CN217343272U

CN217343272U - Stamping die of quick drawing of patterns is used in auto parts production

Info

Publication number: CN217343272U
Application number: CN202220368879.5U
Authority: CN
Inventors: 代永良
Original assignee: Kunshan Longrui Precision Mould Co ltd
Current assignee: Kunshan Longrui Precision Mould Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-09-02
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to a stamping die technical field just discloses a stamping die of auto parts production with quick drawing of patterns, including die holder and upper die base, the die holder is connected with the lower mould fixed plate through lower welt, the inside of lower mould fixed plate is provided with the die, the upper die base is connected with upper fixing plate through last welt. This auto parts production is with stamping die of fast demoulding, pass through the die holder, the upper die base, lower liner plate, lower mould fixed plate, go up the welt, an upper fixed plate, the die, the terrace die, the bottom outlet, the push rod, the constant head tank, the locating plate, the spring of unloading, the stripper, the flitch, the pull rod, the overhead gage, the limiting plate, the spacing ring, the spacing groove, mutually support between intercommunicating pore and the guiding groove, avoided work piece card mould has been reached, realize the effect of the quick drawing of patterns of work piece, it is behind the die sinking to have solved the mould, the work piece probably cladding is inside drift surface or embedding die, thereby influence the problem of the normal drawing of patterns of work piece.

Description

Stamping die of quick drawing of patterns is used in auto parts production

Technical Field

The utility model relates to a stamping die technical field specifically is a stamping die of quick drawing of patterns is used in auto parts production.

Background

The stamping die is a special process device for processing materials into parts in cold stamping, the stamping die is usually needed in the production process of automobile parts, for example, parts such as wheel hubs or automobile body cover plates need to be used for punching in the forming process, but when the die is closed and the punch enters the female die to a large depth, the workpiece is difficult to demould sometimes in the die opening process, and at the moment, the workpiece can be possibly coated on the surface of the punch and can also be embedded into the female die, so that the continuous production of the parts is influenced, and therefore, the stamping die for quickly demoulding in the production of the automobile parts needs to be provided, and the problem is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stamping die of quick drawing of patterns is used in auto parts production possesses and avoids work piece card mould, realizes the advantage of work piece quick drawing of patterns, has solved the mould behind the die sinking, and the work piece may be the cladding inside drift surface or embedding die to influence the problem of the normal drawing of patterns of work piece.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a stamping die for rapid demoulding for automobile part production comprises a lower die holder and an upper die holder, wherein the lower die holder is connected with a lower die fixing plate through a lower lining plate, a female die is arranged inside the lower die fixing plate, the upper die holder is connected with an upper die fixing plate through an upper lining plate, a male die is arranged inside the upper die fixing plate, a bottom hole is formed in the bottom of the upper die fixing plate, a push rod is movably connected inside the bottom hole, the top of the push rod is fixedly connected with a positioning plate, a positioning groove is formed in the inner top wall of the bottom hole, the positioning plate is located inside the positioning groove, the positioning plate is connected with the inner top wall of the positioning groove through a discharging spring, a discharging plate is fixedly connected to the bottom end of the push rod, a pull rod is arranged at the bottom of the discharging plate, a material returning plate is arranged at the top of the lower die fixing plate, and a through groove is formed in the center of the material returning plate, the die is located the inside in groove, the intercommunicating pore has been seted up at the top of material returned board, the top groove has been seted up at the top of lower mould fixed plate, the bottom of pull rod is passed the intercommunicating pore and is extended to the inside in top groove, the spacing groove has been seted up to the side surface in top groove, the bottom fixedly connected with limiting plate of pull rod, the limiting plate is located the inside in spacing groove, the fixed spacing ring that has cup jointed of side surface of pull rod, the orientation groove has been seted up to the interior roof of spacing groove.

Preferably, the locating slot is a cylindrical groove, the locating plate is a circular plate, the side surface of the circular plate is attached to the inner wall of the cylindrical groove, and the push rod can only move up and down under the cooperation of the locating plate and the locating slot, so that the lateral deflection of the push rod is avoided, and the effect of preventing the lateral movement of the discharging plate is achieved.

Preferably, the top end of the discharging spring is fixedly connected with the inner top wall of the positioning groove, the bottom end of the discharging spring is fixedly connected with the top of the positioning plate, and the discharging spring provides downward thrust for the discharging plate through the push rod, so that the workpiece coated on the male die is forced to move downwards, and discharging operation is achieved.

Preferably, the diameter corresponding to the limiting plate is smaller than the diameter corresponding to the top groove, so that the maximum stroke of the pull rod is limited, and the effect of preventing the pull rod from being separated from the lower die fixing rod is achieved.

Preferably, the shape of the limiting ring is the same as the shape corresponding to the cross section of the directional groove, but the size of the limiting ring is smaller than the size corresponding to the cross section of the limiting groove, and under the action of the limiting ring, after the pull rod moves upwards to a certain height, the limiting ring can penetrate through the directional groove and abut against the bottom of the stripper plate, so that the stripper plate is pulled upwards, and further, a workpiece embedded in the female die is forced to move upwards, and the workpiece is stripped.

Preferably, the distance between the limiting ring and the bottom end of the pull rod is one sixth of the distance between the limiting ring and the top end of the pull rod.

Compared with the prior art, the utility model provides a stamping die of quick drawing of patterns is used in auto parts production possesses following beneficial effect:

1. this auto parts production is with stamping die of fast demoulding, pass through the die holder, the upper die base, lower liner plate, lower mould fixed plate, go up the welt, an upper fixed plate, the die, the terrace die, the bottom outlet, the push rod, the constant head tank, the locating plate, the spring of unloading, the stripper, the flitch, the pull rod, the overhead gage, the limiting plate, the spacing ring, the spacing groove, mutually support between intercommunicating pore and the guiding groove, avoided work piece card mould has been reached, realize the effect of the quick drawing of patterns of work piece, it is behind the die sinking to have solved the mould, the work piece probably cladding is inside drift surface or embedding die, thereby influence the problem of the normal drawing of patterns of work piece.

2. This stamping die of quick drawing of patterns is used in auto parts production, through the die holder, the upper die base, lower liner plate, lower mould fixed plate, go up the welt, an upper fixing plate, the die, the terrace die, the bottom outlet, the push rod, the constant head tank, the locating plate, the spring of unloading, the stripper, the material returned board, the pull rod, the overhead gage, the limiting plate, the spacing ring, the spacing groove, mutually supporting between intercommunicating pore and the oriented slot, the effect of the auxiliary workpiece location of being convenient for has been reached, before compound die punching press has been solved, work piece relative position takes place the skew, thereby influence work piece processingquality problem.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of the structure of the limiting ring of the present invention.

Wherein: 1. a lower die holder; 2. an upper die holder; 3. a lower liner plate; 4. a lower die fixing plate; 5. an upper lining plate; 6. an upper die fixing plate; 7. a female die; 8. a male die; 9. a bottom hole; 10. a push rod; 11. positioning a groove; 12. positioning a plate; 13. a discharge spring; 14. a stripper plate; 15. a material returning plate; 16. a pull rod; 17. a top groove; 18. a limiting plate; 19. a limiting ring; 20. a limiting groove; 21. a communicating hole; 22. and (4) orienting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, a stamping die for rapid demoulding for producing automobile parts comprises a lower die holder 1 and an upper die holder 2, wherein the lower die holder 1 is connected with a lower die fixing plate 4 through a lower lining plate 3, the bottom of the lower lining plate 3 is fixedly connected with the top of the lower die holder 1 through a fastening pin, a female die 7 is arranged inside the lower die fixing plate 4, a lower die mounting groove is arranged at the center of the lower die fixing plate 4, the female die 7 is arranged inside the lower die mounting groove through a pin, the upper die holder 2 is connected with an upper die fixing plate 6 through an upper lining plate 5, the top of the upper lining plate 5 is fixedly connected with the bottom of the upper die holder 2 through a fastening screw, a male die 8 is arranged inside the upper die fixing plate 6, an upper die mounting groove is arranged at the center of the upper die fixing plate 6, the male die 8 is arranged inside the upper die mounting groove through a pin, the bottom of the upper die fixing plate 6 is provided with a bottom hole 9, the quantity of bottom outlet 9 is total two, the central line that goes up die holder 2 is symmetry axis symmetric distribution, the inside swing joint of bottom outlet 9 has push rod 10, each bottom outlet 9 all is furnished with a push rod 10, the top fixedly connected with locating plate 12 of push rod 10, each push rod 10 all is furnished with a locating plate 12, constant head tank 11 has been seted up to the interior roof of bottom outlet 9, locating plate 12 is located the inside of constant head tank 11, constant head tank 11 is the columnar order groove, locating plate 12 is the circular slab, the side surface of circular slab and the inner wall laminating in columnar order groove.

The positioning plate 12 is connected with the inner top wall of the positioning groove 11 through a discharging spring 13, the top end of the discharging spring 13 is fixedly connected with the inner top wall of the positioning groove 11, the bottom end of the discharging spring 13 is fixedly connected with the top of the positioning plate 12, at the moment, the discharging spring 13 is in a compressed state, the bottom end of the push rod 10 is fixedly connected with a discharging plate 14, the bottom of the discharging plate 14 is provided with two pull rods 16, the number of the pull rods 16 is two, the two pull rods are symmetrically distributed by taking the central line of the discharging plate 14 as a symmetry axis, the top of the lower die fixing plate 4 is provided with a material returning plate 15, the material returning plate 15 is not fixedly connected with the lower die fixing plate 4, the two pull rods can move in a directional manner, the center of the material returning plate 15 is provided with a through groove, the female die 7 is positioned inside the through groove, the top of the female die 7 is flush with the top of the material returning plate 15, the top of the material returning plate 15 is provided with a communication hole 21, the top of the lower die fixing plate 4 is provided with a top groove 17, and the bottom end of the pull rod 16 passes through the communication hole 21 and extends to the inside of the top groove 17, each pull rod 16 is provided with one top groove 17 corresponding to the top groove, a limiting groove 20 is formed in the side surface of each top groove 17, a limiting plate 18 is fixedly connected to the bottom end of each pull rod 16, each limiting plate 18 is located inside each limiting groove 20, the diameter corresponding to each limiting plate 18 is smaller than the diameter corresponding to each top groove 17, a limiting ring 19 is fixedly sleeved on the side surface of each pull rod 16, the length of the limiting ring 19, which is far away from the bottom end of each pull rod 16, is one sixth of the length of the limiting ring 19, which is far away from the top end of each pull rod 16, an oriented groove 22 is formed in the inner top wall of each limiting groove 20, the shape of each limiting ring 19 is the same as the shape corresponding to the cross section of the oriented groove 22, and the size of each limiting ring 19 is smaller than the size corresponding to the cross section of each limiting groove.

Before the die assembly, a workpiece is placed on the top of the stripper plate 15, the workpiece is moved to a proper position, the upper die holder 2 is controlled to move downwards to carry out die assembly, in the die assembly process, the bottom of the stripper plate 14 abuts against the top of the workpiece, the stripper spring 13 is abutted against and compressed by the push rod 10 to provide downward pressure for the stripper plate 14 so as to assist in positioning the workpiece, then the upper die holder 2 moves downwards until the die assembly is completed, the workpiece completes stamping processing, then the upper die holder 2 is controlled to move upwards to carry out die opening, in the die opening process, the upper die holder 2 drives the male die 8 to move upwards, at this time, the workpiece may be coated on the side surface of the male die 8, the stripper spring 13 gives downward thrust to the push rod 10 to force the stripper plate 14 to move downwards so as to unload the workpiece coated on the male die 8, if the workpiece is embedded in the female die 7 after the die opening, at this time, the upper die holder 2 continues to move upwards, so as to drive the pull rod 16 to move upwards until the limiting ring 19 passes through the directional groove 22, and the top of the limiting ring 19 is abutted against the bottom of the stripper plate 15, thereby pulling up the workpiece in the female die 7, and thus finishing the stripping operation of the workpiece.

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

1. The utility model provides an auto parts production is with stamping die of fast demoulding, includes die holder (1) and upper die base (2), die holder (1) is connected with lower mould fixed plate (4) through lower welt (3), the inside of lower mould fixed plate (4) is provided with die (7), upper die base (2) are connected with upper fixing plate (6) through last welt (5), the inside of upper fixing plate (6) is provided with terrace die (8), its characterized in that: the bottom of the upper die fixing plate (6) is provided with a bottom hole (9), a push rod (10) is movably connected inside the bottom hole (9), a positioning plate (12) is fixedly connected to the top of the push rod (10), a positioning groove (11) is formed in the inner top wall of the bottom hole (9), the positioning plate (12) is located inside the positioning groove (11), the positioning plate (12) is connected with the inner top wall of the positioning groove (11) through a discharging spring (13), a discharging plate (14) is fixedly connected to the bottom end of the push rod (10), a pull rod (16) is arranged at the bottom of the discharging plate (14), a material returning plate (15) is arranged at the top of the lower die fixing plate (4), a through groove is formed in the center of the material returning plate (15), a concave die (7) is located inside the through groove, a communication hole (21) is formed in the top of the material returning plate (15), a top groove (17) is formed in the top of the lower die fixing plate (4), the bottom of pull rod (16) passes intercommunicating pore (21) and extends to the inside of top groove (17), spacing groove (20) have been seted up to the side surface of top groove (17), the bottom fixedly connected with limiting plate (18) of pull rod (16), limiting plate (18) are located the inside of spacing groove (20), spacing ring (19) have been cup jointed to the side surface of pull rod (16) is fixed, directional groove (22) have been seted up to the interior roof of spacing groove (20).

2. The rapid demoulding stamping die for producing the automobile parts as claimed in claim 1, wherein: the locating groove (11) is a cylindrical groove, the locating plate (12) is a circular plate, and the side surface of the circular plate is attached to the inner wall of the cylindrical groove.

3. The rapid-demolding stamping die for automobile part production as claimed in claim 1, wherein: the top end of the discharging spring (13) is fixedly connected with the inner top wall of the positioning groove (11), and the bottom end of the discharging spring (13) is fixedly connected with the top of the positioning plate (12).

4. The rapid-demolding stamping die for automobile part production as claimed in claim 1, wherein: the corresponding diameter of the limiting plate (18) is smaller than that of the top groove (17).

5. The rapid-demolding stamping die for automobile part production as claimed in claim 1, wherein: the shape of the limiting ring (19) is the same as the corresponding shape of the cross section of the orientation groove (22), but the size of the limiting ring (19) is smaller than the corresponding size of the cross section of the limiting groove.

6. The rapid demoulding stamping die for producing the automobile parts as claimed in claim 1, wherein: the length of the limiting ring (19) from the bottom end of the pull rod (16) is one sixth of the length of the limiting ring (19) from the top end of the pull rod (16).