Wax-coated sand mechanism

Abstract

The utility model provides a mechanism for wrapping sand with wax. The mechanism comprises a conveying track arranged in the conveying direction of a wax mold, a plurality of sand floating machines and a plurality of slurry dipping pools, wherein the sand floating machines and the slurry dipping pools are sequentially arranged below the conveying track in the conveying direction of the wax mold at intervals in a staggered mode. The output end of each dust extraction mechanism is connected to an air extraction device through a parallel pipeline, a wax mold containing device is slidably connected to the conveying rail, a traveling crane is slidably connected to the conveying rail, the wax mold containing device is installed below the traveling crane in a lifting mode, the wax mold containing device comprises a fixing plate, the lower side of the fixing plate is rotationally connected with an overturning plate, and the overturning plate is fixedly connected with the conveying rail. A plate body, close to one end of the turnover plate, of the turnover plate is connected with the fixing plate through a hinge A. A driving mechanism used for driving the turnover plate to be opened and closed is installed on the fixing plate. The device is reasonable in design, labor is reduced, production efficiency is improved, and specialized production is facilitated.

Description

Technical Field

[0001] The utility model relates to a wax-wrapped sand mechanism. Background Art

[0002] At present, sand molds (casting molds) made by the dewaxing method are often used in precision casting products. The sand mold making process must be to pre-make a wax mold according to the shape and size of the product, and then apply a layer of slurry and a layer of molding sand to the surface of the wax mold. The slurry and sand sticking actions are repeated until a sand mold of a certain thickness is formed on the surface of the wax mold. The wax mold is then heated to melt and flow out, so as to form a sand mold shell that can be cast with molten metal. The existing slurry and mold sand are generally manually put into a slurry barrel or a floating sand machine for corresponding operations, and then manually transferred to the next repeated process, which has high labor intensity and low production efficiency. Summary of the invention

[0003] In view of this, the purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art and provide a wax-wrapped sand mechanism.

[0004] The present invention is implemented by the following scheme: a wax-wrapped sand mechanism: comprising a conveying track arranged along the wax model conveying direction, a plurality of floating sand machines and a plurality of slurry soaking pools arranged in sequence and at intervals along the wax model conveying direction under the conveying track, a dust extraction mechanism is installed on the rear side of the floating sand machine, and the output end of each dust extraction mechanism is connected to an exhaust device through a parallel pipeline, and a wax model placement device is slidably connected to the conveying track.

[0005] Furthermore, a crane is slidably connected to the conveying track, and a wax model placing device is installed and lifted under the crane. The wax model placing device includes a fixed plate, and a flip plate is rotatably connected to the lower side of the fixed plate. The plate body of the flip plate near one end is connected to the fixed plate by a hinge A, and a driving mechanism for driving the flip plate to open and close is installed on the fixed plate.

[0006] Furthermore, the driving mechanism includes a driving cylinder, which is rotatably connected to a fixed plate, and the movable end of the driving cylinder penetrates downwardly through the fixed plate to form an extended end, and the extended end is connected to an end of the flip plate close to the hinge A through a hinge B, and a through hole is provided on the fixed plate corresponding to the swinging range of the movable end of the driving cylinder.

[0007] Furthermore, horizontal plates are provided on the front and rear sides of the traveling vehicle, and vertical lifting cylinders are installed on the lower surface of the horizontal plates. The movable ends of the lifting cylinders are downward, and the movable ends of the two lifting cylinders are respectively fixedly connected to the two ends of the fixed plate.

[0008] Furthermore, the immersion tank comprises a frame A, on which a material tank is mounted, and the material tank is filled with slurry.

[0009] Furthermore, the floating sand machine includes a frame B, on which a floating sand pool is installed, the floating sand pool is filled with sand, a plurality of air inlet holes are arranged on the inner bottom of the floating sand pool, an air intake assembly is installed on the air inlet holes on the inner bottom of the floating sand pool, the air intake assembly includes a vertical air pipe, the upper end of the vertical air pipe is closed, and the lower end is connected to the air inlet holes, a plurality of exhaust pipes inclined downward are installed on the side of the vertical air pipe, and the exhaust pipes are connected to the vertical air pipe.

[0010] Furthermore, an air hood is installed at the bottom of the floating sand pool. The air hood is funnel-shaped, and the large opening of the air hood covers the bottom of the floating sand pool. The small opening of the air hood is connected to an external blower through a pipeline. Filter A is installed on the input end of the blower and in the air hood.

[0011] Furthermore, the dust extraction mechanism includes a dust extraction box, which is located above the side of the floating sand pool. The side of the dust extraction box close to the floating sand pool is a concave arc surface, and a plurality of air extraction holes are arranged in an array on the arc surface. A dust outlet with a switch valve is provided on the bottom of the dust extraction box, and an output port is provided on the top of the dust extraction box, and the output port is connected to the air extraction equipment through a pipeline.

[0012] Compared with the prior art, the present invention has the following beneficial effects: reasonable design, reduced manual labor, improved production efficiency, and convenient specialized production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a side view of the dust extraction mechanism of the utility model;

[0015] Figure 3 It is a schematic diagram of the driving structure of the utility model.

[0016] In the figure: 1- conveying track; 2- floating sand machine; 3- slurry soaking pool; 4- dust extraction mechanism; 5- exhaust equipment; 6- wax model placement equipment; 7- crane; 8- fixed plate; 9- flip plate; 10- hinge A; 11- driving cylinder; 12- hinge B; 13- horizontal plate; 14- lifting cylinder; 15- frame A; 16- slurry; 17- frame B; 18- floating sand pool; 19- sand material; 20- air inlet; 21- vertical air pipe; 22- exhaust pipe; 23- air guide hood; 24- blower; 25- filter A; 26- dust extraction box; 27- arc surface; 28- exhaust hole; 29- dust outlet; 30- output port. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0019] It should be noted that the terms used herein are only for 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 also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] like Figure 1-3 As shown, a wax-sand wrapping mechanism comprises a conveying track 1 arranged along the wax model conveying direction, a plurality of floating sand machines 2 and a plurality of immersion pools 3 are arranged in sequence and at intervals along the wax model conveying direction under the conveying track, a dust extraction mechanism 4 is installed on the rear side of the floating sand machine, and the output end of each dust extraction mechanism is connected to an exhaust device 5 through a parallel pipeline, and a wax model placing device 6 is slidably connected to the conveying track. When in use, a group of wax model placing equipment can be used for each adjacent group of floating sand machines and immersion pools, and only the wax models with different sand wrapping times need to be replaced manually, and the exhaust device can be an existing exhaust machine.

[0021] In this embodiment, an existing crane 7 is slidably connected to the conveying track, and the crane is set corresponding to the number of wax model placing devices. The wax model placing devices are installed and lifted under the crane. The wax model placing devices include a fixed plate 8, and a flip plate 9 is rotatably connected to the lower side of the fixed plate. The plate body of the flip plate near one end is connected to the fixed plate by a hinge A10. A driving mechanism for driving the flip plate to open and close is installed on the fixed plate, and the wax model is lowered by lifting and lowering the wax model placing device. The wax model placing device corresponds to the required wax model setting. This embodiment corresponds to the cylindrical wax model setting, and the cylindrical wax model setting is inserted through the flip plate.

[0022] In this embodiment, the driving mechanism includes a driving cylinder 11, which is rotatably connected to a fixed plate. The movable end of the driving cylinder penetrates downward through the fixed plate to form an extended end. The extended end is connected to an end of the flip plate near the hinge A via a hinge B12. A through hole is provided on the fixed plate corresponding to the swinging range of the movable end of the driving cylinder. After the wax model is lowered, the flip plate needs to be opened to facilitate the wax model to be fully immersed or wrapped with sand, and to facilitate the taking and placing of the wax model.

[0023] In this embodiment, in order to realize the lifting and lowering of the wax model placing equipment, a horizontal plate 13 is arranged on the front and rear sides of the crane, and a vertical lifting cylinder 14 is installed on the lower surface of the horizontal plate. The movable end of the lifting cylinder is downward, and the movable ends of the two lifting cylinders are respectively fixed to the two ends of the fixed plate.

[0024] In this embodiment, for the sake of reasonable design, the slurry soaking pool includes a frame A15, on which a material pool is installed, and the material pool is filled with slurry 16.

[0025] In this embodiment, for the sake of reasonable design, the floating sand machine includes a frame B17, a floating sand pool 18 is installed on the frame B, the floating sand pool is filled with sand 19, a plurality of air inlet holes 20 are arranged on the inner bottom of the floating sand pool, an air intake assembly is installed on the air inlet holes on the inner bottom of the floating sand pool, the air intake assembly includes a vertical air pipe 21, the upper end of the vertical air pipe is closed, and the lower end is connected with the air inlet hole, a plurality of exhaust pipes 22 inclined downward are installed on the side of the vertical air pipe, and the exhaust pipe is connected with the vertical air pipe, an air guide cover 23 is installed at the bottom of the floating sand pool, the air guide cover is funnel-shaped, the large mouth of the air guide cover covers the bottom of the floating sand pool, and the small mouth of the air guide cover is connected to the external blower 24 through a pipeline, and a filter A25 is installed on the input end of the blower and in the air guide cover, and a large amount of air is sent into the floating sand pool through the blower to realize the floating of the sand.

[0026] In this embodiment, in order to avoid excessive dust in the factory environment due to floating sand, the dust extraction mechanism includes a dust extraction box 26, which is located above the side of the floating sand pool. The side of the dust extraction box close to the floating sand pool is a concave arc surface 27, and a plurality of exhaust holes 28 are arranged in an array on the arc surface. A dust outlet 29 with a switch valve is provided on the bottom of the dust extraction box, and an output port 30 is provided on the top of the dust extraction box. The output port is connected to the exhaust equipment through a pipeline, and a filter B is installed in the output port.

[0027] Unless otherwise stated, any technical solution disclosed in the above utility model, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many feasible numerical values. Since there are too many numerical values ​​to be exhaustive, the utility model discloses only some numerical values ​​to illustrate the technical solution of the utility model, and the numerical values ​​listed above should not constitute a limitation on the scope of protection of the utility model.

[0028] If the words "first", "second" and so on are used in this article to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of description to distinguish the components. Unless otherwise stated, the above words have no special meaning.

[0029] If the present invention discloses or involves components or structures that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connection using bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).

[0030] In addition, the orientations or positional relationships indicated by terms such as "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", and "outside" used in any of the technical solutions disclosed in the above-mentioned utility model are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent, and do not indicate or imply 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 this patent. Unless otherwise stated, the terms used to indicate shapes used in any of the technical solutions disclosed in the above-mentioned utility model include shapes that are approximate, similar or close to them.

[0031] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated molding process.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods 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 solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A wax-wrapped sand mechanism, characterized in that: It includes a conveying track arranged along the wax model conveying direction, a plurality of floating sand machines and a plurality of slurry immersion pools are arranged in sequence and staggered along the wax model conveying direction under the conveying track, a dust extraction mechanism is installed on the rear side of the floating sand machine, and the output end of each dust extraction mechanism is connected to an exhaust device through a parallel pipeline, and a wax model placement device is slidably connected to the conveying track.

2. The wax-wrapped sand mechanism according to claim 1, characterized in that; A crane is slidably connected on the conveying track, and a wax model placing device is installed under the crane for lifting and lowering. The wax model placing device includes a fixed plate, and a flip plate is rotatably connected to the lower side of the fixed plate. The plate body of the flip plate near one end is connected to the fixed plate by a hinge A, and a driving mechanism for driving the flip plate to open and close is installed on the fixed plate.

3. The wax-wrapped sand mechanism according to claim 2, characterized in that; The driving mechanism includes a driving cylinder, which is rotatably connected to a fixed plate. The movable end of the driving cylinder penetrates downwardly through the fixed plate to form an extended end. The extended end is connected to an end of the flip plate close to the hinge A via a hinge B. A through hole is provided on the fixed plate corresponding to the swinging range of the movable end of the driving cylinder.

4. The wax-wrapped sand mechanism according to claim 2, characterized in that: Horizontal plates are arranged on the front and rear sides of the traveling crane, and vertical lifting cylinders are installed on the lower surface of the horizontal plates. The movable ends of the lifting cylinders are downward, and the movable ends of the two lifting cylinders are respectively fixedly connected to the two ends of the fixed plate.

5. The wax-wrapped sand mechanism according to claim 1, characterized in that; The slurry soaking tank comprises a frame A, on which a material tank is mounted, and the material tank is filled with slurry.

6. The wax-wrapped sand mechanism according to claim 1, characterized in that; The floating sand machine includes a frame B, on which a floating sand pool is installed. The floating sand pool is filled with sand, and a plurality of air inlet holes are arranged on the inner bottom of the floating sand pool. An air inlet assembly is installed on the air inlet holes on the inner bottom of the floating sand pool. The air inlet assembly includes a vertical air pipe, the upper end of the vertical air pipe is closed, and the lower end is connected to the air inlet holes. A plurality of exhaust pipes inclined downward are installed on the side of the vertical air pipe, and the exhaust pipes are connected to the vertical air pipe.

7. The wax-wrapped sand mechanism according to claim 6, characterized in that: An air hood is installed at the bottom of the floating sand pool. The air hood is funnel-shaped. The large opening of the air hood covers the bottom of the floating sand pool. The small opening of the air hood is connected to an external blower through a pipeline. Filter A is installed on the input end of the blower and in the air hood.

8. The wax-wrapped sand mechanism according to claim 6, characterized in that; The dust extraction mechanism includes a dust extraction box, which is located above the side of the floating sand pool. The side of the dust extraction box close to the floating sand pool is a concave arc surface, and a plurality of air extraction holes are arranged in an array on the arc surface. A dust outlet with a switch valve is arranged on the bottom of the dust extraction box, and an output port is arranged on the top of the dust extraction box, and the output port is connected to the air extraction equipment through a pipeline.

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