Sand mixing and conveying device for sand mold forming
The sand material mixing and conveying device addresses inefficiencies in traditional mixing methods by integrating mixing and conveying processes, ensuring even binder application and preventing solidification, thus improving production efficiency and reducing binder usage.
Patent Information
- Application Number
- CN202420923513.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing method of mixing sand material with a binder in a mixing bin before molding is inefficient and prone to solidification due to long storage time, leading to reduced production efficiency and increased binder usage.
A sand material mixing and conveying device that integrates a mixing trough with a mixing auger and adhesive nozzles on a cantilever beam, allowing direct mixing of sand material with a binder during the conveying process, eliminating the need for a separate mixing bin.
Improves production efficiency, achieves even mixing, reduces binder usage, and prevents solidification by integrating mixing and conveying processes, thereby enhancing operational efficiency and reducing consolidation issues.
Smart Images
Figure CN222198787U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand mold molding, in particular to a sand material mixing and conveying device for sand mold molding. Background Art
[0002] The sand material for making sand molds needs to be mixed with a binder before molding. Currently, the sand material and binder are mixed in a mixing bin, and then sent to a sandbox for molding; however, this method is inefficient, and the mixed materials are prone to solidification in the mixing bin due to long storage time. Utility Model Content
[0003] In view of this, the purpose of the utility model is to provide a sand material mixing and conveying device for sand mold molding, in which the sand material is directly mixed with a binder during the conveying process, which can improve production efficiency and save the amount of binder.
[0004] The utility model is implemented by the following scheme: a sand material mixing and conveying device for sand mold molding, comprising a sand material bin, a lifting conveyor belt is provided below the discharge port of the sand material bin, a fixed seat is provided below the discharge end of the lifting conveyor belt, a cantilever beam whose rear part is hinged to the fixed seat is provided on the fixed seat, a mixing trough is provided on the cantilever beam along its length direction, a mixing auger is provided in the mixing trough, a plurality of adhesive nozzles are provided above the mixing trough, a discharge port connected to the mixing trough is provided at the bottom of the front end of the cantilever beam, and the discharge port of the cantilever beam is connected to the feed port of a screw conveyor.
[0005] Furthermore, the cantilever beam is provided with a cover plate above the mixing trough, the adhesive nozzle is installed on the cover plate, the front end of the cover plate is provided with an inlet located below the discharge end of the lifting conveyor belt, the upper end of the inlet is connected with a material guide cover shell, the discharge end of the lifting conveyor belt extends into the material guide cover shell, and the top of the material guide cover shell is connected with a dust suction pipe.
[0006] Furthermore, an adhesive main pipe is provided above the cantilever beam, the adhesive main pipe is connected to the adhesive nozzle through an adhesive branch pipe, the adhesive main pipe is connected to the adhesive storage tank through a feed pipe, and a feed pump is connected in series to the feed pipe.
[0007] Furthermore, a motor coaxially connected to the mixing auger is provided inside the rear end of the cantilever beam, a counterweight block is also hinged at the rear end of the cantilever beam, and a hydraulic cylinder is connected between the middle part of the cantilever beam and the fixed seat.
[0008] Furthermore, the discharge port of the screw conveyor is connected with a discharge bellows, and the feed port of the screw conveyor is rotationally matched with the discharge port of the cantilever beam.
[0009] Furthermore, a dust cover is provided beside the discharge port of the sand bin.
[0010] Compared with the prior art, the utility model has the following beneficial effects: the sand material mixing and conveying device for sand mold molding of the utility model has a novel structure, a reasonable design, is easy to use, and is highly practical. It eliminates the need for a mixing bin and adopts a method of directly mixing the sand material with the binder during the conveying process, thereby improving production efficiency, achieving a good mixing effect, saving binder usage, and preventing consolidation problems from occurring easily.
[0011] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through specific embodiments and related drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;
[0013] Figure 2 It is a schematic diagram of the partial structure of an embodiment of the utility model;
[0014] Explanation of numbers in the figure: 1-sand silo, 2-lifting conveyor belt, 3-fixed seat, 4-cantilever beam, 5-mixing trough, 6-mixing auger, 7-adhesive nozzle, 8-screw conveyor, 9-cover plate, 10-material guide cover shell, 11-adhesive main pipe, 12-adhesive storage tank, 13-feeding pump, 14-motor, 15-counterweight block, 16-hydraulic cylinder, 17-discharging bellows, 18-dust removal hood. DETAILED DESCRIPTION
[0015] 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.
[0016] 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.
[0017] like Figure 1~2As shown, a sand material mixing and conveying device for sand mold molding comprises a sand material bin 1, a lifting conveyor belt 2 is provided below the discharge port of the sand material bin 1, a fixed seat 3 is provided below the discharge end of the lifting conveyor belt 2, a cantilever beam 4 hinged to the fixed seat at the rear is provided on the fixed seat, a mixing trough 5 is provided on the cantilever beam along its length direction, a mixing auger 6 is provided in the mixing trough, a plurality of adhesive nozzles 7 are provided above the mixing trough, a discharge port connected to the mixing trough is provided at the bottom of the front end of the cantilever beam, and the discharge port of the cantilever beam is connected to the feed port of a screw conveyor 8. The sand material is transported to the mixing trough 5 through the lifting conveyor belt 2, and the mixing auger 6 in the mixing trough 5 pushes the sand material to be transported forward. At the same time, the adhesive nozzle is used to spray the adhesive directly to the sand material in the conveying process. The mixing auger 6 also has a stirring effect in the feeding process to make the sand material and the adhesive mixed evenly. The sand material mixing and conveying device for sand mold molding eliminates the mixing bin and adopts the method of directly mixing the sand material with the adhesive during the conveying process, which can improve the production efficiency, and has a good mixing effect, can save the amount of adhesive, and is not prone to consolidation problems.
[0018] In this embodiment, the cantilever beam 4 is provided with a cover plate 9 above the mixing trough, and the adhesive nozzle 7 is installed on the cover plate. The front end of the cover plate 9 is provided with an inlet located below the discharge end of the lifting conveyor belt 2, and the upper end of the inlet is connected with a material guide cover shell 10. The discharge end of the lifting conveyor belt 2 extends into the material guide cover shell, and the top of the material guide cover shell is connected with a dust suction pipe; the sand on the lifting conveyor belt 2 enters the material guide cover shell, and then falls into the mixing trough from the bottom opening of the material guide cover shell; the dust suction pipe can discharge the dust generated by the falling sand immediately, so as to prevent the dust from escaping from the joint between the lifting conveyor belt 2 and the material guide cover shell.
[0019] In this embodiment, an adhesive main pipe 11 is provided above the cantilever beam, the adhesive main pipe is connected to the adhesive nozzle through an adhesive branch pipe, the adhesive main pipe is connected to the adhesive storage tank 12 through a feed pipe, and a feed pump 13 is connected in series to the feed pipe.
[0020] In this embodiment, a motor 14 coaxially connected to the mixing auger is provided inside the rear end of the cantilever beam, a counterweight block 15 is also hinged at the rear end of the cantilever beam, and a hydraulic cylinder 16 is connected between the middle part of the cantilever beam and the fixed seat; the angle of the cantilever beam can be adjusted by the hydraulic cylinder, and the counterweight block 15 can match the weight of the front part of the cantilever beam to reduce the working pressure of the hydraulic cylinder 16.
[0021] In this embodiment, the discharge port of the screw conveyor is connected to a discharge bellows 17, and the feed port of the screw conveyor is rotatably connected to the discharge port of the cantilever beam. The screw conveyor can further stir during the feeding process, and the sand material and the binder are mixed and fall into the corresponding sand box through the discharge bellows, and the screw conveyor can rotate relative to the cantilever beam to adjust the position of the discharge port.
[0022] In this embodiment, a dust cover 18 is provided beside the discharge port of the sand bin.
[0023] 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.
[0024] 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).
[0025] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.
[0026] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated forming process.
[0027] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.
Claims
1. A sand material mixing and conveying device for sand mold forming, Features: It includes a sand bin, a lifting conveyor belt is provided below the discharge port of the sand bin, a fixed seat is provided below the discharge end of the lifting conveyor belt, a cantilever beam is provided on the fixed seat and the rear part is hinged to the fixed seat, a mixing trough is provided on the cantilever beam along its length direction, a mixing auger is provided in the mixing trough, a plurality of adhesive nozzles are provided above the mixing trough, a discharge port connected to the mixing trough is provided at the bottom of the front end of the cantilever beam, and the discharge port of the cantilever beam is connected to the feed port of a screw conveyor.
2. The sand material mixing and conveying device for sand mold molding according to claim 1, Features: The cantilever beam is provided with a cover plate above the mixing trough, the adhesive nozzle is installed on the cover plate, the front end of the cover plate is provided with an inlet located below the discharge end of the lifting conveyor belt, the upper end of the inlet is connected with a material guide cover shell, the discharge end of the lifting conveyor belt extends into the material guide cover shell, and the top of the material guide cover shell is connected with a dust suction pipe.
3. The sand material mixing and conveying device for sand mold molding according to claim 1, Features: An adhesive main pipe is arranged above the cantilever beam, the adhesive main pipe is connected to the adhesive nozzle through an adhesive branch pipe, the adhesive main pipe is connected to the adhesive storage tank through a feed pipe, and a feed pump is connected in series to the feed pipe.
4. The sand material mixing and conveying device for sand mold molding according to claim 1, Features: A motor coaxially connected to the mixing auger is arranged inside the rear end of the cantilever beam, a counterweight block is hingedly connected to the rear end of the cantilever beam, and a hydraulic cylinder is connected between the middle part of the cantilever beam and the fixed seat.
5. The sand material mixing and conveying device for sand mold molding according to claim 1, Features: The discharge port of the screw conveyor is connected with a discharge bellows, and the feed port of the screw conveyor is rotationally matched with the discharge port of the cantilever beam.
6. The sand material mixing and conveying device for sand mold molding according to claim 1, Features: A dust removal cover is arranged beside the discharge port of the sand bin.