CN216609323U

CN216609323U - Integrated die for cutting and forming

Info

Publication number: CN216609323U
Application number: CN202122969362.XU
Authority: CN
Inventors: 陆展飞; 胡斌
Original assignee: Ningbo Jinhui Optical Technology Co ltd
Current assignee: Ningbo Jinhui Optical Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-27
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a cutting and forming integrated die which comprises an upper die mechanism, a lower die mechanism and a base, wherein the upper die mechanism comprises an upper die frame and an upper die block arranged on the upper die frame; the lower die mechanism comprises a lower die frame and a lower die block arranged on the lower die frame, a second forming cambered surface is formed on the surface of the lower die block corresponding to the upper die mechanism, the second forming cambered surface is matched with the first forming cambered surface, and a through hole corresponding to the pressing block is formed in the lower die block; an accommodating cavity is formed between the first forming cambered surface and the second forming cambered surface; the lower die mechanism is movably arranged on the base through an elastic supporting component; the base is fixedly provided with a plurality of cutters, the cutters correspond to the through holes one by one, and when the lower module presses the base, the cutters penetrate through the through holes and abut against the pressing block. The utility model has the following advantages and effects: has the effects of convenient processing, high efficiency and high quality.

Description

Integrated die for cutting and forming

Technical Field

The utility model relates to the technical field of die forming, in particular to a cutting and forming integrated die.

Background

IML (in-mold decoration) is injection molding, and the process has the remarkable characteristics that: the surface is a hardened transparent film, the middle is a printing pattern layer, the back is a plastic layer, and the printing ink is sandwiched between the two layers, so that the product can prevent the surface from being scratched and is resistant to friction, and can keep bright color for a long time and is difficult to fade.

When an arc-shaped sheet is manufactured and a notch is formed in the middle of the arc-shaped sheet, the arc-shaped sheet is usually formed through multi-step processing, the arc-shaped sheet is heated to be softened, the arc-shaped sheet can be bent to form the arc-shaped sheet in a softened state, and then the notch is formed through punching in a punching and cutting mode. So, have the shortcoming that processing is inconvenient, efficiency is lower in production and processing in-process, and because the heating can't go on in succession with the cutting process for when changeing to the cutting process behind the heating process, can be cooled off for a short time, make follow-up cutting process obvious sawtooth appear, it is relatively poor to cut the effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated die for cutting and forming, which has the effects of convenience in processing, high efficiency and high quality.

The technical purpose of the utility model is realized by the following technical scheme: a cutting and forming integrated die comprises an upper die mechanism, a lower die mechanism and a base, wherein the upper die mechanism comprises an upper die frame and an upper die block arranged on the upper die frame;

the lower die mechanism comprises a lower die frame and a lower die block arranged on the lower die frame, a second forming cambered surface is formed on the surface of the lower die block corresponding to the upper die mechanism, the second forming cambered surface is matched with the first forming cambered surface, and a through hole corresponding to the press block is formed in the lower die block;

an accommodating cavity is formed between the first forming cambered surface and the second forming cambered surface;

the lower die mechanism is movably arranged on the base through an elastic supporting component;

the base is fixedly provided with a plurality of cutters, the cutters correspond to the through holes one by one, and when the lower module presses the base, the cutters penetrate through the through holes and abut against the pressing block.

Through adopting above-mentioned technical scheme, when cutting the shaping, place flat diaphragm correspondence on lower module, external equipment heats last mold mechanism and lower mold mechanism, and the diaphragm preheats through lower mold mechanism, simultaneously, presses last mold mechanism to lower mold mechanism for the diaphragm is whole to be embedded into the holding intracavity, and last mold mechanism and lower mold mechanism are all heated the back to the upper and lower surface of diaphragm, make the diaphragm whole be heated evenly and form the arc slice of laminating mutually with first shaping cambered surface, second shaping cambered surface. When the upper die mechanism further presses the lower die frame, the lower die frame is wholly pressed downwards to the base, so that the elastic supporting assembly is compressed, at the moment, the cutter on the base can penetrate through the through hole and the top of the cutter supports against the pressing block, and the cutting edge at the top of the cutter can cut a notch on the diaphragm. So, adopt the shaping, cut the mould of integration, can realize cutting under the fashioned state of being heated for the incision is more level and smooth, and need not to divide the multiple operation, has convenient, high-efficient, high-quality effect of processing.

The utility model is further provided with: the four pressing blocks are arranged on the same straight line.

The utility model is further provided with: the end face of the pressing block close to the lower die mechanism is arranged to be an inwards concave arc-shaped face, and the arc-shaped face is inwards concave relative to the first forming arc-shaped face to form a groove.

Through adopting above-mentioned technical scheme, at the punching press cutting in-process, the top of cutter can correspond and stretch into in the recess, can prevent to a certain extent to cut the back part waste material and glue even for cut more completely.

The utility model is further provided with: the cutters are correspondingly arranged into four blocks and comprise a middle cutter and an end cutter, the cross section of the middle cutter is arranged into a rectangle, and the notch of the end cutter comprises an arc edge.

The utility model is further provided with: the upper die frame is provided with a plurality of positioning columns, the lower die block is correspondingly provided with a plurality of positioning holes, and when the upper die mechanism and the lower die mechanism are closed, the positioning columns are correspondingly inserted into the positioning holes.

Through adopting above-mentioned technical scheme, when last die carrier and lower die carrier compound die, the reference column corresponds and inserts in the locating hole for the position is more accurate when going up module and lower die block compound die, and the arcwall face shaping effect of diaphragm is better, can prevent to a certain extent about the module dislocation and the inhomogeneous problem of thickness appears.

The utility model is further provided with: the base is provided with a plurality of guide posts, the lower die frame is correspondingly provided with a plurality of guide holes, and the guide posts are in guide fit with the guide holes.

Through adopting above-mentioned technical scheme, when going up die carrier and lower die carrier compound die, the guide pillar removes along the guide hole for the position is more accurate when going up module and lower module compound die, and the lower die carrier offsets the base motion process more steady.

The utility model is further provided with: the elastic supporting component comprises a supporting spring, the supporting spring is sleeved on the guide pillar, and the supporting spring drives the lower die carrier to have a movement trend away from the base all the time.

Through adopting above-mentioned technical scheme, supporting spring's setting makes the cutter of base can slide lower die holder relatively, can prevent to a certain extent that the diaphragm from not being heated completely and make the cutting edge at cutter top touch on the diaphragm to improve and cut the effect.

The utility model is further provided with: the base is equipped with a plurality of spacing support posts, and when lower die carrier pressed to the base, spacing support post and the spacing cooperation of lower die carrier.

By adopting the technical scheme, after the lower die carrier is pressed down, the cutting completion is indicated until the upper end of the limiting support column is abutted against the bottom surface of the lower die carrier, and the limiting support column can play a good limiting stop role for the lower die carrier.

The utility model is further provided with: an annular groove is formed in the circumferential direction of the through hole close to the side wall of the orifice of the second forming cambered surface, and a step is formed between the annular groove and the inner wall of the through hole.

The utility model is further provided with: the upper die mechanism also comprises a top plate, a plurality of ejector pins are arranged on the top plate, through holes for the ejector pins to pass through are formed in the pressing block, and when the top plate moves towards the lower die mechanism, the top ends of the ejector pins extend out of the through holes; when the top plate moves away from the lower die mechanism, the top end of the thimble retracts into the through hole.

Through adopting above-mentioned technical scheme, when cutting the completion back, when going up the separation of lower mould mechanism, the adhesion in the bottom of briquetting may be remained to the waste material after cutting, at this moment, can promote the roof, and the roof drives the thimble and removes in the through-hole, and the waste material top that will adhere in the briquetting is from, drops.

In conclusion, the utility model has the following beneficial effects:

1. by adopting the forming and cutting integrated die, cutting can be realized in a heated forming state, so that the cut is smoother, multi-process operation is not required, and the effects of convenient processing, high efficiency and high quality are achieved;

2. the mode that a groove is formed by inwards recessing between the end face of the pressing block and the first forming cambered surface is adopted, the top of the cutter can correspondingly extend into the groove in the stamping and cutting process, and partial waste materials can be prevented from being adhered after cutting to a certain extent, so that the cutting is more complete;

3. the adoption sets up roof and thimble structure in last mould mechanism, after cutting the completion, can push away the waste material from the briquetting tip.

Drawings

Fig. 1 is a schematic view of the overall structural relationship of embodiment 1.

Fig. 2 is an exploded view of example 1.

Fig. 3 is a schematic view showing a structural relationship in which the upper die mechanism and the lower die mechanism of embodiment 1 are separated from each other.

Fig. 4 is a schematic structural relationship diagram of another view angle in which the upper die mechanism and the lower die mechanism of embodiment 1 are in a separated state.

Fig. 5 is a bottom view of embodiment 1.

Fig. 6 is a sectional view of section a-a in fig. 5.

FIG. 7 is a sectional view of embodiment 2.

In the figure: 1. an upper die mechanism; 11. feeding a mold frame; 111. a positioning column; 12. an upper module; 13. a first forming arc surface; 14. briquetting; 141. an arc-shaped surface; 15. a groove; 16. mounting a template; 2. a lower die mechanism; 21. a lower die frame; 211. a guide hole; 22. a lower module; 221. a second forming arc surface; 222. a through hole; 2221. an annular groove; 2222. a step; 223. positioning holes; 3. a base; 31. a cutter; 311. a middle cutter; 312. an end cutter; 32. a guide post; 33. limiting the prop; 4. an accommodating cavity; 5. a support spring; 6. a top plate; 61. a thimble; 62. a push-pull rod; 7. and a through hole.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

Example 1:

a cutting and forming integrated die is shown in figures 1-4 and comprises an upper die mechanism 1, a lower die mechanism 2 and a base 3, wherein the upper die mechanism 1 comprises an upper die plate 16, an upper die frame 11 and an upper die block 12 arranged on the upper die frame 11, a first forming arc surface 13 is formed on the surface of the upper die frame 11 corresponding to the lower die mechanism 2, four mounting holes are formed in the upper die frame 11, press blocks 14 are inserted in the mounting holes, and the four press blocks 14 are positioned on the same straight line. The lower die mechanism 2 comprises a lower die frame 21 and a lower die block 22 arranged on the lower die frame 21, a second forming arc surface 221 is formed on the surface of the lower die block 22 corresponding to the upper die mechanism 1, the second forming arc surface 221 is matched with the first forming arc surface 13, an accommodating cavity 4 is formed between the first forming arc surface 13 and the second forming arc surface 221 after die assembly, and four through holes 222 corresponding to the press block 14 are formed in the lower die block 22.

As shown in fig. 2, 5 and 6, the base 3 is fixedly provided with four cutters 31, the cutters 31 correspond to the through holes 222 one by one, the top ends of the cutters 31 correspondingly extend into the through holes 222, the top of each cutter 31 is provided with a cutting edge, and when the lower mold block 22 presses the base 3, the cutters 31 pass through the through holes 222 and the top ends thereof are pressed against the pressing block 14. The cutter 31 includes two middle cutters 311 and two end cutters 312, the cross-section of the middle cutter 311 is rectangular, and the cut of the end cutter 312 includes an arc edge. An annular groove 2221 is circumferentially opened in the through hole 222 near the opening side wall of the second forming arc surface 221, and a step 2222 is formed between the annular groove 2221 and the inner wall of the through hole 222.

As shown in fig. 3 and 4, an end surface of the pressing block 14 close to the lower die mechanism 2 is provided with a concave arc surface 141, and the concave arc surface 141 is concave relative to the first forming arc surface 13 to form the groove 15. The top of the cutter 31 is also provided as an arc-shaped surface which is matched with the bottom of the pressing block 14. In the stamping and cutting process, the top of the cutter 31 can correspondingly extend into the groove 15, so that partial waste materials after cutting can be prevented from being adhered to a certain extent, and the cutting is more complete.

As shown in fig. 3 and 4, four guide posts 32 are disposed on four corners of the base 3, four guide holes 211 are correspondingly disposed on the lower mold frame 21, and the guide posts 32 are in guiding fit with the guide holes 211. The upper mold frame 11 is provided with a plurality of positioning columns 111, the lower mold block 22 is correspondingly provided with a plurality of positioning holes 223, and when the upper mold mechanism 1 and the lower mold mechanism 2 are closed, the positioning columns 111 are correspondingly inserted into the positioning holes 223.

When the upper mold frame 11 and the lower mold frame 21 are closed, the guide post 32 moves along the guide hole 211, and the positioning post 111 is correspondingly inserted into the positioning hole 223, so that the upper module 12 and the lower module 22 are accurately positioned when closed, the arc-shaped surface 141 of the diaphragm is better in forming effect, and the problem of uneven thickness caused by dislocation of the upper module 22 and the lower module 22 can be prevented to a certain extent.

As shown in fig. 3, the lower mold mechanism 2 is movably disposed on the base 3 through an elastic supporting component, the elastic supporting component includes a supporting spring 5, the supporting spring 5 is sleeved on the guide post 32, the upper end of the supporting spring 5 supports against the lower mold frame 21, the lower end of the supporting spring 5 supports against the base 3, and the supporting spring 5 drives the lower mold frame 21 to have a movement trend away from the base 3 all the time. The setting of supporting spring 5 makes the cutter 31 of base 3 can slide lower die carrier 21 relatively, can prevent to a certain extent that the diaphragm from not being heated completely and make the cutting edge at cutter 31 top touch on the diaphragm to improve the effect of cutting.

As shown in fig. 2 and 3, the base 3 is provided with a plurality of limiting support posts 33, and when the lower mold frame 21 presses the base 3, the limiting support posts 33 are in limiting fit with the lower mold frame 21. After the lower die carrier 21 is pressed down, the upper end of the limiting abutting column 33 abuts against the bottom surface of the lower die carrier 21, that is, the cutting is finished, and the limiting abutting column 33 can play a good limiting and stopping role on the lower die carrier 21.

The basic working principle of the utility model is as follows: when cutting the shaping, place flat diaphragm correspondence on lower module 22, external equipment heats upper die mechanism 1 and lower die mechanism 2, and the diaphragm preheats through lower die mechanism 2, simultaneously, presses upper die mechanism 1 to lower die mechanism 2 for the whole embedding of diaphragm is in holding chamber 4, and upper die mechanism 1 and lower die mechanism 2 are all heated the back to the upper and lower surface of diaphragm, make the whole arc slice of being heated evenly and forming and laminating mutually with first shaping cambered surface 13, second shaping cambered surface 221 of diaphragm. When the upper die mechanism 1 further presses the lower die frame 21, the lower die frame 21 is integrally pressed down towards the base 3, so that the elastic supporting component is compressed, at the moment, the cutter 31 on the base 3 can penetrate through the through hole 222 and the top of the cutter 31 abuts against the pressing block 14, and the cutting edge at the top of the cutter 31 can cut a notch on the diaphragm. So, adopt the shaping, cut the mould of integration, can realize cutting under the fashioned state of being heated for the incision is more level and smooth, and need not to divide multiple operation, has processing convenience, high efficiency, high-quality effect.

Example 2:

an integrated die for cutting and forming is shown in fig. 7, and the embodiment is different from the embodiment 1 in that: the upper die mechanism 1 further comprises a top plate 6, a plurality of ejector pins 61 are arranged on the top plate 6, through holes 7 for the ejector pins 61 to penetrate through are formed in the pressing block 14, a push-pull rod 62 is arranged on the other end face of the top plate 6, the push-pull rod 62 penetrates through the upper die plate 16, and when the top plate 6 moves towards the lower die mechanism 2, the top ends of the ejector pins 61 extend out of the through holes 7; when the top plate 6 moves away from the lower die mechanism 2, the tip of the thimble 61 retracts into the through hole 7.

When the upper and lower die mechanisms are separated after cutting is completed, the cut waste materials may remain and adhere to the bottom of the pressing block 14, at this time, the top plate 6 is pushed by the push-pull rod 62, and the top plate 6 drives the ejector pin 61 to move into the through hole 7 until the waste materials adhering to the pressing block 14 are ejected and fall off.

Since other structures and basic operation principles are similar to those of embodiment 1, they are not described herein again.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a fashioned integration mould cuts, including last mold mechanism (1), lower mold mechanism (2) and base (3), its characterized in that: the upper die mechanism (1) comprises an upper die frame (11) and an upper die block (12) arranged on the upper die frame (11), a first forming arc surface (13) is formed on the surface of the upper die frame (11) corresponding to the lower die mechanism (2), a plurality of mounting holes are formed in the upper die frame (11), and press blocks (14) are inserted in the mounting holes;

the lower die mechanism (2) comprises a lower die frame (21) and a lower die block (22) arranged on the lower die frame (21), a second forming arc surface (221) is formed on the surface, corresponding to the upper die mechanism (1), of the lower die block (22), the second forming arc surface (221) is matched with the first forming arc surface (13), and a through hole (222) corresponding to the pressing block (14) is formed in the lower die block (22);

an accommodating cavity (4) is formed between the first forming cambered surface (13) and the second forming cambered surface (221);

the lower die mechanism (2) is movably arranged on the base (3) through an elastic supporting component;

the cutting knife assembly is characterized in that a plurality of cutting knives (31) are fixedly arranged on the base (3), the cutting knives (31) correspond to the through holes (222) one by one, and when the lower module (22) presses the base (3), the cutting knives (31) penetrate through the through holes (222) and are tightly abutted to the pressing block (14).

2. The integrated cutting and forming die as claimed in claim 1, wherein: the four pressing blocks (14) are arranged in four, and the four pressing blocks (14) are positioned on the same straight line.

3. The integrated cutting and forming die as claimed in claim 1, wherein: the end face, close to the lower die mechanism (2), of the pressing block (14) is provided with an inwards concave arc-shaped face (141), and the arc-shaped face (141) is inwards concave relative to the first forming arc-shaped face (13) to form a groove (15).

4. The integrated cutting and forming die as claimed in claim 2, wherein: the cutting knife (31) is correspondingly arranged into four pieces, the cutting knife (31) comprises a middle cutting knife (311) and an end cutting knife (312), the cross section of the middle cutting knife (311) is rectangular, and the notch of the end cutting knife (312) comprises an arc edge.

5. The integrated cutting and forming die as claimed in claim 1, wherein: the upper die frame (11) is provided with a plurality of positioning columns (111), the lower die block (22) is correspondingly provided with a plurality of positioning holes (223), and when the upper die mechanism (1) and the lower die mechanism (2) are closed, the positioning columns (111) are correspondingly inserted into the positioning holes (223).

6. The integrated cutting and forming die as claimed in claim 1, wherein: the base (3) is provided with a plurality of guide pillars (32), the lower die carrier (21) is correspondingly provided with a plurality of guide holes (211), and the guide pillars (32) are matched with the guide holes (211) in a guiding manner.

7. The integrated cutting and forming die as claimed in claim 6, wherein: the elastic supporting component comprises a supporting spring (5), the supporting spring (5) is sleeved on the guide post (32), and the supporting spring (5) drives the lower die carrier (21) to always have a movement trend away from the base (3).

8. The integrated cutting and forming die as claimed in claim 1, wherein: the base (3) is provided with a plurality of limiting support columns (33), and when the lower die carrier (21) presses the base (3), the limiting support columns (33) are in limiting fit with the lower die carrier (21).

9. The integrated cutting and forming die as claimed in claim 1, wherein: an annular groove (2221) is formed in the through hole (222) close to the side wall of the opening of the second forming arc surface (221) along the circumferential direction, and a step (2222) is formed between the annular groove (2221) and the inner wall of the through hole (222).

10. The integrated cutting and forming die as claimed in claim 1, wherein: the upper die mechanism (1) further comprises a top plate (6), a plurality of ejector pins (61) are arranged on the top plate (6), through holes (7) for the ejector pins (61) to penetrate through are formed in the pressing block (14), and when the top plate (6) moves towards the lower die mechanism (2), the top ends of the ejector pins (61) extend out of the through holes (7); when the top plate (6) moves away from the lower die mechanism (2), the top end of the ejector pin (61) retracts into the through hole (7).