Automatic casting propeller hub mold capable of rapidly removing sand and using method

By designing automatic casting hub molds and using gas pressure to remove molded sand, the problem of low sand cleaning efficiency of traditional molds is solved, and the quality and production efficiency of castings are improved.

CN119702972AInactive Publication Date: 2025-03-28JIANGSU JINYU IND INTELLIGENCE CO LTD
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Patent Information

Application Number
CN202411925665.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

After the casting of the traditional paddle hub mold, the mold sand is closely adhered to the surface of the mold cavity, and the manual cleaning efficiency is low, which affects the quality of the casting and subsequent processing.

Method used

Design a hub mold for automated casting, including a mold body, a core, a packaging structure and a sealing assembly that is buckled up and down. Gas is introduced into the mold cavity through the ventilation equipment, and the mold sand is blown out from the gaps and openings of the mold by using the gas pressure to achieve rapid sand cleaning.

Benefits of technology

It greatly improves the sand cleaning efficiency, reduces the labor intensity and time cost of manual sand cleaning, and ensures the quality of castings and the smooth progress of subsequent processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an automatic casting propeller hub mold capable of rapidly removing sand and a using method, and belongs to the technical field of propeller hub molds, the automatic casting propeller hub mold comprises a mold body, the mold body comprises an upper mold and a lower mold which are buckled up and down, and a liquid injection hole is formed in the upper end face of the upper mold and used for injecting casting liquid into the mold body; the mold core is arranged between the upper mold and the lower mold; the packaging structure comprises a pressurizing cover, the pressurizing cover abuts against one end of the mold core, a ventilation channel is formed in the pressurizing cover, a connecting channel is formed in the mold core, and the connecting channel is communicated with the ventilation channel. By arranging the packaging structure and the sealing assembly, after casting is completed, gas is introduced into the mold cavity through the ventilation equipment, and molding sand is blown out from the gap and the opening of the mold by means of gas pressure, so that the purpose of rapid sand removal is achieved, the sand removal efficiency is greatly improved, and the labor intensity and the time cost of manual sand removal are reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of propeller hub moulds, and in particular to a propeller hub mould for automated casting capable of rapid sand removal and a use method thereof. Background Art

[0002] Hub molds are widely used in automated casting production. After casting, traditional hub molds often face many difficulties in sand cleaning. After the molding sand solidifies in the mold, it adheres tightly to the surface of the mold cavity. Conventional manual cleaning methods are not only labor-intensive and inefficient, but also difficult to completely remove the molding sand, affecting the quality of the casting and subsequent processing. At the same time, some existing sand cleaning technologies may require complex equipment or processes, which increases production costs and production cycles, and is not conducive to the efficient implementation of automated casting production.

[0003] Therefore, in order to improve the use efficiency of the hub mold and facilitate cleaning of the molding sand in the hub mold, an automated casting hub mold that can quickly clean sand and a use method are proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a propeller hub mold for automated casting that can quickly clean sand and a method of use, so as to solve the problem raised in the above background technology that after the molding sand solidifies in the mold, it is tightly adhered to the surface of the mold cavity, and conventional manual cleaning methods are used, which affects the quality of the casting and subsequent processing.

[0005] To achieve the above object, the present invention provides the following technical solution: an automated casting hub mold capable of rapid sand removal and a method of using the same, comprising:

[0006] The mold body comprises an upper mold and a lower mold which are buckled together, and an injection hole is provided on the upper end surface of the upper mold for injecting casting liquid into the mold body;

[0007] A mold core, wherein the mold core is arranged between the upper mold and the lower mold;

[0008] The packaging structure includes a booster cover, the booster cover is against one end of the mold core, and a vent channel is opened in the booster cover, and a connecting channel is opened on the mold core, and the connecting channel is connected to the vent channel;

[0009] A sealing assembly, wherein the sealing assembly comprises a sealing plate and a sealing cover, wherein the sealing plate is fixedly mounted on the end surface of the mold body, and the sealing cover is fixedly mounted on the sealing plate, and the sealing cover is used to seal the sealing plate;

[0010] As a further preferred embodiment of the technical solution: the sealing plate comprises a cover plate, the cover plate is provided with an exhaust hole, the sealing cover comprises a fixing plate, a sealing cone is fixedly connected to the fixing plate, and the sealing cone is in contact with the exhaust hole;

[0011] As a further preferred embodiment of the technical solution: a second positioning hole is provided on the cover plate, a screw is installed in the second positioning hole, and the cover plate is fixedly installed on the mold body by the screw;

[0012] As a further preferred embodiment of the technical solution: the cover plate is further provided with a positioning hole 1, the fixing plate is fixed to the cover plate by screws installed in the positioning hole 1, and the sealing cone is arranged on a side close to the cover plate, and the sealing cone is arranged in the middle of the fixing plate;

[0013] As a further preferred embodiment of the technical solution: the boost cover is provided with a vent, and the vent is connected to the ventilation channel;

[0014] As a further preferred embodiment of the present technical solution: a clamping structure is also provided on the mold body;

[0015] The clamping structure includes a plurality of clamping plates, which are respectively arranged on the upper and lower sides of the mold body. The corresponding clamping plates are fixed to the mold body through the cooperation of stud bolts and clamping nuts. The clamping structure is used for buckling and clamping the upper mold and the lower mold.

[0016] As a further preferred embodiment of the present technical solution, the following steps are included:

[0017] S1: Place the mold core on the lower mold, so that the mold core and the lower mold are positioned together, then buckle the upper mold and the lower mold, clamp the upper mold and the lower mold through the clamping structure, then fix the sealing plate on the end face of the mold body with screws, and then fix the sealing cover on the sealing plate to ensure a good seal.

[0018] S2: Add casting liquid into the mold body through the injection hole until the casting liquid fills the mold cavity, and wait for the casting liquid to solidify and form.

[0019] S3: After the casting is completed, open the sealing cover and connect the ventilation device to the vent on the booster cover.

[0020] S4: Start the ventilation equipment, and the gas enters the mold cavity through the ventilation channel and the connecting channel, and uses the gas pressure to blow the molding sand out from the gaps and openings of the mold to achieve sand cleaning;

[0021] As a further preferred embodiment of the technical solution: in the assembly process S1, the mold core, the lower mold and the upper mold cooperate with each other for casting;

[0022] As a further preferred embodiment of the present technical solution: in S4, the ventilation device transmits a high-speed airflow to the mold to blow away and remove the molding sand on the surface of the mold.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention provides a packaging structure and a sealing component. After casting is completed, a ventilation device is used to introduce gas into the mold cavity, and the molding sand is blown out from the gaps and openings of the mold with the help of gas pressure, thereby achieving the purpose of rapid sand cleaning, greatly improving the sand cleaning efficiency, and reducing the labor intensity and time cost of manual sand cleaning;

[0025] 2. The mold body adopts an upper mold and a lower mold that are buckled up and down, and are clamped and fixed by a clamping structure to ensure the stability and sealing of the mold during the casting process. The mold core is positioned in coordination with the upper and lower molds to ensure the accuracy of the casting. The design of the sealing plate and the sealing cover in the sealing assembly achieves a good seal through the abutment between the sealing cone and the exhaust hole, and can be easily opened for ventilation during sand cleaning. The structural design is reasonable and the operation is convenient;

[0026] 3. The fast and effective sand cleaning method can avoid the influence of residual molding sand on the quality of castings, such as avoiding the problems of rough surface and dimensional deviation of castings caused by residual molding sand, thereby improving the quality of castings and facilitating subsequent processing and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of an automatic casting hub mold capable of rapid sand removal according to the present invention;

[0028] Figure 2 This is a schematic diagram of the internal structure of an automated casting hub mold capable of rapid sand removal according to the present invention;

[0029] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0030] Figure 4 This is a schematic diagram of the partial structure of an automated casting hub mold capable of rapid sand removal according to the present invention;

[0031] Figure 5 It is a schematic diagram of the explosion structure of the sealing component;

[0032] Figure 6 The present invention is a three-dimensional schematic diagram of an automatic casting hub mold capable of rapid sand removal.

[0033] In the figure: 1. mold body; 21. upper mold; 22. lower mold; 3. mold core; 4. packaging structure; 41. booster cover; 42. vent; 43. vent channel; 44. connecting channel; 5. sealing assembly; 51. sealing plate; 52. sealing cover; 511. cover plate; 512. exhaust hole; 513. positioning hole one; 514. positioning hole two; 521. fixing plate; 522. sealing cone; 6. clamping structure; 61. clamping plate; 62. stud bolt; 63. clamping nut; 7. injection hole. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example

[0036] See also Figure 1-Figure 6 As shown, the present invention provides a technical solution: an automated casting hub mold capable of rapid sand removal and a method of use, characterized in that: it includes:

[0037] A mold body 1, wherein the mold body 1 comprises an upper mold 21 and a lower mold 22 which are buckled together. An injection hole 7 is provided on the upper end surface of the upper mold 21 for injecting casting liquid into the mold body 1;

[0038] A mold core 3, wherein the mold core 3 is disposed between an upper mold 21 and a lower mold 22;

[0039] The packaging structure 4 includes a pressurizing cover 41, the pressurizing cover 41 is against one end of the mold core 3, and a vent channel 43 is opened in the pressurizing cover 41, and a connecting channel 44 is opened on the mold core 3, and the connecting channel 44 is connected to the vent channel 43;

[0040] The sealing assembly 5 comprises a sealing plate 51 and a sealing cover 52 . The sealing plate 51 is fixedly mounted on the end surface of the mold body 1 . The sealing cover 52 is fixedly mounted on the sealing plate 51 . The sealing cover 52 is used to seal the sealing plate 51 .

[0041] In this embodiment, specifically: the sealing plate 51 includes a cover plate 511 , the cover plate 511 is provided with an exhaust hole 512 , the sealing cover 52 includes a fixing plate 521 , a sealing cone 522 is fixedly connected to the fixing plate 521 , and the sealing cone 522 is in contact with the exhaust hole 512 .

[0042] In this embodiment, specifically: a second positioning hole 514 is opened on the cover plate 511, a screw is installed in the second positioning hole 514, and the cover plate 511 is fixed to the mold body 1 by the screw.

[0043] In this embodiment, specifically: a positioning hole 513 is further provided on the cover plate 511, the fixing plate 521 is fixed to the cover plate 511 by screws installed in the positioning hole 513, and the sealing cone 522 is arranged on a side close to the cover plate 511, and the sealing cone 522 is arranged in the middle of the fixing plate 521.

[0044] In this embodiment, specifically: the boost cover 41 is provided with a vent 42 , and the vent 42 is connected to the vent channel 43 .

[0045] In this embodiment, specifically: the mold body 1 is further provided with a clamping structure 6;

[0046] The clamping structure 6 includes multiple groups of clamping plates 61, which are respectively arranged on the upper and lower sides of the mold body 1. The corresponding clamping plates 61 are fixed to the mold body 1 through the cooperation of stud bolts 62 and clamping nuts 63. The clamping structure 6 is used for snapping and clamping the upper mold 21 and the lower mold 22.

[0047] In this embodiment, specifically, the following steps are included:

[0048] S1: Place the mold core 3 on the lower mold 22, so that the mold core 3 and the lower mold 22 are matched and positioned, then buckle the upper mold 21 and the lower mold 22, clamp the upper mold 21 and the lower mold 22 by the clamping structure 6, then fix the sealing plate 51 on the end face of the mold body 1 by screws, and then fix the sealing cover 52 on the sealing plate 51 to ensure good sealing.

[0049] S2: Add casting liquid into the mold body 1 through the injection hole 7 until the casting liquid fills the mold cavity, and wait for the casting liquid to solidify and form.

[0050] S3: After the casting is completed, the sealing cover 52 is opened, and the ventilation device is connected to the vent 42 on the pressurization cover 41 .

[0051] S4: Start the ventilation equipment, and the gas enters the mold cavity through the ventilation channel 43 and the connecting channel 44, and uses the gas pressure to blow the molding sand out from the gaps and openings of the mold to achieve sand cleaning.

[0052] In this embodiment, specifically: in the assembly process S1, the mold core 3, the lower mold 22 and the upper mold 21 cooperate with each other for casting.

[0053] In this embodiment, specifically: in S4, the ventilation device transmits a high-speed airflow to the mold to blow away and remove the molding sand on the surface of the mold.

[0054] Working principle or structural principle:

[0055] Assembly stage (S1):

[0056] First, place the mold core 3 on the lower mold 22 for matching and positioning, then buckle the upper mold 21 with the lower mold 22, and then use the clamping structure 6 to clamp the upper mold 21 and the lower mold 22 through the stud bolts 62 and the clamping nuts 63. After that, fix the sealing plate 51 on the end face of the mold body 1 with screws, and then fix the sealing cover 52 on the sealing plate 51 and ensure good sealing. At this point, the mold assembly is completed, and all components are matched in place to form a complete and stable casting cavity, preparing for the subsequent injection of casting liquid.

[0057] Injection stage (S2):

[0058] The casting liquid is poured into the mold body 1 through the liquid injection hole 7, and the pouring is continued until the casting liquid fills the entire mold cavity, and then the casting liquid is waited for solidification to form a casting blank.

[0059] Sand cleaning preparation stage (S3):

[0060] After the casting is completed, the sealing cover 52 is opened to release the seal on the exhaust hole 512 of the sealing plate 51, and the ventilation device is connected to the vent 42 on the booster cover 41 to prepare for the introduction of gas into the mold so that the gas can smoothly enter the mold for sand cleaning operation.

[0061] Sand cleaning stage (S4):

[0062] The ventilation equipment is started, and the gas enters the ventilation channel 43 through the vent 42, and then enters the mold cavity through the connecting channel 44. The molding sand is blown out from the gaps and openings of the mold by the gas pressure. The ventilation equipment transmits high-speed airflow to the mold to blow away and remove the molding sand on the mold surface, thereby achieving the purpose of rapid sand cleaning. After the sand cleaning is completed, the casting can be taken out of the mold for subsequent processing.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated casting hub mold capable of rapid sand removal, characterized in that: include: A mold body (1), the mold body (1) comprising an upper mold (21) and a lower mold (22) that are buckled together, and an injection hole (7) is provided on the upper end surface of the upper mold (21) for injecting casting liquid into the mold body (1); A mold core (3), wherein the mold core (3) is arranged between the upper mold (21) and the lower mold (22); A packaging structure (4), the packaging structure (4) comprising a pressurizing cover (41), the pressurizing cover (41) abutting against one end of the mold core (3), and a venting channel (43) being provided in the pressurizing cover (41), and a connecting channel (44) being provided on the mold core (3), the connecting channel (44) being in communication with the venting channel (43); A sealing assembly (5), wherein the sealing assembly (5) comprises a sealing plate (51) and a sealing cover (52), wherein the sealing plate (51) is fixedly mounted on the end surface of the mold body (1), and the sealing cover (52) is fixedly mounted on the sealing plate (51), and the sealing cover (52) is used to seal the sealing plate (51).

2. The propeller hub mold for automated casting capable of rapid sand removal according to claim 1, characterized in that: The sealing plate (51) comprises a cover plate (511), the cover plate (511) is provided with an exhaust hole (512), the sealing cover (52) comprises a fixing plate (521), a sealing cone (522) is fixedly connected to the fixing plate (521), and the sealing cone (522) is in abutment with the exhaust hole (512).

3. The propeller hub mold for automated casting capable of rapid sand removal according to claim 1, characterized in that: The cover plate (511) is provided with a second positioning hole (514), a screw is installed in the second positioning hole (514), and the cover plate (511) is fixedly mounted on the mold body (1) by means of the screw.

4. The propeller hub mold for automated casting capable of rapid sand removal according to claim 1, characterized in that: The cover plate (511) is also provided with a positioning hole (513), and the fixing plate (521) is fixed to the cover plate (511) by means of screws installed in the positioning hole (513), and the sealing cone (522) is arranged on a side close to the cover plate (511), and the sealing cone (522) is arranged in the middle of the fixing plate (521).

5. The propeller hub mold for automated casting capable of rapid sand removal according to claim 1, characterized in that: The boost cover (41) is provided with a vent (42), and the vent (42) is connected to a vent channel (43).

6. The propeller hub mold for automated casting capable of rapid sand removal according to claim 1, characterized in that: The mold body (1) is also provided with a clamping structure (6); The clamping structure (6) comprises a plurality of groups of clamping plates (61), wherein the clamping plates (61) are respectively arranged on the upper and lower sides of the mold body (1), and the corresponding clamping plates (61) are fixed to the mold body (1) by means of stud bolts (62) and clamping nuts (63). The clamping structure (6) is used for clamping the upper mold (21) and the lower mold (22).

7. The method for using the automatic casting hub mold capable of rapid sand removal according to claim 1, characterized in that: The following steps are involved: S1: Place the mold core (3) on the lower mold (22) so that the mold core (3) and the lower mold (22) are matched and positioned, then the upper mold (21) and the lower mold (22) are buckled together, and the upper mold (21) and the lower mold (22) are clamped and fixed by the clamping structure (6), and then the sealing plate (51) is fixed to the end face of the mold body (1) by screws, and then the sealing cover (52) is fixed to the sealing plate (51) to ensure good sealing. S2: Add casting liquid into the mold body (1) through the injection hole (7) until the casting liquid fills the mold cavity, and wait for the casting liquid to solidify and form. S3: After the casting is completed, the sealing cover (52) is opened and the ventilation device is connected to the vent (42) on the booster cover (41). S4: Start the ventilation device, and the gas enters the mold cavity through the ventilation channel (43) and the connecting channel (44), and uses the gas pressure to blow the molding sand out from the gaps and openings of the mold to achieve sand cleaning.

8. The method for using the automatic casting hub mold capable of rapid sand removal according to claim 7, characterized in that: During the assembly process S1, the mold core (3), the lower mold (22) and the upper mold (21) cooperate with each other for casting.

9. The method for using the automatic casting hub mold capable of rapid sand removal according to claim 8, characterized in that: In S4, the ventilation device transmits high-speed airflow to the mold to blow away and remove the molding sand on the surface of the mold.