Combined mold convenient to demold

Abstract

The utility model relates to the technical field of molds, in particular to a combined mold convenient to demold. According to the technical scheme, the die comprises a fixed die bottom plate and a movable die, a pair of combined bottom dies is connected to the fixed die bottom plate in a sliding mode, a forming cavity is formed between the combined bottom dies, the movable die is arranged above the fixed die bottom plate, a protruding block matched with the forming cavity is arranged at the bottom of the movable die, and guide rods are fixed to the four corners of the bottom of the movable die. Guide holes matched with the guide rods are formed in the four corners of the fixed mold bottom plate, a telescopic groove is formed in the middle of the upper end of the fixed mold bottom plate, a telescopic plate is slidably connected into the telescopic groove, a push plate is fixed to the upper portion of the end of the telescopic plate, and a driving assembly for driving the telescopic groove to slide is arranged at the bottom of the telescopic groove. According to the utility model, the movable mold is formed by combining the two combined bottom molds, the two combined bottom molds are separated during demolding, so that a molded workpiece is separated from the mold, and the purposes of demolding and unloading can be quickly realized by utilizing the pushing of the push plate, so that the operation difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a combined mould convenient to demould. BACKGROUND

[0002] Mould is the key tool for manufacturing various products in industrial production, and the processing of the shape of the article is realized mainly by changing the physical state of the material, and the common mould is combined by the dynamic mould and the fixed mould.

[0003] The stamping die is used for extruding the metal sheet into the forming cavity by the stamping head of the dynamic mould, so that the workpiece is formed in the forming cavity, and if the fixed mould is an integral structure, the workpiece can be only ejected by the method of material ejection, and the finished product is also needed to be taken out in time, and the whole operation is relatively troublesome. SUMMARY

[0004] The utility model discloses a combined mould convenient to demould to solve the problem in the above background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: including fixed mould base plate and dynamic mould, a pair of combined bottom mould is connected on the fixed mould base plate and slides, the forming cavity is arranged between the combined bottom mould, the dynamic mould is arranged on the fixed mould base plate top, and the bottom is provided with the convex block that is matched with the forming cavity, the dynamic mould bottom four corners are fixed with the guide rod, the fixed mould base plate four corners are provided with the guide hole that is matched with the guide rod, the fixed mould base plate upper end middle position is provided with the expansion slot, the expansion slot is slidably connected with the expansion plate, the expansion plate end portion top is fixed with the push plate, and the expansion slot bottom is provided with the drive assembly.

[0006] Preferably, the drive assembly includes a drive slot and a threaded rod, the drive slot is provided in the bottom of the expansion slot, the threaded rod is rotatably connected in the expansion slot, the threaded rod is threadedly connected with a threaded sleeve, the threaded sleeve is slidably connected in the drive slot, and the upper end is fixedly connected with the expansion plate.

[0007] Preferably, the fixed mould base plate outside and the position of alignment with the drive slot are fixed with a servo motor, and the output end of the servo motor is fixed on the threaded rod.

[0008] Preferably, a pair of expansion cylinders are fixed on the upper end of the fixed mould base plate, and the output end of the expansion cylinder is fixed on the corresponding combined bottom mould.

[0009] Preferably, a pair of limiting strips are fixed on the upper end of the fixed mould base plate and the position corresponding to the combined bottom mould, and a limiting groove is formed in the bottom of the combined bottom mould and the position corresponding to the limiting strip.

[0010] Preferably, the fixed die base plate upper end is fixed with a discharge plate away from the push plate side, and the discharge plate is inclinedly arranged close to the telescopic groove side.

[0011] Compared with the prior art, the beneficial effects of the utility model are that the movable die is set as the combination of two combined bottom dies, the combination is separated during demolding, the formed workpiece is separated from the mold, and the purpose of demolding and discharging is quickly achieved by the pushing of the push plate, and the operation difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is an overall appearance structure schematic diagram of the combined die convenient for demolding;

[0013] Fig. 2 It is a top view structure schematic diagram of the fixed die base plate of the combined die convenient for demolding;

[0014] Fig. 3 It is a combined structure schematic diagram of the fixed die base plate and the combined bottom die of the combined die convenient for demolding.

[0015] In the figure: 1, fixed die base plate; 11, guide hole; 12, discharge plate; 13, limiting strip; 2, combined bottom die; 21, forming cavity; 3, telescopic plate; 31, push plate; 4, telescopic groove; 41, driving groove; 42, threaded rod; 43, servo motor; 5, movable die; 51, guide rod; 6, telescopic cylinder. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figs. 1-3 The utility model provides a technical scheme: including fixed die base plate 1 and movable die 5, a pair of combined bottom dies 2 are connected in sliding mode on fixed die base plate 1, and the forming cavity 21 is arranged between the combined bottom dies 2, movable die 5 is set above fixed die base plate 1, and the bottom is provided with the convex block matched with the forming cavity 21, the guide rod 51 is fixed at the bottom of movable die 5 four corners, the guide hole 11 matched with the guide rod 51 is set in the four corners of fixed die base plate 1, the telescopic groove 4 is set in the middle position of the upper end of fixed die base plate 1, the telescopic plate 3 is connected in sliding mode in the telescopic groove 4, the push plate 31 is fixed on the upper end of telescopic plate 3, and the driving assembly that drives telescopic groove 4 to slide is arranged at the bottom of telescopic groove 4.

[0018] The driving assembly comprises a driving groove 41 and a threaded rod 42, the driving groove 41 is arranged at the bottom of the telescopic groove 4, the threaded rod 42 is rotatably connected in the telescopic groove 4, a threaded sleeve is threadedly connected on the threaded rod 42, the threaded sleeve is slidably connected in the driving groove 41, and the upper end is fixedly connected with the telescopic plate 3; a servo motor 43 is fixed at the outer side of the fixed die base plate 1 and is aligned with the driving groove 41, and the output end of the servo motor 43 is fixed on the threaded rod 42.

[0019] A pair of telescopic cylinders 6 are fixed on the upper end of the fixed die base plate 1, the output ends of the telescopic cylinders 6 are fixed on the corresponding combined bottom dies 2, a pair of limiting strips 13 are fixed on the upper end of the fixed die base plate 1 and correspond to the combined bottom dies 2, limiting grooves are arranged at the bottom of the combined bottom dies 2 and correspond to the limiting strips 13, and a discharging plate 12 is fixed on the upper end of the fixed die base plate 1 and away from one side of the push plate 31, and the discharging plate 12 is arranged in an inclined manner on the side close to the telescopic groove 4.

[0020] Working principle: the metal plate is placed above the combined bottom dies 2, the workpiece is formed in the forming cavity 21 by the downward pressing of the movable die 5, and when demolding, the telescopic cylinders 6 are driven to slide the combined bottom dies 2, so that the combined bottom dies 2 are separated from each other, and then the combined bottom dies 2 are separated from the finished product, at this time, the telescopic plate 3 is slid to drive the push plate 31 to slide, so that the finished product on the fixed die base plate 1 is pushed out until it is separated from the fixed die base plate 1, thereby achieving the purpose of fast and safe demolding, and the sliding of the telescopic plate 3 can drive the threaded rod 42 to rotate by the driving of the output end of the servo motor 43, so that the threaded sleeve and the telescopic plate 3 are telescoped and slid, and after the telescopic plate 3 is reset, the combined bottom dies 2 can be reset for the next workpiece stamping forming.

[0021] It should be noted that, in the present text, the relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0022] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A modular mold for easy demolding, comprising a fixed mold base plate (1) and a moving mold (5), characterized in that: A pair of combined bottom molds (2) are slidably connected to the fixed mold base plate (1). A forming cavity (21) is provided between the combined bottom molds (2). The moving mold (5) is located above the fixed mold base plate (1) and has a protrusion at the bottom that matches the forming cavity (21). Guide rods (51) are fixed at the four corners of the bottom of the moving mold (5). Guide holes (11) that match the guide rods (51) are opened at the four corners of the fixed mold base plate (1). A telescopic groove (4) is opened at the middle position of the upper end of the fixed mold base plate (1). A telescopic plate (3) is slidably connected in the telescopic groove (4). A push plate (31) is fixed above the end of the telescopic plate (3). A driving component is provided at the bottom of the telescopic groove (4).

2. The modular mold for easy demolding according to claim 1, characterized in that: The drive assembly includes a drive groove (41) and a threaded rod (42). The drive groove (41) is located at the bottom of the telescopic groove (4). The threaded rod (42) is rotatably connected to the telescopic groove (4). A threaded sleeve is threadedly connected to the threaded rod (42). The threaded sleeve is slidably connected to the drive groove (41) and its upper end is fixedly connected to the telescopic plate (3).

3. The modular mold for easy demolding according to claim 2, characterized in that: A servo motor (43) is fixed on the outside of the fixed mold base plate (1) and aligned with the drive groove (41). The output end of the servo motor (43) is fixed on the threaded rod (42).

4. The modular mold for easy demolding according to claim 1, characterized in that: A pair of telescopic cylinders (6) are fixed at the upper end of the fixed mold base plate (1), and the output end of the telescopic cylinders (6) is fixed on the corresponding combined bottom mold (2).

5. A modular mold for easy demolding according to claim 1, characterized in that: A pair of limiting strips (13) are fixed at the upper end of the fixed mold base plate (1) and at the position corresponding to the combined bottom mold (2). A limiting groove is opened at the bottom of the combined bottom mold (2) and at the position corresponding to the limiting strips (13).

6. A modular mold for easy demolding according to claim 1, characterized in that: The upper end of the fixed mold base plate (1) is fixed with a stripper plate (12) away from the push plate (31), and the stripper plate (12) is inclined on the side near the expansion groove (4).

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