A powder injection molding die with heating and cooling

Abstract

The utility model discloses a powder injection molding mould with heating and cooling relates to mould field, including lower die seat, the surface fixed connection of lower die seat has a plurality of green column, the surface fixed connection of a plurality of green column has fixed plate, the surface sliding connection of green column has upper die seat, the inner wall fixed connection of lower die seat has fixed cylinder, the inner wall rotation of fixed cylinder is connected with spiral feeding roller. The utility model upper die seat falls and cooperates extrusion with lower die seat, and the shaping operation is carried out, in the process of upper die seat continuous rise, the transition of guide shaft through transition inclined surface, in the closed guide groove rises, drives the surface contact of gear plate and gear, and spiral feeding roller rotates, and spiral feeding roller rotates and transports the powder in fixed cylinder to lower die seat, and the shaping operation is convenient next time, and the powder in fixed cylinder is supplemented through the storage tank, and the advantage of doing like this is, can realize the effect of automatic filling.

Description

Technical Field

[0001] This utility model relates to the field of molds, and in particular to a powder injection molding mold with heating and cooling functions. Background Technology

[0002] In industrial production, molds are various shapes and tools used to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping. A mold is a tool used to create shaped objects; this tool is composed of various parts, and different molds are composed of different parts. It mainly achieves the shaping of objects by changing the physical state of the material being molded.

[0003] When performing powder injection molding, a molding die is required to assist in the production process. During the production process, the powder cannot be automatically added into the mold cavity, and manual mixing is required after the mold is opened, which is very troublesome. To solve the above problems, a powder injection molding die with heating and cooling is needed. Utility Model Content

[0004] The purpose of this invention is to provide a powder injection molding die with heating and cooling functions to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a powder injection molding die with heating and cooling, comprising a lower die base, a plurality of green columns fixedly connected to the surface of the lower die base, a fixed plate fixedly connected to the surface of the plurality of green columns, an upper die base slidably connected to the surface of the green columns, a fixed cylinder fixedly connected to the inner wall of the lower die base, a spiral feeding roller rotatably connected to the inner wall of the fixed cylinder, and an automatic feeding mechanism provided on the surface of the lower die base.

[0006] Preferably, the automatic feeding mechanism includes an L-shaped plate fixedly connected to the surface of the lower mold base, the surface of the L-shaped plate having a closed guide groove, a support plate fixedly connected to the surface of the upper mold base, and a toothed plate slidably connected to the surface of the support plate.

[0007] Preferably, a gear is fixedly connected to the surface of the spiral feed roller, the gear meshes with a toothed plate, and a drive plate is fixedly connected to the surface of the toothed plate.

[0008] Preferably, a guide shaft is slidably connected to the inner wall of the driving plate, and a spring is fixedly connected to the inner wall of the driving plate. One end of the spring is fixedly connected to one end of the guide shaft, and one end of the guide shaft extends into the interior of the closed guide groove.

[0009] Preferably, the inner wall of the closed guide groove is provided with a limiting step and a transition slope, the inner wall of the fixed cylinder is fixedly connected to a storage box, and the inner top wall of the storage box is threadedly connected to a threaded cap.

[0010] Preferably, a hydraulic telescopic cylinder is fixedly connected to the upper surface of the fixed plate, the output end of the hydraulic telescopic cylinder passes through the lower surface of the fixed plate and is fixedly connected to the upper surface of the upper mold base, a conductive heating tube is fixedly connected to the inner wall of the upper mold base, and a pair of cooling water pipes are fixedly connected to the inner wall of the lower mold base.

[0011] In summary, the technical effects and advantages of this utility model are as follows:

[0012] In this invention, the upper mold base descends and cooperates with the lower mold base to extrude and perform shaping operations. During the continuous upward movement of the upper mold base, the guide shaft rises within the closed guide groove through the transition slope, causing the toothed plate to contact the surface of the gear, driving the gear and the spiral feeding roller to rotate. The rotating spiral feeding roller transports the powder in the fixed cylinder to the lower mold base for easy shaping operations in the next operation. The powder in the fixed cylinder is replenished through the storage box. The advantage of this is that it can achieve the effect of automatic filling. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0015] Figure 2 This is a cross-sectional view of the upper mold base in an embodiment of the present invention;

[0016] Figure 3 This is a three-dimensional structural diagram of the closed guide groove in an embodiment of the present utility model;

[0017] Figure 4 This is an embodiment of the present utility model. Figure 3 Enlarged structural diagram at point A;

[0018] Figure 5 This is a three-dimensional structural diagram of the closed guide groove in an embodiment of this utility model.

[0019] In the diagram: 1. Lower mold base; 2. Green column; 3. Fixed plate; 4. Hydraulic telescopic cylinder; 5. Upper mold base; 6. Fixed cylinder; 7. L-shaped plate; 8. Conductive heating tube; 9. Spiral feed roller; 10. Storage box; 11. Gear; 12. Threaded cap; 13. Limiting step; 14. Closed guide groove; 15. Toothed plate; 16. Drive plate; 17. Spring; 18. Guide shaft; 19. Transition slope; 20. Support plate; 21. Cooling water pipe. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Reference Figures 1-5 The powder injection molding die shown includes a lower mold base 1, a plurality of Grinding pillars 2 are fixedly connected to the surface of the lower mold base 1, a fixing plate 3 is fixedly connected to the surface of the plurality of Grinding pillars 2, an upper mold base 5 is slidably connected to the surface of the Grinding pillars 2, a fixing cylinder 6 is fixedly connected to the inner wall of the lower mold base 1, a spiral feeding roller 9 is rotatably connected to the inner wall of the fixing cylinder 6, and an automatic feeding mechanism is provided on the surface of the lower mold base 1.

[0022] With the above structure, by setting multiple Green Pillars 2, the sliding stability of the upper mold base 5 is maintained. By setting the lower mold base 1, the fixing cylinder 6 is fixedly installed. By setting the spiral feeding roller 9, the powder feeding operation can be ensured. By setting the automatic feeding mechanism, the automatic feeding effect is achieved during the process of the upper mold base 5 rising and opening the mold.

[0023] Preferably, the automatic feeding mechanism includes an L-shaped plate 7 fixedly connected to the surface of the lower mold base 1, the surface of the L-shaped plate 7 having a closed guide groove 14, a support plate 20 fixedly connected to the surface of the upper mold base 5, and a toothed plate 15 slidably connected to the surface of the support plate 20.

[0024] By setting a closed guide groove 14, the guide shaft 18 is guided to move. By setting a support plate 20, the toothed plate 15 is driven to slide and support on the surface of the support plate 20. By setting a toothed plate 15, the gear 11 is driven to rotate.

[0025] Preferably, a gear 11 is fixedly connected to the surface of the spiral feed roller 9, the gear 11 meshes with the toothed plate 15, and a drive plate 16 is fixedly connected to the surface of the toothed plate 15.

[0026] By setting gear 11, the spiral feed roller 9 is driven to rotate, and by setting drive plate 16, the toothed plate 15 is driven to move under force.

[0027] Preferably, a guide shaft 18 is slidably connected to the inner wall of the driving plate 16, and a spring 17 is fixedly connected to the inner wall of the driving plate 16. One end of the spring 17 is fixedly connected to one end of the guide shaft 18, and one end of the guide shaft 18 extends into the interior of the closed guide groove 14.

[0028] By setting spring 17, the guide shaft 18 is reset, and by setting guide shaft 18, the drive plate 16 and the toothed plate 15 move as a whole.

[0029] Preferably, the inner wall of the closed guide groove 14 is provided with a limiting step 13 and a transition slope 19, the inner wall of the fixed cylinder 6 is fixedly connected to a storage box 10, and the inner top wall of the storage box 10 is threadedly connected to a threaded cap 12.

[0030] By setting a limiting step 13, when the guide shaft 18 is at the highest point in the closed guide groove 14 and needs to descend, it is blocked by the limiting step 13, changing the direction of movement of the guide shaft 18. By setting a transition slope 19, when the guide shaft 18 rises, it transitions through the transition slope 19, the compression spring 17 shortens, and it resets to the highest point of the closed guide groove 14.

[0031] Preferably, a hydraulic telescopic cylinder 4 is fixedly connected to the upper surface of the fixed plate 3, the output end of the hydraulic telescopic cylinder 4 passes through the lower surface of the fixed plate 3 and is fixedly connected to the upper surface of the upper mold base 5, a conductive heating tube 8 is fixedly connected to the inner wall of the upper mold base 5, and a pair of cooling water pipes 21 are fixedly connected to the inner wall of the lower mold base 1.

[0032] The upper mold base 5 is moved up and down by a hydraulic telescopic cylinder 4, the upper mold base 5 is heated by a conductive heating pipe 8, and the lower mold base 1 is cooled by a cooling water pipe 21.

[0033] The working principle of this utility model is as follows: A powder injection molding die with heating and cooling is used in injection molding production. During the injection molding process, the hydraulic telescopic cylinder 4 drives the upper mold base 5 to descend and squeeze close to the lower mold base 1. The guide shaft 18 is blocked by the limiting step 13 and moves along the curved inner wall of the closed guide groove 14. The purpose of this is to prevent the toothed plate 15 from descending and contacting the surface of the gear 11, thus causing the gear 11 to rotate. During the powder shaping operation, the powder is heated and shaped by the conductive heating tube 8. After the upper mold base 5 rises, the shaped powder product is first manually removed. During the continuous rise of the upper mold base 5, the guide shaft 18 rises in the closed guide groove 14 through the transition slope 19, causing the toothed plate 15 to contact the surface of the gear 11, driving the gear 11 and the spiral feeding roller 9 to rotate. The rotating spiral feeding roller 9 transports the powder in the fixed cylinder 6 to the lower mold base 1 for the next shaping operation. The powder in the fixed cylinder 6 is replenished through the storage box 10, achieving the effect of automatic filling.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A powder injection moulding mould with heating and cooling, comprising a lower mould base (1), characterised in that: The surface of the lower mold base (1) is fixedly connected to a plurality of Green Pillars (2), the surface of the plurality of Green Pillars (2) is fixedly connected to a fixing plate (3), the surface of the Green Pillars (2) is slidably connected to an upper mold base (5), the inner wall of the lower mold base (1) is fixedly connected to a fixing cylinder (6), the inner wall of the fixing cylinder (6) is rotatably connected to a spiral feeding roller (9), and the surface of the lower mold base (1) is provided with an automatic feeding mechanism.

2. A powder injection molding die with heating and cooling according to claim 1, characterized in that: The automatic feeding mechanism includes an L-shaped plate (7) fixedly connected to the surface of the lower mold base (1), and a closed guide groove (14) is provided on the surface of the L-shaped plate (7). A support plate (20) is fixedly connected to the surface of the upper mold base (5), and a toothed plate (15) is slidably connected to the surface of the support plate (20).

3. A powder injection molding die with heating and cooling as defined in claim 1, wherein: A gear (11) is fixedly connected to the surface of the spiral feed roller (9), the gear (11) meshes with the toothed plate (15), and a drive plate (16) is fixedly connected to the surface of the toothed plate (15).

4. A powder injection molding die with heating and cooling according to claim 3, wherein: The inner wall of the drive plate (16) is slidably connected to a guide shaft (18), and the inner wall of the drive plate (16) is fixedly connected to a spring (17). One end of the spring (17) is fixedly connected to one end of the guide shaft (18), and one end of the guide shaft (18) extends into the interior of the closed guide groove (14).

5. A powder injection molding die with heating and cooling as defined in claim 2, wherein: The inner wall of the closed guide groove (14) is provided with a limiting step (13) and a transition slope (19). The inner wall of the fixed cylinder (6) is fixedly connected to a storage box (10), and the inner top wall of the storage box (10) is threadedly connected to a threaded cap (12).

6. A powder injection molding die with heating and cooling as defined in claim 1, wherein: A hydraulic telescopic cylinder (4) is fixedly connected to the upper surface of the fixed plate (3). The output end of the hydraulic telescopic cylinder (4) passes through the lower surface of the fixed plate (3) and is fixedly connected to the upper surface of the upper mold base (5). A conductive heating tube (8) is fixedly connected to the inner wall of the upper mold base (5). A pair of cooling water pipes (21) are fixedly connected to the inner wall of the lower mold base (1).

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