CN220720165U

CN220720165U - Rubber spare injection mold

Info

Publication number: CN220720165U
Application number: CN202322433806.7U
Authority: CN
Inventors: 胡吉华
Original assignee: Taizhou Chongshang Mould Co ltd
Current assignee: Taizhou Chongshang Mould Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-05
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses an injection mold for rubber parts, which relates to the technical field of injection molds and comprises a bottom plate, wherein a lower mold is fixedly arranged on the top surface of the bottom plate, a top plate is arranged in the lower mold in a sliding manner, a sleeve is fixedly arranged on the bottom surface of the top plate, a threaded rod is connected in a rotating manner and is inserted into the sleeve in a threaded manner, a first conical gear is fixedly arranged on the outer surface of the bottom end of the threaded rod, a rotating rod is inserted in the lower mold in a rotating manner, a rotating disc is fixedly arranged at one end of the rotating rod, after injection cooling is finished, the rotating rod drives a second conical gear to rotate through the rotating disc, the first conical gear and the second conical gear are meshed, so that the threaded rod is driven to rotate in a movable groove, the sleeve is driven to ascend at the same time, and further a push rod is used for demolding the rubber parts after molding, so that the rubber parts are prevented from being damaged in part structures, and the waste of materials is increased.

Description

Rubber spare injection mold

Technical Field

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

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.

However, after the injection molding of the rubber member is completed, the inconvenience in demolding is very high, if the rubber member is pulled out manually, the rubber member is easily damaged in part of the structure, so that the rubber member cannot be used, the waste of materials is increased, and the inventor proposes a rubber member injection mold for solving the problems.

Disclosure of Invention

In order to solve the problem that the rubber piece is inconvenient to demould; the utility model aims to provide a rubber part injection mold.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a rubber spare injection mold, includes the bottom plate, the fixed lower mould that is equipped with in the top surface of bottom plate, the fixed sleeve that is equipped with in bottom surface of roof, the lower mould internal rotation is connected with the threaded rod, and threaded rod screw thread inserts and establish in the sleeve, the bottom surface fixed of threaded rod is equipped with first conical gear, the lower mould internal rotation is inserted and is equipped with the dwang, the fixed carousel that is equipped with in one end of dwang, the fixed second conical gear that is equipped with of the other end of dwang, first conical gear meshes with second conical gear, set up the movable groove in the lower mould, the fixed slide bar that is equipped with in the movable groove, the roof slip cap is established in the surface of slide bar, at first before moulding plastics, is moved down to make the ejector pin withdraw in the roof groove, drives the gag lever post simultaneously to descend, makes the limiting plate laminating in the lower mould to the roof spacing, the ejector pin can be combined with the roof groove, avoids when moulding plastics, the material from the roof groove to the movable inslot, opens the cylinder, makes upper mould and lower mould and then is gone into the rubber spare through pouring into the rubber spare into the processing;

the water adding pipe is arranged above the cooling water tank, so that cooling water can be added into the cooling water tank, the water pump is started, the cooling water in the cooling water tank is pumped out by the connecting pipe and then is transmitted into the cooling water tank again through the circulating pipe, the circulating pipe is wound in the lower die, the rubber piece after injection molding is cooled, the rubber piece is rapidly formed, the heat absorbing aluminum plate absorbs heat of the water in the cooling water tank and then is transmitted into the heat conducting aluminum plate, the cooling fan is started, the heat is discharged from the cooling water tank in the cooling hole, and the influence on cooling and shaping of the cooling water in the cooling water tank due to overhigh temperature after the rubber piece is formed is avoided;

after the cooling of moulding plastics is accomplished, open the cylinder once more, make the mould rise, through rotating the carousel, make the dwang drive second bevel gear and rotate, first bevel gear and second bevel gear mesh mutually to make the threaded rod rotate in the movable slot, drive the sleeve simultaneously and rise, and then the ejector pin is the rubber spare drawing of patterns after with the shaping, avoid the manual work to drag out the rubber spare, cause the partial structure damage of rubber spare, lead to rubber spare unable use, increased the waste of material.

Preferably, top grooves distributed at equal distance are formed in the lower die, ejector rods distributed at equal distance are fixedly arranged on the top surface of the top plate, the ejector rods are movably arranged in the top grooves, limit rods are symmetrically arranged on the top surface of the top plate, and limit plates are fixedly arranged on the top ends of the two limit rods.

Preferably, the top surface of bottom plate is fixed and is equipped with coolant tank, the top surface of bottom plate is located between lower mould and the coolant tank and installs the water pump, fixedly connected with connecting pipe between coolant tank and the water pump, the surface of water pump is connected with the circulating pipe, the circulating pipe winding is in the lower mould, and the other end of circulating pipe is fixed to be established in coolant tank.

Preferably, a heat absorption aluminum plate is arranged in the cooling water tank, a heat conduction aluminum plate distributed at equal distance is fixedly arranged on one side of the heat absorption aluminum plate, a cooling fan is arranged in the cooling water tank, and a cooling hole is formed in one side of the cooling water tank.

Preferably, the top surface of bottom plate is fixed and is equipped with the brace table, the fixed cylinder that is equipped with in bottom surface of brace table, the fixed mould that is equipped with of output of cylinder, the fixed feeder hopper that is equipped with in top surface of going up the mould.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, after injection molding cooling is finished, the rotating rod drives the second conical gear to rotate through the rotating disc, and the first conical gear is meshed with the second conical gear, so that the threaded rod rotates in the movable groove, and meanwhile, the sleeve is driven to rise, and then the ejector rod is used for demolding the molded rubber piece, so that the rubber piece is prevented from being pulled out manually, the rubber piece is prevented from being damaged in part of the structure, the rubber piece is prevented from being used, and the waste of materials is increased;

2. according to the utility model, the water feeding pipe is arranged above the cooling water tank, so that cooling water can be added into the cooling water tank, the water pump is started, the cooling water in the cooling water tank is pumped out by the connecting pipe, then the cooling water is conveyed into the cooling water tank again through the circulating pipe, the circulating pipe is wound in the lower die, and the rubber part after injection molding is cooled, so that the rubber part is rapidly molded.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Figure 1 is a schematic diagram of the overall structure of the utility model,

FIG. 2 is a schematic view of the internal structure of the lower die of the utility model,

FIG. 3 is a schematic view of a partial sectional structure of a lower die of the present utility model,

figure 4 is a schematic view of the top plate structure of the present utility model,

fig. 5 is a schematic view of a partial sectional structure of a cooling water tank of the present utility model.

In the figure: 1. a bottom plate; 11. a support table; 12. a cylinder; 13. an upper die; 14. a feed hopper; 2. a lower die; 201. a top groove; 202. a movable groove; 21. a top plate; 211. a slide bar; 22. a push rod; 23. a sleeve; 24. a threaded rod; 25. a first bevel gear; 26. a second bevel gear; 27. a rotating lever; 28. a turntable; 29. a limit rod; 291. a limiting plate; 3. a cooling water tank; 31. a water pump; 32. a connecting pipe; 33. a circulation pipe; 34. a heat absorbing aluminum plate; 35. a heat conducting aluminum plate; 36. a heat radiation fan; 37. and the heat dissipation holes.

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.

Examples: as shown in fig. 1-5, the utility model provides an injection mold for rubber parts, which comprises a bottom plate 1, a lower mold 2 is fixedly arranged on the top surface of the bottom plate 1, a top plate 21 is arranged in the lower mold 2 in a sliding manner, a sleeve 23 is fixedly arranged on the bottom surface of the top plate 21, a threaded rod 24 is connected in a rotating manner in the lower mold 2, the threaded rod 24 is inserted into the sleeve 23 in a threaded manner, a first conical gear 25 is fixedly arranged on the outer surface of the bottom end of the threaded rod 24, a rotating rod 27 is inserted in the lower mold 2 in a rotating manner, one end of the rotating rod 27 is fixedly provided with a rotary disc 28, the other end of the rotating rod 27 is fixedly provided with a second conical gear 26, the first conical gear 25 is meshed with the second conical gear 26, a movable groove 202 is formed in the lower mold 2, a sliding rod 211 is fixedly arranged in the movable groove 202, the top plate 21 is sleeved on the outer surface of the sliding rod 211 in a sliding manner, after injection molding cooling is completed, the rotating rod 27 drives the second conical gear 26 to rotate, the first conical gear 25 is meshed with the second conical gear 26, the threaded rod 24 is rotated in the movable groove 202, and the sleeve 23 is driven to rise at the same time, the rubber part is manually pulled out after the rubber part is molded, and the rubber part cannot be damaged.

Top grooves 201 which are distributed equidistantly are formed in the lower die 2, ejector rods 22 which are distributed equidistantly are fixedly arranged on the top surface of the top plate 21, the ejector rods 22 are movably arranged in the top grooves 201, limit rods 29 are symmetrically arranged on the top surface of the top plate 21, and limit plates 291 are fixedly arranged on the top ends of the two limit rods 29;

through adopting above-mentioned technical scheme, before moulding plastics, with roof 21 decline make roof 22 withdraw in the roof groove 201, drive gag lever post 29 simultaneously and descend, make limiting plate 291 laminating in lower mould 2 to can carry out spacingly to roof 21, roof 22 can merge with roof groove 201, avoid when moulding plastics, the material flows in the movable groove 202 from roof groove 201, causes the waste of material.

The top surface of the bottom plate 1 is fixedly provided with a cooling water tank 3, a water pump 31 is arranged between the lower die 2 and the cooling water tank 3 on the top surface of the bottom plate 1, a connecting pipe 32 is fixedly connected between the cooling water tank 3 and the water pump 31, the outer surface of the water pump 31 is connected with a circulating pipe 33, the circulating pipe 33 is wound in the lower die 2, and the other end of the circulating pipe 33 is fixedly arranged in the cooling water tank 3;

through adopting above-mentioned technical scheme, the water pipe that adds that coolant tank 3 top set up to can add the cooling water in the coolant tank 3, open water pump 31, make connecting pipe 32 take out the cooling water in the coolant tank 3, then in the coolant tank 3 is transmitted again through circulating pipe 33, circulating pipe 33 twines in lower mould 2, carries out cooling to the rubber spare after moulding plastics, makes the rubber spare rapid prototyping.

The cooling water tank 3 is internally provided with a heat absorption aluminum plate 34, one side of the heat absorption aluminum plate 34 is fixedly provided with heat conduction aluminum plates 35 distributed at equal distance, the cooling water tank 3 is internally provided with a cooling fan 36, and one side of the cooling water tank 3 is provided with a cooling hole 37;

through adopting above-mentioned technical scheme, the heat absorption aluminum plate 34 absorbs the heat of cooling water tank 3 internal water, then transmits in the heat conduction aluminum plate 35, opens radiator fan 36, makes the heat get rid of in the cooling water tank 3 from the louvre 37, avoids cooling water in the cooling water tank 3 because of the high temperature, influences the cooling design after the rubber spare shaping.

The top surface of the bottom plate 1 is fixedly provided with a supporting table 11, the bottom surface of the supporting table 11 is fixedly provided with an air cylinder 12, the output end of the air cylinder 12 is fixedly provided with an upper die 13, and the top surface of the upper die 13 is fixedly provided with a feed hopper 14;

by adopting the technical scheme, the cylinder 12 is started, so that the upper die 13 and the lower die 2 are combined, and then the material is poured into the die cavity through the feed hopper 14, so that the rubber part is processed.

Working principle: firstly, before injection molding, the top plate 21 is lowered to enable the ejector rod 22 to retract into the top groove 201, meanwhile, the limiting rod 29 is driven to be lowered to enable the limiting plate 291 to be attached to the lower die 2, so that the top plate 21 can be limited, the ejector rod 22 can be combined with the top groove 201, waste of materials caused by the fact that materials flow into the movable groove 202 from the top groove 201 during injection molding is avoided, the air cylinder 12 is opened, the upper die 13 is combined with the lower die 2, and then the materials are poured into the die groove through the feed hopper 14, so that rubber parts are processed;

the water adding pipe is arranged above the cooling water tank 3, so that cooling water can be added into the cooling water tank 3, the water pump 31 is started, the cooling water in the cooling water tank 3 is pumped out by the connecting pipe 32 and then is transmitted into the cooling water tank 3 again through the circulating pipe 33, the circulating pipe 33 is wound in the lower die 2 to cool down the rubber piece after injection molding, the rubber piece is rapidly molded, the heat absorbing aluminum plate 34 absorbs heat of the water in the cooling water tank 3, and then is transmitted into the heat conducting aluminum plate 35, the cooling fan 36 is started, so that the heat is discharged from the cooling water tank 3 through the cooling holes 37, and the influence of overhigh temperature of the cooling water in the cooling water tank 3 on cooling molding of the rubber piece is avoided;

after the cooling of moulding plastics is accomplished, open cylinder 12 once more, make and go up mould 13 rise, through rotating carousel 28, make dwang 27 drive second bevel gear 26 rotation, first bevel gear 25 and second bevel gear 26 mesh mutually, thereby make threaded rod 24 rotate in movable groove 202, drive sleeve 23 simultaneously and rise, and then ejector pin 22 is with the rubber spare drawing of patterns after the shaping, avoid the manual work to drag out the rubber spare, cause the partial structure damage of rubber spare, lead to rubber spare unable use, the waste of material has been increased.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Rubber spare injection mold, including bottom plate (1), its characterized in that: the top surface of bottom plate (1) is fixed and is equipped with lower mould (2), the slip is equipped with roof (21) in lower mould (2), the fixed sleeve (23) that is equipped with in bottom surface of roof (21), lower mould (2) internal rotation is connected with threaded rod (24), and threaded rod (24) screw thread insert and establish in sleeve (23), the bottom external surface mounting of threaded rod (24) is equipped with first conical gear (25), the internal rotation of lower mould (2) is inserted and is equipped with dwang (27), the fixed carousel (28) that is equipped with of one end of dwang (27), the other end of dwang (27) is fixed and is equipped with second conical gear (26), first conical gear (25) and second conical gear (26) mesh mutually.

2. The rubber part injection mold according to claim 1, wherein a movable groove (202) is formed in the lower mold (2), a sliding rod (211) is fixedly arranged in the movable groove (202), and the top plate (21) is slidably sleeved on the outer surface of the sliding rod (211).

3. The rubber part injection mold according to claim 1, wherein the lower mold (2) is internally provided with equidistantly distributed top grooves (201), the top surface of the top plate (21) is fixedly provided with equidistantly distributed ejector rods (22), and the ejector rods (22) are movably arranged in the top grooves (201).

4. A rubber part injection mold according to claim 1, characterized in that a cooling water tank (3) is fixedly arranged on the top surface of the bottom plate (1), a water pump (31) is arranged between the lower mold (2) and the cooling water tank (3) on the top surface of the bottom plate (1), and a connecting pipe (32) is fixedly connected between the cooling water tank (3) and the water pump (31).

5. The rubber part injection mold according to claim 4, wherein the outer surface of the water pump (31) is connected with a circulating pipe (33), the circulating pipe (33) is wound in the lower mold (2), and the other end of the circulating pipe (33) is fixedly arranged in the cooling water tank (3).

6. The rubber part injection mold according to claim 4, wherein a heat absorption aluminum plate (34) is installed in the cooling water tank (3), heat conduction aluminum plates (35) distributed at equal distances are fixedly arranged on one side of the heat absorption aluminum plate (34), a cooling fan (36) is installed in the cooling water tank (3), and a cooling hole (37) is formed in one side of the cooling water tank (3).

7. The rubber part injection mold according to claim 1, wherein limit rods (29) are symmetrically arranged on the top surface of the top plate (21), and limit plates (291) are fixedly arranged on the top ends of the two limit rods (29).

8. A rubber part injection mould according to claim 1, characterized in that the top surface of the bottom plate (1) is fixedly provided with a supporting table (11), the bottom surface of the supporting table (11) is fixedly provided with an air cylinder (12), the output end of the air cylinder (12) is fixedly provided with an upper mould (13), and the top surface of the upper mould (13) is fixedly provided with a feed hopper (14).