Forming device of bearing framework

Abstract

The utility model relates to a forming device of a bearing framework, which comprises an upper die holder and a lower die holder, a first blanking die, a second blanking die, a first shaping die, a third blanking die, a first framework die, a necking die and a second framework die are arranged between the upper die holder and the lower die holder, and the first blanking die is used for punching gaps on two sides of the bearing framework; the second blanking die is used for punching gaps between the upper side and the lower side of the bearing framework and tying belts for connecting plates; the first shaping die is used for punching the whole shape of the two bearing frameworks; the third blanking die is used for punching off redundant plates in the middle; the first framework die is used for punching a first bearing framework; the necking die is used for carrying out necking process treatment on the bottom of the second bearing framework; the second framework die is used for punching a second bearing framework. The utility model aims at providing a forming device of a bearing framework to solve the problems that in the prior art, bearing framework machining production efficiency is low, and raw material waste is large.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing accessory technical field, concretely relates to a forming device of bearing skeleton. BACKGROUND

[0002] Bearing is an important part in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient in its movement process, and ensure its rotation accuracy.

[0003] The existing bearing skeleton forming device is more wasteful of raw materials when processing the bearing skeleton, and only one type of bearing skeleton can be punched in the stamping process at a time, the production efficiency is low, and the excess plate material will be wasted. If you want to get two types of bearing skeletons, you need to stamp them on two devices, which requires a large land area.

[0004] The present application provides a bearing skeleton forming device that improves production efficiency and saves raw materials. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a forming device of bearing skeleton to solve the problems of low production efficiency and large raw material waste in the prior art.

[0006] In order to achieve the above purpose, the basic scheme of the utility model is as follows:

[0007] A forming device of bearing skeleton, comprising an upper die holder and a lower die holder, a first blanking die, a second blanking die, a first shaping die, a third blanking die, a first skeleton die, a necking die and a second skeleton die are sequentially arranged between the upper die holder and the lower die holder, the first blanking die is used for punching out the gap on both sides of the bearing skeleton; the second blanking die is used for punching out the gap on both sides of the bearing skeleton and the tie of the connecting plate; the first shaping die is used for punching out the shape of the two bearing skeletons as a whole; the third blanking die is used for punching off the excess plate material in the middle part; the first skeleton die is used for punching out the first bearing skeleton; the necking die is used for necking process treatment on the bottom of the second bearing skeleton; the second skeleton die is used for punching out the second bearing skeleton.

[0008] Compared with the prior art, the forming device of bearing skeleton has the following beneficial effects:

[0009] The application realizes that a set of devices punches out two bearing skeletons with different sizes, improves the forming efficiency of the bearing skeleton, improves the utilization rate of the plate material, reduces the waste of the plate material, punches out two bearing skeletons with different sizes by one device, and saves the use space of the site.

[0010] Preferably, the first blanking die comprises a first blanking block arranged on the upper die seat and a first blanking hole arranged on the lower die seat.

[0011] Beneficial effect: the first blanking die is used for punching out the gaps on the left and right sides of the bearing skeleton.

[0012] Preferably, the second blanking die comprises a second blanking block arranged on the upper die seat and a second blanking hole arranged on the lower die seat.

[0013] Beneficial effect: the second blanking die is used for punching out the gaps on the upper and lower sides of the bearing skeleton and the tie straps connecting the plate materials, and the tie straps can fix the bearing skeleton on the plate material before being punched off.

[0014] Preferably, the first shaping die comprises a first convex die arranged on the upper die seat and a first concave die arranged on the lower die seat.

[0015] Beneficial effect: the first shaping die is used for punching out the shape of the two bearing skeletons as a whole.

[0016] Preferably, the shaping die is provided with three groups and is located between the second blanking die and the third blanking die.

[0017] Beneficial effect: the three groups of first shaping dies can ensure that the punched bearing skeleton is more consistent with the required shape and size.

[0018] Preferably, the third blanking die comprises a third blanking block arranged on the upper die seat and a third blanking hole arranged on the lower die seat.

[0019] Beneficial effect: the third blanking die is used for punching off the excess plate materials in the middle of the plate material.

[0020] Preferably, the first skeleton die comprises a first skeleton blanking block arranged on the upper die seat and a first skeleton blanking hole arranged on the lower die seat.

[0021] Beneficial effect: the first skeleton die is used for punching out the first bearing skeleton.

[0022] Preferably, the necking die comprises a second male die disposed on the upper die holder and a second female die disposed on the lower die holder, the second female die comprising a flat portion and a protrusion at the edge of the flat portion, the inside of the protrusion comprising a rounded transition to the flat portion.

[0023] Beneficial effects: the necking die is used for necking process treatment on the bottom of the second skeleton.

[0024] Preferably, the second skeleton die comprises a second skeleton blanking block disposed on the upper die holder and a second skeleton blanking hole disposed on the lower die holder.

[0025] Beneficial effects: the second skeleton die is used for punching out the second bearing skeleton. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0027] Figure 2 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0028] Figure 3 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0029] Figure 4 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0030] Figure 5 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0031] Figure 6 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0032] Figure 7 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0033] Figure 8 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0034] Figure 9 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure;

[0035] Figure 10 A structure schematic diagram of the bearing skeleton forming device provided by the embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0036] Further details are described below through specific embodiments:

[0037] The reference signs in the drawings of the specification include: upper die holder 1, lower die holder 2, first blanking die 3, second blanking die 4, first shaping die 5, third blanking die 6, first skeleton die 7, necking die 8, second skeleton die 9, gap 10, strap 11, plate 12, first blanking block 13, first blanking hole 14, second blanking block 15, second blanking hole 16, first punch 17, first recess 18, third blanking block 19, third blanking hole 20, first skeleton blanking block 21, first skeleton blanking hole 22, second punch 23, second recess 24, flat portion 25, protrusion 26, fillet 27, second skeleton blanking block 28, second skeleton blanking hole 29.

[0038] As shown in the accompanying drawings Figures 1-10 The present embodiment shows a forming device for bearing skeletons, which includes an upper die holder 1 and a lower die holder 2. The upper die holder 1 and the lower die holder 2 are sequentially provided with a first blanking die 3, a second blanking die 4, a first shaping die 5, a third blanking die 6, a first skeleton die 7, a necking die 8, and a second skeleton die 9.

[0039] In the present embodiment, a first bearing skeleton is punched out by the first skeleton die 7, then the bottom opening of a second bearing skeleton still connected to the plate 12 is necked by the necking die 8, and then a second bearing skeleton is punched out by the second skeleton die 9, so that a set of bearing skeleton forming device punches out two bearing skeletons with different sizes, improves the forming efficiency of the bearing skeleton, and improves the utilization rate of the plate 12.

[0040] The first blanking die 3 includes a first blanking block 13 arranged on the upper die holder 1 and a first blanking hole 14 arranged on the lower die holder 2. The second blanking die 4 includes a second blanking block 15 arranged on the upper die holder 1 and a second blanking hole 16 arranged on the lower die holder 2. The first shaping die 5 includes a first punch 17 arranged on the upper die holder 1 and a first recess 18 arranged on the lower die holder 2. The shaping die is provided with three groups and is located between the second blanking die 4 and the third blanking die 6. The third blanking die 6 includes a third blanking block 19 arranged on the upper die holder 1 and a third blanking hole 20 arranged on the lower die holder 2. The first skeleton die 7 includes a first skeleton blanking block 21 arranged on the upper die holder 1 and a first skeleton blanking hole 22 arranged on the lower die holder 2.

[0041] The necking die 8 includes a second punch 23 arranged on the upper die holder 1 and a second recess 24 arranged on the lower die holder 2. The second recess 24 includes a flat portion 25 and a protrusion 26 at the edge of the flat portion 25. The inside of the protrusion 26 is provided with a fillet 27 transitioning to the flat portion 25.

[0042] The second skeleton die 9 comprises a second skeleton blanking block 28 arranged on the upper die seat 1 and a second skeleton blanking hole 29 arranged on the lower die seat 2.

[0043] When the skeleton is formed, the plate 12 is conveyed into the forming device of the bearing skeleton from the left side, and then the first blanking die 3 is used to punch out the gaps 10 on the left and right sides of the bearing skeleton; the second blanking die 4 is used to punch out the gaps 10 on the upper and lower sides of the bearing skeleton and the tie 11 connecting the plate 12, and the blanks of the first and second bearing skeletons in the middle of the plate 12 are connected to the plate 12 through the tie 11. The first shaping die 5 is used to punch out the shape of the two bearing skeletons as a whole, that is, a circular ring with two steps and the middle plate 12, and the third blanking die 6 is used to punch off the excess plate 12 in the middle. The first skeleton die 7 is used to punch out the first bearing skeleton, that is, to punch off the lower step circular ring, which is the first bearing skeleton. The remaining is the blank of the second bearing skeleton.

[0044] Then, the bottom of the second bearing skeleton is processed by the necking die 8. During the processing, the second punch 23 is pressed downward to press the blank of the second bearing skeleton downward, and the outer edge of the bottom of the second bearing skeleton is bent inward through the shaping of the protrusion 26 and the fillet 27, so as to achieve the purpose of reducing the opening of the bottom of the second bearing skeleton. Then the second skeleton die 9 is used to punch out the second bearing skeleton.

[0045] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme and other common knowledge are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and other records in the specification can be used to explain the content of the claims.

Claims

1. A forming apparatus for a bearing cage, characterized by: The application relates to a die set for manufacturing bearing skeletons, which comprises an upper die seat (1) and a lower die seat (2), wherein a first blanking die (3), a second blanking die (4), a first shaping die (5), a third blanking die (6), a first skeleton die (7), a necking die (8) and a second skeleton die (9) are sequentially arranged between the upper die seat (1) and the lower die seat (2), the first blanking die (3) is used for punching out gaps (10) on the left and right sides of a bearing skeleton; the second blanking die (4) is used for punching out gaps (10) on the upper and lower sides of the bearing skeleton and a tie strap (11) of a connecting plate (12); the first shaping die (5) is used for punching out the shape of two bearing skeletons as a whole; the third blanking die (6) is used for punching off the excess plate (12) in the middle part; the first skeleton die (7) is used for punching out a first bearing skeleton; the necking die (8) is used for necking process treatment on the bottom of a second bearing skeleton; and the second skeleton die (9) is used for punching out the second bearing skeleton.

2. A bearing cage forming apparatus according to claim 1, wherein: The first blanking die (3) comprises a first blanking block (13) arranged on the upper die seat (1) and a first blanking hole (14) arranged on the lower die seat (2).

3. The apparatus of claim 1 wherein: The second blanking die (4) comprises a second blanking block (15) arranged on the upper die seat (1) and a second blanking hole (16) arranged on the lower die seat (2).

4. The apparatus of claim 1 wherein: The first shaping die (5) comprises a first convex die (17) arranged on the upper die seat (1) and a first concave die (18) arranged on the lower die seat (2).

5. A bearing cage forming apparatus according to claim 4, wherein: The shaping die is provided with three groups and is located between the second blanking die (4) and the third blanking die (6).

6. The apparatus of claim 1 wherein: The third blanking die (6) comprises a third blanking block (19) arranged on the upper die seat (1) and a third blanking hole (20) arranged on the lower die seat (2).

7. The apparatus of claim 1 wherein: The first skeleton die (7) comprises a first skeleton blanking block (21) arranged on the upper die seat (1) and a first skeleton blanking hole (22) arranged on the lower die seat (2).

8. The apparatus of claim 1 wherein: The necking die (8) comprises a second convex die (23) arranged on the upper die seat (1) and a second concave die (24) arranged on the lower die seat (2), the second concave die (24) comprises a flat part (25) and a protrusion (26) at the edge of the flat part (25), and a round corner (27) is arranged inside the protrusion (26) to transition to the flat part (25).

9. The apparatus of claim 1 wherein: The second skeleton die (9) comprises a second skeleton blanking block (28) arranged on the upper die seat (1) and a second skeleton blanking hole (29) arranged on the lower die seat (2).

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