CN220075488U - Cutlery box injection mold - Google Patents

Abstract

The utility model provides an injection mold for cutlery boxes, which relates to the technical field of molds and comprises a lower mold and an upper mold, wherein an injection port is formed in the upper mold, supporting blocks are symmetrically and fixedly connected to the side surfaces of the lower mold, threaded columns are fixedly connected to the top ends of the supporting blocks, pushing plates are slidably connected to the outer surfaces of the threaded columns, connecting rings are fixedly connected to the top ends of the pushing plates, adjusting blocks are rotatably connected to the outer surfaces of the connecting rings, slots are formed in the bottom ends of the upper mold, and the slots are slidably connected with the pushing plates. According to the utility model, through the structures such as the supporting block, the threaded column, the push plate, the connecting ring, the adjusting block, the limiting groove and the like, the push plate can be driven to rise through the rotation of the adjusting block, so that the upper die is lifted, the adhesion of the upper die and the lower die on an injection molded lunch box can be effectively avoided, the upper die and the lower die can be separated through the lifting of the upper die driven by the push plate, and the separation of the upper die and the lower die is more convenient and labor-saving.

Description

Cutlery box injection mold

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold for cutlery boxes.

Background

The cutlery box is very common in people's daily life, and almost every trade company can all use in the catering trade, and injection mold can then be used in the manufacturing of cutlery box, and one kind of chinese patent No. CN203994542U publishes includes movable mould base and quiet mould base, is equipped with movable mould district on the movable mould base, is equipped with quiet mould district on the quiet mould base, and two mould district mutually support, still be equipped with round seal boss outside the quiet mould district, seal boss is connected with the aspiration pump. The utility model not only can avoid the occurrence of the condition of having air holes, but also can ensure that the two mold areas are pressed more tightly, so that the quality of a finished product is better, but after the injection molding is finished, the two mold areas are difficult to separate by the injection molded part after the injection molding is finished, and the improvement is needed.

Disclosure of Invention

The present utility model is directed to solving the technical problems set forth in the background art.

The utility model adopts the following technical scheme: the utility model provides a cutlery box injection mold, includes lower mould and last mould, the mouth of moulding plastics has been seted up to the inside of going up the mould, the side symmetry fixedly connected with supporting shoe of lower mould, the top fixedly connected with screw thread post of supporting shoe, the surface sliding connection of screw thread post has the push pedal, the top fixedly connected with go up the collar, the surface rotation of go up the collar is connected with the regulating block, the slot has been seted up to the bottom of going up the mould, slot and push pedal sliding connection.

Preferably, the internal thread has been seted up to the inside of regulating block, the regulating block passes through threaded connection with the screw thread post. Here, the regulating block which is connected with the threaded column through threads can drive the push plate to move on the surface of the threaded column through the rotation of the regulating block.

Preferably, the inside fixedly connected with stopper of push pedal and go-between, the spacing groove has been seted up to the surface of screw thread post, stopper and spacing groove sliding connection. Here, the direction of push pedal can be fixed with spacing groove to sliding connection's stopper, avoids the push pedal to take place to rotate.

Preferably, the top end of the lower die is fixedly connected with a positioning rod, a positioning hole is formed in the upper die, and the positioning hole is in sliding connection with the positioning rod. Here, sliding connection's locating lever and locating hole can make last mould and lower mould alignment, avoid injection moulding's product to produce quality problem.

Preferably, a cooling groove is formed in the lower die, and a water inlet connector and a water outlet connector are fixedly connected to the side face of the lower die. Here, the cooling tank, the water inlet joint, and the water outlet joint can inject the cooling liquid into the lower die, and absorb and discharge the heat in the lower die.

Preferably, the cooling groove is spiral in shape. Here, the spiral cooling groove can improve the efficiency of the cooling liquid in the lower die for absorbing heat, and ensure the rapid cooling of the lower die

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, through the structures such as the supporting block, the threaded column, the push plate, the connecting ring, the adjusting block, the limiting groove and the like, the push plate can be driven to ascend through the rotation of the adjusting block, so that the upper die is lifted, the adhesion between the upper die and the lower die can be effectively avoided by the injection molding lunch box, the upper die and the lower die can be separated through the lifting of the upper die driven by the push plate, and the separation of the upper die and the lower die is more convenient and labor-saving.

2. According to the utility model, through the structures such as the cooling tank, the water inlet joint and the water outlet joint, cooling liquid can circulate in the lower die, so that the circulation of the cooling liquid in the cooling tank absorbs heat in the lower die and discharges the heat out of the lower die, the lower die can be rapidly cooled, and the injection molding efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of an injection mold for cutlery box according to the present utility model;

fig. 2 is a schematic diagram of an explosion structure of an injection mold for cutlery box according to the present utility model;

FIG. 3 is a cross-sectional view of a lower mold structure of an injection mold for cutlery box according to the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 2 of the injection mold for cutlery box according to the present utility model.

Legend description:

1. a lower die; 2. an upper die; 3. a positioning rod; 4. positioning holes; 5. an injection molding port; 6. a support block; 7. a threaded column; 8. a push plate; 9. a connecting ring; 10. an adjusting block; 11. a limiting block; 12. a limit groove; 13. a cooling tank; 14. a water inlet joint; 15. a water outlet joint; 16. a slot; 17. and (5) an internal thread.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: including lower mould 1 and last mould 2, injection molding mouth 5 has been seted up to the inside of going up mould 2, through setting up this structure, can be with the plastics injection that melts between mould 2 and the lower mould 1, the side symmetry fixedly connected with supporting shoe 6 of lower mould 1, the top fixedly connected with screw thread post 7 of supporting shoe 6, the surface sliding connection of screw thread post 7 has push pedal 8, through setting up this structure, can drive mould 2 lifting through push pedal 8, the top fixedly connected with go-between 9 of push pedal 8, the surface rotation of go-between 9 is connected with regulating block 10, through setting up this structure, can make the rotation of regulating block 10 drive push pedal 8 and remove, slot 16 has been seted up to the bottom of going up mould 2, slot 16 and push pedal 8 sliding connection, through setting up this structure, can make mould 2 and lower mould 1 can laminate completely.

Referring to fig. 1-4, an internal thread 17 is provided in the adjusting block 10, the adjusting block 10 is in threaded connection with the threaded column 7, by setting the structure, the push plate 8 can be driven to move on the surface of the threaded column 7 by the rotation of the adjusting block 10, a limiting block 11 is fixedly connected with the push plate 8 and the inner part of the connecting ring 9, a limiting groove 12 is provided on the outer surface of the threaded column 7, the limiting block 11 is in sliding connection with the limiting groove 12, by setting the structure, the direction of the push plate 8 can be fixed, the push plate 8 is prevented from rotating, the positioning rod 3 is fixedly connected with the top end of the lower die 1, the positioning hole 4 is provided in the inner part of the upper die 2, the positioning hole 4 is in sliding connection with the positioning rod 3, and by setting the structure, the upper die 2 can be aligned with the lower die 1, and quality problems of injection molded products are avoided.

Example two

Referring to fig. 1-3, a cooling groove 13 is formed in the lower die 1, a water inlet joint 14 and a water outlet joint 15 are fixedly connected to the side surface of the lower die 1, through the arrangement of the structure, cooling liquid can be injected into the lower die 1 to absorb and discharge heat in the lower die 1, the cooling groove 13 is spiral, and through the arrangement of the structure, the efficiency of absorbing heat by the cooling liquid in the lower die 1 can be improved, so that the lower die 1 can be cooled rapidly.

Working principle: when the injection mold is used, the adjusting block 10 is required to be rotated, the push plate 8 is driven to descend by the rotation of the adjusting block 10 until the push plate 8 is attached to the surface of the lower mold 1, then the upper mold 2 is aligned with the lower mold 1, the positioning rod 3 is inserted into the positioning hole 4, finally the upper mold 2 is pressed tightly by the hydraulic press to perform injection molding through the injection molding opening 5, after the injection molding is completed, the input end and the output end of the external water pump are respectively connected to the water outlet joint 15 and the water inlet joint 14, the external water pump drives cooling liquid in the cooling tank 13 to circulate, so that heat in the lower mold 1 is continuously discharged, the lower mold 1 is rapidly cooled, and when the mold is opened, the adjusting block 10 can be pulled by a wrench, the rotation of the adjusting block 10 on the surface of the threaded column 7 drives the push plate 8 to ascend so as to push the upper mold 2 to be pushed to ascend, the upper mold 2 is separated from the lower mold 1, and then the injection molded cutlery box can be taken out.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a cutlery box injection mold, includes lower mould (1) and last mould (2), its characterized in that: injection molding mouth (5) have been seted up to the inside of last mould (2), lateral surface symmetry fixedly connected with supporting shoe (6) of lower mould (1), the top fixedly connected with screw thread post (7) of supporting shoe (6), the surface sliding connection of screw thread post (7) has push pedal (8), the top fixedly connected with go-between (9) of push pedal (8), the surface rotation of go-between (9) is connected with regulating block (10), slot (16) have been seted up to the bottom of going up mould (2), slot (16) and push pedal (8) sliding connection.

2. The cutlery box injection mold of claim 1, wherein: an internal thread (17) is arranged in the adjusting block (10), and the adjusting block (10) is connected with the threaded column (7) through threads.

3. The cutlery box injection mold of claim 1, wherein: limiting blocks (11) are fixedly connected to the inner parts of the pushing plates (8) and the connecting rings (9), limiting grooves (12) are formed in the outer surfaces of the threaded columns (7), and the limiting blocks (11) are slidably connected with the limiting grooves (12).

4. The cutlery box injection mold of claim 1, wherein: the top of lower mould (1) fixedly connected with locating lever (3), locating hole (4) have been seted up to the inside of last mould (2), locating hole (4) and locating lever (3) sliding connection.

5. The cutlery box injection mold of claim 1, wherein: the cooling tank (13) is arranged in the lower die (1), and the side surface of the lower die (1) is fixedly connected with the water inlet joint (14) and the water outlet joint (15).

6. The cutlery box injection mold of claim 5, wherein: the cooling groove (13) is spiral in shape.