CN210059611U - Material floating device of die - Google Patents
Material floating device of die Download PDFInfo
- Publication number
- CN210059611U CN210059611U CN201920245077.3U CN201920245077U CN210059611U CN 210059611 U CN210059611 U CN 210059611U CN 201920245077 U CN201920245077 U CN 201920245077U CN 210059611 U CN210059611 U CN 210059611U
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- Prior art keywords
- lifting
- lifting column
- blind hole
- spring
- hole
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Abstract
The utility model relates to a floating device of a mould, which comprises a lower die holder and a material lifting block, wherein the lower die holder is provided with a step blind hole, a guide sleeve is fixed in the large-diameter hole at the upper part of the stepped blind hole in an interference fit manner, a lifting column is in a sliding fit in the guide sleeve, the lifting column is provided with an axis blind hole with a downward opening, a lifting spring is arranged in a small-diameter hole at the lower part of the stepped blind hole, the upper end of the lifting spring is propped in the axle center blind hole of the lifting column, the lower end of the lifting spring is propped at the bottom of the small-diameter hole of the stepped blind hole, a sliding clearance of the lifting column is left between the lifting spring and the wall of the small-diameter hole, two limiting cutting shoulders are symmetrically arranged on the circumference of the lifting column, the lower die base is fixedly provided with two limiting pressing blocks which press the guide sleeve and correspond to the limiting cutting shoulders of the lifting column to limit the floating stroke of the lifting column, and the lifting block is fixedly connected to the upper end of the lifting column. The structure is simple, the volume is small, the die space is saved, and the floating material is simple and effective.
Description
Technical Field
The utility model relates to the technical field of mold, in particular to flotation device of mould.
Background
The die needs to float the formed material in the process of processing and forming the material, so that the material reaches a set position to ensure subsequent normal feeding and clamping and material taking of a manipulator on a machine tool. At present, the flotation can be accomplished through the flotation bracket that sets up in the mould usually, but the flotation bracket is frame construction, and the volume is great, and the flotation bracket needs whole buoyancy lift when buoyancy lift material, has not only occupied great mould space, and the flotation bracket of whole buoyancy lift still easily takes place to interfere with last mould, has influenced the normal work of mould. Particularly for a die needing a material formed in a horizontal or inclined direction, the common floating frame cannot normally avoid a male die forming the material in the horizontal or inclined direction, so that the floating material feeding of the die is abnormal, and the subsequent processing of the die is seriously influenced.
Disclosure of Invention
The utility model aims at providing a flotation device of mould to prior art not enough, its simple structure, small has not only practiced thrift the mould space, and its flotation is also simple effective.
The technical scheme of the utility model is that: the utility model provides a material floating device of mould, includes the die holder, lifts the material piece, the die holder is equipped with a ladder blind hole, fixed a guide sleeve of interference fit in the big footpath hole on ladder blind hole upper portion, a lift post sliding fit is in guide sleeve, the lift post is equipped with the downward axle center blind hole of opening, set up a lift spring in the path hole of ladder blind hole lower part, lift spring upper end supports in the axle center blind hole of lift post, and the lower extreme supports at the path hole bottom of ladder blind hole, the slip clearance of lift post is left between lift spring and the pore wall path, the circumference symmetry of lift post is equipped with two spacing shoulders of cutting, two spacing briquetting of die holder fixed mounting push down guide sleeve and correspond with the spacing shoulder of cutting of lift post and form the spacing to the lift post material float stroke, it is fixed connection in the lift post upper end to lift the material piece.
The lifting spring is a nitrogen spring.
The lifting block is fixedly connected with the lifting column through screws, and is provided with a countersunk hole through which the screws penetrate.
The lower end of the material lifting block is provided with a groove for inserting and positioning a lifting column, and the shape of the groove is matched with the section plane of the upper end of the lifting column.
The two limiting pressing blocks are respectively and fixedly connected with the lower die base through screws, and the two limiting pressing blocks are respectively provided with a countersunk hole for the screws to pass through.
Adopt above-mentioned technical scheme: the material lifting device comprises a lower die holder and a material lifting block, wherein the lower die holder is provided with a stepped blind hole, a guide sleeve is fixed in a large-diameter hole in the upper portion of the stepped blind hole in an interference fit mode, a lifting column is in a sliding fit mode in the guide sleeve, the lifting column is provided with an axis blind hole with a downward opening, a lifting spring is arranged in a small-diameter hole in the lower portion of the stepped blind hole, the upper end of the lifting spring abuts against the axis blind hole of the lifting column, the lower end of the lifting spring abuts against the bottom of a small-diameter hole of the stepped blind hole, a sliding gap of the lifting column is reserved between the lifting spring and the small-diameter hole wall, two limiting cutting shoulders are symmetrically arranged on the circumference of the lifting column, the guide sleeve is pressed by two limiting pressing blocks fixedly installed on the lower die holder, the limiting cutting shoulders of the lifting column correspond to limit the floating stroke of the lifting column. The material to be molded in the mold is positioned between the upper mold and the lower mold and is supported by the material lifting block of the floating device. When the upper die moves down to form the material, the lifting spring is compressed, and the lifting column slides downwards along the guide sleeve to give way for the forming material. After the forming is finished, the upper die moves upwards, meanwhile, the lifting spring pushes the lifting column to slide upwards along the guide sleeve, so that the material lifting block pushes the formed material upwards, the floating lifting of the material is realized, and the subsequent normal feeding and material taking are ensured. Wherein, two spacing briquetting in the device have restricted the lifting column height that upwards slides, have realized spacing to material floating height, and spacing is also simple effective moreover. The floating device is simple in structure, convenient to assemble, small in size, easy to arrange in a die and capable of saving die space. Meanwhile, the condition of interference with the upper die during material floating is avoided, even for the die for forming the material in the horizontal or inclined direction, the material can be stably floated, the normal work of the die is ensured, and the guarantee is provided for subsequent normal processing.
The lifting spring is a nitrogen spring, the nitrogen spring works stably and has a long stroke, floating materials are facilitated, the service life is long, and the fault frequency of the die is reduced.
The lifting block is fixedly connected with the lifting column through screws, and is provided with a countersunk hole through which the screws penetrate. The screw connection is simple and stable, and the countersunk hole can avoid the condition that the screw interferes with the material, and is more favorable for the molding of the material.
The lower end of the material lifting block is provided with a groove for inserting and positioning a lifting column, and the shape of the groove is matched with the section plane of the upper end of the lifting column. The groove forms the positioning of the lifting column, prevents the lifting column from rotating relative to the material lifting block, facilitates the assembly of the lifting column and the material lifting block, and improves the stability of the structure of the device.
The two limiting pressing blocks are respectively and fixedly connected with the lower die base through screws, and the two limiting pressing blocks are respectively provided with a countersunk hole for the screws to pass through. The counter sink is mainly used for preventing the mounted screws from interfering with an upper die or a material, and ensuring the normal work of the die.
The floating device of the die is simple and stable in structure, convenient to assemble and long in service life. In addition, the device has small volume, is easy to arrange in the die, and saves the die space. Meanwhile, the condition that the device interferes with the upper die when the material is floated is avoided, the material can be stably floated even for the die for forming the material in the horizontal or inclined direction, and the normal work of the die is ensured.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the lifting column of the present invention engaged with the guide sleeve;
FIG. 3 is a schematic structural view of the lifting column of the present invention;
FIG. 4 is a schematic structural view of the material lifting block of the present invention;
fig. 5 is a bottom view of fig. 4.
In the attached drawing, 1 is a lower die base, 1-1 is a stepped blind hole, 2 is a limiting pressing block, 3 is a lifting block, 3-1 is a groove, 4 is a lifting column, 4-1 is an axis blind hole, 4-2 is a shoulder, 5 is a guide sleeve, and 6 is a lifting spring.
Detailed Description
Referring to fig. 1 to 5, the die floating device comprises a lower die holder 1 and a lifting block 3, wherein the lower die holder 1 is provided with a stepped blind hole 1-1, a guide sleeve 5 is fixed in a large-diameter hole in the upper portion of the stepped blind hole 1-1 in an interference fit manner, the guide sleeve 5 is stably connected in the interference fit manner, the guide sleeve 5 is simple to assemble, and the guide sleeve 5 is made of a material with high hardness, so that the smoothness of up-and-down sliding of a lifting column 4 can be improved, and the floating sliding of the lifting column 4 is more stable. A lifting column 4 is in sliding fit in the guide sleeve 5, and the lifting column 4 is provided with an axial center blind hole 4-1 with a downward opening. A lifting spring 6 is arranged in a small-diameter hole at the lower part of the stepped blind hole 1-1, the upper end of the lifting spring 6 is propped against the axle center blind hole of the lifting column 4, the lower end of the lifting spring is propped against the bottom of the small-diameter hole of the stepped blind hole 1-1, and the lifting spring 6 realizes the vertical sliding of the lifting column 4. A sliding gap of the lifting column 4 is reserved between the lifting spring 6 and the small-diameter hole wall, the sliding gap can be used for up-and-down sliding abdication of the lifting column 4, and sufficient telecontrol stroke of the lifting column 4 is guaranteed. The lifting spring 6 is a nitrogen spring, the nitrogen spring works stably and has long stroke, thereby being more beneficial to floating and lifting materials, having long service life and reducing the fault frequency of the die. Two limiting cutting shoulders 4-2 are symmetrically arranged on the circumference of the lifting column 4, two limiting pressing blocks 2 are fixedly arranged on the lower die base 1 and press the guide sleeve 5, and the limiting pressing blocks correspond to the limiting cutting shoulders 4-2 of the lifting column 4 to limit the floating stroke of the lifting column 4. The two limiting pressing blocks 2 are respectively and fixedly connected with the lower die base 1 through screws, the two limiting pressing blocks 2 are respectively provided with a countersunk hole 2-1 for the screws to pass through, and the countersunk hole 2-1 is mainly used for preventing the mounted screws from interfering with an upper die or a material and ensuring the normal work of the die. Two limiting pressing blocks 2 in the device limit the upward sliding height of the lifting column 4, so that the floating height of the material is limited, and the limitation is simple and effective. The material lifting block 3 is fixedly connected to the upper end of the lifting column 4, the material lifting block 3 and the lifting column 4 are fixedly connected through screws, and the material lifting block 3 is provided with a countersunk hole 3-2 through which the screw penetrates. The screw connection is simple and stable, and the countersunk hole 3-2 of the material lifting block 3 can avoid the interference between the screw and the material, and is more beneficial to the molding of the material. The lower end of the lifting block 3 is provided with a groove 3-1 for inserting and positioning the lifting column 4, and the shape of the groove 3-1 is matched with the section plane of the upper end of the lifting column 4. The groove 3-1 positions the lifting column 4, prevents the lifting column 4 and the material lifting block 3 from rotating relatively, facilitates the assembly of the lifting column 4 and the material lifting block 3, and improves the structural stability of the device.
The material to be molded is positioned between the upper die and the lower die of the die and is supported by the material lifting block 3 of the floating device. When the upper die moves downwards to form the material, the lifting spring 6 is compressed, and the lifting column 4 slides downwards along the guide sleeve 5 to give way to the upper die, so that the action of the forming material is realized. After the forming is finished, the upper die moves upwards, meanwhile, the lifting spring 6 pushes the lifting column 4 to slide upwards along the guide sleeve 5, so that the material lifting block 3 pushes the formed material upwards, the floating lifting of the material is realized, and the subsequent normal feeding and material taking are ensured. The floating device is simple in structure, convenient to assemble, small in size, easy to arrange in a die and capable of saving die space. Meanwhile, the condition of interference with the upper die during material floating is avoided, even for the die for forming the material in the horizontal or inclined direction, the material can be stably floated, the normal work of the die is ensured, and the guarantee is provided for subsequent normal processing.
Claims (5)
1. The utility model provides a flotation device of mould, includes die holder (1), lifts material piece (3), its characterized in that: the lower die holder (1) is provided with a stepped blind hole (1-1), a guide sleeve (5) is fixed in a large-diameter hole in the upper portion of the stepped blind hole (1-1) in an interference fit mode, a lifting column (4) is in a sliding fit mode in the guide sleeve (5), the lifting column (4) is provided with an axis blind hole (4-1) with a downward opening, a lifting spring (6) is arranged in a small-diameter hole in the lower portion of the stepped blind hole (1-1), the upper end of the lifting spring (6) abuts against the axis blind hole of the lifting column (4), the lower end of the lifting spring abuts against the bottom of a small-diameter hole of the stepped blind hole (1-1), a sliding gap of the lifting column (4) is reserved between the lifting spring (6) and the small-diameter hole wall, two limiting cutting shoulders (4-2) are symmetrically arranged on the circumference of the lifting column (4), and two limiting press blocks (2) are fixedly installed on the lower die holder (1) to press the guide sleeve (5) and press the limiting cutting shoulders (4) of the 2) And correspondingly forming the limit of the floating stroke of the lifting column (4), and the material lifting block (3) is fixedly connected to the upper end of the lifting column (4).
2. The buoyant apparatus for a mold according to claim 1, wherein: the lifting spring (6) is a nitrogen spring.
3. The buoyant apparatus for a mold according to claim 1, wherein: the lifting block (3) is fixedly connected with the lifting column (4) through screws, and the lifting block (3) is provided with a countersunk hole through which the screws penetrate.
4. The buoyant apparatus for a mold according to claim 1, wherein: the lower end of the lifting block (3) is provided with a groove (3-1) for inserting and positioning the lifting column (4), and the shape of the groove (3-1) is matched with the section plane of the upper end of the lifting column (4).
5. The buoyant apparatus for a mold according to claim 1, wherein: the two limiting pressing blocks (2) are respectively and fixedly connected with the lower die base (1) through screws, and the two limiting pressing blocks (2) are respectively provided with a countersunk hole for the screws to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920245077.3U CN210059611U (en) | 2019-02-27 | 2019-02-27 | Material floating device of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920245077.3U CN210059611U (en) | 2019-02-27 | 2019-02-27 | Material floating device of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210059611U true CN210059611U (en) | 2020-02-14 |
Family
ID=69432812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920245077.3U Expired - Fee Related CN210059611U (en) | 2019-02-27 | 2019-02-27 | Material floating device of die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210059611U (en) |
-
2019
- 2019-02-27 CN CN201920245077.3U patent/CN210059611U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |