阅读说明：本技术 用于小收缩率材料的冷却模具装置 (Cooling die device for material with small shrinkage rate ) 是由 王吉刚 王玉鹏 刘顺钢 程远 王哲宇 王兴利 龚媛 于 2020-04-23 设计创作，主要内容包括：本发明公开了一种用于小收缩率材料的冷却模具装置,涉及模具技术领域,主要目的是使得冷却模具的出料操作简单方便,以降低劳动强度,提高生产效率。该冷却模具装置包括支架；多个模具,呈直线排列布置,每个模具包括两个相对的模具单体,模具单体可移动地设置于支架上；压紧机构,设置于所述支架上,压紧机构具有分别位于多个模具两侧的两个压紧端,压紧机构用于通过两个压紧端压紧多个模具,使每个模具的两个模具单体相互靠拢而形成成型腔,或放开多个模具,使每个模具的两个模具单体处于自由状态；多个挡板,每个挡板可拆卸地连接于每个模具的底部,用于封堵成型腔的出料口。本发明主要用于提高冷却模具的出料方便性。(The invention discloses a cooling die device for a material with small shrinkage rate, relates to the technical field of dies, and mainly aims to enable the discharging operation of the cooling die to be simple and convenient so as to reduce labor intensity and improve production efficiency. The cooling mold device includes a holder; the mould comprises a plurality of moulds, a plurality of clamping devices and a plurality of clamping devices, wherein the moulds are arranged in a linear arrangement, each mould comprises two opposite mould units, and the mould units are movably arranged on a bracket; the pressing mechanism is arranged on the support and provided with two pressing ends which are respectively positioned at two sides of the plurality of dies, and the pressing mechanism is used for pressing the plurality of dies through the two pressing ends so that the two die single bodies of each die are mutually closed to form a forming cavity or releasing the plurality of dies so that the two die single bodies of each die are in a free state; and each baffle is detachably connected to the bottom of each mould and used for plugging the discharge hole of the forming cavity. The invention is mainly used for improving the discharging convenience of the cooling die.)

1. A cooling die apparatus for a low shrinkage material, comprising:

a support;

the plurality of moulds are arranged in a linear arrangement, each mould comprises two opposite mould single bodies, and the mould single bodies are movably arranged on the bracket;

the pressing mechanism is arranged on the support and provided with two pressing ends which are respectively positioned at two sides of the plurality of dies, and the pressing mechanism is used for pressing the plurality of dies through the two pressing ends so that two die units of each die are mutually close to form a forming cavity or releasing the plurality of dies so that the two die units of each die are in a free state;

and each baffle is detachably connected to the bottom of each mold and used for plugging the discharge hole of the forming cavity.

2. The cooling mold apparatus according to claim 1,

the bottom of one end of any single die body of the die is provided with a mounting seat, the other end of the single die body of the die is provided with a locking piece, and the mounting seat is provided with an insertion groove matched with the end part of the baffle;

one end of the baffle is inserted in the insertion groove, and the other end of the baffle is connected with the die monomer in a locking manner through a locking piece.

3. The cooling mold apparatus according to claim 2,

the insertion groove is provided with a first inner wall surface positioned above the insertion groove, and the first inner wall surface is flush with the bottom surface of the die single body;

the insertion groove is provided with a second inner wall surface positioned at the lower part, and the second inner wall surface is an inclined surface inclined upwards;

the bottom surface of the baffle end is an inclined surface matched with the second inner wall surface.

4. The cooling mold apparatus according to claim 1,

the pressing mechanism comprises a pressing part, the pressing part comprises a lead screw which is rotatably arranged on the bracket through a nut, one end of the lead screw is connected with a thrust bearing seat, and the other end of the lead screw is connected with a hand wheel;

the number of the pressing parts is at least two, the pressing parts are symmetrically arranged on two sides of the plurality of dies, and the thrust bearing seats of the pressing parts form the pressing ends;

the external thread of the lead screw and the internal thread of the nut are both trapezoidal threads.

5. The cooling mold of claim 1,

the die single body comprises a water-cooling groove body, and a water inlet and a water outlet are respectively formed in two ends of the water-cooling groove body;

a plurality of water baffles which are arranged at intervals along the direction from the water inlet to the water outlet are arranged between the opposite inner walls of the water-cooling tank body, and a gap is formed between one end of each water baffle and the inner wall of the water-cooling tank body;

and gaps between every two adjacent water baffles and the inner wall of the water cooling tank body are arranged in a staggered manner.

6. The cooling mold of claim 5,

the die single body also comprises a template which is buckled and connected with an inlet of the water-cooling groove body;

the top of a template of any one of the single mould bodies of the mould is connected with a first cushion block, so that a gap is formed between the templates of the two single mould bodies, and the gap forms the forming cavity;

the width of the first cushion block is sequentially increased from the top to the bottom of the forming cavity, so that the width of the forming cavity is sequentially increased from the top to the bottom of the forming cavity;

the template is a copper plate.

7. The cooling mold of claim 6,

and a second cushion block used for plugging the discharge hole is arranged at the bottom of the forming cavity.

A sealing ring is arranged between the water-cooling tank body and the template;

and a third cushion block is arranged between every two adjacent moulds.

8. The cooling die of claim 1, further comprising:

and the material receiving box is arranged at the bottom of the support in a drawing manner and corresponds to the discharge port of each mould.

9. The cooling mold of claim 8,

the bottom of the bracket is rotatably provided with a plurality of rolling shafts which are sequentially arranged along the drawing direction of the material collecting box;

the material collecting box is arranged on the plurality of rolling shafts and is in rolling connection with the plurality of rolling shafts.

10. The cooling mold of claim 1,

the die single body is arranged on the bracket through a roller;

the bracket comprises a cross beam;

the outer wall of the roller is provided with a rolling groove surrounding the periphery of the roller for a circle, and the roller can be clamped on the cross beam in a rolling manner through the rolling groove.

Technical Field

The invention relates to the technical field of dies, in particular to a die cooling device for a material with small shrinkage rate.

Background

At present, when a vacuum melting furnace is used for producing materials needing rapid cooling and rapid hardening, the adopted cooling molds are generally of two types, one type is a rotatable water-cooling disc type, the other type is a fixed water-cooling mold type, the two types of cooling molds need manual discharging, the operation flow is complex, the labor intensity is high, and the production efficiency is low.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a cooling mold device for a material with a small shrinkage rate, and mainly aims to make the discharging operation of the cooling mold simple and convenient, so as to reduce labor intensity and improve production efficiency.

In order to achieve the above purpose, the embodiments of the present invention mainly provide the following technical solutions:

the embodiment of the invention provides a cooling die device for a material with small shrinkage rate, which comprises:

a support;

the plurality of moulds are arranged in a linear arrangement, each mould comprises two opposite mould single bodies, and the mould single bodies are movably arranged on the bracket;

the pressing mechanism is arranged on the support and provided with two pressing ends which are respectively positioned at two sides of the plurality of dies, and the pressing mechanism is used for pressing the plurality of dies through the two pressing ends so that two die units of each die are mutually close to form a forming cavity or releasing the plurality of dies so that the two die units of each die are in a free state;

and each baffle is detachably connected to the bottom of each mold and used for plugging the discharge hole of the forming cavity.

Furthermore, the bottom of one end of any single die body of the die is provided with a mounting seat, the other end of the die body is provided with a locking piece, and the mounting seat is provided with an insertion groove matched with the end part of the baffle;

one end of the baffle is inserted in the insertion groove, and the other end of the baffle is connected with the die monomer in a locking manner through a locking piece.

Furthermore, the insertion groove is provided with a first inner wall surface positioned above, and the first inner wall surface is flush with the bottom surface of the die single body;

the insertion groove is provided with a second inner wall surface positioned at the lower part, and the second inner wall surface is an inclined surface inclined upwards;

the bottom surface of the baffle end is an inclined surface matched with the second inner wall surface.

Furthermore, the pressing mechanism comprises a pressing part, the pressing part comprises a lead screw which is rotatably arranged on the bracket through a nut, one end of the lead screw is connected with a thrust bearing seat, and the other end of the lead screw is connected with a hand wheel;

the number of the pressing parts is at least two, the pressing parts are symmetrically arranged on two sides of the plurality of dies, and the thrust bearing seats of the pressing parts form the pressing ends;

the external thread of the lead screw and the internal thread of the nut are both trapezoidal threads.

Further, the die single body comprises a water-cooling groove body, and a water inlet and a water outlet are respectively formed in two ends of the water-cooling groove body;

a plurality of water baffles which are arranged at intervals along the direction from the water inlet to the water outlet are arranged between the opposite inner walls of the water-cooling tank body, and a gap is formed between one end of each water baffle and the inner wall of the water-cooling tank body;

and gaps between every two adjacent water baffles and the inner wall of the water cooling tank body are arranged in a staggered manner.

Further, the die single body also comprises a template, and the template is buckled and connected with an inlet of the water-cooling groove body;

the top of a template of any one of the single mould bodies of the mould is connected with a first cushion block, so that a gap is formed between the templates of the two single mould bodies, and the gap forms the forming cavity;

the width of the first cushion block is sequentially increased from the top to the bottom of the forming cavity, so that the width of the forming cavity is sequentially increased from the top to the bottom of the forming cavity;

the template is a copper plate.

Further, the bottom of the forming cavity is provided with a second cushion block used for blocking the discharge hole.

A sealing ring is arranged between the water-cooling tank body and the template;

and a third cushion block is arranged between every two adjacent moulds.

Further, the cooling mold further includes:

and the material receiving box is arranged at the bottom of the support in a drawing manner and corresponds to the discharge port of each mould.

Furthermore, a plurality of rolling shafts which are sequentially arranged along the drawing direction of the material collecting box are rotatably arranged at the bottom of the support;

the material collecting box is arranged on the plurality of rolling shafts and is in rolling connection with the plurality of rolling shafts.

Further, the die single body is arranged on the bracket through a roller;

the bracket comprises a cross beam;

the outer wall of the roller is provided with a rolling groove surrounding the periphery of the roller for a circle, and the roller can be clamped on the cross beam in a rolling manner through the rolling groove.

By means of the technical scheme, the invention at least has the following beneficial effects:

according to the cooling die device for the material with the small shrinkage rate, provided by the embodiment of the invention, the die monomers of each die are movably arranged on the support, the bottom of each die is provided with the detachably connected baffle, and the pressing mechanism is also arranged, so that the pressing mechanism can press a plurality of dies through two pressing ends of the pressing mechanism before pouring, the two die monomers of each die are mutually closed to form a forming cavity, then the baffles are correspondingly connected to the bottoms of the dies one by one to block the forming cavity, and pouring forming can be carried out; when the ejection of compact, can pull down each baffle earlier, open two hold-down ends of hold-down mechanism again for each mould monomer is in free state, separate the mould monomer of each mould again, make between alloy spindle and the mould abundant separation, the alloy spindle can drop naturally under the condition of no human intervention, whole process only needs an operating personnel can operate the completion in short time, the operation flow is simple, intensity of labour and cost have been reduced, production efficiency has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a cooling mold device for a material with a small shrinkage rate according to an embodiment of the present invention;

FIG. 2 is a schematic view of the baffle plate of FIG. 1 in connection with a mold;

FIG. 3 is a schematic structural view of the mold of FIG. 1;

fig. 4 is a schematic structural view of the water-cooling tank body in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.

As shown in fig. 1, an embodiment of the present invention provides a cooling mold device for a material with a small shrinkage rate, which includes a bracket 1; the plurality of moulds 2 are arranged in a linear manner, each mould 2 comprises two opposite mould single bodies 21, and the mould single bodies 21 are movably arranged on the support 1, wherein each mould 2 is arranged in a linear manner, so that the structure of the whole mould 2 device is simpler and more compact, pouring of materials is facilitated, and the operation is convenient; the pressing mechanism is arranged on the support 1 and provided with two pressing ends which are respectively positioned at two sides of the plurality of dies 2, and the pressing mechanism is used for pressing the plurality of dies 2 through the two pressing ends so that the two die single bodies 21 of each die 2 are mutually closed to form a forming cavity 24 or releasing the plurality of dies 2 so that the two die single bodies 21 of each die 2 are in a free state; a plurality of baffles 3, each baffle 3 being detachably connected to the bottom of each mould 2 for closing off the outlet of the forming cavity 24.

According to the cooling mold 2 device for the material with the small shrinkage rate, provided by the embodiment of the invention, the mold units 21 of each mold 2 are movably arranged on the support 1, the detachably connected baffle 3 is arranged at the bottom of each mold 2, and the pressing mechanism is further arranged, so that the pressing mechanism can press the plurality of molds 2 through two pressing ends of the pressing mechanism before pouring, the two mold units 21 of each mold 2 are mutually close to form the molding cavity 24, and then the baffles 3 are correspondingly connected to the bottom of each mold 2 to seal the molding cavity 24 one by one, so that the casting molding can be carried out; when the ejection of compact, can pull down each baffle 3 earlier, two of hold-down mechanism compress tightly the end and relieve again, make each mould monomer 21 be in free state, separate the mould monomer 21 of each mould 2 again, make fully separate between alloy spindle and the mould 2, make the alloy spindle can drop naturally under the condition of no human intervention, the ejection of compact is convenient, whole process only needs an operating personnel can operate the completion in short time, the operation flow is simple, labor intensity and cost are reduced, and the production efficiency is improved.

In order to facilitate the installation and the detachment of the baffle 3, in an alternative embodiment, referring to fig. 2, the bottom of one end of any one of the mold units 21 of each mold 2 is provided with an installation seat 22, the other end is provided with a locking piece 23, and the installation seat 22 is provided with an insertion groove 221 adapted to the end of the baffle 3; one end of the baffle 3 is inserted into the insertion groove 221, and the other end is connected with the die unit 21 in a locking manner through the locking piece 23.

According to the above embodiment, before pouring, hold-down mechanism compresses tightly the back with all moulds 2, can peg graft the one end of each baffle 3 in corresponding inserting groove 221, the other end passes through closure 23 locking on corresponding mould 2, can accomplish the equipment of baffle 3, when the ejection of compact, after releasing hold-down mechanism, can with closure 23 unblock, take out each baffle 3 from inserting groove 221 again, can accomplish the dismantlement of baffle 3, and easy operation is convenient, further improves production efficiency. The locking member 23 may have various structural forms as long as the locking connection or the unlocking separation between the baffle 3 and the mold 2 can be achieved, for example, the locking member 23 may be a quick release clamp or the like.

In an alternative embodiment, referring to fig. 2, the insertion groove 221 has a first inner wall surface 221a located above, and the first inner wall surface 221a may be flush with the bottom surface of the mold unit 21; the insertion groove 221 has a second inner wall surface 221b located below, and the second inner wall surface 221b may be an inclined surface that is inclined upward; and the bottom surface of the end portion of the baffle 3 may be an inclined surface adapted to the second inner wall surface 221 b.

In the above embodiment, by arranging the first inner wall surface 221a of the insertion groove 221 to be flush with the bottom surface of the mold unit 21 and arranging the second inner wall surface 221b and the bottom surface of the end portion of the baffle 3 to be the matched inclined surfaces, it can be realized that the baffle 3 can gradually move upward under the force of the second inner wall surface 221b in the process of inserting the baffle 3 into the insertion groove 221 until the baffle 3 is sufficiently tightly attached to the bottom surface of the mold 2 to stop moving. That is to say, such structural design can be so that baffle 3 can closely laminate with 2 bottom surfaces of mould to make baffle 3 shutoff discharge gate better, the metal liquid leaks outward when having prevented to pour.

Wherein, hold-down mechanism's structural style can have the multiple, as long as can realize compressing tightly or releasing all moulds 2 can, for example, hold-down mechanism can adopt rack and pinion drive mechanism, and two hold-down ends can be connected with two racks respectively, and two racks can all be connected with gear engagement to rotate through drive gear, can make the gear drive two hold-down ends and carry out relative motion along with two racks.

In order to ensure the reliability of the use and the simplicity of the structure of the pressing mechanism, in an alternative embodiment, referring to fig. 1, the pressing mechanism may include a pressing portion 4, the pressing portion 4 may include a lead screw 42 rotatably disposed on the bracket 1 through a nut 41, one end of the lead screw 42 is connected with a thrust bearing seat 43, a thrust bearing may be disposed in the thrust bearing seat 43, and the other end of the lead screw 42 is connected with a hand wheel 44; the number of the pressing parts 4 is at least two, and the pressing parts are symmetrically arranged on two sides of the plurality of dies 2, and the thrust bearing seats 43 of the pressing parts 4 form pressing ends. Due to the structural arrangement, before pouring, the two hand wheels 44 can be rotated to drive the screw rod 42 to rotate in the nut 41, so that the thrust bearing seat 43 is driven to move towards the die 2, and the die single bodies 21 of the dies 2 move on the support 1 and approach each other to form the forming cavity 24; during discharging, after each baffle 3 is detached, the two hand wheels 44 can be rotated reversely to drive the screw rod 42 to rotate reversely in the nut 41, so as to drive the thrust bearing seat 43 to move in the direction away from the die 2, so that each die unit 21 is in a free state, and then the die units 21 of each die 2 are separated, so that the alloy spindle and the die 2 can be sufficiently separated.

The external threads of the screw rod 42 and the internal threads of the nut 41 can be trapezoidal threads, so that a self-locking function is achieved between the screw rod 42 and the nut 41, the phenomenon that each die unit 21 is loosened in the pouring process is avoided, and smooth pouring procedures are guaranteed.

In an alternative embodiment, referring to fig. 3 and 4, the mold unit 21 may include a water-cooling tank 211, and both ends of the water-cooling tank 211 are respectively provided with a water inlet 211a and a water outlet 211 b; a plurality of water baffles 212 arranged at intervals along the direction from the water inlet 211a to the water outlet 211b can be arranged between the opposite inner walls of the water-cooling tank body 211, and a gap 213 is formed between one end of each water baffle 212 and the inner wall of the water-cooling tank body 211; every two adjacent water baffles 212 are staggered with the gap 213 between the inner walls of the water cooling tank body 211.

In the above embodiment, the cooling water entering from the water inlet 211a can flow to the next water baffle 212 through the corresponding gap 213 after passing through one water baffle 212, so that the cooling water can flow in the S-shaped path in the water-cooling tank body 211, thereby effectively avoiding the air inclusion phenomenon in the cooling water and improving the cooling effect of the mold 2. Wherein, the water inlet 211a can be located the lower part of the water-cooling tank body 211, and the water outlet 211b can be the upper portion with the water-cooling tank body 211 for the cooling water can flow from bottom to top, so as to guarantee that the cooling water in the water-cooling tank body 211 is always in the full state, further improved the cooling effect of the mould 2.

In an alternative embodiment, referring to fig. 3, the mold unit 21 further includes a mold plate 214, and the mold plate 214 is snap-fit connected to the inlet of the water-cooling tank 211; the top of the mold plate 214 of any one of the mold units 21 of the mold 2 is connected with a first cushion block 215, so that a gap is formed between the mold plates 214 of the two mold units 21, and the gap forms a molding cavity 24; the width of the first shoe 215 may increase from the top to the bottom of the mold cavity 24, such that the width of the mold cavity 24 increases from the top to the bottom of the mold cavity 24. Due to the structural arrangement, the friction force between the alloy spindle and the template 214 can be reduced, so that the alloy spindle can smoothly fall out under the action of gravity, and the discharging is facilitated. Wherein, template 214 can be the copper board to improve template 214's heat conductivility, thereby reduce the cooling time of material, make the organizational structure of material distribute evenly, improved material properties and cooling effect, moreover, adopt the copper board as template 214, be difficult for the corrosion, the oxide can be difficult for adhering to the surface at alloy material, thereby has guaranteed the purity of material.

In an alternative embodiment, see fig. 3, the bottom of the forming chamber 24 is provided with a second head block 216 for closing off the discharge opening. In the casting process, the molten alloy metal liquid can fall into the forming cavity 24 of the mold 2 through the funnel 20, the second cushion block 216 is placed at the bottom of the forming cavity 24, the impact of the molten alloy metal liquid on the baffle 3 in the initial stage of the mold 2 can be effectively blocked, and the service life of the baffle 3 is prolonged. Of course, the second block 216 may fall out together with the alloy ingot during blanking.

In an alternative embodiment, referring to fig. 3, a sealing ring 217 is disposed between the water-cooling tank body 211 and the mold plate 214 to seal the cooling water. The sealing ring 217 can be made of high-temperature-resistant rubber materials, so that the service life of the sealing ring 217 and the maintenance period of the mold 2 are prolonged, and the maintenance cost and the labor intensity of operators are reduced.

In an alternative embodiment, referring to fig. 1, a third spacer 218 may be disposed between two adjacent molds 2. The molds 2 are spaced by the third cushion block 218, so that a certain distance is ensured between the molds 2, the maintenance space is increased, and the maintenance of the molds 2 is facilitated.

To facilitate the material collection, in an alternative embodiment, the cooling mold 2 may further include a material collecting box 5, and the material collecting box 5 is drawably disposed at the bottom of the support 1 and corresponds to the material outlet of each mold 2. When discharging, the alloy spindle falling naturally under the action of gravity can directly fall into the material receiving box 5, so that the materials can be conveniently received. Specifically, the collecting box 5 may be at least two arranged side by side.

In an alternative embodiment, a plurality of rollers 6 arranged in sequence along the drawing direction of the material receiving box 5 can be rotatably arranged at the bottom of the bracket 1; the material receiving box 5 is arranged on the plurality of rollers 6 and is in rolling connection with the plurality of rollers 6. After all the alloy spindles fall into the material receiving box 5, an operator can pull the material receiving box 5 out of the support 1, and the operation is convenient. And after the spindles are collected, empty collecting boxes 5 can be fed into the support 1 through the rolling shafts 6. Specifically, the material receiving box 5 may be provided with a handle.

In an alternative embodiment, the mold unit 21 may be disposed on the bracket 1 by a roller 219; and the support 1 may comprise a cross beam; the outer wall of the roller 219 is provided with a rolling groove surrounding the periphery thereof by one circle, and the roller 219 is engaged with the beam in a rolling manner through the rolling groove, so that each mold 2 stably moves on the support 1.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.