CN222360570U - The core pulling mechanism of the pouring machine is first pushed up and then pulled out - Google Patents
The core pulling mechanism of the pouring machine is first pushed up and then pulled out Download PDFInfo
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- CN222360570U CN222360570U CN202421088248.3U CN202421088248U CN222360570U CN 222360570 U CN222360570 U CN 222360570U CN 202421088248 U CN202421088248 U CN 202421088248U CN 222360570 U CN222360570 U CN 222360570U
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- core
- pulling
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- cylinder
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000005266 casting Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a core pulling mechanism for a casting machine, which comprises a die, wherein a die plate is fixed at the bottom of the die, an iron core is slid in the middle of the die, the bottom of the iron core is attached to the top of a core pulling oil cylinder, the middle of the core pulling oil cylinder penetrates through the middle of a limiting plate, the bottom of the core pulling oil cylinder is fixed in the middle of a mounting plate through a screw, ejector rods are fixed at the top end of the limiting plate at equal intervals, the top of each ejector rod stretches into the die to form a sliding mechanism, a core pushing oil cylinder is fixed at the side edge of the lower end of the limiting plate, the bottom of the core pushing oil cylinder is fixed on the mounting plate through a screw, and a sealing structure is formed between the top of each ejector rod and an opening in the die. The core pulling mechanism with the top first and the bottom being pulled out of the casting machine is provided with the ejector rod, the ejector rod is driven to move through the core pushing oil cylinder, and then the ejector rod is convenient to push the workpiece inside the die, so that the workpiece is separated from the iron core, and the workpiece is prevented from being damaged due to difficult demoulding.
Description
Technical Field
The utility model relates to the technical field of casting machines, in particular to a core pulling mechanism for top-first and then-pulling of a casting machine.
Background
Casting machine core pulling is a link in the manufacturing process of casting machines, particularly in production scenes where the internal core structure or material of the mold needs to be taken out. The core pulling mechanism is an important component part of the casting machine and is responsible for smoothly taking out the core structure or material in the die after casting is completed;
The hollow aluminum cylinder sub-die casting machine for the motorcycle front shock absorber has the reference of publication No. CN113579204A, bottom casting with proper thrust and pushing speed is applied to aluminum liquid, the internal and external quality requirements of the aluminum cylinder can be completely ensured, aluminum material loss is less, environmental pollution is less, follow-up processing is simple, semi-automatic production is controlled by a PLC program, one person can operate 3-4 machines, productivity is nearly 1 time higher than the current industry level, casting production cost is greatly reduced, a ball iron mold frame is inlaid with an H13 mold core, the mold core appearance size considers the space occupation requirement of aluminum cylinder blank cavities with different lengths and different shapes, the mold core is only required to be disassembled and replaced when aluminum cylinder blanks with different types are cast, production adjustment is convenient and fast, mass production can be completely organized, the passive situation behind the metal gravity casting of the original aluminum cylinder can be thoroughly changed, the front shock absorber in China is manufactured with a new step in the motorcycle industry, but the following problems are also existed:
In the actual use of the device, the purpose of demolding can be achieved through core pulling, but after the mold is opened, the core pulling oil cylinder withdraws the iron core, so that the casting and the iron core are separated, the surface area of part of the iron core of the mold is large, the packing force between the iron core and the casting is large, the problem of difficult demolding exists, and the surface of the casting is easy to be scratched.
Therefore, the core pulling mechanism for the top-first and the rear-pulling of the casting machine can well solve the problems.
Disclosure of utility model
The utility model aims to provide a core pulling mechanism for pulling out after pushing up a casting machine, which aims to solve the problems that a casting is separated from an iron core by pulling out an iron core by a core pulling cylinder after die opening in the prior market, the surface area of part of the die iron core is large, the packing force between the part of the die iron core and the casting is large, the demolding is difficult, and the surface of the casting is easy to be damaged by pulling.
In order to achieve the aim, the utility model provides the following technical scheme that the core pulling mechanism of the casting machine comprises a mould, wherein a template is fixed at the bottom of the mould;
Further comprises:
The middle part of mould slides there is the iron core, and the bottom of iron core is laminated mutually with the top of core-pulling cylinder and is set up to core-pulling cylinder's middle part runs through the middle part of limiting plate, core-pulling cylinder's bottom passes through the screw fixation at the middle part of mounting panel, and the equidistant ejector pin that is fixed with in top of limiting plate, and the top of ejector pin stretches into the inside of mould and constitute slide mechanism, the limiting plate low side is fixed with top core cylinder, and the bottom of top core cylinder passes through the screw fixation on the mounting panel.
Preferably, a sealing structure is formed between the top of the ejector rod and the opening in the die, and the top of the ejector rod is arranged in parallel with the top of the opening in the die.
Preferably, a sliding block is fixed at the bottom of the iron core, the outer end of the sliding block stretches into the sliding groove to form a clamping mechanism, and the sliding groove is formed in the core-pulling oil cylinder.
Preferably, the inside of the sliding block slides and is provided with a convex block, and the outer end of the convex block is arranged in a semicircular shape.
Preferably, the outer end of the protruding block extends into the groove to form a clamping mechanism, and the groove is formed in the core-pulling oil cylinder.
Preferably, the inner end of the bump is connected with a spring, and the inner end of the spring is connected inside the sliding block.
Preferably, the side of the chute is provided with an opening, the diameter of the opening of the chute is larger than that of the sliding block, and the opening of the chute is symmetrically arranged.
Compared with the prior art, the core pulling mechanism has the advantages that the core pulling mechanism of the casting machine which is firstly propped and then pulled can avoid damage to a workpiece and is convenient to replace, the workpiece is prevented from being damaged by the movement of the ejector rod and is convenient to demould, and the iron core can be replaced conveniently and rapidly by the rotation of the sliding block, and the core pulling mechanism comprises the following specific contents:
(1) The ejector rod is arranged, and is driven to move by the ejector core cylinder, so that the ejector rod can conveniently eject a workpiece in the die, the workpiece is separated from the iron core, and the workpiece is prevented from being damaged due to difficult demoulding;
(2) The sliding block is arranged, and the sliding block can be driven to rotate through rotating the iron core, so that the sliding block is separated from the clamping of the sliding groove, and the iron core can be replaced independently and conveniently;
(3) The core-pulling oil cylinder is provided with the convex block, the outer end of the convex block stretches into the groove to form a clamping mechanism, and the groove is formed in the core-pulling oil cylinder, so that the stability of clamping the sliding block and the sliding groove can be improved after the convex block is clamped with the groove;
(4) The spring is arranged, the spring is connected to the inner end of the lug through the inner end of the lug, and the inner end of the spring is connected to the inside of the sliding block, so that the spring can limit the lug, and the stability of the lug is improved;
(5) The lug is arranged, the lug is slid through the inside of the sliding block, the outer end of the lug is arranged in a semicircular shape, and then the lug can automatically slide after being extruded by the stress.
Drawings
FIG. 1 is a schematic view of the present utility model in a front cross-section;
FIG. 2 is a schematic diagram of the front section structure of the ejector rod of the utility model;
FIG. 3 shows a mold according to the present utility model a schematic three-dimensional structure;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 5 shows an iron core of the present utility model a schematic three-dimensional structure;
FIG. 6 is a schematic view of a slider in a top-down configuration of the present utility model;
Fig. 7 is a schematic view of the structure of the core of the present utility model after rotation.
The drawing comprises a die 1, a die 2, a template, a core 3, a core 4, a core pulling oil cylinder, a 5, a mounting plate, a 6, a core pushing oil cylinder, a 7, a limiting plate, a 8, a push rod, a 9, a slide block, a 10, a chute, a 11, a bump, a 12, a groove, a 13 and a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
The utility model solves the problems that after the existing die 1 is opened, the core-pulling oil cylinder 4 withdraws the iron core 3, so that a casting is separated from the iron core 3, the surface area of the iron core 3 of part of the die 1 is large, the packing force between the iron core 3 and the casting is large, the demoulding difficulty exists, the surface of the casting is easy to be damaged by pulling, and the demoulding can be conveniently carried out through the movement of the ejector rod 8, and the utility model discloses that:
The die comprises a die 1, wherein a die plate 2 is fixed at the bottom of the die 1, an iron core 3 is slid in the middle of the die 1, the bottom of the iron core 3 is attached to the top of a core-pulling oil cylinder 4, the middle of the core-pulling oil cylinder 4 penetrates through the middle of a limiting plate 7, the bottom of the core-pulling oil cylinder 4 is fixed in the middle of a mounting plate 5 through a screw, ejector rods 8 are fixed at equal intervals at the top end of the limiting plate 7, the top of the ejector rods 8 extend into the die 1 to form a sliding mechanism, a core-pushing oil cylinder 6 is fixed at the side edge of the lower end of the limiting plate 7, the bottom of the core-pushing oil cylinder 6 is fixed on the mounting plate 5 through a screw, a sealing structure is formed between the top of the ejector rods 8 and an opening in the die 1, and the top of the ejector rods 8 are parallel to the top of the opening in the die 1;
referring to fig. 1 to 3, the limiting plate 7 can be driven to move by the core pushing cylinder 6, then the limiting plate 7 is driven to move by the limiting plate 7 to drive the ejector rod 8 to move, then the ejector rod 8 can move upwards in the die 1, a workpiece in the die 1 can be pushed upwards by the movement of the ejector rod 8, then the workpiece in the die 1 can move upwards in the die 1, and the core pulling cylinder 4 is contracted to drive the iron core 3 to contract by contracting the core pulling cylinder 4, so that the iron core 3 can move downwards in the die 1, and then the iron core 3 can be separated from the workpiece, thereby achieving the purpose of facilitating demoulding;
embodiment two:
The utility model solves the problem that the injection molding precision is reduced after the existing iron core 3 is worn, and the iron core 3 can be conveniently replaced by rotating the sliding block 9, and discloses:
The bottom of the iron core 3 is fixedly provided with a sliding block 9, the outer end of the sliding block 9 stretches into the sliding groove 10 to form a clamping mechanism, the sliding groove 10 is arranged in the core-pulling oil cylinder 4, an opening is arranged on the side edge of the sliding groove 10, the diameter of the opening of the sliding groove 10 is larger than that of the sliding block 9, and the openings of the sliding groove 10 are symmetrically arranged;
Referring to fig. 1, 4 to 7, after the iron core 3 is worn, the iron core 3 is rotated to drive the sliding block 9 to rotate by rotating the iron core 3, then the sliding block 9 can slide in the sliding groove 10, then the iron core 3 is rotated to a proper position, then the sliding block 9 is separated from the clamping of the sliding groove 10, then the iron core 3 is pulled, the iron core 3 is moved to drive the sliding block 9 to move, then the sliding block 9 is moved to be separated from the clamping of the sliding groove 10, then the iron core 3 can be separated from the core-pulling oil cylinder 4, so that the iron core 3 can be disassembled, and the operation is reversed, so that the iron core 3 can be rapidly installed;
embodiment III:
the utility model solves the problem that the clamping between the sliding block 9 and the sliding groove 10 is not stable enough in the second embodiment, and the clamping between the sliding block 9 and the sliding groove 10 can be improved through the clamping between the convex block 11 and the groove 12, and discloses that:
The inside of the sliding block 9 slides with a convex block 11, the outer end of the convex block 11 is arranged in a semicircular shape, the outer end of the convex block 11 stretches into the inside of the groove 12 to form a clamping mechanism, the groove 12 is arranged in the core-pulling oil cylinder 4, the inner end of the convex block 11 is connected with a spring 13, and the inner end of the spring 13 is connected in the sliding block 9;
Referring to fig. 1, fig. 4 to fig. 7, through the rotation of slider 9, make slider 9 rotate and drive lug 11 and rotate, then make lug 11 rotate and can take place the extrusion with recess 12, thereby make lug 11 receive the extrusion to slide to the inside of slider 9, and lug 11 removes and can extrude spring 13, thereby make spring 13 atress compress, and lug 11 removes and can break away from the block to recess 12, thereby the block that slider 9 is convenient for break away from spout 10, can push up the inside constitution block that moves lug 11 and stretch into recess 12 through the power of spring 13, thereby can improve the stability of block between slider 9 and the spout 10.
When the core pulling mechanism of the casting machine is used, firstly, referring to fig. 1 to 3, the limiting plate 7 can be driven to move through the core pushing oil cylinder 6, then the limiting plate 7 is driven to move to drive the ejector rod 8 to move, then a workpiece in the die 1 can move upwards in the die 1, and the core pulling oil cylinder 4 is contracted to drive the iron core 3 to contract through contraction of the core pulling oil cylinder 4, and then the iron core 3 can be separated from the interior of the workpiece, so that the aim of facilitating demoulding is fulfilled;
Referring to fig. 1, 4 to 7, after the iron core 3 is worn, the iron core 3 is rotated to drive the sliding block 9 to rotate by rotating the iron core 3, then the iron core 3 is rotated to a proper position, then the sliding block 9 is separated from the clamping of the sliding groove 10, then the iron core 3 is pulled, the iron core 3 is moved to drive the sliding block 9 to move, then the iron core 3 can be separated from the core-pulling oil cylinder 4, so that the iron core 3 can be disassembled, and the operation is reversed, so that the iron core 3 can be rapidly installed;
Referring to fig. 1, 4 to 7, through the rotation of the slider 9, the slider 9 rotates to drive the bump 11 to rotate, and the bump 11 moves to squeeze the spring 13, so that the spring 13 is stressed to compress, and the bump 11 moves to be separated from the clamping of the groove 12, so that the slider 9 is convenient to be separated from the clamping of the chute 10, and the bump 11 can be pushed to extend into the groove 12 to form the clamping through the force of the spring 13, so that the stability of the clamping between the slider 9 and the chute 10 can be improved.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The core pulling mechanism comprises a die (1), wherein a die plate (2) is fixed at the bottom of the die (1);
characterized by further comprising:
The middle part of mould (1) slides has iron core (3), and the bottom of iron core (3) is laminated mutually with the top of core-pulling cylinder (4) and is set up to the middle part of limiting plate (7) is run through at the middle part of core-pulling cylinder (4), the bottom of core-pulling cylinder (4) passes through the middle part of screw fixation at mounting panel (5), and the equidistant ejector pin (8) that is fixed with in top of limiting plate (7) to the inside that mould (1) was stretched into at the top of ejector pin (8) constitutes slide mechanism, limiting plate (7) low side is fixed with top core cylinder (6), and the bottom of top core cylinder (6) passes through the screw fixation on mounting panel (5).
2. The core pulling mechanism of the casting machine with top-first and bottom-second pulling functions according to claim 1, wherein a sealing structure is formed between the top of the ejector rod (8) and the opening in the mold (1), and the top end of the ejector rod (8) is arranged in parallel with the top of the opening in the mold (1).
3. The core pulling mechanism of the casting machine with top-first and bottom-second drawing according to claim 1, wherein a sliding block (9) is fixed at the bottom of the iron core (3), the outer end of the sliding block (9) stretches into the sliding groove (10) to form a clamping mechanism, and the sliding groove (10) is arranged in the core pulling oil cylinder (4).
4. The core pulling mechanism for pouring machine top-first and bottom-pulling according to claim 3, wherein the inside of the sliding block (9) is provided with a protruding block (11) in a sliding manner, and the outer end of the protruding block (11) is arranged in a semicircular shape.
5. The core pulling mechanism of the casting machine with top-first and bottom-second pulling functions according to claim 4, wherein the outer end of the protruding block (11) extends into the groove (12) to form a clamping mechanism, and the groove (12) is arranged in the core pulling cylinder (4).
6. The core pulling mechanism of the casting machine with top-first and bottom-second pulling functions according to claim 5, wherein the inner end of the protruding block (11) is connected with a spring (13), and the inner end of the spring (13) is connected inside the sliding block (9).
7. The core pulling mechanism of the casting machine head and the rear pulling device according to claim 3, wherein the side edge of the sliding groove (10) is provided with an opening, the diameter of the opening of the sliding groove (10) is larger than that of the sliding block (9), and the opening of the sliding groove (10) is symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421088248.3U CN222360570U (en) | 2024-05-17 | 2024-05-17 | The core pulling mechanism of the pouring machine is first pushed up and then pulled out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421088248.3U CN222360570U (en) | 2024-05-17 | 2024-05-17 | The core pulling mechanism of the pouring machine is first pushed up and then pulled out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222360570U true CN222360570U (en) | 2025-01-17 |
Family
ID=94220458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421088248.3U Active CN222360570U (en) | 2024-05-17 | 2024-05-17 | The core pulling mechanism of the pouring machine is first pushed up and then pulled out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222360570U (en) |
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- 2024-05-17 CN CN202421088248.3U patent/CN222360570U/en active Active
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