Casting device based on motor base machining and casting process thereof

Abstract

The invention relates to the technical field of metal casting, and particularly discloses a casting device based on motor base machining and a casting process thereof.The casting device comprises a casting mechanism arranged on the inner side of a frame and used for casting a motor base, the casting mechanism comprises a connecting frame and a base, and an upper die base is fixedly arranged at the bottom of the connecting frame through bolts; the first auxiliary assembly and the second auxiliary assembly are matched to seal and block the baffle ring, the lower die base and the upper die base, so that gas in the space around the upper die body and the lower die body is conveniently pumped out, contact between oxygen and molten aluminum is reduced, generation of an aluminum alloy oxidation film is reduced, and the service life of the aluminum alloy die is prolonged. The first auxiliary assembly and the second auxiliary assembly are limited through the positioning assembly, embedding of the baffle ring and the limiting groove is positioned, the blocking stability is improved, the embedding stability of the upper mold body and the lower mold body is improved, and the casting quality of the motor base is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of metal casting, and specifically provides a casting device and a casting process based on the machining of a motor housing. Background Art

[0002] Metal casting devices usually inject molten metal liquid into a mold and carry out casting and forming through the fitting and separation of the mold. Among them, the casting of a motor housing usually involves pouring molten aluminum alloy into the mold, and then cooling and demolding for casting processing. During the casting process, the molten aluminum alloy reacts with oxygen in the air at high temperature to generate a layer of aluminum oxide film. This film can be formed in a very short time. After the aluminum oxide film is formed on the surface of the molten aluminum alloy, due to its melting point being much higher than that of the aluminum alloy, it is very stable, and its density is slightly higher than that of the aluminum liquid, making it easy to suspend in the aluminum liquid and not easy to aggregate and separate. Therefore, during the casting process, the aluminum oxide film on the surface will fold into a sandwich layer and be involved in the molten aluminum alloy, resulting in quality problems of the aluminum alloy casting.

[0003] A casting device for a motor housing of a new energy vehicle with the publication number of CN118253717B, the problems raised in its background art are as follows: The existing motor housing casting device is not convenient for detecting common damage problems in the mold, including the breakage or fracture of parts with holes and grooves inside the mold. And after casting, due to the remaining metal film and dust and other impurities inside the casting mold during the casting process, before carrying out the casting work of the motor housing again, it is necessary to clean the casting mold, which is not convenient for cleaning the mold, etc. The preparatory work is cumbersome, greatly affecting the casting processing efficiency of the motor housing.

[0004] Combining the existing technologies, the following problems exist: When the existing casting device casts a motor housing, since the upper die body and the lower die body are usually open-designed, it is not convenient to extract the air between the upper die body and the lower die body, resulting in the aluminum alloy film generated on the surface of the molten aluminum alloy affecting the quality of the motor housing, which has certain deficiencies. To solve the above problems, a casting device and a casting process based on the machining of a motor housing are proposed. Summary of the Invention

[0005] In order to overcome the deficiencies of the above-mentioned existing technologies, the present invention provides a casting device and a casting process based on the machining of a motor housing, which are convenient for extracting the air between the upper die body and the lower die body, thereby avoiding the aluminum alloy film generated on the surface of the molten aluminum alloy from affecting the quality of the motor housing, and are convenient for casting motor housings of different sizes.

[0006] To achieve the above object, the present invention is realized through the following technical solutions: A casting device based on the machining of a motor base, comprising a body, a frame arranged on one side of the top of the body, and a hydraulic rod fixedly arranged on the top of the frame, and the telescopic shaft of the hydraulic rod extends to the inside of the frame. It further includes a casting mechanism arranged inside the frame for casting the motor base. The casting mechanism includes: A connecting frame, fixedly arranged at the bottom of the telescopic shaft of the hydraulic rod. The bottom of the connecting frame is fixedly provided with an upper mold base through bolts, and an upper mold body is detachably arranged inside the upper mold base; A base, fixedly arranged on the inner wall of the bottom of the frame. The top of the base is fixedly provided with a lower mold base adapted to the upper mold base, and a lower mold body adapted to the upper mold body is detachably arranged inside the lower mold base. The upper mold body and the lower mold body are fitted together to cast the motor base. A first auxiliary component and a second auxiliary component are respectively arranged inside the lower mold base and outside the lower mold body and at the bottom of the upper mold base and outside the upper mold body to block between the upper mold body and the lower mold body.

[0007] Furthermore, the first auxiliary component includes: A moving groove, opened on the top of the lower mold base and located outside the lower mold body. The inner wall of the bottom of the moving groove is fixedly provided with a first electromagnet, and the inner wall of the moving groove is sleeved with a second electromagnet. The sides of the first electromagnet and the second electromagnet close to each other are of the same pole magnetic poles, and both the first electromagnet and the second electromagnet are designed in a ring shape; A retaining ring, fixedly arranged at the top of the second electromagnet and extending to the top of the lower mold base. The second electromagnet is in stop cooperation with the upper end of the inner wall of the moving groove to limit the retaining ring from detaching from the moving groove. A spring is sleeved between the outer wall of the retaining ring and the top inner wall of the moving groove and between the second electromagnet to make the retaining ring have a tendency to move downward.

[0008] Furthermore, the upper end of the inner wall of the moving groove is designed to protrude inward, so that while the second electromagnet moves along the inner wall of the moving groove, the upper end of the inner wall of the moving groove limits the second electromagnet; On both sides of the inner wall of the protruding position of the moving groove, first sealing rings are fixedly sleeved at intervals to seal between the retaining ring and the moving groove.

[0009] Furthermore, the second auxiliary component includes: A limiting seat, fixedly arranged at the bottom of the upper mold base. The limiting seat is designed in a ring shape, and the inner wall of the limiting seat is sleeved outside the upper mold body. A limiting groove adapted to the retaining ring is opened at the bottom of the limiting seat, so that the retaining ring is inserted into the limiting groove to block between the upper mold body and the lower mold body. Positioning components are arranged at the top end corners of the upper mold base and the lower mold base for positioning the retaining ring and the limiting groove; A sealing ring, fixedly sleeved on the outer wall of the upper mold body; The second sealing ring is fixedly sleeved on both sides of the inner wall of the limit groove to seal between the retaining ring and the limit groove after the retaining ring is inserted into the limit groove.

[0010] Furthermore, the positioning assembly includes: Lower positioning holes are opened at the top end corners of the lower die base, and lower positioning sleeves extending to the bottom of the lower die base are fixedly sleeved on the inner walls of the lower positioning holes; Upper positioning holes are opened at the top end corners of the upper die base, and upper positioning sleeves extending to the top of the upper die base are fixedly sleeved on the inner walls of the upper positioning holes. A positioning rod extending to the bottom of the lower positioning sleeve is fixedly sleeved on the inner wall of the upper positioning sleeve, so as to limit the fitting of the upper die base and the lower die base and position the fitting of the retaining ring and the limit groove.

[0011] Furthermore, the positioning assembly further includes: The lower positioning disk is sleeved on the outer wall of one end of the lower positioning sleeve located at the bottom of the lower die base. Annularly arrayed lower positioning members are fixedly provided on the top of the lower positioning disk to fix the lower die body on the top of the lower positioning disk through the lower positioning members, thereby positioning the lower die body; The upper positioning disk is sleeved on the outer wall of one end of the upper positioning sleeve located at the top of the upper die base. Annularly arrayed upper positioning members are fixedly provided on the bottom of the upper positioning disk to fix the upper die body on the bottom of the upper positioning disk through the upper positioning members, thereby limiting the upper die body. The central points of the annularly arrayed upper positioning members and lower positioning members are vertically aligned. Nuts are threadedly connected to the outer walls of one end of the lower positioning sleeve located at the bottom of the lower die base and one end of the upper positioning sleeve located at the top of the upper die base respectively to fix the lower positioning disk and the upper positioning disk respectively. Lower positioning grooves and upper positioning grooves for installing the lower positioning members and the upper positioning members are respectively opened at the bottom of the lower die base and the top of the upper die base.

[0012] Furthermore, the top of the lower positioning sleeve is located within the lower positioning hole, the bottom of the upper positioning sleeve is located within the upper positioning hole, the lower positioning sleeve and the upper positioning sleeve are vertically aligned, and the inner diameters of the inner walls of the lower positioning sleeve and the upper positioning sleeve are the same.

[0013] Furthermore, lower installation through grooves and upper installation through grooves are respectively opened at the tops of the lower die base and the upper die base for sleeving the upper die body and the lower die body respectively, and the lower installation through grooves and the upper installation through grooves are respectively communicated with the lower positioning grooves and the upper positioning grooves to install the upper die body and the lower die body; The connecting frame is designed in a bent shape so that there is a space between the inner side of the connecting frame and the top of the upper die base; The base is designed in a bent shape so that there is a space for the positioning rod to move inside the base.

[0014] Further, mounting holes are formed in the top of the upper die body. An installation sleeve is fixedly sleeved on the inner wall of the mounting hole. The bottom of the installation sleeve is designed to be sealed. A discharge nozzle, an air inlet nozzle and a nozzle are fixedly arranged at the bottom of the installation sleeve and within the mounting hole. The air inlet nozzle and the nozzle are respectively located on both sides of the discharge nozzle. The tops of the discharge nozzle, the air inlet nozzle and the nozzle are respectively fixedly provided with a material conveying pipe, a first conduit and a second conduit extending into the installation sleeve, and the material conveying pipe, the first conduit and the second conduit respectively extend to the inside of the connecting frame; A heating coil is fixedly sleeved between the outer wall of the installation sleeve and the inner wall of the mounting hole.

[0015] The present invention also provides a casting process of a casting device for machining a motor base. Using the described casting device for machining a motor base, the method includes the following steps: S1: Driving the upper die base and the upper die body to move downward through a hydraulic rod, so as to block between the upper die body and the lower die body through the first auxiliary component and the second auxiliary component; S2: After blocking the upper die body and the lower die body, evacuating the space between the upper die body and the lower die body to limit the degree of contact between the molten aluminum and the air. Then, inputting molten aluminum into the lower die body; S3: After inputting molten aluminum into the lower die body, moving the upper die body downward and fitting it with the lower die body, so as to cast and form the molten aluminum to cast the motor base.

[0016] The present invention provides a casting device for machining a motor base and its casting process. Compared with the prior art, the following beneficial effects are achieved: 1. In the present invention, through the cooperation of the first auxiliary component and the second auxiliary component, the space between the retaining ring, the lower die base and the upper die base is blocked, so as to facilitate the extraction of the gas in the space around the upper die body and the lower die body, thereby reducing the contact between oxygen and the molten aluminum, and thus reducing the generation of aluminum alloy oxide films. The positioning component limits the first auxiliary component and the second auxiliary component, and positions the fitting of the retaining ring and the limiting groove, improving the stability of the block and the stability of the fitting of the upper die body and the lower die body, so as to improve the quality of the casting of the motor base.

[0017] 2. In the present invention, the supporting force on the retaining ring is adjusted through the first electromagnet and the second electromagnet, so as to adjust the height of the retaining ring, so that when the upper die base and the upper die body move downward, they are close to and press the retaining ring, thereby ensuring the stability of the block of the retaining ring during the downward movement of the lower die body; The spring makes the retaining ring and the second electromagnet have a tendency to move downward, so as to expose the space between the upper die body and the lower die body after the upper die body and the lower die body are separated subsequently, thereby facilitating the removal of the cast motor base.

[0018] 3. By arranging the discharging nozzle, the nozzle and the air inlet nozzle at the bottom of the upper die body, it is convenient to block them with the first auxiliary component and the second auxiliary component. After the gas in the blocked area is pumped out, operations such as discharging and air suction can be carried out, which is convenient for actual casting use.

[0019] 4. The present invention positions the upper die base and the lower die base through the positioning component to position the retaining ring and the limiting groove, improving the stability of their fitting. Moreover, it is convenient to position the positions of the lower die body and the upper die body to improve the stability of the upper die body inserted into the lower die body, and enhance the stability of the casting forming of the motor base.

[0020] 5. The upper installation through groove and the lower installation through groove facilitate the installation of the upper die body and the lower die body in the upper die base and the lower die base respectively. Thus, it is convenient to replace the upper die body and the lower die body of different sizes to meet the casting of motor bases of different sizes. Moreover, it is convenient for the first auxiliary component and the second auxiliary component to block motor bases of different sizes, improving the applicability without affecting the positioning of the positioning component. The upper positioning groove and the lower positioning groove leave space for installing the lower positioning piece and the upper positioning piece on the lower die base and the upper die base, thereby increasing the sizes of the lower die body and the upper die body installed in the installation through groove and the upper installation through groove. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of the overall structure of the casting device based on the processing of the motor base of the present invention; Figure 2 It is a schematic diagram of the frame, hydraulic rod and casting mechanism of the present invention; Figure 3 It is a schematic diagram of the casting mechanism and the hydraulic rod of the present invention; Figure 4 It is a schematic diagram of the sectional structure of the upper die base and the lower die base of the present invention; Figure 5 It is a schematic diagram of the sectional structure of the lower die base and the retaining ring of the present invention; Figure 6 It is a schematic diagram of the exploded structure of the positioning component of the present invention; Figure 7 It is an inverted schematic diagram of the lower positioning disk, upper positioning groove, upper positioning hole, upper positioning disk and upper positioning piece of the present invention; Figure 8 It is a schematic diagram of the fitting structure of the upper die body and the lower die body of the present invention; Figure 9 It is a schematic diagram of the separated structure of the upper die body and the lower die body of the present invention; Figure 10 It is a schematic diagram of the sectional structure of the upper die body, upper die base and heating coil of the present invention; Figure 11 For the present invention Figure 10Schematic enlarged structure diagram of A; Figure 12 Schematic structure diagram of the first auxiliary component and the second auxiliary component of the present invention; Figure 13 Schematic exploded structure diagram of the upper die base and the lower die base of the present invention in cross-section.

[0022] Reference numerals involved in the above drawings: 1, body; 2, casting mechanism; 3, frame; 4, hydraulic rod; 20, second auxiliary component; 21, base; 22, connecting frame; 23, upper die base; 24, lower die base; 25, upper die body; 26, lower die body; 28, first auxiliary component; 29, positioning component; 2901, material conveying pipe; 2902, first conduit; 2903, second conduit; 2904, mounting hole; 2905, air inlet nozzle; 2906, discharge nozzle; 2907, nozzle; 2908, mounting sleeve; 2909, heating coil; 201, limit seat; 202, limit groove; 203, second sealing ring; 204, sealing ring; 231, upper mounting through groove; 241, lower mounting through groove; 281, retaining ring; 282, first sealing ring; 283, first electromagnet; 284, second electromagnet; 285, moving groove; 291, positioning rod; 292, lower positioning disc; 293, lower positioning part; 294, lower positioning hole; 295, lower positioning sleeve; 296, upper positioning groove; 297, upper positioning sleeve; 298, lower positioning groove; 299, upper positioning hole; 2991, upper positioning part; 2992, upper positioning disc. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 8 and Figure 9, A casting device based on the machining of a motor base, including a machine body 1, a frame 3 arranged on one side of the top of the machine body 1, and a hydraulic rod 4 fixedly arranged on the top of the frame 3. The telescopic shaft of the hydraulic rod 4 extends to the inside of the frame 3. The machine body 1 is the body of a casting machine. The hydraulic rod 4 is used to drive the upper die base 23 and the upper die body 25 to move vertically to complete the fitting of the upper die body 25 and the lower die body 26, so as to carry out casting molding. The above are all prior arts and will not be elaborated here. It also includes a casting mechanism 2 arranged inside the frame 3 for casting the motor base. The casting mechanism 2 includes: A connecting frame 22, fixedly arranged at the bottom of the telescopic shaft of the hydraulic rod 4. The bottom of the connecting frame 22 is fixedly provided with an upper die base 23 through bolts. The upper die body 25 is detachably arranged inside the upper die base 23; A base 21, fixedly arranged on the inner bottom wall of the frame 3. The top of the base 21 is fixedly provided with a lower die base 24 adapted to the upper die base 23. The lower die body 26 adapted to the upper die body 25 is detachably arranged inside the lower die base 24. The upper die body 25 and the lower die body 26 are fitted to cast the motor base. A first auxiliary component 28 and a second auxiliary component 20 are respectively arranged inside the lower die base 24 on the outer side of the lower die body 26 and at the bottom of the upper die base 23 on the outer side of the upper die body 25 to block between the upper die body 25 and the lower die body 26.

[0025] During specific implementation, the hydraulic rod 4 is started. The telescopic shaft of the hydraulic rod 4 drives the connecting frame 22 and the upper die base 23 to move, thereby driving the upper die body 25 to move, so that the upper die body 25 and the lower die body 26 are fitted, and the molten aluminum liquid in the lower die body 26 is cast and molded to cast the motor base; The aluminum liquid used for casting the motor base is usually molten aluminum alloy liquid.

[0026] Please refer to Figure 5 、 Figure 12 and Figure 13 , The first auxiliary component 28 includes: A moving groove 285, opened on the top of the lower die base 24 and located on the outer side of the lower die body 26. The inner bottom wall of the moving groove 285 is fixedly provided with a first electromagnet 283, and the inner wall of the moving groove 285 is sleeved with a second electromagnet 284. The sides of the first electromagnet 283 and the second electromagnet 284 close to each other are the same-pole magnetic poles. Both the first electromagnet 283 and the second electromagnet 284 are designed in a ring shape; A retaining ring 281, fixedly arranged on the top of the second electromagnet 284 and extending to the top of the lower die base 24. The second electromagnet 284 is in end-stop cooperation with the upper end of the inner wall of the moving groove 285 to limit the separation of the retaining ring 281 from the moving groove 285. A spring is sleeved between the outer wall of the retaining ring 281 and the top inner wall of the second electromagnet 284 and the moving groove 285, so that the retaining ring 281 has a tendency to move downward.

[0027] The upper end of the inner wall of the moving groove 285 is designed to protrude inward, so that while the second electromagnet 284 moves along the inner wall of the moving groove 285, the upper end of the inner wall of the moving groove 285 limits the second electromagnet 284; Both sides of the inner wall of the protruding position of the moving groove 285 are fixedly sleeved with first sealing rings 282 arranged at intervals to seal between the retaining ring 281 and the moving groove 285.

[0028] Please refer to Figure 12 and Figure 13 , the second auxiliary component 20 includes: The limit seat 201 is fixedly arranged at the bottom of the upper die holder 23. The limit seat 201 is annularly designed, and the inner wall of the limit seat 201 is sleeved on the outside of the upper die body 25. A limit groove 202 adapted to the retaining ring 281 is opened at the bottom of the limit seat 201, so that the retaining ring 281 is inserted into the limit groove 202, thereby sealing between the upper die body 25 and the lower die body 26. Positioning components 29 for positioning the retaining ring 281 and the limit groove 202 are arranged at the top end corners of the upper die holder 23 and the lower die holder 24; The sealing ring 204 is fixedly sleeved on the outer wall of the upper die body 25; The second sealing rings 203 are fixedly sleeved on both sides of the inner wall of the limit groove 202 to seal between the retaining ring 281 and the limit groove 202 after the retaining ring 281 is inserted into the limit groove 202.

[0029] In specific implementation, when casting and forming the machine base, first energize the first electromagnet 283 and the second electromagnet 284, so that a repulsive force is generated on the side where the first electromagnet 283 and the second electromagnet 284 approach each other, so as to drive the second electromagnet 284 and the retaining ring 281 to move upward along the limit groove 202 through the repulsive force. Immediately, drive the upper die holder 23 and the upper die body 25 to move downward a certain distance through the hydraulic rod 4. At this time, the lower die body 26 and the upper die body 25 are not completely fitted, and the retaining ring 281 is inserted into the limit groove 202, thereby sealing between the retaining ring 281, the lower die holder 24 and the upper die holder 23, so as to seal the space around the upper die body 25 and the lower die body 26. Immediately, connect an external suction pipeline through the first conduit 2902, so as to extract the gas in the space around the upper die body 25 and the lower die body 26 through the air inlet nozzle 2905, thereby reducing the contact between oxygen and the aluminum liquid, thereby reducing the generation of the aluminum alloy oxidation film, so as to improve the quality of the motor base casting. After the gas is extracted, connect an aluminum liquid pipeline through the feeding pipe 2901, so as to convey the aluminum liquid to the lower die body 26 along the discharging nozzle 2906. Immediately, drive the upper die body 25 to move downward through the hydraulic rod 4, so as to cast and form the aluminum liquid, so as to cast and form the motor base; During the downward movement of the upper die holder 23 and the upper die body 25, the positioning component 29 is used to limit their positions, thereby improving the stability of the engagement between the upper die body 25 and the lower die body 26, improving the quality of the motor base manufacturing, and positioning the engagement between the retaining ring 281 and the limiting groove 202, improving the smoothness of their engagement, thereby improving the stability of the sealing; The first sealing ring 282 and the second sealing ring 203 are used to seal the retaining ring 281, the moving groove 285, and the limiting groove 202 respectively, thereby improving the sealing performance between the retaining ring 281, the upper die holder 23, and the lower die holder 24, facilitating the subsequent extraction of the gas around the upper die body 25 and the lower die body 26; When the upper die body 25 is inserted into the lower die body 26 and reaches the position for casting the motor base, at this time, the bottom of the sealing ring 204 is in close contact with the top of the lower die body 26, thereby restricting the leakage of the molten aluminum from the top of the upper die body 25 and avoiding affecting the quality of the motor base casting; By limiting the upper end of the inner wall of the moving groove 285 to the second electromagnet 284, the separation of the retaining ring 281 from the moving groove 285 is avoided, facilitating actual use. And the second electromagnet 284 is elastically supported by the spring. When the second electromagnet 284 and the first electromagnet 283 are powered off, under the action of the spring, the retaining ring 281 and the second electromagnet 284 move downward, so that after the upper die body 25 and the lower die body 26 are separated subsequently, the space between the upper die body 25 and the lower die body 26 is exposed, facilitating the removal of the cast motor base; When the upper die holder 23 and the upper die body 25 move downward, the magnitude of the repulsive force between the first electromagnet 283 and the second electromagnet 284 can be controlled to make the upper die body 25 squeeze the retaining ring 281 to move downward, thereby ensuring the sealing stability of the retaining ring 281 during the downward movement of the lower die body 26.

[0030] Please refer to Figure 10 and Figure 11 , an installation hole 2904 is provided at the top of the upper die body 25. An installation sleeve 2908 is fixedly sleeved on the inner wall of the installation hole 2904. The bottom of the installation sleeve 2908 is designed to be sealed. And a discharge nozzle 2906, an air inlet nozzle 2905, and a nozzle 2907 are fixedly provided at the bottom of the installation sleeve 2908 and located within the installation hole 2904. The air inlet nozzle 2905 and the nozzle 2907 are respectively located on both sides of the discharge nozzle 2906. The top parts of the discharge nozzle 2906, the air inlet nozzle 2905, and the nozzle 2907 are respectively fixedly provided with a material conveying pipe 2901, a first conduit 2902, and a second conduit 2903 extending into the installation sleeve 2908, and the material conveying pipe 2901, the first conduit 2902, and the second conduit 2903 respectively extend to the inside of the connecting frame 22; A heating coil 2909 is fixedly sleeved between the outer wall of the installation sleeve 2908 and the inner wall of the installation hole 2904.

[0031] In specific implementation, connecting the discharging pipe to the molten aluminum pipeline facilitates discharging the molten aluminum through the discharging nozzle 2906 into the lower die body 26, so as to facilitate conveying the molten aluminum into the lower die body 26 after completing the windshield between the lower die base 24, the upper die base 23 and the retaining ring 281, in order to facilitate casting after air extraction; Connecting the first conduit 2902 to the air suction pipeline facilitates exhausting the gas in the sealing space through the air inlet nozzle 2905, thereby reducing the contact between oxygen and the molten aluminum, reducing the generation of the aluminum alloy oxidation film, reducing the amount of the aluminum alloy alumina film included after casting and forming, and thus improving the quality of the motor base; By connecting the second conduit 2903 to the solvent pipeline, spraying a solvent such as zinc chloride onto the surface of the molten aluminum through the nozzle 2907 to isolate the molten aluminum from contact with oxygen and water vapor, further improving the quality of the motor base casting; Valves are provided on the side walls of one ends of the discharging pipe, the first conduit 2902 and the second conduit 2903 close to the discharging nozzle 2906, so as to prevent the molten aluminum from entering the first conduit 2902, the discharging pipe and the second conduit 2903 during casting and forming. By making the discharging nozzle 2906, the nozzle 2907 and the air inlet nozzle 2905 located in the mounting hole 2904, the amount of burrs on the motor base after casting and forming is reduced, thus reducing the workload of subsequent grinding. By arranging the heating coil 2909 to heat the mounting sleeve 2908, the discharging pipe is heated, so as to prevent the molten aluminum from solidifying and avoid affecting the next casting use; By making the discharging nozzle 2906, the nozzle 2907 and the air inlet nozzle 2905 all located at the bottom of the upper die body 25, operations such as discharging and air suction are facilitated after the upper die body 25 enters the lower die body 26, which is convenient for actual use; The nozzle 2907, the air inlet nozzle 2905, the discharging nozzle 2906, etc. are all made of high-temperature resistant materials, which is a conventional technology in this technical field and will not be elaborated here; The connecting frame 22 is designed in a bent shape so that there is a space between the inner side of the connecting frame 22 and the top of the upper die base 23; The base 21 is designed in a bent shape so that there is a space inside the base 21 for the positioning rod 291 to move.

[0032] Embodiment Two: Please refer to Figure 6 and Figure 7 , the different technical solution of this embodiment compared with Embodiment One is that the positioning assembly 29 includes: The lower positioning hole 294 is opened at the top end corner of the lower die base 24, and the inner walls of the lower positioning hole 294 are fixedly sleeved with lower positioning sleeves 295 extending to the bottom of the lower die base 24; The upper positioning hole 299 is opened at the top end corner of the upper die base 23. Upper positioning sleeves 297 extending to the top of the upper die base 23 are fixedly sleeved on the inner walls of the upper positioning hole 299. A positioning rod 291 extending to the bottom of the lower positioning sleeve 295 is fixedly sleeved on the inner wall of the upper positioning sleeve 297, thereby fitting and limiting the upper die base 23 and the lower die base 24 to position the fitting of the retaining ring 281 and the limiting groove 202.

[0033] The positioning assembly 29 further includes: The lower positioning disc 292 is sleeved on the outer wall of one end of the lower positioning sleeve 295 located at the bottom of the lower die base 24. Lower positioning members 293 arranged in an annular array are fixedly provided on the top of the lower positioning disc 292 to fix the lower die body 26 to the top of the lower positioning disc 292 through the lower positioning members 293, thereby positioning the lower die body 26. The upper positioning disc 2992 is sleeved on the outer wall of one end of the upper positioning sleeve 297 located at the top of the upper die base 23. Upper positioning members 2991 arranged in an annular array are fixedly provided on the bottom of the upper positioning disc 2992 to fix the upper die body 25 to the bottom of the upper positioning disc 2992 through the upper positioning members 2991, thereby limiting the upper die body 25. The central points of the upper positioning members 2991 and the lower positioning members 293 arranged in an annular array are vertically aligned. Nuts are threadedly connected to the outer walls of one end of the lower positioning sleeve 295 located at the bottom of the lower die base 24 and the outer wall of one end of the upper positioning sleeve 297 located at the top of the upper die base 23 to fix the lower positioning disc 292 and the upper positioning disc 2992 respectively. Lower positioning grooves 298 and upper positioning grooves 296 for installing the lower positioning members 293 and the upper positioning members 2991 are respectively opened at the bottom of the lower die base 24 and the top of the upper die base 23.

[0034] The top of the lower positioning sleeve 295 is located within the lower positioning hole 294, and the bottom of the upper positioning sleeve 297 is located within the upper positioning hole 299. The lower positioning sleeve 295 and the upper positioning sleeve 297 are vertically aligned, and the inner diameters of the inner walls of the lower positioning sleeve 295 and the upper positioning sleeve 297 are the same.

[0035] Lower installation through grooves 241 and upper installation through grooves 231 are respectively opened at the top of the lower die base 24 and the upper die base 23 for sleeving the upper die body 25 and the lower die body 26 respectively, and the lower installation through grooves 241 and the upper installation through grooves 231 are respectively communicated with the lower positioning grooves 298 and the upper positioning grooves 296 to install the upper die body 25 and the lower die body 26.

[0036] In specific implementation, when the upper die holder 23 and the upper die body 25 move downward, they drive the upper positioning sleeve 297 and the positioning rod 291 to move downward along the inner wall of the lower positioning sleeve 295. Since the lower positioning sleeve 295 and the upper positioning sleeve 297 are vertically aligned and the inner wall diameters of the lower positioning sleeve 295 and the upper positioning sleeve 297 are the same, the upper die holder 23 and the lower die holder 24 are positioned, so as to position the retaining ring 281 and the limiting groove 202, and improve the stability of their fitting; The lower die body 26 and the upper die body 25 are respectively fixed on the lower positioning disk 292 and the upper positioning disk 2992 through the lower positioning member 293 and the upper positioning member 2991, and the lower positioning disk 292 and the upper positioning disk 2992 are fixed on the outer walls of the lower positioning sleeve 295 and the upper positioning sleeve 297, so as to position the positions of the lower die body 26 and the upper die body 25, improve the stability of the upper die body 25 being embedded in the lower die body 26, and improve the stability of the casting forming of the motor base. And the top centers of the upper die holder 23 and the lower die holder 24 are designed to be hollow through the upper installation through groove 231 and the lower installation through groove 241, so as to facilitate the installation of the upper die body 25 and the lower die body 26 in the upper die holder 23 and the lower die holder 24 respectively, so as to facilitate the replacement of the upper die body 25 and the lower die body 26 with different sizes to meet the casting of motor bases with different sizes, and facilitate the first auxiliary component 28 and the second auxiliary component 20 to block motor bases with different sizes, improve the applicability, and do not affect the positioning of the positioning component 29; The lower die holder 24 and the upper die holder 23 are provided with spaces for installing the lower positioning member 293 and the upper positioning member 2991 through the upper positioning groove 296 and the lower positioning groove 298, so as to increase the sizes of the lower die body 26 and the upper die body 25 installed in the lower installation through groove 241 and the upper installation through groove 231; The upper positioning sleeve 297 and the lower positioning sleeve 295 are installed through the upper positioning hole 299 and the lower positioning hole 294, so as to avoid blocking the fitting of the upper die holder 23 and the lower die holder 24.

[0037] The embodiment of the present invention also provides a casting process of a casting device based on the machining of a motor base, adopting a casting device based on the machining of a motor base. The method includes the following steps: S1: The hydraulic rod 4 is used to drive the upper die holder 23 and the upper die body 25 to move downward, so as to block between the upper die body 25 and the lower die body 26 through the first auxiliary component 28 and the second auxiliary component 20. During this process, the movement of the upper die holder 23 is limited by the positioning component 29, so as to limit the movement of the first auxiliary component 28 and the second auxiliary component 20, improve the stability of the sealing block, and facilitate the fitting limit of the subsequent upper die body 25 and the lower die body 26, and improve the stability of the casting forming; S2: After blocking the upper die body 25 and the lower die body 26, evacuate the space between the upper die body 25 and the lower die body 26, thereby reducing the air between the upper die body 25 and the lower die body 26, limiting the degree of contact between the molten aluminum and the air, reducing the generation of the aluminum oxide film on the surface of the molten aluminum, reducing the amount of the aluminum oxide film that will fold into a sandwich and be involved in the molten metal, improving the quality of the aluminum alloy casting, and improving the quality of the motor base. Then, input the molten aluminum into the lower die body 26; S3: After inputting the molten aluminum into the lower die body 26, move the upper die body 25 downward and engage it with the lower die body 26, thereby casting and shaping the molten aluminum to cast the motor base. After casting is completed, separate the upper die body 25 from the lower die body 26, and let the staff clamp out the cast motor base to facilitate the next casting operation.

[0038] Meanwhile, the content not detailedly described in this specification belongs to the prior art well-known to those skilled in the art.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A casting device based on motor base processing, comprising a body, a frame arranged on one side of the top of the body, and a hydraulic rod fixed on the top of the frame, and the telescopic shaft of the hydraulic rod extends to the inner side of the frame, characterized in that: The frame also includes a casting mechanism disposed inside the frame for casting a motor base, the casting mechanism including: A connecting frame is fixedly arranged at the bottom of the telescopic shaft of the hydraulic rod, an upper die seat is fixedly arranged at the bottom of the connecting frame by bolts, and an upper die body is detachably arranged inside the upper die seat; The base is fixed on the bottom inner wall of the frame, and a lower die base matched with the upper die base is fixed on the top of the base. A lower die body matched with the upper die body is detachably provided inside the lower die base, and the upper die body is engaged with the lower die body to cast the motor base. A first auxiliary component and a second auxiliary component are respectively provided inside the lower die base and located on the outside of the lower die body and at the bottom of the upper die base and located on the outside of the upper die body to seal between the upper die body and the lower die body.

2. A casting device based on motor base processing according to claim 1, characterized in that: The first auxiliary component comprises: The movable groove is opened at the top of the lower mold base and is located on the outer side of the lower mold body. The first electromagnet is fixedly provided on the inner wall of the bottom of the movable groove, and the second electromagnet is sleeved on the inner wall of the movable groove. The first electromagnet and the second electromagnet are close to each other on the same magnetic pole, and the first electromagnet and the second electromagnet are both designed in a ring shape. The retaining ring is fixed on the top of the second electromagnet and extends to the top of the lower mold base. The second electromagnet cooperates with the upper end stop of the inner wall of the movable groove to limit the retaining ring from separating from the movable groove. A spring is sleeved on the outer wall of the retaining ring and located between the second electromagnet and the top inner wall of the movable groove so that the retaining ring has a tendency to move downward.

3. A casting device based on motor base processing according to claim 2, characterized in that: The upper end of the inner wall of the movable groove is designed to protrude inwardly, so that the second electromagnet is limited by the upper end of the inner wall of the movable groove while the second electromagnet moves along the inner wall of the movable groove; Both sides of the inner wall of the protruding position of the movable groove are fixedly sleeved with first sealing rings arranged at intervals to seal between the retaining ring and the movable groove.

4. A casting device based on motor base processing according to claim 3, characterized in that: The second auxiliary component comprises: The limit seat is fixedly arranged at the bottom of the upper die seat, the limit seat is designed in an annular shape, and the inner wall of the limit seat is sleeved on the outer side of the upper die body. The bottom of the limit seat is provided with a limit groove adapted to the retaining ring, so that the retaining ring is inserted into the limit groove, thereby sealing between the upper die body and the lower die body. Positioning components for positioning the retaining ring and the limit groove are arranged at the top end corners of the upper die seat and the lower die seat; A sealing ring, fixedly sleeved on the outer wall of the upper mold body; The second sealing ring is fixedly sleeved on both sides of the inner wall of the limiting groove to seal between the retaining ring and the limiting groove after the retaining ring is inserted into the limiting groove.

5. A casting device based on motor base processing according to claim 4, characterized in that: The positioning component comprises: The lower positioning hole is formed at the top corner of the lower die base, and the inner wall of the lower positioning hole is fixedly sleeved with a lower positioning sleeve extending to the bottom of the lower die base; The upper positioning hole is opened at the top end corner of the upper die base. The inner wall of the upper positioning hole is fixedly sleeved with an upper positioning sleeve extending to the top of the upper die base. The inner wall of the upper positioning sleeve is fixedly sleeved with a positioning rod extending to the bottom of the lower positioning sleeve, thereby limiting the engagement of the upper die base and the lower die base to position the engagement of the retaining ring and the limiting groove.

6. A casting device based on motor base processing according to claim 5, characterized in that: The positioning component also includes: A lower positioning plate is sleeved on the outer wall of one end of the lower positioning sleeve located at the bottom of the lower die seat, and a lower positioning piece arranged in a circular array is fixed on the top of the lower positioning plate, so that the lower die body is fixed on the top of the lower positioning plate through the lower positioning piece, thereby positioning the lower die body; The upper positioning plate is sleeved on the outer wall of one end of the upper positioning sleeve located at the top of the upper mold base. The bottom of the upper positioning plate is fixedly provided with upper positioning parts arranged in a circular array, so that the upper mold body is fixed to the bottom of the upper positioning plate through the upper positioning parts, thereby limiting the upper mold body. The center points of the upper positioning parts and lower positioning parts arranged in a circular array are vertically aligned. The outer wall of one end of the lower positioning sleeve located at the bottom of the lower mold base and the outer wall of one end of the upper positioning sleeve located at the top of the upper mold base are both threadedly connected with nuts to fix the lower positioning plate and the upper positioning plate respectively. The bottom of the lower mold base and the top of the upper mold base are respectively provided with a lower positioning groove and an upper positioning groove for installing the lower positioning part and the upper positioning part.

7. A casting device based on motor base processing according to claim 6, characterized in that: The top of the lower positioning sleeve is located in the lower positioning hole, the bottom of the upper positioning sleeve is located in the upper positioning hole, the lower positioning sleeve and the upper positioning sleeve are vertically aligned, and the inner wall diameters of the lower positioning sleeve and the upper positioning sleeve are the same.

8. A casting device based on motor base processing according to claim 6, characterized in that: The tops of the lower die base and the upper die base are respectively provided with a lower installation slot and an upper installation slot for respectively sleeved the upper die body and the lower die body, and the lower installation slot and the upper installation slot are respectively connected with the lower positioning slot and the upper positioning slot for installing the upper die body and the lower die body; The connecting frame is designed to be bent so that there is space between the inner side of the connecting frame and the top of the upper mold base; The base is designed to be bent so that a space for the positioning rod to move is reserved inside the base.

9. A casting device based on motor base processing according to claim 8, characterized in that: A mounting hole is provided at the top of the upper mold body, a mounting sleeve is fixedly sleeved on the inner wall of the mounting hole, the bottom of the mounting sleeve is of sealing design, and a discharge nozzle, an air inlet nozzle and a nozzle are fixedly provided at the bottom of the mounting sleeve and located in the mounting hole, and the air inlet nozzle and the nozzle are respectively located on both sides of the discharge nozzle, and a feed pipe, a first conduit and a second conduit extending into the mounting sleeve are respectively fixedly provided on the top of the discharge nozzle, the air inlet nozzle and the nozzle, and the feed pipe, the first conduit and the second conduit extend to the inner side of the connecting frame respectively; A heating coil is fixedly sleeved between the outer wall of the mounting sleeve and the inner wall of the mounting hole.

10. A casting process for a casting device based on motor base processing, characterized in that: Using a casting device based on motor base processing as described in any one of claims 1 to 9, the method comprises the following steps: S1: driving the upper die base and the upper die body downward by means of a hydraulic rod, so as to seal between the upper die body and the lower die body by means of a first auxiliary component and a second auxiliary component; S2: After the upper mold body and the lower mold body are sealed, air is evacuated between the upper mold body and the lower mold body to limit the degree of contact between the aluminum liquid and the air, and then the aluminum liquid is input into the lower mold body; S3: After the aluminum liquid is input into the lower mold body, the upper mold body is moved downward and engaged with the lower mold body, so that the aluminum liquid is cast and formed to cast the motor base.

Images