CN111375672A

CN111375672A - Flywheel cover punching device

Info

Publication number: CN111375672A
Application number: CN201811637038.4A
Authority: CN
Inventors: 万继亮
Original assignee: Jurong Tianwang Auto Parts Manufacturing Co ltd
Current assignee: Jurong Tianwang Auto Parts Manufacturing Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-07-07

Abstract

The application discloses flywheel lid punching device belongs to machine parts processing technology field. The punching assembly comprises an upper punching die and a lower punching die, an upper base plate is arranged on the lower portion of the upper punching die, an upper positioning block is arranged on the lower portion of the upper base plate, a first groove is formed in the bottom surface of the upper positioning block, a lower base plate is arranged on the upper portion of the lower punching die, a lower positioning block is arranged on the upper portion of the lower base plate, and a second groove is formed in the upper surface of the lower positioning block. When punching a hole to the flywheel lid, the flywheel lid that will wait to punch a hole is placed in the second recess on the locating piece down, because the structure of second recess and the lower surface structure looks adaptation of the flywheel lid of waiting to punch a hole, consequently can place the flywheel lid steadily, can not produce and rock, then push down the first recess on the locating piece, can punch a hole to the flywheel lid, the structure of same first recess and the upper surface structure looks adaptation of the flywheel lid of waiting to punch a hole, improve the stability of the in-process structure of punching a hole and the final product precision of making, improve product quality.

Description

Flywheel cover punching device

Technical Field

The application relates to the technical field of machining of mechanical parts, in particular to a punching device for a flywheel cover.

Background

The cover plate of the flywheel vibration reduction system is one of indispensable parts in an automobile, due to the special structure of the cover plate, the cover plate needs to sequentially pass through a blanking and punching process and a shaping process in production and manufacturing, in order to ensure the smooth proceeding of the shaping process, a plurality of positioning holes need to be formed in a workpiece in the blanking and punching process, but the structure of the existing die is unstable in the punching process, so that the finally manufactured product is low in precision and low in quality.

Disclosure of Invention

The application provides a flywheel lid punching device to it is unstable at punching process in-process structure to solve current mould, and the product precision that can lead to finally making is not high usually, and the quality is lower.

A punching device for a flywheel cover comprises a punching component and a base, wherein the punching component is arranged at the upper part of the base, and is connected and fixed through a support rod, the punching assembly comprises an upper punching die and a lower punching die, an upper padding plate is arranged at the lower part of the upper punching die, an upper positioning block is arranged at the lower part of the upper base plate, a first groove is arranged at the bottom surface of the upper positioning block, the structure of the first groove is matched with the structure of the upper surface of the flywheel cover to be punched, a lower base plate is arranged at the upper part of the lower punching die, a lower positioning block is arranged at the upper part of the lower base plate, a second groove is arranged on the upper surface of the lower positioning block, the structure of the second groove is matched with the structure of the lower surface of the flywheel cover to be punched, a punching die rod is arranged on the upper punching die, and the two corresponding ends of the upper punching die and the lower punching die are provided with lifting devices, each lifting device comprises an air cylinder and a lifting rod, and the lifting rods drive the upper punching die to move up and down under the driving of the air cylinders.

Preferably, the upper positioning block corresponds to the lower positioning block in position up and down.

Preferably, the bottom of the upper positioning block and the upper part of the lower positioning block are provided with a plurality of cushions, and the cushions are respectively bonded with the upper positioning block and the lower positioning block.

Preferably, the cushion pad is resilient cotton.

Preferably, rubber layers are attached to the inner walls of the first groove and the second groove, and the thickness of each rubber layer is 0.5-1 mm.

According to the technical scheme, the application provides a flywheel lid punching device, when punching a hole to the flywheel lid, the flywheel lid that will wait to punch a hole is placed in the second recess on the locating piece down, because the structure of second recess and the lower surface structure looks adaptation of the flywheel lid that waits to punch a hole, consequently, can place the flywheel lid steadily, can not produce and rock, then push down the first recess on the locating piece, can punch a hole to the flywheel lid, the structure of same first recess and the upper surface structure looks adaptation of the flywheel lid that waits to punch a hole, the stability of the in-process structure that improves and the final product precision of making that punches a hole, the product quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of a flywheel cover punching device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a punching assembly in a flywheel cover punching device according to an embodiment of the present application.

Wherein: 10-punching component, 101-upper die, 1011-upper backing plate, 1012-upper positioning block, 1013-first groove, 1014-die rod, 102-lower die, 1021-lower backing plate, 1022-lower positioning block, 1023-second groove, 103-buffer pad, 30-lifting device, 301-cylinder and 302-lifting rod.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and 2, a flywheel cover punching device comprises a punching assembly 10 and a base 20, wherein the punching assembly 10 is arranged at the upper part of the base 20 and is fixedly connected through a support rod 201, the punching assembly 10 comprises an upper die 101 and a lower die 102, an upper pad 1011 is arranged at the lower part of the upper die 101, an upper positioning block 1012 is arranged at the lower part of the upper pad 1011, a first groove 1013 is arranged at the bottom surface of the upper positioning block 1012, the structure of the first groove 1013 is matched with the structure of the upper surface of a flywheel cover to be punched, a lower pad 1021 is arranged at the upper part of the lower die 102, a lower positioning block 1022 is arranged at the upper part of the lower pad 1021, a second groove 1023 is arranged at the upper surface of the lower positioning block 1022, the structure of the second groove 1023 is matched with the structure of the lower surface of the flywheel cover to be punched, a die rod is arranged on the upper die 101, and lifting devices 30 are arranged at two corresponding ends, the lifting device 30 comprises an air cylinder 301 and a lifting rod 302, and the lifting rod 302 drives the upper die 101 to move up and down under the driving of the air cylinder 301.

According to the technical scheme, the utility model provides a flywheel lid punching device, when punching a hole to the flywheel lid, the flywheel lid that will wait to punch a hole is placed in second recess 1023 on locating piece 1022 down, because the structure of second recess 1023 and the lower surface structure looks adaptation of the flywheel lid that waits to punch a hole, consequently, can place the flywheel lid steadily, can not produce and rock, then push down first recess 1013 on the last locating piece 1012, can punch a hole to the flywheel lid, the structure of same first recess 1013 and the upper surface structure looks adaptation of the flywheel lid that waits to punch a hole, the stability of the in-process structure of punching a hole and the final product precision of making are improved, the product quality is improved.

Referring to fig. 2, the upper positioning block 1012 and the lower positioning block 1022 are located at upper and lower positions. The design can improve the punching precision of the flywheel cover and improve the punching quality of the flywheel cover.

Referring to fig. 2, a plurality of cushions 103 are disposed at the bottom of the upper positioning block 1012 and at the upper portion of the lower positioning block 1022, the cushions 103 are respectively bonded to the upper positioning block 1012 and the lower positioning block 1022, and the cushions 103 are made of elastic cotton. The buffer pad 103 can reduce the shock impact on the upper positioning block 1012 and the lower positioning block 1022 during punching, thereby improving the stability of punching the flywheel cover.

Rubber layers are attached to the inner walls of the first groove 1013 and the second groove 1023, and the thickness of each rubber layer is 0.5-1 mm. The rubber layer can increase the friction between flywheel lid and first recess 1013 and second recess 1023, avoids the flywheel lid to appear sliding, improves the stability of punching a hole.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The flywheel cover punching device is characterized by comprising a punching assembly (10) and a base (20), wherein the punching assembly (10) is arranged on the upper portion of the base (20) and fixedly connected through a supporting rod (201), the punching assembly (10) comprises an upper punching die (101) and a lower punching die (102), an upper base plate (1011) is arranged on the lower portion of the upper punching die (101), an upper positioning block (1012) is arranged on the lower portion of the upper base plate (1011), a first groove (1013) is formed in the bottom surface of the upper positioning block (1012), the structure of the first groove (1013) is matched with the upper surface structure of a flywheel cover to be punched, a lower base plate (1021) is arranged on the upper portion of the lower punching die (102), a lower positioning block (1022) is arranged on the upper portion of the lower base plate (1021), a second groove (1023) is arranged on the upper surface of the lower positioning block (1022), and the structure of the second groove (1023) is matched with the lower surface structure of, the stamping die is characterized in that a stamping die rod (1014) is arranged on the upper stamping die (101), lifting devices (30) are arranged at two corresponding ends of the upper stamping die (101) and the lower stamping die (102), each lifting device (30) comprises an air cylinder (301) and a lifting rod (302), and the lifting rods (302) drive the upper stamping die (101) to move up and down under the driving of the air cylinders (301).

2. The flywheel cover punching device according to claim 1, wherein the upper positioning block (1012) and the lower positioning block (1022) correspond in position up and down.

3. The flywheel cover punching device according to claim 2, wherein a plurality of cushion pads (103) are arranged at the bottom of the upper positioning block (1012) and the upper part of the lower positioning block (1022), and the cushion pads (103) are respectively bonded with the upper positioning block (1012) and the lower positioning block (1022).

4. A flywheel cover punching apparatus according to claim 3, characterized in that the cushioning pad (103) is resilient cotton.

5. The flywheel cover punching device according to claim 1, wherein a rubber layer is adhered to the inner walls of the first groove (1013) and the second groove (1023), and the thickness of the rubber layer is 0.5-1 mm.