CN218744181U

CN218744181U - Secondary flywheel and secondary flywheel sheet stock chamfering device

Info

Publication number: CN218744181U
Application number: CN202222335551.6U
Authority: CN
Inventors: 李晓锋; 孙勇
Original assignee: Jingjiang Sanpeng Mould Technology Co ltd
Current assignee: Jingjiang Sanpeng Mould Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-28
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a secondary flywheel, which comprises a folded edge, wherein the end angle of the folded edge, which is adjacent to the wheel surface of the secondary flywheel, is in a circular arc-shaped chamfer arrangement; a secondary flywheel sheet material chamfering device comprises an upper die fixedly connected with an upper workbench of a press and a lower die fixedly connected with a lower workbench of the press, wherein the lower die is provided with a male die used for placing sheet materials, the upper die is provided with a pressing die used for pressing corners of the sheet materials, the pressing die comprises a pressing groove, the side wall of the pressing groove is in an arc-shaped chamfering arrangement, and the groove depth of the pressing groove is smaller than the thickness of the sheet materials. The secondary flywheel is reasonable in structure, the edge of the sheet material of the secondary flywheel is arranged in a chamfer, and the chamfered sheet material smoothly scratches the wheel surface of the secondary flywheel, so that burrs are avoided, and the qualification rate of finished products is improved.

Description

Secondary flywheel and secondary flywheel sheet stock chamfering device

Technical Field

The utility model belongs to the technical field of the automotive technology and specifically relates to a secondary flywheel and secondary flywheel sheet stock chamfer device is related to.

Background

Most secondary flywheels in the current market are forged parts, and because the manufacturing process is complex, the process flow is long, the cost is high, the secondary flywheels are replaced by sheet metal stamping parts, and the secondary flywheels are formed by stamping sheet metals, the manufacturing process is simple, and the stability of quality is ensured simultaneously

The processing steps of the sheet metal stamping secondary flywheel comprise the steps of flanging disc-shaped sheet materials, folding edges of 45 degrees, and folding edges, as shown in fig. 1-4, as shown in fig. 5-8, the edges of the sheet materials are still right-angled because the edges of the sheet materials are not chamfered, and when the edges of the sheet materials are folded, the folded edges are extruded by the right-angled edges to cause burrs and flashes, so that the surface defects of subsequent finished products are caused, and the qualification rate of the finished products of the secondary flywheel is influenced.

Therefore, there is a need for an improvement in the secondary flywheel of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a secondary flywheel and secondary flywheel sheet stock chamfer device, the sheet stock edge of secondary flywheel is the chamfer setting, smoothly draws the overlap limit face behind the sheet stock chamfer, avoids the production of burr, improves off-the-shelf qualification rate.

In order to realize the technical effects, the utility model adopts the technical scheme that: a secondary flywheel comprises a folded edge, wherein the end angle of the folded edge, which is adjacent to the wheel surface of the secondary flywheel, is an arc-shaped chamfer. Through the design, the end angle of the folded edge is arranged in a circular arc-shaped chamfer, and the folded edge after chamfering smoothly passes through the wheel surface of the secondary flywheel, so that the generation of burrs is avoided.

A secondary flywheel sheet material chamfering device comprises an upper die fixedly connected with an upper workbench of a press and a lower die fixedly connected with a lower workbench of the press, wherein the lower die is provided with a male die used for mounting sheet materials, the upper die is provided with a pressing die used for pressing corners of the sheet materials, the pressing die comprises a pressing groove, the side wall of the pressing groove is in an arc-shaped chamfering arrangement, and the groove depth of the pressing groove is smaller than the thickness setting of the sheet materials. With this design, the corners of the sheet are pressed out of the chamfer by the press die.

The preferred technical scheme does, the terrace die includes fixed disk and lifter plate, the lifter plate with the fixed disk goes up and down to be connected, the center of fixed disk is provided with the confession the perforation that the lifter plate passed, the lifter plate has two operating position, and first operating position is down: the surface of the lifting disc is flush with the surface of the fixed disc; the second working position is as follows: the surface of the lifting disc protrudes out of the surface of the fixed disc. Through such design, the lifting disk protrusion fixed disk is convenient for the manipulator to snatch the sheet stock.

The preferable technical scheme is that the lifting disc is provided with a special-shaped bulge and a limiting rod which are in limit fit with the special-shaped hole. Through such design, realized spacing to the sheet stock.

The preferable technical scheme is that the lower die comprises a lower die base, and an elastic piece is clamped between the lower die base and the lifting disc. Through such design, lifting disk protrusion in the upper surface of fixed disk under the natural state.

The preferable technical scheme is that the lower die base further comprises a limiting disc fixedly arranged between the lower die base and the fixed disc, the limiting disc is provided with a sliding chute coaxial with the perforation, and the diameter of the sliding chute is larger than that of the perforation; the lifting disc is provided with a sliding block which is in sliding connection with the sliding groove. Through such design, avoid the lifting disk to break away from with the fixed disk mutually.

The preferable technical scheme is that the upper die is provided with a probe for determining whether the sheet stock is placed in place or not, and the probe penetrates through the through hole. Through such design, still carry out the chamfer operation after avoiding the sheet stock dislocation.

The preferable technical scheme is that a fixing component for fixing the upper die and the lower die is arranged between the upper die and the lower die. Through such design, avoid this processingequipment in the transportation, go up the mould and take place to beat, this processingequipment takes place to damage.

The preferable technical scheme is that the fixing assembly comprises a connecting rod, threaded holes formed in the side walls of the upper die and the lower die, and bolts in threaded connection with the threaded holes, and the connecting rod is provided with penetrating holes for the rod parts of the bolts to penetrate through.

The preferable technical scheme is that a plurality of penetrating holes are arranged along the extending direction of the connecting rod or the penetrating holes are arranged in a long strip shape.

The utility model has the advantages and beneficial effects that: the secondary flywheel and the chamfering device for the secondary flywheel sheet material have reasonable structure, and the edge chamfering of the sheet material is arranged, so that the chamfer smoothly passes through the edge folding surface during edge folding, thereby avoiding the generation of burrs and improving the qualification rate of the finished secondary flywheel; and (4) the edge of the sheet material is strongly stamped through a stamping die to complete chamfering operation of the sheet material.

Drawings

FIG. 1 is a schematic representation of a prior art sheet material construction;

FIG. 2 is a schematic view showing a state after the sheet material is turned over in the prior art;

FIG. 3 is a schematic view showing a state in which a sheet of a prior art is folded at 45 edges;

FIG. 4 is a schematic view showing a state after sheet materials are overlapped in the prior art;

FIG. 5 is a cross-sectional view of FIG. 1;

FIG. 6 is an enlarged schematic view at A in FIG. 5;

FIG. 7 is a cross-sectional view of FIG. 4;

FIG. 8 is an enlarged schematic view at B of FIG. 7;

FIG. 9 is a schematic view showing the structure of a sheet material according to embodiment 1 of the present invention;

FIG. 10 is a cross-sectional view of FIG. 9;

FIG. 11 is a schematic view showing a state after sheet materials of embodiment 1 of the present invention are overlapped;

FIG. 12 is a cross-sectional view of FIG. 11;

FIG. 13 is an enlarged schematic view at C of FIG. 12;

FIG. 14 is a schematic structural view of a secondary flywheel sheet stock chamfering device according to embodiment 1 of the present invention;

FIG. 15 is a cross-sectional view of FIG. 14;

fig. 16 is a schematic view showing a die-punch and punch clamping state according to embodiment 1 of the present invention;

FIG. 17 is a cross-sectional view of FIG. 16;

fig. 18 is a schematic structural view of a stamper according to embodiment 1 of the present invention;

FIG. 19 is a cross-sectional view of FIG. 18;

FIG. 20 is a schematic view of the sheet material of example 1 of the present invention on the male mold;

fig. 21 is a schematic structural view of a male die of embodiment 1 of the present invention;

FIG. 22 is a schematic view showing a structure of a secondary flywheel sheet chamfering device according to embodiment 2 of the present invention;

in the figure: 1. sheet stock; 11. a profiled hole; 12. a through hole; 13. chamfering; 14. folding edges; 2. an upper die; 21. a probe; 3. a lower die; 31. a lower die holder; 32. an elastic member; 33. a limiting disc; 34. a chute; 4. a male die; 5. die pressing; 51. punching a groove; 6. fixing the disc; 61. perforating; 7. a lifting plate; 71. irregular bulges; 72. a limiting rod; 73. a slider; 81. a connecting rod; 82. a threaded hole; 83. a bolt; 84. and penetrating the hole.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 9 to 21, the secondary flywheel of embodiment 1 includes a folded edge 14, and an end corner of the folded edge 14 adjacent to the secondary flywheel wheel surface is provided with a rounded chamfer 13.

A secondary flywheel sheet material chamfering device for processing the secondary flywheel comprises an upper die 2 fixedly connected with an upper workbench of a press and a lower die 3 fixedly connected with a lower workbench of the press, wherein the lower die 3 is provided with a convex die 4 for mounting a sheet material 1, the upper die 2 is provided with a pressing die 5 for punching the corner of the sheet material 1, the pressing die 5 comprises a punching groove 51, the side wall of the punching groove 51 is in an arc-shaped chamfer arrangement, and the groove depth of the punching groove 51 is smaller than the thickness arrangement of the sheet material 1.

The center of the sheet material 1 is provided with a special-shaped hole 11 for fool-proofing and mistake-proofing, and both sides of the special-shaped hole 11 are provided with through holes 12.

Terrace die 4 includes fixed disk 6 and lifter plate 7, lifter plate 7 with 6 lifts of fixed disk are connected, the center of fixed disk 6 is provided with the confession the perforation 61 that lifter plate 7 passed, lifter plate 7 has two operating position, and first operating position is down: the surface of the lifting disc 7 is flush with the surface of the fixed disc 6; the second working position is as follows: the surface of the lifting disc 7 is arranged to protrude from the surface of the fixed disc 6.

The lifting disc 7 is provided with a special-shaped bulge 71 and a limiting rod 72 which are in limited fit with the special-shaped hole 11.

The lower die 3 comprises a lower die holder 31, and an elastic element 32 is arranged between the lower die holder 31 and the lifting disc 7 in a clamping manner.

The elastic member is a 32-bit nitrogen spring.

The lower die holder 31 further comprises a limiting disc 33 fixedly arranged between the lower die holder 31 and the fixed disc 6, the limiting disc 33 is provided with a sliding chute 34 coaxial with the through hole 61, and the diameter of the sliding chute 34 is larger than that of the through hole 61; the lifting disk 7 is provided with a slider 73 slidably connected to the chute 34.

The upper die 2 is provided with a probe 21 for determining whether the sheet 1 is placed in position, and the probe 21 is arranged in the through hole 12 in a penetrating manner.

The mode of use of example 1 is:

initial state of the lower mold 3: the elastic element 32 is in a natural state, and the lifting disk 7 protrudes out of the upper surface of the fixed disk 6 under the action of the elastic element 32;

the sheet material 1 is placed on the lifting disc 7 by the mechanical arm, the special-shaped hole 11 penetrates through the special-shaped bulge 71 and the limiting rod 72, and the lifting disc 7 is initially limited; the press drives the upper die 2 to descend, the probe 21 judges whether the sheet material 1 is placed in place, if the probe 21 placed in place penetrates through the through hole 12, the pressing die 5 is abutted against the sheet material 1, the elastic piece 32 is compressed along with the continuous descending of the upper die 2, the lifting disc 7 is flush with the surface of the fixed disc 6, and the sheet material 1 is supported by the fixed disc 6; the upper die 2 continues to descend, and the punching groove 51 of the pressing die 5 punches a chamfer angle on the edge of the sheet material 1;

after chamfering of the sheet 1 is finished, the press drives the upper die 2 to ascend, the elastic piece 32 resets along with the ascending of the upper die 2, the lifting disc 7 is jacked, and the chamfered sheet 1 is in semi-suspension, so that the sheet can be conveniently grabbed by a manipulator.

Example 2

As shown in fig. 22, example 2 is based on example 1, with the difference that:

and a fixing component for fixing the upper die 2 and the lower die 3 is arranged between the two dies.

The fixing assembly comprises a connecting rod 81, threaded holes 82 arranged on the side walls of the upper die 2 and the lower die 3, and bolts 83 in threaded connection with the threaded holes 82, wherein the connecting rod 81 is provided with penetrating holes 84 for the rod parts of the bolts 83 to penetrate through.

The penetrating holes 84 are provided with a plurality of penetrating holes 84 along the extending direction of the connecting rod 81 or the penetrating holes 84 are arranged in a long strip shape.

Example 2 differs from example 1 in the use: when the secondary flywheel sheet material chamfering device needs to move, the upper die 2 and the lower die 3 are fixed through the fixing assembly, so that the phenomenon that the upper die 2 jumps during the transportation and moving process and the secondary flywheel sheet material chamfering device is damaged is avoided;

according to the distance between the upper die 2 and the lower die 3, the proper penetrating hole 84 and the proper threaded hole 82 are selected and are screwed through the bolt 83, and the fixation of the position between the upper die 2 and the lower die 3 is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A secondary flywheel is characterized by comprising a folded edge (14), wherein the folded edge (14) and an end corner adjacent to the wheel surface of the secondary flywheel are arranged to form a circular arc-shaped chamfer (13).

2. A secondary flywheel sheet chamfering device for processing a secondary flywheel as claimed in claim 1, comprising an upper die (2) fixedly connected to an upper table of a press and a lower die (3) fixedly connected to a lower table of the press, wherein the lower die (3) is provided with a male die (4) for placing the sheet (1), the upper die (2) is provided with a pressing die (5) for pressing corners of the sheet (1), the pressing die (5) comprises a pressing groove (51), the side wall of the pressing groove (51) is in a circular arc-shaped chamfer arrangement, and the depth of the pressing groove (51) is smaller than the thickness arrangement of the sheet (1).

3. A secondary flywheel sheet chamfering apparatus according to claim 2, wherein said male die (4) comprises a fixed disk (6) and a lifting disk (7), said lifting disk (7) is connected with said fixed disk (6) in a lifting manner, a through hole (61) for passing said lifting disk (7) is provided in the center of said fixed disk (6), said lifting disk (7) has two working positions, a first working position: the surface of the lifting disc (7) is flush with the surface of the fixed disc (6); the second working position is as follows: the surface of the lifting disc (7) protrudes out of the surface of the fixed disc (6).

4. A secondary flywheel sheet chamfering apparatus according to claim 3, wherein said lifting disc (7) is provided with shaped protrusions (71) and limit rods (72) which are in a limiting fit with shaped holes (11) of said sheet (1).

5. The secondary flywheel sheet material chamfering device according to claim 3, wherein the lower die (3) comprises a lower die seat (31), and an elastic piece (32) is clamped between the lower die seat (31) and the lifting disc (7).

6. The secondary flywheel sheet material chamfering device according to claim 5, wherein the lower die base (31) further comprises a limiting disc (33) fixedly arranged between the lower die base (31) and a fixed disc (6), the limiting disc (33) is provided with a sliding groove (34) coaxial with the through hole (61), and the diameter of the sliding groove (34) is larger than that of the through hole (61); the lifting disc (7) is provided with a sliding block (73) which is in sliding connection with the sliding groove (34).

7. The secondary flywheel sheet chamfering apparatus according to claim 2, wherein said upper die (2) is provided with a probe pin (21) for determining whether said sheet (1) is seated or not, said probe pin (21) being inserted into a through hole (12) of said sheet (1).

8. A secondary flywheel sheet chamfering apparatus as claimed in claim 2, wherein a fixing assembly is provided between said upper die (2) and said lower die (3) for fixing the two together.

9. The secondary flywheel sheet chamfering apparatus according to claim 8, wherein the fixing assembly includes a connecting rod (81), threaded holes (82) provided on the side walls of the upper die (2) and the lower die (3), bolts (83) threadedly coupled with the threaded holes (82), the connecting rod (81) being provided with through holes (84) through which the shaft portions of the bolts (83) pass.

10. The secondary flywheel sheet chamfering apparatus according to claim 9, wherein said penetrating holes (84) are provided in a plurality in the extending direction of said connecting bar (81) or said penetrating holes (84) are arranged in a long strip shape.