CN209867096U - Fin trimming die - Google Patents
Fin trimming die Download PDFInfo
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- CN209867096U CN209867096U CN201920528861.5U CN201920528861U CN209867096U CN 209867096 U CN209867096 U CN 209867096U CN 201920528861 U CN201920528861 U CN 201920528861U CN 209867096 U CN209867096 U CN 209867096U
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- fixing plate
- trimming
- plate
- die fixing
- die
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Abstract
The utility model discloses a fin trimming die, including lower mould fixed plate, upper die fixing plate and upper supporting plate, lower mould fixed plate and upper supporting plate are connected through four bracing pieces, be equipped with the through-hole that is used for the bracing piece to pass on the upper die fixing plate, upper die fixing plate passes through the through-hole and is connected with bracing piece axial sliding; a cavity is arranged in the lower die fixing plate, a lower trimming die is arranged on the lower die fixing plate, and an inner clamping mechanism is arranged on the lower trimming die; the inner clamping mechanism comprises a top rod, an inner clamping arm, an adjusting rod and a sliding block; the upper surface of the upper die fixing plate is connected with a trimming cylinder, the trimming cylinder is fixed on the lower surface of the upper supporting plate, and an upper trimming die is arranged on the lower surface of the upper die fixing plate. The utility model discloses in set up interior clamping mechanism and outer clamping mechanism, can press from both sides tightly fixedly to the fin blank, prevent that it from cutting edge because of rocking the emergence of the unqualified phenomenon of side cut failure and side cut that leads to.
Description
Technical Field
The utility model relates to a fin production technical field especially relates to a fin cut off die.
Background
When the heat sink is manufactured, the heat sink body and the heat sink cover are usually cast by integral molding. In the post-casting process, the fin body and the fin cover are cut and the edge of the work piece generated during casting is cut. According to the existing trimming die, a cast radiating fin blank is directly placed on a lower trimming die, so that the position of the radiating fin blank is changed due to the fact that the radiating fin blank is easy to shake in the trimming process, the radiating fin blank cannot correspond to the upper trimming die above, and finally trimming failure or a finished product after trimming is not in accordance with requirements is caused. In addition, the trimmed heat sink body and heat sink cover are easily attached to the trimming cavity of the upper trimming die and rise along with the upper trimming die, and the heat sink is difficult to separate from the upper trimming die.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior technical problem, the utility model provides a fin trimming die.
In order to achieve the above object, the utility model provides a following technical scheme: a radiating fin trimming die comprises a lower die fixing plate, an upper die fixing plate and an upper supporting plate which are sequentially arranged from bottom to top and are parallel to each other, wherein the lower die fixing plate and the upper supporting plate are connected through four supporting rods which are respectively arranged at four corners of the lower die fixing plate, through holes for the supporting rods to pass through are formed in the upper die fixing plate, and the upper die fixing plate is axially connected with the supporting rods in a sliding manner through the through holes; a cavity is arranged in the lower die fixing plate, a lower trimming die is arranged on the lower die fixing plate, and an inner clamping mechanism is arranged on the lower trimming die;
the inner clamping mechanism comprises a top rod, an inner clamping arm, an adjusting rod and a sliding block;
the lower trimming die and the lower die fixing plate are respectively provided with a sliding hole for the axial sliding of the ejector rod;
the two inner clamping arms are symmetrically arranged on two sides of the ejector rod, an arc-shaped connecting part is arranged at one end, close to the ejector rod, of each inner clamping arm, the arc-shaped connecting part is arranged in the annular accommodating groove, the other end of each inner clamping arm is rotatably connected with a fixed rod and extends obliquely upwards to the outer side of the ejector rod to form a clamping part, the axial direction of the fixed rod is perpendicular to the plane of the inner clamping arm and is fixed on a support, and the support is fixed on a lower die fixing plate;
the adjusting rod is rotatably arranged in the cavity, external threads are arranged on the adjusting rod, and one end of the adjusting rod extends out of the lower die fixing plate and is connected with an adjusting disc;
the sliding block is provided with a threaded hole matched with the external thread, the sliding block is connected with the adjusting rod through the threaded hole, and the upper end of the sliding block is provided with a contact surface matched with and in contact with the inclined surface;
the upper surface of the upper die fixing plate is connected with a trimming cylinder, the trimming cylinder is fixed on the lower surface of the upper supporting plate, and an upper trimming die is arranged on the lower surface of the upper die fixing plate.
Furthermore, two outer clamping mechanisms are symmetrically arranged on the lower die fixing plate; the outer clamping mechanism comprises a mounting plate, a clamping cylinder, a connecting plate, a clamping triangular plate and a clamping action base; the mounting plate is fixedly arranged on the lower surface of the lower die fixing plate, one end of the clamping cylinder is hinged to the mounting plate, the other end of the clamping cylinder is hinged to the lower portion of the connecting plate, the upper end of the connecting plate is hinged to one corner of the clamping triangular plate, the other corner of the clamping triangular plate is hinged to the side face of the lower die fixing plate, an outer clamping arm is connected to the remaining corner of the clamping triangular plate, and the outer clamping arm extends towards the lower die fixing plate; the clamping action base is arranged on the lower die fixing plate below the outer clamping arm.
Furthermore, the number of the lower trimming dies is two, and the two lower trimming dies are respectively a lower trimming die of the radiating fin body and a lower trimming die of the radiating fin cover body; the two upper trimming dies are respectively the upper trimming die of the radiating fin body and the upper trimming die of the radiating fin cover body.
Furthermore, a guide rod is fixedly arranged in the cavity, penetrates through the sliding block, and is axially and slidably connected with the guide block.
During trimming, the cast radiating fin blank is placed on the lower trimming die, wherein the radiating fin body is placed on the lower trimming die in an inverted manner, and the radiating fin cover body is placed on the lower trimming die in an inverted manner. The inner clamping arm of the inner clamping mechanism is positioned in the inner cavity of the radiating fin body or the radiating fin cover body. The adjusting disc is rotated to enable the adjusting rod to rotate, the sliding block slides on the adjusting rod, and the contact surface of the sliding block pushes the inclined surface of the ejector rod to enable the inclined rod to move upwards. The arc connecting portion of interior clamping arm moves upward and rotates in annular holding tank along with the ejector pin for interior clamping arm is rotatory around the dead lever, and the clamping part of interior clamping arm outwards expands, presss from both sides the both sides inner wall of fin body or fin lid tightly. The edge that produces when outer clamping mechanism's setting is with the casting of fin blank is fixed on the clamping effect base to strengthen the fixed to the fin blank, prevent that it from receiving external influence to produce at the side cut in-process and rocking. And starting the trimming cylinder, extending a piston rod of the trimming cylinder to drive the upper die fixing plate to move downwards, and trimming the blank of the radiating fin by the upper trimming die.
The utility model discloses in set up interior clamping mechanism and outer clamping mechanism, can press from both sides tightly fixedly to the fin blank, prevent that it from cutting edge because of rocking the emergence of the unqualified phenomenon of side cut failure and side cut that leads to. Additionally, the utility model discloses according to the fashioned characteristics of fin integrated casting, set up and cut off die and fin body undercut die on the fin body corresponding with the fin body, cut off die and fin lid undercut die on the fin lid corresponding with the fin lid, can accomplish the side cut process of fin body and fin lid simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
In the figure: 1 lower die fixing plate, 2 upper die fixing plate, 3 upper supporting plate, 4 supporting rods, 5 cavities, 6 ejector rods, 7 inner clamping arms, 8 adjusting rods, 9 sliding blocks, 10 lower trimming dies, 11 annular accommodating grooves, 12 sliding holes, 13 arc-shaped connecting parts, 14 fixing rods, 15 clamping parts, 16 supports, 17 adjusting discs, 18 contact surfaces, 19 trimming cylinders, 20 upper trimming dies, 21 mounting plates, 22 clamping cylinders, 23 connecting plates, 24 clamping triangular plates, 25 clamping action bases, 26 outer clamping arms and 27 guide rods.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1-2, a fin trimming die comprises a lower die fixing plate 1, an upper die fixing plate 2 and an upper support plate 3 which are arranged from bottom to top in sequence and are parallel to each other. Lower mould fixed plate 1 and last backup pad 3 are connected through four bracing pieces 4, and four corners of lower mould fixed plate 1 are located respectively to four bracing pieces 4, be equipped with the through-hole that is used for bracing piece 4 to pass on the fixed plate of going up 2, go up fixed plate of going up 2 through-hole and 4 axial sliding connection of bracing piece. The lower die fixing plate 1 is internally provided with a cavity 5, the lower die fixing plate 1 is provided with a lower trimming die 10, and the lower trimming die 10 is provided with an internal clamping mechanism.
The inner clamping mechanism comprises an ejector rod 6, an inner clamping arm 7, an adjusting rod 8 and a sliding block 9.
The ejector rod 6 vertically penetrates through the lower trimming die 10, an annular accommodating groove 11 with an outward notch is formed in the upper end of the ejector rod 6, the lower end of the ejector rod 6 extends into the cavity 5 of the lower die fixing plate 1 and is provided with an inclined surface, and sliding holes 12 used for the ejector rod 6 to axially slide are formed in the lower trimming die 10 and the lower die fixing plate 1.
Interior clamp arm 7 is two, and the both sides of ejector pin 6 are located to two interior clamp arm 7 symmetries, and the one end that interior clamp arm 7 is close to ejector pin 6 is equipped with arc connecting portion 13, arc connecting portion 13 is located in annular holding tank 11. The diameter of arc connecting portion 13 is highly uniform with annular accommodation groove 11, and the arc of arc connecting portion 13 is the major arc in this embodiment, and when ejector pin 6 moves up and down, arc connecting portion 13 is connected all the time in annular accommodation groove 11 and rotates in annular accommodation groove 11. The other end of the inner clamping arm 7 is rotatably connected with a fixed rod 14 and extends obliquely upwards to the outer side of the mandril 6 to form a clamping part 15. The axial direction of the fixing rod 14 is perpendicular to the plane of the inner clamping arm 7 and is fixed on a bracket 16, and the bracket 16 is fixed on the lower die fixing plate 1.
The adjusting rod 8 is rotatably arranged in the cavity 5, an external thread is arranged on the adjusting rod 8, and one end of the adjusting rod 8 extends out of the lower die fixing plate 1 and is connected with an adjusting disc 17. Both ends of the adjusting rod 8 are connected with the inner wall of the cavity 5 through bearings.
The sliding block 9 is provided with a threaded hole matched with the external thread, the sliding block 9 is connected with the adjusting rod 8 through the threaded hole, and the upper end of the sliding block 9 is provided with a contact surface 18 matched with and in contact with the inclined surface.
The upper surface of the upper die fixing plate 2 is connected with a trimming cylinder 19, the trimming cylinder 19 is fixed on the lower surface of the upper supporting plate 3, and an upper trimming die 20 is arranged on the lower surface of the upper die fixing plate 2.
Two outer clamping mechanisms are symmetrically arranged on the lower die fixing plate 1. The outer clamping mechanism comprises a mounting plate 21, a clamping cylinder 22, a connecting plate 23, a clamping triangle 24 and a clamping action base 25. The fixed lower surface of locating lower mould fixed plate 1 of mounting panel 21, die clamping cylinder 22 one end is articulated with mounting panel 21, and the other end is articulated with the lower extreme of connecting plate 23, and the upper end of connecting plate 23 is articulated with a corner of pressing from both sides tight set-square 24, and another corner of pressing from both sides tight set-square 24 is articulated with the side of lower mould fixed plate 1, and a remaining corner of pressing from both sides tight set-square 24 is connected with outer clamping arm 26, outer clamping arm 26 extends to lower mould fixed plate 1 direction. The clamping function base 25 is provided on the lower die fixing plate 1 below the outer clamp arm 26.
The action principle of the outer clamping mechanism is as follows: before placing the radiating fin blank, the piston rod of the clamping cylinder 22 contracts to drive the lower end of the connecting plate 23 to move towards the direction close to the lower die fixing plate 1, the upper end of the connecting plate 23 moves towards the direction far away from the lower die fixing plate 1, and the clamping triangular plate 24 rotates around the hinged position of the clamping triangular plate and the lower die fixing plate 1, so that the outer clamping arm 26 is opened outwards. The heat sink blank is placed on the lower trimming die 10, the clamping cylinder 22 is then actuated to extend its piston rod, and the outer clamping arm 26 clamps the edge of the heat sink blank against the clamping action base 25 to enhance the fixing action on the heat sink blank.
The two lower trimming dies 10 are respectively a lower trimming die of the heat dissipation fin body and a lower trimming die of the heat dissipation fin cover body. The two upper trimming dies 20 are respectively a heat sink body upper trimming die and a heat sink cover body upper trimming die.
A guide rod 27 is fixedly arranged in the cavity 5, the guide rod penetrates through the sliding block 9, and the sliding block 9 is axially and slidably connected with the guide block.
Claims (4)
1. The utility model provides a fin cut off die, includes lower mould fixed plate, last fixed mould plate and the last backup pad that sets gradually and be parallel to each other from the lower supreme, its characterized in that: the lower die fixing plate is connected with the upper supporting plate through four supporting rods, the four supporting rods are respectively arranged at four corners of the lower die fixing plate, through holes for the supporting rods to penetrate through are formed in the upper die fixing plate, and the upper die fixing plate is axially connected with the supporting rods in a sliding mode through the through holes; a cavity is arranged in the lower die fixing plate, a lower trimming die is arranged on the lower die fixing plate, and an inner clamping mechanism is arranged on the lower trimming die;
the inner clamping mechanism comprises a top rod, an inner clamping arm, an adjusting rod and a sliding block;
the lower trimming die and the lower die fixing plate are respectively provided with a sliding hole for the axial sliding of the ejector rod;
the two inner clamping arms are symmetrically arranged on two sides of the ejector rod, an arc-shaped connecting part is arranged at one end, close to the ejector rod, of each inner clamping arm, the arc-shaped connecting part is arranged in the annular accommodating groove, the other end of each inner clamping arm is rotatably connected with a fixed rod and extends obliquely upwards to the outer side of the ejector rod to form a clamping part, the axial direction of the fixed rod is perpendicular to the plane of the inner clamping arm and is fixed on a support, and the support is fixed on a lower die fixing plate;
the adjusting rod is rotatably arranged in the cavity, external threads are arranged on the adjusting rod, and one end of the adjusting rod extends out of the lower die fixing plate and is connected with an adjusting disc;
the sliding block is provided with a threaded hole matched with the external thread, the sliding block is connected with the adjusting rod through the threaded hole, and the upper end of the sliding block is provided with a contact surface matched with and in contact with the inclined surface;
the upper surface of the upper die fixing plate is connected with a trimming cylinder, the trimming cylinder is fixed on the lower surface of the upper supporting plate, and an upper trimming die is arranged on the lower surface of the upper die fixing plate.
2. A fin trimming die as set forth in claim 1, wherein: two outer clamping mechanisms are symmetrically arranged on the lower die fixing plate; the outer clamping mechanism comprises a mounting plate, a clamping cylinder, a connecting plate, a clamping triangular plate and a clamping action base; the mounting plate is fixedly arranged on the lower surface of the lower die fixing plate, one end of the clamping cylinder is hinged to the mounting plate, the other end of the clamping cylinder is hinged to the lower end of the connecting plate, the upper end of the connecting plate is hinged to one corner of the clamping triangular plate, the other corner of the clamping triangular plate is hinged to the side face of the lower die fixing plate, an outer clamping arm is connected to the rest corner of the clamping triangular plate, and the outer clamping arm extends towards the lower die fixing plate; the clamping action base is arranged on the lower die fixing plate below the outer clamping arm.
3. A fin trimming die as set forth in claim 1, wherein: the two lower trimming dies are respectively a lower trimming die of the radiating fin body and a lower trimming die of the radiating fin cover body; the two upper trimming dies are respectively the upper trimming die of the radiating fin body and the upper trimming die of the radiating fin cover body.
4. The heat sink trimming die of claim 1 ~ 3, wherein the cavity has a guide rod fixed therein, the guide rod passing through the slide block, and the slide block is axially slidably connected to the guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528861.5U CN209867096U (en) | 2019-04-18 | 2019-04-18 | Fin trimming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528861.5U CN209867096U (en) | 2019-04-18 | 2019-04-18 | Fin trimming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867096U true CN209867096U (en) | 2019-12-31 |
Family
ID=68960595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920528861.5U Active CN209867096U (en) | 2019-04-18 | 2019-04-18 | Fin trimming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867096U (en) |
-
2019
- 2019-04-18 CN CN201920528861.5U patent/CN209867096U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 454450 north side of Keji Road, industrial agglomeration zone, Boai County, Jiaozuo City, Henan Province Patentee after: HENAN ELITE TECHNOLOGY CO.,LTD. Address before: 454450 north side of Keji Road, industrial agglomeration zone, Boai County, Jiaozuo City, Henan Province Patentee before: HENAN YINGLITE TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |