CN217726864U - Special-shaped thin-wall part stamping die - Google Patents
Special-shaped thin-wall part stamping die Download PDFInfo
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- CN217726864U CN217726864U CN202221500641.XU CN202221500641U CN217726864U CN 217726864 U CN217726864 U CN 217726864U CN 202221500641 U CN202221500641 U CN 202221500641U CN 217726864 U CN217726864 U CN 217726864U
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Abstract
The utility model belongs to the technical field of the high-precision equipment of low temperature, a dysmorphism thin wall part stamping die is disclosed. This dysmorphism thin wall part stamping die, including female mold core, the positive mold core, mould base and outer fringe clamp plate, set up the resettlement groove on the mould base, set up on the outer fringe clamp plate and just position the groove, the resettlement groove is used for placing the female mold core, the groove of taking one's place is used for placing the positive mold core, can change different female mold core and positive mold core according to the difference of punching press degree of depth, the manufacturing cost of mould has been reduced, simultaneously in stamping process, make the edge of treating the stamping workpiece can slide along the clearance between outer fringe clamp plate and the mould base, guarantee that the product thickness of punching press is even, no fold, no fracture, very big improvement the quality of the product after the punching press.
Description
Technical Field
The utility model relates to a high precision equipment technical field of low temperature especially relates to a dysmorphism thin wall part stamping die.
Background
At present, complex special-shaped stamping parts with extremely thin wall thickness are often used on low-temperature instrument equipment and precision equipment, which is determined by special requirements of heat conduction and heat insulation to reduce interference. The thin-wall stamping part is made of stainless steel sheets with the thickness of 0.2-0.3 mm. The stainless steel sheet is too thin in wall thickness, and the punched product is often wrinkled, and particularly, the product with large depth is cracked at the corners. When products with different punching depths are punched, a plurality of sets of dies are required, and the cost is high.
Therefore, a special-shaped thin-wall part stamping die is needed to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dysmorphism thin wall part stamping die has solved and has appeared fold, cracked phenomenon in the stamping process part, has improved the quality of the product after the suppression.
To achieve the purpose, the utility model adopts the following technical proposal:
a special-shaped thin-wall part stamping die comprises:
the male mold core is provided with a bulge, and the bulge is matched with the groove;
the mould base comprises a placement groove, and the female mould core is placed in the placement groove;
the outer fringe clamp plate, with the mould pedestal connection, the outer fringe clamp plate is including just position the groove, the tank bottom in just position the groove is provided with the guide way, the positive mold core place in just position the groove, just the arch is worn to establish can with behind the guide way the recess phase-match, treat the stamping workpiece place in the up end of negative mold core, the outer fringe clamp plate is configured to prevent at the stamping process treat the edge of stamping workpiece produces the fold.
Optionally, the bottom of the placement groove is provided with an air exhaust channel configured to exhaust air in the mold cavity.
Optionally, the mold base further comprises a gap adjustment sheet disposed on the upper end surface of the mold base.
Optionally, the special-shaped thin-walled part stamping die further comprises a positioning piece, the positioning piece is arranged on the die base, and the positioning piece is configured to position the outer edge pressing plate.
Optionally, the positioning element comprises a positioning pin, the positioning pin is arranged on the die base, a positioning hole is arranged on the outer edge pressing plate, and the positioning pin penetrates through the positioning hole.
Optionally, the mold base is provided with three positioning pins, the outer edge pressing plate is provided with three positioning holes, and each positioning pin corresponds to one positioning hole.
Optionally, the outer edge platen is removably connected to the mold base.
Optionally, the outer edge pressing plate is fastened to the mold base through a pressing plate bolt.
Optionally, a sunken groove is formed in the outer edge pressing plate, and a nut of the pressing plate bolt is arranged in the sunken groove.
Optionally, the special-shaped thin-wall part stamping die further comprises a demoulding bolt, a threaded hole is formed in the bottom of the placing groove, and the demoulding bolt is screwed into the threaded hole to eject the male die core.
Has the beneficial effects that:
the utility model provides a dysmorphism thin wall part stamping die, including female mold core, male mold core, mold base and outer fringe clamp plate, set up the resettlement groove on the mold base, the resettlement groove is used for placing female mold core, set up the groove of just standing on the outer fringe clamp plate, the guide way is seted up to the tank bottom in groove of just standing, male mold core's arch can remove along the guide way, it can the complete holding in the groove of taking one's place to remove the back formpiston core that targets in place, this dysmorphism thin wall part stamping die can change different female mold core and formpiston core according to the difference of punching press degree of depth, greatly reduced the manufacturing cost of mould, simultaneously in stamping process, the messenger treats that the edge of stamping workpiece can slide along the clearance between outer fringe clamp plate and the mold base, guarantee that the product thickness of punching press is even, no fold, no fracture, this thin wall dysmorphism part stamping die is very big the quality of the product after the punching press of having improved.
Drawings
Fig. 1 is an exploded sectional view of a stamping die for special-shaped thin-wall parts provided by the present invention;
fig. 2 is a schematic structural diagram of the stamping die for special-shaped thin-walled parts provided by the utility model.
In the figure:
1000. stamping a piece;
100. a female mold core; 110. a groove;
200. a male mold core; 210. a protrusion;
300. a mold base; 310. a placing groove; 320. an exhaust passage; 330. a gap adjustment sheet; 340. sinking the tank;
400. an outer edge pressing plate; 410. an in-place slot; 411. a guide groove;
500. a positioning member;
600. a platen bolt;
700. an oil press.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-2, the present embodiment provides a stamping die for thin-walled shaped parts, which includes a female die core 100, a male die core 200, a die base 300 and an outer edge pressing plate 400, wherein the female die core 100 is provided with a groove 110, the male die core 200 is provided with a protrusion 210, the protrusion 210 can be completely matched with the groove 110 after the female die core 100 and the male die core 200 are assembled together, the die base 300 includes a placement groove 310, the female die core 100 is placed in the placement groove 310, the outer edge pressing plate 400 includes a location groove 410, the bottom of the location groove 410 is provided with a guide groove 411, the male die core 200 can be received in the location groove 410 after the stamping of a to-be-stamped part 1000 is completed, specifically, during the stamping process, the to-be-stamped part 1000 is placed on the upper end face of the female die core 100, the outer edge pressing plate 400 is assembled with the die base 300, the male die core 200 is placed in the location groove 410, the protrusion 210 of the male die core 200 can pass through the guide groove 411, then a pressing head of a manual oil press 700 and a certain pressure can be applied to the male die core 200, the male die core 200 can move along the guide groove 411, the guide groove, the male die core 200 can be completely matched with the male die core 200, and the male die core 200, the male die core 200 can be completely pressed in the male die core 200, and the male die core 200 can be pressed in the male die core 200, and the male die core 200 can be pressed groove 411.
The special-shaped thin-wall part stamping die provided by the embodiment can replace different female die cores 100 and male die cores 200 according to different stamping depths, so that the manufacturing cost of the die is greatly reduced, meanwhile, in the stamping process, the edge of a workpiece to be stamped 1000 can slide along the gap between the outer edge pressing plate 400 and the die base 300, the thickness of a stamped product is uniform, no wrinkle or fracture exists, and the quality of the stamped product is greatly improved.
Preferably, in other embodiments, the radiuses of the corners of the female mold core 100 and the male mold core 200 may be appropriately adjusted according to the different punching depths, for example, when a product with a larger punching depth needs to be punched, the radiuses of the corners of the male mold core 200 and the female mold core 100 may be appropriately increased, and when a product with a smaller punching depth needs to be punched, the radiuses of the corners of the female mold core 100 and the male mold core 200 may be appropriately decreased, so as to ensure that the punched product has a uniform thickness, no wrinkles and no cracks, and further improve the quality of the punched product.
Preferably, as shown in fig. 1, the bottom of the placement groove 310 is provided with a vent channel 320, and the vent channel 320 can exhaust air trapped in the mold cavity, so that the to-be-stamped part 1000 is more fit with the groove 110 of the female mold core 100, and the quality of the product is improved.
Preferably, as shown in fig. 1, the mold base 300 further includes a gap tab 330, and the gap tab 330 is disposed on an upper end surface of the mold base 300. The clearance adjustment sheet 330 can ensure that a reasonable clearance is formed between the outer edge pressing plate 400 and the mold base 300, the service life of the mold can be prolonged through the reasonable clearance, the discharging is convenient, burrs and turned edges of products are reduced, and the cleanness of the plates is kept.
Specifically, be equipped with at the up end of female die core 100 with treat that the stamping workpiece 1000 appearance assorted constant head tank can guarantee on the one hand that the position that treats stamping workpiece 1000 and place is accurate, improves the precision of punching press back product. On the other hand, the degree of depth of constant head tank is slightly lower than the thickness of treating stamping workpiece 1000, makes to treat that stamping workpiece 1000 can bulge the constant head tank slightly, can make constant head tank and clearance trimmer 330 produce synergistic effect, forms certain clearance between outer edge clamp plate 400 and die base 300, and this clearance can be guaranteed at the punching press in-process, treats that the edge of stamping workpiece 1000 slides to the center along the clearance, guarantees that the edge of treating stamping workpiece 1000 can not the fold, improves the quality of the product after the punching press.
Preferably, as shown in fig. 2, the special-shaped thin-walled part stamping die further includes a positioning element 500, the positioning element 500 is disposed on the die base 300, and the positioning element 500 is used for positioning the outer edge pressing plate 400 in the process of assembling the outer edge pressing plate 400 and the die base 300, so as to ensure that the position of the outer edge pressing plate 400 is accurate, and improve the assembling efficiency.
Further, the positioning member 500 includes a positioning pin, the positioning pin is disposed on the mold base 300, the outer edge pressing plate 400 is provided with a positioning hole, the positioning pin penetrates through the positioning hole, and the positioning pin and the positioning hole are matched to perform positioning.
As shown in fig. 2, in this embodiment, the mold base 300 is rectangular, and similarly, the outer edge pressing plate 400 is also rectangular, any three vertex angles may be selected from the four vertex angles of the mold base 300, each vertex angle is provided with a positioning pin, the outer edge pressing plate 400 corresponding to each positioning pin is provided with a positioning hole, on one hand, the outer edge pressing plate 400 can be positioned more accurately by arranging three positioning pins to cooperate with the three positioning holes, on the other hand, the three positioning pins limit the assembling direction of the outer edge pressing plate 400 and the mold base 300, so that the outer edge pressing plate 400 can be assembled with the mold base 300 only along one direction, the assembling efficiency is improved, and the precision of a pressed product is ensured.
Preferably, the outer edge platen 400 is removably attached to the mold base 300 to facilitate quick removal.
Further, as shown in fig. 1 and fig. 2, the outer edge pressing plate 400 is fastened and connected with the mold base through 300 pressing plate bolts 600, in this embodiment, a plurality of pressing plate bolts 600 are arranged in the circumferential direction of the outer edge pressing plate 400, so that firm connection between the outer edge pressing plate 400 and the mold base 300 can be ensured, and the pressing precision of a pressed part is prevented from being affected due to the deviation of the outer edge pressing plate 400 in the pressing process.
Preferably, as shown in fig. 2, in the embodiment, the platen bolts 600 for connecting the outer edge platen 400 and the mold base 300 are socket head cap bolts, the outer edge platen 400 is provided with the sunken grooves 340, and the nuts of the socket head cap bolts are all arranged in the sunken grooves 340, so that the protrusions 210 on the upper end surface of the outer edge platen 400 are reduced, and the outer edge platen 400 is prevented from interfering with the manual oil press 700.
Preferably, the special-shaped thin-walled part stamping die further comprises a stripping bolt (not shown in the figure), and the bottom of the placing groove 310 is provided with a threaded hole (not shown in the figure), and the stripping bolt is screwed into the threaded hole to eject the male die core 200 for stripping. It should be noted that the product of the to-be-stamped part 1000 in this embodiment is annular, so that the demolding bolt can penetrate through the middle of the annular to eject the male mold core 200, in other embodiments, the setting position of the threaded hole may be determined according to the shape of the to-be-stamped part 1000, as long as it is ensured that the demolding bolt does not interfere with the to-be-stamped part 1000 after penetrating through the threaded hole, and the setting position of the threaded hole is not specifically limited.
Specifically, taking a stainless steel plate of 0.2mm to 0.3mm as an example, the stainless steel plate of 0.2mm is preferred in this embodiment, and the stamping process of the stamping die for the special-shaped thin-walled part provided in this example is as follows:
firstly, placing the female die core 100 into a placing groove 310 of a die base 300, and placing a stainless steel sheet into a positioning groove on the upper end surface of the female die core 100;
next, the outer edge pressing plate 400 is assembled with the mold base 300 by means of positioning pins and is fixedly coupled with the mold base 300 by means of hexagon socket head cap bolts, and the male mold core 200 is placed in the seating groove 410 of the outer edge pressing plate such that the protrusion 210 of the male mold core 200 protrudes into the guide groove 411.
And thirdly, operating the manual oil press 700 to enable the pressure head of the manual oil pressure gauge to be in contact with the male mold core 200 and apply a certain pressure, and then properly controlling the feeding speed of the oil press to enable the protrusion 210 of the male mold core 200 to slowly and uniformly move downwards along the guide groove 411 to press the stainless steel sheet into the groove 110 of the female mold core 100 until the male mold core 200 stops moving, so that the stamping process is completed.
Finally, after the stamping operation is completed, a bolt is screwed into a threaded hole at the bottom of the die base 300, the male die core 200 is ejected upwards for demolding, then the pressing plate bolt 600 is unscrewed, the outer edge pressing plate 400 is opened, and the pressed part is taken out.
By means of the stamping die for the special-shaped thin-wall parts, multiple sets of finished parts stamped by the stamping method can be applied to key devices of low-temperature high-precision equipment, and play a vital role in reliable work of the low-temperature high-precision equipment. Practice proves that the process cost for manufacturing the thin-wall pressing product by using the special-shaped thin-wall part stamping die is low, the yield is high, the time is saved, and the economic benefit is also improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a dysmorphism thin wall part stamping die which characterized in that includes:
the mold comprises a female mold core (100) and a male mold core (200), wherein a groove (110) is formed in the female mold core (100), a protrusion (210) is formed in the male mold core (200), and the protrusion (210) is matched with the groove (110);
a mold base (300), the mold base (300) including a seating groove (310), the female mold core (100) being placed in the seating groove (310);
outer fringe clamp plate (400), with die base (300) are connected, outer fringe clamp plate (400) are including just position groove (410), the tank bottom of just position groove (410) is provided with guide way (411), positive mold core (200) place in just position in groove (410), just protruding (210) wear to establish can behind guide way (411) with recess (110) phase-match, treat that stamping workpiece (1000) place in the up end of negative mold core (100), outer fringe clamp plate (400) are configured to prevent in stamping process the edge of treating stamping workpiece (1000) produces the fold.
2. The thin-walled shaped part stamping die of claim 1, wherein the bottom of the seating groove (310) is provided with a vent channel (320), and the vent channel (320) is configured to vent air in the die cavity.
3. The thin-walled profile part stamping die of claim 1, wherein the die base (300) further comprises a clearance tab (330), the clearance tab (330) being disposed on an upper end surface of the die base (300).
4. The thin-walled profile part stamping die of claim 1, further comprising a positioning member (500), the positioning member (500) being disposed on the die base (300), the positioning member (500) being configured to position the outer edge platen (400).
5. The stamping die for special-shaped thin-walled parts as claimed in claim 4, wherein the positioning member (500) comprises a positioning pin, the positioning pin is arranged on the die base (300), and a positioning hole is arranged on the outer edge pressing plate (400), and the positioning pin penetrates through the positioning hole.
6. The thin-walled profile part stamping die of claim 5, wherein three locating pins are provided on the die base (300), and three locating holes are provided on the outer edge platen (400), one for each locating pin.
7. The thin-walled profile part stamping die of claim 1, wherein the outer edge platen (400) is removably connected to the die base (300).
8. The thin-walled profile part stamping die of claim 7, wherein the outer edge platen (400) is securely connected to the die base (300) by platen bolts (600).
9. The thin-walled profile part stamping die of claim 8, wherein the outer edge press plate (400) is provided with a sunken groove (340), and the nut of the press plate bolt (600) is disposed in the sunken groove (340).
10. The thin-walled profile part stamping die according to any one of claims 1 to 9, characterized in that the thin-walled profile part stamping die further comprises a stripping bolt, the bottom of the placement groove (310) is provided with a threaded hole, and the stripping bolt is screwed into the threaded hole to eject the male die core (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221500641.XU CN217726864U (en) | 2022-06-15 | 2022-06-15 | Special-shaped thin-wall part stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221500641.XU CN217726864U (en) | 2022-06-15 | 2022-06-15 | Special-shaped thin-wall part stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217726864U true CN217726864U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221500641.XU Active CN217726864U (en) | 2022-06-15 | 2022-06-15 | Special-shaped thin-wall part stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217726864U (en) |
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2022
- 2022-06-15 CN CN202221500641.XU patent/CN217726864U/en active Active
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