CN214919601U - Sheet metal part stretch forming tool - Google Patents
Sheet metal part stretch forming tool Download PDFInfo
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- CN214919601U CN214919601U CN202121078447.2U CN202121078447U CN214919601U CN 214919601 U CN214919601 U CN 214919601U CN 202121078447 U CN202121078447 U CN 202121078447U CN 214919601 U CN214919601 U CN 214919601U
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- 239000002184 metal Substances 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 230000003028 elevating effect Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a sheet metal component stretch forming frock, comprising a base plate, bottom plate upper end symmetry fixedly connected with curb plate, curb plate upper end fixedly connected with roof, bottom plate upper end middle part fixedly connected with die, the die top is provided with presses the limit ring, press limit ring both ends symmetry fixedly connected with connecting rod, the connecting rod bottom is provided with flexible telescopic link, be provided with elevating gear on the roof, fixed plate bottom middle part fixedly connected with terrace die. This kind of sheet metal component stretch forming frock passes through elevating gear and drives the terrace die and move down, mutually supports with the die, realizes the shaping of work piece toper portion, and when terrace die and die agreed with each other, the fixed plate pushes down the blank pressing ring for blank pressing ring lower surface and terrace die upper surface extrusion work piece realize the shaping of work piece flat board portion, and the profile that obtains is difficult for rebounding the deformation, and the shaping is effectual.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a sheet metal component stretch forming frock.
Background
With the rapid development of the aviation industry, many sheet metal parts can be needed in the machining production of an aero-engine, the sheet metal forming technology is widely applied, the forming mode is diversified, the sheet metal forming technologies such as stretching and flanging are widely applied, the sheet metal forming technology has irreplaceable advantages compared with mechanical machining, the sheet metal forming technology is widely applied in the fields of automobiles, aviation and the like, the sheet metal parts need tool constraint in the forming process, when the sheet metal parts are subjected to stretch forming, a specific forming die is needed to be matched with the sheet metal profile needed by forming, specific die tools are lacked for the parts shown in the figure 3, and therefore the workpiece is difficult to stretch form, or the required profile cannot be achieved after forming. Therefore, a sheet metal part stretch forming tool is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sheet metal component stretch forming frock to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sheet metal part stretch forming tool comprises a bottom plate, wherein a side plate is symmetrically and fixedly connected to the upper end of the bottom plate, a top plate is fixedly connected to the upper end of the side plate, a female die is fixedly connected to the middle part of the upper end of the bottom plate, a conical groove is formed in the middle of the female die, a blank pressing ring is arranged above the female die, a through hole is formed in the middle of the blank pressing ring, connecting rods are symmetrically and fixedly connected to two ends of the blank pressing ring, the end parts of the connecting rods are connected to the side surface of the side plate in a sliding mode, an elastic telescopic rod is arranged at the bottom end of each connecting rod, a lifting device is arranged on the top plate, a fixing plate is connected to the bottom end of the lifting device, a male die is fixedly connected to the middle of the bottom end of the fixing plate and matched with the outline of the conical groove, a plurality of guide rods which are arranged in an annular mode are fixedly connected to the upper edge of the blank pressing ring, guide holes are formed in one-to-one correspondence with the guide rods, the guide rod can be inserted into the guide hole.
Preferably, the side of the conical groove is provided with a plurality of exhaust holes which are arranged at equal intervals and penetrate through the female die.
Preferably, the side that the curb plate is close to each other is provided with the second spout, the tip fixedly connected with second slider that the connecting rod was kept away from each other, second slider sliding connection is in the second spout.
Preferably, the elastic telescopic rod comprises a first supporting rod, a second supporting rod and a spring, the upper end of the first supporting rod is fixedly connected to the bottom end of the connecting rod, the bottom end of the first supporting rod is coaxially inserted into the second supporting rod, the bottom end of the second supporting rod is fixedly connected to the upper end of the bottom plate, and the spring is arranged between the bottoms of the first supporting rod and the second supporting rod.
Preferably, the lifting device comprises an air cylinder and a piston rod, the air cylinder is fixedly connected to the upper end of the top plate, the piston rod is arranged at the bottom of the air cylinder, and the bottom end of the piston rod penetrates through the top plate and is fixedly connected to the upper end of the fixing plate.
Preferably, a first sliding block is fixedly connected to a side face of the bottom of the first supporting rod, a first sliding groove is formed in the inner wall of the second supporting rod, and the first sliding block is slidably connected in the first sliding groove.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of sheet metal component stretch forming frock passes through elevating gear and drives the terrace die and move down, mutually support with the die, realize the shaping of work piece toper portion, when terrace die and die agree with each other, the fixed plate pushes down the blank holder ring, make blank holder ring lower surface and terrace die upper surface extrusion work piece, realize the shaping of work piece flat part, the blank holder ring can be fixed the work piece in the shaping process simultaneously, make difficult emergence aversion when the part produces plastic deformation, the difficult rebound of the profile that obtains warp, the shaping is effectual, utilize the exhaust hole to take place the gas discharge bell groove that produces when extruding between die and the terrace die in addition, avoid gas pressure to make the work piece shaping incomplete, the cooperation of guide bar and guiding hole, it is spacing to the terrace die, improve the shaping accuracy.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is a schematic view of the blank holder of the present invention;
fig. 3 is a cross-sectional view of a workpiece.
In the figure: the device comprises a bottom plate 1, a side plate 2, a top plate 3, a female die 4, a conical groove 5, an exhaust hole 6, a blank holder 7, a through hole 8, a guide rod 9, a connecting rod 10, an elastic telescopic rod 11, a first support rod 12, a second support rod 13, a spring 14, a first sliding groove 15, a first sliding block 16, a second sliding groove 17, a second sliding block 18, a fixing plate 19, a male die 20, a guide hole 21, a lifting device 22, an air cylinder 23, a piston rod 24, a conical part 25 and a flat plate part 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a sheet metal part stretch forming tool comprises a bottom plate 1, wherein the upper end of the bottom plate 1 is symmetrically and fixedly connected with side plates 2, the upper ends of the side plates 2 are fixedly connected with a top plate 3, the middle part of the upper end of the bottom plate 1 is fixedly connected with a female die 4, the middle part of the female die 4 is provided with a conical groove 5, and the conical groove 5 is matched with the outline of a conical part 25 of a workpiece in the figure 3;
a blank holder 7 is arranged above the female die 4, a through hole 8 is formed in the middle of the blank holder 7, the blank holder 7 carries out blank holder forming on the flat plate part 26 of the workpiece in the drawing 3, and meanwhile, the blank holder 7 can fix the workpiece to avoid the workpiece from shifting in the machining process to cause difficulty in forming the workpiece;
the two ends of the edge pressing ring 7 are symmetrically and fixedly connected with connecting rods 10, the end parts of the connecting rods 10 are connected to the side faces of the side plates 2 in a sliding mode, and the connecting rods 10 are driven to slide on the side plates 2 in the process that the edge pressing ring 7 moves up and down, so that the edge pressing ring 7 is guided and limited to move;
the bottom end of the connecting rod 10 is provided with an elastic telescopic rod 11, the elastic telescopic rod 11 can support the connecting rod 10 and the blank holder 7, when the blank holder 7 moves downwards, the connecting rod 10 is driven to move downwards, the connecting rod 10 compresses the elastic telescopic rod 11, and when the acting force above the blank holder 7 is removed, the blank holder 7 is reset under the elastic action of the elastic telescopic rod 11;
the top plate 3 is provided with a lifting device 22, the bottom end of the lifting device 22 is connected with a fixing plate 19, the middle part of the bottom end of the fixing plate 19 is fixedly connected with a male die 20, the male die 20 is matched with the outline of the tapered groove 5, when a workpiece is formed, the workpiece is firstly placed in the middle part above the female die 4, the workpiece is positioned between the edge pressing ring 7 and the female die 4, the lifting device 22 is started, the lifting device 22 drives the male die 20 to move downwards, the male die 20 penetrates through the through hole 8 in the middle part of the edge pressing ring 7 to press the workpiece downwards, the male die 20 and the tapered groove 5 on the female die 4 are matched with each other to form a tapered part 25 on the workpiece, meanwhile, in the process that the fixing plate 19 moves downwards, the edge pressing ring 7 is driven downwards to move until the edge pressing ring is abutted against the upper surface of the female die 4 to press the workpiece, a flat plate part 26 of the workpiece is formed, and the edge pressing ring 7 can fix the workpiece to avoid the displacement of the workpiece in the forming process, the forming quality of the workpiece is improved;
When the device is used, firstly, a workpiece is placed in the middle above the female die 4, the workpiece is positioned between the edge pressing ring 7 and the female die 4, the lifting device 22 is started, the lifting device 22 drives the male die 20 to move downwards, the male die 20 penetrates through the through hole 8 in the middle of the edge pressing ring 7 to press the workpiece downwards, the male die 20 and the tapered groove 5 on the female die 4 are matched with each other, so that the tapered part 25 on the workpiece is formed, meanwhile, the edge pressing ring 7 is driven downwards to move in the downward moving process of the fixing plate 19, the guide rod 9 at the upper end of the edge pressing ring 7 can be inserted into the corresponding guide hole 21 to play a guiding and limiting role in guiding the fixing plate 19, so that the edge pressing ring 7 moves downwards until the edge pressing ring is abutted against the upper surface of the female die 4 to extrude the workpiece, so that the flat plate part 26 of the workpiece is formed, meanwhile, the edge pressing ring 7 can fix the workpiece, the workpiece is prevented from shifting in the forming process, and in the downward moving process of the edge pressing ring 7, drive connecting rod 10 and move down, connecting rod 10 compression elasticity telescopic link 11, when the effort of blank holder 7 top is got rid of, then under the elastic action of elasticity telescopic link 11, blank holder 7 resets.
Further, the side of the conical groove 5 is provided with the exhaust holes 6, the exhaust holes 6 are arranged in a plurality of and equidistant arrangement, the exhaust holes 6 penetrate through the female die 4, when the male die 20 and the conical groove 5 are extruded mutually, gas can generate pressure, the gas can be exhausted from the exhaust holes 6, and the phenomenon that the workpiece is molded incompletely due to the gas pressure is avoided.
Further, the side that curb plate 2 is close to each other is provided with second spout 17, and the tip fixedly connected with second slider 18 that connecting rod 10 kept away from each other, second slider 18 sliding connection are in second spout 17, and second slider 18 and second spout 17 mutually support, play spacing guide effect to the removal of connecting rod 10.
Further, the elastic telescopic rod 11 comprises a first supporting rod 12, a second supporting rod 13 and a spring 14, the upper end of the first supporting rod 12 is fixedly connected to the bottom end of the connecting rod 10, the bottom end of the first supporting rod 12 is coaxially inserted into the second supporting rod 13, the bottom end of the second supporting rod 13 is fixedly connected to the upper end of the bottom plate 1, the spring 14 is arranged between the bottom end of the first supporting rod 12 and the bottom end of the second supporting rod 13, the inserting structure of the first supporting rod 12 and the second supporting rod 13 achieves the telescopic function, the spring 14 enables the elastic telescopic rod to have elasticity, and the spring 14 can drive the blank holder 7 to reset when the external force is lost.
Further, elevating gear 22 includes cylinder 23 and piston rod 24, and cylinder 23 fixed connection is in roof 3 upper end, and cylinder 23 bottom is provided with piston rod 24, and piston rod 24 bottom runs through roof 3 setting and fixed connection in fixed plate 19 upper end, and cylinder 23 and piston rod 24 realize raising and lowering functions, drive fixed plate 19 and reciprocate in vertical direction.
Furthermore, the side face of the bottom of the first support rod 12 is fixedly connected with a first sliding block 16, the inner wall of the second support rod 13 is provided with a first sliding groove 15, the first sliding block 16 is connected in the first sliding groove 15 in a sliding manner, and the first sliding block 16 and the first sliding groove 15 play a role in limiting and guiding the first support rod 12, so that the first support rod 12 is prevented from being separated from the second support rod 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sheet metal component stretch forming frock, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is symmetrically and fixedly connected with side plates (2), the upper end of each side plate (2) is fixedly connected with a top plate (3), the middle part of the upper end of the bottom plate (1) is fixedly connected with a female die (4), the middle part of the female die (4) is provided with a conical groove (5), an edge pressing ring (7) is arranged above the female die (4), the middle part of the edge pressing ring (7) is provided with a through hole (8), two ends of the edge pressing ring (7) are symmetrically and fixedly connected with connecting rods (10), the end part of each connecting rod (10) is slidably connected to the side surface of the corresponding side plate (2), the bottom end of each connecting rod (10) is provided with an elastic telescopic rod (11), the top plate (3) is provided with a lifting device (22), the bottom end of each lifting device (22) is connected with a fixing plate (19), the middle part of the bottom end of each fixing plate (19) is fixedly connected with a male die (20), and the male die (20) is matched with the profile of the conical groove (5), the utility model discloses a blank pressing ring, including blank pressing ring (7), fixed plate (19), guide bar (9) that a plurality of rings of edge fixedly connected with were arranged, fixed plate (19) bottom edge is provided with guiding hole (21), guiding hole (21) and guide bar (9) one-to-one set up, but guide bar (9) plug-in advances in guiding hole (21).
2. The sheet metal part stretch forming tool according to claim 1, characterized in that: the side of the conical groove (5) is provided with exhaust holes (6), the exhaust holes (6) are arranged at intervals, and the exhaust holes (6) penetrate through the female die (4).
3. The sheet metal part stretch forming tool according to claim 1, characterized in that: the side that curb plate (2) are close to each other is provided with second spout (17), the tip fixedly connected with second slider (18) that connecting rod (10) kept away from each other, second slider (18) sliding connection is in second spout (17).
4. The sheet metal part stretch forming tool according to claim 1, characterized in that: elastic expansion pole (11) include first bracing piece (12), second bracing piece (13) and spring (14), fixed connection is in connecting rod (10) bottom in first bracing piece (12) upper end, first bracing piece (12) bottom is coaxial to be inserted and to be established in second bracing piece (13), second bracing piece (13) bottom fixed connection is in bottom plate (1) upper end, be provided with spring (14) between the bottom in first bracing piece (12) bottom and second bracing piece (13).
5. The sheet metal part stretch forming tool according to claim 1, characterized in that: elevating gear (22) include cylinder (23) and piston rod (24), cylinder (23) fixed connection is in roof (3) upper end, cylinder (23) bottom is provided with piston rod (24), roof (3) setting and fixed connection are run through in piston rod (24) bottom are in fixed plate (19) upper end.
6. The sheet metal component stretch forming tool according to claim 4, characterized in that: the support device is characterized in that a first sliding block (16) is fixedly connected to the side face of the bottom of the first support rod (12), a first sliding groove (15) is formed in the inner wall of the second support rod (13), and the first sliding block (16) is connected in the first sliding groove (15) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121078447.2U CN214919601U (en) | 2021-05-20 | 2021-05-20 | Sheet metal part stretch forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121078447.2U CN214919601U (en) | 2021-05-20 | 2021-05-20 | Sheet metal part stretch forming tool |
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| Publication Number | Publication Date |
|---|---|
| CN214919601U true CN214919601U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121078447.2U Active CN214919601U (en) | 2021-05-20 | 2021-05-20 | Sheet metal part stretch forming tool |
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| Country | Link |
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| CN (1) | CN214919601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117259530A (en) * | 2023-09-22 | 2023-12-22 | 中国长江动力集团有限公司 | Press forming device |
-
2021
- 2021-05-20 CN CN202121078447.2U patent/CN214919601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117259530A (en) * | 2023-09-22 | 2023-12-22 | 中国长江动力集团有限公司 | Press forming device |
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