CN217474640U - Take mould self-lubricating copper billet of air film structure - Google Patents
Take mould self-lubricating copper billet of air film structure Download PDFInfo
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- CN217474640U CN217474640U CN202221528102.7U CN202221528102U CN217474640U CN 217474640 U CN217474640 U CN 217474640U CN 202221528102 U CN202221528102 U CN 202221528102U CN 217474640 U CN217474640 U CN 217474640U
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Abstract
The utility model discloses a self-lubricating copper block with a gas film structure for a mould, which comprises a copper block; the upper surface of the copper block is embedded with a plurality of graphite columns; the copper block is provided with a plurality of sunken pits on the upper surface, the space occupied by the sunken pits is in a circular truncated cone shape, the opening area of each sunken pit is larger than the bottom area of the sunken pit, the bottom of each sunken pit is provided with a stepped hole penetrating through the copper block, and the side wall of each sunken pit is provided with an obliquely upward air outlet hole; and the top edges of the adjacent recessed pits are communicated with a longitudinal air guide groove, and the longitudinal air guide groove is also vertically communicated with a transverse air guide groove. Adopt this utility model to add the gas circuit structure on the basis of traditional self-lubricating copper billet, further reduce frictional resistance. The gas film diffusion effect that the gas circuit produced is better, and the fixed mode of copper billet self can not influence the production of gas film yet.
Description
Technical Field
The utility model relates to a mould accessory field, concretely relates to take mould self-lubricating copper billet of air film structure.
Background
The self-lubricating guide block is a part commonly used in the field of dies, mainly plays a role in short-distance sliding and guiding materials, and mainly works by depending on a self low friction factor. The existing self-lubricating guide block mainly reduces friction force by means of graphite on the surface of the guide block, and the friction force is optimized in a single mode.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a take mould self-lubricating copper billet of air film structure has add the gas circuit structure on the basis of traditional self-lubricating copper billet, further reduces frictional resistance. The gas film diffusion effect that the gas circuit produced is better, and the fixed mode of copper billet self can not influence the production of gas film yet.
In order to solve the problem, the utility model provides a take mould self-lubricating copper billet of air film structure, for reaching above-mentioned purpose, the utility model provides a technical scheme that its technical problem adopted is:
a take mould self-lubricating copper billet of air film structure includes: a copper block; the upper surface of the copper block is embedded with a plurality of graphite columns; the copper block comprises a copper block body, a plurality of concave pits, a plurality of air outlets and a plurality of air outlets, wherein the upper surface of the copper block body is provided with a plurality of concave pits, the space occupied by the concave pits is in a circular truncated cone shape, the opening area of each concave pit is larger than the bottom area of the concave pit, the bottom of each concave pit is provided with a stepped hole penetrating through the copper block body, and the side wall of each concave pit is provided with an air outlet hole which is inclined upwards; and the top edges of the adjacent recessed pits are communicated with a longitudinal air guide groove, and the longitudinal air guide groove is also vertically communicated with a transverse air guide groove.
The beneficial effect of adopting above-mentioned technical scheme is: the gas circuit structure is additionally arranged on the basis of the traditional self-lubricating copper block, and the gushed gas forms a gas film between the upper surface of the copper block and the lower surface of a bearing object, so that the down pressure of the bearing object is correspondingly reduced. On the premise of no change of the friction factor, the down pressure is reduced, and the friction resistance of the self-lubricating copper block in guiding can be reduced.
The additionally arranged pit facilitates the layout of air outlet holes and the diffusion of gushed air into a circular surface, and the vertically crossed longitudinal air guide grooves and the transverse air guide grooves continuously diffuse air flow in the pit, so that a layer of air film is uniformly paved on the surface of the copper block as much as possible. The recessed pit is covered by the lower surface of the carrier to form a temporary air cavity, which allows for a short compression of the air to some extent, in some cases, without the air flow being blocked by the bend. Meanwhile, the step hole is convenient for fixing the copper block with the external bottom, and the bolt in the step hole cannot protrude outwards and influence the upper surface of the copper block.
The graphite column has lubricating capacity, and the hardness of the copper block is smaller than that of steel, so that the steel bearing object cannot be damaged during guide lubrication.
As a further improvement, the outer surface of each graphite column is cylindrical, and the height of the top of each graphite column is not lower than the height of the upper surface of the copper block.
The beneficial effect of adopting above-mentioned technical scheme is: the graphite columns are half-buried on the copper blocks.
As a further improvement, the linear distance from the transverse air guide groove to two adjacent concave pits is equal, and the two ends of the transverse air guide groove are not communicated with the side vertical surfaces of the copper blocks.
The beneficial effect of adopting above-mentioned technical scheme is: the transverse gas guide groove is not communicated with the side vertical face of the copper block, so that the gas can be prevented from being dissipated too fast, and the gas film can be kept.
As the utility model discloses a further improvement again, the self width in vertical air guide groove, horizontal air guide groove is greater than self degree of depth.
The beneficial effect of adopting above-mentioned technical scheme is: the longitudinal air guide groove and the transverse air guide groove are large in opening and shallow in body, so that the horizontal diffusion of air flow is facilitated.
As a further improvement of the utility model, a main air channel is arranged in the copper block, the extending direction of the main air channel is parallel to the length direction of the copper block, and the main air channel is communicated with the air outlet hole through an air dividing channel; the air distributing passage comprises an oblique air passage and a turning air passage.
The beneficial effect of adopting above-mentioned technical scheme is: the main air passage is connected with an external gas generator. The branch air duct guides the air flow to act on each concave pit.
As the utility model discloses a further improvement again, every sunken hole communicates respectively has a slant air flue, a air flue that turns round, and the line between two ventholes is parallel with the length in vertical air guide groove in the sunken hole, and the respective orientation direction of two ventholes is mirror symmetry along the sunken hole self axis in place in every sunken hole.
The beneficial effect of adopting above-mentioned technical scheme is: the layout of the two air outlet holes ensures that the air flow is easy to diffuse along the length direction of the copper block compared with the diffusion along the width direction of the copper block, and the air flow also conforms to the shape characteristic of the copper block.
As a further improvement of the utility model, the air flow running direction in the oblique air passage and the air flow running direction in the main air passage form an acute included angle; the air flow running direction of the bottom in the turning air passage and the air flow running direction in the main air passage form an acute included angle, and the air flow running direction of the top in the turning air passage and the air flow running direction in the main air passage form an obtuse included angle.
The beneficial effect of adopting above-mentioned technical scheme is: the air flow is ensured to be smoothly transmitted between the main air passage and the branch air passage, and the air backflow phenomenon caused by negative pressure is avoided.
As a further improvement of the utility model, the number of the pits is less than the number of the graphite columns, and the opening area of a single pit is larger than the cross sectional area of a single graphite column.
The beneficial effect of adopting above-mentioned technical scheme is: the more and smaller the graphite columns are, the better the self-lubricating effect is.
As a further improvement, the edges of the two ends of the copper block are provided with chamfers.
The beneficial effect of adopting above-mentioned technical scheme is: the two ends of the copper block are provided with chamfers, so that the bearing objects are prevented from being scratched by sharp external corner edges at the two ends of the copper block.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a top view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of an embodiment of the present invention;
fig. 3 is a perspective view of an embodiment of the present invention.
1-copper block; 2-a graphite column; 3-dishing; 4-air outlet holes; 5-a stepped hole; 6-main air passage; 7-oblique air passage; 8-turning air passage; 9-longitudinal air guide grooves; 10-transverse air guide groove.
Detailed Description
The following detailed description is made for the contents of the present invention with reference to the specific embodiments:
in order to achieve the purpose of the utility model, a take mould self-lubricating copper billet of air film structure, include: 1, a copper block; the upper surface of the copper block 1 is embedded with a plurality of graphite columns 2; the copper block comprises a pit 3, wherein a plurality of pits 3 are formed in the upper surface of a copper block 1, the space occupied by the pits 3 is in a circular truncated cone shape, the opening area of each pit 3 is larger than the bottom area of the pit, the bottom of each pit 3 is provided with a stepped hole 5 penetrating through the copper block 1, and the side wall of each pit 3 is provided with an obliquely upward air outlet hole 4; and the top edges of the adjacent pits 3 are communicated with a longitudinal air guide groove 9, and the longitudinal air guide groove 9 is also vertically communicated with a transverse air guide groove 10. The additionally arranged pit 3 is convenient for the layout of the air outlet holes 4 and the spread of the gushed air into a circular surface, and the vertical air guide grooves 9 and the horizontal air guide grooves 10 which are vertically crossed continuously spread the air flow in the pit, so that the surface of the copper block 1 is uniformly paved with a layer of air film as much as possible. The indentation pit 3 is covered by the lower surface of the bearing object to form a temporary air cavity, so that the air can be compressed temporarily to a certain extent. Meanwhile, the stepped hole 5 is convenient for fixing the copper block 1 and the external bottom together, and the bolt in the stepped hole 5 cannot protrude outwards and influence the upper surface of the copper block 1.
The beneficial effect of adopting above-mentioned technical scheme is: the gas circuit structure is additionally arranged on the basis of the traditional self-lubricating copper block, and the gushed gas forms a gas film between the upper surface of the copper block and the lower surface of the bearing object, so that the downward pressure of the bearing object is correspondingly reduced. On the premise of no change of the friction factor, the down pressure is reduced, and the friction resistance of the self-lubricating copper block during guiding can be reduced. The graphite column has lubricating capability, and the hardness of the copper block is less than that of steel, so that the steel bearing object cannot be damaged during guiding and lubricating.
In other embodiments of the present invention, the outer surface of each graphite column 2 is cylindrical, and the height of the top of the graphite column 2 is not lower than the height of the upper surface of the copper block 1.
The beneficial effect of adopting above-mentioned technical scheme is: the graphite columns are half-buried on the copper blocks.
In other embodiments of the present invention, the linear distance from the transverse air guiding groove 10 to the two adjacent recessed pits 3 is equal, and the two ends of the transverse air guiding groove 10 are not communicated with the side vertical surfaces of the copper block 1.
The beneficial effect of adopting above-mentioned technical scheme is: the transverse gas guide groove is not communicated with the side vertical face of the copper block, so that the gas can be prevented from being dissipated too fast, and the gas film can be kept.
In other embodiments of the present invention, the width of the longitudinal air guiding grooves 9 and the width of the transverse air guiding grooves 101 are larger than the depth thereof.
The beneficial effect of adopting above-mentioned technical scheme is: the longitudinal air guide groove and the transverse air guide groove are large in opening and shallow in body, so that the horizontal diffusion of air flow is facilitated.
In other embodiments of the present invention, a main air duct 6 is disposed in the copper block 4, the extending direction of the main air duct 6 is parallel to the length direction of the copper block 1, and the main air duct 6 is communicated with the air outlet 4 through an air dividing duct; the air dividing passage comprises an oblique air passage 7 and a turning air passage 8.
The beneficial effect of adopting above-mentioned technical scheme is: the main air passage is connected with an external gas generator. The branch air duct guides the air flow to act on each concave pit.
The utility model discloses an in other embodiments, every sunken hole 3 communicates respectively has a slant air flue 7, a turning air flue 8, and the line between two ventholes 4 is parallel with the length of vertical air guide groove 9 in the sunken hole 3, and the respective orientation direction of two ventholes 4 is mirror symmetry along place sunken hole 3 self axis in every sunken hole 3.
The beneficial effect of adopting above-mentioned technical scheme is: the layout of the two air outlet holes enables the diffusion of the air flow along the length direction of the copper block to be easier than the diffusion along the width direction of the copper block, and the shape characteristics of the copper block are also met.
In other embodiments of the present invention, as shown in fig. 2, the air flow running direction in the oblique air passage 7 and the air flow running direction in the main air passage 6 form an acute angle; the air flow running direction of the bottom in the turning air passage 8 and the air flow running direction in the main air passage 6 form an acute angle, and the air flow running direction of the top in the turning air passage 8 and the air flow running direction in the main air passage 6 form an obtuse angle.
The beneficial effect of adopting above-mentioned technical scheme is: the air current is guaranteed to be smoothly conveyed between the main air channel and the branch air channel, and the phenomenon of air backflow caused by negative pressure is avoided.
In other embodiments of the present invention, the number of the concave pits 3 is smaller than the number of the graphite pillars 2, and the opening area of a single concave pit 3 is larger than the cross-sectional area of a single graphite pillar 2.
The beneficial effect of adopting above-mentioned technical scheme is: the more and smaller the graphite columns are, the better the self-lubricating effect is.
In other embodiments of the present invention, the edges at both ends of the copper block 1 itself have chamfers.
The beneficial effect of adopting above-mentioned technical scheme is: : the two ends of the copper block are provided with chamfers, so that the bearing objects are prevented from being scratched by sharp external corner edges at the two ends of the copper block.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a take mould self-lubricating copper billet of air film structure which characterized in that includes:
a copper block;
the upper surface of the copper block is embedded with a plurality of graphite columns;
the copper block comprises a copper block body, a plurality of sunken pits are formed in the upper surface of the copper block body, the space occupied by the sunken pits is in a circular truncated cone shape, the opening area of each sunken pit is larger than the bottom area of the sunken pit, a stepped hole penetrating through the copper block body is formed in the bottom of each sunken pit, and an air outlet hole which is obliquely upward is formed in the side wall of each sunken pit;
and the top edges of adjacent recessed pits are communicated with a longitudinal air guide groove, and the longitudinal air guide groove is also vertically communicated with a transverse air guide groove.
2. The self-lubricating copper block with the air film structure for the mold according to claim 1, wherein: the outer surface of each graphite column is cylindrical, and the height of the top of each graphite column is not lower than the height of the upper surface of the copper block.
3. The self-lubricating copper block with the air film structure for the mold according to claim 1, wherein: the straight line distances from the transverse air guide groove to the two adjacent concave pits are equal, and two ends of the transverse air guide groove are not communicated with the side vertical surfaces of the copper blocks.
4. The self-lubricating copper block with the air film structure for the mold according to claim 1, wherein: the self widths of the longitudinal air guide grooves and the transverse air guide grooves are larger than the self depths.
5. The self-lubricating copper block with the air film structure for the mold according to claim 1, wherein: a main air channel is arranged in the copper block, the extension direction of the main air channel is parallel to the length direction of the copper block, and the main air channel is communicated with the air outlet hole through an air dividing channel; the air distribution passage comprises an oblique air passage and a turning air passage.
6. The self-lubricating copper block with the air film structure for the mold according to claim 5, wherein: each sunken pit is respectively communicated with an oblique air passage and a turning air passage, the connecting line between two air outlet holes in each sunken pit is parallel to the length of the longitudinal air guide groove, and the respective orientation directions of the two air outlet holes in each sunken pit are mirror-symmetrical along the axis of the sunken pit.
7. The self-lubricating copper block with the air film structure for the mold according to claim 6, wherein: the air flow running direction in the oblique air passage and the air flow running direction in the main air passage form an acute included angle; the air flow running direction of the bottom in the turning air passage and the air flow running direction in the main air passage form an acute included angle, and the air flow running direction of the top in the turning air passage and the air flow running direction in the main air passage form an obtuse included angle.
8. The self-lubricating copper block with the air film structure for the mold according to claim 1, wherein: the number of the concave pits is less than that of the graphite columns, and the opening area of each concave pit is larger than the cross section area of each graphite column.
9. The self-lubricating copper block with the air film structure for the mold according to claim 1, wherein: the edges at the two ends of the copper block are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221528102.7U CN217474640U (en) | 2022-06-18 | 2022-06-18 | Take mould self-lubricating copper billet of air film structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221528102.7U CN217474640U (en) | 2022-06-18 | 2022-06-18 | Take mould self-lubricating copper billet of air film structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217474640U true CN217474640U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221528102.7U Active CN217474640U (en) | 2022-06-18 | 2022-06-18 | Take mould self-lubricating copper billet of air film structure |
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| Country | Link |
|---|---|
| CN (1) | CN217474640U (en) |
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2022
- 2022-06-18 CN CN202221528102.7U patent/CN217474640U/en active Active
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