CN218517542U

CN218517542U - Precision parts machining mould

Info

Publication number: CN218517542U
Application number: CN202221613521.0U
Authority: CN
Inventors: 任意; 周俊; 王飞
Original assignee: Shenzhen Fuzhi Technology Co ltd
Current assignee: Shenzhen Fuzhi Technology Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-02-24
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to the technical field of dies, in particular to a precision part processing die, which comprises a lower die holder and a die carrier, wherein the die carrier is fixed at the upper end of the lower die holder, a punching groove is arranged at the middle part of the upper end of the lower die holder, an ejection component is arranged in the punching groove, a cavity positioned below the punching groove is arranged in the lower die holder, movable grooves communicated with the cavity are arranged at the left side and the right side of the upper end of the lower die holder, concave connecting plates extending into the movable grooves are arranged in the cavity, clamping buffer components are arranged in the movable grooves, an upper die holder corresponding to the lower die holder is arranged above the die carrier, and a punching head matched with the punching groove is fixed at the middle part of the lower end of the upper die holder; the utility model discloses a splint compression spring telescopic link, then through spring telescopic link's resilience force, it is spacing with the part centre gripping of equidimension not to do benefit to convenient passing through splint, consequently makes this mould can be more accurate not part of equidimension of punching press, has guaranteed the suitability of this mould.

Description

Precision parts machining mould

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a precision parts machining mould.

Background

The mould, used in the industrial production to get various moulds and tools of the required products by injection moulding, blow moulding, extrusion, die-casting or forging and pressing molding, smelting, stamping, etc., in short, the mould is the tool used for making the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the appearance of the article through the change of the physical state of the shaping material, the person has the title of "industrial mother";

according to chinese patent application No. 202120654311.5, an auto parts location stamping die is disclosed, the on-line screen storage device comprises a base, the shock pad is installed to the bottom of base, the top both sides of base all are provided with the bracing piece, bracing piece and base fixed connection, just the top fixedly connected with roof of bracing piece, the cylinder is installed at the top center department of roof, the bottom of cylinder is provided with the air pressure pole. The automobile part positioning and stamping die is provided with the positioning rod, when the air cylinder presses down, the stamping plate is driven to press down to enable the positioning groove in the stamping plate to be connected with the positioning rod, so that dislocation of the stamping plate is prevented, stamping dislocation of the stamping die head is further avoided, the stripping plate is installed in the stamping groove, when parts are stamped, the part is pressed down by the stamping die head, the stripping plate descends, and after stamping is completed, the stamping die head leaves the stamping groove, so that the reset spring at the bottom of the stripping plate resets, the parts in the stamping groove are further ejected out, the parts are easily stripped, and the processing efficiency is improved;

however, the patent also has the disadvantages that when the parts are placed on the stamping groove for stamping, if the sizes of the parts are different, the fixed block is difficult to move left and right, so that the fixed block is difficult to clamp and limit the parts with different sizes, the applicability of the die is affected, the stripper plate is driven to move downwards by the pressure of the parts during the stamping process of the parts, and the parts may deform during the stamping process due to the reaction force of the stripper plate on the parts, so that the precision and the quality of the parts after stamping are affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a precision parts machining mould does benefit to the suitability of guaranteeing this mould, and guarantees precision and quality after to the part punching press.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a precision part machining die comprises a lower die holder and a die set, wherein the die set is fixed at the upper end of the lower die holder;

a stamping groove is formed in the middle of the upper end of the lower die base, and a material ejecting assembly is arranged in the stamping groove;

a cavity positioned below the stamping groove is formed in the lower die base, movable grooves communicated with the cavity are formed in the left side and the right side of the upper end of the lower die base, concave connecting plates extending into the movable grooves are arranged in the cavity, and clamping buffer assemblies are arranged in the movable grooves;

an upper die base corresponding to the lower die base is arranged above the inside of the die base, a stamping head matched with the stamping groove is fixed in the middle of the lower end of the upper die base, and pressing blocks are fixed on the left side and the right side of the lower end of the upper die base.

Furthermore, the liftout subassembly includes stripper plate and ejector pin, the stripper plate is located upper end in the punching press inslot, the ejector pin is fixed in the stripper plate lower extreme and down passes through the die holder slides the cavity, the ejector pin lower extreme is fixed in bottom in the spill connecting plate.

Furthermore, the clamping buffer assembly comprises a return spring, concave lifting plates, a spring telescopic rod and clamping plates, wherein the return spring is connected to the bottom end in the movable groove, the concave lifting plates are connected to the upper end of the return spring in the movable groove in a sliding mode, and the left side and the right side of the upper end of each concave connecting plate are fixed to the lower ends of the two concave lifting plates respectively.

Furthermore, the spring telescopic rods are connected to the inner side wall of the concave lifting plate, the clamping plates are connected to the inner ends of the spring telescopic rods, the upper ends of the clamping plates extend upwards to form the movable grooves, and the two pressing blocks are in one-to-one up-and-down correspondence with the two clamping plates.

Furthermore, a hydraulic cylinder is connected between the upper die holder and the inner top end of the die holder.

Furthermore, a positioning rod is fixed at the upper end of the lower die holder and close to the outer end of each movable groove, and positioning grooves corresponding to the positioning rods are formed in two sides of the lower end of the upper die holder.

The utility model has the advantages that:

1. the spring telescopic rod is compressed through the clamping plate, and then the parts with different sizes are conveniently clamped and limited through the clamping plate through the resilience force of the spring telescopic rod, so that the die can precisely stamp the parts with different sizes, and the applicability of the die is ensured;

2. and the punching press head is before punching press part, the stripper plate can earlier move toward punching press inslot lower extreme, consequently, prevent that the stripper plate from applying reaction force to the part when punching press, produce unnecessary deformation in order to avoid the part punching press process, thereby the punching press accuracy and the quality to the part have been guaranteed, the elasticity of reunion return spring does benefit to through the quick part in the ejecting punching press inslot that up of stripper plate, the drawing of patterns efficiency of part has been guaranteed, can also effectually carry out buffer protection to upper die base and die holder, the life of upper die base and die holder has been guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the lower mold base of the present invention;

fig. 3 is a schematic view of the upper die base of the present invention;

fig. 4 is a schematic view of the overall working structure of the present invention.

Description of reference numerals:

the device comprises a lower die holder 1, a die carrier 2, a cavity 3, a movable groove 4, a concave connecting plate 5, an ejector rod 6, a stripper plate 7, a concave lifting plate 8, a return spring 9, a clamping plate 10, a spring telescopic rod 11, a positioning rod 12, an upper die holder 13, a hydraulic cylinder 14, a positioning groove 15, a pressing block 16, a punching head 17 and a punching groove 18.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1-3, in this embodiment, the die holder includes a lower die holder 1 and a die holder 2, the die holder 2 is fixed to an upper end of the lower die holder 1, a stamping groove 18 is formed in a middle portion of the upper end of the lower die holder 1, a material ejecting assembly is disposed in the stamping groove 18, a cavity 3 located below the stamping groove 18 is formed in the lower die holder 1, movable grooves 4 communicated with the cavity 3 are formed in left and right sides of the upper end of the lower die holder 1, concave connecting plates 5 extending into the movable grooves 4 are disposed in the cavity 3, clamping buffer assemblies are disposed in the movable grooves 4, each clamping buffer assembly includes a return spring 9, a concave lifting plate 8, a spring telescopic rod 11 and a clamping plate 10, the return springs 9 are connected to a bottom end of the movable grooves 4, the concave lifting plates 8 are slidably connected to the movable grooves 4 and connected to an upper end of the return spring 9, left and right sides of an upper end of the concave lifting plate 5 are respectively fixed to lower ends of the two concave lifting plates 8, the spring telescopic rods 11 are connected to inner side walls of the concave lifting plates 8, the clamping plates 10 are connected to inner ends of the spring 11, the upper ends of the two clamping plates 10, and the movable plates 10 extend out of the two pressing blocks 16 and correspond to the upper end of the two pressing blocks.

When needs are spacing to die holder 1 with the part centre gripping on, toward pulling splint 10 and compression spring telescopic link 11 outward, then span the part when punching press groove 18, the resilience force that combines spring telescopic link 11 can drive splint 10 and move toward interior reseing, consequently do benefit to convenient with the not part of equidimension about the centre gripping spacing through the cooperation of two splint 10, prevent that the part from producing the offset before the punching press, consequently make this mould can be more accurate not part of size of punching press, the suitability of this mould has been guaranteed.

As shown in fig. 1 and 4, in this embodiment, a hydraulic cylinder 14 is connected between the upper die holder 13 and the inner top end of the die carrier 2, a positioning rod 12 is fixed at the upper end of the lower die holder 1 and near the outer end of each movable groove 4, positioning grooves 15 corresponding to the positioning rods 12 are formed on both sides of the lower end of the upper die holder 13, an upper die holder 13 corresponding to the lower die holder 1 is arranged above the inner side of the die carrier 2, a stamping head 17 matched with the stamping groove 18 is fixed in the middle of the lower end of the upper die holder 13, press blocks 16 are fixed on both sides of the lower end of the upper die holder 13, the ejector assembly includes a stripper plate 7 and an ejector rod 6, the stripper plate 7 is arranged at the inner upper end of the stamping groove 18, the ejector rod 6 is fixed at the lower end of the stripper plate 7 and slidably penetrates through the cavity 3 through the lower die holder 1, and the lower end of the ejector rod 6 is fixed at the inner bottom end of the concave connecting plate 5.

When the hydraulic cylinder 14 is started to drive the upper die holder 13 to move downwards, firstly, the upper die holder 13 can drive the press block 16 to press the clamp plate 10 downwards, so that the clamp plate 10 drives the spring telescopic rod 11, the concave lifting plate 8 and the concave connecting plate 5 to move downwards together in the movable groove 4, meanwhile, the concave lifting plate 8 can compress the return spring 9, so that the concave connecting plate 5 moves downwards in the cavity 3, the concave connecting plate 5 can pull the ejector rod 6 and the stripper plate 7 downwards, subsequently, the upper die holder 13 can drive the stamping head 17 to stamp parts on the lower die holder 1, and the parts are stamped in the stamping groove 18.

As shown in fig. 1 and 4, in this embodiment, the ejector assembly includes a stripper plate 7 and an ejector rod 6, the stripper plate 7 is disposed at the upper end in the stamping groove 18, the ejector rod 6 is fixed at the lower end of the stripper plate 7 and slides down through the cavity 3 via the lower die holder 1, and the lower end of the ejector rod 6 is fixed at the inner bottom end of the concave connecting plate 5.

After the part punching press finishes, pneumatic cylinder 14 drives upper die base 13, punching press head 17 and briquetting 16 shift up together, the elasticity that combines back force spring 9 this moment again drives spill lifter plate 8 and shifts up, spill lifter plate 8 can drive spring telescopic link 11, a pressing plate, spill connecting plate 5, ejector pin 6 and stripper plate 7 shift up and reset, consequently, do benefit to the part in the quick upward ejecting punching press groove 18 of stripper plate 7, the drawing of patterns efficiency of part has been guaranteed, and elasticity through back force spring 9, can also effectually cushion upper die base 13 and die holder 1 and protect, the life of upper die base 13 and die holder 1 has been guaranteed.

All technical features in the embodiment can be freely combined according to actual needs.

The above embodiment is a preferred implementation scheme of the present invention, and in addition, the present invention includes other implementation schemes, and any obvious replacement is within the protection scope of the present invention without departing from the concept of the present invention.

Claims

1. The utility model provides a precision parts mold processing, includes die holder (1) and die carrier (2), die carrier (2) are fixed in die holder (1) upper end, its characterized in that:

a punching groove (18) is formed in the middle of the upper end of the lower die holder (1), and a jacking assembly is arranged in the punching groove (18);

a cavity (3) positioned below the punching groove (18) is formed in the lower die holder (1), movable grooves (4) communicated with the cavity (3) are formed in the left side and the right side of the upper end of the lower die holder (1), concave connecting plates (5) extending into the movable grooves (4) are arranged in the cavity (3), and clamping buffer assemblies are arranged in the movable grooves (4);

an upper die base (13) corresponding to the lower die base (1) is arranged above the interior of the die base (2), a stamping head (17) matched with the stamping groove (18) is fixed in the middle of the lower end of the upper die base (13), and pressing blocks (16) are fixed on the left side and the right side of the lower end of the upper die base (13).

2. The precision part machining mold according to claim 1, wherein: the liftout subassembly includes stripper plate (7) and ejector pin (6), stripper plate (7) are located upper end in punching press groove (18), ejector pin (6) are fixed in stripper plate (7) lower extreme and down pass through lower die holder (1) slide and pass through into cavity (3), ejector pin (6) lower extreme is fixed in bottom in spill connecting plate (5).

3. A precision part-machining mold according to claim 1, wherein: the clamping buffer assembly comprises a return spring (9), concave lifting plates (8), spring telescopic rods (11) and clamping plates (10), wherein the return spring (9) is connected with the inner bottom end of the movable groove (4), the concave lifting plates (8) are connected in the movable groove (4) in a sliding mode and connected with the upper end of the return spring (9), and the left side and the right side of the upper end of the concave connecting plate (5) are fixed at the lower ends of the concave lifting plates (8) respectively.

4. A precision part-machining mold according to claim 3, wherein: spring telescopic link (11) all connect in spill lifter plate (8) inside wall, splint (10) all connect in spring telescopic link (11) inner, splint (10) upper end up extends activity groove (4), two briquetting (16) and two splint (10) one-to-one is corresponding from top to bottom.

5. The precision part machining mold according to claim 1, wherein: and a hydraulic cylinder (14) is connected between the upper die holder (13) and the inner top end of the die holder (2).

6. The precision part machining mold according to claim 1, wherein: and a positioning rod (12) is fixed at the upper end of the lower die holder (1) and at the outer end close to each movable groove (4), and positioning grooves (15) corresponding to the positioning rods (12) are formed in two sides of the lower end of the upper die holder (13).