CN212121354U - Trimming die for inner shell of automobile engine cover plate - Google Patents
Trimming die for inner shell of automobile engine cover plate Download PDFInfo
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- CN212121354U CN212121354U CN202020716624.4U CN202020716624U CN212121354U CN 212121354 U CN212121354 U CN 212121354U CN 202020716624 U CN202020716624 U CN 202020716624U CN 212121354 U CN212121354 U CN 212121354U
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Abstract
The utility model relates to a trimming die, in particular to a trimming die for an inner shell of an automobile engine cover plate, which comprises a trimming movable female die, a trimming fixed male die and a pressing die, wherein the trimming movable female die and the pressing die are both positioned above the trimming fixed male die; when the trimming movable female die and the trimming fixed male die shear the workpiece, the shearing end of the cutter and the trimming movable female die shear burrs. Aiming at the defects of the prior art, the utility model does not need to stop production and take out the ring-shaped burrs, thereby ensuring the production efficiency; the hands do not need to extend to the side of the trimming fixed convex die to take the ring-shaped rough edge, so that potential safety hazards are avoided; the automatic trimming machine has the function of preventing the trimming movable concave die from excessively descending to damage the cutter.
Description
Technical Field
The utility model relates to a side cut mould especially relates to an automobile engine apron inner shell cut off die.
Background
Usual trimming die is including cutting edge and decide the die and cut edge and move the terrace die, and the terrace die is moved in cutting edge and be located the side cut and decide the die top, and during the side cut, the side cut moves the terrace die and is close to side cut and decide the die, impresses the forging in cutting edge and deciding the die, and the forging drops, and the deckle edge that downcuts stops on cutting edge and deciding the die, and the trimming die of this kind of structure has following defect:
1) the forged piece falls off and is easy to fall to damage, so that the forged piece is knocked and damaged, and the surface quality of the forged piece is influenced;
2) after trimming, burrs are still left on the trimming fixed female die, the edge of the female die is easy to anneal due to huge heat, and the service life of the female die is reduced;
3) easily cause the deformation of the trimming of the forged piece.
For solving above-mentioned problem, the utility model discloses that the bulletin number of authorizing is CN203737798U provides a cut off die, move the die, cut off edge and decide the terrace die and compress tightly the terrace die including cutting edge, compress tightly the terrace die and cut edge and move the die and all be located to cut edge and decide the terrace die top. During trimming, along with the common descending of the trimming movable female die and the pressing male die, the pressing male die firstly presses the forge piece on the trimming fixed male die, then the pressing male die is fixed, and the trimming movable female die continues to descend and finishes trimming with the trimming fixed male die.
The trimming die has the following defects: because the trimming fixed male die needs to be fixed, the bottom of the trimming fixed male die is provided with the base, if the trimmed rough edges are in a ring shape surrounding the trimming fixed male die, the trimmed rough edges can be piled higher and higher around the trimming fixed male die after trimming a plurality of workpieces until production has to be stopped, and the ring-shaped rough edges are taken out by hands after the pressing male die and the trimming movable female die are lifted, so that the defect is not only unsafe, but also the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a casing cut off die in automobile engine apron has the unhairing limit advantage of circle form of need not manually getting.
The above object of the present invention can be achieved by the following technical solutions: a trimming die for an inner shell of an automobile engine cover plate comprises a trimming movable female die, a trimming fixed male die and a pressing die, wherein the trimming movable female die and the pressing die are both positioned above the trimming fixed male die; when the trimming movable female die and the trimming fixed male die shear the workpiece, the shearing end of the cutter and the trimming movable female die shear burrs.
Through adopting above-mentioned technical scheme, it is down simultaneously with the compression die to cut edge cutting movable die, and the compression die is pressed the work piece and is motionless on the terrace die is decided to the side cut, and the side cut movable die continues down to take place shearing action and cuts out the circled deckle edge with the terrace die of cutting edge cutting, and the cutter cuts off the circled deckle edge simultaneously, pops out owing to the change of internal stress when the circled deckle edge is cut off, and the circled deckle edge that even has some to be cut off falls on the side of terrace die is decided to the side cut also conveniently. The production does not need to be stopped, and the ring-shaped burrs are taken out, so that the production efficiency is not reduced; and hands do not need to extend to the side of the trimming fixed convex die to take the ring-shaped rough edge, so that the potential safety hazard is avoided.
Preferably, the cutters comprise a first cutter and a second cutter, at least one first cutter is arranged on each of two sides of the side cutting fixed convex die in the width direction, and at least one second cutter is arranged at each of two ends of the side cutting fixed convex die in the length direction.
By adopting the technical scheme, the ring-shaped rough edges are respectively scattered from the left front part, the right front part, the left rear part and the right rear part of the trimming fixed convex die after being cut off, and the probability of accumulation of the ring-shaped rough edges at the side of the trimming fixed convex die after being cut off is reduced.
Preferably, the cutting end of the first cutter is V-shaped; the shearing end of the second cutter is provided with a first plane, the trimming movable concave die is provided with a second plane, and the first plane and the second plane are corresponding in position and are parallel to each other.
By adopting the technical scheme, the first cutter with the V-shaped cutting end can not only compact the rough edges, but also cut off the rough edges; the second cutter and the trimming movable female die are matched with each other to shear, and the trimming movable female die has the capability of shearing thick burrs.
Preferably, the shearing end of the second cutter is provided with a bevel, and the bevel is opposite to the first plane.
Through adopting above-mentioned technical scheme, the deckle edge that cuts off can be along the inclined plane landing, avoids the deckle edge that cuts off to stay on the cutter.
Preferably, an upper template is arranged above the trimming movable female die, the trimming movable female die is fixed relative to the upper template, the trimming movable female die comprises a plurality of modules, and all the modules are connected end to form the trimming movable female die.
Through adopting above-mentioned technical scheme, if there is the module damage in the side cut movable die, can pull down this module alone and change.
Preferably, the lower surface of the upper die plate is fixed with a connecting plate, the upper surface of the connecting plate is provided with a first groove, the lower surface of the connecting plate is provided with a second groove, the first groove is located at the bottom of the second groove, the trimming movable female die is fixed in the second groove, and the side wall of the compression die is matched with the inner side wall of the first groove.
By adopting the technical scheme, the installation of the trimming movable female die and the pressing die on the upper template is realized.
Preferably, a hanger rod and a nitrogen spring are connected between the upper surface of the pressing die and the upper die plate.
By adopting the technical scheme, the movable trimming female die is fixed on the upper template, and the movable trimming female die and the pressing die can simultaneously move downwards under the action of the suspender; when the pressing die is pressed on the trimming fixed convex die and is not moved, the upper die plate and the trimming movable concave die can continuously move downwards under the action of the nitrogen spring, so that the workpiece is sheared.
Preferably, a lower template is arranged below the trimming fixed convex die, the lower template is fixed relative to the trimming fixed convex die, a vertical first positioning column is fixed on the upper surface of the lower template, a vertical second positioning column is fixed on the lower surface of the upper template, and the second positioning column is positioned right above the first positioning column; when the second positioning column is contacted with the first positioning column, the burrs are just cut by the cutter and the trimming movable female die.
Through adopting above-mentioned technical scheme, the effect of first reference column and second reference column is that prevent that the excessive decline of side cut movable die from damaging the cutter.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the production does not need to be stopped, and the ring-shaped burrs are taken out, so that the production efficiency is ensured;
2. the hands do not need to extend to the side of the trimming fixed convex die to take the ring-shaped rough edge, so that potential safety hazards are avoided;
3. the automatic trimming machine has the function of preventing the trimming movable concave die from excessively descending to damage the cutter.
Drawings
FIG. 1 is a front view of an automotive engine cover inner case trimming die;
FIG. 2 is a top view of an automotive engine cover inner casing trimming die;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of a connecting plate;
FIG. 5 is a schematic structural view of the edge cutting movable female die after being connected with a connecting plate;
FIG. 6 is a perspective view of an automotive engine cover inner housing trimming die;
fig. 7 is an enlarged view of a portion a in fig. 6.
In the figure, 1, a movable die for trimming edges; 2. trimming and fixing the male die; 3. compacting the die; 4. a module; 5. a first cutter; 6. a second cutter; 7. a first plane; 8. a second plane; 9. a bevel; 10. mounting a template; 11. a connecting plate; 12. a first groove; 13. a second groove; 14. a boom; 15. a nitrogen spring; 16. a lower template; 17. a first positioning post; 18. a second positioning column; 19. a base plate; 20. and (6) accommodating the tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an automobile engine apron inner shell trimming die, include the lower bolster 16 that from supreme distributing in proper order down, backing plate 19, side cut set terrace die 2, compression die 3 (see fig. 3), cope match-plate pattern 10, backing plate 19 passes through the upper surface of fix with screw in lower bolster 16, the upper surface of backing plate 19 passes through fix with screw side cut set terrace die 2 and four cutters, four cutters contain two first cutters 5 and two second cutters 6, first cutter 5 is located the both sides of 2 width direction of side cut set terrace die, second cutter 6 is located the both ends of 2 length direction of side cut set terrace die, four cutters surround side cut set terrace die 2.
As shown in fig. 3 and 4, the lower surface of the upper die plate 10 is fixed to a connecting plate 11 through screws, a second groove 13 is formed in the lower surface of the connecting plate 11, a trimming movable concave die 1 (see fig. 5) is embedded in the second groove 13, and the trimming movable concave die 1 is fixedly connected with the bottom of the second groove 13 through screws. The tank bottom of second recess 13 sets up first recess 12, and first recess 12 leads to the upper surface of connecting plate 11, and the inside wall of first recess 12 is vertical form, and the lateral wall of compression die 3 and the inside wall sliding fit of first recess 12. The edge cutting movable female die 1 is arranged around the pressing die 3, the inner side wall of the edge cutting movable female die 1 is in sliding fit with the outer side wall of the pressing die 3 in the vertical direction, and the outer side wall of the pressing die 3 is aligned with the outer side wall of the edge cutting fixed male die 2 in the vertical direction.
As shown in fig. 5, the trimming movable die 1 is formed by connecting a plurality of modules 4 end to end, and if one module 4 is damaged, the module 4 can be detached independently for replacement.
As shown in fig. 3, a hanger bar 14 and a nitrogen spring 15 are connected between the upper surface of the pressing die 3 and the upper die plate 10, the bottom of the hanger bar 14 is screwed to the pressing die 3, and the pressing die 3 is suspended below the upper die plate 10 by the hanger bar 14. The upper die plate 10 is provided with an accommodating groove 20, the head of the suspender 14 is positioned in the accommodating groove 20, the head of the suspender 14 can move in the accommodating groove 20 along the vertical direction, the upper die plate 10 is lifted by the pressing die 3 to synchronously move downwards, then when the pressing die 3 presses the trimming and fixing die 2 and cannot continue to move downwards, the upper die plate 10 continues to move downwards, at the moment, the head of the suspender 14 moves upwards in the accommodating groove 20, and the nitrogen spring 15 is compressed.
As shown in fig. 6 and 7, the shearing ends of all the cutters face the movable trimming female die 1, the shearing end of the first cutter 5 is V-shaped, the shearing end of the second cutter 6 is provided with a vertical first plane 7, the movable trimming female die 1 is provided with a vertical second plane 8, and when the movable trimming female die 1 moves downwards, the first plane 7 and the second plane 8 can perform shearing action. The shearing end of the second cutter 6 is also provided with an inclined plane 9, the inclined plane 9 is opposite to the first plane 7, and the cut rough edges can slide along the inclined plane 9, so that the cut rough edges are prevented from remaining on the cutter.
The implementation principle of the embodiment is as follows: the side cut moves die 1 and compresses tightly the mould 3 and descends simultaneously, compresses tightly mould 3 and presses the work piece motionless on side cut stationary punch 2 after that, and side cut moves die 1 and continues down to take place shearing action and cut off the circled deckle edge with side cut stationary punch 2, and the cutter cuts off the circled deckle edge simultaneously, and the circled deckle edge pops out owing to the change of internal stress when being cut off, and even there is some circled deckle edges that are cut off to fall on side cut stationary punch 2 also conveniently to push away with the instrument. The production does not need to be stopped, and the ring-shaped burrs are taken out, so that the production efficiency is not reduced; and hands do not need to extend to the side of the trimming fixed convex die 2 to take the ring-shaped rough edge, so that the potential safety hazard is avoided.
As shown in fig. 6, a vertical first positioning column 17 is fixed on the upper surface of the lower template 16, a vertical second positioning column 18 is fixed on the lower surface of the upper template 10, the second positioning column 18 is located right above the first positioning column 17, when the second positioning column 18 contacts with the first positioning column 17, the cutting tool and the trimming moving die 1 just cut burrs, and the trimming moving die 1 is prevented from excessively descending and damaging the cutting tool.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an automobile engine apron inner shell body trimming die, moves die (1), side cut and decides terrace die (2), hold-down die (3) including side cut, and side cut moves die (1) and hold-down die (3) and all is located side cut and decides terrace die (2) top, its characterized in that: the periphery of the trimming fixed convex die (2) is provided with a cutter, the cutter is fixed relative to the trimming fixed convex die (2), and the shearing end of the cutter faces the trimming movable concave die (1); when the trimming movable female die (1) and the trimming fixed male die (2) shear a workpiece, the shearing end of the cutter and the trimming movable female die (1) shear burrs.
2. The trimming die for the inner shell of the engine cover plate of the automobile as claimed in claim 1, wherein: the cutter includes first cutter (5) and second cutter (6), and the both sides of side cut terrace die (2) width direction all are equipped with at least one first cutter (5), and the both ends of side cut terrace die (2) length direction all are equipped with at least one second cutter (6).
3. The trimming die for the inner shell of the engine cover plate of the automobile as claimed in claim 2, wherein: the shearing end of the first cutter (5) is V-shaped; the shearing end of the second cutter (6) is provided with a first plane (7), the trimming movable concave die (1) is provided with a second plane (8), and the first plane (7) and the second plane (8) are corresponding in position and are parallel to each other.
4. The trimming die for the inner shell of the engine cover plate of the automobile according to claim 3, characterized in that: the shearing end of the second cutter (6) is provided with an inclined plane (9), and the inclined plane (9) is opposite to the first plane (7).
5. The trimming die for the inner shell of the engine cover plate of the automobile as claimed in claim 1, wherein: the trimming movable concave die is characterized in that an upper die plate (10) is arranged above the trimming movable concave die (1), the trimming movable concave die (1) is fixed relative to the upper die plate (10), the trimming movable concave die (1) comprises a plurality of modules (4), and all the modules (4) are connected end to form the trimming movable concave die (1).
6. The trimming die for the inner shell of the automobile engine cover plate of claim 5, wherein: the lower fixed surface of cope match-plate pattern (10) has connecting plate (11), and the upper surface of connecting plate (11) is equipped with first recess (12), and the lower surface is equipped with second recess (13), and first recess (12) are located the tank bottom of second recess (13), and side cut moves die (1) and is fixed in second recess (13), compresses tightly the inside wall cooperation of mould (3) lateral wall and first recess (12).
7. The trimming die for the inner shell of the automobile engine cover plate of claim 6, wherein: a hanging rod (14) and a nitrogen spring (15) are connected between the upper surface of the pressing die (3) and the upper die plate (10).
8. The trimming die for the inner shell of the automobile engine cover plate of claim 5, wherein: a lower template (16) is arranged below the trimming fixed convex die (2), the lower template (16) is fixed relative to the trimming fixed convex die (2), a vertical first positioning column (17) is fixed on the upper surface of the lower template (16), a vertical second positioning column (18) is fixed on the lower surface of the upper template (10), and the second positioning column (18) is positioned right above the first positioning column (17); when the second positioning column (18) is in contact with the first positioning column (17), the burrs are just cut off by the cutter and the trimming movable female die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716624.4U CN212121354U (en) | 2020-04-30 | 2020-04-30 | Trimming die for inner shell of automobile engine cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716624.4U CN212121354U (en) | 2020-04-30 | 2020-04-30 | Trimming die for inner shell of automobile engine cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212121354U true CN212121354U (en) | 2020-12-11 |
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ID=73691680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020716624.4U Active CN212121354U (en) | 2020-04-30 | 2020-04-30 | Trimming die for inner shell of automobile engine cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212121354U (en) |
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2020
- 2020-04-30 CN CN202020716624.4U patent/CN212121354U/en active Active
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