CN213591611U - Stamping die of bearing oil seal - Google Patents

Abstract

The application relates to the field of stamping dies, in particular to a stamping die for a bearing oil seal, which comprises a lower die base, a reference table and a lower module which are arranged on the lower die base, an upper die base and an upper module which is arranged at the lower end of the upper die base; the lower module is arranged in a circular ring shape and sleeved on the reference table, and the lower die base is provided with a pushing assembly for pushing the lower module to move up and down; the upper module is arranged in a circular ring shape, a gap for placing the framework is reserved between the inner wall of the upper module and the side wall of the reference platform in the horizontal direction, and a forming block with the shape matched with that of the placing groove is arranged on the inner wall of the upper module. Go up module, lower module and benchmark platform and can buckle the skeleton blank, benchmark platform extrudees the skeleton simultaneously with the shaping piece to on the skeleton, the standing groove is formed out to stamping, consequently, at the fashioned in-process of standing groove, the skeleton only receives unidirectional extrusion force, therefore the skeleton atress is simple, and difficult emergence is out of shape, promotes the yield of skeleton.

Description

Stamping die of bearing oil seal

Technical Field

The application relates to the field of stamping dies, in particular to a stamping die of a bearing oil seal.

Background

The main effect of the bearing oil seal is to seal the gap between the outer ring and the inner ring of the bearing, and the leakage of oil in the bearing is avoided on the premise of ensuring the normal operation of the bearing.

Common bearing oil blanket includes cyclic annular skeleton and sealing washer, and the skeleton can be directly with the bearing cooperation, and the sealing washer is then sealed the gap between skeleton and the bearing to seal bearing inside.

When the bearing oil seal is produced, firstly, a blank is bent, after the blank is processed into a framework, a placing groove for placing a sealing ring is required to be formed in the framework, the sealing ring is fixed on the framework, and the bearing oil seal is convenient to assemble. Generally, the placement groove is lathed by a lathe, the process of lathing is complicated, and the lathing generates a large turning force. When the turning force acts on the framework, component force is generated in all directions of the framework, so that the stress of the framework is unbalanced, the deformation and failure of the framework are easily caused, and the yield of the framework is low.

SUMMERY OF THE UTILITY MODEL

In order to guarantee the processingquality of standing groove, promote the yield of skeleton, this application provides a stamping die of bearing oil blanket.

The application provides a stamping die of bearing oil blanket adopts following technical scheme:

a stamping die for a bearing oil seal comprises a lower die base, a cylindrical reference table and a lower module which are arranged on the lower die base, an upper die base and an upper module which is arranged at the lower end of the upper die base;

the lower module is arranged in a circular ring shape and sleeved on the reference table, and the upper end of the reference table is higher than that of the lower module; a pushing assembly for pushing the lower module to move up and down is arranged on the lower die base;

the upper module is arranged in a circular ring shape, a gap for placing the framework is reserved between the inner wall of the upper module and the side wall of the reference platform in the horizontal direction, and a forming block with the shape matched with that of the placing groove is arranged on the inner wall of the upper module.

Through adopting above-mentioned technical scheme, when the mould was at initial state, lower module upper end flushed with the benchmark platform upper end, placed skeleton blank on the benchmark platform, partly of skeleton blank was located the benchmark platform this moment, and another part is located down on the module. Then the upper die base moves downwards to drive the upper die block to move downwards and enable the upper die block to press, so that the upper die block and the lower die block clamp the framework blank, the upper die block and the lower die block move downwards synchronously, the framework blank is bent by matching with a reference table, when the upper die block and the lower die block fall to the lowest position, the forming block extrudes the framework, and the placing groove can be formed in the framework.

In the process of placing groove forming, the skeleton only receives unidirectional extrusion force, so the skeleton is simple in stress, deformation failure is not easy to occur, and the yield of the skeleton is improved. Simultaneously, stamping die can process the standing groove fast, compares car processing, and stamping die's work efficiency is than higher, can effectively promote machining efficiency.

When the drawing of patterns, promote the subassembly and promote the module removal down for go up module and module down and shift up simultaneously, consequently the module can promote the skeleton to shift up down, makes skeleton and benchmark platform break away from, thereby realizes the drawing of patterns, and convenient to use helps promoting work efficiency.

Preferably, the inner side of the upper module is also provided with a disengaging module, and the upper module is sleeved on the disengaging module; the upper end of the demolding block is vertically provided with a first ejector rod, the first ejector rod penetrates through the upper die base, and the lower end of the first ejector rod is connected with the demolding block.

Through adopting above-mentioned technical scheme, when the upper die base drives the module and shifts up, the drawing of patterns piece is static motionless, consequently, shifts up the in-process at last module, and the drawing of patterns piece can promote the skeleton, makes skeleton and last module break away from to reach the purpose of drawing of patterns, the staff can directly take out the skeleton, and the use of the mould of being convenient for helps promoting work efficiency.

Preferably, a cavity is formed in the upper die holder, the upper end of the first ejector rod extends into the cavity, a top plate is arranged in the cavity, and the upper end of the first ejector rod is connected with the top plate; the upper die holder is also provided with a through hole which is vertically arranged above the cavity; the lower end of the through hole is communicated with the cavity.

Through adopting above-mentioned technical scheme, when the mould used, driving pieces such as pneumatic cylinder or cylinder can be connected with the roof through the through-hole to can promote ejector pin and drawing of patterns piece and go up the module and carry out relative movement, so that the going on of drawing of patterns process. And because the driving piece can promote the ejector pin through the roof, can promote the homogeneity of drawing of patterns piece atress, guarantee going on smoothly of demoulding process.

Preferably, the pushing assembly comprises a second ejector rod, and the second ejector rod penetrates through the lower die base; the upper end of the second ejector rod is connected with the lower module, and the lower end of the second ejector rod extends to the lower part of the lower die base.

Through adopting above-mentioned technical scheme, the second ejector pin can move in vertical direction to the module reciprocates under the drive, the use of the stamping die of being convenient for.

Preferably, one end of the second ejector rod, which is close to the lower module, is provided with a screw rod, and the screw rod is arranged on the lower module in a penetrating manner and is in threaded connection with the lower module.

Through adopting above-mentioned technical scheme, the second ejector pin passes through the screw rod and is connected with lower module, and the convenience of stamping die equipment is promoted in the installation of module and second ejector pin down of being convenient for.

Preferably, the edge of the upper end of the reference table is provided with a round angle.

Through adopting above-mentioned technical scheme, thereby when last module and lower module drive the skeleton and move down the skeleton and buckle, the benchmark bench end is the fillet setting, can effectively reduce the shearing force that the skeleton received to make the benchmark platform can not directly cut the skeleton, guarantee the yield of skeleton. And the setting of fillet can be convenient for the benchmark platform and buckle the skeleton, can promote the machining efficiency of skeleton.

Preferably, a positioning block for positioning the framework is arranged at the upper end of the reference table.

Through adopting above-mentioned technical scheme, stamping die is when using, and skeleton blank can directly overlap on the locating piece, therefore the locating piece can be fixed a position the blank of skeleton, effectively promotes the precision of punching press, guarantees stamping die's normal processing, promotes the yield.

Preferably, the upper end of the side wall of the positioning block, which is back to the center of the reference table, inclines towards the center of the reference table.

Through adopting above-mentioned technical scheme, the lateral wall upper end slope of locating piece sets up, therefore skeleton blank overlaps on the locating piece more easily, can effectively promote the efficiency of skeleton location to effectively promote stamping die's work efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the upper module and the lower module clamp the framework blank, synchronously move downwards and can bend the framework blank by matching with the reference table; meanwhile, the framework is extruded by the reference table and the forming block simultaneously, so that the placing groove is formed by stamping on the framework, and therefore, in the process of forming the placing groove, the framework is only subjected to unidirectional extrusion force, the framework is simple in stress and not easy to deform and lose efficacy, and the yield of the framework is improved;

2. the inner side of the upper module is also provided with a demoulding block, and when the upper die base drives the upper module to move upwards, the demoulding block is static and can push the framework to separate the framework from the upper module, so that the aim of demoulding is fulfilled; the upper end of the reference table is provided with a positioning block for positioning the framework, and the positioning block can be used for quickly positioning the framework blank, so that the stamping precision is effectively improved, and the yield is improved;

3. the edge sets up to the fillet on the benchmark platform, thereby when last module and lower module drive the skeleton move down and shift down to buckle the skeleton, the skeleton can not receive the too big shearing force that the benchmark platform was applyed to make the benchmark platform can not directly cut the skeleton, guarantee the yield of skeleton.

Drawings

FIG. 1 is a schematic structural diagram of an oil seal framework;

FIG. 2 is a schematic structural view of a press die;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the drawings, the reference numbers: 1. an upper die holder; 11. a cavity; 12. a top plate; 13. a through hole; 2. an upper module; 3. demoulding; 31. a first ejector rod; 4. forming a block; 5. a lower die holder; 51. a second ejector rod; 52. a screw; 6. a lower module; 7. a reference table; 8. positioning blocks; 9. a framework; 91. and (6) placing the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses stamping die of bearing oil seal. Referring to fig. 1, the framework 9 has a structure in which a placement groove 91 is formed at an upper end of a sidewall of the framework 9.

Referring to fig. 2 and 3, the stamping die comprises an upper die block 2 and a demoulding block 3, wherein the upper die block 1 is fixed below the upper die block 1, a forming block 4 fixed on the inner wall of the upper die block 2, a lower die block 5, and a lower die block 6 and a reference table 7 which are arranged above the lower die block 5. The reference table 7 is provided in a cylindrical shape. Lower module 6 and last module 2 all are the ring form setting to go up module 2 internal diameter and lower module 6's internal diameter the same. The lower module 6 is sleeved on the reference table 7, when the framework 9 is placed on the reference table 7, one part of the framework 9 is positioned on the reference table 7, and the other part of the framework 9 is positioned on the lower module 6. A gap is left between the inner wall of the upper module 2 and the side wall of the reference platform 7 in the horizontal direction, and the thickness of the gap is the same as that of the framework 9. The shape of the molding block 4 matches the shape of the placement groove 91, and the molding block 4 is integrally molded with the upper module 2.

Referring to fig. 2 and 3, the upper module 2 and the lower module 6 can clamp the framework 9 and drive the framework 9 to move downwards relative to the reference table 7, the reference table 7 can bend the blank of the framework 9, and the forming block 4 and the reference table 7 extrude the framework 9, so that the forming placing groove 91 is formed in the framework 9.

Referring to fig. 2 and 4, a positioning block 8 is fixed to the upper end of the reference table 7, the positioning block 8 is annularly disposed, and the axis of the positioning block 8 coincides with the axis of the reference table 7. The edge of the upper end of the reference table 7 is provided with a round angle. The blank of skeleton 9 can directly be placed on benchmark platform 7 and the cover is on locating piece 8, and the inner wall of skeleton 9 blank and the lateral wall looks butt of locating piece 8 this moment to fix a position skeleton 9. The upper end of the outer side surface of the positioning block 8 inclines towards the center of the positioning block 8, so that the skeleton 9 blank can be quickly sleeved on the positioning block 8, and the efficiency is improved.

Referring to fig. 2, a pushing assembly is arranged on the lower die holder 5 and is positioned below the lower die block 6. The pushing assembly comprises a second top rod 51 arranged vertically and a screw 52 fixed at the upper end of the second top rod 51. The second push rod 51 is arranged on the lower die base 5 in a penetrating mode, the upper end of the second push rod 51 extends to the upper side of the lower die base 5, and the lower end of the second push rod 51 extends to the lower side of the lower die base 5. The screw 52 is arranged on the lower module 6 in a penetrating way and is in threaded connection with the lower module 6, so that the second ejector rod 51 and the lower module 6 can be assembled conveniently.

The second push rod 51 can be connected with a driving member such as an air cylinder or a hydraulic cylinder, so that the lower module 6 can be pushed to move up and down. And in the initial state of the mould, the upper end of the lower module 6 is flush with the upper end of the reference table 7 so as to place the skeleton 9 blank.

Referring to fig. 2, the upper module 2 is sleeved on the demoulding module 3 and fixed on the upper die holder 1 through bolts. The upper die base 1 can drive the upper die block 2 to move up and down, and the upper die block 2 and the lower die block 6 are mutually abutted, so that a framework 9 blank is clamped tightly.

Referring to fig. 2, a first ejector rod 31 is vertically arranged at the upper end of the demoulding block 3, the first ejector rod 31 penetrates through the upper die holder 1, and the lower end of the first ejector rod 31 is fixed on the demoulding block 3. The upper die holder 1 is provided with a cavity 11, and the upper end of the first ejector rod 31 extends into the cavity 11. A top plate 12 is also provided within the cavity 11, the top plate 12 being movable up and down within the cavity 11. The upper end of the first push rod 31 is fixed at the lower end of the top plate 12. The upper die holder 1 is further provided with a through hole 13, the through hole 13 is vertically arranged right above the cavity 11, and the lower end of the through hole 13 is communicated with the cavity 11. Driving members such as a hydraulic cylinder and an air cylinder can be brought into contact with the top plate 12 through the through hole 13.

When the upper die holder 1 and the upper die block 2 move upwards, the demoulding block 3, the first ejector rod 31 and the top plate 12 are kept in a static state, so that the demoulding block 3 can be abutted to the framework 9, the framework 9 is retreated from the upper die block 2, and demoulding is realized. When the upper die holder 1 continuously moves upwards to enable the top plate 12 to be abutted against the bottom wall of the cavity 11, the upper die holder 1 can drive the top plate 12, the first ejector rod 31 and the demolding block 3 to move upwards so that a worker can take out the punched framework 9 from the die.

The implementation principle of the stamping die of the bearing oil seal is as follows: firstly, a ring-shaped skeleton 9 blank is placed on the reference table 7, and the blank is sleeved on the positioning block 8. And controlling the upper die holder 1 to move downwards integrally, driving the upper die block 2 to be close to the lower die block 6 by the upper die holder 1, and clamping the skeleton 9 blank by matching with the lower die block 6.

And secondly, the upper die holder 1, the upper die block 2 and the lower die block 6 synchronously move downwards, so that the base table 7 bends the framework 9 blank. And in the process that the upper die holder 1 and the upper die block 2 continuously move downwards, the forming block 4 and the reference table 7 extrude the skeleton 9 blank, so that the placing groove 91 is formed on the skeleton 9.

Followed by demolding. The upper die base 1, the upper die block 2 and the lower die block 6 move upwards synchronously, the demoulding block 3 is in a static state, the lower die block 6 pushes the framework 9 to move upwards, the framework 9 is separated from the reference table 7, and the framework 9 can still be fixed on the upper die block 2 at the moment. When the upper die holder 1 and the upper die block 2 continuously move upwards, the demoulding block 3 is still, so that the framework 9 can be pushed down from the upper die block 2 by the demoulding block 3, and the demoulding process is finished.

And finally, the upper die holder 1 drives the upper die block 2 and the demolding block 3 to move upwards together, and a worker can take the punched framework 9 off the die.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a stamping die of bearing oil blanket which characterized in that: comprises a lower die holder (5), a cylindrical reference table (7) and a lower die block (6) which are arranged on the lower die holder (5), an upper die holder (1) and an upper die block (2) which is arranged at the lower end of the upper die holder (1);

the lower module (6) is arranged in a circular ring shape and sleeved on the reference table (7), and the upper end of the reference table (7) is higher than the upper end of the lower module (6); the lower die holder (5) is provided with a pushing assembly for pushing the lower die block (6) to move up and down;

go up module (2) and be the ring form setting, and go up module (2) inner wall and benchmark platform (7) lateral wall and leave the space that is used for placing skeleton (9) on the horizontal direction, be provided with shape and standing groove (91) shape assorted shaping piece (4) on going up module (2) inner wall.

2. A stamping die for a bearing oil seal as defined in claim 1, wherein: the inner side of the upper module (2) is also provided with a demoulding module (3), and the upper module (2) is sleeved on the demoulding module (3); the upper end of the demoulding body (3) is vertically provided with a first ejector rod (31), the first ejector rod (31) penetrates through the upper die base (1), and the lower end of the first ejector rod (31) is connected with the demoulding body (3).

3. A stamping die for a bearing oil seal as defined in claim 2, wherein: a cavity (11) is formed in the upper die holder (1), the upper end of the first ejector rod (31) extends into the cavity (11), a top plate (12) is arranged in the cavity (11), and the upper end of the first ejector rod (31) is connected with the top plate (12); the upper die holder (1) is also provided with a through hole (13), and the through hole (13) is vertically arranged above the cavity (11); the lower end of the through hole (13) is communicated with the cavity (11).

4. A stamping die for a bearing oil seal as defined in claim 1, wherein: the pushing assembly comprises a second ejector rod (51), and the second ejector rod (51) penetrates through the lower die base (5); the upper end of the second ejector rod (51) is connected with the lower module (6), and the lower end of the second ejector rod extends to the lower part of the lower die base (5).

5. A stamping die for a bearing oil seal as claimed in claim 4, wherein: one end of the second ejector rod (51) close to the lower module (6) is provided with a screw rod (52), and the screw rod (52) penetrates through the lower module (6) and is in threaded connection with the lower module (6).

6. A stamping die for a bearing oil seal as defined in claim 1, wherein: the edge of the upper end of the reference table (7) is set to be a round angle.

7. A stamping die for a bearing oil seal as defined in claim 1, wherein: and a positioning block (8) for positioning the framework (9) is arranged at the upper end of the reference table (7).

8. A stamping die for a bearing oil seal as claimed in claim 7, wherein: the upper end of the side wall of the positioning block (8), which is back to the center of the reference table (7), inclines towards the center of the reference table (7).

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