CN206392691U - Cylinder head gasket diel - Google Patents

Abstract

A stamping die for a cylinder head gasket, comprising a lower die installed on a lower template, a mold base installed under an upper template, a number of mounting hole punches installed at the lower end of the mold base, and a plurality of mounting hole punches located at the lower end of the mold base and slidably inserted into the installation The pressure plate on the hole punch and two cylinder hole punches I, each cylinder hole punch I outer end is provided with a cylinder hole punch II. The pressure plate first presses the cylinder head gasket on the lower die, and then each installation hole punch moves downward to punch the installation hole for the cylinder head gasket, and then the cylinder hole punch driving mechanism drives the cylinder hole punch I and the cylinder hole punch Head II moves downward synchronously. Since the lower plane of cylinder hole punch II is lower than that of cylinder hole punch I, cylinder hole punch II first punches the cylinder hole on the outer end of the cylinder head gasket, and then punches the cylinder hole. Head I punches the cylinder hole on the inner side of the cylinder head gasket. Since the mounting hole, outer cylinder hole and inner cylinder hole are stamped in stages, the punching force of the punching machine can be reduced, and the service life of the mold can be effectively improved.

Description

Cylinder head gasket stamping die

technical field

The utility model relates to the stamping field, in particular to a cylinder head gasket stamping die.

Background technique

Since it is impossible to be absolutely flat between the engine block and the cylinder head, a cylinder head gasket is required to prevent high-pressure gas, lubricating oil and cooling water from escaping from between them. The cylinder head gasket is punched by a mold. Since the cylinder head gasket not only has multiple cylinder holes corresponding to the engine pistons, but also has a large number of mounting holes around it, the traditional stamping die punches the cylinder at the same time. When punching holes and mounting holes, the punching machine needs to provide greater pressure, so it is necessary to use a punching machine with a larger tonnage, and at the same time, the higher punching and shearing force will affect the service life of the mold.

Contents of the invention

In order to overcome the deficiencies of the above technologies, the utility model provides a stamping die for the cylinder head gasket that reduces the punching force of the punching press by stamping the cylinder holes on the cylinder head gasket in stages.

The technical solution adopted by the utility model to overcome its technical problems is:

A stamping die for a cylinder head gasket, comprising a lower template and an upper template, guide rods are vertically installed on the left and right sides of the lower template, guide sleeves are installed on the upper template, and each guide rod is slidably inserted into the corresponding The guide sleeve also includes a lower mold installed on the lower template, a mold base installed under the upper template, a number of installation hole punches installed at the lower end of the mold base, and a plurality of installation hole punches located at the lower end of the mold base and slidingly inserted on the installation hole punches. The pressure plate and two cylinder hole punches I, the cylinder head gasket is placed in the cavity of the lower die, and the outer end of each cylinder hole punch I is equipped with cylinder hole punch II, cylinder hole punch I and cylinder hole punch The lower end of the head II is slidingly inserted into the pressure plate, and the lower die is respectively provided with holes I, II and III that match the installation hole punch, cylinder hole punch I and cylinder hole punch II, and the die base There is a cylinder hole punch driving mechanism on the top, the upper ends of cylinder hole punch I and cylinder hole punch II are connected to the cylinder hole punch driving mechanism, the upper end of spring I is fixed on the mold base, and the lower end is fixed on the pressure plate. When the spring I is in a free state, the lower plane of the pressure plate is lower than the lower plane of the mounting hole punch, the lower plane of the mounting hole punch is lower than the lower plane of the cylinder hole punch II, and the lower plane of the cylinder hole punch II is lower than the cylinder The lower plane of the hole punch I, when the punch slider drives the upper template to move downward, the cylinder hole punch driving mechanism drives the cylinder hole punch I and the cylinder hole punch II to move downward synchronously.

The cylinder hole punch drive mechanism includes a chute horizontally arranged in the mold base, wedges II which are relatively slidingly inserted on both sides of the chute through T-shaped guide rails, and wedges I are respectively installed on the inner ends of the guide sleeves. , the spring III set on the cylinder hole punch I and the spring IV set on the cylinder hole punch II, the upper end of the spring III is fixed on the cylinder hole punch I, and the lower end is fixed on the pressure plate, the spring The upper end of IV is fixed on the cylinder hole punch II, and the lower end is fixed on the pressure plate. There is a spring II between the two wedges II. The upper end surfaces of the cylinder hole punch I and the cylinder hole punch II are in contact with the guide inclined surface of the wedge II corresponding to the upper end. When the upper plate moves downward, the wedge I drives the wedge II to move horizontally inward, and the wedge Ⅱ drives cylinder hole punch Ⅰ and cylinder hole punch Ⅱ to move downward.

The beneficial effect of the utility model is: the position of the lower plane of the pressing plate is the lowest, so the pressing plate first presses the cylinder head gasket on the lower die, at this time, the spring I is compressed, and then the punches of each mounting hole move downward to the cylinder head gasket Punch the installation hole, then the cylinder hole punch driving mechanism drives cylinder hole punch I and cylinder hole punch II to move downward synchronously, because the lower plane of cylinder hole punch II is lower than the lower plane of cylinder hole punch I, so Cylinder hole punch II first punches the cylinder hole on the outer end of the cylinder head gasket, and then cylinder hole punch I punches the cylinder hole on the inner end of the cylinder head gasket, because the mounting hole, the outer cylinder hole and the inner cylinder hole are stamped in stages Therefore, the punching force of the punching machine can be reduced, and the service life of the mold can be effectively improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the mold base of the present utility model;

In the figure, 1. Lower template 2. Upper template 3. Guide sleeve 4. Guide rod 5. Die seat 6. Slide groove 7. Press plate 8. Spring Ⅰ 9. Lower mold 10. Wedge Ⅰ 11. Wedge Ⅱ 12. Spring Ⅱ 13. Mounting hole punch 14. Cylinder hole punch Ⅰ 15. Cylinder hole punch Ⅱ 16. Cylinder head gasket 17. Spring Ⅲ 18. Spring Ⅳ 19. Hole Ⅰ 20. Hole Ⅱ 21. Hole Ⅲ 22.T Type rail.

detailed description

Below in conjunction with accompanying drawing 1, accompanying drawing 2 the utility model is described further.

A stamping die for a cylinder head gasket, comprising a lower template 1 and an upper template 2, guide rods 4 are vertically installed on the left and right sides of the lower template 1, guide sleeves 3 are installed on the upper template 2, and each guide rod 4 is slidably inserted In the corresponding guide sleeve 3, it also includes a lower mold 9 installed on the lower template 1, a mold base 5 installed under the upper template 2, a number of mounting hole punches 13 installed at the lower end of the mold base 5, and a mold base 5 located at the lower end of the mold base 5. The lower end is slidingly inserted into the pressure plate 7 on the mounting hole punch 13 and the two cylinder hole punches I 14, the cylinder head gasket 16 is placed in the cavity of the lower die 9, and the outer end of each cylinder hole punch I 14 Cylinder hole punch II 15 is provided, cylinder hole punch I 14 and the lower end of cylinder hole punch II 15 are respectively slid and inserted into the pressure plate 7, and the lower die 9 is respectively provided with the installation hole punch 13 and the cylinder hole punch I 14 and cylinder hole punch II 15 match hole I 19, hole II 20 and hole III 21, the mold base 5 is provided with a cylinder hole punch driving mechanism, cylinder hole punch I 14 and cylinder hole punch II 15 The upper ends are connected to the driving mechanism of the cylinder hole punch, the upper end of the spring I 8 is fixed on the mold base 5, and the lower end is fixed on the pressure plate 7, when the spring I 8 is in a free state, the lower plane of the pressure plate 7 is lower than the installation hole punch The lower plane of 13, the lower plane of the mounting hole punch 13 is lower than the lower plane of the cylinder hole punch II 15, the lower plane of the cylinder hole punch II 15 is lower than the lower plane of the cylinder hole punch I 14, when the punch slider When driving the upper template 2 to move downward, the cylinder hole punch driving mechanism drives the cylinder hole punch I 14 and the cylinder hole punch II 15 to move downward synchronously. When the slider of the punch press moves downward, it drives the upper template 2 to move downward along the guide rod 4 through the guide sleeve 3. Since the lower plane position of the pressing plate 7 is the lowest, the pressing plate 7 first presses the cylinder head gasket 16 tightly. On the lower mold 9, at this time, the spring I 8 is compressed, and then each mounting hole punch 13 moves downward to punch the mounting hole for the cylinder head gasket 16, and then the cylinder hole punch driving mechanism drives the cylinder hole punch I 14 and the cylinder head gasket 16. The hole punch II 15 moves downward synchronously. Since the lower plane of the cylinder hole punch II 15 is lower than the lower plane of the cylinder hole punch I 14, the cylinder hole punch II 15 punches the cylinder head gasket 16 at the outer end first. After that, the cylinder hole punch I 14 punches the cylinder hole on the inner side of the cylinder head gasket 16. Since the installation hole, the outer cylinder hole and the inner cylinder hole are stamped in stages, the punching force of the punching machine can be reduced, and the cylinder hole can be effectively improved. The service life of the mold, after the punching is finished, the slider of the punching machine moves upwards, and the spring I 8 drives the pressing plate 7 to reset, which is convenient for the next punching.

The driving mechanism of the cylinder hole punch can have the following structure, which includes the chute 6 horizontally arranged in the mold base 5, the wedge block II 11 and the guide sleeve 3 that are relatively slidingly inserted on both sides of the chute 6 through the T-shaped guide rail 22 The inner ends of the wedges are installed with wedge I10, spring III 17 set on the cylinder hole punch I 14 and spring IV 18 set on the cylinder hole punch II 15, and the upper end of the spring III17 is fixed on the cylinder hole punch I 14 upper, its lower end is fixed on the pressure plate 7, the upper end of the spring IV 18 is fixed on the cylinder hole punch II 15, and its lower end is fixed on the pressure plate 7, and the spring II 12 is arranged between the two wedges II 11, and the wedge II 11 The outer end surface is in contact with the guide inclined surface of wedge I 10, and the upper end surfaces of cylinder hole punch I 14 and cylinder hole punch II 15 on the same side are in contact with the guide inclined surface of wedge II 11 corresponding to the upper end. 2 When moving downward, wedge Ⅰ 10 drives wedge Ⅱ 11 to move horizontally inwardly, and wedge Ⅱ 11 drives cylinder hole punch Ⅰ 14 and cylinder hole punch Ⅱ 15 to move downward. At this time, spring Ⅱ 12 is compressed, and the wedge The guide slope of block II 11 gradually drives cylinder bore punch I 14 and cylinder bore punch II 15 to move. Cylinder bore punch II 15 first punches the two cylinder bores outside the cylinder head gasket 16, and then follows The cylinder hole punch I 14 punches the two cylinder holes inside the cylinder head gasket 16, and the cylinder hole punch I 14 and the cylinder hole punch II 15 respectively compress the spring III 17 and the spring IV 18 during the downward movement. , so when the punching is completed, the spring III 17 and the spring IV 18 respectively drive the cylinder hole punch I 14 and the cylinder hole punch II 15 to slide upward to realize the reset, and the spring II 12 drives the two wedges II 11 to move outward, for the next punching.

Claims (2)

1. a kind of cylinder head gasket diel, including lower template（1）And cope plate（2）, the lower template（1）The left and right sides It is vertically-mounted respectively to have guide rod（4）, the cope plate（2）On guide pin bushing is installed（3）, each guide rod（4）Slip is plugged in accordingly Guide pin bushing（3）In, it is characterised in that：Also include being installed on lower template（1）On lower mould（9）, be installed on cope plate（2）Lower section Die holder（5）, be installed on die holder（5）Some mounting hole drifts of lower end（13）, positioned at die holder（5）Lower end and slip be plugged in installation Hole drift（13）On pressing plate（7）And two cylinder holes drifts I（14）, cylinder head gasket（16）It is placed in lower mould（9）Die cavity in, Each cylinder holes drift I（14）Outboard end is provided with cylinder holes drift II（15）, cylinder holes drift I（14）And cylinder holes drift II（15）Lower end Slide respectively and be plugged in pressing plate（7）In, lower mould（9）On be respectively arranged with and mounting hole drift（13）, cylinder holes drift I（14）And cylinder Hole drift II（15）The hole I matched（19）, hole II（20）And hole III（21）, the die holder（5）On be provided with cylinder holes drift drive Motivation structure, cylinder holes drift I（14）And cylinder holes drift II（15）Upper end be all connected to cylinder holes drift drive mechanism, spring I（8）On Die holder is fixed at end（5）On, pressing plate is fixed in its lower end（7）On, when spring I（8）During in free state, pressing plate（7）Under Plane is less than mounting hole drift（13）Lower plane, mounting hole drift（13）Lower plane be less than cylinder holes drift II（15）It is lower flat Face, cylinder holes drift II（15）Lower plane be less than cylinder holes drift I（14）Lower plane, when slider of punch drive cope plate（2）To When lower mobile, cylinder holes drift drive mechanism driving cylinder holes drift I（14）And cylinder holes drift II（15）Synchronously move downward.

2. cylinder head gasket diel according to claim 1, it is characterised in that：The cylinder holes drift drive mechanism bag Include and be horizontally placed on die holder（5）In chute（6）, pass through T-shaped guide rail respectively（22）Relative slide is plugged in chute（6）Both sides Voussoir II（11）, the guide pin bushing（3）Medial extremity be separately installed with voussoir I（10）, be set in cylinder holes drift I（14）On spring Ⅲ（17）And it is set in cylinder holes drift II（15）On spring IV（18）, the spring III（17）Upper end be fixed on cylinder holes punching First I（14）On, pressing plate is fixed in its lower end（7）On, the spring IV（18）Cylinder holes drift II is fixed in upper end（15）On, under it Pressing plate is fixed at end（7）On, two voussoirs II（11）Between be provided with spring II（12）, the voussoir II（11）End face outside with Voussoir I（10）Guiding surface be in contact, positioned at the cylinder holes drift I of homonymy（14）And cylinder holes drift II（15）Upper surface with The corresponding voussoir II in upper end（11）Guiding surface be in contact, work as cope plate（2）When moving downward, voussoir I（10）Drive voussoir Ⅱ（11）Level is to medial motion, voussoir II（11）Drive cylinder holes drift I（14）And cylinder holes drift II（15）Move downward.