CN110884204B - Long-life bearing bush mould structure - Google Patents
Long-life bearing bush mould structure Download PDFInfo
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- CN110884204B CN110884204B CN201911289831.4A CN201911289831A CN110884204B CN 110884204 B CN110884204 B CN 110884204B CN 201911289831 A CN201911289831 A CN 201911289831A CN 110884204 B CN110884204 B CN 110884204B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
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Abstract
The invention discloses a long-life bearing bush mould structure which comprises a mould body, wherein the mould body is provided with a rear side wall, a front side wall and a connecting wall for connecting the rear side wall and the front side wall, which are opposite, and the front side wall is in an arc surface shape so as to form a first accommodating groove for accommodating a bearing bush with a smaller diameter; the connecting wall is provided with a positioning slot gap, the positioning slot gap is provided with a forward rear slot wall, and the rear slot wall is exposed through grinding processing when the front side wall is worn to a preset position, so that a second accommodating slot for accommodating the bearing bush with a larger diameter is formed. In the invention, a first accommodating groove formed in the die body is used for accommodating a bearing bush with a smaller diameter; when the front side wall of the die body is gradually abraded to the rear groove wall exposing the positioning groove gap, a second accommodating groove for accommodating the bearing bush with the larger diameter can be formed, the recycling of the same die body is facilitated, the service life of the same die body is prolonged, and waste is avoided.
Description
Technical Field
The invention relates to the technical field of bearing bush machining tools, in particular to a bearing bush mould structure with a long service life.
Background
The bearing bush refers to a part of the sliding bearing, which is contacted with the journal, is in the shape of a bush-shaped semi-cylindrical surface, has a smooth surface, and the inner wall of the bearing bush is not suitable for being processed by a grinding method but is processed by a boring method, a diamond boring method, a scraping method or a grinding method because the material for manufacturing the bearing bush is generally soft.
Since the fit dimensions of the plain bearing and the journal are different, the specifications of the bearing shells are different, wherein, for example, bearing shells of the same specification have different diameters, and for the manufacture of such bearing shells, a mold is required to be specially produced for the bearing shells of different diameters. When the die is used, particularly, the side wall for abutting against the bearing bush is easy to wear, and when the die is worn seriously to cause the dimension error of the bearing bush, the die can be directly discarded, so that a large amount of waste is generated; or additive manufacturing repairs, increasing costs.
Disclosure of Invention
The invention mainly aims to provide a bearing bush mould structure with a long service life, and aims to solve the problem that the existing bearing bush mould is wasted after being worn.
In order to achieve the purpose, the long-life bearing bush mould structure provided by the invention comprises a mould body, wherein the mould body is provided with a rear side wall, a front side wall and a connecting wall for connecting the rear side wall and the front side wall, which are opposite to each other, and the front side wall of the mould body is arranged in an arc surface shape so as to form a first accommodating groove for accommodating a bearing bush with a smaller diameter;
the connecting wall is provided with a positioning slot gap, the positioning slot gap is provided with a forward rear slot wall, and the rear slot wall is used for being exposed through grinding when the front side wall of the die body is worn to a preset position so as to form a second accommodating slot for accommodating a bearing bush with a larger diameter.
Optionally, the positioning slot has a slot depth less than or equal to 1/2 of the thickness of the die body in the direction; and/or the presence of a gas in the gas,
the groove width of the positioning groove gap is 1-3 mm.
Optionally, the connecting wall comprises opposing first and second connecting walls;
the positioning slot gaps are arranged at intervals and are respectively arranged on the first connecting wall and the second connecting wall in a staggered manner in the front-back direction.
Optionally, the positioning slot has a front slot wall opposite the rear slot wall;
the long-life bearing bush die structure further comprises a plurality of reinforcing ribs, the reinforcing ribs are arranged at intervals along the length direction of the positioning groove gap, and the reinforcing ribs are connected with the front groove wall and the rear groove wall respectively.
Optionally, the reinforcing rib is arranged obliquely relative to the front groove wall or the rear groove wall.
Optionally, orthographic projections of two adjacent reinforcing ribs on the front groove wall or the rear groove wall are at least partially overlapped.
Optionally, the plurality of reinforcing ribs divide the positioning slot into a plurality of slot sections, and a rear slot wall of each slot section is equidistant from a front side wall of the mold body, wherein:
the groove depths of the plurality of groove gap sections are at least partially arranged differently; and/or the presence of a gas in the gas,
the slot widths of the plurality of slot segments are at least partially arranged differently.
Optionally, the long-life bearing bush die structure further includes a reinforcing filler, and the reinforcing filler is filled in the positioning groove gap;
wherein the reinforcing filler comprises a binder.
Optionally, an indication line is arranged on the connecting wall, and the indication line is used for indicating the preset position.
Optionally, the rear side wall and/or the connecting wall of the mold body are/is provided with a positioning protrusion, and the positioning protrusion is used for concave-convex limiting with a positioning concave portion on the bearing bush machining device.
According to the technical scheme provided by the invention, a first accommodating groove formed in the die body is used for accommodating a bearing bush with a smaller diameter; when the front side wall of the die body is gradually abraded to the rear groove wall exposing the positioning groove gap, a second accommodating groove for accommodating the bearing bush with the larger diameter can be formed, the recycling of the same die body is facilitated, the service life of the same die body is prolonged, and waste is avoided.
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 the structures shown in the drawings without creative efforts.
FIG. 1 is a perspective view of a first embodiment of a long life bushing mold construction according to the present invention;
FIG. 2 is a schematic top view of the mold body of FIG. 1 in the front-to-back direction;
FIG. 3 is a schematic bottom view of the mold body of FIG. 1 in a front-to-back orientation;
fig. 4 is an enlarged schematic view of a second embodiment of fig. 1 at the location of the slot.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Die |
21 | |
| 11 | |
22 | |
| 12 | |
23 | |
| 13 | Connecting |
3 | Reinforcing |
| 131 | First connecting wall | 4 | Reinforcing |
| 132 | Second connecting |
5 | Indicating |
| 2 | Positioning slot | 6 | Positioning projection |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The bearing bush refers to a part of the sliding bearing, which is contacted with the journal, is in the shape of a bush-shaped semi-cylindrical surface, has a smooth surface, and the inner wall of the bearing bush is not suitable for being processed by a grinding method but is processed by a boring method, a diamond boring method, a scraping method or a grinding method because the material for manufacturing the bearing bush is generally soft.
Since the fit dimensions of the plain bearing and the journal are different, the specifications of the bearing shells are different, wherein, for example, bearing shells of the same specification have different diameters, and for the manufacture of such bearing shells, a mold is required to be specially produced for the bearing shells of different diameters. When the die is used, particularly, the side wall for abutting against the bearing bush is easy to wear, and when the die is worn seriously to cause the dimension error of the bearing bush, the die can be directly discarded, so that a large amount of waste is generated; or additive manufacturing repairs, increasing costs.
In view of this, the present invention provides a long-life bearing bush die structure, and fig. 1 to 4 illustrate an embodiment of the long-life bearing bush die structure provided by the present invention.
Referring to fig. 1 to 3, the long-life bearing bush mold structure in the embodiment includes a mold body 100, where the mold body 100 has a rear sidewall 11, a front sidewall 12 and a connecting wall 13 connecting the rear sidewall 11 and the front sidewall 12, and the front sidewall 12 of the mold body 100 is disposed in an arc shape to form a first receiving groove for receiving a bearing bush with a smaller diameter;
the connecting wall 13 is provided with a positioning slot 2, the positioning slot 2 has a forward rear slot wall 21, and the rear slot wall 21 is configured to be exposed by grinding when the front side wall 12 of the mold body 100 is worn to a preset position, so as to form a second receiving slot for placing a bearing bush with a larger diameter.
In the technical scheme provided by the invention, the first accommodating groove formed in the die body 100 is used for accommodating the bearing bush with the smaller diameter; when the front side wall 12 of the mold body 100 is gradually worn to the rear groove wall 21 exposing the positioning groove gap 2, the second accommodating groove for accommodating the bearing bush with the larger diameter can be formed, which is beneficial to realizing the recycling of the same mold body 100, thereby prolonging the service life of the same mold body 100 and avoiding waste.
It should be noted that, this design is not limited to the overall shape of the mold body 100, the mold body 100 may be disposed in a ring shape or a semi-ring shape, wherein, when the mold body 100 is in a ring shape, the mold body 100 may include two mold units fastened to each other, and each of the two mold units is disposed in a semi-ring shape, which is more convenient for alignment and installation. For the sake of easy understanding, the mold body 100 is illustrated as a semi-ring shape; in addition, the design also does not limit the specific application of the mold body 100, that is, the specific processing manner of the bearing bush and the specific expression form of the bearing bush processing device, and any mold which is worn during use and causes the processing precision of the bearing bush to be reduced can be used as the mold body 100, and a detailed description thereof is omitted here.
In addition, the front and rear directions in the present design do not limit the actual mounting orientation of the mold body 100, and are only used to represent the relative positional relationship between the mold body 100 and other members related to the mold body 100. When a plurality of bearing bushes of the same specification are sequentially arranged according to the order of the diameters from small to large, every two adjacent bearing bushes comprise a bearing bush with a smaller diameter and a bearing bush with a larger diameter, and therefore, in the present embodiment, the arc surface shape of the front side wall 12 of the mold body 100 is adapted to the outer wall surface shape of the bearing bush with the smaller diameter; similarly, the rear groove wall 21 of the positioning groove gap 2 can be arranged in an arc surface shape, and the arc surface shape of the rear groove wall 21 is matched with the shape of the outer wall surface of the bearing bush with the larger diameter. Preferably, the front sidewall 12 of the mold body 100 and the rear groove wall 21 of the positioning slot 2 in this embodiment are concentric arcs, and have the same center.
Of course, the specific shape of the mold body 100 is not limited in this design, and therefore, the connecting wall 13 is not limited to be a straight surface, and in other possible embodiments, the connecting wall 13 may also be a curved surface or a composite straight surface formed by bending a straight surface in multiple directions; for convenience of understanding, in this embodiment, the mold body 100 may be arranged in a rectangular shape, an arc through groove is formed in one side wall of the mold body 100, an inner groove wall of the arc through groove forms the front side wall 12 of the mold body 100, a side wall surface of the mold body 100 facing away from the front side wall 12 forms the rear side wall 11, and the remaining four side wall surfaces of the mold body 100 and the remaining wall surface of the side where the arc through groove is located may form the connecting wall 13. The positioning slot 2 can be provided in any of the connecting walls 13.
Further, in the present embodiment, the groove depth of the positioning groove gap 2 is less than or equal to 1/2 of the thickness of the die body 100 in the direction. Specifically, if the connecting wall 13, which is defined on the mold body 100 and is provided with the positioning slot 2, is the first connecting wall 131, and the connecting wall 13, which is opposite to the first connecting wall 131, on the mold body 100 is the second connecting wall 132, then the depth of the positioning slot 2 is set to be not more than the distance between the first connecting wall 131 and the second connecting wall 132, so as to ensure the overall strength of the mold body 100, and avoid the problem that the positioning slot 2 penetrates through the first connecting wall 131 and the second connecting wall 132, which causes the strength of the mold body 100 to be insufficient, so that the front side wall 12 of the mold body 100 deforms due to a force, the radius gradually increases, and the dimensional error of the smaller-diameter bearing bush increases in the use process.
And/or in the embodiment, the groove width of the positioning groove gap 2 is set to be 1-3 mm optionally. The groove width of the positioning groove gap 2 refers to the width of the positioning groove gap 2 in the front-back direction. In practical application, if the groove width of the positioning groove gap 2 is set to be smaller, the positioning groove gap 2 has smaller influence on the strength of the die body 100, but is not easy to be visually checked by an operator, so that the die body 100 is worn to be close to the positioning groove gap 2 and is not known, and the indicating function of the positioning groove gap 2 is weakened; on the contrary, if the groove width of the positioning groove gap 2 is set to be larger, the positioning groove gap 2 has a larger influence on the strength of the mold body 100, which easily increases the machining error of the bearing bush and also easily causes the mold body 100 to be disconnected from the positioning groove gap 2.
Next, the positioning slot 2 may be provided in one or more, and when the positioning slot 2 is provided in plural, plural positioning slots 2 may be uniformly provided on the same connecting wall 13, but in order to equalize and disperse the strength influence of the positioning slot 2 on the mold body 100, please refer to fig. 2 and fig. 3, in this embodiment, the connecting wall 13 includes a first connecting wall 131 and a second connecting wall 132 which are opposite to each other; the positioning slots 2 are provided at intervals, and the positioning slots 2 are respectively formed on the first connecting wall 131 and the second connecting wall 132 in a staggered manner in the front-back direction. Taking the example of providing four positioning slots 2, the four positioning slots 2 are sequentially arranged from small to large in diameter to form a first positioning slot, a second positioning slot, a third positioning slot and a fourth positioning slot, wherein the radius of the rear slot wall 21 of the first positioning slot is R1, the radius of the rear slot wall 21 of the second positioning slot is R2, the radius of the rear slot wall 21 of the third positioning slot is R3 and the radius of the rear slot wall 21 of the fourth positioning slot is R4, then R1 < R2 < R3 < R4; at this time, the first positioning slot and the third positioning slot may be opened on the second connection wall 132, and the second positioning slot and the fourth positioning slot may be opened on the first connection wall 131.
When the die is used, the bearing bushes with the same specification are defined and named as a minimum-diameter bearing bush, a first bearing bush, a second bearing bush, a third bearing bush and a fourth bearing bush in sequence from small to large in diameter, wherein the front side wall 12 of the die body 100 forms a first accommodating groove for mounting the minimum-diameter bearing bush; when the front side wall 12 of the mold body 100 is worn to the preset position, and the rear groove wall 21 of the first positioning groove gap is exposed through grinding, for the front side wall 12 of the mold body 100, the rear groove wall 21 of the first positioning groove gap constitutes the second accommodating groove, but for the second positioning groove gap, the first positioning groove gap constitutes another first accommodating groove at this time, and the first accommodating grooves are all used for mounting the first bearing bush; and the subsequent setting of the second positioning slot, the third positioning slot and the fourth positioning slot is analogized in sequence, so that the rear slot wall 21 of the second positioning slot is used for mounting the second bearing shoe, the rear slot wall 21 of the third positioning slot is used for mounting the third bearing shoe, and the rear slot wall 21 of the fourth positioning slot is used for mounting the fourth bearing shoe. The other number of the positioning slots 2 are arranged in the same way as described above, and are not described in detail here.
In the present embodiment, the positioning slot 2 has a front slot wall 22 opposite to the rear slot wall 21; the long-life bearing bush die structure further comprises a plurality of reinforcing ribs 3, the reinforcing ribs 3 are arranged at intervals along the length direction of the positioning slot gaps 2, and the reinforcing ribs 3 are respectively connected with the front slot wall 22 and the rear slot wall 21. In view of the above, the positioning slot 2 may be continuously arranged along the length direction thereof, and at this time, the plurality of reinforcing ribs 3 may be arranged at intervals in the positioning slot 2 to support the front slot wall 22 and the rear slot wall 21 of the positioning slot 2, so as to prevent the two from deforming and approaching due to stress; moreover, the material of the reinforcing rib 3 may be the same as the material of the mold body 100, or may be different from the material of the mold body 100; or, the positioning slot 2 may be provided intermittently along the length direction thereof, and at this time, the partition structure between two adjacent positioning slot 2 constitutes the reinforcing rib 3.
Further, in the present embodiment, the specific size of the reinforcing rib 3 may be adjusted according to the actual application, but it is preferable that the reinforcing rib 3 is disposed to be inclined with respect to the front groove wall 22 or the rear groove wall 21. Since the front groove wall 22 and the rear groove wall 21 of the same positioning slot 2 are concentric arc sections, the extension tendencies of the front groove wall 22 and the rear groove wall are basically the same, taking the front groove wall 22 as an example, the reinforcing rib 3 is obliquely arranged relative to the front groove wall 22, and the specific oblique direction is not limited, so that the arrangement length and the action region range of the reinforcing rib 3 are prolonged within the limited groove width, and the reinforcing effect of the reinforcing rib 3 on the strength of the positioning slot 2 is further optimized.
Further, referring to fig. 4, in another embodiment, orthographic projections of two adjacent reinforcing ribs 3 on the front slot wall 22 or the rear slot wall 21 at least partially overlap. The arrangement is such that at least one reinforcing rib 3 is arranged on each equivalent diameter line of the positioning slot 2, thereby contributing to the enhancement of the overall strength of the die body 100.
In addition, in the present embodiment, the plurality of reinforcing ribs 3 partition the positioning slot 2 into a plurality of slot segments 23, and the rear slot wall 21 of each slot segment 23 is disposed at an equal distance from the front side wall 12 of the mold body 100, wherein the slot depths of the slot segments 23 are at least partially different, that is, the slot bottoms of the slot segments 23 are not on the same horizontal line, so as to avoid concentrated damage to the strength of the mold body 100 on the same horizontal line; and/or the groove widths of the plurality of groove gap sections 23 are at least partially arranged differently, that is, the front groove walls 22 of the plurality of groove gap sections 23 are not located on the same concentric arc section, so as to avoid centralized damage to the strength of the mold body 100 on the same concentric arc section.
Of course, in this embodiment, the long-life bearing bush die structure further includes a reinforcing filler 4, and the reinforcing filler 4 is filled in the positioning slot 2; wherein the reinforcing filler 4 comprises a binder. After the positioning slot 2 is opened by, for example, a drilling tool or other tools, an adhesive such as glue can be continuously filled in the positioning slot 2, the adhesive can fill the gap of the mold body 100 at the positioning slot 2 and can also connect the front slot wall 22 and the rear slot wall 21 of the positioning slot 2, so that the effect of the reinforcing rib 3 is achieved, and the adhesive can effectively reduce the vibration impact and improve the use strength of the mold body 100. In this embodiment, in order to ensure the overall strength of the die body 100, the die body 100 may be made of an alloy material, and in this case, the binder removal process is simpler than the wear operation of the alloy material, which helps to simplify the manufacturing process of the die body 100.
In view of the above, the mold body 100 is provided with a predetermined position at the rear of each positioning slot 2 and the front sidewall 12. Taking the preset position of the front side wall 12 as an example, the specific determination of the preset position is related to the size deviation of the bearing bush with the smaller diameter, so that when the die body 100 is not worn to the preset position, the sizes of the bearing bushes with the smaller diameter obtained by processing all meet the specification; however, when the die body 100 is worn to the preset position, it means that the current die body 100 is not suitable for continuously processing the bearing shell with the smaller diameter, and can be used for processing the bearing shell with the larger diameter. In this embodiment, an indication line 5 is disposed on the connecting wall 13, and the indication line 5 is used for indicating the preset position. The indication line 5 can be a shallow-depth scribed line, or a handwriting drawn by a color-displaying pen, or a marking line stuck by a colored adhesive tape, etc.; each indication line 5 can be marked by numbers or special marks for distinguishing; of course, each of the positioning slots 2 may also be marked with numbers or special marks to indicate the size of the positioning slot 2 corresponding to the machined bearing bush. So set up, make mould body 100 is right the manufacturing of axle bush is more accurate, and the operating personnel of being convenient for observes, helps improving the operating efficiency.
In addition, in the present embodiment, the rear side wall 11 and/or the connecting wall 13 of the mold body 100 are provided with positioning protrusions 6, and the positioning protrusions 6 are used for being limited by the positioning concave portions on the bearing bush machining device. The positioning protrusions 6 on the same wall surface can be arranged into at least three different collinear positioning protrusions, so that the limiting is more stable. After the mold body 100 is accurately positioned on the bearing bush machining device, not only is the machining dimension of the bearing bush more accurate, but also the wear degree of the mold body 100 is basically equivalent, thereby avoiding the service life of each second accommodating groove due to inconsistent wear degree.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A long-life bearing bush mould structure is characterized by comprising a mould body, wherein the mould body is provided with a rear side wall, a front side wall and a connecting wall for connecting the rear side wall and the front side wall, which are opposite to each other, and the front side wall of the mould body is arranged in an arc surface shape so as to form a first accommodating groove for accommodating a bearing bush with a smaller diameter;
the connecting wall is provided with a positioning slot gap, the positioning slot gap is provided with a forward rear slot wall, and the rear slot wall is used for being exposed through grinding when the front side wall of the die body is worn to a preset position so as to form a second accommodating slot for accommodating a bearing bush with a larger diameter.
2. The long life bearing shell mold structure of claim 1, wherein a groove depth of said positioning groove gap is less than or equal to 1/2 of a thickness of said mold body in a direction thereof; and/or the presence of a gas in the gas,
the width of the positioning slot gap along the front-back direction is 1-3 mm.
3. The long life bearing shell mold structure of claim 1, wherein said connecting walls comprise opposing first and second connecting walls;
the positioning slot gaps are arranged at intervals and are respectively arranged on the first connecting wall and the second connecting wall in a staggered manner in the front-back direction.
4. The long life bearing shell mold structure of claim 1, wherein said locating slot has a front slot wall opposite said rear slot wall;
the long-life bearing bush die structure further comprises a plurality of reinforcing ribs, the reinforcing ribs are arranged at intervals along the length direction of the positioning groove gap, and the reinforcing ribs are connected with the front groove wall and the rear groove wall respectively.
5. The long life bearing shell mold structure of claim 4, wherein said ribs are disposed obliquely with respect to said front groove wall or said rear groove wall.
6. The long life bearing shell mold structure of claim 5, wherein orthographic projections of adjacent two of said ribs on said front or rear groove walls at least partially overlap.
7. The long life bearing shell mold structure of claim 4, wherein said plurality of ribs divide said locating slot into a plurality of slot sections, a rear slot wall of each of said slot sections being disposed equidistant from a front sidewall of said mold body, wherein:
the groove depths of the plurality of groove gap sections are at least partially arranged differently; and/or the presence of a gas in the gas,
the slot widths of the plurality of slot segments are at least partially arranged differently.
8. The long life bearing shell mold structure of claim 1, further comprising a reinforcing filler filled in said locating groove;
wherein the reinforcing filler comprises a binder.
9. The long life bearing shell mold structure as recited in claim 1, wherein said connecting wall is provided with an indication line for indicating said predetermined position.
10. The long-life bearing shell mold structure of claim 1, wherein the rear side wall and/or the connecting wall of the mold body is provided with a positioning protrusion for concave-convex limiting with a positioning concave portion on the bearing shell machining device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289831.4A CN110884204B (en) | 2019-12-13 | 2019-12-13 | Long-life bearing bush mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289831.4A CN110884204B (en) | 2019-12-13 | 2019-12-13 | Long-life bearing bush mould structure |
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| Publication Number | Publication Date |
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| CN110884204A CN110884204A (en) | 2020-03-17 |
| CN110884204B true CN110884204B (en) | 2022-01-07 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140053609A1 (en) * | 2011-02-21 | 2014-02-27 | Grail Inventions (Pty) Ltd | Mould assembly |
| CN202317772U (en) * | 2011-11-24 | 2012-07-11 | 广东韶配动力机械有限公司 | Fine boring mould used for machining bearing bush |
| CN202367062U (en) * | 2011-12-16 | 2012-08-08 | 恩比贝克飞虹汽车零部件(四川)有限公司 | Novel forming female die for flat bearing bush |
| CN203228427U (en) * | 2013-01-21 | 2013-10-09 | 林智勇 | Moulded combined paper roll mould |
| CN103538180B (en) * | 2013-10-24 | 2015-09-16 | 山东豪迈机械科技股份有限公司 | The restorative procedure of aluminum tire-mold wearing and tearing |
| CN107695729A (en) * | 2017-11-07 | 2018-02-16 | 米巴精密零部件（中国）有限公司 | A kind of bearing shell boring die for processing |
| CN208866259U (en) * | 2018-09-06 | 2019-05-17 | 广东韶配动力机械有限公司 | A kind of edge shoulder bearing shell is riveted mold |
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