CN218855403U

CN218855403U - Precision punch forming die for producing ultra-precision mechanical parts

Info

Publication number: CN218855403U
Application number: CN202223468508.3U
Authority: CN
Inventors: 陈磊; 陈寿龙; 戚旬军; 刘强
Original assignee: Changzhou Tianruida Mold Co ltd
Current assignee: Changzhou Tianruida Mold Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-14
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a precision punch forming die for producing ultra-precision mechanical parts, which comprises a base, a fixed seat arranged on the surface of the base, and a lower die arranged at the top end of the fixed seat, wherein a cylinder is arranged at the top of the base, the output end of the cylinder is provided with a top plate, and a plurality of groups of ejector rods are arranged on the surface of the top plate; the surface of the lower die is provided with a plurality of groups of mounting grooves, two groups of inner dies are embedded in each group of mounting grooves, a plurality of groups of sliding grooves are formed in one side, which is mutually attached, of each of the two groups of inner dies, and sleeves are sleeved in the two groups of sliding grooves; after the punching press finishes, make ejector pin rebound through the cylinder to it is ejecting from the inside of mounting groove with interior mould, then transversely stimulate two sets of interior moulds, make two sets of interior mould separation, and then take out the inside of mould in with the work piece, can avoid like this when the drawing of patterns, because the friction of work piece and mould, make the problem of work piece edge deformation, thereby ensured the complete of work piece.

Description

Precision punch forming die for producing ultra-precision mechanical parts

Technical Field

The utility model relates to a stamping die field especially relates to production of ultra-precise machine part is with accurate stamping forming mould.

Background

Moulds (mu m) and tools for obtaining the desired products in industrial production by injection moulding, blow moulding, extrusion, die casting or forge forming, smelting, punching and the like. The mould is a tool for manufacturing a molded article, the tool is composed of various parts, different moulds are composed of different parts, and the appearance of the article is machined mainly through the change of the physical state of a molded material.

The traditional stamping die is used for stamping raw materials in the die by pressing the raw materials into the die, so that the raw materials are formed, a formed workpiece can be embedded into the die, the workpiece is usually pushed out from the die in a pushing or ejecting mode in order to be taken out conveniently, friction is often generated between the edge of the workpiece and the inner wall of the die, the weak part of the edge of the workpiece is prone to deformation, and therefore the precision stamping forming die for producing ultra-precision mechanical parts is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an ultra-precision machinery is precision stamping forming mould for the part production, has produced the technological effect at protection work piece edge.

In order to solve the technical problem, the utility model provides a following technical scheme: the precision punch forming die for producing the ultra-precision mechanical parts comprises a base, a fixed seat arranged on the surface of the base and a lower die arranged at the top end of the fixed seat, wherein a cylinder is arranged at the top of the base, a top plate is arranged at the output end of the cylinder, and a plurality of groups of ejector rods are arranged on the surface of the top plate;

the surface of bed die is provided with a plurality of groups mounting groove, and the inside of every group mounting groove all inlays and has two sets of interior moulds, and a plurality of groups spout have all been seted up to one side that two sets of interior moulds laminated each other, and the inside cover of two sets of spouts is equipped with the sleeve.

As a preferred technical scheme of the utility model, every group telescopic both ends all symmetry is provided with two sets of rectangle lugs, and the surface of every group spout all is provided with two sets of recesses, and the surface of rectangle lug is laminated mutually with the inner wall of recess.

As a preferred technical scheme of the utility model, telescopic inside is provided with telescopic link and spring, the both ends of telescopic link and spring all with the inner wall fixed connection of spout, and the spring housing establishes on the surface of telescopic link.

As a preferred technical scheme of the utility model, a plurality of groups limiting rod are installed at the top of base, and the bottom fixed connection of roof and bed die is all run through on the top of a plurality of groups limiting rod.

As a preferred technical scheme of the utility model, the fixture block is all installed on the surface of mould in every group majority, and a plurality of groups draw-in grooves have been seted up to the inner wall of mounting groove, and the quantity of draw-in groove is unanimous with the quantity of fixture block.

As a preferred technical scheme of the utility model, the fixture block sets up to the arc, the draw-in groove set up to the arc with fixture block looks adaptation.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the utility model discloses a cooperation between cylinder, roof, ejector pin, mounting groove, interior mould, spout, the sleeve, after the punching press finishes, open the cylinder, the cylinder extension impels the roof to move upwards, and the ejector pin is synchronous motion under the drive of roof to ejecting interior mould from the inside of mounting groove, then transversely stimulate two sets of interior moulds, make two sets of interior moulds separate, and then take out the work piece from the inside of interior mould, can avoid like this when the drawing of patterns, because the friction of work piece and mould, make the problem that work piece edge warp, thereby ensured the integrality of work piece; the sleeve has the function of connecting the two groups of inner molds, so that the two groups of inner molds can move horizontally, and the demolding accuracy is further improved;

2. the utility model discloses a cooperation between telescopic link, spring, gag lever post, fixture block, draw-in groove, when pulling two sets of inner mould, telescopic link and spring synchronous extension under the drive of two sets of inner mould, after taking out the work piece from the inside of inner mould, the spring resumes to original form, and two sets of inner mould move to initial position under the elasticity of spring, and then are convenient for carry out the punching press of next time; the top plate is driven by the cylinder to move vertically along the direction of the limiting rod, and the limiting rod plays a limiting role in limiting the movement of the top plate, so that the pushing force of the ejector rod on the inner die is more uniform and stable; when inlaying interior mould in the inside of mounting groove, the block is in the inside of draw-in groove under the drive of interior mould to mould in the installation that can be better.

Drawings

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

FIG. 2 is a partial cross-sectional structural view of the present invention;

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

FIG. 4 is a partial cross-sectional structural view of the present invention;

fig. 5 is an enlarged view of a point a in fig. 4 of the present invention.

Wherein: 1. a base; 2. a fixed seat; 3. a lower die; 4. a cylinder; 5. a top plate; 6. a top rod; 7. mounting grooves; 8. an inner mold; 9. a chute; 10. a sleeve; 11. a telescopic rod; 12. a spring; 13. a limiting rod; 14. a clamping block; 15. a clamping groove.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-5, production of ultra-precise machine part is with accurate stamping forming mould, including base 1, set up fixing base 2 on base 1 surface, install the bed die 3 on the top of fixing base 2, cylinder 4 is installed at the top of base 1, and the output of cylinder 4 is provided with roof 5, and the surface mounting of roof 5 has a plurality of groups ejector pin 6, the surface of bed die 3 is provided with a plurality of groups mounting groove 7, and the inside of every group mounting groove 7 is all inlayed and is had two sets of interior mould 8, and a plurality of groups spout 9 have all been seted up to one side that two sets of interior mould 8 laminated each other, and the inside cover of two sets of spout 9 is equipped with sleeve 10, every group the both ends of sleeve 10 all symmetry are provided with two sets of rectangle lugs, and the surface of every group spout 9 all is provided with two sets of recesses, and the surface of rectangle lug is laminated mutually with the inner wall of recess.

After the punching is finished, the cylinder 4 is opened, the cylinder 4 starts to extend, the cylinder 4 extends to enable the top plate 5 to move upwards, the top plate 5 moves and simultaneously drives the groups of ejector rods 6 at the top end to move synchronously, so that the inner die 8 is ejected out of the mounting groove 7, then the two groups of inner dies 8 are transversely pulled to separate the two groups of inner dies 8, and further the workpiece is taken out of the inner die 8, so that the problem that the edge of the workpiece is deformed due to friction between the workpiece and the dies during demolding can be avoided, and the integrity of the workpiece is ensured; sleeve 10 can play spacing effect to the removal of two sets of interior moulds 8, ensures 8 horizontal migration of two sets of interior moulds to further improvement the degree of accuracy of drawing of patterns, the rectangle lug at sleeve 10 both ends plays spacing effect to the removal of sleeve 10, avoids sleeve 10 from the inside problem that breaks away from of interior mould, thereby is convenient for inlay the inside at mounting groove 7 again with two sets of interior moulds 8.

A telescopic rod 11 and a spring 12 are arranged inside the sleeve 10, two ends of the telescopic rod 11 and two ends of the spring 12 are fixedly connected with the inner wall of the chute 9, and the spring 12 is sleeved on the surface of the telescopic rod 11; a plurality of groups of limiting rods 13 are arranged at the top of the base 1, and the top ends of the groups of limiting rods 13 penetrate through the top plate 5 and are fixedly connected with the bottom of the lower die 3; the surfaces of each group of the plurality of inner molds 8 are provided with clamping blocks 14, the inner wall of the mounting groove 7 is provided with a plurality of groups of clamping grooves 15, and the number of the clamping grooves 15 is consistent with that of the clamping blocks 14; the fixture block 14 is arc-shaped, and the clamping groove 15 is arc-shaped groove matched with the fixture block 14.

When the two groups of inner dies 8 move towards two sides, two ends of the telescopic rod 11 move synchronously along with the two groups of inner dies, the spring 12 is driven by the two groups of inner dies to extend and accumulate force, after a workpiece is taken out from the inner part of the inner dies 8, the spring 12 returns to the initial state, the two groups of inner dies 8 move towards the central position synchronously under the elasticity of the spring 12 until the surfaces of the two groups of inner dies 8 are abutted with each other, so that the two groups of inner dies 8 can be automatically clamped, and further the next stamping is convenient to perform; after the cylinder 4 is started, the top plate 5 is driven by the cylinder 4 to move vertically along the direction of the limiting rod 13, and the limiting rod 13 plays a limiting role in limiting the movement of the top plate 5, so that the top plate 5 moves more stably, and the pushing force of the ejector rod 6 on the inner die is ensured to be more uniform and stable; when inlaying interior mould 8 in the inside of mounting groove 7, fixture block 14 block is in the inside of draw-in groove 15 under interior mould 8's the drive to installation interior mould 8 that can be better.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Accurate stamping forming mould is used in production of ultra-precise machine part, including base (1), set up fixing base (2) on base (1) surface, install bed die (3) on the top of fixing base (2), its characterized in that: the top of the base (1) is provided with an air cylinder (4), the output end of the air cylinder (4) is provided with a top plate (5), and the surface of the top plate (5) is provided with a plurality of groups of ejector rods (6);

the surface of bed die (3) is provided with a plurality of groups mounting groove (7), and the inside of every group mounting groove (7) all inlays and has two sets of interior mould (8), and a plurality of groups spout (9) have all been seted up to one side that two sets of interior mould (8) laminated each other, and the inside cover of two sets of spout (9) is equipped with sleeve (10).

2. The precision punch forming die for producing ultra-precision mechanical parts according to claim 1, characterized in that: and two ends of each group of the sleeve (10) are symmetrically provided with two groups of rectangular lugs, the surface of each group of the sliding grooves (9) is provided with two groups of grooves, and the surfaces of the rectangular lugs are mutually attached to the inner walls of the grooves.

3. The precision punch forming die for producing ultra-precision mechanical parts according to claim 1, characterized in that: the telescopic rod (11) and the spring (12) are arranged inside the sleeve (10), two ends of the telescopic rod (11) and the spring (12) are fixedly connected with the inner wall of the sliding groove (9), and the spring (12) is sleeved on the surface of the telescopic rod (11).

4. The precision punch forming die for producing ultra-precision mechanical parts according to claim 1, characterized in that: a plurality of groups of limiting rods (13) are installed at the top of the base (1), and the top ends of the groups of limiting rods (13) penetrate through the bottom fixed connection of the top plate (5) and the lower die (3).

5. The precision punch forming die for producing ultra-precision mechanical parts according to claim 1, wherein: the surfaces of each group of the inner molds (8) are all provided with clamping blocks (14), the inner wall of the mounting groove (7) is provided with a plurality of groups of clamping grooves (15), and the number of the clamping grooves (15) is consistent with that of the clamping blocks (14).

6. The precision punch forming die for producing ultra-precision mechanical parts according to claim 5, characterized in that: the clamping block (14) is arc-shaped, and the clamping groove (15) is an arc-shaped groove matched with the clamping block (14).