Die assembly convenient to replace for die-casting machine

Abstract

The utility model discloses a die assembly convenient to replace for a die-casting machine, which belongs to the technical field of dies, and comprises a bottom plate, a top plate and a die main body, a plurality of support rods are fixed between the bottom plate and the top plate, and the bottom plate and the top plate are also provided with a movable plate. The interior of the movable plate is slidably connected with the outer side of the supporting rod, a lead screw is in threaded connection with the interior of the movable plate, a shaft support is fixed to the top face of the bottom plate, a rotating shaft is rotationally connected to the inner side of the shaft support, a handle is fixed to one end of the rotating shaft, and a first bevel gear is coaxially fixed to the other end of the rotating shaft. And the outer side of the first bevel gear is in engaged connection with a second bevel gear. According to the utility model, the problem that the stability is influenced as a gap is easily generated between the die and the base due to the fact that the plug pin or the clamping block only plays a role in plugging or clamping fixation and no pre-tightening force is applied is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, more specifically, it is related to the mould assembly convenient to replace for die casting machine. BACKGROUND

[0002] Mould will gradually wear in the long-term use process, lead to product size precision and surface quality decline, influence product quality, regular replacement mould can ensure the stability and consistency of product, thereby improve product quality, the mould assembly convenient to replace for existing die casting machine, fixed through the bolt or the block, since the bolt or the block just play the effect of insertion or clamping fixation, do not exert pre-tightening force, make the mould and the base easy to produce gap, thereby influence stability, therefore, the mould assembly convenient to replace for die casting machine is proposed. CONTENT OF UTILITY MODEL

[0003] In view of the deficiency of prior art, the utility model provides the mould assembly convenient to replace for die casting machine, rotates the handle, the block of elastic rod and the clamping groove on the insertion rod are clamped and are matched, along with the elastic rod continues to move down, the wedge-shaped lug on the elastic rod moves from the tapered groove on the first sleeve into the movable slot, at this moment, pull down the insertion rod, thereby exerts pre-tightening force to the insertion rod, to solve the problem of the above background art, since the bolt or the block just play the effect of insertion or clamping fixation, do not exert pre-tightening force, make the mould and the base easy to produce gap, thereby influence stability.

[0004] In order to achieve the above object, the utility model is realized through the following technical scheme: the mould assembly convenient to replace for die casting machine, including bottom plate, top plate and mould main body, a plurality of support rods are fixed between the bottom plate and the top plate, the bottom plate and the top plate are also provided with movable plate, the inside of movable plate and the outside of support rod are slidably connected, the inside of movable plate is threadedly connected with lead screw, the top surface of bottom plate is fixed with shaft support, the inside of shaft support is rotatably connected with rotating shaft, one end of rotating shaft is fixed with handle, the other end of rotating shaft is coaxially fixed with first bevel gear, the outside of first bevel gear is meshedly connected with second bevel gear, the inside of second bevel gear is coaxially fixedly connected with the outside lower part of lead screw, the bottom surface of mould main body is fixed with a plurality of insertion rods, the outside of insertion rod is provided with clamping groove, the top surface of top plate is provided with a plurality of insertion slots, the inside of insertion slot is fixed with first sleeve, the inside of first sleeve is provided with tapered groove and movable slot, the inside of first sleeve is also provided with second sleeve, the lower end of second sleeve is fixedly connected with the top surface of movable plate, the upper end of second sleeve is fixed with a plurality of elastic rods, the upper end of elastic rod is provided with wedge-shaped lug, the upper end of elastic rod is also provided with block, the outside of block is clamped and matched with the inside of clamping groove.

[0005] As a preferred technical solution of the present invention, the mold body is located on the top surface of the top plate.

[0006] As a preferred technical solution of the present invention, the upper end of the screw rod is rotatably connected to the bottom surface of the top plate, and the lower end of the screw rod is rotatably connected to the top surface of the bottom plate.

[0007] As a preferred technical solution of the present invention, the lower end of the insertion rod is plugged into and fitted with the inner side of the slot.

[0008] As a preferred technical solution of the present invention, the diameter of the insertion rod is the same as the inner diameter of the slot.

[0009] As a preferred technical solution of the present invention, the diameter of the second sleeve is the same as the inner diameter of the first sleeve.

[0010] As a preferred technical solution of the present invention, the outer side of the wedge-shaped protrusion is in sliding contact with the inner sides of the tapered groove and the movable groove.

[0011] The utility model provides a die assembly for a die-casting machine that is easy to replace, and has the following beneficial effects:

[0012] 1. The die-casting machine uses a mold assembly that is easy to replace. When installing the mold body, the insertion rod on the mold body is inserted into the slot on the top plate, and the handle is turned. The clamping block on the elastic rod engages with the clamping slot on the insertion rod. As the elastic rod continues to move downward, the wedge-shaped protrusion on the elastic rod moves from the tapered groove on the first sleeve to the movable groove. At this time, the insertion rod is pulled downward to apply a pre-tightening force to the insertion rod, which solves the problem that the mold and the base are easily gapped because the pin or the clamping block only plays the role of plugging or clamping and fixing without applying pre-tightening force, thereby affecting the stability.

[0013] 2. The die casting machine uses easy-to-replace mold components, with a reasonable and compact structure design and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the overall structure of the die assembly that is easy to replace for the die-casting machine.

[0015] Figure 2 The utility model is a schematic diagram of the disassembly and cross-sectional structure of a die assembly that is easy to replace for a die-casting machine.

[0016] Figure 3 The utility model is a die-casting machine with a die assembly that is easy to replace Figure 2 A is an enlarged schematic diagram.

[0017] Figure 4 The utility model is a die-casting machine with a die assembly that is easy to replace Figure 2 Enlarged schematic diagram of point B in FIG.

[0018] In the figure: 1, the base plate; 2, the top plate; 3, the mold main body; 4, the movable plate; 5, the lead screw; 6, the shaft support; 7, the rotating shaft; 8, the handle; 9, the first bevel gear; 10, the second bevel gear; 11, the insertion rod; 12, the insertion slot; 13, the first sleeve; 14, the conical groove; 15, the movable slot; 16, the clamping groove; 17, the second sleeve; 18, the elastic rod; 19, the wedge-shaped protrusion; 20, the clamping block; 21, the support rod. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0020] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1 to 4The utility model provides a technical scheme: die assembly convenient to replace for die casting machine, including bottom plate 1, top plate 2 and die main body 3, a plurality of support bars 21 are fixed between bottom plate 1 and top plate 2, bottom plate 1 and top plate 2 still are equipped with movable plate 4, the inside of movable plate 4 is slidably connected with the outside of support bar 21, the inside screw thread connection of movable plate 4 has lead screw 5, the top surface of bottom plate 1 is fixed with axle support 6, the inside of axle support 6 is rotatably connected with rotating shaft 7, one end of rotating shaft 7 is fixed with handle 8, the other end of rotating shaft 7 is coaxially fixed with first bevel gear 9, the outside of first bevel gear 9 is connected with second bevel gear 10, the inside of second bevel gear 10 is coaxially fixed connection with the outside lower part of lead screw 5, the bottom surface of die main body 3 is fixed with a plurality of insertion rod 11, the outside of insertion rod 11 is equipped with clamping groove 16, the top surface of top plate 2 is equipped with a plurality of insertion slot 12, the inside of insertion slot 12 is fixed with first sleeve 13, the inside of first sleeve 13 is equipped with taper slot 14 and movable slot 15, first sleeve 13 inside still is equipped with second sleeve 17, the top surface of movable plate 4 is fixedly connected with the lower end of second sleeve 17, the upper end of second sleeve 17 is fixed with a plurality of elastic rod 18, the upper end of elastic rod 18 is equipped with wedge-shaped lug 19, the upper end of elastic rod 18 is equipped with clamping block 20, the outside of clamping block 20 is connected with the inside of clamping groove 16, die main body 3 is located at the top surface of top plate 2, the upper end of lead screw 5 is rotatably connected with the bottom surface of top plate 2, the lower end of lead screw 5 is rotatably connected with the top surface of bottom plate 1, the lower end of insertion rod 11 is insertedly connected with the inside of insertion slot 12, the diameter of insertion rod 11 is same with the inner diameter of insertion slot 12, the diameter of second sleeve 17 is same with the inner diameter of first sleeve 13, the outside of wedge-shaped lug 19 is slidably contacted with the inside of taper slot 14 and movable slot 15;

[0023] When installing die main body 3, insertion rod 11 on die main body 3 is inserted into insertion slot 12 on top plate 2, then, rotating handle 8, handle 8 drives first bevel gear 9 to rotate through rotating shaft 7, first bevel gear 9 rotates lead screw 5 through second bevel gear 10, lead screw 5 drives movable plate 4 to move downwards along support bar 21, in this process, movable plate 4 drives second sleeve 17 and elastic rod 18 to move downwards, wedge-shaped lug 19 on elastic rod 18 slides along taper slot 14 on first sleeve 13, so that the upper end of elastic rod 18 gradually converges to the middle, so as to make clamping block 20 on elastic rod 18 and clamping groove 16 on insertion rod 11 clamped and matched, with elastic rod 18 continuing to move downwards, wedge-shaped lug 19 on elastic rod 18 moves from taper slot 14 on first sleeve 13 into movable slot 15, at this time, pulling insertion rod 11 to move downwards, so as to exert pre-tightening force on insertion rod 11, solve the problem that insertion pin or clamping block only plays the role of insertion or clamping fixation, without exerting pre-tightening force, so that the die and the base are easy to produce gap, thereby affecting stability.

[0024] The specific use mode and role of the embodiment: when the mold body 3 is installed, the inserting rod 11 on the mold body 3 is inserted into the inserting slot 12 on the top plate 2, then the handle 8 is rotated, the handle 8 drives the first bevel gear 9 to rotate through the rotating shaft 7, the first bevel gear 9 drives the lead screw 5 to rotate through the second bevel gear 10, the lead screw 5 drives the movable plate 4 to move downwards along the supporting rod 21, in the process, the movable plate 4 drives the second sleeve 17 and the elastic rod 18 to move downwards, the wedge-shaped protrusion 19 on the elastic rod 18 slides along the conical groove 14 on the first sleeve 13, so that the upper end of the elastic rod 18 gradually moves towards the middle, so that the clamping block 20 on the elastic rod 18 is clamped and matched with the clamping slot 16 on the inserting rod 11, along with the continuous downward movement of the elastic rod 18, the wedge-shaped protrusion 19 on the elastic rod 18 moves from the conical groove 14 on the first sleeve 13 into the movable slot 15, at this time, the inserting rod 11 is pulled to move downwards, so that the pre-tightening force is applied to the inserting rod 11.

[0025] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.

Claims

1. A die assembly for a die casting machine, comprising a base plate (1), a top plate (2) and a die body (3), characterized in that: The bottom plate (1) and the top plate (2) are fixed with a plurality of support rods (21), and the bottom plate (1) and the top plate (2) are also provided with a movable plate (4), the inside of the movable plate (4) is in sliding connection with the outside of the support rod (21), the inside of the movable plate (4) is in threaded connection with a lead screw (5), the top surface of the bottom plate (1) is fixed with an axle support (6), the inside of the axle support (6) is rotatably connected with a rotating shaft (7), one end of the rotating shaft (7) is fixed with a handle (8), the other end of the rotating shaft (7) is coaxially fixed with a first bevel gear (9), the outside of the first bevel gear (9) is in meshing connection with a second bevel gear (10), the inside of the second bevel gear (10) is coaxially fixedly connected with the outside lower part of the lead screw (5), the bottom surface of the mold body (3) is fixed with a plurality of insertion rods (11), the outside of the insertion rod (11) is provided with a clamping groove (16), the top surface of the top plate (2) is provided with a plurality of insertion grooves (12), the inside of the insertion groove (12) is fixed with a first sleeve (13), the inside of the first sleeve (13) is provided with a tapered groove (14) and a movable groove (15), the first sleeve (13) is also provided with a second sleeve (17), the lower end of the second sleeve (17) is fixedly connected with the top surface of the movable plate (4), the upper end of the second sleeve (17) is fixed with a plurality of elastic rods (18), the upper end of the elastic rod (18) is provided with a wedge-shaped lug (19), the upper end of the elastic rod (18) is also provided with a clamping block (20), the outside of the clamping block (20) is in clamping engagement with the inside of the clamping groove (16).

2. The easily replaceable mold assembly for a die casting machine according to claim 1, characterized in that: The mold body (3) is located on the top surface of the top plate (2).

3. The easily replaceable mold assembly for a die casting machine according to claim 1, characterized in that: The upper end of the lead screw (5) is rotatably connected with the bottom surface of the top plate (2), and the lower end of the lead screw (5) is rotatably connected with the top surface of the bottom plate (1).

4. The easily replaceable mold assembly for a die casting machine according to claim 1, characterized in that: The lower end of the insertion rod (11) is in insertion engagement with the inside of the insertion groove (12).

5. The die casting machine with easily replaceable die assembly of claim 1 wherein: The diameter of the insertion rod (11) is the same as the inner diameter of the insertion groove (12).

6. The die casting machine with easily replaceable die assembly of claim 1 wherein: The diameter of the second sleeve (17) is the same as the inner diameter of the first sleeve (13).

7. The die casting machine with easily replaceable die assembly of claim 1 wherein: The outside of the wedge-shaped lug (19) is in sliding contact with the inside of the tapered groove (14) and the movable groove (15).

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