Injection mold capable of quickly positioning

Abstract

The utility model discloses an injection mold capable of quickly positioning, which relates to the field of injection molds and comprises a bottom plate, a lower mold and an electric push rod are respectively mounted at the top of the bottom plate, a lower mold cavity is formed in the top of the lower mold, a top plate is mounted at the output end of the electric push rod through a piston rod, and a sealing component is arranged on the outer wall of the top plate. By arranging the sealing assembly and the sealing strip, the sealing performance between the top plate and the lower die cavity can be improved, a gap between the top plate and the lower die cavity caused by abrasion when the top plate continuously moves up and down is avoided, and materials are prevented from flowing to the position below the top plate through the gap between the top plate and the lower die cavity; and by arranging a positioning frame and a positioning groove, when the upper mold moves downwards, the positioning frame can be driven to move, after the positioning frame moves into the positioning groove, the upper mold can be positioned, and the closing accuracy of the upper mold and the lower mold is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold field, concretely is a kind of injection mold of quick positioning. BACKGROUND

[0002] Injection mold is a tool for producing plastic products;It is also a tool for giving plastic products complete structure and accurate size;Injection molding is a processing method used when mass-producing some parts with complex shapes. Specifically, it involves injecting molten plastic into a mold cavity at high pressure by an injection molding machine, and then obtaining a shaped product after cooling and solidification.

[0003] According to the announcement No.CN221249718U of Chinese patent, a kind of injection mold with secondary ejection mechanism is disclosed, the utility model is fixed on the lower mould by being provided with clamping device and rotating plate, it is convenient to fix, it is convenient to use, and it is convenient to disassemble, by being provided with motor device and ejector, it is beneficial to secondary ejection injection mold, under the action of ejector spring, the moving sleeve can be pushed against the top plate to eject plastic, by starting motor device, the top plate can be moved again, it is convenient to take out.

[0004] For the above-mentioned patent content, by being provided with driving mechanism and top plate, after material molding, material can be ejected by top plate, but the edge part of top plate will continuously rub with the inner wall of mold cavity when moving up and down for a long time, which may cause the edge of top plate to wear, resulting in a gap between the top plate and the inner wall of the mold cavity, so that the material will flow downward below the top plate before molding in the mold cavity, thereby affecting the overall molding effect of the material. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide an injection mold that can be quickly positioned to solve the technical problem that the long-term friction between the top plate and the inner wall of the mold cavity can cause the top plate to wear, and the material may flow downward through the gap between the top plate and the mold cavity.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an injection mold that can be quickly positioned, including a bottom plate, the top of the bottom plate is respectively installed with a lower mold and an electric push rod, and the top of the lower mold is provided with a lower mold cavity, the output end of the electric push rod is installed with a top plate through a piston rod, and the outer wall of the top plate is provided with a sealing assembly, the sealing assembly includes a clamping groove provided on the outer wall of the top plate, and a protruding strip is clamped in the clamping groove, the outer wall of the protruding strip is installed with a sealing strip, and recesses are provided on both sides of the sealing strip.

[0007] By adopting the above technical scheme, the sealing strip can improve the sealing between the top plate and the lower mold cavity, preventing the material from flowing into the lower part of the top plate through the gap between the top plate and the lower mold cavity.

[0008] Further, the top of the bottom plate is also provided with a support frame, and the top of the support frame is provided with a pneumatic cylinder, and the output end of the pneumatic cylinder is provided with a movable plate through a piston rod.

[0009] By adopting the above technical scheme, when the upper mold needs to be lowered and combined with the lower mold, the pneumatic cylinder can be started, the piston rod can be elongated, the movable plate can be driven to move downward, and the upper mold can be driven to move downward.

[0010] Further, the bottom of the movable plate is provided with an upper mold, and the upper mold is provided with a feeding pipe penetrating the movable plate.

[0011] By adopting the above technical scheme, the feeding pipe is arranged to facilitate the feeding of materials into the mold, and the materials can be easily formed in the mold.

[0012] Further, two guide rods are arranged between the bottom plate and the support frame, and the guide rods penetrate the movable plate.

[0013] By adopting the above technical scheme, the guide rods can guide the movable plate to improve the stability of the movable plate during movement.

[0014] Further, the bottom of the upper mold is provided with a positioning frame, the top of the lower mold is also provided with a positioning groove, and the positioning groove is matched with the positioning frame.

[0015] By adopting the above technical scheme, when the positioning frame is moved into the positioning groove, the upper mold can be positioned, and the precision of the combination of the upper mold and the lower mold can be improved.

[0016] Further, the inside of the lower mold is provided with a cooling cavity, the outer surface of the lower mold is provided with a water inlet hole above, and the water inlet hole is provided with a plugging plug.

[0017] By adopting the above technical scheme, when cold water needs to be added to the cooling cavity, the plugging plug can be taken out from the water inlet hole, and then the cold water can be added to the inside of the cooling cavity through the water inlet hole.

[0018] Further, the two sides of the lower mold are provided with semiconductor refrigerating sheets, and one side of the lower mold is provided with a water temperature sensor extending into the cooling cavity.

[0019] By adopting the above technical scheme, the water temperature sensor can detect the water temperature in the cooling cavity, and the semiconductor refrigerating sheet can cool the water in the cooling cavity.

[0020] Further, the two sides of the lower mold are also provided with protective covers, and the semiconductor refrigerating sheets are located in the protective covers.

[0021] By adopting the technical scheme, the protective cover can shield and protect the semiconductor refrigeration sheet from external objects.

[0022] Further, the convex strip is matched with the clamping groove, and the convex strip and the sealing strip are both made of silica gel material.

[0023] By adopting the technical scheme, the convex strip can be clamped into the clamping groove, so as to facilitate installation of the sealing strip.

[0024] Further, the outer surface of the support frame is provided with a control panel, and the control panel is electrically connected with the air cylinder, the semiconductor refrigeration sheet, the water temperature sensor and the electric push rod.

[0025] By adopting the technical scheme, the air cylinder, the semiconductor refrigeration sheet, the water temperature sensor and the electric push rod can be started or stopped through the control panel.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1. The sealing assembly is provided, the sealing strip is arranged, the sealing property between the top plate and the lower mold cavity is improved, wear of the top plate during continuous up-down movement is avoided, a gap between the top plate and the lower mold cavity is avoided, material flowing into the lower side of the top plate through the gap between the top plate and the lower mold cavity is prevented, material can be smoothly formed above the top plate, and material forming effect is improved.

[0028] 2. The convex strip and the clamping groove are arranged, when the sealing strip needs to be replaced, the top plate is first removed from the lower mold cavity, then the sealing strip is pulled, the sealing strip and the convex strip are deformed, the convex strip is removed from the clamping groove, the sealing strip can be removed, and when the sealing strip is installed, the convex strip is only clamped into the clamping groove, the sealing strip can be installed, the sealing strip can be quickly replaced through the mode.

[0029] 3. The recess is arranged, a finger of a worker can be inserted into the recess, the sealing strip is pulled, the convex strip can be removed from the clamping groove, and the dismounting efficiency of the sealing strip is improved.

[0030] 4. The positioning frame and the positioning groove are arranged, when the upper mold moves downward, the positioning frame is driven to move, when the positioning frame is moved into the positioning groove, the upper mold can be positioned, and the precision of folding of the upper mold and the lower mold is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is an overall three-dimensional structure schematic view of the utility model;

[0032] Figure 2 It is an overall front sectional structure schematic view of the utility model.

[0033] Figure 3 It is the lower mold side surface structure schematic view of the utility model;

[0034] Figure 4 It is the top plate structure schematic view of the utility model;

[0035] Figure 5 It is the top plate structure schematic view of the utility model;

[0036] Figure 6 It is the convex strip structure schematic view of the utility model;

[0037] Figure 7 It is the Figure 2 Enlarged structure schematic view of A place in the utility model.

[0038] In the drawing: 1, bottom plate;2, support frame;3, control panel;4, air cylinder;5, movable plate;6, upper mold;7, injection pipe;8, positioning frame;9, sealing assembly;901, sealing strip;902, clamping groove;903, convex strip;904, groove;10, lower mold;11, electric push rod;12, top plate;13, lower mold cavity;14, cooling cavity;15, water temperature sensor;16, protective cover;17, semiconductor refrigeration piece;18, positioning groove;19, drain pipe;20, water inlet hole;21, plugging plug;22, guide rod. DETAILED DESCRIPTION

[0039] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0040] The embodiments of the utility model will be described below according to the overall structure of the utility model. Embodiment one:

[0041] A kind of injection mold of quick positioning, such as Figures 1-7As shown, including the base plate 1, the top of the base plate 1 is respectively mounted with the lower mold 10 and the electric push rod 11, and the top of the lower mold 10 is provided with a lower mold cavity 13, and the output end of the electric push rod 11 is provided with a top plate 12 through a piston rod, and the outer wall of the top plate 12 is provided with a sealing assembly 9, and the top of the base plate 1 is also provided with a support frame 2, and the top of the support frame 2 is provided with a cylinder 4, and the output end of the cylinder 4 is provided with a movable plate 5 through a piston rod, when the upper mold 6 needs to be lowered and combined with the lower mold 10, the cylinder 4 can be started, the cylinder 4 works to make the piston rod elongate, and then drive the movable plate 5 to move down, and then drive the upper mold 6 to move down, the bottom of the movable plate 5 is provided with the upper mold 6, and the upper mold 6 is provided with a material injection pipe 7 penetrating the movable plate 5, the material injection pipe 7 is convenient for adding material into the mold, and the material can be conveniently formed in the mold.

[0042] Specifically, the sealing assembly 9 comprises a clamping groove 902 formed in the outer wall of the top plate 12, and a convex strip 903 is clamped in the clamping groove 902, and a sealing strip 901 is mounted on the outer wall of the convex strip 903, recesses 904 are formed on both sides of the sealing strip 901, and the outer wall of the sealing strip 901 and the outer wall of the top plate 12 are attached to the inner wall of the lower mold cavity 13, the sealing strip 901 can improve the sealing between the top plate 12 and the lower mold cavity 13, prevent the material from flowing into the lower part of the top plate 12 through the gap between the top plate 12 and the lower mold cavity 13, the convex strip 903 is matched with the clamping groove 902, the convex strip 903 and the sealing strip 901 are made of silica gel material, the sealing strip 901 is detachably connected with the top plate 12 through the convex strip 903, and the convex strip 903 is clamped into the clamping groove 902, so as to install the sealing strip 901. Example two:

[0043] On the basis of the above-mentioned example one, in order to facilitate the cooling of the material in the mold and improve the forming efficiency of the material in the mold, the following structure is provided.

[0044] Reference Figures 1-5The inside of the lower mold 10 is provided with a cooling cavity 14, and the outer surface of the lower mold 10 is provided with a water inlet hole 20 above, which is communicated with the cooling cavity 14. A plug 21 is clamped in the water inlet hole 20, and the outer surface of the plug 21 is provided with a pull ring. When it is needed to add cold water to the cooling cavity 14, the plug 21 can be taken out of the water inlet hole 20, and then cold water can be added to the inside of the cooling cavity 14 through the water inlet hole 20. The cold water can cool the material and improve the forming efficiency of the material in the mold. Semiconductor refrigerating sheets 17 are installed on both sides of the lower mold 10. A water temperature sensor 15 is installed on one side of the lower mold 10 and extends into the cooling cavity 14. The water temperature sensor 15 can detect the water temperature in the cooling cavity 14. The semiconductor refrigerating sheets 17 can cool the water in the cooling cavity 14. Protective covers 16 are also installed on both sides of the lower mold 10, and the semiconductor refrigerating sheets 17 are located inside the protective covers 16. The protective covers 16 can shield and protect the semiconductor refrigerating sheets 17 from being collided by external objects. A control panel 3 is installed on one side of the outer surface of the support frame 2, and the control panel 3 is electrically connected with the air cylinder 4, the semiconductor refrigerating sheets 17, the water temperature sensor 15 and the electric push rod 11. The control panel 3 can start or stop the air cylinder 4, the semiconductor refrigerating sheets 17, the water temperature sensor 15 and the electric push rod 11. A drain pipe 19 is connected below the back of the lower mold 10, and a drain valve is installed on the drain pipe 19. When it is needed to replace the water in the cooling cavity 14, the drain valve can be opened first, and then the water in the cooling cavity 14 can be drained through the drain pipe 19, so as to replace the water in the cooling cavity 14. Example three:

[0045] On the basis of the above-mentioned example one, in order to improve the stability of the upward and downward movement of the movable plate 5, it is necessary to guide it, so the following structure will be set.

[0046] Referring to Figures 1-2 Two guide rods 22 are installed between the bottom plate 1 and the support frame 2, and the guide rods 22 penetrate the movable plate 5. The guide rods 22 can guide the movable plate 5 and improve the stability of the movement of the movable plate 5. Example four:

[0047] On the basis of the above-mentioned example one, in order to improve the precision of the closing of the upper mold 6 and the lower mold 10, it is necessary to position the upper mold 6 and the lower mold 10, so the following structure will be set.

[0048] Specifically, the bottom of the upper mold 6 is provided with a positioning frame 8, and the top of the lower mold 10 is also provided with a positioning groove 18. When the positioning frame 8 moves into the positioning groove 18, the upper mold 6 can be positioned, and the precision of the closing of the upper mold 6 and the lower mold 10 is improved.

[0049] The working principle of the utility model is as follows: firstly, the power is connected before the mold is used, then the plugging plug 21 is taken out from the water inlet hole 20, then cold water is added into the cooling cavity 14 through the water inlet hole 20, after the addition, the plugging plug 21 is plugged into the water inlet hole 20, then the air cylinder 4 is started, so that the piston rod is elongated, then the movable plate 5 is driven to move downwards, the upper mold 6 is driven to move downwards, and the positioning frame 8 is driven to move downwards, when the positioning frame 8 moves into the positioning groove 18, the upper mold 6 can be positioned, when the upper mold 6 and the lower mold 10 are folded, the positioning frame 8 is completely moved into the positioning groove 18, then the material can be added into the mold through the material injection pipe 7, so that the material can be formed in the mold, and the cold water in the cooling cavity 14 can improve the forming efficiency of the material;

[0050] When the material is formed, the air cylinder 4 is started, so that the piston rod is retracted, then the upper mold 6 is driven to move upwards, so that the upper mold 6 and the lower mold 10 are separated, then the electric push rod 11 is started, so that the piston rod is elongated, then the top plate 12 is pushed to move upwards, the top plate 12 pushes the formed material to move upwards, so that the material is moved out of the lower mold cavity 13, then the staff takes out the formed material;

[0051] The sealing strip 901 can improve the sealing property between the top plate 12 and the lower mold cavity 13, avoid the gap between the top plate 12 and the lower mold cavity 13 caused by the abrasion of the top plate 12 when the top plate 12 continuously moves up and down, and prevent the material from flowing into the lower part of the top plate 12 through the gap between the top plate 12 and the lower mold cavity 13, when the sealing strip 901 needs to be replaced, the top plate 12 can be moved out of the lower mold cavity 13, then the staff inserts the fingers into the groove 904 and pulls the sealing strip 901, so that the sealing strip 901 and the convex strip 903 are deformed, the convex strip 903 is moved out of the clamping groove 902, so that the sealing strip 901 can be taken down, and the installation of the sealing strip 901 can be completed by clamping the convex strip 903 into the clamping groove 902;

[0052] The water temperature sensor 15 can detect the water temperature in the cooling cavity 14, when the detected water temperature is high, the water temperature sensor 15 transmits a signal to the control panel 3, the control panel 3 receives the signal and starts the semiconductor refrigeration piece 17, and the semiconductor refrigeration piece 17 can cool the water in the cooling cavity 14.

[0053] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A fast positionable injection mold comprising a base plate (1), characterized in that: The top of the bottom plate (1) is respectively provided with a lower mold (10) and an electric push rod (11), and the top of the lower mold (10) is provided with a lower mold cavity (13), and the output end of the electric push rod (11) is provided with a top plate (12) through a piston rod, and the outer wall of the top plate (12) is provided with a sealing assembly (9), the sealing assembly (9) comprises a clamping groove (902) formed in the outer wall of the top plate (12), and the inside of the clamping groove (902) is clamped with a convex strip (903), and the outer wall of the convex strip (903) is provided with a sealing strip (901), and the both sides of the sealing strip (901) are provided with grooves (904).

2. A rapid positionable injection mold according to claim 1, wherein: The top of the bottom plate (1) is also provided with a support frame (2), and the top of the support frame (2) is provided with a cylinder (4), and the output end of the cylinder (4) is provided with a movable plate (5) through a piston rod.

3. A rapid positionable injection mold according to claim 2, wherein: The bottom of the movable plate (5) is provided with an upper mold (6), and the upper mold (6) is provided with a feeding pipe (7) penetrating the movable plate (5).

4. A rapid positionable injection mold in accordance with claim 2, wherein: Two guide rods (22) are installed between the bottom plate (1) and the support frame (2), and the guide rods (22) penetrate the movable plate (5).

5. A rapid positionable injection mold in accordance with claim 3 wherein: The bottom of the upper mold (6) is provided with a positioning frame (8), and the top of the lower mold (10) is also provided with a positioning groove (18), and the positioning groove (18) is matched with the positioning frame (8).

6. The rapid positionable injection mold of claim 1, wherein: The inside of the lower mold (10) is provided with a cooling cavity (14), and the outer surface of the lower mold (10) is provided with a water inlet hole (20) above, and the water inlet hole (20) is provided with a blocking plug (21).

7. The rapid positionable injection mold of claim 1, wherein: Both sides of the lower mold (10) are provided with a semiconductor refrigerating sheet (17), and one side of the lower mold (10) is provided with a water temperature sensor (15) extending into the cooling cavity (14).

8. A rapid positionable injection mold according to claim 7, wherein: Both sides of the lower mold (10) are also provided with a protective cover (16), and the semiconductor refrigerating sheet (17) is located in the inside of the protective cover (16).

9. The rapid positionable injection mold of claim 1, wherein: The convex strip (903) is matched with the clamping groove (902), and the convex strip (903) and the sealing strip (901) are made of silica gel material.

10. The rapid positionable injection mold of claim 2, wherein: The outer surface of the support frame (2) is provided with a control panel (3), and the control panel (3) is respectively electrically connected with the cylinder (4), the semiconductor refrigerating sheet (17), the water temperature sensor (15) and the electric push rod (11).

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