CN204018493U - A kind of blanking die of needle bearing cage - Google Patents
A kind of blanking die of needle bearing cage Download PDFInfo
- Publication number
- CN204018493U CN204018493U CN201420403016.2U CN201420403016U CN204018493U CN 204018493 U CN204018493 U CN 204018493U CN 201420403016 U CN201420403016 U CN 201420403016U CN 204018493 U CN204018493 U CN 204018493U
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- China
- Prior art keywords
- retainer
- shape
- die
- window beam
- upper cutter
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Abstract
A kind of blanking die of needle bearing cage, comprise die and punch, described punch has the upper cutter that area is less than the window shape of described retainer, and the centre position of described upper cutter offers on the groove shape window beam that shape is consistent with the window beam shape of described retainer and cuts portion; On described groove shape window beam, cut portion position, described upper cutter forms two mirror area that shape is consistent; Described die comprises columned for being set with the bare terminal end of described retainer, and the axial outer wall of described bare terminal end has the poroid lower cutter corresponding with the upper cutter shape of described punch; The centre position of described lower cutter comprises under the strip window beam consistent with the window beam shape of described retainer and cuts portion, cuts portion's extending axially along described die under described strip window beam.Utilize blanking die herein, can avoid the welding quality hidden danger of traditional welding retainer, also avoided in addition the weakness of punching retainer torsional deformation.
Description
Technical field
The utility model relates to needle bearing field, relates in particular to a kind of blanking die of needle bearing cage.
Background technology
In a lot of places of engineering machinery and heavy-duty car field, need to use needle bearing or roller bearing, for example, in Medium or severe type automobile gearbox, each gear all has the application of needle bearing.Along with the development of hydraulic pump industry, the output pressure of high-pressure gear pump has reached 35MP, more and more higher to the requirement of loading ability of bearing, and a current hole single needle bearing is faced with very large poverty-stricken condition, cannot support the instructions for use of high-pressure gear pump.The appearance (as shown in Figure 1) of one hole crosspointer bearing, due to the raising of bearing load carrying capacity, has solved the demand of high-pressure gear pump completely.The purl mode of the retainer of one hole crosspointer bearing is two ends purl, and the window beam of locating of purl mouth, perpendicular to retainer end face, with the axially parallel of bearing, can effectively guide needle roller smooth rotation.In the prior art, a hole crosspointer retainer, most of employing rolled up circle welding procedure, but but there is hidden danger in the welding quality of retainer, occurs the phenomenon of more retainer cracking.Another conventional mode is straight barrel type punching, but the retainer distortion that is easily distorted in punch process produces hidden danger of quality.
Utility model content
In view of this, technical problem to be solved in the utility model is the manufacturing process of a hole crosspointer retainer, makes retainer easily occur the problem of hidden danger of quality.The purpose of this utility model is to provide a kind of blanking die of needle bearing cage.For there is to a basic understanding some aspects of the embodiment disclosing, provided simple summary below.This summary part is not to comment general, neither determine key/critical component or describe the protection domain of these embodiment.Its sole purpose is to present some concepts by simple form, usings this preamble as following detailed description.
In some optional embodiments, the blanking die of described needle bearing cage comprises:
Die and punch, described punch has the upper cutter that area is less than the window shape of described retainer, and the centre position of described upper cutter offers on the groove shape window beam that shape is consistent with the window beam shape of described retainer and cuts portion; On described groove shape window beam, cut portion position, described upper cutter forms two mirror area that shape is consistent;
Described die comprises columned for being set with the bare terminal end of described retainer, and the axial outer wall of described bare terminal end has the poroid lower cutter corresponding with the upper cutter shape of described punch; The centre position of described lower cutter comprises under the strip window beam consistent with the window beam shape of described retainer and cuts portion, cuts portion's extending axially along described die under described strip window beam.
Adopt above-described embodiment, can reach following effect:
A kind of blanking die that can directly process straight barrel type workpiece is provided, can directly obtain the fenestra on window beam and both sides, because straight barrel type workpiece is that steel pipe car system or sheet metal stretching form, therefore avoided the welding quality hidden danger of traditional welding retainer, this mode has also been avoided the weakness of punching retainer torsional deformation in addition.
For above-mentioned and relevant object, one or more embodiment comprise below by the feature that describes in detail and particularly point out in the claims.Explanation below and accompanying drawing describe some illustrative aspects in detail, and its indication is only some modes in the utilizable variety of way of principle of each embodiment.Other benefit and novel features consider the detailed description along with below by reference to the accompanying drawings and become obviously, and the disclosed embodiments are to comprise being equal to of all these aspects and they.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of prior art one hole crosspointer bearing;
Fig. 2 is the structural representation of the retainer of prior art one hole crosspointer bearing;
Fig. 3 is the structural representation of blanking die in certain embodiments of the present utility model;
Fig. 4 is the side view of punch in certain embodiments of the present utility model;
Fig. 5 is the enlarged diagram of the upper cutter of punch in certain embodiments of the present utility model;
Fig. 6 is the bottom view of punch in certain embodiments of the present utility model;
Fig. 7 is the side view of die in certain embodiments of the present utility model;
Fig. 8 is the top view of the upper cutter of die in certain embodiments of the present utility model.
The specific embodiment
The following description and drawings illustrate specific embodiments of the present utility model fully, to enable those skilled in the art to put into practice them.Other embodiments can comprise structure, logic, electric, process and other change.Embodiment only represents possible variation.Unless explicitly requested, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The scope of embodiment of the present utility model comprises the gamut of claims, and all obtainable equivalent of claims.In this article, these embodiments of the present utility model can be represented with term " utility model " individually or always, this is only used to conveniently, and if in fact disclose the utility model that surpasses, not that the scope that will automatically limit this application is any single utility model or utility model design.
As shown in Figure 1, a hole crosspointer bearing comprises outer ring 1, retainer 2 and needle roller 3; Retainer 2 packs into behind outer ring 1, and needle roller 3 packs the fenestra of retainer 2 into, and each retainer 2 fenestra packs 2 needle rollers 3 into, and after packing into, needle roller 3 can freedom and flexibility rotate.Retainer 2 purl points are two ends, and while packing needle roller 3 into, the magnitude of interference can not be excessive, in order to avoid cause retainer 2 assembly deflections.With reference to Fig. 2, be the outline drawing of retainer 2,4 is the two ends purl point of retainer 2.
As shown in Fig. 3～Fig. 8, the structural representation of blanking die in certain embodiments of the present utility model;
In some illustrative embodiment, the blanking die of described needle bearing cage, comprise die 5 and punch 6, described punch 6 has the upper cutter 7 that area is less than the window shape of described retainer, the area of upper cutter 7, while being described punch 6 stamping-out, crush-cutting straight barrel type workpiece is (for the manufacture of retainer 2, for example: the material of steel pipe car system is 20 seamless steel pipes, or, sheet metal stretching for ST16 cold-rolled primes etc.) the area of outer wall be to be less than after moulding the area of window shape on retainer 2; In this punch 6, in the centre position of described upper cutter 7, offer on the groove shape window beam that shape is consistent with the window beam shape of described retainer and cut portion 8, on described groove shape window beam, cut the both sides of 8 positions, described upper cutter 7 forms two mirror area that shape is consistent; Each mirror area is equivalent to half of window on retainer 2, so that during upper cutter 7 stamping-out, two consistent mirror area of shape cut out two fenestras on workpiece, the sizableness of each fenestra is in half of described retainer 2 windows, and cut portion 8 because upper cutter 7 has on groove shape window beam, therefore between two fenestras, formed the window beam of retainer 2;
Because the lower cutter 9 of die 5 and the upper cutter 7 of punch 6 need matched in clearance in stamping-out process, so the upper cutter 7 of die 5 need to be according to the shape relative set of the lower cutter 9 of punch 6; As shown in Figure 3, described die 5 comprises columned for being set with the bare terminal end 10 of described retainer 2, and the axial outer wall of described bare terminal end 10 has the poroid lower cutter 9 corresponding with upper cutter 7 shapes of described punch 6; The centre position of described lower cutter 9 comprises under the strip window beam consistent with the window beam shape of described retainer and cuts portion 11, cuts 11 extending axially along described die 5 under described strip window beam; As can be seen from Figure 3, workpiece is sleeved on die 5 after stamping-out, and two fenestras of formation are along the parallel distribution of circumference of retainer 2;
In some illustrative embodiment, forming dough into noodles in the mirror area of the described upper cutter 7 of described punch 6 adopts concave arc 13 shapes that equate with described retainer 2 radians, the described retainer 2 so that described upper cutter 7 can better be fitted when stamping-out, reaches good stamping-out effect;
In some illustrative embodiment, as shown in Figure 5 and Figure 6, on the forming dough into noodles of mirror area described in each of described punch 6 near the position that cuts portion 8 on described groove shape window beam, be provided for respectively described retainer 2 to carry out the first platform 12 of shaping correction, described the first platform 12 is connected with one end of described circular arc 13 away from the one end that cuts portion 8 on described groove shape window beam; The object that described the first platform 12 is here set is in order to fall stamping-out in a flash when punch 6, first by other position, carry out stamping-out, retainer 2 has the space of distortion, and then, by described the first platform 12 compactings, is equivalent to then retainer 2 be carried out to shaping correction;
In some illustrative embodiment, on the forming dough into noodles of mirror area described in each of described punch 6 near the described upper cutter position of relative sidewall along its length, the second platform 14 is set respectively, as shown in Figure 5, inside one end of described the second platform is connected with described circular arc 13, being equivalent to described forming dough into noodles is by circular arc 13, the first platform 12 and the second platform 13 form, wherein said circular arc 13 has been clipped in middle by the first platform 12 and the second platform 13, the setting of described the second platform 14 is reserved for preventing that retainer 2 from rising outward, can effectively prevent the swell distortion that retainer 2 causes in stamping-out process,
In some illustrative embodiment, on the described bare terminal end 10 of described die 5, be provided with the clamping bar 15 for fixing described retainer 2; As shown in Figure 3, along the circumference of described bare terminal end 10, be provided with clamping bar 15, while being set on described bare terminal end 10 for the workpiece when for the manufacture of retainer 2, one end of described workpiece is connected and fixed by described clamping bar 15;
In actual application, the other end of the described straight barrel type workpiece for the manufacture of retainer 2 relies on top withstanding, and along with its rotation of programme-control of single board computer, according to 360 degree, divides equally fenestra umber, and stamping-out back-window arerture comparison of coherence is good;
In some illustrative embodiment, bottom at the lower cutter 8 of described die 5 arranges material stock space, the waste material that the upper cutter 7 that makes described punch 6 produces when stamping-out is downwards stored in this material stock space, needed space while not affecting after workpiece rotation next stamping-out; In the design of this die 5, the degree of depth of described lower cutter 9 actual stamping-outs is less than lower cutter 9 to the space of downward-extension, described lower cutter 9 unnecessary space below, and material stock space is for storing waste material;
In some illustrative embodiment, as shown in Figure 3, on the radial end face of the described bare terminal end 10 of described die 5, offer discharging opening 16, described discharging opening 16 communicates with described material stock space, for the discharge of waste material;
In some illustrative embodiment, described die 5 also comprises the holder 17 being axially connected with described bare terminal end 10, on radial end face at described holder 17 away from described bare terminal end 10, offer discharge gate 18, described discharge gate 18 communicates with described material stock space, the design of described discharge gate 18 is also for the ease of discharging waste material, for example can, after stamping-out finishes, utilize instrument by this discharge gate 18, waste material to be disclosed; Optionally, as shown in Figure 5, be also provided with for fixing the blind hole 19 of this holder 17 on the radial end face of described holder 17, in this programme, the structure of holder 17 does not limit;
In some illustrative embodiment, the degree of depth that cuts portion 8 on described groove shape window beam is greater than 6mm and is less than 12mm;
In some illustrative embodiment, a plurality of corresponding lower cutters can be set on die 5, while there is the problems such as wearing and tearing when certain lower cutter, can select other lower cutter to carry out stamping-out; As the lower cutter 9 at die 5, along the relative position of circumference, be also provided with another lower cutter, in the process of using in reality, when utilizing lower cutter 9 to carry out stamping-out, can first described another lower cutter be blocked, so that waste material mouthful do not spill from cutting of this lower cutter, and accumulate in material stock space.
Adopt above-described embodiment, can reach following effect:
A kind of blanking die that can directly process straight barrel type workpiece is provided, can directly obtain the fenestra on window beam and both sides, because straight barrel type workpiece is that steel pipe car system or sheet metal stretching form, therefore avoided the welding quality hidden danger of traditional welding retainer, this mode has also been avoided the weakness of punching retainer torsional deformation in addition; In addition, by blanking die, directly straight barrel type workpiece is processed, more time saving and energy saving than traditional handicraft.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the blanking die of a needle bearing cage, comprise die and punch, it is characterized in that, described punch has the upper cutter that area is less than the window shape of described retainer, and the centre position of described upper cutter offers on the groove shape window beam that shape is consistent with the window beam shape of described retainer and cuts portion; On described groove shape window beam, cut portion position, described upper cutter forms two mirror area that shape is consistent;
Described die comprises columned for being set with the bare terminal end of described retainer, and the axial outer wall of described bare terminal end has the poroid lower cutter corresponding with the upper cutter shape of described punch; The centre position of described lower cutter comprises under the strip window beam consistent with the window beam shape of described retainer and cuts portion, cuts portion's extending axially along described die under described strip window beam.
2. blanking die as claimed in claim 1, is characterized in that, at the forming dough into noodles of the mirror area of described upper cutter, adopts the concave arc shape equating with described retainer radian.
3. blanking die as claimed in claim 2, it is characterized in that, described in each, on the forming dough into noodles of mirror area, on close described groove shape window beam, cut the position of portion, be provided for respectively described retainer to carry out the first platform of shaping correction, described the first platform is away from cutting one end of portion on described groove shape window beam and one end of described circular arc is connected.
4. blanking die as claimed in claim 2 or claim 3, it is characterized in that, described in each on forming dough into noodles of mirror area near the described upper cutter position of relative sidewall along its length, the second platform is set respectively, the swell distortion that described the second platform causes in stamping-out process for preventing described retainer.
5. blanking die as claimed in claim 1, is characterized in that, is provided with the clamping bar for fixing described retainer on described bare terminal end.
6. the blanking die as described in claim 1 or 2 or 3 or 5, is characterized in that, in the bottom of the lower cutter of described die, material stock space is set.
7. blanking die as claimed in claim 6, is characterized in that, on the radial end face of the described bare terminal end of described die, offers discharging opening, and described discharging opening communicates with described material stock space.
8. blanking die as claimed in claim 7; it is characterized in that; described die also comprises the holder being axially connected with described bare terminal end, on the radial end face at described holder away from described bare terminal end, offers discharge gate, and described discharge gate communicates with described material stock space.
9. blanking die as claimed in claim 8, is characterized in that, the degree of depth that cuts portion on described groove shape window beam is greater than 6mm and is less than 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403016.2U CN204018493U (en) | 2014-07-21 | 2014-07-21 | A kind of blanking die of needle bearing cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403016.2U CN204018493U (en) | 2014-07-21 | 2014-07-21 | A kind of blanking die of needle bearing cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018493U true CN204018493U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403016.2U Withdrawn - After Issue CN204018493U (en) | 2014-07-21 | 2014-07-21 | A kind of blanking die of needle bearing cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204018493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084477A (en) * | 2014-07-21 | 2014-10-08 | 济宁精益轴承有限公司 | Blanking die of needle bearing cage |
-
2014
- 2014-07-21 CN CN201420403016.2U patent/CN204018493U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084477A (en) * | 2014-07-21 | 2014-10-08 | 济宁精益轴承有限公司 | Blanking die of needle bearing cage |
| CN104084477B (en) * | 2014-07-21 | 2016-08-24 | 济宁精益轴承有限公司 | A kind of blanking die of needle bearing cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |