CN212884639U - Forming die for processing silicon bronze nut and bolt - Google Patents

Abstract

The utility model relates to a nut and bolt processing correlation technique field, in particular to a forming die for silicon bronze nut and bolt processing, which comprises a positioning die and a stamping die, wherein the positioning die is fixedly arranged on a workbench of a punch press, the stamping die is fixedly arranged on a telescopic structure of a driving electric cylinder of the punch press, a stamping die groove is arranged on the upper surface of the positioning die, the bottom surface of the stamping die groove is provided with a primary notch, the lower end of the primary notch is provided with a secondary notch, the lower end of the secondary notch is provided with an air cavity, and the upper top surface of the air cavity is provided with a guide rod groove; set up one-level notch and second grade notch through in positioning die's stamping die groove to set up the air cavity at the lower extreme of second grade notch, and be connected the air inlet in the air cavity through the gas pipe with the gas vent of air pump, thereby carry out the mould unloading operation through the effect of atmospheric pressure, it is compared and utilizes the thimble to unload the mould in the tradition, and the protection formed part that just can be better, thereby guarantees the quality of formed part.

Description

Forming die for processing silicon bronze nut and bolt

Technical Field

The utility model relates to a nut and bolt processing correlation technique field specifically is a forming die for processing of silicon bronze nut and bolt.

Background

Both the bolt and the nut belong to mechanical connectors, both of which are usually used in cooperation, and the casting process of the nut usually includes four stages of a press forming process of the nut, a tapping process (machining threads), a heat treatment process (generally, a heat treatment is required for a higher-grade nut, and a heat treatment process is not required for a lower-grade nut) and a surface treatment process, but the conventional nut has a problem that after the press forming process, the mould taking process of the nut body is very troublesome, and the ejector pins are arranged in some moulds, but the nut has small volume, the pin is usually also small, resulting in a small contact surface with the nut, so that when it acts on the surface of the nut, it leaves the indentation on the nut surface very easily to influence the product quality of nut, for this reason, the utility model provides a forming die for processing of silicon bronze nut bolt is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forming die for processing of silicon bronze nut and bolt to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a forming die for processing of silicon bronze nut bolt, includes positioning die and stamping die, positioning die fixed mounting is on the workstation of punch press, and stamping die fixed mounting is on the extending structure of the driving electric jar of punch press, the stamping die groove has been seted up to positioning die's upper surface, the bottom surface of stamping die groove is provided with the one-level notch, the second grade notch has been seted up to the lower extreme of one-level notch, the air cavity has been seted up to the lower extreme of second grade notch, and the last top surface of air cavity has seted up the guide bar groove, and the lower fixed surface of air cavity is provided with flexible electric jar, the telescopic link upper end fixed mounting of flexible electric jar has the mounting panel, fixed welding has second grade ejector pin and guide arm on the mounting panel, and the fixed welding in.

Preferably, six are respectively arranged on the second-stage ejector rod and the second-stage notch, the sizes and the positions of the second-stage ejector rod and the second-stage notch are correspondingly arranged, the sizes and the positions of the first-stage ejector rod and the first-stage notch correspond to each other, and the size and the position of the guide rod correspond to those of the guide rod groove.

Preferably, the diameter of the primary ejector rod is smaller than that of the secondary ejector rod, and the upper surface of the primary ejector rod is flush with the bottom surface of the notch of the stamping die cavity when the telescopic electric cylinder moves to the uppermost end.

Preferably, when the telescopic electric cylinder returns to the lowest end, the lower end of the first-stage ejector rod is lower than the lower end of the first-stage notch, and the lower end of the second-stage ejector rod is lower than the lower end of the second-stage notch.

Preferably, the side wall of the air cavity is provided with an air inlet, and the air inlet is connected with an air outlet of the air pump through an air pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the primary notch and the secondary notch are arranged in the stamping die cavity of the positioning die, the air cavity is arranged at the lower end of the secondary notch, and the air inlet in the air cavity is connected with the air outlet of the air pump through the air pipe, so that the die unloading operation is performed under the action of air pressure;

2. through set up flexible electric jar in the air cavity to set up the mounting panel on the telescopic link of flexible electric jar, and set up on the mounting panel with second grade notch and the identical second grade ejector pin of one-level notch size and one-level ejector pin, thereby guarantee through it that the notch bottom surface in punching press die cavity is a complete plane, thereby guarantee the surperficial parallel and level degree of formed part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a half sectional view of the positioning mold of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is an effect diagram of the telescopic electric cylinder of the present invention during the return stroke;

fig. 5 is an enlarged view of a structure shown in fig. 4.

In the figure: the device comprises a positioning die 1, a stamping die cavity 2, a primary notch 3, a secondary notch 4, an air cavity 5, a guide rod groove 6, an air inlet 7, a telescopic electric cylinder 8, a mounting plate 9, a secondary ejector rod 10, a primary ejector rod 11, a guide rod 12 and a nut 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a forming die for processing of silicon bronze nut bolt, including positioning die 1 and stamping die, 1 fixed mounting of positioning die is on the workstation of punch press, and stamping die fixed mounting is on the extending structure of the driving electric jar of punch press, stamping die 2 has been seted up to positioning die 1's upper surface, stamping die 2's bottom surface is provided with one-level notch 3, second grade notch 4 has been seted up to one-level notch 3's lower extreme, air cavity 5 has been seted up to second grade notch 4's lower extreme, and guide bar groove 6 has been seted up to the last top surface of air cavity 5, and the fixed surface of air cavity 5 is provided with flexible electric jar 8, flexible electric jar 8's telescopic link upper end fixed mounting panel 9, fixed welding has second grade ejector pin 10 and guide pin 12 on mounting panel 9, and the fixed welding in upper end of second.

Furthermore, six secondary ejector rods 10 and six secondary notches 4 are formed, the sizes and the positions of the two secondary ejector rods are correspondingly arranged, the sizes and the positions of the primary ejector rods 11 and the primary notches 3 are correspondingly arranged, and the sizes and the positions of the guide rods 12 correspond to those of the guide rod grooves 6;

further, the diameter of the first-stage ejector rod 11 is smaller than that of the second-stage ejector rod 10, when the first-stage ejector rod 11 moves to the uppermost end of the telescopic electric cylinder 8, the upper surface of the first-stage ejector rod 11 is flush with the bottom surface of the notch of the stamping die cavity 2, the telescopic electric cylinder 8 is arranged in the air cavity 5, the mounting plate 9 is arranged on the telescopic rod of the telescopic electric cylinder 8, and the second-stage ejector rod 10 and the first-stage ejector rod 11 which are matched with the sizes of the second-stage notch 4 and the first-stage notch 3 are arranged on the mounting plate 9, so that the bottom surface of the notch of the stamping die cavity 2 is ensured to be a complete plane through the first-stage;

further, when the telescopic electric cylinder 8 returns to the lowest end, the lower end of the primary ejector rod 11 is lower than the lower end of the primary notch 3, and the lower end of the secondary ejector rod 10 is lower than the lower end of the secondary notch 4;

furthermore, an air inlet 7 is formed in the side wall of the air cavity 5, the air inlet 7 is connected with an air outlet of the air pump through an air pipe, a primary notch 3 and a secondary notch 4 are arranged in the stamping die cavity 2 of the positioning die, the air cavity 5 is arranged at the lower end of the secondary notch 4, and the air inlet 7 in the air cavity 5 is connected with the air outlet of the air pump through the air pipe, so that the die unloading operation is performed under the action of air pressure, compared with the traditional mode of unloading by using an ejector pin, the air cavity can better protect a formed part, and the quality of the formed part is ensured;

the working principle is as follows: in practical use, after the section is formed in the stamping die cavity 2, a worker drives the telescopic electric cylinder 8 to return, thereby driving the mounting plate 9 to move downwards, and in the process of moving the mounting plate 9 downwards, the secondary ejector rod 10, the primary ejector rod 11 and the guide rod 12 all move downwards, when the telescopic electric cylinder 8 returns to the lowest end, a worker starts the air pump, so that the gas is pumped into the gas chamber 5 through the gas pipe, and the gas pressure inside the gas chamber 5 rises during the continuous feeding of the gas, because the lower end of the first-stage ejector rod 11 is lower than the lower end of the first-stage notch 3, and the lower end of the second-stage ejector rod 10 is lower than the lower end of the second-stage notch 4, and the second-stage ejector rod, gas can pass through the secondary notch 4 and the primary notch 3 to jack the nut 13, and the jacked nut 13 is clamped and conveyed to the conveying mechanism under the action of the clamping mechanism and conveyed to the next station for further processing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a forming die for processing of silicon bronze nut and bolt, includes positioning die (1) and stamping die, its characterized in that: the positioning die (1) is fixedly arranged on a workbench of the punch press, the stamping die is fixedly arranged on a telescopic structure of a driving electric cylinder of the punch press, the upper surface of the positioning die (1) is provided with a stamping die groove (2), the bottom surface of the stamping die groove (2) is provided with a primary notch (3), the lower end of the primary notch (3) is provided with a secondary notch (4), the lower end of the secondary notch (4) is provided with an air cavity (5), a guide rod groove (6) is arranged on the upper top surface of the air cavity (5), a telescopic electric cylinder (8) is fixedly arranged on the lower surface of the air cavity (5), the upper end of a telescopic rod of the telescopic electric cylinder (8) is fixedly provided with a mounting plate (9), a secondary ejector rod (10) and a guide rod (12) are fixedly welded on the mounting plate (9), and the upper end of the second-stage ejector rod (10) is fixedly welded with a first-stage ejector rod (11).

2. The forming die for processing the silicon bronze nut and bolt according to claim 1, wherein the forming die comprises: six have all been seted up with second grade notch (4) second grade ejector pin (10), and its size and position between them are corresponding setting, the size and the position homogeneous phase of one-level ejector pin (11) and one-level notch (3) correspond, the size and the position of guide arm (12) and the size and the position of guide arm groove (6) are corresponding.

3. The forming die for processing the silicon bronze nut and bolt according to claim 2, wherein the forming die comprises: the diameter of the first-stage ejector rod (11) is smaller than that of the second-stage ejector rod (10), and the upper surface of the first-stage ejector rod (11) is flush with the bottom surface of the notch of the stamping die cavity (2) when the telescopic electric cylinder (8) advances to the uppermost end.

4. The forming die for processing the silicon bronze nut and bolt according to claim 1, wherein the forming die comprises: when the telescopic electric cylinder (8) returns to the lowest end, the lower end of the first-stage ejector rod (11) is lower than the lower end of the first-stage notch (3), and the lower end of the second-stage ejector rod (10) is lower than the lower end of the second-stage notch (4).

5. The forming die for processing the silicon bronze nut and bolt according to claim 1, wherein the forming die comprises: an air inlet (7) is formed in the side wall of the air cavity (5), and the air inlet (7) is connected with an air outlet of the air pump through an air pipe.

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