CN210453475U

CN210453475U - Keyboard button liquid injection molding equipment

Info

Publication number: CN210453475U
Application number: CN201921482170.2U
Authority: CN
Inventors: 姜在国
Original assignee: Dongguan Riyuansheng Rubber Insulation Product Co ltd
Current assignee: Dongguan Risheng insulation products Co., Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-05-05
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a liquid injection moulding equipment of keyboard button, which comprises a platform, the top fixed mounting of platform has the lower mould, five die cavities have been seted up to the equidistant top of lower mould, all be equipped with mould benevolence in five die cavities, the bottom of five mould benevolence all with the bottom inner wall sealing contact of corresponding die cavity, the fixed slot has been seted up at the top of platform, fixed mounting has first cylinder in the fixed slot, the output fixed mounting of first cylinder has the fly leaf, equidistant fixed mounting in top of fly leaf has five push rods, the top fixed mounting of platform has two montants, the lower mould is located between two montants. The utility model relates to a rationally, the practicality is good, and the simple operation can effectively cushion the impact force that the compound die in-process produced, and the impaired condition of mould and lower mould is gone up in great reduction for mould stability that opens and shuts is higher, is convenient for carry out the drawing of patterns to injection moulding's button moreover, and labour saving and time saving has improved work efficiency.

Description

Keyboard button liquid injection molding equipment

Technical Field

The utility model relates to an injection moulding device technical field specifically is a keyboard button liquid injection moulding device.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is divided into a vertical type, a horizontal type and an all-electric type, wherein the injection molding machine can heat the plastics and apply high pressure to the molten plastics to ensure that the molten plastics are injected to fill a die cavity of the die.

However, in the prior art, when the keyboard keys are subjected to injection molding, the keyboard key liquid injection molding equipment has poor stability of mold opening and closing, impact force generated in the mold closing process is large, the upper mold and the lower mold are easily damaged, the service life of the equipment is shortened, and after injection molding is completed, demolding work is not easily performed, so that the work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a keyboard button liquid injection moulding equipment has solved the keyboard button liquid injection moulding equipment and has carried out the stability of open and shut mould relatively poor, and the impact force that the compound die in-process produced is great, causes mould and lower mould impaired easily, the problem of the drawing of patterns of should not in addition.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: keyboard key liquid injection molding equipment comprises a platform, wherein a lower die is fixedly installed at the top of the platform, five die cavities are formed in the top of the lower die at equal intervals, die inserts are arranged in the five die cavities, the bottoms of the five die inserts are in sealing contact with the inner walls of the bottoms of the corresponding die cavities, a fixed groove is formed in the top of the platform, a first air cylinder is fixedly installed in the fixed groove, a movable plate is fixedly installed at the output end of the first air cylinder, five push rods are fixedly installed at the top of the movable plate at equal intervals, two vertical rods are fixedly installed at the top of the platform, the lower die is positioned between the two vertical rods, the same transverse plate is fixedly installed at the top of the two vertical rods, a second air cylinder is fixedly installed at the top of the transverse plate, a telescopic rod is fixedly installed at the output end of, the bottom ends of the two connecting posts are fixedly arranged at the top of the upper die, five liquid injection holes are formed in the top of the upper die, liquid injection pipes are fixedly arranged in the five liquid injection holes, the top ends of the five liquid injection pipes respectively extend out of the corresponding liquid injection holes, a connecting pipe positioned between the two connecting posts is arranged above the upper die, the five liquid injection pipes are fixedly arranged at the bottom of the connecting pipe, the five liquid injection pipes are communicated with the connecting pipe, a liquid outlet hose is fixedly arranged at the top of the connecting pipe and is communicated with the connecting pipe, four sliding grooves are formed in the bottom of the upper die, the four sliding grooves are symmetrically arranged in pairs, springs are fixedly arranged on the inner walls of the tops of the four sliding grooves, buffer plates are fixedly arranged at the bottom ends of the four springs, the four buffer plates are in sliding contact with the inner walls of the corresponding sliding grooves, and a water inlet pipe and a water outlet pipe are respectively and fixedly arranged on two sides of the lower die.

Preferably, the lower die is provided with two first cooling water cavities and two second cooling water cavities, the two second cooling water cavities are respectively communicated with the two first cooling water cavities, and the water inlet pipe and the water outlet pipe are respectively communicated with the corresponding first cooling water cavities.

Preferably, the inner walls of the bottoms of the five die cavities are provided with connecting holes, and the top ends of the five push rods respectively penetrate through the corresponding connecting holes and are fixedly connected with the bottoms of the corresponding die cores.

Preferably, the inner walls of the two sides of the fixing groove are provided with limit grooves, and the two sides of the movable plate are respectively slidably mounted in the corresponding limit grooves.

Preferably, the top of the transverse plate is provided with a through hole, and the telescopic rod penetrates through the through hole.

Preferably, the guide plates are fixedly arranged on two sides of the upper die respectively, and the two guide plates are sleeved on the corresponding vertical rods in a sliding mode respectively.

(III) advantageous effects

The utility model provides a keyboard button liquid injection moulding device. The method has the following beneficial effects:

(1) the keyboard key liquid injection molding device has the advantages that by starting the second cylinder to work, the telescopic rod pushes the connecting plate, the two connecting columns and the upper die to move downwards, the upper die is prevented from deviating in the moving process by utilizing the sliding fit of the two guide plates and the two vertical rods, the four positioning columns respectively slide towards the corresponding sliding chutes, the four positioning columns push the corresponding buffer plates to move, the four springs are compressed and deformed, when the upper die is moved to be in contact with the top of the lower die in a fitting manner, the second air cylinder stops working, the impact force generated when the upper die and the lower die are assembled is buffered by utilizing the elasticity of the four springs and the four buffer plates, the damage condition of the upper die and the lower die is greatly reduced, then injecting a proper amount of liquid raw materials into the five die cavities through the liquid outlet hose, the connecting pipe and the five liquid injection pipes in sequence, and performing injection molding.

(2) The keyboard key liquid injection molding equipment utilizes cooling water to flow into two first cooling water cavities and two second cooling water cavities from a water inlet pipe and then is discharged from a water outlet pipe, so that the five mold cavities are cooled, the raw material forming in the mold cavities is accelerated, after the cooling is finished, the second cylinder is started to reset, a telescopic rod pushes a connecting plate, two connecting columns and an upper mold to move upwards, four springs restore the original positions, then the first cylinder is started to work, the output end of the first cylinder pushes a movable plate and five push rods to move upwards to the highest position, the first cylinder stops working, the five push rods push corresponding mold cores and injection molding keys to rise, the keys are pushed out of the corresponding mold cavities, the injection molded keys are conveniently taken out, then the first cylinder is started to reset, the output end of the first cylinder pushes the movable plate and the five push rods to move downwards, and the five push rods drive the corresponding die cores to move downwards to be in contact with the inner walls of the bottoms of the corresponding die grooves in a fitting manner, and then the first air cylinders stop working.

Drawings

Fig. 1 is a schematic sectional view of the main view of the present invention.

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

Fig. 3 is a schematic sectional view of the lower mold in a plan view.

In the figure: 1. a platform; 2. a lower die; 3. a die cavity; 4. a mold core; 5. fixing grooves; 6. a first cylinder; 7. a movable plate; 8. a push rod; 9. a vertical rod; 10. a transverse plate; 11. a second cylinder; 12. a telescopic rod; 13. a connecting plate; 14. connecting columns; 15. an upper die; 16. a liquid injection hole; 17. a liquid injection pipe; 18. a connecting pipe; 19. a liquid outlet hose; 20. a chute; 21. a spring; 22. a buffer plate; 23. a positioning column; 24. a water inlet pipe; 25. a water outlet pipe; 26. a first cooling water chamber; 27. and a second cooling water cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: keyboard key liquid injection molding equipment comprises a platform 1, wherein a lower die 2 is fixedly installed at the top of the platform 1, five die cavities 3 are formed at the top of the lower die 2 at equal intervals, die inserts 4 are arranged in the five die cavities 3, the bottoms of the five die inserts 4 are in sealing contact with the inner walls of the bottoms of the corresponding die cavities 3, a fixed groove 5 is formed at the top of the platform 1, a first air cylinder 6 is fixedly installed in the fixed groove 5, a movable plate 7 is fixedly installed at the output end of the first air cylinder 6, five push rods 8 are fixedly installed at the top of the movable plate 7 at equal intervals, two vertical rods 9 are fixedly installed at the top of the platform 1, the lower die 2 is positioned between the two vertical rods 9, the same transverse plate 10 is fixedly installed at the top ends of the two vertical rods 9, a second air cylinder 11 is fixedly installed at the top of the transverse plate 10, two connecting posts 14 are fixedly mounted at the bottom of the connecting plate 13, an upper die 15 is arranged above the lower die 2, the bottom ends of the two connecting posts 14 are fixedly mounted at the top of the upper die 15, five liquid injection holes 16 are formed at the top of the upper die 15, liquid injection pipes 17 are fixedly mounted in the five liquid injection holes 16, the top ends of the five liquid injection pipes 17 respectively extend out of the corresponding liquid injection holes 16, a connecting pipe 18 positioned between the two connecting posts 14 is arranged above the upper die 15, the five liquid injection pipes 17 are fixedly mounted at the bottom of the connecting pipe 18, the five liquid injection pipes 17 are communicated with the connecting pipe 18, a liquid outlet hose 19 is fixedly mounted at the top of the connecting pipe 18, the liquid outlet hose 19 is communicated with the connecting pipe 18, four sliding grooves 20 are formed at the bottom of the upper die 15, the four sliding grooves 20 are symmetrically arranged in pairs, springs 21 are fixedly mounted on the inner walls, the four buffer plates 22 are in sliding contact with the inner walls of the corresponding sliding chutes 20, the top of the lower die 2 is fixedly provided with four positioning columns 23, the four positioning columns 23 are respectively positioned right below the corresponding sliding chutes 20, and the two sides of the lower die 2 are respectively fixedly provided with a water inlet pipe 24 and a water outlet pipe 25.

Two first cooling water cavities 26 and two second cooling water cavities 27 have been seted up on lower mould 2, two second cooling water cavities 27 are linked together with two first cooling water cavities 26 respectively, inlet tube 24 and outlet pipe 25 are linked together with corresponding first cooling water cavities 26 respectively, the connecting hole has all been seted up on the bottom inner wall of five die cavity 3, the top of five push rods 8 run through corresponding connecting hole respectively and with the bottom fixed connection of corresponding mould benevolence 4, the spacing groove has all been seted up on the both sides inner wall of fixed slot 5, the both sides of fly leaf 7 are slidable mounting respectively at corresponding spacing inslot, the through-hole has been seted up at the top of diaphragm 10, telescopic link 12 runs through the through-hole, the equal fixed mounting deflector in both sides of last mould 15, two deflector slip cap respectively are established on corresponding montant 9.

When the keyboard key injection molding machine is used, a control switch and an external power line are fixedly installed on a platform 1, the first cylinder 6, the second cylinder 11, the control switch and the external power line are sequentially and electrically connected to form a closed loop, the control switch can respectively control the start-stop and reset work of the first cylinder 6 and the second cylinder 11, a water inlet pipe 24 and a water outlet pipe 25 are respectively connected with an external cooling water pipe, a liquid outlet hose 19 is fixedly connected with an external inlet pipe, the second cylinder 11 is started to work in the process of carrying out injection molding on a keyboard key, a telescopic rod 12 pushes a connecting plate 13, two connecting columns 14 and an upper die 15 to move downwards, the upper die 15 drives the two guide plates to slide downwards on the corresponding vertical rods 9, the moving direction of the upper die 15 is guided by utilizing the sliding fit of the two guide plates and the two vertical rods 9, the deviation of the upper die 15 in the, the four positioning columns 23 respectively slide towards the corresponding sliding chutes 20, the four positioning columns 23 push the corresponding buffer plates to move, the four springs 21 are compressed and deformed to generate elastic force, when the upper die 15 is moved to be in contact with the top of the lower die 2 in an attaching manner, the second cylinder 11 stops working, the impact force generated when the upper die 15 and the lower die 2 are closed is buffered by the elastic force of the four springs 21 and the four buffer plates 22, the damage condition of the upper die 15 and the lower die 2 is greatly reduced, then a proper amount of liquid raw materials can be injected into the five die cavities 3 through the liquid outlet hose 19, the connecting pipe 18 and the five liquid inlet pipes 17 in sequence, after the injection molding is finished, cooling water can be used for flowing into the two first cooling water cavities 26 and the two second cooling water cavities 27 from the water inlet pipe 24 and then discharged from the water outlet pipe 25, so as to cool the five die cavities 3 and accelerate the forming of the raw, after cooling, the second cylinder 11 is started to reset, the telescopic rod 12 pushes the connecting plate 13, the two connecting columns 14 and the upper die 15 to move upwards, the four positioning columns 23 respectively slide out of the corresponding sliding grooves 20, the four springs 21 recover to the original positions under the action of elastic force, then the first cylinder 6 is started to work, under the limiting cooperation action of the movable plate 7 and the two limiting grooves, the output end of the first cylinder 6 pushes the movable plate 7 and the five push rods 8 to move upwards to the highest positions, the first cylinder 6 stops working, the five push rods 8 push the corresponding die cores 4 and the injection molding keys to rise, the keys are pushed out of the corresponding die grooves 3, the injection molded keys are conveniently taken out, time and labor are saved, then the first cylinder 6 is started to reset, the output end of the first cylinder 6 pushes the movable plate 7 and the five push rods 8 to move downwards, the five push rods 8 drive the corresponding die cores 4 to move downwards to be attached to the bottom inner walls of the corresponding die grooves 3, the operation of the first cylinder 6 is stopped and the injection of the next batch of keys can be performed according to the above steps, while the details not described in the present specification are well known to those skilled in the art.

In conclusion, the keyboard key liquid injection molding device starts the second cylinder 11 to work, the telescopic rod 12 pushes the connecting plate 13, the two connecting columns 14 and the upper die 15 to move downwards, the two guide plates and the two vertical rods 9 are in sliding fit to avoid deviation in the moving process of the upper die 15, the four positioning columns 23 slide in the corresponding sliding grooves 20 respectively in the downward moving process of the upper die 15, the four positioning columns 23 push the corresponding buffer plates to move, the four springs 21 are in compression deformation, when the upper die 15 is moved to be in contact with the top of the lower die 2 in a fit mode, the second cylinder 11 stops working, the elastic force of the four springs 21 and the impact force generated when the upper die 15 and the lower die 2 are closed are buffered by the four buffer plates 22, the damage condition of the upper die 15 and the lower die 2 is greatly reduced, and then a proper amount of liquid raw materials sequentially pass through the liquid outlet, The connecting pipe 18 and the five liquid injection pipes 17 are injected into the five die cavities 3, after injection molding is finished, cooling water flows into the two first cooling water cavities 26 and the two second cooling water cavities 27 from the water inlet pipe 24 and is discharged from the water outlet pipe 25, so that the five die cavities 3 are cooled, the forming of raw materials in the die cavities 3 is accelerated, after cooling is finished, the second air cylinder 11 is started to reset, the telescopic rod 12 pushes the connecting plate 13, the two connecting columns 14 and the upper die 15 to move upwards, the four springs 21 return to the original positions, then the first air cylinder 6 is started to work, the output end of the first air cylinder 6 pushes the movable plate 7 and the five push rods 8 to move upwards to the highest positions, the first air cylinder 6 is stopped to work, the five push rods 8 push the corresponding die cores 4 and injection molding keys to rise, the keys are pushed out of the corresponding die cavities 3, the injection molded keys are conveniently taken out, and then the first air cylinder 6 is started to, the output of first cylinder 6 promotes fly leaf 7 and five push rods 8 and moves down, and five push rods 8 drive corresponding mould benevolence 4 and move down to the bottom inner wall laminating contact back with corresponding die cavity 3, stop first cylinder 6 work can, the utility model relates to a rationally, the practicality is good, and the simple operation can effectively cushion the impact force that the compound die in-process produced, and the great reduction goes up the impaired condition of mould 15 and lower mould 2 for mould stability that opens and shuts is higher, is convenient for carry out the drawing of patterns to injection moulding's button moreover, and labour saving and time saving has improved work efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Keyboard button liquid injection moulding device, including platform (1), its characterized in that: the top of the platform (1) is fixedly provided with a lower die (2), five die cavities (3) are formed in the top of the lower die (2) at equal intervals, die cores (4) are arranged in the five die cavities (3), the bottoms of the five die cores (4) are in sealing contact with the inner walls of the bottoms of the corresponding die cavities (3), fixed grooves (5) are formed in the top of the platform (1), first air cylinders (6) are fixedly arranged in the fixed grooves (5), movable plates (7) are fixedly arranged at the output ends of the first air cylinders (6), five push rods (8) are fixedly arranged at the tops of the movable plates (7) at equal intervals, two vertical rods (9) are fixedly arranged at the top of the platform (1), the lower die (2) is located between the two vertical rods (9), the top ends of the two vertical rods (9) are fixedly provided with a transverse plate (10), and a second air cylinder (, the output end of the second cylinder (11) is fixedly provided with a telescopic rod (12), the bottom end of the telescopic rod (12) is fixedly provided with a connecting plate (13), the bottom of the connecting plate (13) is fixedly provided with two connecting columns (14), the upper part of the lower die (2) is provided with an upper die (15), the bottom ends of the two connecting columns (14) are fixedly arranged at the top of the upper die (15), the top part of the upper die (15) is provided with five liquid injection holes (16), liquid injection pipes (17) are fixedly arranged in the five liquid injection holes (16), the top ends of the five liquid injection pipes (17) respectively extend out of the corresponding liquid injection holes (16), a connecting pipe (18) positioned between the two connecting columns (14) is arranged above the upper die (15), the five liquid injection pipes (17) are fixedly arranged at the bottom part of the connecting pipe (18), the five liquid injection pipes (17) are communicated with the connecting pipe (18), the top, go out liquid hose (19) and be linked together with connecting pipe (18), four spout (20) have been seted up to the bottom of going up mould (15), four spout (20) are two bisymmetry and arrange, equal fixed mounting has spring (21) on the top inner wall of four spout (20), the equal fixed mounting in bottom of four spring (21) has buffer board (22), four buffer board (22) have the inner wall sliding contact of corresponding spout (20), the top fixed mounting of lower mould (2) has four reference column (23), four reference column (23) are located corresponding spout (20) respectively under, the both sides of lower mould (2) are fixed mounting respectively has inlet tube (24) and outlet pipe (25).

2. The keyboard key liquid injection molding device of claim 1, wherein: two first cooling water cavities (26) and two second cooling water cavities (27) are formed in the lower die (2), the two second cooling water cavities (27) are communicated with the two first cooling water cavities (26) respectively, and the water inlet pipe (24) and the water outlet pipe (25) are communicated with the corresponding first cooling water cavities (26) respectively.

3. The keyboard key liquid injection molding device of claim 1, wherein: connecting holes are formed in the inner walls of the bottoms of the five die cavities (3), and the top ends of the five push rods (8) penetrate through the corresponding connecting holes respectively and are fixedly connected with the bottoms of the corresponding die cores (4).

4. The keyboard key liquid injection molding device of claim 1, wherein: limiting grooves are formed in the inner walls of the two sides of the fixing groove (5), and the two sides of the movable plate (7) are respectively slidably mounted in the corresponding limiting grooves.

5. The keyboard key liquid injection molding device of claim 1, wherein: the top of the transverse plate (10) is provided with a through hole, and the telescopic rod (12) penetrates through the through hole.

6. The keyboard key liquid injection molding device of claim 1, wherein: guide plates are fixedly arranged on two sides of the upper die (15) respectively, and the two guide plates are sleeved on the corresponding vertical rods (9) in a sliding mode respectively.