CN215090547U

CN215090547U - Precoated sand core shooting device for wheel blank sand mold forming

Info

Publication number: CN215090547U
Application number: CN202120879622.1U
Authority: CN
Inventors: 张永安
Original assignee: Wuxi Yongxing Machinery Co ltd
Current assignee: Wuxi Yongxing Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-10
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to a be used for fashioned tectorial membrane sand core shooting device of wheel base sand mould, its characterized in that: the device comprises a pipeline, a mould assembly, a driving mechanism for driving the mould assembly to open and close and a control mechanism for opening and closing a precoated sand source; the driving mechanism is arranged around the control mechanism; the mould assembly is communicated with the control mechanism through the pipeline. The problem of among the current scheme precoated sand shaping need longer time for need wait for longer time after injecting the precoated sand into the mould, lead to the work efficiency of precoated sand core shooting machine lower, can't satisfy the production needs is solved.

Description

Precoated sand core shooting device for wheel blank sand mold forming

Technical Field

The utility model relates to a penetrate the core device field, especially relate to a tectorial membrane sand core shooting device for wheel base sand mould shaping.

Background

The precoated sand core shooter is a machine which takes precoated sand as raw material and utilizes the hot box principle to make a precoated sand mold, the raw material for making the precoated sand mold core of the core shooter is phenolic resin precoated sand, and the precoated sand mainly adopts high-quality selected natural quartz sand as raw sand, thermoplastic phenolic resin, urotropine and reinforcing agent as raw materials. The method is characterized by high production efficiency, accurate size, smooth appearance and capability of producing castings with complex inner cavities. The precoated sand can be properly adjusted in proportion in the aspects of curing speed, demoulding property, fluidity, collapsibility, casting surface finish, storage and the like according to different technical requirements of users, and is seen by a plurality of casting enterprises in recent years.

The precoated sand core shooter adopting the existing scheme adopts a single-station design or is additionally provided with a reciprocating mechanism to realize double stations. Because the precoated sand molding needs a long time, the time for waiting for the precoated sand injection into the mold needs a long time, the working efficiency of the precoated sand core shooter is low, and the production requirement cannot be met. How to solve this problem becomes crucial.

Disclosure of Invention

To the shortcoming of above-mentioned prior art, the utility model aims at providing a tectorial membrane sand core shooting device for wheel base sand mould fashioned to tectorial membrane sand shaping needs longer time among the solution prior art, makes and need wait for longer time after injecting the tectorial membrane sand into the mould, and the work efficiency that has led to tectorial membrane sand core shooting machine is lower, can't satisfy the problem of production needs.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

precoated sand core shooting device for wheel blank sand mold forming

The device comprises a pipeline, a mould assembly, a driving mechanism for driving the mould assembly to open and close and a control mechanism for opening and closing a precoated sand source; the driving mechanism is arranged around the control mechanism; the mould assembly is communicated with the control mechanism through the pipeline.

The further technical scheme is as follows: the die assembly comprises a first die plate, a second die plate and a heating pipe; a die cavity is formed in one side, close to each other, of the first die plate and the second die plate; the die cavity is communicated with the pipeline; the heating pipes are respectively arranged in the first template and the second template in parallel.

The further technical scheme is as follows: a mould is arranged at one end of the pipeline communicated with the mould cavity; guide rails are arranged on two sides of the pipeline on the module; the first template and the second template are arranged on the guide rail in a sliding mode.

The further technical scheme is as follows: the pipeline is communicated with an air source through an inflation pipe; the inflation tube is provided with a control valve for opening and closing the inflation tube; the control valve is arranged on the inflation pipe and communicated with one end of the pipeline.

The further technical scheme is as follows: the driving mechanism comprises a first power device, a first gear, a base, a first connecting rod connected with the first template and a second connecting rod connected with the second template; the first connecting rod and the second connecting rod are connected to the base in a sliding mode; the first gear is rotatably arranged on the base between the adjacent first connecting rod and the second connecting rod; the first gear is respectively meshed with the first connecting rod and the second connecting rod; the first power device drives the first template or the second template to approach each other.

The further technical scheme is as follows: a first rack is arranged on the first connecting rod; a second rack is arranged on the second connecting rod; the first gear engages the first and second racks, respectively.

The further technical scheme is as follows: the control mechanism comprises a bottom plate, a top plate and a second power device, wherein the top plate is rotatably arranged on the bottom plate, and the second power device drives the top plate to rotate; a plurality of first communication holes are formed around the chassis; the top disc is provided with a second communicating hole; the first communicating hole is communicated with the pipeline; the second communication hole is respectively communicated with the precoated sand source and any one of the first communication holes; the driving end of the second power device is provided with a second gear; the second gear engages the top plate.

The further technical scheme is as follows: the precoated sand source is provided with a material conveying device; the material conveying device comprises a third power device, a first cylinder, a second cylinder, a first rod body and a second rod body, wherein the first rod body is rotatably arranged in the first cylinder, and the second rod body is rotatably arranged in the second cylinder; the outlet of the first cylinder is communicated with the control mechanism; the inlet of the second cylinder is communicated with the precoated sand source; the first cylinder and the second cylinder are communicated with each other; the third power device drives the second rod body to rotate, and the second rod body drives the first rod body to rotate.

The further technical scheme is as follows: a third gear is arranged on the first rod body; a fourth gear is arranged on the second rod body; the third gear engages the fourth gear.

The further technical scheme is as follows: the first cylinder is communicated with the second cylinder through a third cylinder; the third cylinder is respectively communicated with the first cylinder inlet and the second cylinder outlet.

Compared with the prior art, the utility model discloses a beneficial technological effect as follows: (1) the first template and the second template can slide stably through sliding of the first template and the second template along the guide rail, so that the molding quality of the wheel blank sand mold is improved; (2) the pipe is communicated with the gas filling pipe, so that gas can quickly blow the precoated sand into the mold cavity, the molding efficiency of the wheel blank sand mold is improved, and meanwhile, the gas pressure can compact the precoated sand in the mold cavity, so that the molding quality of the wheel blank sand mold is improved; (3) the driving mechanism drives the first template and the second template to approach or separate from each other, so that the die opening and closing of the die assembly are completed, and the forming efficiency of the wheel blank sand die is improved; (4) the control mechanism can uninterruptedly supply materials to the plurality of die assemblies, so that the working efficiency of wheel blank sand die forming is improved; (5) through the transmission of the third gear and the fourth gear, the first rod body and the second rod body are in a linkage state, and the driving can be completed only by one third power device, so that the production cost of the wheel blank sand mold forming is reduced; (6) carry out intensive mixing through the second body of rod to the material, the fashioned quality of wheel blank sand mould has been guaranteed in the ration transport of the rethread first body of rod.

Drawings

Fig. 1 shows the embodiment of the present invention is a schematic structural diagram of a precoated sand core shooting device for wheel blank sand mold molding.

Fig. 2 is a top view structural diagram of a driving mechanism according to an embodiment of the present invention.

Fig. 3 shows a top view structure diagram of the chassis according to the embodiment of the present invention.

Fig. 4 shows a top view structure diagram of the top plate according to the embodiment of the present invention.

In the drawings, the reference numbers: 1. a mold assembly; 11. a first template; 12. a second template; 13. heating a tube; 14. a mold cavity; 15. a module; 16. a guide rail; 2. a drive mechanism; 21. a base; 22. a first link; 23. a second link; 24. a first gear; 25. a first power unit; 26. a first rack; 27. a second rack; 3. a control mechanism; 31. a chassis; 32. a top tray; 33. a second power unit; 34. a first communication hole; 35. a second communication hole; 36. a second gear; 4. a pipeline; 5. an inflation tube; 51. a control valve; 6. a feeding device; 61. a first cylinder; 62. a second cylinder; 63. a first rod body; 64. a second rod body; 65. a third power unit; 66. a third gear; 67. a fourth gear; 68. and a third cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

Fig. 1 shows the embodiment of the present invention is a schematic structural diagram of a precoated sand core shooting device for wheel blank sand mold molding. Fig. 2 is a top view structural diagram of a driving mechanism according to an embodiment of the present invention. Fig. 3 shows a top view structure diagram of the chassis according to the embodiment of the present invention. Fig. 4 shows a top view structure diagram of the top plate according to the embodiment of the present invention. With reference to fig. 1, 2, 3 and 4, the present invention discloses a precoated sand core shooting device for wheel blank sand mold molding. The direction of X in the figure does the utility model discloses structure schematic's upper end, the direction of Y in the figure does the utility model discloses structure schematic's right-hand member.

The precoated sand core shooting device for wheel blank sand mold forming comprises a pipeline 4, a mold assembly 1, a driving mechanism 2 for driving the mold assembly 1 to open and close and a control mechanism 3 for opening and closing a precoated sand source. The drive mechanism 2 is arranged around the control mechanism 3. The mould assembly 1 communicates with the control mechanism 3 via a conduit 4.

The conduits 4 are arranged side by side around the lower end of the control mechanism 3. The lower end of the pipe 4 extends outwardly. The lower end of the conduit 4 communicates with the mould assembly 1.

The die assembly 1 includes a first die plate 11, a second die plate 12, and a heating tube 13. A mold cavity 14 is opened at one side of the first mold plate 11 and the second mold plate 12 close to each other. The mould cavity 14 communicates with the duct 4. The heating pipes 13 are respectively arranged in the first template 11 and the second template 12 in parallel.

The first template 11 is arranged in a vertical direction. The second template 12 is arranged in a vertical direction. A mold cavity 14 is opened on the first mold plate 11 on a side thereof adjacent to the second mold plate 12. A mold cavity 14 opens on the second mold plate 12 on a side thereof adjacent to the first mold plate 11.

The end of the conduit 4 communicating with the mould cavity 14 is provided with a mould part 15. The modules 15 are provided with guide rails 16 on both sides of the duct 4. The first template 11 and the second template 12 are slidably disposed on the guide rail 16.

The modules 15 are arranged in a vertical orientation. The guide rails 16 are arranged in the mould 15 in the direction of movement of the first template 11 and in the direction of movement of the second template 12. The first template 11 is slidingly arranged in the mould 15. The second template 12 is slidingly arranged in the mould 15.

After the precoated sand passes through the control mechanism 3 and the pipeline 4, the precoated sand enters the module 15, the driving mechanism 2 drives the first template 11 and the second template 12 to slide along the guide rail 16 to be close to each other, the precoated sand is placed in the mold cavity 14 for pressing, and the heating pipe 13 heats the precoated sand for final molding.

The first template 11 and the second template 12 slide along the guide rail 16, so that the first template 11 and the second template 12 can slide smoothly, and the molding quality of the wheel blank sand mold is improved.

The pipeline 4 is communicated with an air source through an inflation pipe 5. The inflation tube 5 is provided with a control valve 51 for opening and closing the inflation tube 5. The control valve 51 is arranged at one end of the inflation tube 5 communicated with the pipeline 4.

Preferably, the control valve 51 is an electrically controlled butterfly valve. The inflation tube 5 is communicated with the position on the pipeline 4 close to the control mechanism 3. As the coated sand passes through the conduit 4, the control valve 51 closes and the coated sand enters the mould 15. After the coated sand has passed through the pipe 4, the control valve 51 is opened to blow the coated sand completely into the mold 15. The pipeline 4 is communicated with the inflation pipe 5, so that the coated sand can be rapidly blown into the die cavity 14 by gas, and the molding efficiency of the wheel blank sand die is improved. Meanwhile, the gas pressure can compact the precoated sand in the die cavity 14, so that the molding quality of the wheel blank sand die is improved.

The control valve 51 is an electrically controlled butterfly valve, and the selection of the type of the electrically controlled butterfly valve is common knowledge. The person skilled in the art can choose the operation of the device, for example, an electrically controlled butterfly valve with model number RD-9X4B can be chosen.

The driving mechanism 2 includes a first power unit 25, a first gear 24, a base 21, a first link 22 connected to the first template 11, and a second link 23 connected to the second template 12. The first link 22 and the second link 23 are slidably connected to the base 21. The first gear 24 is rotatably disposed on the base 21 between the adjacent first link 22 and the second link 23. The first gear 24 engages the first link 22 and the second link 23, respectively. The first power means 25 drives the first pattern plate 11 or the second pattern plate 12 close to each other.

The first link 22 is provided with a first rack 26. The second link 23 is provided with a second rack 27. The first gear 24 engages a first rack 26 and a second rack 27, respectively.

Preferably, the first power means 25 is a cylinder. The base 21 is arranged in a horizontal direction. The base 21 is provided with a bearing, and the first connecting rod 22 and the second connecting rod 23 are slidably arranged on the bearing. The first link 22 connects both ends of the first template 11. The second link 23 connects both ends of the second template 12.

The first gear 24 engages with the first rack 26 and the second rack 27, respectively, so that the first link 22 and the second link 23 are in a linkage state, and the first template 11 and the second template 12 are close to or far from each other when the first power device 25 drives the first template 11 or the second template 12.

The driving mechanism 2 drives the first template 11 and the second template 12 to be close to or far away from each other, so that the die opening and die closing of the die assembly 1 are completed, and the forming efficiency of the wheel blank sand die is improved.

The first power means 25 is a cylinder, the choice of cylinder type being common knowledge. The skilled person can select the cylinder according to the working condition of the device, for example, the cylinder with the model number of SC80-500S can be selected.

The control mechanism 3 includes a bottom plate 31, a top plate 32 rotatably provided on the bottom plate 31, and a second power unit 33 for driving the top plate 32 to rotate. A plurality of first communication holes 34 are opened around the bottom plate 31. The top plate 32 is provided with a second communicating hole 35. The first communication hole 34 communicates with the duct 4. The second communication holes 35 communicate with the precoated sand source and any one of the first communication holes 34, respectively. The second power means 33 is provided with a second gear 36 at the drive end. The second gear 36 engages the top plate 32.

Preferably, the second power device 33 is an electric motor. The chassis 31 is disposed in a horizontal direction. The top plate 32 is rotatably disposed above the bottom plate 31 in the horizontal direction. A plurality of first communication holes 34 are formed in parallel around the center of the chassis 31. The first communication holes 34 communicate with the corresponding tubes 4. The second communication hole 35 is opened in the upper surface of the top plate 32.

The second power device 33 drives the second gear 36 to rotate, the second gear 36 drives the top disc 32 to rotate, the second communication hole 35 is communicated with any one of the first communication holes 34, and the top disc 32 closes the rest of the first communication holes 34. The precoated sand enters different pipes 4 through the first communication hole 34 and the second communication hole 35, respectively. The control mechanism 3 can continuously supply materials to the plurality of die assemblies 1, so that the working efficiency of wheel blank sand die forming is improved.

The second power unit 33 is a motor, and the selection of the motor type belongs to the common knowledge. The skilled person will be able to select the motor according to the working conditions of the device, for example, the model number is YE 3-355L-4.

The precoated sand source is provided with a material conveying device 6. The feeding device 6 comprises a third power device 65, a first cylinder 61, a second cylinder 62, a first rod 63 rotatably disposed in the first cylinder 61, and a second rod 64 rotatably disposed in the second cylinder 62. The first cylinder 61 is in outlet communication with the control mechanism 3. The inlet of the second cylinder 62 is communicated with a precoated sand source. The first cylinder 61 and the second cylinder 62 communicate with each other. The third power device 65 drives the second rod 64 to rotate, and the second rod 64 drives the first rod 63 to rotate.

The first lever 63 is provided with a third gear 66. A fourth gear 67 is provided on the second rod 64. The third gear 66 engages a fourth gear 67.

The first cylinder 61 communicates with the second cylinder 62 through the third cylinder 68. The third cylinder 68 is respectively communicated with the inlet of the first cylinder 61 and the outlet of the second cylinder 62.

Preferably, the third power device 65 is an electric motor. The first cylinder 61 is disposed vertically. The second cylinder 62 is vertically disposed. The upper end of the second cylinder 62 is an inlet of the second cylinder 62. The upper end of the left side of the second cylinder 62 is the outlet of the second cylinder 62. The upper end of the first cylinder 61 is an inlet of the first cylinder 61. The lower end of the first cylinder 61 is the outlet of the first cylinder 61.

The first lever 63 is vertically rotatably provided in the first cylinder 61. The second rod 64 is rotatably disposed in the second cylinder 62 in the vertical direction. The third gear 66 is provided at the upper end of the first rod 63. The fourth gear 67 is provided at the lower end of the second rod 64.

The third power device 65 drives the second rod 64 and the fourth gear 67 to rotate, and the fourth gear 67 drives the first rod 63 and the third gear 66 to rotate reversely.

In the tectorial membrane sand gets into second barrel 62 from the import of second barrel 62, the second body of rod 64 drives the tectorial membrane sand and upwards rolls and stir, and the export discharge of tectorial membrane sand from second barrel 62 gets into third barrel 68. The precoated sand in the third cylinder 68 enters the first cylinder 61 from the inlet of the first cylinder 61, and the first rod 63 pushes the precoated sand to be discharged from the outlet of the first cylinder 61 into the control mechanism 3.

The third cylinder 68 is used for storing the stirred excess precoated sand. Through the transmission of third gear 66 and fourth gear 67 for first body of rod 63 is in the linkage state with second body of rod 64, only needs a third power device 65 just can accomplish the drive, has reduced the fashioned manufacturing cost of wheel blank sand mould.

The materials are fully stirred through the second rod body 64 and then are conveyed quantitatively through the first rod body 63, so that the quality of the wheel blank sand mold is guaranteed.

The third power means 65 is an electric motor, and the selection of the type of the electric motor is common knowledge. The skilled person will be able to select the motor according to the working conditions of the device, for example, the model number is YE 3-355L-4.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a be used for fashioned tectorial membrane sand core shooting device of wheel base sand mould which characterized in that: the device comprises a pipeline, a mould assembly, a driving mechanism for driving the mould assembly to open and close and a control mechanism for opening and closing a precoated sand source; the driving mechanism is arranged around the control mechanism; the mould assembly is communicated with the control mechanism through the pipeline.

2. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 1, wherein: the die assembly comprises a first die plate, a second die plate and a heating pipe; a die cavity is formed in one side, close to each other, of the first die plate and the second die plate; the die cavity is communicated with the pipeline; the heating pipes are respectively arranged in the first template and the second template in parallel.

3. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 2, wherein: a mould is arranged at one end of the pipeline communicated with the mould cavity; guide rails are arranged on two sides of the pipeline on the module; the first template and the second template are arranged on the guide rail in a sliding mode.

4. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 1, wherein: the pipeline is communicated with an air source through an inflation pipe; the inflation tube is provided with a control valve for opening and closing the inflation tube; the control valve is arranged on the inflation pipe and communicated with one end of the pipeline.

5. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 2, wherein: the driving mechanism comprises a first power device, a first gear, a base, a first connecting rod connected with the first template and a second connecting rod connected with the second template; the first connecting rod and the second connecting rod are connected to the base in a sliding mode; the first gear is rotatably arranged on the base between the adjacent first connecting rod and the second connecting rod; the first gear is respectively meshed with the first connecting rod and the second connecting rod; the first power device drives the first template or the second template to approach each other.

6. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 5, wherein: a first rack is arranged on the first connecting rod; a second rack is arranged on the second connecting rod; the first gear engages the first and second racks, respectively.

7. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 1, wherein: the control mechanism comprises a bottom plate, a top plate and a second power device, wherein the top plate is rotatably arranged on the bottom plate, and the second power device drives the top plate to rotate; a plurality of first communication holes are formed around the chassis; the top disc is provided with a second communicating hole; the first communicating hole is communicated with the pipeline; the second communication hole is respectively communicated with the precoated sand source and any one of the first communication holes; the driving end of the second power device is provided with a second gear; the second gear engages the top plate.

8. The precoated sand core shooting apparatus for wheel blank sand mold molding according to claim 1, wherein: the precoated sand source is provided with a material conveying device; the material conveying device comprises a third power device, a first cylinder, a second cylinder, a first rod body and a second rod body, wherein the first rod body is rotatably arranged in the first cylinder, and the second rod body is rotatably arranged in the second cylinder; the outlet of the first cylinder is communicated with the control mechanism; the inlet of the second cylinder is communicated with the precoated sand source; the first cylinder and the second cylinder are communicated with each other; the third power device drives the second rod body to rotate, and the second rod body drives the first rod body to rotate.

9. The precoated sand core-shooting device for wheel blank sand mold molding according to claim 8, wherein: a third gear is arranged on the first rod body; a fourth gear is arranged on the second rod body; the third gear engages the fourth gear.

10. The precoated sand core-shooting device for wheel blank sand mold molding according to claim 9, wherein: the first cylinder is communicated with the second cylinder through a third cylinder; the third cylinder is respectively communicated with the first cylinder inlet and the second cylinder outlet.