CN217252700U - Sliding block ejection mechanism for die casting die - Google Patents
Sliding block ejection mechanism for die casting die Download PDFInfo
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- CN217252700U CN217252700U CN202123349069.XU CN202123349069U CN217252700U CN 217252700 U CN217252700 U CN 217252700U CN 202123349069 U CN202123349069 U CN 202123349069U CN 217252700 U CN217252700 U CN 217252700U
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- die
- rod
- sliding block
- guide section
- ejector rod
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Abstract
The utility model discloses a die casting die is with slider ejection mechanism, including slider and ejector pin, the slider includes slider body and take-up housing, and characteristics are provided with the oblique slip plane from the compound die direction downward sloping of mould on the take-up housing, are provided with a terminal surface on the oblique slip plane and carve tight piece with oblique slip plane matched with, carve tight piece fixed mounting on the fixed die frame of mould, the lower terminal surface of carving tight piece is provided with a direction breach along the compound die direction of mould, the top face of direction breach is the plain end face, the ejector pin can set up in the slider with moving about from top to bottom, the top end of ejector pin stretches out the oblique slip plane and is located the direction breach, the lower end and the part activity butt of ejector pin are provided with the elasticity reset component that is used for realizing that the ejector pin resets in the slider. The ejection mechanism has the advantages of simple structure, realization of the installation of the whole ejection mechanism only by utilizing the installation space of the sliding block, ejection during die opening of the die, convenience in operation, low failure rate and convenience in disassembly and assembly.
Description
Technical Field
The utility model belongs to the technical field of the die-casting and specifically relates to a slider ejection mechanism for die casting die is related to.
Background
In the casting process of part, thereby can have the part and the die cavity adhesion to lead to the difficult drawing of patterns of part or the condition emergence of warping when the drawing of patterns, so can influence the production efficiency of part to a certain extent, based on this, partial die casting die can design the slider ejecting as required to solve the difficult drawing of patterns of above-mentioned part and the problem of warping. The conventional sliding block ejection method adopts an oil cylinder to act for ejection, the oil cylinder needs to occupy a certain space for installation, certain influence is provided for the whole structural design of the sliding block, meanwhile, the failure rate of the oil cylinder is high in the using process, the oil cylinder is troublesome to disassemble and assemble, and once the oil cylinder fails, the maintenance or replacement is inconvenient, and the production efficiency is also influenced to a certain extent.
Disclosure of Invention
The utility model aims to solve the technical problem that a slider ejection mechanism for die casting die that simple structure, convenient to use, require less and make things convenient for the dismouting to installation space is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a sliding block ejection mechanism for a die-casting die comprises a sliding block and an ejector rod, wherein the sliding block comprises a sliding block body extending into a die cavity of the die and a sliding block seat fixedly connected to the sliding block body and positioned outside the die cavity of the die, an inclined sliding surface inclining downwards from the die assembly direction of the die is arranged on the sliding block seat, a wedge block with a lower end surface matched with the inclined sliding surface is arranged on the inclined sliding surface, the wedge block is fixedly arranged on a fixed die frame of the die, a guide notch is formed in the lower end surface of the wedge block along the die assembly direction of the die, the top end surface of the guide notch is a flat end surface, the ejector rod can be movably arranged in the sliding block up and down, the upper end head of the ejector rod extends out of the inclined sliding surface and is positioned in the guide notch, and the lower end head of the ejector rod is movably abutted to a part, and an elastic reset component for realizing the reset of the ejector rod is arranged in the sliding block.
The ejector rod comprises an upper driving rod and a lower ejector rod which are arranged from top to bottom in a segmented mode, the upper end head of the upper driving rod extends out of the oblique sliding surface and is located in the guide notch, the lower end head of the upper driving rod is abutted to the upper end head of the lower ejector rod, and the lower end head of the lower ejector rod is movably abutted to the part. The ejector pin comprises the upper drive pole of sectional type and ejector pin down, and the upper drive pole can adopt different materials preparation with ejector pin down, for example the upper drive pole only need adopt ordinary No. 45 steel can, effective reduce cost, when wearing and tearing take place for one of them part, only need replace this part of wearing and tearing can, need not to carry out whole replacement to whole ejector pin, also effectively reduced use cost.
The upper and lower through ejector rod installation cavities are arranged in the sliding block and used for installing the ejector rod, each ejector rod installation cavity comprises an upper guide section and a lower guide section which are coaxially and sequentially arranged from top to bottom, the inner diameter of the upper guide section is larger than that of the lower guide section, the lower end of the upper driving rod is coaxially provided with a driving end head, the outer diameter of the driving end head is larger than that of the upper driving rod, the upper end of the lower ejector rod is coaxially provided with a limiting end head, the outer diameter of the limiting end head is larger than that of the lower ejector rod, the limiting end head can be movably arranged in the upper guide section up and down, the driving end head is abutted against the limiting end head, the lower end of the lower ejector rod can be movably arranged in the lower guide section up and down, the elastic reset component is a spring, and the spring is sleeved on the lower ejector rod, the spring is positioned in the upper guide section and is arranged between the lower end surface of the limiting end and the bottom end surface of the upper guide section. The structure realizes the stable installation and the stable up-and-down movement of the ejector rod; the elastic reset component is a spring, the structure is simple, the cost is low, and the stable and quick reset of the ejector rod can be realized; through the mutual butt of drive end and spacing end, can ensure that the actuating lever can drive ejector pin activity from top to bottom down under can steadily.
The outside of last actuating lever cup joint and install the stop collar, the internal diameter of stop collar be less than the external diameter of drive end, the stop collar set up last direction section in, the bottom face of stop collar be located the top of the bottom face of last direction section form a movable stroke chamber, the drive end with the stop collar can set up with moving about from top to bottom the movable stroke intracavity. The reset position of the upper driving rod is limited through the limiting sleeve, and the upper driving rod is prevented from jumping out of the sliding block due to overlarge restoring force.
The stop collar on have a mounting panel, the slant glide plane on be provided with mounting panel matched with installation sunken, mounting panel detachably install the installation sunken in. Realize the stable installation of stop collar, mounting panel detachably installs in the installation is sunken, can realize installing the quick change of the part in the slider.
The mounting plate is detachably mounted in the mounting recess through screws or bolts. Simple structure, convenient assembly and disassembly and low cost.
Compared with the prior art, the utility model has the advantages of: simple structure only needs to utilize the installation space of slider self can realize whole ejection mechanism's installation, can realize simultaneously ejecting when the mould die sinking, convenient operation, and the fault rate is low and easy dismounting.
Drawings
Fig. 1 is a schematic sectional structural view of the present invention in a mold closing state;
FIG. 2 is a schematic view of a three-dimensional structure of the middle stop collar of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of the sectional structure of the slide block retreating in the mold opening state of the present invention;
fig. 5 is an enlarged structural view at B in fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in the figure, a sliding block ejection mechanism for a die-casting die comprises a sliding block 1 and an ejector rod 2, wherein the sliding block 1 comprises a sliding block body 11 extending into a die cavity Q of the die and a sliding block seat 12 fixedly connected to the sliding block body 11 and located outside the die cavity Q of the die, an inclined sliding surface 121 inclined downwards from a die assembly direction of the die is arranged on the sliding block seat 12, a wedge-fastening block 3 with a lower end surface matched with the inclined sliding surface 121 is arranged on the inclined sliding surface 121, the wedge-fastening block 3 is fixedly installed on a fixed die frame K1 of the die, a guide notch 31 is arranged on the lower end surface of the wedge-fastening block 3 along the die assembly direction of the die, a top end surface 311 of the guide notch 31 is a flat end surface, the ejector rod 2 can be movably arranged in the sliding block 1 up and down, an upper end of the ejector rod 2 extends out of the inclined sliding surface 121 and is located in the guide notch 31, a lower end of the ejector rod 2 is movably abutted to a part L, and an elastic reset member 4 for resetting the ejector rod 2 is arranged in the sliding block 1.
In this embodiment, the top rod 2 includes an upper driving rod 21 and a lower top rod 22, which are arranged in segments from top to bottom, an upper end of the upper driving rod 21 extends out of the inclined sliding surface 121 and is located in the guiding notch 31, a lower end of the upper driving rod 21 abuts against an upper end of the lower top rod 22, and a lower end of the lower top rod 22 movably abuts against the part L. The ejector rod 2 comprises the upper drive pole 21 of sectional type and ejector rod 22 down, and upper drive pole 21 can adopt different materials preparation with ejector rod 22 down, for example upper drive pole 21 only need adopt ordinary No. 45 steel can, can effective reduce cost, when wearing and tearing take place for one of them part, only need replace this part L of wearing and tearing can, need not to carry out whole replacement to whole ejector rod 2, also effectively reduced use cost.
In this embodiment, a vertically through ejector rod installation cavity 5 for installing the ejector rod 2 is arranged in the slider 1, the ejector rod installation cavity 5 includes an upper guide section 51 and a lower guide section 52 which are coaxially and sequentially arranged from top to bottom, an inner diameter of the upper guide section 51 is larger than an inner diameter of the lower guide section 52, a lower end of the upper drive rod 21 is coaxially provided with a drive end 211, an outer diameter of the drive end 211 is larger than an outer diameter of the upper drive rod 21, an upper end of the lower ejector rod 22 is coaxially provided with a limit end 221, an outer diameter of the limit end 221 is larger than an outer diameter of the lower ejector rod 22, the limit end 221 is movably arranged in the upper guide section 51 up and down, the drive end 211 abuts against the limit end 221, a lower end of the lower ejector rod 22 is movably arranged in the lower guide section 52 up and down, the elastic reset member 4 is a spring, the spring is sleeved and installed on the lower ejector rod 22, and the spring is located in the upper guide section 51 and is arranged between a lower end face of the limit end face of the upper guide section 221 and the lower end face of the upper guide section 51. The structure realizes the stable installation and the stable up-and-down movement of the mandril 2; the elastic reset component 4 is a spring, has simple structure and low cost, and can realize the stable and quick reset of the ejector rod 2; the mutual abutting between the driving end 211 and the limiting end 221 ensures that the upper driving rod 21 can stably drive the lower ejection rod 22 to move up and down.
In this embodiment, the limiting sleeve 6 is sleeved on the exterior of the upper driving rod 21, the inner diameter of the limiting sleeve 6 is smaller than the outer diameter of the driving end 211, the limiting sleeve 6 is disposed in the upper guiding section 51, the bottom end surface of the limiting sleeve 6 is located above the bottom end surface of the upper guiding section 51 to form a movable stroke cavity, and the driving end 211 and the limiting end 221 are movably disposed in the movable stroke cavity up and down. The reset position of the upper driving rod 21 is limited by the limiting sleeve 6, so that the upper driving rod 21 is prevented from jumping out of the slider 1 due to overlarge restoring force.
In this embodiment, the position-limiting sleeve 6 has a mounting plate 61 thereon, the inclined sliding surface 121 is provided with a mounting recess 122 matching with the mounting plate 61, and the mounting plate 61 is detachably mounted in the mounting recess 122. Realize the stable installation of stop collar 6, mounting panel 61 detachably installs in installation sunken 122, can realize installing the quick change of part L in slider 1.
In this embodiment, the mounting plate 61 is detachably mounted in the mounting recess 122 by screws or bolts. Simple structure, convenient assembly and disassembly and low cost.
When the die is closed, the sliding block 1 is locked through the wedging block 3, the upper driving rod 21 and the lower ejection rod 22 are simultaneously pressed, when the die is opened, the sliding block 1 retreats, and the upper driving rod 21 drives the lower ejection rod 22 to downwards enable the lower end of the lower ejection rod 2 to be abutted to the part L under the action of the wedging block 3, so that the ejection effect is achieved.
Claims (6)
1. A sliding block ejection mechanism for a die-casting die comprises a sliding block and an ejector rod, wherein the sliding block comprises a sliding block body extending into a die cavity of the die and a sliding block seat fixedly connected to the sliding block body and positioned outside the die cavity of the die, and is characterized in that an inclined sliding surface inclining downwards from the die assembly direction of the die is arranged on the sliding block seat, a wedge block with a lower end surface matched with the inclined sliding surface is arranged on the inclined sliding surface, the wedge block is fixedly arranged on a fixed die frame of the die, a guide notch is formed in the lower end surface of the wedge block along the die assembly direction of the die, the top end surface of the guide notch is a flat end surface, the ejector rod can be movably arranged in the sliding block up and down, and the upper end head of the ejector rod extends out of the inclined sliding surface and is positioned in the guide notch, the lower end of the ejector rod is movably abutted against the part, and an elastic reset component for realizing the reset of the ejector rod is arranged in the sliding block.
2. The slide block ejection mechanism for the die-casting die as claimed in claim 1, wherein the ejector rod comprises an upper driving rod and a lower ejection rod which are arranged in a sectional manner from top to bottom, an upper end head of the upper driving rod extends out of the inclined sliding surface and is located in the guide notch, a lower end head of the upper driving rod abuts against an upper end head of the lower ejection rod, and a lower end head of the lower ejection rod movably abuts against a part.
3. The die-casting die sliding block ejection mechanism as claimed in claim 2, wherein the sliding block is internally provided with an ejector rod installation cavity which is vertically penetrated and used for installing the ejector rod, the ejector rod installation cavity comprises an upper guide section and a lower guide section which are coaxially and sequentially arranged from top to bottom, the inner diameter of the upper guide section is larger than that of the lower guide section, the lower end of the upper drive rod is coaxially provided with a drive end head, the outer diameter of the drive end head is larger than that of the upper drive rod, the upper end of the lower ejection rod is coaxially provided with a limit end head, the outer diameter of the limit end head is larger than that of the lower ejection rod, the limit end head can be movably arranged in the upper guide section up and down, the drive end head is abutted against the limit end head, and the lower end of the lower ejection rod can be movably arranged in the lower guide section up and down, the elastic reset component is a spring which is sleeved on the lower ejection rod, and the spring is positioned in the upper guide section and is arranged between the lower end surface of the limiting end and the bottom end surface of the upper guide section.
4. The slide block ejection mechanism for the die-casting die as claimed in claim 3, wherein a limit sleeve is sleeved outside the upper driving rod, the inner diameter of the limit sleeve is smaller than the outer diameter of the driving end, the limit sleeve is disposed in the upper guide section, the bottom end surface of the limit sleeve is located above the bottom end surface of the upper guide section to form a movable stroke cavity, and the driving end and the limit end are movably disposed in the movable stroke cavity up and down.
5. The die-casting die slide block ejection mechanism as claimed in claim 4, wherein the stop collar has a mounting plate, the inclined sliding surface has a mounting recess formed therein for engagement with the mounting plate, and the mounting plate is detachably mounted in the mounting recess.
6. The slide ejection mechanism for a die casting mold as claimed in claim 5, wherein the mounting plate is detachably mounted in the mounting recess by a screw or a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349069.XU CN217252700U (en) | 2021-12-28 | 2021-12-28 | Sliding block ejection mechanism for die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349069.XU CN217252700U (en) | 2021-12-28 | 2021-12-28 | Sliding block ejection mechanism for die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217252700U true CN217252700U (en) | 2022-08-23 |
Family
ID=82890405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123349069.XU Active CN217252700U (en) | 2021-12-28 | 2021-12-28 | Sliding block ejection mechanism for die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217252700U (en) |
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2021
- 2021-12-28 CN CN202123349069.XU patent/CN217252700U/en active Active
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