CN219883055U

CN219883055U - Car light mould heat preservation device

Info

Publication number: CN219883055U
Application number: CN202321063398.4U
Authority: CN
Inventors: 吴小兵; 吴金成; 闵家欢; 王辉明; 罗欣; 周勇波; 陈思; 万婷; 陈敏
Original assignee: Master Technology Wuhan Co ltd
Current assignee: Master Technology Wuhan Co ltd
Priority date: 2023-04-29
Filing date: 2023-04-29
Publication date: 2023-10-24
Anticipated expiration: 2033-04-29

Abstract

The utility model provides a car lamp mold heat preservation device, which comprises a lower mold, wherein an upper mold is arranged at the top of the lower mold, a heat preservation tank is arranged at one side of the lower mold, a water collection tank is arranged at one side of the lower mold, which is far away from the heat preservation tank, and a group of heat preservation pipes are fixedly connected at the bottom end of one side of the heat preservation tank, which is close to the water collection tank.

Description

Car light mould heat preservation device

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a heat preservation device for a car lamp mold.

Background

At present, the production of the car lamp is mainly finished by adopting an injection molding mode. However, in the process of producing the car lamp, the technical staff finds that the condition of cooling and forming at the bottom of the mold tank can occur at the moment that the hot melt material contacts the bottom of the mold tank in the lower mold due to lower internal temperature, and the condition that bubbles exist at the bottom of the mold tank can affect the quality and the yield of injection molding due to the low temperature forming part of the bottom of the mold tank, so that the car lamp mold heat preservation device solves the problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides a heat preservation device for a car lamp die.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a car light mould heat preservation device, includes the bed die, the top of bed die is equipped with the mould, the equal rigid coupling in four corners on bed die top has the spliced pole, the top of spliced pole all rigid coupling has the roof, the cylinder is installed on the top of roof, the bottom and the last mould rigid coupling of the flexible end of cylinder, the top rigid coupling of going up the mould has the filling tube, one side of bed die is equipped with the insulation can, one side that the insulation can was kept away from to the bed die is equipped with the header tank, the top rigid coupling of insulation can has the filler, the insulation can is close to header tank one side bottom rigid coupling and has a set of insulating tube, and the other end of insulating tube passes the bed die and communicates with the header tank.

As the preferred scheme of this embodiment, the check valve is all installed to the one end that the insulating tube is close to the insulation can, the water-collecting tank is close to the bottom rigid coupling of bed die one side has the drinking-water pipe, one side that the bed die is close to the water-collecting tank is equipped with the water pump, and the pumping end and the drinking-water pipe rigid coupling of water pump.

As the preferable scheme of this embodiment, the water outlet end rigid coupling of water pump has the cooling tube, and the other end of cooling tube passes the top rigid coupling of bed die and insulation can.

As the preferred scheme of this embodiment, both sides all are equipped with the bubble mechanism that removes around the bed die, the bubble mechanism that removes includes the fixed plate of rigid coupling both sides around the bed die, the top of fixed plate all rigid coupling has the motor, the output of motor all rigid coupling has the pivot, the top of pivot one side all rigid coupling has the striking pole.

As the preferred scheme of this embodiment, both sides all rigid coupling have straight board around the bed die, the front end of straight board all articulates there is the vibration board.

As the preferable scheme of this embodiment, the outside rigid coupling of filling tube has the insulation cover, the inside both sides rigid coupling of insulation cover has the heating plate.

As the preferable scheme of this embodiment, the bottom rigid coupling of insulation cover has a set of heat conduction pole, and the bottom of heat conduction pole extends into the upper die.

As the preferable scheme of this embodiment, the inside wall of insulation can and water collecting tank all scribbles the heat preservation coating.

As a preferable scheme of the embodiment, limiting plates are fixedly connected to the front sides of the straight plates.

As a preferable scheme of the embodiment, the front side and the rear side of the lower die are fixedly connected with protection pads. Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the utility model, warm water is injected into the heat preservation box, the warm water is utilized to preserve heat in the lower die, so that the condition that the hot-melt material is directly contacted with an ice-cold die groove and is subjected to bottom cooling forming is effectively avoided, heat in the warm water is absorbed by the lower die and then turns into cold water, the cooling rate of the hot-melt material is increased through the cooling pipe, the heat is absorbed and then turns into hot water again, part of heat lost by the hot water is turned into warm water again in the next waiting process, the recycling is facilitated, the problem that air bubbles in the hot-melt material are cooled and formed without treatment is avoided, and the injection molding quality is improved.

(2) According to the utility model, the motor drives the rotating shaft to rotate, the knocking rod is driven by the rotating shaft to knock the oscillating plate, the oscillating plate knocks the lower die, so that the lower die vibrates, bubbles in the hot-melt material are discharged, the occurrence of bubbles in the car lamp is avoided, and the quality of the car lamp is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a de-bubbling mechanism according to the present utility model;

FIG. 4 is a diagram showing the connection relationship among the feeding tube, the insulating sleeve, the heating plate and the heat conducting rod.

The figure shows: 1. the lower die, 2, the upper die, 3, the spliced pole, 4, the roof, 5, the cylinder, 6, the charging tube, 7, the insulation can, 8, the header tank, 9, the water inlet, 10, the insulation tube, 11, the check valve, 12, the water pump, 13, the draft tube, 14, the cooling tube, 15, the bubble removing mechanism, 151, the fixed plate, 152, the motor, 153, the pivot, 154, the knocking rod, 155, the straight board, 156, the oscillating board, 16, the insulation cover, 17, the heating plate, 18, the heat conducting rod, 19, the heat preservation coating, 20, the limiting board, 21, the protection pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, an embodiment of the present utility model provides a heat insulation device for a vehicle lamp mold, which specifically includes a lower mold 1, an upper mold 2 is disposed at the top of the lower mold 1, connecting columns 3 are fixedly connected at four corners of the top end of the lower mold 1, top plates 4 are fixedly connected at the top ends of the connecting columns 3, cylinders 5 are mounted at the top ends of the top plates 4, the bottom ends of telescopic ends of the cylinders 5 are fixedly connected with the upper mold 2, a charging pipe 6 is fixedly connected at the top ends of the upper mold 2, a heat insulation sleeve 16 is fixedly connected at the outer side of the charging pipe 6, heating plates 17 are fixedly connected at both sides of the inner part of the heat insulation sleeve 16, after the heating plates 17 are electrified, the inner temperature of the heat insulation sleeve 16 rises, heat is transferred into the charging pipe 6, and the added hot-melt materials can be heated and insulated, so that the occurrence of sticky conditions of temperature reduction of the hot-melt materials is avoided.

Referring to fig. 1 to 4, a group of heat conducting rods 18 are fixedly connected to the bottom end of the heat insulating sleeve 16, the bottom ends of the heat conducting rods 18 extend into the upper die 2, the heat of hot melt materials in the die grooves can be absorbed into the heat insulating sleeve 16 by the design of the heat conducting rods 18, heat insulation of the feeding tube 6 is further enhanced, one side of the lower die 1 is provided with a heat insulating box 7, one side of the lower die 1, far away from the heat insulating box 7, is provided with a water collecting box 8, the inner side walls of the heat insulating box 7 and the water collecting box 8 are coated with heat insulating coatings 19, and the heat insulating coatings 19 can be designed to insulate warm water in the interior, so that heat loss is reduced.

Referring to fig. 1 to 4, a water inlet 9 is fixedly connected to the top end of an insulation box 7, a group of insulation pipes 10 are fixedly connected to the bottom end of one side of the insulation box 7, which is close to a water collecting tank 8, the other ends of the insulation pipes 10 penetrate through a lower die 1 and are communicated with the water collecting tank 8, one ends of the insulation pipes 10, which are close to the insulation box 7, are provided with check valves 11, a water suction pipe 13 is fixedly connected to the bottom end of one side of the water collecting tank 8, which is close to the lower die 1, a water pump 12 is arranged on one side of the lower die 1, the water suction end of the water pump 12 is fixedly connected with the water suction pipe 13, a cooling pipe 14 is fixedly connected to the water outlet end of the water pump 12, and the other ends of the cooling pipes 14 penetrate through the lower die 1 and are fixedly connected to the top end of the insulation box 7. When the hot melt injection molding machine works, the telescopic end of the air cylinder 5 stretches to drive the upper die 2 to be attached to the lower die 1, warm water is added to the heat preservation pipe 10 through the water adding port 9 before hot melt materials are added into the feeding pipe 6, then the one-way valve 11 is opened, the warm water flows into the heat preservation pipe 10, as the middle part of the heat preservation pipe 10 is positioned in the lower die 1, the heat preservation pipe 10 transfers the temperature in the warm water to the lower die 1, heat preservation treatment is carried out on the lower die 1, then the hot melt materials are added into the feeding pipe 6, after the hot melt materials enter a die groove in the lower die 1, the inner part of the lower die 1 is in a heat preservation state, therefore, the part, in contact with the bottom of the die groove, of the hot melt materials cannot be immediately cooled and formed, at the moment, heat in the warm water is absorbed by the lower die 1 to become cold water, in the process of cooling the hot melt materials, the power supply of the water pump 12 is switched on, the water pumping end of the water pump 12 pumps cold water in the water collecting tank 8 through the water pumping pipe 13, the cold water enters the cooling pipe 14, the cold water in the cooling pipe 14 can absorb the heat in the lower die 1, thereby accelerating the formation of the hot melt materials, after the heat absorption of the hot melt materials can enter the lower die 1, the heat preservation tank 7, and the heat preservation is prepared for one time.

In this embodiment, through injecting warm water in insulation can 7, utilize warm water to keep warm to the inside of bed die 1, effectually avoided the hot melt material directly with cold mould groove contact, the condition that appears bottom cooling shaping takes place, and heat in the warm water becomes cold water after being absorbed by bed die 1, be favorable to accelerating the rate of hot melt material cooling shaping through cooling tube 14, after absorbing the heat, become hot water again, in the in-process of waiting for next time, hot water can run off partial heat and become warm water again, be favorable to realizing cyclic utilization, the bubble has appeared in the hot melt material inside and has just cooled shaping's problem has not been handled yet, the quality of moulding plastics has been improved.

Referring to fig. 2 and 3, the front and rear sides of the lower mold 1 are respectively provided with a bubble removing mechanism 15, the bubble removing mechanism 15 includes a fixing plate 151 fixedly connected to the front and rear sides of the lower mold 1, the top end of the fixing plate 151 is fixedly connected to a motor 152, the output end of the motor 152 is fixedly connected to a rotating shaft 153, the top end of one side of the rotating shaft 153 is fixedly connected to a knocking rod 154, the front and rear sides of the lower mold 1 are fixedly connected to a straight plate 155, the front end of the straight plate 155 is hinged to an oscillating plate 156, the front side of the straight plate 155 is fixedly connected to a limiting plate 20, the limiting plate 20 is designed to limit the track of the oscillating plate 156, the front and rear sides of the lower mold 1 are fixedly connected to a protection pad 21, and the protection pad 21 is designed to prevent the surface of the lower mold 1 from being damaged after the oscillating plate 156 is hit the lower mold 1 for a long time.

After the hot melt material is injected into the automobile, the power supply of the motor 152 is connected, the output end of the motor 152 drives the rotating shaft 153 to rotate, the rotating shaft 153 drives the knocking rod 154 to rotate, the knocking rod 154 can knock the oscillating plate 156 in the rotating process, the oscillating plate 156 can rotate towards one side of the lower die 1 after receiving the knocking, the oscillating plate 156 can knock the lower die 1, the lower die 1 is vibrated, bubbles in the hot melt material are discharged, the rotating shaft 153 is driven by the motor 152 to rotate, the knocking rod 154 is driven by the rotating shaft 153 to knock the oscillating plate 156, the oscillating plate 156 knocks the lower die 1, the lower die 1 is vibrated, the bubbles in the hot melt material are discharged, the occurrence of bubbles in the automobile lamp is avoided, and the quality of the automobile lamp is improved.

The working principle of the utility model is as follows: when in operation, the telescopic end of the air cylinder 5 stretches to drive the upper die 2 to be attached to the lower die 1, before hot melt materials are added into the feeding pipe 6, warm water is added into the heat preservation pipe 10 through the water adding port 9, then the one-way valve 11 is opened, the warm water flows into the heat preservation pipe 10, as the middle part of the heat preservation pipe 10 is positioned in the lower die 1, the heat preservation pipe 10 transfers the temperature in the warm water to the lower die 1 to carry out heat preservation treatment on the lower die 1, then hot melt materials are added into the feeding pipe 6, after the hot melt materials enter a die groove in the lower die 1, the inner part of the lower die 1 is in a heat preservation state, therefore, the part of the hot melt materials, which is contacted with the bottom of the die groove, cannot be immediately cooled and molded, at the moment, the heat in the warm water is absorbed by the lower die 1 to be cold water, after the hot melt materials are injected, the power supply of the motor 152 is switched on, and the output end of the motor 152 drives the rotating shaft 153 to rotate, the rotary shaft 153 drives the knocking rod 154 to rotate, the knocking rod 154 can hit the oscillating plate 156 in the rotating process, the oscillating plate 156 can rotate towards one side of the lower die 1 after being hit, so that the oscillating plate 156 can hit the lower die 1 to enable the lower die 1 to vibrate and discharge bubbles in the hot-melt materials, the rotary shaft 153 drives the rotary shaft 153 to rotate through the motor 152, the rotary shaft 153 drives the knocking rod 154 to hit the oscillating plate 156, the oscillating plate 156 hits the lower die 1 to enable the lower die 1 to vibrate and discharge bubbles in the hot-melt materials, the occurrence of bubbles in the car lamp is avoided, the quality of the car lamp is improved, in the cooling process of the hot-melt materials, the power supply of the water pump 12 is connected, the water pumping end of the water pump 12 pumps cold water in the water collecting tank 8 through the water pumping pipe 13, the cold water enters the cooling pipe 14, the cold water in the cooling pipe 14 can absorb heat in the lower die 1, thereby accelerate the cooling shaping of hot melt material, the water after absorbing the heat can get into the insulation can 7 in, for the heat preservation preparation of moulding plastics next time, and then the device is through injecting warm water in insulation can 7, utilize warm water to keep warm to the inside of bed die 1, effectually avoided the direct and ice-cold mould groove contact of hot melt material, the bottom cooling shaping's condition takes place appears, and heat in the warm water becomes cold water after being absorbed by bed die 1, be favorable to accelerating the rate of hot melt material cooling shaping through cooling tube 14, after absorbing the heat, become hot water again, in the in-process of waiting for next time, hot water can run off partial heat again and become warm water, be favorable to realizing cyclic utilization, the bubble has appeared in the hot melt material and has not been handled just cooling shaping's problem yet, the quality of moulding plastics has been improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a car light mould heat preservation device, includes bed die (1), its characterized in that: the top of bed die (1) is equipped with mould (2), the four corners on bed die (1) top all is fixedly connected with spliced pole (3), the top of spliced pole (3) all is fixedly connected with roof (4), cylinder (5) are installed on the top of roof (4), the bottom and the last mould (2) rigid coupling of the flexible end of cylinder (5), the top rigid coupling of last mould (2) has charging tube (6), one side of bed die (1) is equipped with insulation can (7), one side that insulation can (7) was kept away from to bed die (1) is equipped with header tank (8), the top rigid coupling of insulation can (7) has filler (9), insulation can (7) be close to header tank (8) one side bottom rigid coupling and have a set of insulating tube (10), and the other end of insulating tube (10) passes bed die (1) and communicates with header tank (8).

2. The lamp mold heat preservation device according to claim 1, wherein: one end of the heat preservation pipe (10) close to the heat preservation box (7) is provided with a one-way valve (11), the bottom fixedly connected with a water pumping pipe (13) of the water collection box (8) close to one side of the lower die (1), one side of the lower die (1) close to the water collection box (8) is provided with a water pump (12), and a water pumping end of the water pump (12) is fixedly connected with the water pumping pipe (13).

3. The lamp mold heat preservation device according to claim 2, wherein: the water outlet end of the water pump (12) is fixedly connected with a cooling pipe (14), and the other end of the cooling pipe (14) passes through the lower die (1) and is fixedly connected with the top end of the heat preservation box (7).

4. The lamp mold heat preservation device according to claim 1, wherein: the utility model discloses a lower mould, including lower mould (1), lower mould (1) all is equipped with the front and back both sides and removes bubble mechanism (15), remove bubble mechanism (15) including fixed plate (151) of rigid coupling both sides around lower mould (1), the top of fixed plate (151) all rigid coupling has motor (152), the output of motor (152) all rigid coupling has pivot (153), the top of pivot (153) one side all rigid coupling has strike pole (154).

5. The lamp mold heat preservation device according to claim 4, wherein: straight plates (155) are fixedly connected to the front side and the rear side of the lower die (1), and oscillating plates (156) are hinged to the front ends of the straight plates (155).

6. The lamp mold heat preservation device according to claim 1, wherein: the outside rigid coupling of filling tube (6) has insulation cover (16), both sides inside insulation cover (16) all rigid coupling have heating plate (17).

7. The lamp mold heat preservation device of claim 6, wherein: the bottom end of the heat preservation sleeve (16) is fixedly connected with a group of heat conducting rods (18), and the bottom ends of the heat conducting rods (18) extend into the upper die (2).

8. The lamp mold heat preservation device according to claim 1, wherein: the inner side walls of the heat insulation box (7) and the water collecting box (8) are coated with heat insulation coatings (19).

9. The lamp mold heat preservation device according to claim 5, wherein: limiting plates (20) are fixedly connected to the front sides of the straight plates (155).

10. The lamp mold heat preservation device according to claim 1, wherein: the front side and the rear side of the lower die (1) are fixedly connected with protection pads (21).