CN215589863U

CN215589863U - Lens mould

Info

Publication number: CN215589863U
Application number: CN202122236695.1U
Authority: CN
Inventors: 刘佳俊; 唐建刚
Original assignee: Dongguan Longyue Plastic Hardware Co ltd
Current assignee: Dongguan Longyue Plastic Hardware Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-21
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a lens mold, which belongs to the field of molds and comprises a workbench and a conveyor belt, wherein the conveyor belt is positioned below the workbench, a blanking hole is formed in the middle of the workbench, baffles are symmetrically arranged on the lower surface of the workbench, the upper surface of the workbench is connected with a first mold and a second mold in a sliding manner, a cooling water tank is arranged on one side of the upper surface of the workbench, a water inlet pipe is connected onto the top wall of the cooling water tank, a water outlet pipe is connected onto one side wall of the cooling water tank, hydraulic cylinders are arranged on two sides of the upper surface of the workbench, piston rods of the two hydraulic cylinders are jointly fixed with a top plate, a clamping plate is arranged in the middle of the lower surface of the top plate, oblique rods are symmetrically welded on the lower surface of the top plate, and cross rods are fixed on the far side walls of the first mold and the second mold; the injection molding machine is novel in design and ingenious in structure, the mold is prevented from moving during injection molding, the injection molding precision is improved, the product is cooled quickly after injection molding is finished, the injection molding efficiency is improved, and the practicability is high.

Description

Lens mould

Technical Field

The utility model relates to the technical field of molds, in particular to a lens mold.

Background

The lens is an optical component for producing an image in a film camera or a projector.

When the lens is manufactured, most of the lenses are molded by adopting a mold, but the cooling process of the existing mold mostly adopts natural cooling, the required cooling time is long, and the injection molding efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The lens mold provided by the utility model aims to solve the problems that the cooling process of the existing mold in the background art mostly adopts natural cooling, the required cooling time is long, and the injection molding efficiency is low.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the lens mould comprises a workbench and a conveyor belt, wherein the conveyor belt is positioned below the workbench, a blanking hole is formed in the middle of the workbench, baffles are symmetrically arranged on the lower surface of the workbench, the upper surface of the workbench is connected with a first mould and a second mould in a sliding manner, a cooling water tank is installed on one side of the upper surface of the workbench, a water inlet pipe is connected onto the top wall of the cooling water tank, a water outlet pipe is connected onto one side wall of the cooling water tank, hydraulic cylinders are installed on two sides of the upper surface of the workbench, a top plate is jointly fixed on piston rods of the two hydraulic cylinders, a clamping plate is installed in the middle of the lower surface of the top plate, oblique rods are symmetrically welded on the lower surface of the top plate, cross rods are fixed on the side walls, far away from the first mould and the second mould, oblique holes are formed in the cross rods, the oblique rods are matched with the oblique holes in size, a first cooling cavity is formed in the first mould, and the water inlet pipe and the water outlet pipe are communicated with the first cooling cavity, the side wall of the first cooling cavity, which is close to the second mold, is symmetrically connected with communicating pipes, the second mold is internally provided with a second cooling cavity, communicating holes are symmetrically formed in the side wall of the second cooling cavity, which is close to the first mold, and the communicating pipes are matched with the communicating holes in size.

In a preferred embodiment, the conveyor belt is located right below the blanking hole, and a rubber pad is arranged on the surface of the conveyor belt along the length direction.

As a preferred embodiment, the distance between two baffles is larger than the width of the rubber pad, and the distance between the baffle and the conveyor belt is 1-3 cm.

As a preferred embodiment, the upper surface of the workbench is symmetrically provided with sliding grooves, sliding blocks are connected in the sliding grooves, and the sliding blocks on the two sides are respectively and fixedly connected with the bottoms of the first die and the second die.

As a preferred embodiment, the side walls of the first mold and the second mold, which are close to each other, are both provided with molding cavities, one side wall of the first mold is provided with an injection molding opening, and the injection molding opening is communicated with the molding cavities.

As a preferred embodiment, a semiconductor refrigeration sheet and a water pump are installed in the cooling water tank, the water pump is connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are spring pipes.

In a preferred embodiment, a rubber sealing sleeve is bonded to the exterior of the communication pipe.

The utility model has the beneficial effects that:

according to the lens mold, by arranging the cooling cavity I, the cooling cavity II, the cooling water tank, the communicating pipe, the water inlet pipe, the water outlet pipe and other structures, after injection molding is completed, cooling water can be injected into the cooling cavity I and the cooling cavity II at the same time, so that the cooling time of a product is shortened, and the injection molding efficiency is improved;

this lens mould is through setting up splint, down tube, horizontal pole, pneumatic cylinder and roof isotructure, can make mould one and mould two be close to simultaneously to utilize splint to press from both sides mould one and mould two tightly, mould one can not remove with mould two when making injection moulding, has improved the precision of moulding plastics.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the first mold of the present invention;

fig. 3 is a schematic view of the internal structure of the second mold of the present invention.

Reference numbers in the figures: 1. a work table; 2. a conveyor belt; 3. a blanking hole; 4. a baffle plate; 5. a first mould; 6. a second die; 7. a cooling water tank; 8. a water inlet pipe; 9. a water outlet pipe; 10. a hydraulic cylinder; 11. a top plate; 12. a splint; 13. a diagonal bar; 14. a cross bar; 15. an inclined hole; 16. a first cooling cavity; 17. a communicating pipe; 18. a second cooling cavity; 19. and a communicating hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, the lens mold comprises a workbench 1 and a conveyor belt 2, wherein the conveyor belt 2 is located below the workbench 1, a blanking hole 3 is formed in the middle of the workbench 1, the conveyor belt 2 is located right below the blanking hole 3 and can automatically fall on the conveyor belt 2 when a product falls, a rubber pad is arranged on the surface of the conveyor belt 2 along the length direction and plays a role in buffering, the probability that the product is damaged during blanking is reduced, baffles 4 are symmetrically arranged on the surface of the workbench 1, the distance between the two baffles 4 is larger than the width of the rubber pad, the baffles 4 can prevent the product from falling off the conveyor belt 2, and the distance from the baffles 4 to the conveyor belt 2 is 1-3 cm.

Referring to fig. 1, the upper surface sliding connection of workstation 1 has mould one 5 and mould two 6, the spout has been seted up to the upper surface symmetry of workstation 1, the spout in-connection has the slider, and the slider of both sides respectively with the bottom fixed connection of mould one 5 and mould two 6, utilize spout and slider, it is spacing to lead to mould one 5 and mould two 6, the shaping chamber has all been seted up on the lateral wall that mould one 5 and mould two 6 are close to mutually, the mouth of moulding plastics has been seted up on the lateral wall of mould one 5, and the mouth of moulding plastics is linked together with the shaping chamber, during moulding plastics, add the shaping intracavity through the mouth of moulding plastics with the raw materials of molten condition.

Referring to fig. 1, cooling water tank 7 is installed to one side of workstation 1 upper surface, be connected with inlet tube 8 on cooling water tank 7's the roof, be connected with outlet pipe 9 on cooling water tank 7's the lateral wall, install semiconductor refrigeration piece and water pump in cooling water tank 7, semiconductor refrigeration piece can cool off aqueous solution, make aqueous solution keep low temperature all the time, and the water pump is connected with outlet pipe 9, the play water end of water pump is fixed and the intercommunication with outlet pipe 9, inlet tube 8 and outlet pipe 9 are the spring pipe, inlet tube 8 and outlet pipe 9 can be tensile, can not influence the removal of a mould 5.

Referring to fig. 1 and 2, hydraulic cylinders 10 are installed on two sides of the upper surface of a workbench 1, piston rods of the two hydraulic cylinders 10 are jointly fixed with a top plate 11, a clamping plate 12 is installed at the middle position of the lower surface of the top plate 11, the clamping plate 12 can clamp and fix a first mold 5 and a second mold 6, the lower surface of the top plate 11 is symmetrically welded with inclined rods 13, cross rods 14 are fixed on the side walls, away from the first mold 5 and the second mold 6, of the first mold 5 and the second mold 6, inclined holes 15 are formed in the cross rods 14, the inclined rods 13 are matched with the inclined holes 15 in size, when the top plate 11 descends, the inclined rods 13 are inserted into the inclined holes 15, and therefore the first mold 5 and the second mold 6 are close to each other.

Referring to fig. 2 and 3, a first cooling cavity 16 is formed in a first mold 5, a water inlet pipe 8 and a water outlet pipe 9 are communicated with the first cooling cavity 16, cooling water enters the first cooling cavity 16 through the water inlet pipe 8, communicating pipes 17 are symmetrically connected to the side walls, close to a second mold 6, of the first cooling cavity 16, rubber sealing sleeves are bonded to the outer portions of the communicating pipes 17, after the communicating pipes 17 are inserted into the communicating holes 19 through the rubber sealing sleeves, the sealing performance is good, water solution is not prone to leakage, a second cooling cavity 18 is formed in the second mold 6, the communicating holes 19 are symmetrically formed in the side walls, close to the first mold 5, of the second cooling cavity 18, and the communicating pipes 17 are matched with the communicating holes 19 in size.

The working principle is as follows: the hydraulic cylinder 10 is utilized to drive the top plate 11 to descend, when the top plate 11 descends, the inclined rod 13 enters the inclined hole 15, the inclined rod 13 descends continuously, the first mold 5 and the second mold 6 are close to each other through the cross rod 14, the communicating pipe 17 on the first mold 5 can be inserted into the communicating hole 19 of the second mold 6, the first cooling cavity 16 and the second cooling cavity 18 are communicated with each other, the rubber sealing sleeve enables the connected sealing performance to be good, the water solution is not prone to leakage, when the first mold 5 and the second mold 6 are completely close to each other, the clamping plate 12 clamps the tops of the first mold 5 and the second mold 6 just, the first mold 5 and the second mold 6 cannot move during injection molding, the injection molding accuracy is improved, then the molten raw material is added into the molding cavity through the injection molding opening, the product is molded, a proper amount of water solution is added into the cooling water tank 7 after the product is molded, the semiconductor refrigeration sheet cools the water, then the water pump is started to enable the water to enter the first cooling cavity 16 through the water outlet pipe 9, then through communicating pipe 17 get into cooling chamber two 18 in, rethread inlet tube 8 gets into coolant tank 7 in, constantly circulate, thereby cool off the temperature to the product fast, the efficiency of moulding plastics is improved, the cooling is accomplished the back, pneumatic cylinder 10 promotes roof 11 and rises, mould one 5 and mould two 6 are automatic separately, the product falls on conveyer belt 2 through unloading hole 3, the rubber pad plays the effect of buffering, reduce the probability that the product damaged when the unloading, baffle 4 can prevent that the product from dropping from conveyer belt 2, and is simple and practical.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Lens mould, including workstation (1) and conveyer belt (2), its characterized in that, conveyer belt (2) are located the below of workstation (1), unloading hole (3) have been seted up to the intermediate position of workstation (1), workstation (1) lower surface symmetry is provided with baffle (4), the last sliding surface of workstation (1) is connected with mould one (5) and mould two (6), cooling water tank (7) are installed to one side of workstation (1) upper surface, be connected with inlet tube (8) on the roof of cooling water tank (7), be connected with outlet pipe (9) on the lateral wall of cooling water tank (7), pneumatic cylinder (10) are all installed to workstation (1) upper surface both sides, the piston rod of two pneumatic cylinders (10) is fixed with roof (11) jointly, splint (12) are installed to the intermediate position of roof (11) lower surface, the lower surface symmetry welding of roof (11) has down tube (13), all be fixed with horizontal pole (14) on the lateral wall that mould (5) and mould two (6) kept away from mutually, and seted up inclined hole (15) on horizontal pole (14), and down tube (13) and inclined hole (15) size phase-match, cooling chamber (16) have been seted up in mould (5), and inlet tube (8) and outlet pipe (9) all are linked together with cooling chamber (16), symmetrical connection has communicating pipe (17) on the lateral wall that cooling chamber (16) are close to mould two (6), cooling chamber two (18) have been seted up in mould two (6), intercommunicating pore (19) have been seted up to the symmetry on the lateral wall that cooling chamber two (18) are close to mould one (5), and communicating pipe (17) and intercommunicating pore (19) size phase-match.

2. The lens mold according to claim 1, wherein the conveyor (2) is located right below the blanking hole (3), and a rubber pad is provided on the surface of the conveyor (2) in the length direction.

3. Lens mould according to claim 2, characterized in that the distance between two baffles (4) is larger than the width of the rubber mat and the distance between the baffles (4) and the conveyor (2) is 1-3 cm.

4. The lens mold according to claim 1, wherein the upper surface of the table (1) is symmetrically provided with sliding grooves, sliding blocks are connected in the sliding grooves, and the sliding blocks on two sides are respectively fixedly connected with the bottoms of the first mold (5) and the second mold (6).

5. The lens mold as claimed in claim 1, wherein the side walls of the first mold (5) and the second mold (6) close to each other are provided with molding cavities, one side wall of the first mold (5) is provided with an injection port, and the injection port is communicated with the molding cavities.

6. The lens mold according to claim 1, wherein the cooling water tank (7) is internally provided with a semiconductor refrigeration sheet and a water pump, the water pump is connected with a water outlet pipe (9), and the water inlet pipe (8) and the water outlet pipe (9) are both spring pipes.

7. The lens mold according to claim 1, wherein a rubber boot seal is bonded to an exterior of the communication pipe (17).