CN209830018U - Upper and lower flanging die for upper inner plate reinforcing plate of automobile B column - Google Patents
Upper and lower flanging die for upper inner plate reinforcing plate of automobile B column Download PDFInfo
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- CN209830018U CN209830018U CN201920140468.9U CN201920140468U CN209830018U CN 209830018 U CN209830018 U CN 209830018U CN 201920140468 U CN201920140468 U CN 201920140468U CN 209830018 U CN209830018 U CN 209830018U
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Abstract
The utility model relates to an upper and lower flanging die of an upper inner plate reinforcing plate of an automobile B column, which comprises an upper die base and a lower die base, wherein two ends of the upper end of the upper die base are provided with mutually symmetrical lower flanging male dies, a downward cavity is arranged in the region between the two lower flanging male dies of the upper die base, an upper pressure feeder is correspondingly provided with a abdicating hole of the flanging male dies, and an extending part of an upper limiting block extending towards the inside of the cavity is matched with the upper pressure feeder to axially limit the pressure feeder; the second material pressing molded surface is provided with a positioning taper pin which is vertically upward, the bottom of the material pressing device and the bottom of the concave cavity of the lower die holder are provided with upsetting blocks, and the elasticity applied by the second elastic component is greater than that applied by the first elastic component; the two ends of the upper die base are respectively provided with a first positioning lug protruding downwards, the two ends of the lower die base are respectively provided with an upward first open slot, and the first open slots and the first positioning lugs form positioning fit in die assembly.
Description
Technical Field
The utility model relates to an automobile mold, concretely relates to upper and lower turn-ups mould of inner panel reinforcing plate on car B post.
Background
The automobile B-pillar upper inner plate reinforcing plate is an important reinforcing and supporting part of an automobile, and a traditional automobile inner plate reinforcing plate assembly is manufactured by stamping on a stamping die. Because a product is punched at one time by the current punching die, each process finishes the forming of a flanging, a plurality of dies are often needed to punch or a complex composite die is adopted to punch, the efficiency is low, parts are repositioned among different processes, the processing precision of the parts is reduced, and the forming cutter block of the forming die is usually processed by a whole block of die material, the structure is not only high in cost, but also difficult to repair, the time for repairing and adjusting the die is long, the whole block of repairing is needed when the production condition appears, and the production takt is delayed. Because this kind of mould can only stamp one needs fashioned panel once, lead to production efficiency low, the punching press precision is low, and the productivity can not satisfy the requirement, if need improve the productivity, must increase the hardware input, will cause product manufacturing cost to rise, adopts traditional mould structure, and mould production and product production's consuming time are long, and production quality and effect are unstable, are difficult to satisfy the production demand.
Disclosure of Invention
The utility model aims at prior art not enough, provide an upper and lower turn-ups mould of inner panel reinforcing plate on car B post, its simple structure is compact, can accomplish the upper and lower turn-ups and the hole flanging operation of car reinforcing plate, and the work piece is kick-backed for a short time, can realize repairing the mould fast, changing the mould, and production quality and effect are stable, can practice thrift manufacturing cost.
The purpose of the utility model is realized like this: an upper and lower flanging die for an upper inner plate reinforcing plate of an automobile B column comprises an upper die base and a lower die base, wherein two ends of the upper end of the upper die base are provided with symmetrical lower flanging male dies, the upper die holder is provided with a downward concave cavity in the area between the two downward turning convex dies, an upper material pressing device which floats up and down is arranged in the concave cavity, the upper swaging device is symmetrically provided with first swaging profiles, both sides of the first swaging profiles are provided with upper turning cutting edges, upsetting blocks are arranged at the top of the upper swaging device and the bottom of the concave cavity, a first elastic component is arranged between the upper swaging device and the bottom of the concave cavity of the upper die holder, the bottom of the concave cavity is also provided with two symmetrical downward hole flanging male dies, the upper material pressing device is correspondingly provided with abdicating holes of the hole flanging male dies, the upper limiting blocks are arranged on the edges of two sides of the opening end of the concave cavity of the upper die holder, and the extending parts of the upper limiting blocks extending towards the inside of the concave cavity are matched with the upper material pressing device to axially limit the material pressing device; the lower die base is provided with an upward concave cavity, two groups of upper flanging male dies are symmetrically arranged in the concave cavity, a lower material pressing device which floats up and down is arranged in the concave cavity, the upper end of the lower material pressing device is symmetrically provided with second material pressing molded surfaces which are provided with positioning taper pins which are vertically upward, the first material pressing molded surface is correspondingly provided with a yielding hole for yielding the positioning taper pin, two ends of the lower material pressing device are provided with lower turning cutting edges, the bottom of the lower material pressing device and the bottom of the concave cavity of the lower die holder are both provided with upsetting blocks, a second elastic component is arranged between the lower material pressing device and the bottom of the concave cavity of the lower die holder, wherein the elasticity applied by the second elastic component is larger than that applied by the first elastic component, the edges of two sides of the concave cavity opening end of the lower die holder are provided with lower limiting blocks, the extension part of the lower limiting block extending towards the inner part of the concave cavity is matched with the lower material pressing device to axially limit the material pressing device; the die comprises an upper die base and a lower die base, and is characterized in that first positioning convex blocks protruding downwards are arranged at two ends of the upper die base respectively, upward first open grooves are arranged at two ends of the lower die base respectively, and the first open grooves and the first positioning convex blocks form positioning fit when die assembly is carried out.
And a vertical material guide pin is arranged at the edge of the second material pressing molded surface, and a guide inclined plane is arranged on one side of the material guide pin, which faces the molding surface.
The cavity of the upper die base is in sliding fit with the upper material pressing device through the self-lubricating guide sliding plate, and the cavity of the lower die base is in sliding fit with the lower material pressing device through the self-lubricating guide sliding plate.
And the first opening groove and the first positioning lug form sliding fit through the self-lubricating sliding plate during die assembly.
The self-lubricating guide plate is provided with a bolt counter bore, and the self-lubricating guide plate is fixedly connected with the die holder or the material pressing device through a connecting bolt in the bolt counter bore.
The downward flanging convex die and the hole flanging convex die are fixed on the die holder through screws and pins.
The outer wall of the upper die base is provided with four cast-in type lifting rods distributed in a matrix, and the outer wall of the lower die base is provided with four cast-in type lifting rods distributed in a matrix.
A plurality of arrays of nitrogen springs are arranged between the upper material pressing device and the bottom of the cavity of the upper die holder and serve as first elastic components, and a plurality of arrays of nitrogen springs are arranged between the lower material pressing device and the bottom of the cavity of the lower die holder and serve as second elastic components.
Four rigid limiting blocks distributed in a matrix are arranged on the lower die base.
By adopting the scheme, the two ends of the upper end of the upper die base are provided with the symmetrical downward-turning male dies, the upper die base is provided with a downward cavity in the area between the two downward-turning male dies, an upper pressure feeder floating up and down is arranged in the cavity, the upper pressure feeder is symmetrically provided with a first pressure-material profile, the two sides of the first pressure-material profile are provided with upward-turning cutting edges, the top of the upper pressure feeder and the bottom of the cavity are both provided with upsetting blocks, a first elastic component is arranged between the upper pressure feeder and the bottom of the cavity of the upper die base, the bottom of the cavity is also provided with two symmetrical downward-turning male dies, the upper pressure feeder is correspondingly provided with abdicating holes of the flanging male dies, the edges of the two sides of the opening end of the cavity of the upper die base are provided with upper limiting blocks, and the extending parts of the upper limiting blocks extending towards the; the lower die base is provided with an upward concave cavity, two groups of upper flanging male dies are symmetrically arranged in the concave cavity, a lower material pressing device which floats up and down is arranged in the concave cavity, the upper end of the lower material pressing device is symmetrically provided with second material pressing molded surfaces which are provided with positioning taper pins which are vertically upward, the first material pressing molded surface is correspondingly provided with a yielding hole for yielding the positioning taper pin, two ends of the lower material pressing device are provided with lower turning cutting edges, the bottom of the lower material pressing device and the bottom of the concave cavity of the lower die holder are both provided with upsetting blocks, a second elastic component is arranged between the lower material pressing device and the bottom of the concave cavity of the lower die holder, wherein the elasticity applied by the second elastic component is larger than that applied by the first elastic component, the edges of two sides of the concave cavity opening end of the lower die holder are provided with lower limiting blocks, the extension part of the lower limiting block extending towards the inner part of the concave cavity is matched with the lower material pressing device to axially limit the material pressing device; the die comprises an upper die base and a lower die base, and is characterized in that first positioning convex blocks protruding downwards are arranged at two ends of the upper die base respectively, upward first open grooves are arranged at two ends of the lower die base respectively, and the first open grooves and the first positioning convex blocks form positioning fit when die assembly is carried out. When a sheet material is formed, firstly, the sheet material is placed on a second pressure gauge, positioning is carried out through a positioning pin, when die assembly is started, an upper die base descends, an upper material pressing device and a lower material pressing device are matched with each other to jointly complete material pressing, the upper die base continues to descend, a downward turning convex die is matched with a downward turning cutting edge to realize downward turning of the end portion of the sheet material, and in the downward turning process, a hole turning convex die enters a workpiece to be turned over, and hole turning operation is carried out simultaneously; the upper die continues to descend, the upper material pressing device and the upper die base are upset and compacted, the lower material pressing device starts to descend, the upper flanging male die is matched with the upper flanging edge to realize flanging operation of the side edge of the workpiece, and finally the upper die base continues to descend to realize upsetting of the lower material pressing device and the lower die base, so that upsetting of the whole die is realized, and flanging operation is completed; when the die is opened, the lower material pressing device moves upwards under the action of the second elastic assembly to realize material ejection, when the upper die base moves upwards to the upper limit position, a whole flanging operation flow is completed, and a material is taken out and discharged to perform next cycle operation. The first opening groove and the first positioning lug form positioning fit in die assembly, and by adopting the structure, the positioning fit can be formed in the forming process to play a role in guiding and limiting, so that the upper die base, the upper material pressing device, the lower material pressing device and the lower die base can be accurately matched in the die assembly direction. Adopt the utility model discloses, its simple structure is compact, can accomplish the upper and lower turn-ups and the hole flanging operation of car reinforcing plate, and the work piece kick-backs for a short time, can realize repairing the mould fast, changing the mould, and production quality and effect are stable, can practice thrift manufacturing cost. By adopting the utility model, two plates can be formed at one time, and because of adopting a symmetrical structure, part of acting force is offset in the forming process; meanwhile, the production efficiency is high, the productivity can be effectively improved, the production quality and the effect are stable, the cost is saved, and meanwhile, the modules can be quickly replaced to realize quick die repair and die change.
The edge of the second material pressing molded surface is provided with a vertical material guiding pin, one side of the material guiding pin, which faces the molded surface, is provided with a guiding inclined plane, and by adopting the structure, the sheet material can be guided and corrected in the process of placing and closing the die, so that the material guiding work is completed.
The cavity of the upper die base and the upper material pressing device form sliding fit through the self-lubricating guide sliding plate, the cavity of the lower die base and the lower material pressing device form sliding fit through the self-lubricating guide sliding plate, the self-lubricating guide sliding plate is arranged to effectively reduce friction, and abrasion of the die base can be reduced due to abrasion of the self-lubricating guide sliding plate.
First open slot and first locating convex block form sliding fit through self-lubricating slide when the compound die, set up the friction that can effectively reduce from the self-lubricating slide, and the wearing and tearing of self-lubricating slide can reduce the wearing and tearing of die holder.
The self-lubricating guide plate is provided with a bolt counter bore, the self-lubricating guide plate is fixedly connected with the die holder or the material pressing device through a connecting bolt in the bolt counter bore, and the self-lubricating guide plate can be rapidly detached and replaced by adopting the structure.
The downward flanging male die and the hole flanging male die are fixed on the die holder through screws and pins, and the downward flanging male die and the hole flanging male die can be quickly detached and replaced by adopting the structure.
The die comprises an upper die base, a lower die base and a die holder, wherein the upper die base is provided with four cast-in type lifting rods distributed in a matrix manner, the four cast-in type lifting rods distributed in the matrix manner are arranged on the outer wall of the upper die base, and the four cast-in type lifting rods distributed in the matrix manner are arranged on the outer wall of the lower die base, so that the upper die base and the lower die base can be conveniently.
Four rigid limiting blocks distributed in a matrix mode are arranged on the lower die base, the rigid limiting blocks limit the upper die base, and damage caused by the fact that the stress of the forming surface of the die is too large is prevented.
Adopt above-mentioned utility model, its simple structure is compact, can accomplish the upper and lower turn-ups and the hole flanging operation of car reinforcing plate, and the work piece kick-backs for a short time, can realize repairing the mould fast, changing the mould, and production quality and effect are stable, can practice thrift manufacturing cost.
The invention will be further explained with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an upper die holder;
FIG. 3 is a schematic structural view of an upper nip;
FIG. 4 is a schematic view of the upper die holder and the upper swager;
FIG. 5 is a schematic structural view of the lower die holder;
FIG. 6 is a schematic view of the structure of the lower presser;
FIG. 7 is a schematic view of the structure of the lower die holder and the lower presser.
In the attached drawings, 1 is an upper die base, 2 is a lower flanging punch, 3 is an upper material pressing device, 5 is a upsetting block, 6 is a first elastic component, 7 is a hole flanging punch, 8 is an upper limiting block, 9 is a lower die base, 10 is an upper flanging punch, 11 is a lower material pressing device, 13 is a positioning taper pin, 14 is a second elastic component, 15 is a lower limiting block, 16 is a first positioning lug, 17 is a first open slot, 18 is a guide pin, 19 is a self-lubricating guide sliding plate, 20 is a cast-in type hoisting rod, 21 is a rigid limiting block, 31 is a first material pressing profile, and 111 is a second material pressing profile.
Detailed Description
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 7, an embodiment of an upper and lower flanging die for an upper inner plate reinforcing plate of an automobile B-pillar comprises an upper die base 1 and a lower die base 9, wherein lower flanging dies 2 which are symmetrical to each other are arranged at two ends of the upper end of the upper die base 1, a downward cavity is arranged in a region between the two lower flanging dies 2 of the upper die base 1, an upper material pressing device 3 which floats up and down is arranged in the cavity, first material pressing profiles 31 are symmetrically arranged on the upper material pressing device 3, and upper flanging edges are arranged at two sides of the first material pressing profiles 31. The concave cavity of the upper die holder 1 is in sliding fit with the upper material pressing device 3 through the self-lubricating sliding plate 19, the friction force can be effectively reduced by the self-lubricating sliding plate 19, and the abrasion of the die holder can be reduced by the abrasion of the self-lubricating sliding plate 19. Go up 3 tops of eccentric swage and cavity bottom and all be provided with the piece 5 of upsetting solid, go up and be provided with first elastic component 6 between the cavity bottom of eccentric swage 3 and upper die base 1, in this embodiment, it sets up the nitrogen gas spring of a plurality of arrays as first elastic component 6 to go up between the cavity bottom of eccentric swage 3 and upper die base 1. The bottom of the cavity is further provided with two symmetrical downward hole flanging male dies 7, the upper pressure feeder 3 is correspondingly provided with a hole of the flanging male dies, two side edges of the cavity opening end of the upper die base 1 are provided with upper limiting blocks 8, and extending parts of the upper limiting blocks 8 extending towards the inside of the cavity are matched with the upper pressure feeder 3 to axially limit the pressure feeder.
The lower die base 9 is provided with an upward concave cavity, two groups of upper flanging male dies 10 are symmetrically arranged in the concave cavity, the lower flanging male die 2 and the hole flanging male die 7 can be fixed on the die base through screws and pins, and the structure can be rapidly detached and replaced. Set up the lower pressure glassware 11 that floats from top to bottom in the cavity, 11 upper end symmetries of pressure glassware set up the second down and press material profile 111 down, the second is pressed material profile 111 and all is provided with vertical ascending location taper pin 13, the correspondence is provided with the hole of stepping down that steps down to location taper pin 13 on the first profile 31 of pressing. The edge of the second material pressing molding surface 111 is provided with a vertical material guiding pin 18, one side of the material guiding pin 18, which faces the molding surface, is provided with a guiding inclined plane, and by adopting the structure, the sheet material can be guided and corrected in the processes of placing and closing the sheet material, so that the material guiding work is completed. The two ends of the lower material pressing device 11 are provided with downward turning edges, the concave cavity of the lower die base 9 and the lower material pressing device 11 form sliding fit through the self-lubricating sliding plate 19, the friction force can be effectively reduced by the self-lubricating sliding plate 19, and the abrasion of the die base can be reduced by the abrasion of the self-lubricating sliding plate 19. The bottom of the lower presser 11 and the bottom of the cavity of the lower die holder 9 are both provided with the upsetting block 5, a second elastic component 14 is arranged between the lower presser 11 and the bottom of the cavity of the lower die holder 9, and in the embodiment, a plurality of arrays of nitrogen springs are arranged between the lower presser 11 and the bottom of the cavity of the lower die holder 9 as the second elastic component 14. The elasticity applied by the second elastic component 14 is greater than the elasticity applied by the first elastic component 6, lower limiting blocks 15 are arranged on the edges of the two sides of the opening end of the cavity of the lower die holder 9, and the extension part of the lower limiting block 15 extending towards the inside of the cavity is matched with the lower material pressing device 11 to axially limit the material pressing device.
Two ends of the upper die holder 1 are respectively provided with a first positioning lug 16 protruding downwards, two ends of the lower die holder 9 are respectively provided with an upward first open slot 17, and the first open slot 17 and the first positioning lug 16 form positioning fit when die assembly is carried out. Preferably, the first opening groove 17 and the first positioning protrusion 16 form a sliding fit through the self-lubricating sliding plate 19 when the mold is closed, the self-lubricating sliding plate 19 can effectively reduce friction, and the abrasion of the self-lubricating sliding plate 19 can reduce the abrasion of the mold base. The self-lubricating guide plate is provided with a bolt counter bore, the self-lubricating guide plate is fixedly connected with the die holder or the material pressing device through a connecting bolt in the bolt counter bore, and the self-lubricating guide plate can be rapidly detached and replaced by adopting the structure.
Preferably, four cast-in type lifting rods 20 distributed in a matrix are arranged on the outer wall of the upper die holder 1, four cast-in type lifting rods 20 distributed in a matrix are arranged on the outer wall of the lower die holder 9, and the cast-in type lifting rods 20 are arranged to facilitate hoisting and debugging of the upper die holder 1 and the lower die holder 9. Four rigid limiting blocks 21 distributed in a matrix are arranged on the lower die base 9, the rigid limiting blocks 21 limit the upper die base 1, and damage caused by overlarge stress of a molding surface of the die is prevented.
When the scheme is adopted to mold parts, firstly, a plate is placed on a second pressure gauge, positioning is carried out through a positioning pin, when mold closing is started, an upper mold base 1 descends, an upper material pressing device 3 and a material discharging device are matched with each other to finish material pressing, the upper mold base 1 continues to descend, a downward turning convex mold 2 is matched with a downward turning edge to realize downward turning of the end part of the plate, and in the downward turning process, a hole turning convex mold 7 enters a workpiece to be turned over and simultaneously hole turning operation is carried out; the upper die continues to move downwards, the upper material pressing device 3 and the upper die base 1 are upset and compacted, the lower material pressing device 11 starts to move downwards, the upper flanging male die is matched with the upper flanging edge to realize the flanging operation of the side edge of the workpiece, and finally the upper die base 1 continues to move downwards to realize the upsetting of the lower material pressing device 11 and the lower die base 9, so that the upsetting of the whole die is realized, and the flanging operation is completed; when the die is opened, the lower material pressing device 11 moves upwards under the action of the second elastic component 14 to realize material ejection, when the upper die base 1 moves upwards to the upper limit position, a whole flanging operation flow is completed, and a workpiece is taken out and discharged to perform the next cycle operation. The first opening groove 17 and the first positioning lug 16 form positioning fit when the mold is closed. Adopt the utility model discloses, its simple structure is compact, can accomplish the upper and lower turn-ups and the hole flanging operation of car reinforcing plate, and the work piece kick-backs for a short time, can realize repairing the mould fast, changing the mould, and production quality and effect are stable, can practice thrift manufacturing cost. Adopt the utility model discloses, can two sheet materials of one shot forming, production efficiency is high, can effectively improve the productivity, and production quality and effect are stable, practice thrift the cost, can realize repairing fast, changing the mould by the quick replacement module simultaneously.
Claims (9)
1. The utility model provides an upper and lower turn-ups mould of inner panel reinforcing plate on car B post, includes upper die base (1), die holder (9), its characterized in that: the die is characterized in that lower flanging dies (2) which are symmetrical to each other are arranged at two ends of the upper end of the upper die base (1), a downward cavity is arranged between the two lower flanging dies (2) of the upper die base (1), an upper pressure feeder (3) which floats up and down is arranged in the cavity, first pressure feeder surfaces (31) are symmetrically arranged on the upper pressure feeder (3), upper flanging edges are arranged on two sides of each first pressure feeder surface (31), upsetting blocks (5) are arranged at the top of the upper pressure feeder (3) and the bottom of the cavity, a first elastic assembly (6) is arranged between the upper pressure feeder (3) and the bottom of the cavity of the upper die base (1), two hole flanging dies (7) which are symmetrical to each other and face downwards are arranged at the bottom of the cavity, abdicating holes of the flanging dies are correspondingly arranged on the upper pressure feeder (3), and upper limiting blocks (8) are arranged at two side edges of the end of the cavity of the upper, the upper limiting block (8) is matched with the upper material pressing device (3) to axially limit the material pressing device through an extending part extending towards the inside of the concave cavity; the die holder (9) is provided with an upward cavity, two groups of upper flanging male dies (10) are symmetrically arranged in the cavity, a lower material pressing device (11) floating up and down is arranged in the cavity, the upper end of the lower material pressing device (11) is symmetrically provided with a second material pressing profile (111), the second material pressing profile (111) is provided with a vertical upward positioning taper pin (13), the first material pressing profile (31) is correspondingly provided with a yielding hole giving the positioning taper pin (13) to yield, two ends of the lower material pressing device (11) are provided with lower turning edges, the bottoms of the lower material pressing device (11) and the bottom of the cavity of the die holder (9) are respectively provided with a upsetting solid block (5), a second cavity elastic component (14) is arranged between the bottoms of the lower material pressing device (11) and the die holder (9), wherein the applied elastic force of the second elastic component (14) is greater than the applied force of the first elastic component (6), the lower limiting blocks (15) are arranged on the edges of the two sides of the opening end of the concave cavity of the lower die holder (9), and the extension parts of the lower limiting blocks (15) extending towards the inside of the concave cavity are matched with the lower material pressing device (11) to axially limit the material pressing device; the die is characterized in that first positioning convex blocks (16) protruding downwards are arranged at two ends of the upper die base (1) respectively, upward first open grooves (17) are arranged at two ends of the lower die base (9) respectively, and the first open grooves (17) and the first positioning convex blocks (16) form positioning fit in die assembly.
2. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: the edge of the second pressing molding surface (111) is provided with a vertical material guide pin (18), and one side of the material guide pin (18) facing the molding surface is provided with a guide inclined surface.
3. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: the cavity of the upper die holder (1) is in sliding fit with the upper material pressing device (3) through the self-lubricating sliding plate (19), and the cavity of the lower die holder (9) is in sliding fit with the lower material pressing device (11) through the self-lubricating sliding plate (19).
4. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: the first opening groove (17) and the first positioning lug (16) form sliding fit through a self-lubricating sliding plate (19) during die assembly.
5. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 3 or 4, is characterized in that: the self-lubricating guide plate (19) is provided with a bolt counter bore, and the self-lubricating guide plate (19) is fixedly connected with the die holder or the material pressing device through a connecting bolt in the bolt counter bore.
6. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: the downward flanging male die (2) and the hole flanging male die (7) are fixed on the die holder through screws and pins.
7. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: the outer wall of the upper die base (1) is provided with four cast-in type lifting rods (20) distributed in a matrix manner, and the outer wall of the lower die base (9) is provided with four cast-in type lifting rods (20) distributed in a matrix manner.
8. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: a plurality of arrays of nitrogen springs are arranged between the upper material pressing device (3) and the bottom of the cavity of the upper die holder (1) and serve as first elastic components (6), and a plurality of arrays of nitrogen springs are arranged between the lower material pressing device (11) and the bottom of the cavity of the lower die holder (9) and serve as second elastic components (14).
9. The upper and lower flanging dies for the automobile B-pillar upper inner plate reinforcing plate according to claim 1, is characterized in that: four rigid limiting blocks (21) distributed in a matrix are arranged on the lower die base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920140468.9U CN209830018U (en) | 2019-01-28 | 2019-01-28 | Upper and lower flanging die for upper inner plate reinforcing plate of automobile B column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920140468.9U CN209830018U (en) | 2019-01-28 | 2019-01-28 | Upper and lower flanging die for upper inner plate reinforcing plate of automobile B column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209830018U true CN209830018U (en) | 2019-12-24 |
Family
ID=68902709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920140468.9U Expired - Fee Related CN209830018U (en) | 2019-01-28 | 2019-01-28 | Upper and lower flanging die for upper inner plate reinforcing plate of automobile B column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209830018U (en) |
-
2019
- 2019-01-28 CN CN201920140468.9U patent/CN209830018U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210128 |