CN212945368U - Core-pulling structure of die-casting die - Google Patents
Core-pulling structure of die-casting die Download PDFInfo
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- CN212945368U CN212945368U CN202021916258.3U CN202021916258U CN212945368U CN 212945368 U CN212945368 U CN 212945368U CN 202021916258 U CN202021916258 U CN 202021916258U CN 212945368 U CN212945368 U CN 212945368U
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- 238000004512 die casting Methods 0.000 title claims abstract description 21
- 230000006978 adaptation Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 abstract description 12
- 238000010168 coupling process Methods 0.000 abstract description 12
- 238000005859 coupling reaction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model discloses a die casting die's structure of loosing core, including the cover half module, the cover half module is inside to be provided with the cover half core, the cover half core bottom is provided with the fixed block, run through inside the fixed block and be provided with the core pulling rod, core pulling rod one end is provided with the slider of loosing core, the slider of loosing core is provided with the spring on the one side of keeping away from the cover half core, the slider of loosing core is provided with the core of loosing core on the one side of being close to the cover half core, the core pulling rod other end is provided with the coupling ring, one side that the coupling ring was kept away from the core pulling rod is provided; the core pulling structure of the die casting die is convenient to disassemble the connection between the core pulling rod and the hydraulic cylinder and convenient to maintain and replace the core pulling structure at the later stage by arranging the connecting ring; through setting up the slider of loosing core, be convenient for take out the core of loosing core, and reduce the influence of part wearing and tearing to the effect of loosing core, make the life of the structure of loosing core longer.
Description
Technical Field
The utility model relates to a die casting die technical field specifically is a die casting die's structure of loosing core.
Background
The die-casting die is adopted to manufacture the plastic part, if a hole or a groove is formed in the inner wall of the plastic part, core pulling is needed from the interior of the plastic part during demolding, and the traditional core pulling method mostly adopts strong core pulling, namely the plastic part is forcibly pushed out through a stripper plate during demolding, but the core pulling method is extremely easy to damage the plastic part, and particularly the position of the hole or the groove in the inner wall of the plastic part is easy to damage and deform; due to the relation of product structures, many molds are provided with core-pulling mechanisms at present so as to meet the requirement of reducing damage during core pulling of the products.
The core-pulling structure of the existing die-casting die mostly adopts a hydraulic cylinder or an air cylinder as a power element, and the reciprocating motion of the hydraulic cylinder can drive a core-pulling rod to horizontally reciprocate so as to realize core-pulling and resetting of a core body; in addition, the existing core pulling structure is difficult to push the sliding block to move due to the fact that the core pulling rod and the sliding block rub after being used for a long time, and is difficult to maintain due to the fact that the core pulling structure is arranged inside the fixed module, and therefore once the abrasion pushing effect is reduced, the core pulling capacity is lost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a die casting die's structure of loosing core to solve the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a core-pulling structure of a die-casting die comprises a fixed die block, a fixed die core is arranged in the fixed die block, a fixed block is arranged at the bottom of the fixed die core, a core pulling rod penetrates through the fixed block, a core pulling slide block is arranged at one end of the core pulling rod, a spring is arranged on one side of the core pulling slide block away from the fixed mold core, a core pulling core body is arranged on one side of the core pulling slide block close to the fixed mold core, the other end of the core-pulling rod is provided with a connecting ring, one side of the connecting ring far away from the core-pulling rod is provided with a hydraulic cylinder, a hydraulic piston is arranged at the joint of the hydraulic cylinder and the connecting ring, a slide rail is arranged inside the fixed block, the inner wall of the connecting ring is provided with threads, two ends of the outer side of the connecting ring are provided with lugs, a T-shaped groove is formed in one end, close to the connecting ring, of the core pulling rod, and a core pulling groove is formed in one side, close to the core pulling rod, of the core pulling slide block.
As the utility model discloses an preferred technical scheme, fixed block width dimension and cover half inner wall width dimension looks adaptation, fixed block and cover half inner wall fixed connection, slide rail length dimension and core pulling rod length dimension looks adaptation, the core pulling rod passes through slide rail and fixed block sliding connection.
As the utility model discloses an optimal technical scheme, the slider width size of loosing core and the core external diameter size looks adaptation of loosing core, loose core slider and the core fixed connection of loosing core, the core of loosing core inserts the fixed mould core when the compound die.
As the utility model discloses an optimal technical scheme, spring one end and cover half inner wall fixed connection, spring external diameter size and the slider width size looks adaptation of loosing core, the spring other end with loose core slider fixed connection, the slider of loosing core passes through spring and cover half piece sliding connection.
As the utility model discloses a preferred technical scheme, hookup ring internal diameter size and hydraulic piston external diameter size looks adaptation, hookup ring inner wall all is equipped with the screw thread with the hydraulic piston surface, hookup ring passes through screw thread fixed connection with the hydraulic piston, pneumatic cylinder and cover half side wall fixed connection.
As the utility model discloses a preferred technical scheme, coupling ring external diameter size and lug width size looks adaptation, coupling ring and lug fixed connection, T-slot width size is the same with lug width size, the T-slot is pegged graft with the lug, take out the core bar and peg graft through the lug with the coupling ring.
As the utility model discloses a preferred technical scheme, core pulling rod width dimension and the groove width dimension looks adaptation of loosing core, the core pulling rod bottom is the arc, the core pulling groove is trapezoidal, the core pulling rod pegs graft with the groove of loosing core, core pulling rod width dimension and the slider width dimension looks adaptation of loosing core, the core pulling rod pegs graft with the slider of loosing core through the core pulling groove.
Compared with the prior art, the utility model provides a die casting die's structure of loosing core possesses following beneficial effect:
1. according to the core-pulling structure of the die-casting die, the connecting ring is arranged, the outer side of the connecting ring is inserted into the T-shaped groove in the core-pulling rod through the lug, so that the connecting ring is fixedly connected with the core-pulling rod, then the inner wall of the connecting ring and the outer side of the hydraulic piston are provided with threads, and the connecting ring and the hydraulic piston are convenient to disassemble through the threads, so that the connection between the core-pulling rod and a hydraulic cylinder is convenient to cancel, and the later maintenance and replacement of the core-pulling structure are convenient;
2. this die casting die's structure of loosing core, through setting up the slider of loosing core, utilize the core pulling rod to insert the core pulling groove to the fixed position of loosing core the slider, the restriction is loosed core the slider and is removed, drive the core pulling rod rebound when the pneumatic cylinder, the core pulling rod shifts up and cancels fixedly to the slider of loosing core, the slider of loosing core receives the spring tension influence to the direction removal of keeping away from fixed mold core, thereby drive the core of loosing core and remove and realize loosing core, through this kind of method, even if part wearing and tearing also can not influence the effect of loosing core of the structure of loosing core, make the life of the.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the core pulling rod of the present invention;
FIG. 3 is a schematic view of the connection of the structural coupling ring of the present invention;
fig. 4 is the utility model discloses the structure slider of loosing core connects the schematic diagram.
In the figure: 1. determining a module; 2. fixing a mold core; 3. a fixed block; 4. drawing the core rod; 5. a core-pulling slide block; 6. a spring; 7. a core-pulling core body; 8. a coupling ring; 9. a hydraulic cylinder; 10. a hydraulic piston; 11. a slide rail; 12. a thread; 13. a bump; 14. a T-shaped slot; 15. and (4) a core drawing groove.
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. 1-4, in this embodiment: the utility model provides a die casting die's structure of loosing core, including cover half 1, cover half 1 inside is provided with cover half 2, cover half 2 bottom is provided with fixed block 3, 3 inside running through of fixed block is provided with core pulling rod 4, core pulling rod 4 one end is provided with the slider 5 of loosing core, the slider 5 of loosing core is provided with spring 6 in the one side of keeping away from cover half 2, one side that the slider 5 of loosing core is close to cover half 2 is provided with core 7 of loosing core, the core pulling rod 4 other end is provided with coupling ring 8, one side that coupling ring 8 kept away from core pulling rod 4 is provided with pneumatic cylinder 9, pneumatic cylinder 9 is provided with hydraulic piston 10 with coupling ring 8 junction, the inside slide rail 11 that is provided with of fixed block 3, the inner wall of coupling ring 8 is provided with screw thread 12, coupling ring 8 outside both ends are provided with lug 13, inside T-slot 14 that.
In the embodiment, the width of the fixed block 3 is matched with the width of the inner wall of the fixed module 1, the fixed block 3 is fixedly connected with the inner wall of the fixed module 1 and used for fixing the fixed block 3, the length of the slide rail 11 is matched with the length of the core rod 4, and the core rod 4 is slidably connected with the fixed block 3 through the slide rail 11, so that the core rod 4 can move horizontally; the width dimension of the core-pulling slide block 5 is matched with the outer diameter dimension of the core-pulling core body 7, the core-pulling slide block 5 is fixedly connected with the core-pulling core body 7 and used for extracting the core-pulling core body 7, and the core-pulling core body 7 is inserted into the fixed mold core 2 during mold closing; one end of a spring 6 is fixedly connected with the inner wall of the fixed die block 1 and is used for fixing one end of the spring 6, the outer diameter size of the spring 6 is matched with the width size of the core-pulling slide block 5, the other end of the spring 6 is fixedly connected with the core-pulling slide block 5 and is used for driving the core-pulling slide block 5 to slide, and the core-pulling slide block 5 is connected with the fixed die block 1 in a sliding mode through the spring 6 so as to drive the core-; the inner diameter of the connecting ring 8 is matched with the outer diameter of the hydraulic piston 10, threads 12 are arranged on the inner wall of the connecting ring 8 and the outer surface of the hydraulic piston 10, so that the connecting ring 8 and the hydraulic piston 10 can be conveniently detached, the connecting ring 8 and the hydraulic piston 10 are fixedly connected through the threads 12 and are used for connecting the hydraulic cylinder 9 and the core pulling rod 4, and the hydraulic cylinder 9 is fixedly connected with the side wall of the fixed die block 1 and is used for fixing the hydraulic cylinder 9; the outer diameter of the connecting ring 8 is matched with the width of the bump 13, the connecting ring 8 is fixedly connected with the bump 13 and is used for connecting the core rod 4, the width of the T-shaped groove 14 is the same as the width of the bump 13, the T-shaped groove 14 is spliced with the bump 13, so that the core rod 4 is fixedly connected with the connecting ring 8, and the core rod 4 is spliced with the connecting ring 8 through the bump 13; the width dimension of the core pulling rod 4 is matched with the width dimension of the core pulling groove 15, the bottom end of the core pulling rod 4 is arc-shaped, the core pulling groove 15 can conveniently slide, the core pulling groove 15 is trapezoidal, the core pulling rod 4 can be conveniently inserted, the core pulling rod 4 is inserted into the core pulling groove 15, the position of the core pulling slider 5 is fixed, the width dimension of the core pulling rod 4 is matched with the width dimension of the core pulling slider 5, the core pulling rod 4 is inserted into the core pulling slider 5 through the core pulling groove 15, and the sliding of the core pulling slider 5 is convenient to.
The utility model discloses a theory of operation and use flow: a user firstly opens the hydraulic cylinder 9, the hydraulic piston 10 is used for driving the connecting ring 8 to move, the connecting ring 8 drives the core pulling rod 4 to move, the core pulling rod 4 is inserted into the core pulling groove 15, the core pulling slide block 5 is forced to move to one side close to the fixed mold core 2 through the driving force of the core pulling rod 4, the spring 6 extends, the core pulling slide block 5 is limited to move through the core pulling rod 4, the core pulling core 7 is inserted into the fixed mold core 2, then the core pulling slide block is cast in the mold cavity, after the product casting is finished, the hydraulic cylinder 9 is opened, the hydraulic piston 10 drives the connecting ring 8 to move upwards, the connecting ring 8 drives the core pulling rod 4 to move upwards, the core pulling rod 4 moves upwards and is taken out from the bottom of the core pulling groove 15, so that the core pulling slide block 5 is not fixed, the core pulling slide block 5 moves away from; when the hydraulic cylinder 9 or the core-pulling part needs to be maintained, the hydraulic piston 10 can be rotated to be taken out from the connecting ring 8, and then the hydraulic cylinder 9 and the core-pulling rod 4 are fixedly cancelled, so that the core-pulling structure is convenient to maintain and replace at the later stage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 present invention.
Claims (7)
1. The utility model provides a die casting die's structure of loosing core which characterized in that: the die comprises a fixed die block (1), a fixed die core (2) is arranged inside the fixed die block (1), a fixed block (3) is arranged at the bottom of the fixed die core (2), a core pulling rod (4) penetrates through the fixed block (3), one end of the core pulling rod (4) is provided with a core pulling slider (5), one side, away from the fixed die core (2), of the core pulling slider (5) is provided with a spring (6), one side, close to the fixed die core (2), of the core pulling slider (5) is provided with a core pulling core body (7), the other end of the core pulling rod (4) is provided with a connecting ring (8), one side, away from the core pulling rod (4), of the connecting ring (8) is provided with a hydraulic cylinder (9), a hydraulic piston (10) is arranged at the joint of the hydraulic cylinder (9) and the connecting ring (8), a sliding rail (11) is arranged, the core pulling device is characterized in that lugs (13) are arranged at two ends of the outer side of the connecting ring (8), a T-shaped groove (14) is formed in one end, close to the connecting ring (8), of the core pulling rod (4), and a core pulling groove (15) is formed in one side, close to the core pulling rod (4), of the core pulling slide block (5).
2. The core-pulling structure of a die-casting mold according to claim 1, characterized in that: the fixed block (3) is matched with the fixed module (1) in width, the fixed block (3) is fixedly connected with the fixed module (1) in inner wall, the slide rail (11) is matched with the core rod (4) in length, and the core rod (4) is connected with the fixed block (3) in a sliding mode through the slide rail (11).
3. The core-pulling structure of a die-casting mold according to claim 1, characterized in that: the core pulling device is characterized in that the width of the core pulling slide block (5) is matched with the outer diameter of the core pulling core body (7), the core pulling slide block (5) is fixedly connected with the core pulling core body (7), and the core pulling core body (7) is inserted into the fixed mold core (2) during mold closing.
4. The core-pulling structure of a die-casting mold according to claim 1, characterized in that: spring (6) one end and fixed module (1) inner wall fixed connection, spring (6) external diameter size and the slider of loosing core (5) width size looks adaptation, the spring (6) other end and the slider of loosing core (5) fixed connection, the slider of loosing core (5) pass through spring (6) and fixed module (1) sliding connection.
5. The core-pulling structure of a die-casting mold according to claim 1, characterized in that: the connecting device is characterized in that the inner diameter of the connecting ring (8) is matched with the outer diameter of the hydraulic piston (10), threads (12) are arranged on the inner wall of the connecting ring (8) and the outer surface of the hydraulic piston (10), the connecting ring (8) is fixedly connected with the hydraulic piston (10) through the threads (12), and the hydraulic cylinder (9) is fixedly connected with the side wall of the fixed module (1).
6. The core-pulling structure of a die-casting mold according to claim 1, characterized in that: the outer diameter of the connecting ring (8) is matched with the width of the bump (13), the connecting ring (8) is fixedly connected with the bump (13), the width of the T-shaped groove (14) is the same as the width of the bump (13), the T-shaped groove (14) is spliced with the bump (13), and the core pulling rod (4) is spliced with the connecting ring (8) through the bump (13).
7. The core-pulling structure of a die-casting mold according to claim 1, characterized in that: the drawing core rod is characterized in that the width dimension of the drawing core rod (4) is matched with the width dimension of the drawing core groove (15), the bottom end of the drawing core rod (4) is arc-shaped, the drawing core groove (15) is trapezoidal, the drawing core rod (4) is connected with the drawing core groove (15) in an inserting mode, the width dimension of the drawing core rod (4) is matched with the width dimension of the drawing core sliding block (5), and the drawing core rod (4) is connected with the drawing core sliding block (5) in an inserting mode through the drawing core groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916258.3U CN212945368U (en) | 2020-09-04 | 2020-09-04 | Core-pulling structure of die-casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916258.3U CN212945368U (en) | 2020-09-04 | 2020-09-04 | Core-pulling structure of die-casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212945368U true CN212945368U (en) | 2021-04-13 |
Family
ID=75365869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021916258.3U Expired - Fee Related CN212945368U (en) | 2020-09-04 | 2020-09-04 | Core-pulling structure of die-casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212945368U (en) |
-
2020
- 2020-09-04 CN CN202021916258.3U patent/CN212945368U/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 |
Granted publication date: 20210413 |