KR101090656B1 - Manufacturing apparatus of material for ball-bearing retainer and its method - Google Patents

Abstract

PURPOSE: A device and a method for manufacturing a material for a ball-bearing retainer are provided to easily manufacture various sizes of materials for a retainer at low cost by using various sizes of punching posts, auxiliary posts, and push posts. CONSTITUTION: A device for manufacturing a material for a ball-bearing retainer comprises a punch holder(100) and a die holder(200). The punch holder comprises a first punching part(110), a first push part(120), a second punching part(130), and a second push part(140). The first punching part comprises a first auxiliary post(112). The first push part comprises a first push post(121) and pushes down a first retainer material when a material plate is transferred. The second punch part comprises a second punching post and a second auxiliary post. The die holder comprises a first ejecting part(210), a second ejecting part(220), a third ejecting part(230), and a fourth ejecting part(240). The first ejecting part comprises a third auxiliary post(211). The first ejecting part discharges a circular plate to a first lower space(212) when cutting the first retainer material. The second ejecting part discharges the first retainer material to a second lower space(221). The third ejecting part comprises a fourth auxiliary post(231) and discharges a second retainer material to a third lower space(232).

Description

Material manufacturing apparatus for ball bearing retainer and its method {MANUFACTURING APPARATUS OF MATERIAL FOR BALL-BEARING RETAINER AND ITS METHOD}

The present invention relates to a material manufacturing apparatus for a ball bearing retainer and a method for producing a material for a retainer used to manufacture a ball bearing retainer.

As is well known, rolling bearings are rolling bearings with rollers or balls between axles and bearings, and are suitable for fast and small forces.

These rolling bearings can consist of an inner race, an outer race, a ball, and a retainer, which serve to evenly distribute the balls around the circumference, avoid contact between them, and prevent abrasion and noise. can do.

Such a retainer is manufactured by using a cylindrical plate-shaped material having a predetermined inner diameter and an outer diameter, and the retainer material can be obtained by cutting the material plate using a manufacturing equipment including a punch holder and a die holder.

At this time, the retainer material cut from the material plate should be discharged to the outside of the manufacturing equipment, and conventionally, the cut retainer material is discharged to the outside by spraying air having a predetermined pressure in a pneumatic manner.

The conventional pneumatic system as described above has a problem in that a large amount of cost (for example, a compressor operating cost) is required to inject air having a constant pressure, and therefore, a large cost is required for the manufacture of the retainer material.

The present invention is a ball bearing retainer material manufacturing apparatus and method which can inexpensively and easily manufacture retainer materials having various sizes by cutting and discharging the material for retainers using punching posts, auxiliary posts, and push posts of various sizes. To provide.

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects, which are not mentioned above, will be clearly understood by those skilled in the art from the following description. .

According to one aspect of the invention, in the ball bearing retainer material manufacturing apparatus comprising an upper punch holder and a lower die holder, the punch holder, the outer side of the first punching post and the first punching post of the first diameter And a first auxiliary post having a cylindrical shape spaced apart by a first interval, wherein when the material plate is loaded, a first inner diameter corresponding to the first diameter and a first outer diameter spaced apart by the first interval from the first inner diameter are provided. A first punching part which cuts to have a first retainer material and a first push post having an outer diameter corresponding to the first outer diameter, wherein the material plate including the first retainer material is transported. A first push portion for pushing the first retainer material downward; a second punching post having a second diameter larger than the first outer diameter by a predetermined interval; and A second auxiliary post having a cylindrical shape spaced apart by a second interval to the outside of the second punching post, and having a second outer diameter corresponding to the second diameter when the material plate is transferred from the first push portion; A second punching part for cutting a third retainer material having a third outer diameter spaced apart from the second outer diameter by the second interval while cutting the retainer material and pushing the lower portion; and an outer diameter corresponding to the third outer diameter. And a second push portion for pushing the third retainer material downward when the material plate including the third retainer material is transferred, wherein the die holder includes: a first push post; A third auxiliary post having a cylindrical shape having an upper surface corresponding to the first gap at a position corresponding to the punching portion, and when cutting the first retainer material A first discharge part for discharging the inner circular plate into the first lower space and the first retainer material pushed through the first push part at a position corresponding to the first push part to the second lower space. And a fourth auxiliary post having a cylindrical shape having a second discharge portion and a top surface corresponding to the second gap at a position corresponding to the second punching portion, for the second retainer material and the third retainer. A third discharge part for discharging the second retainer material inside the third lower space when the material is cut, and the third retainer pushed through the second push part at a position corresponding to the second push part; A material manufacturing apparatus for a ball bearing retainer may be provided comprising a fourth discharge portion for discharging the material into the fourth lower space.

According to another aspect of the present invention, in the material manufacturing method for a ball bearing retainer using the upper punch holder and the lower die holder, when the material plate is loaded is provided in the punch holder and the first punching post of the first diameter and the first Cutting to have a first inner diameter corresponding to the first diameter and a first outer diameter spaced apart from the first inner diameter by a first auxiliary post having a cylindrical shape spaced out of the first punching post by a first interval; Manufacturing a first retainer material, and the material plate including the first retainer material is transferred to the punch holder through a first push post having an outer diameter corresponding to the first outer diameter. Discharging the first retainer material to the bottom; and the material plate in a state where the first retainer material is discharged. When transferred, the punch holder is provided with a second punching post having a second diameter larger than the first outer diameter by a predetermined interval and a second auxiliary post having a cylindrical shape spaced apart from the second punching post by a second interval. Cutting a third retainer material having a third outer diameter spaced apart from the second outer diameter by the second interval while cutting the second retainer material having a second outer diameter corresponding to the second diameter and discharging it downward; And when the material plate including the material for the third retainer is transported, the material for the third retainer is pushed downward through a second push post provided in the punch holder and having an outer diameter corresponding to the third outer diameter. There may be provided a material manufacturing method for a ball bearing retainer comprising the step.

In the present invention, by using punching posts, auxiliary posts, and push posts of various sizes in cutting and discharging the material for the retainers used to manufacture the ball bearing retainers, it is possible to cheaply and easily manufacture the materials for the retainers having various sizes.

1 is a view showing a material manufacturing apparatus for a ball bearing retainer for manufacturing a material for a ball bearing retainer according to an embodiment of the present invention,
2 illustrates a bottom surface of a punch holder in accordance with an embodiment of the present invention;
3 illustrates an upper surface of a die holder in accordance with an embodiment of the present invention;
4 is a flowchart illustrating a process of manufacturing a material for a ball bearing retainer according to another embodiment of the present invention.

Advantages and features of the embodiments of the present invention, and methods of achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

In describing the embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the embodiments of the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be based on the contents throughout this specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing a ball bearing retainer material manufacturing apparatus for manufacturing a ball bearing retainer material according to an embodiment of the present invention, Figure 2 is a view illustrating a lower surface of the punch holder according to an embodiment of the present invention, 3 illustrates an upper surface of a die holder in accordance with an embodiment of the present invention.

1 to 3, the ball bearing retainer material manufacturing apparatus may include a punch holder 100 positioned at an upper portion and a die holder 200 provided at a lower portion corresponding to the punch holder 100. have. Punching posts, auxiliary posts, push posts, and the like described below are coupled to the punch holder 100 and can be moved up and down. do.

Here, the punch holder 100 may include a first punching unit 110, a first push unit 120, a second punching unit 130, a second push unit 140, and the like.

The first punching unit 110 includes a first punching post 111 having a first diameter and a first auxiliary post 112 having a cylindrical shape spaced apart from the first punching post 111 by a first interval. When the material plate is loaded, it is cut through the first punching post 111 and the first auxiliary post 112 so as to have a first inner diameter corresponding to the first diameter and a first outer diameter spaced by a first interval from the first inner diameter. 1 Retainer material can be manufactured. At this time, the inner circular plate may be pushed down through the first punching post (111).

The first punching unit 110 may include a cylindrical first protective pad 113 for protecting the first retainer material in a space where the first punching post 111 and the first auxiliary post 112 are spaced apart from each other. Can be.

The first push unit 120 includes a first push post 121 having an outer diameter corresponding to the first outer diameter, and when the material plate including the cut first retainer material is transferred, the first push post 121 is transferred. Through the first retainer material can be pushed down.

The first push unit 120 may be provided with a cylindrical second protective pad 122 for protecting the material plate during the push of the first retainer material on the outside of the first push post 121.

The second punching unit 130 has a cylindrical shape in which the second punching post 131 having a second diameter larger than the first outer diameter is spaced apart from the second punching post 131 by a second interval. It includes the auxiliary post 132, when the material plate is transferred from the first push unit 120, the second retainer material having a second outer diameter corresponding to the second diameter is cut and through the second punching post 131 Can be pushed down. In addition, a third retainer material having a third outer diameter spaced apart from the second outer diameter by a second interval may be cut through the second punching post 131 and the second auxiliary post 132.

The second punching unit 130 may include a cylindrical third protection pad 133 for protecting the third retainer material in a space where the second punching post 131 and the second auxiliary post 132 are spaced apart from each other. Can be.

The second push unit 140 includes a second push post 141 having an outer diameter corresponding to the third outer diameter, and when the material plate including the material for the third retainer is transferred, through the second push post 141. The material for the third retainer can be pushed down.

The second push unit 140 may include a cylindrical fourth protective pad 142 for protecting the material plate during the push of the third retainer material on the outside of the second push post 141.

The die holder 200 may include a first discharge part 210, a second discharge part 220, a third discharge part 230, and a fourth discharge part 240.

The first discharge part 210 is provided at a position corresponding to the first punching part 110, and includes a third auxiliary post 211 having a cylindrical shape having an upper surface corresponding to the first gap, and including a first retainer. The inner circular plate pushed downward through the first punching post 111 may be discharged into the first lower space 212 when cutting the material.

The second discharge part 220 is provided at a position corresponding to the first push part 120 and second material for the first retainer pushed through the first push post 121 of the first push part 120. Discharge into the lower space 221.

The third discharge part 230 is provided at a position corresponding to the second punching part 130, and includes a fourth auxiliary post 231 having a cylindrical shape having an upper surface corresponding to the second gap, and including a second retainer. When cutting the raw material and the third retainer material, the inner second retainer material pushed downward through the second punching post 131 may be discharged into the third lower space 232.

The fourth discharge part 240 is provided at a position corresponding to the second push part 140, and the third retainer material is pushed downward through the second push post 141 of the second push part 140. May be discharged to the fourth lower space 242.

Therefore, by using punching posts, auxiliary posts, and push posts of various sizes in cutting and discharging the material for the retainers used to manufacture the ball bearing retainers, it is possible to easily manufacture the retainer materials having various sizes.

Next, a process of cutting and discharging the first retainer material, the second retainer material, and the third retainer material using the ball bearing retainer material manufacturing apparatus having the above-described configuration will be described.

4 is a flowchart illustrating a process of manufacturing a material for a ball bearing retainer according to another embodiment of the present invention.

Referring to FIG. 4, when the material plate is loaded, the first inner diameter and the first through the first punching post 111 and the first auxiliary post 112 of the first punching part 110 provided in the punch holder 100. The material for the first retainer may be manufactured by cutting the material plate to have an outer diameter (S402).

Here, the first punching post 111 provided in the first punching unit 110 has a first diameter, and the cylindrical first in a position spaced apart by the first interval to the outside of the first punching post 111 Auxiliary post 112 may be provided.

In addition, the first inner diameter of the first retainer material may have a size corresponding to the first diameter, and the first outer diameter of the first retainer material may have a size spaced apart from the first inner diameter by a first interval.

At this time, the cutting of the first retainer material may be guided through the third auxiliary post 211 of the first discharge part 210 provided in the die holder 200. Here, the third auxiliary post 211 may have a cylindrical shape having an upper surface corresponding to the first interval.

At the same time, when the first retainer material is cut, the inner circular plate may be discharged to the first lower space 212 provided in the first discharge part 210 at the position corresponding to the first punching post 111. It may be (S404).

When the material plate including the material for the first retainer is transferred, the material for the first retainer may be pushed down through the first push post 121 provided in the first push part 120 of the punch holder 100. (S406).

Here, the first push post 121 has an outer diameter corresponding to the first outer diameter, the second protective pad 122 provided on the outside of the first push post 121 is the material during the push of the first retainer material The plate can be protected to prevent damage to the material plate.

Accordingly, the first retainer material pushed through the first push post 121 may be discharged to the second lower space 221 provided in the second discharge part 220 (S408).

Here, the second lower space 221 may be provided at a position corresponding to the first push post 121.

Next, when the material plate with the first container material discharged is transferred, the second punching post 131 and the second auxiliary post 132 of the second punching part 130 provided in the punch holder 100 are transferred. By cutting the material for the second retainer through the lower it can be cut through the material for the third retainer (S410).

Here, the second punching post 131 of the second punching unit 130 may have a second diameter larger by a predetermined interval than the first outer diameter, the second auxiliary post 132 is the second punching post 131 It may have a cylindrical shape spaced apart by a second interval to the outside of the), and in the space spaced apart from the second punching post 131 and the second auxiliary post 132, a cylindrical third for protecting the material for the third retainer The protection pad 133 may be provided.

In addition, the second retainer material has a second outer diameter corresponding to the second diameter of the second punching post 131, and the third retainer material is cut to have a third outer diameter spaced apart by the second interval from the second outer diameter. Can be.

At this time, the cutting of the material for the second retainer and the material for the third retainer can be guided through the fourth auxiliary post. Here, the fourth auxiliary post 231 may be provided at a position corresponding to the second interval and have a cylindrical shape having an upper surface corresponding to the second interval.

In addition, when the second retainer material and the third retainer material are cut, the second retainer material inside may be discharged into the third lower space 232 (S412).

Here, the third lower space 232 of the third discharge part 230 provided in the die holder 200 may be provided at a position corresponding to the second punching post 131.

Next, when the material plate containing the material for the third retainer is transferred, the material for the third retainer is pushed downward through the second push post 141 provided in the second push part 140 of the punch holder 100. Can be lowered (S414).

Here, the second push post 141 of the second push portion 140 may have an outer diameter corresponding to the third outer diameter of the third retainer material.

At this time, the third retainer material pushed through the second push post 141 may be discharged to the fourth lower space 241 provided in the fourth discharge unit 240 (S414).

Here, the fourth lower space 241 may be provided at a position corresponding to the second push post 141.

Therefore, by using punching posts, auxiliary posts, and push posts of various sizes in cutting and discharging the material for the retainers used to manufacture the ball bearing retainers, it is possible to easily manufacture the retainer materials having various sizes.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be readily apparent that such substitutions, modifications, and alterations are possible.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, the scope of the present invention is not limited to these embodiments, and the scope of the present invention is defined by the following claims, and equivalent scope of the present invention. It will include various modifications and variations belonging to.

The reference numerals set forth in the claims below are merely to aid the understanding of the present invention, not to affect the interpretation of the scope of the claims, and the scope of the claims should not be construed narrowly.

100: punch holder 110: first punching part
111: first punching post 112: first auxiliary post
113: first protective pad 120: first push part
121: first push post 122: second protective pad
130: second punching unit 131: second punching post
132: second secondary post 133: third protective pad
140: second push unit 141: second push post
142: fourth protective pad 200: die holder
210: first outlet 211: third auxiliary post
212: first lower space 220: second outlet
221: second lower space 230: third discharge portion
231: fourth auxiliary post 232: third lower space
240: fourth discharge portion 241: fourth lower space

Claims (10)

In the material manufacturing apparatus for a ball bearing retainer comprising an upper punch holder and a lower die holder,
The punch holder,
A first auxiliary post having a first diameter of a first diameter and a first auxiliary post having a cylindrical shape spaced apart from the first punching post by a first gap, and having a first inner diameter corresponding to the first diameter when the material plate is loaded; A first punching part which cuts to have a first outer diameter spaced apart from the first inner diameter by the first interval and manufactures a first retainer material;
A first push part having a first push post having an outer diameter corresponding to the first outer diameter, and pushing the first retainer material downward when the material plate including the first retainer material is transferred;
A second punching post having a second diameter larger than the first outer diameter by a predetermined interval and a second auxiliary post having a cylindrical shape spaced apart by a second interval to the outside of the second punching post; When the material plate is transferred, a third retainer having a third outer diameter spaced apart by the second interval from the second outer diameter while cutting the second retainer material having a second outer diameter corresponding to the second diameter and pushing it downward. A second punching part for cutting the raw material;
And a second push post having an outer diameter corresponding to the third outer diameter, and including a second push portion for pushing the third retainer material downward when the material plate including the third retainer material is transferred. ,
The die holder,
A third auxiliary post having a cylindrical shape having an upper surface corresponding to the first gap at a position corresponding to the first punching portion, wherein the circular plate inside the first lower portion is cut when the first retainer material is cut; A first discharge part discharged into the space,
A second discharge part for discharging the first retainer material pushed through the first push part to a second lower space at a position corresponding to the first push part;
A fourth auxiliary post having a cylindrical shape having an upper surface corresponding to the second gap at a position corresponding to the second punching portion, the inner side being cut when the second retainer material and the third retainer material are cut; A third discharge part for discharging the second retainer material to a third lower space;
And a fourth discharge part for discharging the third retainer material pushed through the second push part to a fourth lower space at a position corresponding to the second push part. The method of claim 1,
The first punching part further comprises a cylindrical first protective pad for protecting the first retainer material in a space where the first punching post and the first auxiliary post are spaced apart from each other. Manufacturing device. The method of claim 1,
The first push unit further comprises a cylindrical second protective pad for protecting the material plate during the push of the first retainer material on the outside of the first push post material manufacturing apparatus for a ball bearing retainer. . The method of claim 1,
The second punching part further comprises a cylindrical third protection pad for protecting the third retainer material in a space where the second punching post and the second auxiliary post are spaced apart. Manufacturing device. The method of claim 1,
The second push unit further comprises a cylindrical fourth protective pad for protecting the material plate during the push of the third retainer material on the outside of the second push post, the material manufacturing apparatus for a ball bearing retainer. . In the material manufacturing method for a ball bearing retainer using the upper punch holder and the lower die holder,
When the material plate is loaded, the punch holder is provided to correspond to the first diameter through a first punching post having a first diameter and a first auxiliary post having a cylindrical shape spaced apart from the first punching post by a first gap. Manufacturing a first retainer material by cutting to have a first inner diameter and a first outer diameter spaced apart from the first inner diameter by the first interval;
Discharging the first retainer material downward through a first push post provided in the punch holder and having an outer diameter corresponding to the first outer diameter when the material plate including the first retainer material is transferred; ,
When the material plate in the state in which the material for the first retainer is discharged is transferred, the punch holder is provided to the outside of the second punching post and the second punching post having a second diameter larger than the first outer diameter by a predetermined interval. A second retainer material having a second outer diameter corresponding to the second diameter is cut through the second auxiliary post in the form of a cylinder spaced apart by a second interval and discharged downward to be spaced apart from the second outer diameter by the second interval. Cutting the material for the third retainer having the third outer diameter,
Pushing the third retainer material downward through a second push post provided in the punch holder and having an outer diameter corresponding to the third outer diameter when the material plate including the third retainer material is transferred;
Material manufacturing method for a ball bearing retainer comprising a. delete The method according to claim 6,
The discharging of the first retainer material to the lower part may include: a second lower space provided in the die holder at the position corresponding to the first push post with the first retainer material pushed through the first push post; Ball bearing retainer material manufacturing method characterized in that the discharge. delete The method according to claim 6,
The pushing of the third retainer material downward comprises moving the third retainer material pushed through the second push part to a fourth lower space provided in the die holder at a position corresponding to the second push post. A material manufacturing method for a ball bearing retainer characterized by discharging.

Images