CN212288908U

CN212288908U - Stamping die based on COF winding base material

Info

Publication number: CN212288908U
Application number: CN202020555772.2U
Authority: CN
Inventors: 张小宝
Original assignee: Zhuhai Hongdian Electronic Technology Co ltd
Current assignee: Zhuhai Hongdian Electronic Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-01-05
Anticipated expiration: 2030-04-15

Abstract

The utility model provides a stamping die based on COF winding base material. The COF tape base material-based stamping die comprises a positioning base; the top table is fixedly arranged at the top of the positioning base; the lower die is fixedly arranged on the top of the positioning base; the hydraulic cylinder is fixedly arranged at the bottom of the top platform; the mounting female seat is arranged above the lower die, and the top of the mounting female seat is fixedly connected with an output shaft of the hydraulic cylinder; an upper mold disposed above the lower mold; the two abutting panels are fixedly arranged on two sides of the upper die respectively, and the tops of the abutting panels are in contact with the mounting female seat. The utility model provides a stamping die based on COF winding substrate has the advantage that the mould is changed simply rapidly, save time, improvement work efficiency.

Description

Stamping die based on COF winding base material

Technical Field

The utility model relates to the technical field of mold, especially, relate to a stamping die based on COF winding base material.

Background

COF is often called as chip on film, and is a technology for packaging a die and a flexible film for fixing an integrated circuit on a flexible circuit board, and a flexible additional circuit board is used as a carrier for packaging a chip to combine the chip with a flexible substrate circuit, or a flexible additional circuit board without a packaged chip is used alone.

However, traditional stamping die discovers when using, because the activity that is located the top goes up the mould and need relapse a lot of and push down to with the lower mould cooperation shaping work, the loss is fast, life is lower, need change it many times, and traditional mounting means is fixed for the solid round pin or through a plurality of bolts mostly, and the process is troublesome and loaded down with trivial details, makes work efficiency comparatively low.

Therefore, there is a need to provide a new COF tape substrate-based stamping die to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an go up the stamping die based on COF winding substrate that the mould was changed simply rapidly, save time, was improved work efficiency.

In order to solve the technical problem, the utility model provides a stamping die based on COF winding base material includes: a positioning base; the top table is fixedly arranged at the top of the positioning base; the lower die is fixedly arranged on the top of the positioning base; the hydraulic cylinder is fixedly arranged at the bottom of the top platform; the mounting female seat is arranged above the lower die, and the top of the mounting female seat is fixedly connected with an output shaft of the hydraulic cylinder; an upper mold disposed above the lower mold; the two abutting panels are fixedly installed on two sides of the upper die respectively, and the tops of the abutting panels are in contact with the mounting female seat; the slot is formed in the bottom of the mounting female seat, the top of the upper die extends into the slot, and the upper die is matched with the slot; the movable cavity is formed in the mounting female seat; the top pushing plate is arranged in the movable cavity, and the bottom of the top pushing plate is in contact with the upper die; the two movable rods are fixedly arranged at the top of the top pushing plate, and the top ends of the movable rods extend to the upper part of the mounting female seat and are in sliding connection with the inner wall of the top of the movable cavity; the two first springs are respectively sleeved on the two movable rods, the top ends of the movable rods are fixedly connected with the inner wall of the top of the movable cavity, and the bottom ends of the first springs are fixedly connected with the top pushing plate; the two clamping grooves are respectively formed in two sides of the upper die; and the mounting mechanism is arranged on the mounting female seat.

Preferably, the mounting mechanism comprises two engagement grooves and two insertion blocks, the two connecting grooves are respectively formed in the inner walls of the two sides of the inserting groove, the two embedded blocks are respectively and slidably mounted on the inner walls of the top and the bottom of the connecting groove, one side, close to each other, of each embedded block extends into the corresponding embedded groove, the two push-pull rods are respectively and slidably mounted on the inner wall of one side, far away from each other, of each connecting groove, one ends, far away from each other, of the two push-pull rods extend out of the mounting female seat, one ends, close to each other, of the two push-pull rods are respectively and fixedly connected with the two embedded blocks, the two springs are respectively sleeved on the two push-pull rods, one ends, close to each other, of the two springs are respectively and fixedly connected with the two embedded blocks, and one ends, far away from each other, of the two springs are respectively and fixedly connected with the inner wall of one side, far away from each other, of the connecting groove.

Preferably, the top end of the movable rod is fixedly provided with a position-fixing plate.

Preferably, the top of the positioning base is fixedly provided with two support rods, and the top ends of the support rods are fixedly connected with the top platform.

Preferably, a circular ring is fixedly installed at one end of the push-pull rod, which is located outside the installation female seat.

Preferably, the top and the bottom inner wall of the joining groove are both provided with a limiting sliding groove, a sliding block is arranged in the limiting sliding groove in a sliding manner, and one side, close to each other, of the two sliding blocks extends to the outside of the corresponding limiting sliding groove and is fixedly connected with the embedded block.

Compared with the prior art, the utility model provides a stamping die based on COF winding base material has following beneficial effect:

the utility model provides a stamping die based on COF winding substrate, when changing the mould, toward two rings of direction pulling of keeping away from each other, draw out the abaculus clamping groove, afterwards alright go up the mould take out can, and insert in the slot with new last mould, after the push pedal to the top of contact, spring one is compressed once more, until after supporting the panel contact female seat of installation, loosen the ring, the abaculus just blocks into the clamping groove, accomplish the change then, the reverse thrust of spring one, make the fixed of going up the mould more reliable, the change process is simple rapid, in long-term work, accumulated mass time of having practiced thrift, corresponding improvement work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a COF tape substrate-based stamping die according to a preferred embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. the device comprises a positioning base, 2, a top platform, 3, a lower die, 4, a hydraulic cylinder, 5, a mounting female seat, 6, an upper die, 7, a butting plate, 8, a slot, 9, a movable cavity, 10, a top pushing plate, 11, a movable rod, 12, a first spring, 13, an embedding groove, 14, a connecting groove, 15, an embedding block, 16, a push-pull rod, 17 and a second spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a COF tape substrate-based stamping die according to a preferred embodiment of the present invention; fig. 2 is an enlarged schematic view of a portion a shown in fig. 1. The COF tape base material-based stamping die comprises: a positioning base 1; the top table 2 is fixedly arranged at the top of the positioning base 1; the lower die 3 is fixedly arranged on the top of the positioning base 1; the hydraulic cylinder 4 is fixedly arranged at the bottom of the top platform 2; the mounting female seat 5 is arranged above the lower die 3, and the top of the mounting female seat 5 is fixedly connected with an output shaft of the hydraulic cylinder 4; an upper mold 6, the upper mold 6 being disposed above the lower mold 3; the two abutting plates 7 are respectively and fixedly installed on two sides of the upper die 6, and the top of each abutting plate 7 is in contact with the corresponding installation female seat 5; the slot 8 is formed in the bottom of the mounting female seat 5, the top of the upper die 6 extends into the slot 8, and the upper die 6 is matched with the slot 8; the movable cavity 9 is formed in the mounting female seat 5, and the movable cavity 9 is formed in the mounting female seat; the top push plate 10 is arranged in the movable cavity 9, and the bottom of the top push plate 10 is in contact with the upper die 6; the two movable rods 11 are fixedly arranged at the top of the pushing plate 10, and the top ends of the movable rods 11 extend to the upper part of the mounting female seat 5 and are in sliding connection with the inner wall of the top of the movable cavity 9; the two springs I12 are respectively sleeved on the two movable rods 11, the top ends of the movable rods 11 are fixedly connected with the inner wall of the top of the movable cavity 9, and the bottom ends of the springs I12 are fixedly connected with the top pushing plate 10; the two clamping grooves 13 are respectively formed in two sides of the upper die 6; and the mounting mechanism is arranged on the mounting female base 5.

The mounting mechanism comprises two joining grooves 14, two embedded blocks 15, two push-pull rods 16 and two springs 17, wherein the two joining grooves 14 are respectively formed in the inner walls of the two sides of the slot 8, the two embedded blocks 15 are respectively slidably mounted on the inner walls of the top and the bottom of the two joining grooves 14, the sides, close to each other, of the two embedded blocks 15 respectively extend into the corresponding embedded grooves 13, the two push-pull rods 16 are respectively slidably mounted on the inner walls, far away from each other, of the two connecting grooves 14, the ends, far away from each other, of the two push-pull rods 16 respectively extend out of the mounting female base 5, the ends, close to each other, of the two push-pull rods 16 are respectively fixedly connected with the two embedded blocks 15, the two springs 17 are respectively sleeved on the two push-pull rods 16, and the ends, close to each other, of the two springs 17 are respectively fixedly connected with the two embedded blocks 15, one ends of the two second springs 17, which are far away from each other, are fixedly connected with the inner wall of one side, which is far away from each other, of the two joining grooves 14 respectively.

And a position-fixing plate is fixedly arranged at the top end of the movable rod 11.

The top of the positioning base 1 is fixedly provided with two support rods, and the top ends of the support rods are fixedly connected with the top platform 2.

And a circular ring is fixedly arranged at one end of the push-pull rod 16, which is positioned outside the mounting female seat 5.

The top and the bottom inner wall of the joining groove 14 are both provided with a limiting sliding groove, a sliding block is arranged in the limiting sliding groove in a sliding manner, and one side, close to each other, of the two sliding blocks extends to the corresponding limiting sliding groove and is fixedly connected with the embedded block 15.

The utility model provides a stamping die based on COF winding base material's theory of operation as follows:

under the original state, a first spring 12 in the device is under a stressed compression state, when an upper die 6 is seriously damaged and needs to be replaced, two rings are connected with an external traction device, then the two rings are pulled in the direction away from each other, the rings can drive a push-pull rod 16 to slide, the two push-pull rods 16 can pull two embedded blocks 15 in the direction away from each other, at the moment, a second spring 17 is stressed and compressed, after the two embedded blocks 15 are all moved out of corresponding embedding grooves 13, the upper die 6 loses fixed limit, then the upper die 6 can be taken out, at the moment, the top push plate 10 loses limit, the first spring 12 returns to the original state, a new upper die 6 is inserted into the slot 8, after the top push plate 10 is contacted, the top push plate 10 is propped against and the first spring 12 is compressed again until the abutting panel 7 contacts the mounting female seat 5, the ring can be loosened, so that the embedded block 15 can be brought into the embedding groove 13 through the self restoring principle of the second spring 17, then the replacement is completed, and after the installation is completed, the first spring 12 and the ejection plate 10 push the upper die 6 reversely, so that the upper die 6 is fixed more reliably.

the utility model provides a stamping die based on COF winding substrate, when mould 6 is gone up in the change, two rings of orientation pulling toward keeping away from each other, draw out the caulking groove 13 with abaculus 15, afterwards alright take out last mould 6 can, and insert in the slot 8 with new last mould 6, after the push pedal 10 that reaches the summit is contacted, spring one 12 is compressed once more, until reaching panel 7 and contacting behind female seat of installation 5, loosen the ring, the abaculus 15 just blocks into in the caulking groove 13, accomplish the change then, the reverse thrust of spring one 12, make the fixed more reliable of last mould 6, the change process is simple rapidly, in long-term work, the accumulated mass time of having practiced thrift, corresponding improvement work efficiency.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A kind of stamping die based on COF tape base material, characterized by that, including:

a positioning base;

the top table is fixedly arranged at the top of the positioning base;

the lower die is fixedly arranged on the top of the positioning base;

the hydraulic cylinder is fixedly arranged at the bottom of the top platform;

the mounting female seat is arranged above the lower die, and the top of the mounting female seat is fixedly connected with an output shaft of the hydraulic cylinder;

an upper mold disposed above the lower mold;

the two abutting panels are fixedly installed on two sides of the upper die respectively, and the tops of the abutting panels are in contact with the mounting female seat;

the slot is formed in the bottom of the mounting female seat, the top of the upper die extends into the slot, and the upper die is matched with the slot;

the movable cavity is formed in the mounting female seat;

the top pushing plate is arranged in the movable cavity, and the bottom of the top pushing plate is in contact with the upper die;

the two movable rods are fixedly arranged at the top of the top pushing plate, and the top ends of the movable rods extend to the upper part of the mounting female seat and are in sliding connection with the inner wall of the top of the movable cavity;

the two first springs are respectively sleeved on the two movable rods, the top ends of the movable rods are fixedly connected with the inner wall of the top of the movable cavity, and the bottom ends of the first springs are fixedly connected with the top pushing plate;

the two clamping grooves are respectively formed in two sides of the upper die;

and the mounting mechanism is arranged on the mounting female seat.

2. The COF tape substrate-based stamping die of claim 1, wherein the mounting mechanism comprises two engagement grooves, two blocks, two push-pull rods and two springs, the two engagement grooves are respectively formed on the inner walls of the two sides of the insertion groove, the two blocks are respectively slidably mounted on the top and bottom inner walls of the two engagement grooves, the sides of the two blocks close to each other extend into the corresponding engagement grooves, the two push-pull rods are respectively slidably mounted on the inner walls of the two engagement grooves far away from each other, the ends of the two push-pull rods far away from each other extend out of the mounting female seat, the ends of the two push-pull rods close to each other are respectively fixedly connected with the two blocks, the two springs are respectively sleeved on the two push-pull rods, and the ends of the two springs close to each other are respectively fixedly connected with the two blocks, one ends of the two springs, which are far away from each other, are fixedly connected with the inner wall of one side, which is far away from each other, of the two connecting grooves respectively.

3. The COF tape substrate-based stamping die of claim 1, wherein a retention plate is fixedly mounted on the top end of the movable rod.

4. The COF tape substrate-based stamping die of claim 1, wherein two support rods are fixedly mounted on the top of the positioning base, and the top ends of the support rods are fixedly connected to the top stage.

5. The COF tape substrate-based stamping die of claim 2, wherein an end of the push-pull rod outside the female mounting seat is fixedly mounted with a ring.

6. The COF tape base material-based stamping die according to claim 2, wherein the top and bottom inner walls of the engaging groove are respectively provided with a limiting sliding groove, a sliding block is slidably mounted in the limiting sliding groove, and one side of each of the two sliding blocks, which is close to each other, extends to the outside of the corresponding limiting sliding groove and is fixedly connected with the insert block.