Mold delay stripping mechanism

Abstract

The present application provides a mold delayed stripping mechanism, which improves the quality of products. It comprises: an upper die assembly, which comprises an upper die punch, an upper die seat, an upper die plate, a die cutter, the die cutter is embedded in the cavity of the upper die plate, the upper part of the die cutter is provided with a driving inner groove, each driving inner groove is also respectively provided with a first insert, the upper surface of the first insert is provided with a inclined driving groove, each inclined driving groove is correspondingly provided with a second insert, the upper part of the second insert is connected with a hitting rod, the lower part of the second insert is shaped according to the inclined driving groove; a lower die assembly, which comprises a base, a lower die seat, a lower die plate, a lower die core; the base is provided with a lower die seat, the upper center of the lower die seat is provided with a lower die plate, the center area of the lower die plate is correspondingly provided with a cavity, the cavity is installed with a lower die core; and a material receiving mechanism.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mold structure, in particular to a mold delayed stripping mechanism. BACKGROUND

[0002] The existing film-coated metal product with a certain thickness (0.2mm-0.3mm) has the following mold manufacturing process: the upper mold is driven by the punch to perform blanking, after the blanking is completed, the product is clamped on the scrap, the product is sent out from the mold by the feeder, and the mechanical hand sucks the product out and puts it into the tray (see Figure 1 and Figure 2 ); after the mold is opened: the inner stripping will push the product into the scrap twice, the product is clamped, the mechanical hand sucks the product out, causing the product and the scrap to rub, generating a hair, and the hair is also glued, causing a defect; therefore, it is urgent to develop a mold structure that can prevent the product edge from being repeatedly rubbed. SUMMARY

[0003] In view of the above problems, the present application provides a mold delayed stripping mechanism, which makes the product embedded in the inner cavity of the upper mold after being punched, and then the product is driven to rise after demolding, the receiving mechanism is placed directly below the product, and then the product is placed on the production line along the receiving track of the receiving mechanism, and the product is transferred, which improves the quality of the product.

[0004] The mold delayed stripping mechanism comprises:

[0005] The upper mold assembly comprises an upper die punch, an upper die seat, an upper die plate and a die cutter, the die cutter is embedded in the cavity of the upper die plate, the upper part of the die cutter is provided with a driving inner groove, each driving inner groove is respectively provided with a first cutter, the upper surface of the first cutter is provided with a slanting driving groove, each slanting driving groove is correspondingly provided with a second cutter, the upper part of the second cutter is connected with a hitting rod, and the lower part of the second cutter is arranged in the shape of the slanting driving groove, the die cutter is in the concave die structure in the punching state, the first cutter is driven outward after the second cutter is synchronously lowered by the hitting rod, the die cutter is lowered, and the product is ejected;

[0006] The lower mold assembly comprises a base, a lower die seat, a lower die plate and a lower die core; the base is provided with the lower die seat, the upper center of the lower die seat is provided with the lower die plate, the center area of the lower die plate is correspondingly provided with a cavity, and the cavity is installed with the lower die core;

[0007] The receiving mechanism comprises a group of connecting rod mechanisms and a receiving disc, the connecting rod mechanism comprises a pair of cross transmission connecting rods and a pair of pivot connecting rods, the cross transmission connecting rods comprise a first connecting rod and a second connecting rod, and the pair of pivot connecting rods comprise a third connecting rod and a fourth connecting rod;

[0008] One end of the first connecting rod is pivotally connected to the upper die holder, the other end is pivotally connected to one end of the third connecting rod, one end of the second connecting rod is pivotally connected to the upper convex connecting seat of the base, the other end of the second connecting rod is pivotally connected to one end of the fourth connecting rod, the other ends of the third connecting rod and the fourth connecting rod are coaxially pivotally connected to the side wall of the discharge end of the material receiving disc, and the intersection of the first connecting rod and the second connecting rod is connected to the track groove of the corresponding side wall of the material inlet end of the material receiving disc.

[0009] It is further characterized in that:

[0010] The upper part of the die knife is fixedly connected with a driving block structure;

[0011] The two sides of the driving block structure are provided with stop spaces corresponding to the positions of the first insert knives, the stop spaces and the inner end protruding stops of the first insert knives are in position, and the die knife is locked in the inner recess after the punching and cutting are completed;

[0012] The outer ends of the two first insert knives are respectively connected to positioning blocks through springs, and the inner end protruding stops of the first insert knives are top-mounted in the corresponding stop spaces of the driving block under the driving of the springs;

[0013] A plurality of limiting columns and limiting holes are arranged between the upper die plate and the lower die plate, and the limiting columns and the limiting holes are arranged in combination and pairing;

[0014] The upper convex connecting seat is fixedly connected to the bottom plate, and the upper part of the upper convex connecting seat is provided with a guide roller, which facilitates the reliable and smooth discharge of materials;

[0015] The material receiving disc comprises a bottom plate and two side walls, the bottom plate is used for receiving materials, and the side walls are used for blocking materials;

[0016] Track grooves are respectively formed in the two side walls, and the lengths of the track grooves are used for reliable mold closing and demolding operations;

[0017] The first connecting rod and the third connecting rod are connected to one of the side walls, and the second connecting rod and the fourth connecting rod are connected to the other side wall;

[0018] After demolding is completed, the material receiving disc drives the product to the material channel again.

[0019] After the above technical scheme is adopted, the punch rod of the punch press and the first insert knife on the side are used for delayed material discharge, the product is punched and cut by the die knife, and after the product is cut off under the action of the first insert knife, the product is clamped in the cavity of the upper die, after the mold is opened, the material receiving mechanism enters the mold to receive the material; thereby preventing the product from being clamped into the waste material, causing the product and the waste material to be rubbed twice, and generating a hair; the product is embedded in the inner recess of the upper die after being punched, and then the product is driven to rise after demolding, the material receiving mechanism is placed directly below the product, and then the product is demolded along the material receiving track of the material receiving mechanism and placed on the production line, the product is transferred, and the quality of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Processing diagram of existing product;

[0021] Figure 2 Processing diagram of existing product tape;

[0022] Figure 3 Processing diagram of the application;

[0023] Figure 4 Processing diagram of product tape of the application;

[0024] Figure 5 Schematic diagram of the three-dimensional structure of the application;

[0025] The names corresponding to the serial numbers in the figure are as follows:

[0026] Upper die assembly 10, upper die punch 11, upper die seat 12, upper die plate 13, die knife 14, first insert knife 15, oblique driving groove 151, inner end protruding stop 152, second insert knife 16, punch rod 17, driving block structure 18, stop space 181, spring 19, lower die assembly 20, base 21, upper convex connecting seat 211, guide roller 212, lower die seat 22, lower die plate 23, lower die core 24, guide seat 25, material receiving mechanism 30, material receiving disc 31, bottom plate 311, side wall 312, track groove 313, cross transmission connecting rod 32, pivot connecting rod 33, first connecting rod 34, second connecting rod 35, third connecting rod 36, fourth connecting rod 37, limiting column 40, product 50, tape 60. DETAILED DESCRIPTION

[0027] Mold delayed stripping mechanism, see Figures 3-5 , which comprises an upper die assembly 10, a lower die assembly 20, and a material receiving mechanism 30;

[0028] The upper die assembly 10 comprises an upper die punch 11, an upper die seat 12, an upper die plate 13, and a die knife 14, which is embedded in the cavity of the upper die plate 13. The upper part of the die knife 14 is provided with a driving inner groove. Each driving inner groove is respectively provided with a first insert knife 15. The upper surface of the first insert knife 15 is provided with an oblique driving groove 151. Each oblique driving groove 151 is correspondingly provided with a second insert knife 16. The upper part of the second insert knife 16 is connected with a punch rod 17. The lower part of the second insert knife 16 is arranged in the shape of the oblique driving groove 151. The die knife 14 is in the form of a concave die in the state of completed punching. After the second insert knife 16 is synchronously pushed down by the punch rod 17, the first insert knife 15 is driven to move outward, the die knife 14 is lowered, and the product is ejected;

[0029] The lower die assembly 20 comprises a base 21, a lower die seat 22, a lower die plate 23, and a lower die core 24; the lower die seat 22 is arranged on the base 21, the upper center of the lower die seat 22 is provided with the lower die plate 23, the central area of the lower die plate 23 is provided with a cavity, and the cavity is provided with the lower die core 24;

[0030] The material receiving mechanism 30 comprises a set of connecting rod mechanisms and a material receiving disc 31; the connecting rod mechanisms comprise a pair of cross transmission connecting rods 32 and a pair of pivot connecting rods 33; the cross transmission connecting rods 32 comprise a first connecting rod 34 and a second connecting rod 35; the pair of pivot connecting rods 33 comprise a third connecting rod 36 and a fourth connecting rod 37;

[0031] One end of the first connecting rod 34 is pivotally connected to the upper die seat 12, and the other end is pivotally connected to one end of the third connecting rod 36; one end of the second connecting rod 35 is pivotally connected to the upper convex connecting seat 211 of the base 21, and the other end is pivotally connected to one end of the fourth connecting rod 37; the other ends of the third connecting rod 36 and the fourth connecting rod 37 are coaxially pivotally connected to the side wall of the discharge end of the material receiving disc 31; the cross pivot connection positions of the first connecting rod 34 and the second connecting rod 35 are connected to the track grooves 313 of the corresponding side walls of the material receiving disc 31.

[0032] In specific implementation, the base 21 is further supported by a guide seat 25 through a track groove; the first connecting rod 34 and the third connecting rod 36 are pivotally connected to the convex seat body on the guide seat 25, and the guide seat 25 ensures stable and reliable movement of the entire structure;

[0033] The upper part of the die knife 14 is fixedly connected with a driving block structure 18; the two sides of the driving block structure 18 are provided with stop spaces 181 (i.e., driving inner grooves) corresponding to the positions of the first insert knives; the stop spaces 181 and the inner end protruding stops 152 of the first insert knives 15 are in alignment, and the die knife 14 is locked in the inner recess after the punching and cutting are completed;

[0034] The outer ends of the two first insert knives 15 are respectively connected to positioning blocks through springs 19; the inner end protruding stops of the first insert knives 15 are top-mounted in the corresponding stop spaces of the driving block structure 18 under the power action of the springs 19;

[0035] A plurality of limiting columns 40 and limiting holes are arranged between the upper die plate 13 and the lower die plate 23;

[0036] The upper convex connecting seat 211 is fixedly arranged on the base plate 21, and the upper part of the upper convex connecting seat 211 is provided with a guide roller 212, which facilitates reliable and smooth discharge of materials;

[0037] The material receiving disc 31 comprises a bottom plate 311 and two side walls 312; the bottom plate 311 is used for receiving materials, and the side walls 312 are used for blocking materials;

[0038] Two side walls 312 are respectively provided with rail grooves 313, the length of the rail grooves 313 is used for reliable mold closing and demolding operation of the mold;

[0039] The first connecting rod 34 and the third connecting rod 36 are connected to one of the side walls 312, and the second connecting rod 35 and the fourth connecting rod 37 are connected to the other side wall 312;

[0040] After demolding is completed, the product is driven to the material channel again by the receiving disc 31.

[0041] The working principle is as follows: the punch rod of the punch + the first side insert is used for delayed material removal, the product is punched and cut by the mold cutter, and is clamped in the cavity of the upper mold under the action of the first insert, after the mold is opened, the receiving mechanism enters the mold to receive the material; so as to prevent the product from being clamped into the waste material, causing the product and the waste material to be rubbed twice, and generating a hair; the product is embedded in the inner recess of the upper mold after being punched, and then the product is driven to rise after demolding, the receiving mechanism is placed directly below the product, and then the product is demolded along the receiving track of the receiving mechanism and placed on the production line, the product is transferred, and the product quality is improved.

[0042] It is apparent to those skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered as exemplary and not limiting in any way, the scope of the application being defined by the claims appended hereto rather than that which has been described above, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0043] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A mold delay stripping mechanism characterized by, It includes: The upper die assembly includes an upper die punch, an upper die seat, an upper die plate, a die cutter, the die cutter is embedded in the cavity of the upper die plate, the upper part of the die cutter is provided with two driving inner grooves, each driving inner groove is also provided with a first insert respectively, the upper surface of the first insert is provided with a inclined driving groove, each inclined driving groove is correspondingly provided with a second insert, the upper part of the second insert is connected with a punch rod, the lower part of the second insert is arranged in the shape of the inclined driving groove, the die cutter is in the state of die cutting, the second insert is driven by the punch rod to the top of the first insert, the die cutter is driven to descend, and the product is ejected; The lower die assembly includes a base, a lower die seat, a lower die plate, and a lower die core; the base is provided with a lower die seat, the upper center of the lower die seat is provided with a lower die plate, the center area of the lower die plate is correspondingly provided with a cavity, and the cavity is installed with a lower die core; And a material receiving mechanism including a set of connecting rod mechanisms and a material receiving disc, the connecting rod mechanism includes a pair of cross transmission connecting rods and a pair of pivot connecting rods, the cross transmission connecting rod includes a first connecting rod and a second connecting rod, and the pair of pivot connecting rods includes a third connecting rod and a fourth connecting rod; One end of the first connecting rod is pivotally connected with the upper die seat, the other end of the first connecting rod is pivotally connected with one end of the third connecting rod, one end of the second connecting rod is pivotally connected with the upper protruding connecting seat of the base, the other end of the second connecting rod is pivotally connected with one end of the fourth connecting rod, the other ends of the third connecting rod and the fourth connecting rod are coaxially pivotally connected with the side wall of the discharge end of the material receiving disc, and the cross-pivot connection position of the first connecting rod and the second connecting rod is connected with the track groove of the corresponding side wall of the material receiving disc; The upper part of the die cutter is fixedly connected with a driving block structure; The two sides of the driving block structure are provided with stop spaces corresponding to the positions of the first inserts, the stop spaces and the inner end protrusions of the first inserts are in position, the die cutter is locked in the driving inner grooves after die cutting is completed; The outer ends of the two first inserts are respectively connected with positioning blocks through springs, and the inner end protrusions of the first inserts are top-mounted in the corresponding stop spaces of the driving block structure under the driving action of the springs; The punch rod of the punch and the first inserts on the side are used for delayed material removal, the product is cut by the die cutter and is clamped in the cavity of the upper die after being cut off under the action of the first inserts, after the mold is opened, the material receiving mechanism enters the mold to receive the material; The base is fixedly connected with an upper protruding connecting seat, and the upper part of the upper protruding connecting seat is provided with a guide roller.

2. The mold delay stripping mechanism of claim 1, wherein: A plurality of limiting columns and limiting holes are arranged between the upper die plate and the lower die plate.

3. The mold delay stripping mechanism of claim 1 wherein: The material receiving disc includes a bottom plate and two side walls, the bottom plate is used for receiving material, and the side walls are used for blocking material.

4. The mold delay stripping mechanism of claim 3 wherein: Track grooves are formed in the two side walls.

5. The mold delay stripping mechanism of claim 4 wherein: The first connecting rod and the third connecting rod are connected with one side wall, and the second connecting rod and the fourth connecting rod are connected with the other side wall.

6. The mold delay stripping mechanism of claim 1 wherein: After demolding is completed, the material receiving disc drives the product to the material channel again.

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