Hardware structure production injection mold

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a hardware structure production injection mold which comprises a bottom plate, a lower mold is fixed to a through opening formed in the top of the bottom plate through two L-shaped plates, forming cavities are formed in the four corners of the top of the lower mold, and ejector rods penetrate through the interiors of the forming cavities in a sliding mode. A push plate is arranged below the lower die, and the bottom ends of the ejector rods are connected with the top of the push plate. Through the arrangement of the bottom plate, the lower mold, the forming cavity, the ejector rod, the push plate, the connecting plate, the rotating shaft, the gear, the air cylinder, the movable plate, the rack, the material receiving assembly and the air blowing assembly, in the using process of the injection mold, by means of cooperation of the push plate and the ejector rod, a product obtained after injection molding can be automatically ejected out of the interior of the forming cavity, and the product quality is improved. And after the formed product is ejected out, under the cooperation of the material receiving assembly and the air blowing assembly, the ejected product can be automatically discharged, and manual taking and discharging are not needed, so that the production injection molding efficiency of the product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for producing hardware structures. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by an injection molding machine, and after cooling and solidification, a molded product is obtained. However, during the use of the current injection molds for hardware production, the mold lacks a structure for ejecting the product, making it inconvenient to remove the product after the injection molding is completed. In addition, when some injection molds have a structure for ejecting the product, after the product is ejected, the staff still needs to manually unload the material, which is inconvenient to use. Therefore, we proposed a hardware structure production injection mold to solve the above problems. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides an injection mold for producing a hardware structure, which solves the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A hardware structure production injection mold comprises a bottom plate, a lower mold is fixed at a through opening on the top of the bottom plate through two L-shaped plates, a molding cavity is arranged at the top four corners of the lower mold, a push rod is slidably penetrated inside the molding cavity, a push plate is arranged below the lower mold, the bottom ends of the push rods are connected to the top of the push plate, two connecting plates are fixed at the bottom of the lower mold, a rotating shaft is rotatably connected between the two connecting plates through a bearing, a gear is fixed on the surface of the rotating shaft, two cylinders are fixed at the bottom of the lower mold, a moving plate is fixed at the ejection ends of the two cylinders, a rack is fixed at the bottom of the push plate and the top of the moving plate, the rack is meshed with the gear, a material receiving assembly is arranged at the top of the moving plate, a top plate is fixed at the top of the bottom plate, two hydraulic cylinders are fixed at the top of the top plate, the ejection ends of the two hydraulic cylinders slide through the top plate and extend to below it and an upper mold adapted to the lower mold is fixed, injection holes are arranged at the top four corners of the upper mold, and an air blowing assembly is arranged at the top of the lower mold.

[0008] Furthermore, the material receiving assembly is rotatably connected to the four connecting rods on the top of the movable plate through pins, the top ends of the two connecting rods on the same side are rotatably connected to the material receiving plate through pins, guide plates are fixed to the two side walls of the lower mold, two slide plates are slidably connected to the inside of the guide plates, and the slide plates are respectively fixedly connected to the corresponding material receiving plates.

[0009] Furthermore, the air blowing assembly comprises an air blowing plate fixed on the top of the lower mold, two side walls of the air blowing plate are connected and fixed with two air blowing nozzles, and the top of the air blowing plate is connected and fixed with an air inlet pipe.

[0010] Furthermore, the tops of the injection holes are all connected and fixed with feed pipes, and the top ends of the four feed pipes are connected and fixed with guide tubes.

[0011] Furthermore, two mounting blocks are fixed to both side walls of the bottom plate, and mounting holes are formed on the tops of the mounting blocks.

[0012] Furthermore, a rubber buffer pad is fixed on the top of the push plate.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a hardware structure production injection mold, which has the following beneficial effects:

[0015] The utility model, by arranging a bottom plate, a lower mold, a molding cavity, a push rod, a push plate, a connecting plate, a rotating shaft, a gear, a cylinder, a movable plate, a rack, a material receiving assembly and an air blowing assembly, can automatically eject the injection molded product from the inside of the molding cavity by utilizing the cooperation of the push plate and the push rod during the use of the injection mold; and after the molded product is ejected, the ejected product can be automatically unloaded by utilizing the cooperation of the material receiving assembly and the air blowing assembly, without the need for manual picking up and unloading, thereby improving the production injection molding efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model from a first viewing angle;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0018] Figure 3 This is a schematic diagram of the lower mold structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the push plate structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the movable plate of the utility model.

[0021] In the figure: 1. bottom plate; 2. lower mold; 3. molding cavity; 4. ejector rod; 5. push plate; 6. connecting plate; 7. rotating shaft; 8. gear; 9. cylinder; 10. moving plate; 11. rack; 12. material receiving assembly; 1201. connecting rod; 1202. material receiving plate; 1203. guide plate; 1204. slide plate; 13. ejector plate; 14. hydraulic cylinder; 15. upper mold; 16. injection hole; 17. air blowing assembly; 1701. blowing plate; 1702. air blowing nozzle; 1703. air inlet pipe; 18. feeding pipe; 19. guide tube; 20. mounting block; 21. rubber buffer pad; 22. fixed pulley; 23. wire rope; 24. spring. DETAILED DESCRIPTION

[0022] 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.

[0023] Example

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a hardware structure production injection mold proposed by an embodiment of the utility model includes a bottom plate 1, two mounting blocks 20 are fixed to the two side walls of the bottom plate 1, and mounting holes are provided on the tops of the mounting blocks 20, which are convenient for the staff to install the injection mold in a suitable position. The opening opened on the top of the bottom plate 1 is fixed with a lower mold 2 through two L-shaped plates, and molding cavities 3 are provided at the four corners of the top of the lower mold 2. The interior of the molding cavity 3 is slidably penetrated by a push rod 4, and a push plate 5 is provided below the lower mold 2. A rubber buffer pad 21 is fixed on the top of the push plate 5. When the push plate 5 moves up, It can avoid the situation that it will collide with the bottom of the lower mold 2 after direct contact. The bottom ends of the push rods 4 are connected to the top of the push plate 5. Two connecting plates 6 are fixed to the bottom of the lower mold 2. A rotating shaft 7 is rotatably connected between the two connecting plates 6 through a bearing. A gear 8 is fixed to the surface of the rotating shaft 7. Two cylinders 9 are fixed to the bottom of the lower mold 2. A moving plate 10 is fixed to the ejection end of the two cylinders 9. Racks 11 are fixed to the bottom of the push plate 5 and the top of the moving plate 10. The racks 11 are meshed with the gears 8. A material receiving assembly 12 is provided on the top of the moving plate 10. The top of the bottom plate 1 is fixed There is a top plate 13, and two hydraulic cylinders 14 are fixed on the top of the top plate 13. The ejection ends of the two hydraulic cylinders 14 slide through the top plate 13 and extend to the bottom thereof and are fixed with an upper mold 15 adapted to the lower mold 2. Injection holes 16 are provided at the four corners of the top of the upper mold 15, and an air blowing component 17 is provided on the top of the lower mold 2. When using this injection mold, after installing it in a suitable position, start the two hydraulic cylinders 14 to drive the upper mold 15 to fit with the lower mold 2, and then the hot melt liquid can be sent to the inside of the molding cavity 3 through the injection holes 16. After the product is injection molded and cooled, the upper mold 1 5 is reset, and then the two cylinders 9 are started to push the moving plate 10 downward. Under the cooperation of the gear 8 and the two racks 11, when the moving plate 10 moves downward, it can drive the push plate 5 to move upward, and when the push plate 5 moves upward, it will drive the ejector rod 4 to move upward, so that the molded product can be ejected from the inside of the molding cavity 3, and when the moving plate 10 moves downward, it can drive the receiving component 12 to move close to the molded and ejected product, and then under the cooperation of the air blowing component 17, the product can be blown onto the receiving component 12 and slide to a suitable position, so that the molded product can be ejected and discharged.

[0025] like Figure 5As shown in the figure, there is another implementation method of the material receiving assembly 12 in the utility model. Two fixed pulleys 22 are fixed on one side wall of the two guide plates 1203, and the surfaces of the fixed pulleys 22 are wound with wire ropes 23. The bottom ends of the four wire ropes 23 are fixedly connected to the moving plate 10, and the other ends of the wire ropes 23 are respectively fixedly connected to the corresponding material receiving plates 1202, and two springs 24 are fixed inside the two guide plates 1203, and the other ends of the springs 24 are respectively connected to the corresponding pulleys. Plate 1204 is fixedly connected. When in use, after the movable plate 10 moves downward, with the cooperation of the fixed pulley 22 and the wire rope 23, it can simultaneously drive the receiving plates 1202 on both sides to move toward the middle, and the material receiving work can be completed at this time. After the material receiving is completed, the receiving plate 1202 drives the slide plate 1204 to move and squeezes the spring 24. Therefore, when the movable plate 10 moves upward to release the restriction on the receiving plate 1202, the receiving plate 1202 can be automatically reset under the reset force of the compressed spring 24.

[0026] like Figure 1 As shown, in some embodiments, the material receiving assembly 12 is rotatably connected to the four connecting rods 1201 on the top of the movable plate 10 through a pin shaft, and the top ends of the two connecting rods 1201 on the same side are rotatably connected to the material receiving plate 1202 through a pin shaft, and the two side walls of the lower mold 2 are fixed with guide plates 1203, and the interior of the guide plates 1203 are slidably connected to two slide plates 1204, and the slide plates 1204 are respectively fixedly connected to the corresponding material receiving plates 1202. When in use, when the movable plate 10 moves down, with the cooperation of the connecting rod 1201, the two material receiving plates 1202 can be driven to move to the middle position at the same time, and the material receiving work can be carried out at this time. After the material receiving is completed, the movable plate 10 moves up and the material receiving plate 1202 can be automatically reset. The cooperation of the guide plate 1203 and the slide plate 1204 can support and guide the material receiving plate 1202, thereby making it more stable during the sliding process.

[0027] like Figure 1 As shown, in some embodiments, the air blowing assembly 17 includes a blowing plate 1701 fixed on the top of the lower mold 2, and two side walls of the blowing plate 1701 are connected and fixed with two air blowing nozzles 1702, and the top of the blowing plate 1701 is connected and fixed with an air inlet pipe 1703. When in use, the air inlet pipe 1703 is connected and fixed with one end of the air delivery pipe. When unloading is required, the air passes through the blowing plate 1701 and is blown out from the air blowing nozzles 1702 respectively, so that the molded products can be blown down and unloaded, and during use, one end of the air inlet pipe 1703 slides through the upper mold 15 and extends above it, so that the upper mold 15 will not be affected when it moves up and down.

[0028] like Figure 1As shown, in some embodiments, the top of the injection holes 16 are connected and fixed with a feed pipe 18 , and the top ends of the four feed pipes 18 are connected and fixed with a guide tube 19 to facilitate the diversion of the hot-melt liquid to the inside of the four injection holes 16 .

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A metal structure production injection mold, comprising a base plate (1), characterized in that: A lower mold (2) is fixed to the opening at the top of the bottom plate (1) via two L-shaped plates; molding cavities (3) are arranged at the four corners of the top of the lower mold (2); a push rod (4) is slidably penetrated inside the molding cavity (3); a push plate (5) is arranged below the lower mold (2); the bottom ends of the push rods (4) are connected to the top of the push plate (5); two connecting plates (6) are fixed to the bottom of the lower mold (2); a rotating shaft (7) is rotatably connected between the two connecting plates (6) via bearings; a gear (8) is fixed to the surface of the rotating shaft (7); two cylinders (9) are fixed to the bottom of the lower mold (2); movable jaws are fixed to the ejection ends of the two cylinders (9); The bottom of the push plate (5) and the top of the movable plate (10) are both fixed with racks (11), and the racks (11) are meshed with the gears (8). The top of the movable plate (10) is provided with a material receiving assembly (12). The top of the bottom plate (1) is fixed with a top plate (13), and the top of the top plate (13) is fixed with two hydraulic cylinders (14). The ejection ends of the two hydraulic cylinders (14) slide through the top plate (13) and extend to the bottom thereof and are fixed with an upper mold (15) adapted to the lower mold (2). The four corners of the top of the upper mold (15) are provided with injection holes (16), and the top of the lower mold (2) is provided with an air blowing assembly (17).

2. A hardware structure production injection mold according to claim 1, characterized in that: The material receiving assembly (12) is rotatably connected to four connecting rods (1201) on the top of the movable plate (10) via a pin shaft, and the top ends of the two connecting rods (1201) on the same side are rotatably connected to a material receiving plate (1202) via a pin shaft, and guide plates (1203) are fixed to both side walls of the lower mold (2), and two slide plates (1204) are slidably connected inside the guide plates (1203), and the slide plates (1204) are fixedly connected to the corresponding material receiving plates (1202), respectively.

3. The injection mold for producing hardware structure according to claim 1, characterized in that: The air blowing assembly (17) comprises an air blowing plate (1701) fixed on the top of the lower mold (2), two side walls of the air blowing plate (1701) are connected and fixed with two air blowing nozzles (1702), and the top of the air blowing plate (1701) is connected and fixed with an air inlet pipe (1703).

4. The injection mold for producing a hardware structure according to claim 1, characterized in that: The tops of the injection holes (16) are all connected and fixed with feed pipes (18), and the top ends of the four feed pipes (18) are connected and fixed with flow guide cylinders (19).

5. The injection mold for producing hardware structure according to claim 1, characterized in that: Two mounting blocks (20) are fixed to both side walls of the bottom plate (1), and mounting holes are provided on the tops of the mounting blocks (20).

6. The injection mold for producing hardware structure according to claim 1, characterized in that: A rubber buffer pad (21) is fixed on the top of the push plate (5).

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