CN205414132U - Compound mould of blanking of gasket - Google Patents

Abstract

The utility model discloses a compound mould of blanking of gasket, including the die holder, the die holder is connected with the punch -die, is provided with movable stop pin on the fixed plate, is connected with the stripper on the activity stop pin, is provided with on the punch -die towards the macropore terrace die with towards the aperture terrace die, all is connected with the upper die base towards the macropore terrace die with towards the aperture terrace die, and the upper die base is connected with and drives the upper die base drive towards the macropore terrace die with towards the open and shut transmission of mould of aperture terrace die, is provided with the mechanism that pushes away part behind the blanking in the upper die base. This mould is touched for the flip -chip is compound, but autoloading during the punching press, the during operation upper die base is down, by punch -die, blanking die, towards the macropore terrace die, in a state of excitement the aperture terrace die accomplish blanking and punching, make the work piece shaping, work is accomplished the back upper die base and is gone upward, when the top dead center is touch to the kicker, play pole and push pedal to start working, with the work piece follow the blanking die interpolate grow under, the waste material that punches a hole directly falls down, has guaranteed the precision of product, has improved production efficiency.

Description

A blanking composite mold for gasket

technical field

The utility model belongs to the technical field of gasket molds, and relates to a composite blanking mold for gaskets.

Background technique

In recent years, with the development of science and technology, in my country's modern industrial production, molds have shown their unique charm, and about 60% to 90% of zero parts are used in related products in the fields of automobiles, electronics, aerospace and other fields. Parts require molds for machining. Using molds to produce parts can not only manufacture parts of various sizes and shapes according to product requirements, but also has high dimensional accuracy and interchangeability, and high production efficiency. The technological level and technological content of molds have become an important symbol to measure a country's technology and product manufacturing level. To a large extent, it determines product quality, efficiency, new product development capabilities, and determines a country's manufacturing industry. international competitiveness.

At present, there is a single-process mold processing method for gaskets, which is blanking first and then punching. Punching and blanking are carried out separately, requiring two processes, two sets of molds, and two sets of equipment. The mold manufacturing cost is high and the production efficiency is high. Low, and it is not easy to ensure dimensional accuracy, and the operation is inconvenient. In addition, punching-blanking progressive die is also used for processing, but the manufacture of this die is difficult, and the size of the workpiece is not easy to guarantee.

Utility model content

The purpose of the utility model is to provide a gasket blanking compound mold, which solves the problem that the dimension accuracy is not easy to be guaranteed in the mold processing of the gasket.

The technical scheme adopted by the utility model is that a composite punching mold for gaskets includes a lower mold base, a convex and concave mold is connected to the lower mold base, a movable stopper pin is arranged on the fixed plate, and a movable stopper pin is connected to the movable stopper pin. The unloading plate and the convex and concave dies are equipped with punches for punching large holes and punches for punching small holes. Both the punches for punching large holes and the punches for punching small holes are connected to the upper die base. The upper die base is connected to drive the upper die base to drive the punch for punching large holes and the punch for punching small holes The transmission device of the mold, the upper mold base is equipped with a mechanism for pushing the punched parts.

The utility model is also characterized in that,

The upper die base is connected with the blanking die, the large hole punching punch and the small hole punching punch through the punch fixing plate. A punch insert is arranged in the big hole punching punch, and an anti-rotation pin is arranged between the big hole punching punch and the punch insert.

A ejector block and a ejector pin are arranged in the blanking die, and the ejector bar passes through the punch fixing plate, the backing plate and the upper die seat in sequence.

The mechanism for pushing the blanked parts includes a punching rod, which is connected with a mold handle and a push plate in turn. The mold handle and the push plate are located in the upper die base, the punching rod is located on the upper die base, and the push plate is in contact with the ejector rod.

The mold handle and the upper mold base are connected by hexagon socket screws c.

The transmission device is a hydraulic prop, and a guide sleeve is worn on the hydraulic prop, and the guide sleeve is connected with the upper die base.

The punch fixing plate is connected with the upper die base through the inner hexagon screw a.

A fixed plate is arranged between the lower mold base and the convex and concave molds, and the fixed plate is connected with the lower mold base through the hexagon socket head screw b.

A guide post is arranged on the fixed plate, a spring a is set on the guide post, the movable stopper pin is connected with the guide post, a discharge screw is connected between the discharge plate and the fixed plate, and a spring b is sleeved on the discharge screw.

A cylindrical pin and a movable stopper pin b are arranged on the fixed plate.

The utility model has the beneficial effects of a blanking composite die for gaskets:

1) The structure of the mold is simple, the installation is convenient, and the processing cost is greatly reduced.

2) It can realize automatic feeding, which improves the automation degree of the working process.

3) The mold can complete punching and blanking in one process, which improves work efficiency and ensures product quality.

Description of drawings

Fig. 1 is a schematic structural view of a blanking composite mold for a gasket of the present utility model;

Fig. 2 is A-A sectional view among Fig. 1;

Fig. 3 is B-B sectional view among Fig. 1;

Fig. 4 is a schematic diagram of the connection between the large-hole punch and the punch insert in a blanking composite die for a gasket of the present invention;

Fig. 5 is a sectional view of C-C in Fig. 4 .

In the figure, 1. Lower mold base, 2. Hexagon socket head screw b, 3. Guide column, 4. Spring a, 5. Unloading plate, 6. Movable stopper pin a, 7. Hexagon socket head screw a, 8. Guide Set, 9. Upper die base, 10. Punch fixed plate, 11. Top piece block, 12. Ejector rod, 13. Push plate, 14. Hitting rod, 15. Die handle, 16. Hexagon socket screw c, 17. Big hole punch, 18. Backing plate, 19. Small hole punch, 20. Blanking die, 21. Convex die, 22. Fixed plate, 23. Cylindrical pin, 24. Movable stopper pin b, 25. Unloading screw , 26. Spring b, 27. Punch insert, 28. Anti-rotation pin.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model provides a composite punching die for gaskets, as shown in Figures 1 to 4, comprising a lower die base 1, which is connected with a convex and concave die 21, and a movable stopper pin is arranged on the fixed plate 22 6. The movable stopper pin 6 is connected with a discharge plate 5, and the convex and concave dies 21 are provided with a large hole punching punch 17 and a small hole punching punch 19, both of which are connected with the upper die base 9, and the upper die The seat 9 is connected with a transmission device that drives the upper die seat 9 to drive the large hole punching punch 17 and the small hole punching punch 19 to open and close the mold, and the upper die seat 9 is provided with a mechanism for pushing the punched parts;

The upper die base 9 is connected with the blanking die 20, the large hole punching punch 17 and the small hole punching punch 19 through the punch fixing plate 10, the punching die 17 for punching the big hole is provided with a punch insert 27, the punch 17 for punching the big hole and the punch insert Anti-rotation pin 28 is arranged between 27;

The blanking die 20 is provided with an ejector block 11 and a push rod 12, and the ejector rod 12 passes through the punch fixing plate 10, the backing plate 18 and the upper die base 9 in sequence;

The mechanism for pushing the blanked parts includes a punching rod 14, which is connected with a mold handle 15 and a push plate 13 in sequence. , the push plate 13 is in contact with the push rod 12;

Die handle 15 and upper die base 9 are connected by hexagon socket head cap screw c16;

The transmission device is a hydraulic prop, and a guide sleeve 8 is worn on the hydraulic prop, and the guide sleeve 8 is connected with the upper die base 9;

The punch fixing plate 10 is connected with the upper mold base 9 through the hexagon socket head cap screw a7;

A fixed plate 22 is arranged between the lower die base 1 and the convex and concave dies 21, and the fixed plate 22 is connected to the lower die base 1 through the hexagon socket head cap screw b2;

The fixed plate 22 is provided with a guide post 3, the guide post 3 is covered with a spring a4, the movable stopper pin 6 is connected with the guide post 3, and a discharge screw 25 is connected between the discharge plate 5 and the fixed plate 22, and the discharge screw 25 is covered with spring b26;

The fixed plate 22 is provided with a cylindrical pin 23 and a movable stopper pin b24.

Adopt straight pin 23 as guide and be positioned at the same side of strip, straight pin 23 is contained in rear side when feeding from right to left, is used for guaranteeing the correct feeding of strip and the correct position in the mould. Simultaneously, the movable stopper pin b24 is used as a fixed-distance positioning part, and the top of the cylindrical pin 23 is not allowed to exceed the strip after the mold is closed. Limit the strip in two directions in the mold feeding plane;

The structure of the blanking die 20 is an integral type, and the cutting edge of the blanking die 20 is a straight cutting edge. The thickness of the blanking die 20 is the effective cutting edge height, and the cutting edge has no slope. The size remains unchanged, and the material leakage part at the rear end of the cutting edge has a certain slope;

The unloading plate 5 is a snap-press unloading plate, the size of its unloading force determines the elastic element, and the unloading plate 5 in the free state should be 0.3-0.5mm higher than the cutting edge of punch 17 for punching large holes and punch 19 for punching small holes;

Punch 17 for punching large holes and punch 19 for punching small holes are both stepped structures, and the matching part with punch fixing plate 10 is transition fit (H7/m6 or H7/n7);

The die handle 15 is a press-in die handle, the part of the press-in die handle should be matched with the mounting hole at H7/m6, and the guide post and guide sleeve should be matched at H6/h5;

The convex and concave die 21 adopts local quenching of the working part, and the material adopts CrWMn die steel with small quenching deformation.

The utility model uses a compound mold for blanking gaskets as follows: during the work of the mold, the mold is an inverted composite mold, which can automatically feed the material during punching, and the sheet material is blocked by the movable stopper pin 6 on the unloading plate 5 When the material is fed, the hydraulic prop controls the upper mold seat 9 to go down during work. The punch and die 21, the blanking die 20, the large hole punching punch 17, and the small hole punching punch 19 complete the blanking and punching to form the workpiece. After the work is completed, the hydraulic prop 28 controls the upper mold base 9 to go up, and when it goes up to the limit position, the ejector block 11, the ejector rod 12, and the push plate 13 start to work, and the workpiece is pushed out from the blanking die 20 and falls, and the punching waste directly falls to complete the parts. processing.

The utility model relates to a blanking composite mold for gaskets. The mold is an inverted composite mold, which can automatically feed materials during stamping. During work, the hydraulic prop controls the upper mold base 9 to go down, and the convex and concave molds 21, blanking concave molds 20, The punch 17 for punching large holes and the punch 19 for punching small holes complete blanking and punching to form the workpiece. After the work is completed, the hydraulic prop 28 controls the upper mold base 9 to move upward. Start work, the workpiece is released from the blanking die 20 and falls, and the punching waste directly falls, which ensures the accuracy of the product and improves the production efficiency.

Claims (10)

1. the stamping-out composite die of a pad, it is characterised in that；Including die shoe (1), die shoe (1) connects punch-die (21), movable pin stop (6) it is provided with in fixed plate (22), the upper connection of movable pin stop (6) has stripper (5), it is provided with on punch-die (21) and rushes macropore punch (17) and rush Pinhole Punch (19), rush macropore punch (17) and rush Pinhole Punch (19) and be all connected with upper bolster (9), upper bolster (9) connects has driving upper bolster (9) drive rush macropore punch (17) and rush the transmission device of Pinhole Punch (19) folding mould, it is provided with in upper bolster (9) and pushes away the mechanism of part after stamping-out.

The stamping-out composite die of a kind of pad the most according to claim 1, it is characterised in that；Described upper bolster (9) by punch retainer (10) and blanking die (20), rush macropore punch (17) and rush Pinhole Punch (19) and be connected, it is provided with punch insert (27) in rushing macropore punch (17), rushes and between macropore punch (17) and punch insert (27), be provided with stop pin (28).

The stamping-out composite die of a kind of pad the most according to claim 2, it is characterised in that；Being provided with kicker (11) and push rod (12) in described blanking die (20), push rod (12) sequentially passes through punch retainer (10), backing plate (18) and upper bolster (9).

The stamping-out composite die of a kind of pad the most according to claim 3, it is characterised in that；Described push away stamping-out after the mechanism of part include making bar (14), beat and be connected with die shank (15) and push pedal (13) in turn on bar (14), die shank (15) and push pedal (13) are positioned at upper bolster (9), making bar (14) to be positioned on upper bolster (9), push pedal (13) contacts with push rod (12).

The stamping-out composite die of a kind of pad the most according to claim 4, it is characterised in that；Described die shank (15) and upper bolster (9) are connected by soket head cap screw c (16).

The stamping-out composite die of a kind of pad the most according to claim 1, it is characterised in that；Described transmission device is hydraulic prop, and hydraulic prop is installed with guide pin bushing (8), and guide pin bushing (8) is connected with upper bolster (9).

The stamping-out composite die of a kind of pad the most according to claim 1, it is characterised in that；Described punch retainer (10) is connected with upper bolster (9) by soket head cap screw a (7).

The stamping-out composite die of a kind of pad the most according to claim 1, it is characterised in that；Being provided with fixed plate (22) between described die shoe (1) and punch-die (21), fixed plate (22) is connected with die shoe (1) by soket head cap screw b (2).

The stamping-out composite die of a kind of pad the most according to claim 8, it is characterised in that；Guide pillar (3) it is provided with in described fixed plate (22), spring a (4) it is cased with on guide pillar (3), movable pin stop (6) is connected with guide pillar (3), connect between stripper (5) and fixed plate (22) and have unloading bolt (25), unloading bolt (25) is cased with spring b (26).

The stamping-out composite die of a kind of pad the most according to claim 8, it is characterised in that；Straight pin (23) and movable pin stop b (24) it is provided with in described fixed plate (22).