Demolding structure of mold

Abstract

The utility model discloses a demolding structure of a mold, which belongs to the technical field of mold demolding, and is characterized in that the demolding structure comprises an upper mold, a lower mold and a bottom plate, the front side of the bottom plate is provided with a demolding mechanism, the front sides and the rear sides of the two sides of the top of the bottom plate are respectively provided with a limiting clamp, and a limiting groove is formed in the bottom plate; the demolding mechanism comprises an air inlet groove, an air inlet pipe and a valve, the valve fixedly communicates with the top of the air inlet pipe, the rear side of the air inlet pipe penetrates through the bottom plate and extends into the air inlet groove, and the air inlet groove is formed in the bottom of the inner wall of the limiting groove. The problems that in the prior art, a worker can take out a workpiece from the interior of a lower die with the help of a tool, even if the workpiece can be taken out from the interior of the lower die, extra labor and time need to be consumed, the forming machining efficiency of the workpiece is affected, and therefore the using effect is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold demoulding, in particular to a mold demoulding structure. Background Art

[0002] Moulds are various moulds and tools used in industrial production to obtain the required products by injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods. After using the mould to process the workpiece, the upper mould and the lower mould need to be separated to take out the workpiece between the upper mould and the lower mould.

[0003] At present, a Chinese patent with announcement number CN219338740U discloses a demoulding structure of a mold, which relates to the field of mold technology and includes: a mold assembly, wherein the mold assembly includes a mold body, a mold groove is provided on the upper surface of the mold body, and a plurality of through holes are evenly provided on the bottom of the mold groove; a demoulding assembly, wherein the demoulding assembly is located at the lower side of the mold assembly, and the demoulding assembly includes a bracket, a hydraulic cylinder is fixedly connected to the lower surface of the bracket, and the output end of the hydraulic cylinder slides through the bracket, and the output end of the hydraulic cylinder is fixedly connected to a hydraulic rod. In this utility model, through the setting of the demoulding assembly, after the workpiece is processed, starting the hydraulic cylinder can drive the hydraulic rod to extend and drive the support plate to move up. When the support plate is moved up in contact with the inner wall of the mold groove, the workpiece processed in the mold groove can be ejected upward, and the staff can directly take out the workpiece from the mold groove. The demoulding work is more labor-saving, which improves the practicality of the mold.

[0004] After most of the existing molds process the workpiece, the workpiece will be embedded in the lower mold. The staff will use tools to pick the workpiece out of the lower mold. Even if the workpiece can be taken out from the lower mold, it will consume extra labor and time, affecting the molding efficiency of the workpiece. Therefore, we propose a mold demolding structure that can quickly remove the workpiece from the lower mold, reduce labor consumption, and improve the efficiency of using the mold to form the workpiece. Utility Model Content

[0005] The utility model provides a demoulding structure of a mold, aiming to solve the problem that in most existing molds, after processing the workpiece, the workpiece will be embedded in the interior of the lower mold, and the staff will use tools to pick the workpiece out of the lower mold. Even if the workpiece can be taken out from the lower mold, it will consume additional labor and time, affecting the molding processing efficiency of the workpiece and thus affecting the use effect.

[0006] The utility model is implemented as follows: a demoulding structure of a mold comprises an upper mold, a lower mold and a bottom plate, a demoulding mechanism is arranged on the front side of the bottom plate, limiting cards are arranged on the front side and the rear side of both sides of the top of the bottom plate, and a limiting groove is arranged inside the bottom plate;

[0007] The demoulding mechanism includes an air inlet groove, an air inlet pipe and a valve, wherein the valve is fixedly connected to the top of the air inlet pipe, the rear side of the air inlet pipe passes through the bottom plate and extends to the interior of the air inlet groove, the air inlet groove is opened at the bottom of the inner wall of the limiting groove, and the surface of the lower mold is in contact with the inner wall of the limiting groove.

[0008] In order to achieve the effect of sealing between the lower mold and the bottom plate, as a preferred demoulding structure of the mold of the utility model, a sealing gasket is fixedly connected to the bottom of the inner wall of the limiting groove, and the top of the sealing gasket is in contact with the bottom of the lower mold.

[0009] In order to facilitate the rotation of the limit card, a demolding structure of a mold of the utility model is preferably provided with a rotating column on the top of the limit card, the bottom of the rotating column passes through the limit card and is fixedly connected to the top of the base plate, the surface of the rotating column is movably connected to the inner wall of the limit card, and the surface of the limit card is in contact with the surface of the lower mold.

[0010] In order to achieve the effect of limiting the limit card, as a demoulding structure of a mold of the utility model, a limit pin is preferably provided on the top of the limit card, and the bottom of the limit pin passes through the limit card and extends to the inside of the lower mold.

[0011] In order to facilitate the air to enter the lower mold, as a preferred demoulding structure of the mold of the utility model, an air inlet hole is opened inside the lower mold, and the air inlet hole is connected to the air inlet groove.

[0012] In order to achieve the effect of conveniently moving the bottom plate, as a preferred demoulding structure of a mold of the utility model, handles are fixedly connected to both sides of the bottom plate.

[0013] In order to facilitate the effect of lifting the upper mold upward, as a demoulding structure of the mold of the utility model, both sides of the front and rear sides of the top of the bottom plate are fixedly connected with electric telescopic rods, both sides of the front and rear sides of the upper mold are fixedly connected with top blocks, and the bottom of the top block is fixedly connected with a plug-in bucket.

[0014] In order to achieve the effect of supporting the bottom plate, as a preferred demoulding structure of a mold of the utility model, the four corners of the bottom of the bottom plate are fixedly connected with support blocks.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The demoulding structure of the mold connects the lower mold with the base plate, and then connects the external air source with the air inlet pipe. After the upper mold and the lower mold are used to form the workpiece, the valve is opened. After the valve is opened, the external air source quickly inputs high-pressure air into the air inlet pipe, the air inlet groove and the air inlet hole, and then enters the lower mold to blow out the workpiece inside the lower mold, thereby quickly removing the workpiece after the forming process in the lower mold. This avoids the problem that after most existing molds process the workpiece, the workpiece will be embedded in the lower mold, and the staff will use tools to pick the workpiece out of the lower mold. Even if the workpiece can be taken out of the lower mold, it will consume additional labor and time, affecting the forming efficiency of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structural diagram of the demoulding structure of the mold of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the base in the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure inside the lower mold of the utility model;

[0020] Figure 4 It is a three-dimensional exploded schematic diagram of the transfer column and the limit card of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the bottom of the top block in the utility model;

[0022] Figure 6 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0023] In the figure, 1. upper mold; 2. lower mold; 3. bottom plate; 4. handle; 5. support block; 6. demoulding mechanism; 601. air inlet groove; 602. air inlet pipe; 603. valve; 7. electric telescopic rod; 8. top block; 9. limit card; 10. air inlet hole; 11. rotating column; 12. limit pin; 13. insert barrel; 14. limit groove; 15. sealing gasket. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-6 The utility model provides a technical solution: a demoulding structure of a mold, comprising an upper mold 1, a lower mold 2 and a bottom plate 3, a demoulding mechanism 6 is arranged on the front side of the bottom plate 3, limiting cards 9 are arranged on the front and rear sides of both sides of the top of the bottom plate 3, and a limiting groove 14 is arranged inside the bottom plate 3;

[0027] The demolding mechanism 6 includes an air inlet groove 601, an air inlet pipe 602 and a valve 603. The valve 603 is fixedly connected to the top of the air inlet pipe 602. The rear side of the air inlet pipe 602 passes through the bottom plate 3 and extends to the inside of the air inlet groove 601. The air inlet groove 601 is opened at the bottom of the inner wall of the limiting groove 14, and the surface of the lower mold 2 is in contact with the inner wall of the limiting groove 14.

[0028] In this embodiment: by connecting the lower mold 2 with the base plate 3, and then connecting the external air source with the air inlet pipe 602, after using the upper mold 1 and the lower mold 2 to form the workpiece, open the valve 603. After the valve 603 is opened, the external air source quickly inputs high-pressure air into the air inlet pipe 602, the air inlet groove 601 and the air inlet hole 10, and then enters the lower mold 2 to blow out the workpiece inside the lower mold 2, thereby quickly taking out the workpiece after the forming process in the lower mold 2, avoiding the problem that most existing molds will embed the workpiece into the lower mold 2 after processing the workpiece, and the staff will use tools to pick the workpiece out of the lower mold 2. Even if the workpiece can be taken out from the lower mold 2, it will consume extra labor and time, affecting the forming efficiency of the workpiece.

[0029] As a technical optimization solution of the present invention, a sealing gasket 15 is fixedly connected to the bottom of the inner wall of the limiting groove 14 , and the top of the sealing gasket 15 contacts the bottom of the lower mold 2 .

[0030] In this embodiment, by moving the lower mold 2 to contact the inside of the limiting groove 14, the sealing gasket 15 can seal the lower mold 2 and the bottom plate 3, thereby achieving the effect of sealing the lower mold 2 and the bottom plate 3.

[0031] As a technical optimization solution of the utility model, a rotating column 11 is arranged on the top of the limit card 9, the bottom of the rotating column 11 passes through the limit card 9 and is fixedly connected to the top of the base plate 3, the surface of the rotating column 11 is movably connected to the inner wall of the limit card 9, and the surface of the limit card 9 contacts the surface of the lower mold 2.

[0032] In this embodiment, the rotating column 11 passes through the limiting card 9, and the surface of the rotating column 11 is movably connected to the inner wall of the limiting card 9, so that the limiting card 9 can be easily rotated, thereby achieving the effect of facilitating the rotation of the limiting card 9.

[0033] As a technical optimization solution of the utility model, a limit pin 12 is arranged on the top of the limit card 9 , and the bottom of the limit pin 12 passes through the limit card 9 and extends to the inside of the lower mold 2 .

[0034] In this embodiment, the limiting pin 12 passes through the limiting card 9 and extends to the inside of the lower mold 2, so as to limit the limiting card 9 and prevent the limiting card 9 from being separated from the lower mold 2, thereby achieving the effect of limiting the limiting card 9.

[0035] As a technical optimization solution of the present invention, an air inlet hole 10 is opened inside the lower mold 2 , and the air inlet hole 10 is connected to the air inlet groove 601 .

[0036] In this embodiment, external air will enter the interior of the lower mold 2 through the air inlet pipe 602, the air inlet groove 601 and the machine hole, thereby achieving the effect of facilitating the air to enter the interior of the lower mold 2.

[0037] As a technical optimization solution of the present invention, handles 4 are fixedly connected to both sides of the bottom plate 3 .

[0038] In this embodiment, by holding the handle 4 and moving the handle 4 , the bottom plate 3 can be driven to move, thereby achieving the effect of conveniently moving the bottom plate 3 .

[0039] As a technical optimization solution of the utility model, electric telescopic rods 7 are fixedly connected to both sides of the front and rear sides of the top of the bottom plate 3, top blocks 8 are fixedly connected to both sides of the front and rear sides of the upper mold 1, and a barrel 13 is fixedly connected to the bottom of the top block 8.

[0040] In this embodiment: by controlling the telescopic end of the electric telescopic rod 7 to move upward, the top of the telescopic end of the electric telescopic rod 7 is inserted into the inside of the insertion barrel 13. At this time, the electric telescopic rod 7 can lift the upper mold 1 upward, thereby achieving the effect of facilitating the lifting of the upper mold 1.

[0041] As a technical optimization solution of the present utility model, four corners of the bottom of the bottom plate 3 are fixedly connected with support blocks 5 .

[0042] In this embodiment, the bottom plate 3 is moved to a stable place, and the support blocks 5 can stably support the bottom plate 3, thereby achieving the effect of supporting the bottom plate 3.

[0043] Working principle: First, move the bottom plate 3 to a stable place, at this time, the support block 5 will stably support the bottom plate 3, then move the upper mold 1 and the lower mold 2 to the top of the bottom plate 3, move the lower mold 2 to the inside of the limiting groove 14, at this time, the limiting groove 14 can limit the lower mold 2 and the upper mold 1, then rotate the limiting card 9 to contact with the lower mold 2, at this time, the limiting card 9 can limit the lower mold 2, then pass the limiting pin 12 through the limiting card 9 and extend to the inside of the lower mold 2, at this time, the limiting pin 12 can limit the limiting card 9 to prevent the limiting card 9 from separating from the lower mold 2, then connect the external air source to the air inlet pipe 602, after the upper mold 1 and the lower mold 2 are used to form the workpiece, control the telescopic end of the electric telescopic rod 7 to move upward, so that the telescopic end of the electric telescopic rod 7 The top of the upper mold 1 is inserted into the insert barrel 13. At this time, the electric telescopic rod 7 can lift the upper mold 1 upward to separate it from the lower mold 2, and then open the valve 603. After the valve 603 is opened, the external air source quickly inputs high-pressure air into the air inlet pipe 602, the air inlet groove 601 and the air inlet hole 10, and then enters the lower mold 2 to blow out the workpiece inside the lower mold 2, and then close the valve 603, so that the workpiece formed in the lower mold 2 can be quickly taken out, avoiding the problem that most of the existing molds will embed the workpiece into the lower mold 2 after processing the workpiece, and the staff will use tools to pick the workpiece out of the lower mold 2. Even if the workpiece can be taken out from the lower mold 2, it will consume extra labor and time, affecting the efficiency of the forming processing of the workpiece.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A demoulding structure of a mold, comprising an upper mold (1), a lower mold (2) and a bottom plate (3), characterized in that: A demoulding mechanism (6) is arranged on the front side of the bottom plate (3), limiting clips (9) are arranged on the front and rear sides of both sides of the top of the bottom plate (3), and a limiting groove (14) is arranged inside the bottom plate (3); The demoulding mechanism (6) comprises an air inlet groove (601), an air inlet pipe (602) and a valve (603); the valve (603) is fixedly connected to the top of the air inlet pipe (602); the rear side of the air inlet pipe (602) passes through the bottom plate (3) and extends to the inside of the air inlet groove (601); the air inlet groove (601) is provided at the bottom of the inner wall of the limiting groove (14); and the surface of the lower mold (2) is in contact with the inner wall of the limiting groove (14).

2. The demoulding structure of a mold according to claim 1, characterized in that: A sealing gasket (15) is fixedly connected to the bottom of the inner wall of the limiting groove (14), and the top of the sealing gasket (15) is in contact with the bottom of the lower mold (2).

3. The demoulding structure of a mold according to claim 1, characterized in that: A rotating column (11) is arranged on the top of the limiting card (9), the bottom of the rotating column (11) passes through the limiting card (9) and is fixedly connected to the top of the bottom plate (3), the surface of the rotating column (11) is movably connected to the inner wall of the limiting card (9), and the surface of the limiting card (9) is in contact with the surface of the lower mold (2).

4. The demoulding structure of a mold according to claim 1, characterized in that: A limiting pin (12) is arranged on the top of the limiting card (9), and the bottom of the limiting pin (12) passes through the limiting card (9) and extends to the inside of the lower mold (2).

5. The demoulding structure of a mold according to claim 1, characterized in that: An air inlet hole (10) is provided inside the lower mold (2), and the air inlet hole (10) is connected to the air inlet groove (601).

6. The demoulding structure of a mold according to claim 1, characterized in that: Handles (4) are fixedly connected to both sides of the bottom plate (3).

7. The demoulding structure of a mold according to claim 1, characterized in that: Both sides of the front and rear sides of the top of the bottom plate (3) are fixedly connected to electric telescopic rods (7), both sides of the front and rear sides of the upper mold (1) are fixedly connected to a top block (8), and the bottom of the top block (8) is fixedly connected to an insertion barrel (13).

8. The demoulding structure of a mold according to claim 1, characterized in that: The four corners of the bottom of the base plate (3) are fixedly connected with support blocks (5).

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