of the longitudinal rolling secondary forming male die of the U-shaped runner.
The U-shaped runner longitudinal rolling preforming die and the U-shaped runner longitudinal rolling secondary forming die are characterized in that: the groove depth H3 of the U-shaped runner longitudinal rolling preforming female die is the same as the groove depth H4 of the U-shaped runner longitudinal rolling secondary forming female die.
A longitudinal roll forming method for a fuel cell metal polar plate runner is characterized by comprising the following steps of: the method adopts a step-by-step rolling mode to realize the forming of the metal polar plate runner, firstly, a linear runner longitudinal rolling preforming device is used for preforming a linear runner and a sealing groove parallel to the linear runner on a metal plate, then, a linear runner longitudinal rolling secondary forming device is used for completing the forming of the linear runner and the sealing groove parallel to the linear runner on the metal plate, a polar plate shearing device is used for shearing the polar plate of the processed linear runner and the sealing groove parallel to the linear runner in a sizing way, then, a polar plate transferring device is used for transferring the sheared polar plate to a U-shaped runner longitudinal rolling preforming device, the U-shaped runner and the sealing groove parallel to the U-shaped runner are preformed on the metal plate by using the U-shaped runner longitudinal rolling preforming device, and then, the U-shaped runner longitudinal rolling secondary forming device is used for completing the forming of the U-shaped runner and the sealing groove parallel to the U-shaped runner on the metal plate.
Compared with the prior art, the longitudinal rolling forming equipment for the fuel cell metal polar plate runner adopts the pre-forming and secondary forming of the runner of the rolled metal polar plate, can increase the depth of the processed runner, avoid cracking in the forming process, reduce rebound of the formed metal polar plate runner, and can meet the requirement of continuous production.
Drawings
Fig. 1 is a schematic structural view of a metal plate runner longitudinal roll forming apparatus.
Fig. 2 is a schematic view of a metal plate runner.
Fig. 3 is a schematic view of a pair of linear runner longitudinal roll-forming rollers.
Fig. 4 is a schematic view of a pair of linear runner longitudinal roll-forming rolls.
Fig. 5 is a schematic view showing a circumferential development of a linear runner longitudinal rolling preforming punch and a linear runner longitudinal rolling secondary forming punch.
Fig. 6 is a schematic view of a longitudinal rolling preforming process for a straight runner.
Fig. 7 is a schematic view of a U-shaped runner longitudinal rolling preform roller pair.
Fig. 8 is a schematic view of a U-shaped runner longitudinal rolling secondary forming roller pair.
Fig. 9 is a schematic view showing circumferential development of a U-shaped runner longitudinal rolling preforming punch and a U-shaped runner longitudinal rolling secondary forming punch.
In the figure, a 1-straight runner longitudinal rolling preforming device, a 2-straight runner longitudinal rolling secondary forming device, a 3-U-runner longitudinal rolling preforming device, a 4-U-runner longitudinal rolling secondary forming device, a 5-pole plate shearing device, a 6-pole plate transferring device, a 7-metal plate, a 101-straight runner longitudinal rolling preforming male die, a 102-straight runner longitudinal rolling preforming female die, a 201-straight runner longitudinal rolling secondary forming male die, a 202-straight runner longitudinal rolling secondary forming female die, a 301-U-runner longitudinal rolling preforming male die, a 302-U-runner longitudinal rolling preforming female die, a 401-U-runner longitudinal rolling secondary forming male die, a 402-U-runner longitudinal secondary forming female die, a 701-straight runner, 702-sealing grooves parallel to the straight flow path, 703-U-shaped flow path, 704-sealing grooves parallel to the U-shaped flow path, 10101-straight flow path longitudinal rolling preforming ridge, 10201-straight flow path longitudinal rolling preforming groove, 20101-straight flow path longitudinal rolling secondary forming ridge, 20201-straight flow path longitudinal rolling secondary forming groove, 30101-U-shaped flow path longitudinal rolling preforming straight flow path ridge, 30102-U-shaped flow path longitudinal rolling preforming ridge, 30201-U-shaped flow path longitudinal rolling preforming straight flow path groove, 30202-U-shaped flow path longitudinal rolling preforming groove, 40101-U-shaped flow path longitudinal rolling secondary forming straight flow path ridge, 40102-U-shaped flow path longitudinal rolling secondary forming ridge, 40201-the U-shaped runner longitudinal rolling secondary forming linear runner groove, 40202-the U-shaped runner longitudinal rolling secondary forming groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the fuel cell metal plate runner longitudinal roll forming device provided by the invention comprises a linear runner longitudinal roll preforming device 1, a linear runner longitudinal roll secondary forming device 2, a u-runner longitudinal roll preforming device 3, a u-runner longitudinal roll secondary forming device 4, a plate shearing device 5 and a plate transferring device 6.
The linear runner longitudinal rolling preforming device 1 comprises a linear runner longitudinal rolling preforming male die 101 and a linear runner longitudinal rolling preforming female die 102, and the directions of the two are opposite as shown in fig. 3; the linear runner longitudinal rolling secondary forming device 2 comprises a linear runner longitudinal rolling secondary forming male die 201 and a linear runner longitudinal rolling secondary forming female die 202, and the directions of the two are opposite as shown in fig. 4; the U-shaped runner longitudinal rolling preforming device 3 comprises a U-shaped runner longitudinal rolling preforming male die 301 and a U-shaped runner longitudinal rolling preforming female die 302, which are opposite in direction as shown in fig. 7; the U-shaped runner longitudinal roll secondary forming apparatus 4 includes a U-shaped runner longitudinal roll secondary forming male die 401 and a U-shaped runner longitudinal roll secondary forming female die 402, which are reversed as shown in fig. 8.
The longitudinal roll forming method for the fuel cell metal plate runner comprises six steps.
(1) When the metal plate 7 passes through the linear runner longitudinal rolling preforming device 1, the linear runner longitudinal rolling preforming ridge 10101 presses the portion of the metal plate 7 in contact with the portion into the linear runner longitudinal rolling preforming groove 10201, and the rolling preforming of the linear runner 701 and the seal groove 702 parallel to the linear runner is completed as shown in fig. 6.
(2) When the metal plate 7 passes through the linear runner longitudinal roll secondary forming apparatus 2, the linear runner longitudinal roll secondary forming ridge 20101 presses the linear runner 701 preformed on the metal plate 7 and the seal groove 702 parallel to the linear runner into the linear runner longitudinal roll secondary forming groove 20201, completing the roll secondary forming of the linear runner 701 and the seal groove 702 parallel to the linear runner.
(3) The plate shearing device 5 is used to shear the metal plate 7 having the linear flow path 701 machined and the seal groove 702 parallel to the linear flow path in a sizing manner.
(4) The sheared metal sheet 7 is transferred to the U-shaped runner longitudinal rolling preforming device 3 using the plate transfer device 6.
(5) As the metal plate 7 passes through the U-shaped runner longitudinal rolling preforming device 3, the U-shaped runner longitudinal rolling preforming ridge 30102 presses the portion of the metal plate 7 in contact with it into the U-shaped runner longitudinal rolling preforming groove 30202, completing the rolling preforming of the U-shaped runner 703 and the seal groove 704 parallel to the U-shaped runner; meanwhile, the finished linear runner 701 and the seal groove 702 parallel to the linear runner pass between the U-runner longitudinal rolling preformed linear runner ridge 30101 and the U-runner longitudinal rolling preformed linear runner groove 30201, preventing deformation thereof.
(6) As the metal sheet 7 passes through the U-runner longitudinal roll secondary forming apparatus 4, the U-runner longitudinal roll secondary forming ridge 40102 presses the preformed U-runner 703 and the seal groove 704 parallel to the U-runner on the metal sheet 7 into the U-runner longitudinal roll secondary forming groove 40202, completing the roll secondary forming of the U-runner 703 and the seal groove 704 parallel to the U-runner; meanwhile, the processed straight runner 701 and the seal groove 702 parallel to the straight runner pass between the U-runner longitudinal rolling secondary forming straight runner ridge 40101 and the U-runner longitudinal rolling secondary forming straight runner groove 40201, preventing deformation thereof.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (2)
1. The longitudinal roll forming method for the fuel cell metal plate runner adopts a longitudinal roll forming device for the fuel cell metal plate runner, and is characterized in that: the method adopts a step-by-step rolling mode to realize the forming of the metal polar plate runner, firstly, a linear runner longitudinal rolling preforming device is used for preforming a linear runner and a sealing groove parallel to the linear runner on a metal plate, then, a linear runner longitudinal rolling secondary forming device is used for completing the forming of the linear runner and the sealing groove parallel to the linear runner on the metal plate, a polar plate shearing device is used for shearing the polar plate of the processed linear runner and the sealing groove parallel to the linear runner in a sizing way, then, a polar plate transferring device is used for transferring the sheared polar plate to a U-shaped runner longitudinal rolling preforming device, a U-shaped runner and the sealing groove parallel to the U-shaped runner are preformed on the metal plate by using the U-shaped runner longitudinal rolling preforming device, forming the U-shaped runner on the metal plate and the sealing groove parallel to the U-shaped runner by using a U-shaped runner longitudinal rolling secondary forming device, wherein the rolling forming device comprises a group of linear runner longitudinal rolling forming device, a polar plate shearing device, a polar plate transferring device, a group of U-shaped runner longitudinal rolling forming device and a rack, the linear runner longitudinal rolling forming device comprises a linear runner longitudinal rolling preforming device and a linear runner longitudinal rolling secondary forming device, the U-shaped runner longitudinal rolling forming device comprises a U-shaped runner longitudinal rolling preforming device and a U-shaped runner longitudinal secondary forming device, the linear runner longitudinal rolling preforming device comprises a pair of linear runner longitudinal rolling preforming roller pairs, the linear runner longitudinal rolling secondary forming device comprises a pair of linear runner longitudinal rolling secondary forming roller pairs, the U-shaped runner longitudinal rolling preforming device comprises a pair of U-shaped runner longitudinal rolling preforming roller pairs, the U-shaped runner longitudinal rolling secondary forming device comprises a pair of U-shaped runner longitudinal rolling secondary forming roller pairs, the linear runner longitudinal rolling preforming roller pairs comprise linear runner longitudinal rolling preforming male dies and linear runner longitudinal rolling preforming female dies, ridges which are in mapping relation with linear runners of polar plates and sealing grooves parallel to the linear runners are arranged on the circumference of the linear runner longitudinal rolling preforming male dies, grooves which are in mapping relation with the linear runners of the polar plates and the sealing grooves parallel to the linear runners are arranged on the circumference of the linear runner longitudinal rolling preforming female dies, and the ridge height h1 of the linear runner longitudinal rolling preforming male dies is 40% -50% of the ridge height h2 of the linear runner longitudinal rolling secondary forming male dies; the pair of linear runner longitudinal rolling secondary forming rollers comprises a linear runner longitudinal rolling secondary forming male die and a linear runner longitudinal rolling secondary forming female die, the circumference of the linear runner longitudinal rolling secondary forming male die is provided with a convex ridge which forms a mapping relation with a linear runner of a polar plate and a sealing groove parallel to the linear runner, the circumference of the linear runner longitudinal rolling secondary forming female die is provided with a groove which forms a mapping relation with the linear runner of the polar plate and the sealing groove parallel to the linear runner, and the groove depth H1 of the linear runner longitudinal rolling pre-forming female die is 40% -50% of the groove depth H2 of the linear runner longitudinal rolling secondary forming female die; the U-shaped runner longitudinal rolling preforming roller pair comprises a U-shaped runner longitudinal rolling preforming male die and a U-shaped runner longitudinal rolling preforming female die, wherein the circumference of the U-shaped runner longitudinal rolling preforming male die is provided with a convex ridge which is in a mapping relation with a complete runner and a complete sealing groove of the polar plate, the circumference of the U-shaped runner longitudinal rolling preforming female die is provided with a groove which is in a mapping relation with the complete runner and the complete sealing groove of the polar plate, and the convex ridge height h3 of the U-shaped runner longitudinal rolling preforming male die is 40% -50% of the convex ridge height h4 of the U-shaped runner longitudinal rolling secondary forming male die; the U-shaped runner longitudinal rolling secondary forming roller pair comprises a U-shaped runner longitudinal rolling secondary forming male die and a U-shaped runner longitudinal rolling secondary forming female die, wherein the circumference of the U-shaped runner longitudinal rolling secondary forming male die is provided with a convex ridge which forms a mapping relation with a complete runner and a complete sealing groove of the polar plate, the circumference of the U-shaped runner longitudinal rolling secondary forming female die is provided with a groove which forms a mapping relation with the complete runner and the complete sealing groove of the polar plate, and the groove depth H3 of the U-shaped runner longitudinal rolling preforming female die is the same as the groove depth H4 of the U-shaped runner longitudinal rolling secondary forming female die.
2. A method of longitudinal roll forming a fuel cell metal plate runner as defined in claim 1, wherein: the linear runner longitudinal roll forming device and the U-shaped runner longitudinal roll forming device are vertically arranged and mounted on the rack.
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| CN201910326802.4A CN110125216B (en) | 2019-04-23 | 2019-04-23 | Longitudinal roll forming equipment and method for fuel cell metal polar plate runner |
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| CN201910326802.4A CN110125216B (en) | 2019-04-23 | 2019-04-23 | Longitudinal roll forming equipment and method for fuel cell metal polar plate runner |
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| CN110125216A CN110125216A (en) | 2019-08-16 |
| CN110125216B true CN110125216B (en) | 2023-09-29 |
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| DE102022206747A1 (en) | 2022-07-01 | 2024-01-04 | Volkswagen Aktiengesellschaft | Manufacturing process for producing a single bipolar plate |
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