Sand mold casting equipment for casting

By designing a sand mold defeating mold equipment for casting, and adopting a mechanized top defeating mold and side defeating mold structure, the safety hazards of manual defeating molds have been solved, and safe and efficient casting production has been achieved.

CN224101819UActive Publication Date: 2026-04-10FUZHOU LIUHE MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUZHOU LIUHE MACHINERY CO LTD
Filing Date
2025-03-31
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing technologies, manual mold-making operations near the casting machine pose significant safety hazards and high risks.

Method used

Design a sand mold breaking device for casting, including a top breaking mold structure and a side breaking mold structure, to mechanically destroy the pouring gate and side identification port of the sand mold, avoiding manual operation.

Benefits of technology

This has enabled safe and professional casting production, reduced the risks of manual operation, and improved production efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224101819U_ABST
    Figure CN224101819U_ABST
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Abstract

The utility model provides sand mold beating equipment for casting, which comprises an equipment rack erected on a sand mold conveying line, a beating mold mechanism is slidably connected in the equipment rack along the conveying direction of the sand mold conveying line, and the beating mold mechanism comprises a top beating mold structure and a side beating mold structure, the top corruption mold structure is slidably connected to the inner top of the equipment rack, and the side corruption mold structures are slidably connected to the inner side wall of the equipment rack. The marking and filling device is reasonable in design, marking and filling of a defective mold are carried out through the device, the problems that in the prior art, due to the fact that a manual defective mold is close to a casting machine, dangerousness is large, and potential safety hazards are large are solved, and professional and safe casting production is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sand mould equipment of defeat of casting. BACKGROUND

[0002] Metal casting is the process of melting metal into liquid that meets certain requirements and pouring into a casting mold, and after cooling, solidification, cleaning treatment, a casting with predetermined shape, size and performance is obtained. The casting blank is almost shaped, so as to achieve the purpose of free or small amount of machining, reduce the cost and time to a certain extent. Casting is one of the basic processes in modern mechanical manufacturing industry. At present, the widely used casting form is sand mold casting, that is, a casting mold for metal liquid pouring is formed by sand adhesion. In large-scale metal casting, a sand mold forming machine is generally used to form the sand mold of the same part first, and then the manufactured sand mold of the part is sequentially conveyed to the pouring machine through a conveying belt for pouring until the number of the sand mold of the part reaches the standard. Then, the formed part of the sand mold forming machine is replaced to form the sand mold of another part. During the replacement of the sand molds of the two parts, a transition sand mold that does not need to be poured is used to connect the sand molds of the two parts. This transition sand mold is called defeat mold. Generally, in order to facilitate the recognition of the pouring machine, the pouring port on the defeat mold is manually damaged and filled, and the side recognition port of the defeat mold is also damaged, so that the pouring machine does not pour the defeat mold. However, since the sand mold conveying line is close to the pouring machine, the environment is relatively harsh, and manual operation is dangerous. SUMMARY

[0003] Therefore, the utility model aims at overcoming the defects of the prior art and providing a sand mold defeat mold equipment for casting. The defeat mold is marked and filled by the equipment, which solves the problem of manual defeat mold marking and filling, which is dangerous and has great safety hazards due to the proximity to the pouring machine, and facilitates professional and safe casting production.

[0004] The utility model adopts the following scheme: a sand mold defeat mold equipment for casting: including setting in the equipment rack that erects on the sand mold conveying line, along sand mold conveying line transmission direction sliding joint has in the equipment rack defeat mold mechanism, the defeat mold mechanism includes top defeat mold structure, side defeat mold structure, top defeat mold structure sliding joint in the equipment rack top, side defeat mold structure sliding joint in the equipment rack side wall.

[0005] Further, the top defeat mold structure includes a top sliding frame slidingly connected to the equipment rack along the conveying direction of the sand mold conveying line. A fixed frame is slidingly connected to the top sliding frame along a direction perpendicular to the conveying direction of the sand mold conveying line. A pressure plate assembly and a top shovel assembly are installed on the fixed frame along the conveying direction of the sand mold conveying line.

[0006] Further, the top ejector assembly comprises a top ejector cylinder arranged obliquely, and a top forked ejector is arranged on the movable end of the top ejector cylinder.

[0007] Further, the pressing plate assembly comprises a pressing plate cylinder arranged vertically, and a pressing plate is arranged on the movable end of the pressing plate cylinder.

[0008] Further, the side ejector structure comprises a side fixed frame, the side fixed frame is slidably connected in the equipment rack along the conveying direction of the sand mold conveying line, and a horizontal cylinder with a movable end directed to the side wall of the sand mold on the sand mold conveying line is arranged on the side fixed frame; and a side forked ejector is arranged on the movable end of the horizontal cylinder.

[0009] Further, the top of the side fixed frame is fixedly connected with the side wall of the top sliding frame, so that the side fixed frame and the top sliding frame form a jointly moving L-shaped sliding frame.

[0010] Further, the equipment rack comprises side supports arranged symmetrically on the left and right sides of the sand mold conveying line, and a top support is arranged horizontally between the top of the two side supports; and slide rail assemblies are arranged on the top support and the side supports correspondingly to the fixed frame and the side fixed frame.

[0011] Further, a lead screw mechanism for driving the L-shaped sliding frame to slide is arranged on the top support, the lead screw mechanism comprises a sliding lead screw arranged on the top support, a lead screw nut arranged on the sliding lead screw and sliding with the rotation of the sliding lead screw, and the lead screw nut is fixed on the L-shaped sliding frame.

[0012] Further, a rodless sliding cylinder is arranged below the top sliding frame, the sliding direction of the sliding block on the rodless sliding cylinder is perpendicular to the conveying direction of the sand mold conveying line, and the fixed frame is fixed below the sliding block of the rodless sliding cylinder.

[0013] Further, an auxiliary sliding rod is arranged in parallel beside the rodless sliding cylinder below the top sliding frame, and an auxiliary sliding seat is arranged on the fixed frame and slidably connected with the auxiliary sliding rod.

[0014] Compared with the prior art, the device has the following beneficial effects: the device is reasonable in design, the marking and filling of the broken mold are carried out by the device, the problem that the existing manual broken mold is close to the pouring machine, which is dangerous and has a large safety hazard is solved, and the professional and safe casting production is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an embodiment structure schematic view of the utility model;

[0016] Figure 2 It is Figure 1 It is an A-A sectional structure schematic view.

[0017] Figure 3 For Figure 1 Amplification structure schematic diagram at B in the middle.

[0018] In the figure: 1-equipment rack; 2-defeated die mechanism; 3-top defeated die structure; 4-side defeated die structure; 5-defeated die; 6-pouring gate; 7-side identification gate; 8-top carriage; 9-fixing frame; 10-pressing plate assembly; 11-top shovel assembly; 12-top shovel cylinder; 13-inclined support; 14-top fork shovel; 15-pressing plate cylinder; 16-pressing plate; 17-side fixing frame; 18-horizontal cylinder; 19-side fork shovel; 20-L-shaped sliding carriage; 21-side support; 22-top support; 23-sliding rail assembly; 24-screw rod mechanism; 25-sliding screw rod; 26-rotating seat; 27-driving motor; 28-screw rod nut; 29-rodless sliding cylinder; 30-sliding block; 31-assistant sliding rod; 32-sand die conveying line; 33-assistant sliding seat; 34-pouring machine. DETAILED DESCRIPTION

[0019] The utility model will be further explained in connection with the drawings and examples.

[0020] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0021] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0022] As Figures 1-3 As shown in a sand die defeated die equipment for casting: including setting up on the sand die conveying line 32 on the equipment rack 1, the defeated die mechanism 2 is slid in the equipment rack along the sand die conveying line conveying direction, the defeated die mechanism includes top defeated die structure 3, side defeated die structure 4, the top defeated die structure is slid in the equipment rack top, the side defeated die structure is slid on the side wall in the equipment rack, when using, the pouring gate 6 of the top defeated die structure is broken and filled and pressed defeated die 5 top, the side defeated die structure is destroyed defeated die side identification gate 7, so that the sensor on the sand die conveying line can not stop when conveying defeated die under the pouring machine 34, and the pouring machine does not pour defeated die.

[0023] In the embodiment, in order to realize the filling and pressing of the pouring hole, the top knockout structure comprises a top sliding frame 8 which is slidably connected in the equipment rack along the conveying direction of the sand mold conveying line, a fixed frame 9 is slidably connected below the top sliding frame along the direction perpendicular to the conveying direction of the sand mold conveying line, and a pressing plate assembly 10 and a top shovel assembly 11 are installed at intervals along the conveying direction of the sand mold conveying line below the fixed frame. In use, when the sand mold conveying line conveys the knockout to the equipment rack, the fixed frame is driven to slide to the front side of the pouring hole through the sliding of the top sliding frame, then the top shovel assembly is located in front of the pouring hole through the transverse sliding of the fixed frame, and then the top shovel assembly is inserted into the top of the knockout through the downward shoveling of the top shovel assembly. Then the top sliding frame is slid in the reverse conveying direction to drive the top shovel assembly to slide, so that the sand shoveled by the top shovel assembly is simultaneously pushed to the pouring hole, then the top shovel assembly is reset, and then the top sliding frame is slid to drive the pressing plate assembly to slide to the pouring hole, and the pressing plate of the pressing plate assembly is pressed downward to press the sand shoveled by the top shovel assembly into the pouring hole, thereby realizing the filling and pressing of the pouring hole.

[0024] In the embodiment, the specific structure of the top shovel assembly is that the top shovel assembly comprises an inclined top shovel cylinder 12, the movable end of the top shovel cylinder is inclined downward and faces the side of the sand mold conveying line inlet, an inclined support 13 can be installed below the fixed frame, and the top shovel cylinder is fixed on the inclined support. A top fork shovel 14 is installed at the movable end of the top shovel cylinder. In use, the top fork shovel is inserted downward through the pushing of the top shovel cylinder.

[0025] In the embodiment, the specific structure of the pressing plate assembly is that the pressing plate assembly comprises a vertical pressing plate cylinder 15, the movable end of the pressing plate cylinder faces downward, and a horizontally arranged pressing plate 16 is installed at the movable end of the pressing plate cylinder. The pressing plate is driven downward by the pressing plate cylinder, and finally the pouring hole is pressed flat.

[0026] In the embodiment, in order to realize the destruction of the side identification opening, the side knockout structure comprises a side fixed frame 17 which is slidably connected in the equipment rack along the conveying direction of the sand mold conveying line, a horizontal cylinder 18 whose movable end faces the side wall of the sand mold on the sand mold conveying line is installed on the side fixed frame, and a side fork shovel 19 is installed at the movable end of the horizontal cylinder. In use, when the sand mold conveying line conveys the knockout to the equipment rack, the side fork shovel is driven to slide to the front side of the side identification opening through the sliding of the side fixed frame, and then the side fork shovel is inserted into the side of the knockout and located in front of the side identification opening through the movement of the side fork shovel driven by the horizontal cylinder. Then the side fixed frame is slid in the reverse conveying direction to drive the side fork shovel to slide, so that the side fork shovel slides to the rear of the side identification opening, the sliding area of the side fork shovel covers the side identification opening, the destruction of the side identification opening is realized, and of course the side of the sand mold conveying line can be used to bear the recovery disc of the sand shoveled by the side fork shovel. Since it is prior art, it will not be described in detail.

[0027] In the embodiment, in order to make the side frame synchronous with the top slide, the top of the side frame is fixedly connected with the side wall of the top slide, so that the side frame and the top slide form a common L-shaped slide frame 20.

[0028] In the embodiment, in order to realize the sliding of the L-shaped slide frame, the specific structure is that the equipment rack comprises side supports 21 symmetrically arranged on the left and right sides of the sand mold conveying line, and a top support 22 is horizontally arranged between the tops of the two side supports; the top support and the side supports are respectively provided with slide rail assemblies 23 corresponding to the fixed frame and the side frame; the slide rail assemblies can be existing ladder-shaped slide rails; the fixed frame and the side frame are provided with ladder-shaped grooves matched with the ladder-shaped slide rails, so as to determine the sliding direction of the L-shaped slide frame.

[0029] In the embodiment, in order to drive the sliding of the L-shaped slide frame, a lead screw mechanism 24 for driving the sliding of the L-shaped slide frame is installed on the top support; the lead screw mechanism comprises a sliding lead screw 25, which is installed below the top support and can be provided with two rotating bases 26 corresponding to the sliding lead screw at both ends below the top support; the sliding lead screw is rotatably connected between the two rotating bases; the top support is provided with a driving motor 27 at one end of the sliding lead screw for driving the rotation of the sliding lead screw; the sliding lead screw is provided with a lead screw nut 28 which slides with the rotation of the sliding lead screw; the lead screw nut is fixed to the L-shaped slide frame; the driving motor drives the rotation of the sliding lead screw and in turn drives the forward and backward sliding of the lead screw nut, so as to realize the sliding of the L-shaped slide frame.

[0030] In the embodiment, in order to realize the left and right sliding of the fixed frame, a large existing rodless sliding air cylinder 29 is installed below the top slide; the sliding direction of the sliding block on the rodless sliding air cylinder is perpendicular to the conveying direction of the sand mold conveying line; the fixed frame is fixed below the sliding block 30 on the rodless sliding air cylinder; the left and right sliding of the fixed frame is driven by the rodless sliding air cylinder.

[0031] In the embodiment, in order to assist the sliding of the fixed frame, an auxiliary sliding rod 31 is installed in parallel beside the rodless sliding air cylinder below the top slide; an auxiliary sliding seat 33 is installed on the fixed frame and is slidably connected to the auxiliary sliding rod, so that the sliding of the fixed frame is more stable.

[0032] Unless otherwise stated, if the above-mentioned any technical scheme of the utility model discloses a numerical range, the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that the preferred numerical range is only one of the many implementable values with more obvious technical effects or representative values. Since there are too many values, it is impossible to enumerate them all, so the utility model only discloses part of the values to illustrate the technical scheme of the utility model, and the above-mentioned enumerated values should not constitute a limitation on the protection scope of the utility model.

[0033] If the words "first", "second" and the like are used herein to describe a component, those skilled in the art should know that the use of "first", "second" is only for the convenience of distinguishing the components and has no special meaning unless otherwise stated.

[0034] If the utility model discloses or involves the mutual fixed connection of components or structural members, then, except otherwise stated, the fixed connection can be understood as: detachably fixed connection (for example, bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by an integral structure (for example, integrally formed by using casting process) (except obviously cannot use integral forming process).

[0035] In addition, the orientation or position relationship indicated by the above-mentioned any technical solution of the utility model disclosed herein, such as "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the patent, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the patent, and the term used for indicating shape in the above-mentioned any technical solution of the utility model disclosed herein includes shapes similar, similar or close to the shape unless otherwise stated.

[0036] Any component provided by the utility model can be assembled from a plurality of individual components, or can be an individual component manufactured by integral forming process.

[0037] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the utility model, they should all be covered in the technical solution range of the utility model claimed by the utility model.

Claims

1. A sand mold knockout apparatus for casting, characterized by: The device frame is arranged on the sand mold conveying line, and a top knockout mechanism and a side knockout mechanism are slidably connected in the device frame along the conveying direction of the sand mold conveying line.

2. The sand mold knockout apparatus for casting sand molds according to claim 1, characterized by; The top knockout mechanism includes a top sliding frame slidably connected in the device frame along the conveying direction of the sand mold conveying line, and a fixed frame slidably connected in the device frame along a direction perpendicular to the conveying direction of the sand mold conveying line.

3. The sand mold knockout apparatus for casting sand molds according to claim 2, characterized by; The top shoveling assembly includes an inclined top shoveling cylinder, and a top fork shoveling device is arranged on the movable end of the top shoveling cylinder.

4. The sand mold knockout apparatus for casting sand molds according to claim 2, characterized by; The side knockout mechanism includes a side fixed frame slidably connected in the device frame along the conveying direction of the sand mold conveying line, and a horizontal cylinder with a movable end facing the side wall of the sand mold on the sand mold conveying line.

5. The sand mold knockout apparatus for casting sand molds according to claim 2, characterized by; The top of the side fixed frame is fixedly connected with the side wall of the top sliding frame, so that the side fixed frame and the top sliding frame form a jointly moving L-shaped sliding frame.

6. The sand mold knockout apparatus for casting sand molds according to claim 5, characterized by; The device frame includes two side supports symmetrically arranged on the left and right sides of the sand mold conveying line, and a top support horizontally arranged between the top portions of the two side supports.

7. The sand mold knockout apparatus for casting sand molds according to claim 6, characterized by; The top support is provided with a sliding rail assembly corresponding to the fixed frame and the side fixed frame on the side support.

8. The sand mold knockout apparatus for casting sand molds according to claim 7, characterized by; The top support is provided with a lead screw mechanism for driving the L-shaped sliding frame to slide, and the lead screw mechanism includes a sliding lead screw arranged below the top support.

9. A sand mould knock-out device for foundry use according to any one of claims 3 to 8, characterised in that; The top sliding frame is provided with a rodless sliding cylinder, and the sliding direction of the sliding block on the rodless sliding cylinder is perpendicular to the conveying direction of the sand mold conveying line.

10. The sand mold knockout apparatus for casting sand molds according to claim 9, characterized by; The top sliding frame is provided with an auxiliary sliding rod arranged in parallel on the side of the rodless sliding cylinder, and the fixed frame is provided with an auxiliary sliding seat slidably connected with the auxiliary sliding rod.