CN108326184B - A kind of elastomer pressure ball nest device of miniature bearing crown cage - Google Patents
A kind of elastomer pressure ball nest device of miniature bearing crown cage Download PDFInfo
- Publication number
- CN108326184B CN108326184B CN201711443016.XA CN201711443016A CN108326184B CN 108326184 B CN108326184 B CN 108326184B CN 201711443016 A CN201711443016 A CN 201711443016A CN 108326184 B CN108326184 B CN 108326184B
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- CN
- China
- Prior art keywords
- cavity plate
- stem
- retainer
- scapus
- placement section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 17
- 239000000806 elastomer Substances 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000003032 molecular docking Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
- B21D53/12—Making other particular articles parts of bearings; sleeves; valve seats or the like cages for bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/01—Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of elastomer pressure ball nest devices of miniature bearing crown cage, including pedestal, stem, cavity plate, elastic scapus and punch-pin pressure head, stem is made of the small diameter portion and large-diameter portion of integrally connected, cavity plate includes the cavity plate ontology of two docking, axial central through hole is formed after docking, central through hole from top to bottom includes retainer placement section, elastic scapus placement section and stem clamping part, quantity and position extruded hole corresponding with ball-and-socket on retainer to be processed is distributed in the inner wall that cavity plate is located at retainer placement section, the upper surface of pedestal is provided with blind hole, diameter of blind hole and the outer diameter of cavity plate are mutually suitable for, the surface of cavity plate is arranged in punch-pin pressure head, and it is sequentially connected with press machine.Pressure ball nest device of the invention substitutes conventional rigid punch-pin with elastomer, reduces mold manufacture difficulty, improves the uniformity of pressure ball nest, machining accuracy is higher.
Description
Technical field
The present invention relates to bearing retainer technical field of processing equipment, and in particular to a kind of miniature bearing crown cage
Elastomer pressure ball nest device.
Background technique
Miniature bearing inner space is narrow, and currently used pressing cage has crown and two kinds of shape wave, keeps with shape wave
Frame is compared, and crown cage has compact-sized, saves material, and production process is few, easy to assembly, deform it is small, it is easy to clean,
Be conducive to improve the dynamic performance indicators such as bearing rotary flexibility.Therefore, crown cage in miniature bearing application increasingly
Extensively.Crown cage applied to miniature bearing generallys use automatic stamping and forms, the technological process of production of crown cage
Are as follows: blank shapes, cuts bottom, pressure ball nest, wherein most unmanageable is pressure ball work holdup sequence, Fig. 1,2 show it is crown before and after pressure ball nest
Retainer workpiece schematic diagram.Currently, crown cage diameter minimum ruler is less than 3mm, ball-and-socket minimum diameter is less than 1mm, ball-and-socket
Dimensional accuracy has larger impact to the flexibility of revolution and moment of friction of bearing, and since size is small, required precision is high, mold manufacture
Processing difficulties are extremely difficult to promising result using traditional die structure.
Summary of the invention
The purpose of the present invention is in order to solve the above technical problems, providing a kind of elastomer of miniature bearing crown cage
Pressure ball nest device substitutes conventional rigid punch-pin with elastomer, reduces mold manufacture difficulty, improve the uniformity of pressure ball nest,
Machining accuracy is higher.
The present invention is in order to solve the above technical problems, provided technical solution is: a kind of miniature bearing crown cage
Elastomer pressure ball nest device, including pedestal, stem, cavity plate, elastic scapus and punch-pin pressure head, the stem is by integrally connected
Small diameter portion and large-diameter portion composition, small diameter portion is located at large-diameter portion top and the two is coaxially connected, and the cavity plate includes two and is docked at
Cavity plate ontology together, forms axial central through hole after two cavity plate ontology docking, central through hole from top to bottom includes keeping
Frame placement section, elastic scapus placement section and stem clamping part, the outer diameter of the internal diameter of retainer placement section and retainer to be processed
It is mutually suitable for that the internal diameter of elastic scapus placement section is less than the internal diameter of retainer placement section, and is mutually suitable for the small diameter portion diameter of stem,
The internal diameter of stem clamping part and the large-diameter portion diameter of stem are mutually suitable for that the inner wall that the cavity plate is located at retainer placement section is distributed with
Quantity and position extruded hole corresponding with ball-and-socket on retainer to be processed, the upper surface of the pedestal is provided with blind hole, blind
The diameter in hole and the outer diameter of cavity plate are mutually suitable for that the surface of cavity plate is arranged in punch-pin pressure head, and is sequentially connected with press machine.
As a kind of advanced optimizing for elastomer pressure ball nest device of miniature bearing crown cage of the invention: described
The material of elastic scapus is polyurethane.
Beneficial effect
Pressure ball nest device of the invention is easy to process, and product size precision is high, substitutes conventional rigid punch-pin, drop with elastomer
Low mold manufacture difficulty, improves the uniformity of pressure ball nest, meets miniature bearing flexibility of revolution and moment of friction requirement,
It is suitable for mass production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of retainer before pressure ball nest；
Fig. 2 is the structural schematic diagram of retainer after pressure ball nest；
Fig. 3 is the structural schematic diagram of pressure ball nest device use state of the present invention；
Fig. 4 is the structural schematic diagram of the stem of pressure ball nest device of the present invention；
Fig. 5 is the structural schematic diagram of the cavity plate of pressure ball nest device of the present invention；
Marked in the figure: 1, pedestal, 2, stem, 3, cavity plate, 4, elastic scapus, 5, punch-pin pressure head, 6, retainer, 201, path
Portion, 202, large-diameter portion, 301, retainer placement section, 302, elastic scapus placement section, 303, stem clamping part, 304, extruded hole.
Specific embodiment
With reference to the accompanying drawing and the preferred embodiment specific embodiment that the present invention will be described in detail.
Embodiment 1
It is as shown in Figure 3: a kind of elastomer pressure ball nest device of miniature bearing crown cage, including pedestal 1, stem 2,
Cavity plate 3, elastic scapus 4 and punch-pin pressure head 5, the material of elastic scapus 4 are polyurethane, the stem 2 by integrally connected path
Portion 201 and large-diameter portion 202 form, and small diameter portion 201 is located at 202 top of large-diameter portion and the two is coaxially connected, and the cavity plate 3 includes two
A cavity plate ontology being docking together forms axial central through hole after two cavity plate ontology docking, and central through hole is from top to bottom
Including retainer placement section 301, elastic scapus placement section 302 and stem clamping part 303, the internal diameter of retainer placement section 301
Outer diameter with retainer to be processed is mutually suitable for, suitable to be meant that retainer to be processed be put into retainer placement section
In 301, gap is smaller.The internal diameter of elastic scapus placement section 302 is less than the internal diameter of retainer placement section 301, and small with stem 2
201 diameter of diameter portion is mutually suitable for that the suitable small diameter portion 201 for being meant that stem 2 can just be placed in elastic scapus placement section 302
Interior, gap is smaller.The internal diameter of stem clamping part 303 and 202 diameter of large-diameter portion of stem 2 are mutually suitable for, suitable to be meant that
The large-diameter portion 202 of stem 2 can just be placed in stem clamping part 303, and gap is smaller.The cavity plate 3 is located at retainer placement section
Quantity and position extruded hole 304 corresponding with ball-and-socket on retainer to be processed is distributed in 301 inner wall, the pedestal 1
Upper surface is provided with blind hole, and diameter of blind hole and the outer diameter of cavity plate 3 are mutually suitable for, suitable to be meant that, cavity plate 3 is rigid after combining
It can be put into blind hole well, gap is smaller.The surface of cavity plate 3 is arranged in punch-pin pressure head 5, and is sequentially connected with press machine.
The working principle of elastomer pressure ball nest device of the present invention are as follows: first pedestal is fixed on standard die holder, then by two
A cavity plate ontology docks to form cavity plate, and in docking operation, stem is placed in cavity plate, so that its small diameter portion is located at elastic scapus and puts
It sets in portion, large-diameter portion is located in stem clamping part, is put into the blind hole of pedestal and is positioned after the completion of combination, then will be to be processed
Retainer is put on the step formed between the retainer placement section of cavity plate and elastic scapus placement section and is positioned, and is then placed in
Elastic scapus, elastic scapus are placed on the small diameter portion end of stem, start press machine, and punch-pin pressure head moves down compression elasticity
Scapus is allowed to be deformed, and due to the limitation of punch-pin pressure head and stem in vertical direction, elastic scapus is squeezed into the extruding of cavity plate
In hole, the pcketing to crown cage is completed, after the completion of pcketing, punch-pin pressure head moves upwards the elastic scapus of disengaging, elastic scapus
Restore cylindrical shape under own resilient effect, is detached from, is taken out elastic scapus from cavity plate with tweezers, by cavity plate with retainer
It is taken out together with stem, by the cavity plate ontology separation of left and right two of cavity plate, that is, can be taken off complete part.
Embodiment 2
A kind of elastomer pressure ball nest device of miniature bearing crown cage, including pedestal 1, stem 2, cavity plate 3, elasticity
Scapus 4 and punch-pin pressure head 5, the material of elastic scapus 4 are elastic rubber, and the stem 2 is by the small diameter portion 201 of integrally connected and big
Diameter portion 202 forms, and small diameter portion 201 is located at 202 top of large-diameter portion and the two is coaxially connected, and the cavity plate 3 includes two and is docked at
Cavity plate ontology together, forms axial central through hole after two cavity plate ontology docking, central through hole from top to bottom includes keeping
Frame placement section 301, elastic scapus placement section 302 and stem clamping part 303, the internal diameter of retainer placement section 301 with it is to be processed
The outer diameter of retainer is mutually suitable for, suitable to be meant that retainer to be processed be put into retainer placement section 301,
Gap is smaller.The internal diameter of elastic scapus placement section 302 be less than retainer placement section 301 internal diameter, and with the small diameter portion of stem 2 201
Diameter is mutually suitable for that the suitable small diameter portion 201 for being meant that stem 2 can just be placed in elastic scapus placement section 302, gap
It is smaller.The internal diameter of stem clamping part 303 and 202 diameter of large-diameter portion of stem 2 be mutually suitable for, the suitable stem 2 that is meant that
Large-diameter portion 202 can just be placed in stem clamping part 303, and gap is smaller.The cavity plate 3 is located at the interior of retainer placement section 301
Quantity and position extruded hole 304 corresponding with ball-and-socket on retainer to be processed is distributed in wall, and the upper surface of the pedestal 1 is set
It is equipped with blind hole, diameter of blind hole and the outer diameter of cavity plate 3 are mutually suitable for, and suitable to be meant that, cavity plate 3 can just be put into after combining
In blind hole, gap is smaller.The surface of cavity plate 3 is arranged in punch-pin pressure head 5, and is sequentially connected with press machine.
The working principle of elastomer pressure ball nest device of the present invention are as follows: first pedestal is fixed on standard die holder, then by two
A cavity plate ontology docks to form cavity plate, and in docking operation, stem is placed in cavity plate, so that its small diameter portion is located at elastic scapus and puts
It sets in portion, large-diameter portion is located in stem clamping part, is put into the blind hole of pedestal and is positioned after the completion of combination, then will be to be processed
Retainer is put on the step formed between the retainer placement section of cavity plate and elastic scapus placement section and is positioned, and is then placed in
Elastic scapus, elastic scapus are placed on the small diameter portion end of stem, start press machine, and punch-pin pressure head moves down compression elasticity
Scapus is allowed to be deformed, and due to the limitation of punch-pin pressure head and stem in vertical direction, elastic scapus is squeezed into the extruding of cavity plate
In hole, the pcketing to crown cage is completed, after the completion of pcketing, punch-pin pressure head moves upwards the elastic scapus of disengaging, elastic scapus
Restore cylindrical shape under own resilient effect, is detached from, is taken out elastic scapus from cavity plate with tweezers, by cavity plate with retainer
It is taken out together with stem, by the cavity plate ontology separation of left and right two of cavity plate, that is, can be taken off complete part.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (2)
1. a kind of elastomer pressure ball nest device of miniature bearing crown cage, it is characterised in that: including pedestal (1), stem
(2), cavity plate (3), elastic scapus (4) and punch-pin pressure head (5), the stem (2) by integrally connected small diameter portion (201) and major diameter
Portion (202) composition, small diameter portion (201) is located at large-diameter portion (202) top and the two is coaxially connected, and the cavity plate (3) includes two
The cavity plate ontology being docking together forms axial central through hole after two cavity plate ontology docking, and central through hole from top to bottom wraps
Include retainer placement section (301), elastic scapus placement section (302) and stem clamping part (303), retainer placement section (301)
The outer diameter of internal diameter and retainer to be processed be mutually suitable for the internal diameter of elastic scapus placement section (302) and the small diameter portion of stem (2)
(201) diameter is mutually suitable for that the internal diameter of stem clamping part (303) is mutually suitable for, described with large-diameter portion (202) diameter of stem (2)
It is opposite with ball-and-socket on retainer to be processed that quantity and position is distributed in the inner wall that cavity plate (3) is located at retainer placement section (301)
The extruded hole (304) answered, the upper surface of the pedestal (1) are provided with blind hole, and diameter of blind hole and the diameter of cavity plate (3) are mutually fitted
Preferably, punch-pin pressure head (5) is arranged in the surface of cavity plate (3), and is sequentially connected with press machine.
2. a kind of elastomer pressure ball nest device of miniature bearing crown cage as described in claim 1, it is characterised in that: institute
The material for stating elastic scapus (4) is polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443016.XA CN108326184B (en) | 2017-12-27 | 2017-12-27 | A kind of elastomer pressure ball nest device of miniature bearing crown cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443016.XA CN108326184B (en) | 2017-12-27 | 2017-12-27 | A kind of elastomer pressure ball nest device of miniature bearing crown cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108326184A CN108326184A (en) | 2018-07-27 |
| CN108326184B true CN108326184B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443016.XA Active CN108326184B (en) | 2017-12-27 | 2017-12-27 | A kind of elastomer pressure ball nest device of miniature bearing crown cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108326184B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814330A (en) * | 2021-07-27 | 2021-12-21 | 襄阳汽车轴承股份有限公司 | Cutting die for automatic production line of basket-shaped retainer punching |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961540A (en) * | 1982-10-01 | 1984-04-07 | Nippon Seiko Kk | Manufacturing method of crown-type cage for rolling bearings |
| JP2001187922A (en) * | 1999-12-28 | 2001-07-10 | Nakanishi Metal Works Co Ltd | Cage of synthetic resin for ball bearing, and method of manufacturing for the same |
| CN201264048Y (en) * | 2008-09-25 | 2009-07-01 | 洛阳轴研科技股份有限公司 | Crown cage turned pocket simple mould |
| CN204974948U (en) * | 2015-08-07 | 2016-01-20 | 重庆市福顺动力配件厂 | Holder is towards fenestra mould |
-
2017
- 2017-12-27 CN CN201711443016.XA patent/CN108326184B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961540A (en) * | 1982-10-01 | 1984-04-07 | Nippon Seiko Kk | Manufacturing method of crown-type cage for rolling bearings |
| JP2001187922A (en) * | 1999-12-28 | 2001-07-10 | Nakanishi Metal Works Co Ltd | Cage of synthetic resin for ball bearing, and method of manufacturing for the same |
| CN201264048Y (en) * | 2008-09-25 | 2009-07-01 | 洛阳轴研科技股份有限公司 | Crown cage turned pocket simple mould |
| CN204974948U (en) * | 2015-08-07 | 2016-01-20 | 重庆市福顺动力配件厂 | Holder is towards fenestra mould |
Non-Patent Citations (1)
| Title |
|---|
| 微型轴承冠形保持架压球窝模具改进设计;高飞等;《轴承》;20170205(第2期);第22-24页 |
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| Publication number | Publication date |
|---|---|
| CN108326184A (en) | 2018-07-27 |
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