CN212653782U - Flip-chip mould - Google Patents

Abstract

The utility model discloses a flip-chip mould, which comprises a fixed mould and a movable mould which are matched, wherein the fixed mould and the movable mould enclose a cavity for accommodating a mould core, the fixed mould comprises a fixed mould bottom plate, an ejector pin bottom plate and an ejector pin panel which are arranged in a superposition way, the movable mould comprises a movable mould fixing plate, a first oil cylinder is arranged on the fixed mould bottom plate, the first oil cylinder is in bolt connection with the fixed mould bottom plate, a through hole for installing the first oil cylinder is arranged on the fixed mould bottom plate, a first telescopic rod is arranged at the output end of the first oil cylinder, one end of the first telescopic rod far away from the first oil cylinder is connected with the movable mould, an ejector pin is arranged on the ejector pin bottom plate, the ejector pin penetrates through the ejector pin panel, one end of the ejector pin bottom plate far away from the ejector pin bottom plate extends into the mould core, a second oil, the second telescopic link runs through thimble panel and thimble bottom plate and links to each other with the cover half bottom plate.

Description

Flip-chip mould

Technical Field

The utility model relates to an injection mold technical field especially relates to a flip-chip mould.

Background

The injection mold has two kinds of common forms of just adorning and flip-chip, in order not to leave the runner seal on the surface of product, avoids influencing the outward appearance of product, and injection mold can design into the flip-chip structure and will go into jiao kou and thimble setting in the same one side of injection molding to ensure the appearance quality of product.

Need separate movable mould and cover half behind the flip-chip mould injection moulding, ejecting injection molding from the cover half, install the movable mould again and mould plastics next time on the cover half, it is lower to carry out die sinking and ejecting operating efficiency through the manual work, and the workman can't carry when the mould quality is overweight moreover, and the production efficiency that leads to the flip-chip mould is lower, and is unfavorable for the automated production of product, has increased the cost of labor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a flip-chip mold with high yield is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a flip-chip mould comprises a fixed mould and a movable mould which are matched, wherein the fixed mould and the movable mould enclose a cavity for accommodating a mould core, the fixed mould comprises a fixed mould bottom plate, an ejector pin bottom plate and an ejector pin panel which are arranged in a superposed manner, the movable mould comprises a movable mould fixing plate, a first oil cylinder is arranged on the fixed mould bottom plate, the first oil cylinder is in threaded connection with the fixed mould bottom plate, a through hole for installing the first oil cylinder is formed in the fixed mould bottom plate, a first telescopic rod is arranged at the output end of the first oil cylinder, one end, far away from the first oil cylinder, of the first telescopic rod is connected with the movable mould, an ejector pin is arranged on the ejector pin bottom plate and penetrates through the ejector pin panel, one end, far away from the ejector pin bottom plate, of the ejector pin extends into the mould core, a second oil cylinder is arranged, the fixed die base plate is provided with a blind hole for installation of the second oil cylinder, the output end of the second oil cylinder is provided with a second telescopic rod, the second telescopic rod penetrates through the thimble panel and the thimble base plate and is connected with the fixed die base plate, the fixed die base plate further comprises a main control plate which is respectively connected with the first oil cylinder and the second oil cylinder, the fixed die base plate is provided with a distance sensor, the distance sensor is electrically connected with the main control plate, and the movable die fixing plate is provided with a sensing block matched with the distance sensor.

Furthermore, two opposite first oil cylinders are arranged on the bottom plate of the fixed die.

Furthermore, the movable mould still including setting up movable mould board on the movable mould fixed plate, be equipped with the guide post on the cover half, be equipped with on the movable mould board and be used for dodging the hole site of guide post.

Furthermore, a guide sleeve matched with the guide post is arranged in the hole position.

Furthermore, one side of the movable template, which is close to the fixed mold, is provided with a buffer cushion block.

Furthermore, a gasket is arranged between the thimble bottom plate and the fixed die bottom plate.

Furthermore, a splitter plate is arranged between the fixed die and the core, a main heat runner is arranged on the fixed die, at least two sub-hot runners are arranged on one side, away from the main heat runner, of the splitter plate, the main heat runner is communicated with the sub-hot runners, and the sub-hot runners are connected with the core.

Furthermore, a positioning ring and a sprue bush are arranged on the fixed die, and the main heat runner is arranged in the sprue bush.

Furthermore, a sprue corresponding to the hot distributing runner is arranged on the mold core.

Furthermore, the telescopic speed of the first telescopic rod is greater than that of the second telescopic rod.

The beneficial effects of the utility model reside in that: set up the first hydro-cylinder that links to each other with the movable mould fixed plate on flip-chip mould's cover half bottom plate, set up the second hydro-cylinder that links to each other with the cover half bottom plate simultaneously on flip-chip mould's thimble panel, realize flip-chip mould's automatic die sinking through first hydro-cylinder and second hydro-cylinder drive telescopic link, it is ejecting and reset, simultaneously through the relative position of distance sensor response movable mould and cover half, and then use the automatic motion of controlling the flip-chip module of main control board, workman's intensity of labour has been reduced, do benefit to the automated production who realizes flip-chip mould, reduce the error that manual operation produced, production efficiency and product precision have been improved greatly, the human cost is.

Drawings

Fig. 1 is a schematic structural diagram of a flip-chip mold according to a first embodiment of the present invention.

Description of reference numerals:

1. fixing a mold; 11. a fixed die bottom plate; 12. a thimble base plate; 13. a thimble panel; 14. a first cylinder; 15. a first telescopic rod; 16. a thimble; 17. a second thimble; 18. a second telescopic rod; 19. a distance sensor; 2. moving the mold; 21. a movable mold fixing plate; 22. moving the template; 23. an induction block; 3. a core; 4. a splitter plate.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The utility model discloses the most crucial design lies in: the main control board controls the oil cylinder to drive the telescopic rod to realize automatic die opening, ejection and resetting of the inverted die.

Referring to fig. 1, the inverted mold comprises a fixed mold 1 and a movable mold 2 which are matched with each other, a cavity for accommodating a core 3 is enclosed by the fixed mold 1 and the movable mold 2, the fixed mold 1 comprises a fixed mold bottom plate 11, an ejector pin bottom plate 12 and an ejector pin panel 13 which are arranged in a stacked manner, the movable mold 2 comprises a movable mold fixing plate 21, a first oil cylinder 14 is arranged on the fixed mold bottom plate 11, the first oil cylinder 14 is in threaded connection with the fixed mold bottom plate 11, a through hole for mounting the first oil cylinder 14 is arranged on the fixed mold bottom plate 11, a first telescopic rod 15 is arranged at the output end of the first oil cylinder 14, one end of the first telescopic rod 15, which is far away from the first oil cylinder 14, is connected with the movable mold 2, an ejector pin 16 is arranged on the ejector pin bottom plate 12, the ejector pin 16 penetrates through the ejector pin panel 13, one end, which is far away from the ejector pin bottom plate 12, extends, the second hydro-cylinder 17 with thimble panel 13 spiro union, be equipped with the confession on the cover half bottom plate 11 the blind hole of second hydro-cylinder 17 installation, the output of second hydro-cylinder 17 is equipped with second telescopic link 18, second telescopic link 18 runs through thimble panel 13 with thimble bottom plate 12 and with cover half bottom plate 11 links to each other, still include respectively with first hydro-cylinder 14 reaches second hydro-cylinder 17 electric connection's main control board, be equipped with distance sensor 19 on the cover half bottom plate 11, distance sensor 19 with main control board electric connection, be equipped with on the movable mould fixed plate 21 with distance sensor 19 matched with response piece 23.

The working principle of the utility model is as follows: the fixed die bottom plate 11 of the flip-chip die is provided with a first oil cylinder 14 connected with a movable die fixing plate 21, the ejector pin panel 13 of the flip-chip die is provided with a second oil cylinder 17 connected with the fixed die bottom plate 11, and the telescopic rod is driven by the first oil cylinder 14 and the second oil cylinder 17 to realize automatic die opening, ejection and resetting of the flip-chip die.

From the above description, the beneficial effects of the present invention are: the labor intensity of workers is reduced, the automatic production of the flip-chip die is favorably realized, the errors generated by manual operation are reduced, the production efficiency and the product precision are greatly improved, and the labor cost is reduced.

Furthermore, two opposite first oil cylinders 14 are arranged on the fixed die bottom plate 11.

As can be seen from the above description, the two opposite first oil cylinders 14 are arranged on the fixed die 1, so that the first oil cylinders 14 can more stably drive the fixed die 1 to be separated from the movable die 2, and the movable die 2 is prevented from inclining or falling.

Further, the movable mold 2 further comprises a movable mold plate 22 arranged on the movable mold fixing plate 21, the fixed mold 1 is provided with a guide post, and the movable mold plate 22 is provided with a hole site for avoiding the guide post.

Furthermore, a guide sleeve matched with the guide post is arranged in the hole position.

According to the description, the guide post is arranged on the fixed die 1, the guide sleeve matched with the guide post is arranged on the movable die 2, the movable die 2 is guided to move relative to the fixed die 1, the fixed die 1 cannot be aligned to generate errors when the movable die 2 is reset, and the production precision of the inverted die is improved.

Further, a buffer cushion block is arranged on one side, close to the fixed die 1, of the movable die plate 22.

As can be seen from the above description, the cushion blocks are arranged on the movable die plate 22, so that the damage of the flip-chip die caused by the collision of the movable die plate 22 and the fixed die 1 is prevented, and the service life of the flip-chip die is prolonged.

Further, a gasket is arranged between the thimble bottom plate 12 and the fixed die bottom plate 11.

As can be seen from the above description, a gasket is disposed between the thimble bottom plate 12 and the fixed mold bottom plate 11, and the gasket plays a role of buffering when the thimble bottom plate 12 is reset, so as to prevent the damage of the flip-chip mold caused by the collision between the thimble bottom plate 12 and the fixed mold bottom plate 11.

Further, the cover half 1 with be equipped with flow distribution plate 4 between the core 3, be equipped with main heat runner on the cover half 1, flow distribution plate 4 keeps away from one side of main heat runner is equipped with two at least branch hot runners, main heat runner with divide the hot runner to be linked together, divide the hot runner with the core 3 links to each other.

Can know from the above-mentioned description, set up flow distribution plate 4 and shunt to the melting plastic, avoid the melting plastic direct impact die cavity, prolong flip-chip mould's life, mould plastics the die cavity through a plurality of hot runners that divide, avoid appearing the incomplete phenomenon of pouring, improve product quality.

Further, a positioning ring and a sprue bush are arranged on the fixed die 1, and the main heat runner is arranged in the sprue bush.

Further, a sprue corresponding to the hot runner is arranged on the core 3.

From the above description, the inverted mold is provided with the gates corresponding to the main hot runner and the branch hot runner, so that the molten plastic can be conveniently injected into the inverted mold.

Further, the extension and retraction speed of the first extension and retraction rod 15 is greater than the extension and retraction speed of the second extension and retraction rod 18.

According to the description, the telescopic speed of the first telescopic rod is greater than that of the second telescopic rod, and the automatic die opening speed of the inverted die is greater than the automatic ejection speed of the injection molding part, so that the main control board can control the first oil cylinder and the second oil cylinder to work simultaneously, automatic die opening and ejection are completed simultaneously, and the working efficiency of the inverted die is further improved.

Example one

Referring to fig. 1, a first embodiment of the present invention is: the utility model provides a flip-chip mould, includes matched with cover half 1 and movable mould 2, cover half 1 with movable mould 2 encloses into the die cavity that holds core 3.

Further, the cover half 1 includes cover half bottom plate 11, thimble bottom plate 12 and the thimble panel 13 that the stack set up, movable mould 2 includes movable mould fixed plate 21, be equipped with first hydro-cylinder 14 on the cover half bottom plate 11, be equipped with the confession on the cover half bottom plate 11 the through-hole of first hydro-cylinder 14 installation, first hydro-cylinder 14 is including running through the screw rod of through-hole, the other end of through-hole be equipped with screw rod matched with bolt. The output end of the first oil cylinder 14 is provided with a first telescopic rod 15, and one end, far away from the first oil cylinder 14, of the first telescopic rod 15 is connected with the movable mold 2. The first oil cylinder 14 drives the first telescopic rod 15 to stretch and retract, so that the movable die 2 and the fixed die 1 are automatically separated or matched, and the automatic die opening and resetting of the flip die are realized.

Preferably, the fixed die 1 is provided with two opposite first oil cylinders 14, and the two first oil cylinders 14 drive the movable die 2 to move simultaneously, so that the stability of the movable die 2 during moving is improved, and the movable die 2 is prevented from inclining.

Further, movable mould 2 is still including setting up movable mould board 22 on the movable mould fixed plate 21, be equipped with the guide post on the cover half 1, be equipped with on the movable mould board 22 and be used for dodging the hole site of guide post, be equipped with in the hole site with guide post matched with guide pin bushing, the guide pin bushing is in slide on the guide post and set up, work as movable mould 2 for when cover half 1 removes, movable mould 2 is followed the length direction of guide post removes, makes when movable mould 2 resets with cover half 1 aligns, improves flip-chip mould precision, and then promotes product quality.

Preferably, the movable mould plate 22 is close to a plurality of cushion blocks on one side of the fixed mould 1, and is used for preventing the movable mould 2 from colliding with the fixed mould 1 when resetting to cause the damage of the inverted mould and prolonging the service life of the inverted mould, the cushion blocks are positioned at the edge and the corner of the movable mould plate 22, and the movable mould plate 22 is provided with grooves for mounting the cushion blocks.

Further, the flip-chip mold further comprises a main control board electrically connected to the first oil cylinder 14 and the second oil cylinder 17, the fixed mold base plate 11 is provided with a distance sensor 19 opposite to the movable mold fixing plate 21, the distance sensor 19 is electrically connected to the main control board, the movable mold fixing plate 21 is provided with a sensing block 23 matched with the distance sensor 19, the flip-chip mold can obtain data of the relative distance between the movable mold 2 and the fixed mold 1 by sensing the position of the sensing block 23 by the distance sensor 19 in the mold opening process, after the automatic mold opening of the flip-chip mold is completed, the distance sensor 19 detects that the sensing block 23 reaches a preset position, the main control board controls the second oil cylinder 17 to start working for ejection, preferably, the expansion speed of the first telescopic rod 15 is greater than the expansion speed of the second telescopic rod 18, and then the main control board can control the second oil cylinder 17 to work when the first oil cylinder 14 works, and can automatically eject out when the mold is opened, so that the working efficiency of the flip-chip mold is further improved.

Further, be equipped with thimble 16 on the thimble bottom plate 12, thimble 16 runs through thimble panel 13, thimble 16 keeps away from the one end of thimble bottom plate 12 stretches into core 3, thimble panel 13 keeps away from be equipped with second hydro-cylinder 17 in the one side of cover half bottom plate 11, second hydro-cylinder 17 with thimble panel 13 spiro union, be equipped with the confession on the cover half bottom plate 11 the blind hole of second hydro-cylinder 17 installation. The output end of the second oil cylinder 17 is provided with a second telescopic rod 18, and the second telescopic rod 18 penetrates through the ejector pin panel 13 and the ejector pin bottom plate 12 and is connected with the fixed die bottom plate 11. The second oil cylinder 17 drives the second telescopic rod 18 to stretch and retract to drive the ejector pin panel 13 and the ejector pin bottom plate 12 to be separated from the fixed die 1, so that the ejector pin 16 is driven to move, finished products in the core 3 are automatically ejected out, and the ejector pin bottom plate 12 and the ejector pin panel 13 are automatically reset under the driving of the second oil cylinder 17 after the products are ejected out. Preferably, a gasket is arranged between the thimble bottom plate 12 and the fixed mold bottom plate 11 to relieve the impact on the fixed mold bottom plate 11 when the thimble bottom plate 12 is reset.

As shown in fig. 1, a flow distribution plate 4 is further arranged between the fixed mold 1 and the mold core 3, a positioning ring and a sprue bush are arranged on the fixed mold 1, a main hot runner is arranged in the sprue bush, at least two branch hot runners are arranged on one side of the flow distribution plate 4 away from the main hot runner, the main heat runner is communicated with the hot-distributing runners, the hot-distributing runners are connected with the mold core 3, the novel mold is provided with the gates corresponding to the branch hot runners, molten plastic is divided to each branch hot runner by the main hot runner and then injected into the mold core 3 when the inverted mold is used for injection molding, the novel mold is prevented from being directly impacted by the molten plastic, the service life of the novel mold is prolonged, simultaneously, the split hot runners are used for injection molding, so that the phenomenon of uneven injection molding can be effectively prevented, the rapid molding of products is facilitated, and the quality and the production efficiency of the products are improved.

To sum up, the utility model provides an inverted mould has realized automatic die sinking, ejecting and have reseed, effectively avoided the inverted mould to open and shut the damage that the impact that the in-process produced to the inverted mould, the production efficiency of inverted mould has been promoted greatly, do benefit to injection moulding product's production automation, the cost of labor has been reduced, the life of inverted mould has been prolonged, the error that manual operation produced has been reduced simultaneously, the manufacturing accuracy has further been promoted, the inverted mould is moulded plastics conveniently, the distribution is even in the core to the melting plastics, be favorable to improving product quality.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a flip-chip mould, includes matched with cover half and movable mould, the cover half with the movable mould encloses into the die cavity that holds the core, its characterized in that: the fixed die comprises a fixed die bottom plate, an ejector pin bottom plate and an ejector pin panel which are arranged in a stacked mode, the movable die comprises a movable die fixing plate, a first oil cylinder is arranged on the fixed die bottom plate and is in threaded connection with the fixed die bottom plate, a through hole for mounting the first oil cylinder is formed in the fixed die bottom plate, a first telescopic rod is arranged at the output end of the first oil cylinder, one end, away from the first oil cylinder, of the first telescopic rod is connected with the movable die, an ejector pin is arranged on the ejector pin bottom plate and penetrates through the ejector pin panel, one end, away from the ejector pin bottom plate, of the ejector pin extends into the mold core, a second oil cylinder is arranged on one side, away from the fixed die bottom plate, of the ejector pin panel, the second oil cylinder is in threaded connection with the ejector pin panel, a blind hole for mounting the second oil, the second telescopic link runs through thimble panel with thimble bottom plate and with the cover half bottom plate links to each other, still include respectively with first hydro-cylinder reaches second hydro-cylinder electric connection's main control board, be equipped with distance sensor on the cover half bottom plate, distance sensor with main control board electric connection, be equipped with on the movable mould fixed plate with distance sensor matched with response piece.

2. The flip-chip mold of claim 1, wherein: and the fixed die bottom plate is provided with two opposite first oil cylinders.

3. The flip-chip mold of claim 1, wherein: the movable mould is characterized in that the movable mould further comprises a movable mould plate arranged on the movable mould fixing plate, a guide post is arranged on the fixed mould, and a hole position for avoiding the guide post is arranged on the movable mould plate.

4. The flip-chip mold of claim 3, wherein: and a guide sleeve matched with the guide post is arranged in the hole position.

5. The flip-chip mold of claim 3, wherein: and a buffer cushion block is arranged on one side of the movable template, which is close to the fixed die.

6. The flip-chip mold of claim 1, wherein: and a gasket is arranged between the thimble bottom plate and the fixed die bottom plate.

7. The flip-chip mold of claim 1, wherein: the split-flow type hot runner mold comprises a fixed mold and a mold core, and is characterized in that a split-flow plate is arranged between the fixed mold and the mold core, a main hot runner is arranged on the fixed mold, at least two split-flow runners are arranged on one side, away from the main hot runner, of the split-flow plate, the main hot runner is communicated with the split-flow runners, and the split-flow runners are connected with the mold core.

8. The flip-chip mold of claim 7, wherein: the fixed die is provided with a positioning ring and a sprue bush, and the main heat runner is arranged in the sprue bush.

9. The flip-chip mold of claim 7, wherein: and the mold core is provided with a sprue corresponding to the hot distributing runner.

10. The flip-chip mold of claim 1, wherein: the telescopic speed of the first telescopic rod is greater than that of the second telescopic rod.

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