Combined injection mold

Abstract

The utility model discloses a combined injection mold which comprises a base and a top mold, a concave cavity is arranged on the top surface of the base, a mold inner container is arranged in the concave cavity, and a gap is arranged between the mold inner container and the inner wall of the concave cavity; a plurality of spraying heads are arranged on the inner wall of the concave cavity; a plurality of drainage holes are formed in the bottom wall of the concave cavity, and a spiral air guide groove is formed in the upper part of the inner wall of the concave cavity; a cooling fan is fixed to the top of the inner wall of the concave cavity and located on the top of the spiral air guide groove. The spraying head is positioned on the inner wall of the spiral air guide groove; and the mold liner and the concave cavity are fixed through a locking structure. The mold is reasonable in structural arrangement, the mold inner container is convenient to disassemble, assemble and replace, the use convenience is improved, the gap is formed between the concave cavity and the inner container and is matched with the cooling fan and the spraying head, the heat conduction and heat dissipation performance can be improved, and therefore the cooling forming efficiency is improved, operation is convenient and fast, use is stable and reliable, applicability is high, and practicability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing molds, and specifically relates to a combined injection mold. Background Art

[0002] An injection mold is a tool for producing plastic products and is also a tool for giving plastic products a complete structure and precise size. However, the injection mold in the prior art does not have a good cooling structure, so a long time of cooling is required after the processing is completed, which not only affects the efficiency of injection molding, but may also affect the quality of injection molding, so the applicability and practicality are limited. Utility Model Content

[0003] The utility model aims to provide a combined injection mold which has a reasonable structure and is conducive to improving cooling efficiency.

[0004] The technical solution to achieve the purpose of the utility model is a combined injection mold, including a base and a top mold, the top surface of the base is provided with a concave cavity, a mold liner is provided in the concave cavity, and a gap is provided between the mold liner and the inner wall of the concave cavity;

[0005] A plurality of spray heads are arranged on the inner wall of the concave cavity;

[0006] A plurality of drainage holes are arranged on the bottom wall of the concave cavity, and a spiral air guide groove is arranged on the upper part of the inner wall of the concave cavity;

[0007] A cooling fan is fixed on the top of the inner wall of the cavity, and the cooling fan is located at the top of the spiral air guide groove;

[0008] The spray head is located on the inner wall of the spiral air guide groove;

[0009] The mold liner and the cavity are fixed via a locking structure.

[0010] It is further preferred that: the locking structure comprises a connecting seat, a locking screw and a connecting block;

[0011] The top surface of the base is provided with a positioning connection groove, and the positioning connection groove is located at the periphery of the concave cavity;

[0012] A positioning connection protrusion matched with the positioning connection groove is fixed on the bottom surface of the connection seat;

[0013] The positioning connection protrusion is inserted into the positioning connection groove and fixed by screws;

[0014] The connecting block is L-shaped, and the vertical portion of the connecting block is attached to the inner wall of the connecting seat and fixed by screws;

[0015] The edge of the mold liner is located on the transverse portion of the connecting block and is locked and fixed by locking screws.

[0016] It is further preferred that: the bottom surface of the top mold is provided with a avoidance groove matched with the connecting seat;

[0017] The top mold is combined with the mold liner, and the connecting seat is limited in the avoidance groove.

[0018] Further preferably, a water inlet terminal connected to the sprinkler head is provided on the base.

[0019] Further preferably, the outer wall of the mold liner is provided with heat dissipation ribs.

[0020] Further preferably, a supporting boss is provided at the center of the bottom wall of the cavity, and the middle part of the bottom surface of the mold liner is positioned against the upper limit of the supporting boss.

[0021] The utility model has positive effects: the structure of the utility model is reasonably arranged, a concave cavity is arranged in the base, and a mold liner is arranged in the concave cavity. When in use, it is convenient to disassemble and replace the mold liner, which improves the convenience of use. In addition, a gap is arranged between the concave cavity and the liner, which is conducive to improving the thermal conductivity and heat dissipation performance in combination with the cooling fan and the sprinkler head, thereby improving the cooling and molding efficiency. The operation is convenient, the use is stable and reliable, and the applicability and practicality are strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the specific structure of the base in the utility model;

[0025] Figure 3 for Figure 1 Enlarged structural diagram at A in the middle.

[0026] Figure numerals: base 1, top mold 2, cavity 3, mold liner 4, spray head 5, drainage hole 6, spiral air guide groove 7, locking structure 8, connecting seat 81, locking screw 82, connecting block 83, positioning connecting groove 9, positioning connecting protrusion 10, avoidance groove 11, water inlet terminal 12, heat dissipation ribs 13, support boss 14, heat dissipation fan 15. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] See Figures 1 to 3 As shown, a combined injection mold includes a base 1 and a top mold 2, the top surface of the base is provided with a cavity 3, a mold liner 4 is provided in the cavity, and a gap is provided between the mold liner and the inner wall of the cavity; in this embodiment, the top mold and the mold liner are both conventional structures of the prior art, and a mold cavity is provided on the mold liner, which can realize injection molding by cooperating with the top mold.

[0030] In this embodiment, a plurality of spray heads 5 are arranged on the inner wall of the cavity; a plurality of drainage holes 6 are arranged on the bottom wall of the cavity, and a spiral air guide groove 7 is arranged on the upper part of the inner wall of the cavity; at the same time, a heat dissipation fan 15 is fixed on the top of the inner wall of the cavity, and the heat dissipation fan is located at the top of the spiral air guide groove; when in use, the spray head is located on the inner wall of the spiral air guide groove; the mold liner and the cavity are fixed by a locking structure 8. When in use, when the heat dissipation fan is blowing, the airflow will flow in the spiral air guide groove and the gap, and cooperate with the spray head to quickly remove the heat on the outer wall of the mold liner, thereby improving the heat dissipation performance, thereby improving the efficiency of injection molding.

[0031] In actual application, the locking structure 8 includes a connecting seat 81, a locking screw 82 and a connecting block 83; wherein, a positioning connecting groove 9 is provided on the top surface of the base, and the positioning connecting groove is located at the periphery of the concave cavity; during installation, a positioning connecting protrusion 10 matching the positioning connecting groove is fixed on the bottom surface of the connecting seat; the positioning connecting protrusion is inserted into the positioning connecting groove and fixed by screws; and the connecting block is L-shaped, and the vertical part of the connecting block is attached to the inner wall of the connecting seat and fixed by screws; through the above structure, the edge of the mold liner is on the transverse part of the connecting block and is locked and fixed by a locking screw.

[0032] In actual application, the bottom surface of the top mold is provided with a position-avoiding groove 11 that matches the connecting seat; the top mold is combined with the mold liner, and the connecting seat is limited in the position-avoiding groove. Through the above structure, the position stability of the top mold after being connected to the base can be ensured, and there will be no loosening or displacement.

[0033] Meanwhile, in actual application, the base is provided with a water inlet terminal 12 connected to the spray head. The outer wall of the mold liner is provided with heat dissipation ribs 13. This is beneficial to improve the overall heat dissipation performance and has strong practicality.

[0034] In actual application, a support boss 14 is provided at the center of the bottom wall of the cavity, and the middle of the bottom surface of the mold liner is positioned at the upper limit of the support boss. Through the above structure, the mold liner can be supported to ensure the stability and reliability of the use of the mold liner.

[0035] The utility model has positive effects: the structure of the utility model is reasonably arranged, a concave cavity is arranged in the base, and a mold liner is arranged in the concave cavity. When in use, it is convenient to disassemble and replace the mold liner, which improves the convenience of use. In addition, a gap is arranged between the concave cavity and the liner, which is conducive to improving the thermal conductivity and heat dissipation performance in combination with the cooling fan and the sprinkler head, thereby improving the cooling and molding efficiency. The operation is convenient, the use is stable and reliable, and the applicability and practicality are strong.

[0036] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0037] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A combined injection mold, comprising a base and a top mold, wherein the top surface of the base is provided with a concave cavity, Features: A mold liner is arranged in the concave cavity, and a gap is arranged between the mold liner and the inner wall of the concave cavity; A plurality of spray heads are arranged on the inner wall of the concave cavity; A plurality of drainage holes are arranged on the bottom wall of the concave cavity, and a spiral air guide groove is arranged on the upper part of the inner wall of the concave cavity; A cooling fan is fixed on the top of the inner wall of the cavity, and the cooling fan is located at the top of the spiral air guide groove; The spray head is located on the inner wall of the spiral air guide groove; The mold liner and the cavity are fixed via a locking structure.

2. A combined injection mold according to claim 1, Features: The locking structure includes a connecting seat, a locking screw and a connecting block; The top surface of the base is provided with a positioning connection groove, and the positioning connection groove is located at the periphery of the concave cavity; A positioning connection protrusion matched with the positioning connection groove is fixed on the bottom surface of the connection seat; The positioning connection protrusion is inserted into the positioning connection groove and fixed by screws; The connecting block is L-shaped, and the vertical portion of the connecting block is attached to the inner wall of the connecting seat and fixed by screws; The edge of the mold liner is located on the transverse portion of the connecting block and is locked and fixed by locking screws.

3. A combined injection mold according to claim 2, Features: The bottom surface of the top mold is provided with a avoidance groove matched with the connecting seat; The top mold is combined with the mold liner, and the connecting seat is limited in the avoidance groove.

4. A combined injection mold according to claim 3, Features: The base is provided with a water inlet terminal connected with the sprinkler head.

5. A combined injection mold according to claim 1, Features: The outer wall of the mold liner is provided with heat dissipation ribs.

6. The combined injection mold according to claim 1, Features: A supporting boss is arranged at the center of the bottom wall of the cavity, and the middle part of the bottom surface of the mold liner is positioned at the upper limit of the supporting boss.

Images