Motor shell end cover die casting device

Abstract

The invention discloses a motor shell end cover die-casting device, and relates to the technical field of motor end cover machining, the motor shell end cover die-casting device comprises a base, a top plate, a supporting rod and an end cover body, the top plate is located above the base, the supporting rod is fixedly installed between the base and the top plate, and the base is provided with a cleaning mechanism and a pushing mechanism; the cleaning mechanism comprises a mounting plate, two transverse plates, two movable seats, a cutter, a transmission rod and a movable groove, the mounting plate is movably mounted at the top of the base, the two transverse plates are fixedly mounted on the two sides of the mounting plate respectively, and the two movable seats are movably mounted on the two sides of the two transverse plates; the pushing mechanism comprises a pressing rod and a first installation block, the pressing rod is movably installed on the movable base through a spring in an embedded mode, and the first installation block is fixedly installed at the position, corresponding to the pressing rod, of the bottom wall face of the movable base. According to the die-casting die, a water gap is automatically cut off after die-casting is completed, and meanwhile, an end cover body can be automatically discharged after the water gap is cut off.

Description

Technical Field

[0001] The present invention relates to the technical field of motor end cover processing, and in particular to a die-casting device for a motor housing end cover. Background Art

[0002] The motor end cover is a main component of an automotive motor. The motor end cover is manufactured by die-casting. Die-casting is a metal casting process, which is characterized by applying high pressure to the molten metal using the inner cavity of the mold.

[0003] After searching for the Chinese patent with the publication number CN119927164A, it discloses a die-casting forming device for an automotive generator end cover, including a frame. A lower mold base is fixedly installed in the middle of the frame. The generator end cover is placed in the lower mold base. An upper mold base is arranged at the top of the frame. A fixed seat is fixedly connected in the middle of the frame. A pushing mechanism is rotatably connected to the fixed seat. A moving seat is rotatably connected to the pushing mechanism. Two gate cutters are slidably matched in a symmetric structure on the moving seat. A material pushing mechanism is rotatably connected to the moving seat. By setting the gate cutters, after die-casting the automotive generator end cover, while the pushing mechanism drives the moving seat to approach the gate part of the automotive generator end cover, under the action of the guiding groove, the two gate cutters can approach each other to automatically cut the gate part, which can not only improve production efficiency, ensure the quality of the casting, but also reduce the error caused by manual operation.

[0004] However, the above invention has the following deficiencies: Although the above invention can automatically cut the sprue position of the end cover, after cutting the sprue, it is necessary to take out the end cover from the mold interior. At this time, the end cover has a relatively high temperature. If the blanking is carried out immediately, the high temperature is likely to cause damage to the operator. If waiting for the end cover to cool, it will consume more time, affect the production efficiency, and is inconvenient to use. Summary of the Invention

[0005] The purpose of the present invention is to provide a die-casting device for a motor housing end cover to solve the problems raised in the above background art.

[0006] The technical solution of the present invention is: a die-casting device for a motor housing end cover, including a base, a top plate, a support rod, and an end cover body. The top plate is located above the base. The support rod is fixedly installed between the base and the top plate. A cleaning mechanism and a material pushing mechanism are arranged on the base. The cleaning mechanism includes a mounting plate, two cross plates, a movable seat, a cutting tool, a transmission rod, and a movable groove. The mounting plate is movably installed on the top of the base. The two cross plates are respectively fixedly installed on both sides of the mounting plate. The two movable seats are movably installed on both sides of the two cross plates. The two cutting tools are respectively fixedly installed on the two movable seats; The material pushing mechanism includes: The compression bar and the first mounting block. The compression bar is movably mounted on the movable seat by means of a spring inlay, and the first mounting block is fixedly mounted on the bottom wall of the movable seat at the position corresponding to the compression bar. The fixed seat, the push rod and the connecting shaft. There are two fixed seats in total. The two fixed seats are respectively fixedly mounted on the top of the first mounting block and the bottom of the compression bar, and the two fixed seats are staggered with each other. The two push rods are arranged vertically between the first mounting block and the compression bar. There are three connecting shafts in total. The three connecting shafts are respectively movably mounted on the two fixed seats and between the two push rods. The two push rods are respectively movably connected to the two fixed seats through the two connecting shafts, and the two push rods are movably connected to each other through the connecting shaft. The first limiting block. The first limiting block is fixedly mounted on the side wall of the first mounting block at the position corresponding to the connection of the two push rods.

[0007] Preferably, the two transmission rods are respectively fixedly mounted on the bottoms of the two movable seats. The two movable grooves are both opened on the top wall of the base, and the two movable grooves gradually approach each other in the direction of the lower die base. The bottom parts of the two transmission rods are respectively located inside the two movable grooves. A driving mechanism is also arranged on the base.

[0008] Preferably, the driving mechanism includes a driving motor, a driving groove, a driving shaft and a driving block. The driving motor is fixedly mounted on the side wall of the base. The driving groove is opened on the top wall of the base. The driving shaft is a cylindrical structure with threads. The driving shaft is movably mounted inside the driving groove, and one end of the driving shaft is fixedly connected to the output end of the driving motor. The driving block is movably mounted inside the driving groove. The driving shaft penetrates through the side wall of the driving block and is threadedly connected to the driving block, and the mounting plate is fixedly connected to the driving block.

[0009] Preferably, an upper mold is arranged below the top plate. A lower die base is fixedly mounted on the top of the base. The end cover body is formed between the upper mold and the lower die base. A plurality of cylinders are inlaid and mounted on the top plate. A feed pipe is inlaid and mounted on the top plate. The bottom of the support rod is fixedly mounted with a support foot.

[0010] Preferably, a limiting groove is opened on the mounting plate. A second limiting block is movably mounted inside the limiting groove. The second limiting block is fixedly connected to the movable seat. The movable seat is movably mounted on the mounting plate through the limiting groove and the second limiting block. A reset rod is fixedly mounted on the side wall of the movable seat at the position corresponding to the cross plate. The reset rod penetrates through the side wall of the cross plate, and a reset spring is sleeved on the reset rod.

[0011] Preferably, a collecting mechanism is arranged on the cleaning mechanism. The collecting mechanism includes a first blanking groove, a blanking port, a blanking box, a collecting box, a second blanking groove and a blocking block. The first blanking groove is opened on the side wall of the two movable seats close to each other. The blanking port is opened on the bottom wall of the movable seat close to the mounting plate. The blanking port extends upward to communicate with the inside of the first blanking groove. The blanking box is fixedly mounted on the side wall of the mounting plate at the position corresponding to the blanking port.

[0012] Preferably, the collection box is fixedly installed on the other side wall surface of the mounting plate. The second blanking groove is opened on the mounting plate and the collection box. The second blanking groove communicates with the inside of the blanking box and the collection box. The stopper is fixedly installed on the cutting tool.

[0013] Preferably, a sealing ring is fixedly installed on the inner wall of the upper mold. An arc-shaped groove adapted to the sealing ring is opened on the lower mold base. A blanking seat is fixedly installed on the top of the base corresponding to one side of the arc-shaped groove, and the top wall surface inside the blanking seat is an inclined surface.

[0014] Preferably, a connecting seat is arranged between the blanking seat and the lower mold base. An installation groove is opened on the top of the base corresponding to the position of the connecting seat. The connecting seat is movably installed inside the installation groove. An installation spring is movably installed inside the installation groove, and the installation spring is connected to the connecting seat.

[0015] Preferably, a positioning mechanism is arranged on the upper mold. The positioning mechanism includes two second mounting blocks, a fixing plate, a transmission gear and a transmission rack. The second mounting blocks are fixedly installed at positions close to the lower part on the side wall of the upper mold. The fixing plate is movably installed on the second mounting blocks through a torsion spring shaft. The transmission gear is arranged on one side of the second mounting blocks. The transmission gear is fixedly connected to the torsion spring shaft inside the second mounting blocks. The transmission rack is vertically and fixedly installed on the top of the base. The transmission rack meshes with the transmission gear.

[0016] The present invention provides a die-casting device for the end cover of a motor housing through improvement. Compared with the prior art, it has the following improvements and advantages: First: By providing a cleaning mechanism and a driving mechanism, the driving mechanism can drive the mounting plate to move on the base. When the mounting plate moves, the transmission rod will move inside the movable groove. When the transmission rod moves to a position close to the end cover body in the movable groove, the movable groove changes. At this time, the two transmission rods will be driven to approach each other, thereby driving the two movable seats to approach each other. At this time, the cutting tool just moves to the position of the sprue on the end cover body. The two cutting tools approach each other to cut off the sprue of the end cover body, so as to achieve the effect of automatically cutting off the sprue after die-casting.

[0017] Second: The present invention is provided with a blanking mechanism. After the cleaning mechanism cuts off the sprue of the end cover body, the upper die can continue to be driven downward by the cylinder. After the upper die moves downward, it will squeeze the pressure rod. After being squeezed, the pressure rod will move downward inside the movable seat. Since the bottom of the pressure rod is movably installed with a push rod through a fixed seat, and the two push rods are movably connected through a connecting shaft, under the limitation of the first limiting block, when the pressure rod moves downward, the two push rods will bend toward the end cover body. The bending of the push rod can squeeze the end cover body, and the end cover body will move to one side under the squeeze, thus achieving the effect of automatically blanking after cutting off the sprue.

[0018] Third: Through the setting of the collection mechanism in the present invention, after the cutting tool cuts off the sprue, the cut-off sprue can enter the inside of the first blanking groove, then move to the position of the blanking port, and then can fall into the inside of the blanking box through the blanking port, and then can fall into the inside of the collection box through the second blanking groove to be collected, thus achieving the effect of automatically collecting the cut-off sprue.

[0019] Fourth: Through the setting of the positioning mechanism in the present invention, when cutting off the sprue of the end cover body, when the upper die moves upward, the transmission gear will move on the transmission rack, and then can drive the torsion spring shaft inside the second mounting block to rotate. The torsion spring shaft can then drive the fixed plate to turn downward. The downward turning of the fixed plate will squeeze and fix the end cover body. At this time, the cleaning mechanism can cut off the sprue. When blanking, the upper die moves downward, and the fixed plate will turn upward and separate from the end cover body, which will not affect the blanking of the end cover body, thus achieving the effect of automatically fixing the end cover body when cutting off the sprue, and avoiding the situation that the end cover body moves during cutting, resulting in a poor cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a schematic diagram of the overall structure in the present invention; Figure 2 It is a cross-sectional view of the internal structure before use in the present invention; Figure 3 It is a schematic diagram of the structure of the material pushing mechanism in the present invention; Figure 4 It is in the present invention Figure 3 The enlarged view at A; Figure 5 Internal structural sectional view during use in the present invention; Figure 6 In the present invention Figure 5 Enlarged view of position B in Figure 7 In the present invention Figure 1 Enlarged view of position C in

[0022] Reference numerals: 1, base; 2, top plate; 3, support rod; 4, upper mold; 5, lower mold base; 6, cylinder; 7, feed pipe; 8, mounting plate; 9, cross plate; 10, movable seat; 11, cutting tool; 12, transmission rod; 13, movable groove; 14, pressing rod; 15, mounting block 1; 16, fixed seat; 17, push rod; 18, connecting shaft; 19, limiting block 1; 20, end cover body; 21, driving motor; 22, driving groove; 23, driving shaft; 24, driving block; 25, limiting groove; 26, limiting block 2; 27, blanking groove 1; 28, blanking port; 29, blanking box; 30, collection box; 31, blanking groove 2; 32, reset rod; 33, reset spring; 34, stopper; 35, sealing ring; 36, blanking seat; 37, connecting seat; 38, mounting groove; 39, mounting spring; 40, support foot; 41, mounting block 2; 42, fixing plate; 43, transmission gear; 44, transmission rack. Detailed implementation manners

[0023] The present invention will be described in detail below. The technical solutions in the embodiments of the present invention are clearly and completely described. 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] The present invention provides a die-casting device for a motor housing end cover by making improvements. The technical solution of the present invention is: As Figures 1 to 7As shown in the figure, an embodiment of the present invention provides a die-casting device for the end cover of a motor housing, including a base 1, a top plate 2, support rods 3, and an end cover body 20. Both the base 1 and the top plate 2 are rectangular structures. The top plate 2 is located above the base 1. There are multiple support rods 3, and the multiple support rods 3 are evenly distributed and fixedly installed between the base 1 and the top plate 2. A support foot 40 is fixedly installed at the bottom of the support rod 3. A top die 4 is arranged below the top plate 2, and a bottom die base 5 is fixedly installed on the top of the base 1. The end cover body 20 is formed between the top die 4 and the bottom die base 5. Multiple cylinders 6 are inlaid and installed on the top plate 2, and the output ends of the multiple cylinders 6 are fixedly connected to the top die 4. A feed pipe 7 is inlaid and installed on the top plate 2. The feed pipe 7 is a telescopic tubular structure. The bottom of the feed pipe 7 is fixedly connected and communicated with the top die 4, and the other end of the feed pipe 7 is connected to an external feeding mechanism. During die-casting, first, the cylinder 6 is started, and the cylinder 6 drives the top die 4 to move downward. After the top die 4 moves downward and fits with the bottom die base 5, at this time, the material can be injected between the top die 4 and the bottom die base 5 through the feed pipe 7. Subsequently, after cooling, the end cover of the motor housing can be formed. A cleaning mechanism and a material pushing mechanism are arranged on the base 1; The cleaning mechanism includes a mounting plate 8, a cross plate 9, a movable seat 10, a cutting tool 11, a transmission rod 12, and a movable groove 13. The mounting plate 8 is a rectangular plate. The mounting plate 8 is movably installed on the top of the base 1. There are two cross plates 9, a movable seat 10, a cutting tool 11, a transmission rod 12, and a movable groove 13. The cross plate 9 is a rectangular plate. The two cross plates 9 are respectively fixedly installed on both sides of the mounting plate 8. The two movable seats 10 are movably installed on both sides of the two cross plates 9. The cutting tool 11 is a triangular structure. The two cutting tools 11 are respectively fixedly installed on the two movable seats 10. The transmission rod 12 is a cylindrical rod. The two transmission rods 12 are respectively fixedly installed at the bottoms of the two movable seats 10. The movable groove 13 is a rectangular groove. The two movable grooves 13 are both opened on the top wall surface of the base 1, and the two movable grooves 13 gradually approach the bottom die base 5. The bottoms of the two transmission rods 12 are respectively located inside the two movable grooves 13. A driving mechanism is also arranged on the base 1; The driving mechanism includes a driving motor 21, a driving groove 22, a driving shaft 23 and a driving block 24. The driving motor 21 is fixedly installed on the side wall of the base 1. The driving groove 22 is a groove with a rectangular structure, and the driving groove 22 is opened on the top wall surface of the base 1. The driving shaft 23 is a cylindrical structure with threads, and the driving shaft 23 is movably installed inside the driving groove 22, and one end of the driving shaft 23 is fixedly connected to the output end of the driving motor 21. The driving block 24 is a block with a rectangular structure, and the driving block 24 is movably installed inside the driving groove 22. The driving shaft 23 penetrates through the side wall of the driving block 24 and is threadedly connected to the driving block 24, and the mounting plate 8 is fixedly connected to the driving block 24. When the driving motor 21 is started, the driving motor 21 drives the driving shaft 23 to rotate. The rotation of the driving shaft 23 can drive the driving block 24 to move inside the driving groove 22, and then drive the mounting plate 8 to move. When the mounting plate 8 moves, the transmission rod 12 will move inside the movable groove 13. When the transmission rod 12 moves to a position close to the end cover body 20 in the movable groove 13, the movable groove 13 changes. At this time, the two transmission rods 12 will be driven to approach each other, and then drive the two movable seats 10 to approach each other. At this time, the cutting tool 11 just moves to the position of the water inlet on the end cover body 20. The two cutting tools 11 approaching each other can cut off the water inlet of the end cover body 20, so as to achieve the effect of automatically cutting off the water inlet after die casting is completed; The material pushing mechanism includes a pressure rod 14, a first mounting block 15, a fixed seat 16, a push rod 17, a connecting shaft 18 and a first limiting block 19. The pressure rod 14 is an "L"-shaped block, and the pressure rod 14 is movably installed on the movable seat 10 by being embedded with a spring. The first mounting block 15 is an "L"-shaped block, and the first mounting block 15 is fixedly installed at the position corresponding to the pressure rod 14 on the bottom wall of the movable seat 10. There are two fixed seats 16 in total. The two fixed seats 16 are respectively fixedly installed on the top of the first mounting block 15 and the bottom of the pressure rod 14, and the two fixed seats 16 are staggered with each other. The push rod 17 is of a strip-shaped structure. The two push rods 17 are arranged up and down between the first mounting block 15 and the pressure rod 14. The connecting shaft 18 is of a cylindrical structure. There are three connecting shafts 18 in total. The three connecting shafts 18 are respectively movably installed on the two fixed seats 16 and between the two push rods 17. The two push rods 17 are respectively movably connected to the two fixed seats 16 through the two connecting shafts 18, and the two push rods 17 are movably connected to each other through the connecting shaft 18. The first limiting block 19 is a triangular block, and the first limiting block 19 is fixedly installed on the side wall of the first mounting block 15 at the position corresponding to the connection of the two push rods 17. Through the setting of the material pushing mechanism, after the cleaning mechanism cuts off the water inlet of the end cover body 20, at this time, the cylinder 6 can continue to drive the upper mold 4 to move downward. After the upper mold 4 moves downward, it will squeeze the pressure rod 14. After the pressure rod 14 is squeezed, it will move downward inside the movable seat 10. Since the bottom of the pressure rod 14 is movably installed with the push rod 17 through the fixed seat 16, and the two push rods 17 are movably connected through the connecting shaft 18, under the limitation of the first limiting block 19, when the pressure rod 14 moves downward, the two push rods 17 will bend towards the direction of the end cover body 20. The bending of the push rod 17 can squeeze the end cover body 20, and the end cover body 20 will move towards one side after being squeezed, thus achieving the effect of automatically discharging materials after cutting off the water inlet.

[0025] A limiting groove 25 is formed on the mounting plate 8. The limiting groove 25 is a groove with a rectangular structure. A second limiting block 26 is movably installed inside the limiting groove 25. The second limiting block 26 is a block with a rectangular structure. The second limiting block 26 is fixedly connected to the movable seat 10. The movable seat 10 is movably installed on the mounting plate 8 through the limiting groove 25 and the second limiting block 26. A reset rod 32 is fixedly installed on the side wall of the movable seat 10 at the position corresponding to the cross plate 9. The reset rod 32 is of a cylindrical structure. The reset rod 32 penetrates through the side wall of the cross plate 9, and a reset spring 33 is sleeved on the reset rod 32. The reset rod 32 and the reset spring 33 can drive the movable seat 10 and the cutting tool 11 to reset.

[0026] A collecting mechanism is arranged on the cleaning mechanism. The collecting mechanism includes a first discharge chute 27, a discharge opening 28, a discharge box 29, a collecting box 30, a second discharge chute 31 and a stop block 34. The first discharge chute 27 is a triangular chute, which is opened on the side wall surfaces of two movable seats 10 close to each other. The discharge opening 28 is a rectangular groove, which is opened on the bottom wall surface of the movable seat 10 close to the mounting plate 8, and extends upward to communicate with the inside of the first discharge chute 27. The discharge box 29 is a hollow trapezoidal structure, and is fixedly installed on the side wall of the mounting plate 8 corresponding to the position of the discharge opening 28. The collecting box 30 is a hollow rectangular structure, and is fixedly installed on the other side wall surface of the mounting plate 8. The second discharge chute 31 is an inclined rectangular chute, which is opened on the mounting plate 8 and the collecting box 30, and communicates with the inside of the discharge box 29 and the collecting box 30. The stop block 34 is a triangular block, which is fixedly installed on the cutting tool 11. Through the setting of the collecting mechanism, after the cutting tool 11 cuts off the water inlet, the cut-off water inlet can enter the inside of the first discharge chute 27, then move to the position of the discharge opening 28, and then can fall into the inside of the discharge box 29 through the discharge opening 28, and then can fall into the inside of the collecting box 30 through the second discharge chute 31 to be collected, thus achieving the effect of automatically collecting the cut-off water inlet.

[0027] A sealing ring 35 is fixedly installed on the inner wall of the upper die 4. The sealing ring 35 is an arc-shaped block. An arc-shaped groove adapted to the sealing ring 35 is opened on the lower die base 5. The arc-shaped groove is used for the feeding of the end cover body 20. The sealing ring 35 can seal the arc-shaped groove during die casting. A feeding seat 36 is fixedly installed on the top of the base 1 corresponding to one side of the arc-shaped groove. The feeding seat 36 is a hollow rectangular structure, and the top wall surface inside the feeding seat 36 is an inclined surface. A connecting seat 37 is arranged between the feeding seat 36 and the lower die base 5. The connecting seat 37 is an arc-shaped block. An installation groove 38 is opened on the top of the base 1 corresponding to the position of the connecting seat 37. The installation groove 38 is an arc-shaped groove. The connecting seat 37 is movably installed inside the installation groove 38. An installation spring 39 is movably installed inside the installation groove 38. The installation spring 39 is connected to the connecting seat 37. When the upper die 4 moves downward to fit with the lower die base 5, the connecting seat 37 will be squeezed by the upper die 4 and move into the inside of the installation groove 38. During feeding, the connecting seat 37 will move between the lower die base 5 and the feeding seat 36 under the action of the installation spring 39, so that the end cover body 20 can smoothly move between the lower die base 5 and the feeding seat 36, ensuring the smoothness during feeding.

[0028] A positioning mechanism is provided on the upper die 4. The positioning mechanism includes two second mounting blocks 41, a fixing plate 42, a transmission gear 43, and a transmission rack 44. The second mounting blocks 41 are fixedly installed at positions near the lower part of the side wall of the upper die 4. The fixing plate 42 is a rectangular plate. The fixing plate 42 is movably installed on the second mounting blocks 41 through a torsion spring shaft. The transmission gear 43 is arranged on one side of the second mounting blocks 41. The transmission gear 43 is fixedly connected to the torsion spring shaft inside the second mounting blocks 41. The transmission rack 44 is vertically and fixedly installed on the top of the base 1. The transmission rack 44 meshes with the transmission gear 43. Through the setting of the positioning mechanism, when the upper die 4 moves upward during the sprue cutting of the end cap body 20, the transmission gear 43 will move on the transmission rack 44, and then the torsion spring shaft inside the second mounting blocks 41 can be driven to rotate. The torsion spring shaft can then drive the fixing plate 42 to turn downward. When the fixing plate 42 turns downward, it will squeeze and fix the end cap body 20. At this time, the cleaning mechanism can perform sprue cutting. When discharging, the upper die 4 moves downward, and the fixing plate 42 will turn upward and separate from the end cap body 20, which will not affect the discharging of the end cap body 20. Thus, the effect of automatically fixing the end cap body 20 during sprue cutting is achieved, and the situation that the end cap body 20 moves during cutting, resulting in a poor cutting effect, is avoided.

[0029] Specific implementation steps: During die casting, first start the cylinder 6. The cylinder 6 drives the upper die 4 to move downward. After the upper die 4 moves downward and fits with the lower die base 5, at this time, the material can be injected between the upper die 4 and the lower die base 5 through the feed pipe 7, and then the motor housing end cap can be formed after cooling. At the same time, by providing a cleaning mechanism, a driving mechanism, and a discharging mechanism, the driving mechanism can drive the mounting plate 8 to move on the base 1. When the mounting plate 8 moves, the transmission rod 12 will move inside the moving groove 13. When the transmission rod 12 moves to a position near the end cap body 20 in the moving groove 13, the moving groove 13 changes. At this time, the two transmission rods 12 will be driven to approach each other, and then drive the two movable seats 10 to approach each other. At this time, the cutting tool 11 just moves to the position of the sprue on the end cap body 20. When the two cutting tools 11 approach each other, the sprue of the end cap body 20 can be cut off. Thus, the effect of automatically cutting off the sprue after die casting is achieved. After the cleaning mechanism cuts off the sprue of the end cover body 20, the air cylinder 6 can continue to drive the upper die 4 to move downward. After the upper die 4 moves downward, it will squeeze the pressure rod 14. After being squeezed, the pressure rod 14 will move downward inside the movable seat 10. Since the bottom of the pressure rod 14 is movably installed with a push rod 17 through a fixed seat 16, and the two push rods 17 are movably connected by a connecting shaft 18, under the limitation of the first limiting block 19, when the pressure rod 14 moves downward, the two push rods 17 will bend toward the end cover body 20. The bending of the push rod 17 can squeeze the end cover body 20, and the end cover body 20 will move toward one side under the squeeze, thus achieving the effect of automatic blanking after cutting off the sprue.

[0030] The foregoing description enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A die-casting device for the end cover of a motor housing, comprising a base (1), a top plate (2), a support rod (3) and an end cover body (20). The top plate (2) is located above the base (1), and the support rod (3) is fixedly installed between the base (1) and the top plate (2). It is characterized in that: A cleaning mechanism and a material pushing mechanism are provided on the base (1). The cleaning mechanism includes a mounting plate (8), two cross plates (9), a movable seat (10), a cutting tool (11), a transmission rod (12), and a movable groove (13). The mounting plate (8) is movably mounted on the top of the base (1). The two cross plates (9) are respectively fixedly mounted on both sides of the mounting plate (8). The two movable seats (10) are movably mounted on both sides of the two cross plates (9). The two cutting tools (11) are respectively fixedly mounted on the two movable seats (10). The material pushing mechanism includes: a pressure rod (14) and a first mounting block (15). The pressure rod (14) is movably mounted on the movable seat (10) by means of a spring inlay. The first mounting block (15) is fixedly mounted on the bottom wall of the movable seat (10) at a position corresponding to the pressure rod (14). a fixed seat (16), a push rod (17), and a connecting shaft (18). There are two fixed seats (16) in total. The two fixed seats (16) are respectively fixedly mounted on the top of the first mounting block (15) and the bottom of the pressure rod (14), and the two fixed seats (16) are staggered with each other. The two push rods (17) are arranged up and down between the first mounting block (15) and the pressure rod (14). There are three connecting shafts (18) in total. The three connecting shafts (18) are respectively movably mounted on the two fixed seats (16) and between the two push rods (17). The two push rods (17) are respectively movably connected to the two fixed seats (16) through the two connecting shafts (18). The two push rods (17) are movably connected to each other through the connecting shaft (18). a first limiting block (19). The first limiting block (19) is fixedly mounted on the side wall of the first mounting block (15) at a position corresponding to the connection of the two push rods (17).

2. The die-casting device for the end cover of the motor housing according to claim 1, wherein: The two transmission rods (12) are respectively fixedly mounted on the bottoms of the two movable seats (10). The two movable grooves (13) are both opened on the top wall of the base (1), and the two movable grooves (13) gradually approach the lower die holder (5). The bottoms of the two transmission rods (12) are respectively located inside the two movable grooves (13). A driving mechanism is also provided on the base (1).

3. The die-casting device for the end cover of the motor housing according to claim 2, wherein: The driving mechanism includes a driving motor (21), a driving groove (22), a driving shaft (23), and a driving block (24). The driving motor (21) is fixedly mounted on the side wall of the base (1). The driving groove (22) is opened on the top wall of the base (1). The driving shaft (23) is a cylindrical structure with threads. The driving shaft (23) is movably mounted inside the driving groove (22), and one end of the driving shaft (23) is fixedly connected to the output end of the driving motor (21). The driving block (24) is movably mounted inside the driving groove (22). The driving shaft (23) penetrates the side wall of the driving block (24) and is threadedly connected to the driving block (24), and the mounting plate (8) is fixedly connected to the driving block (24).

4. A die-casting device for the end cover of a motor housing according to claim 1, characterized in that: Below the said top plate (2), there is an upper mold (4). A lower mold base (5) is fixedly installed on the top of the base (1). The end cover body (20) is formed between the upper mold (4) and the lower mold base (5). A plurality of cylinders (6) are inlaid and installed on the top plate (2), and a feed pipe (7) is inlaid and installed on the top plate (2). The bottom of the support rod (3) is fixedly installed with a support foot (40).

5. A die-casting device for the end cover of a motor housing according to claim 1, characterized in that: A limiting groove (25) is opened on the said mounting plate (8). A second limiting block (26) is movably installed inside the limiting groove (25). The second limiting block (26) is fixedly connected to the movable seat (10). The movable seat (10) is movably installed on the mounting plate (8) through the limiting groove (25) and the second limiting block (26). A reset rod (32) is fixedly installed on the side wall of the movable seat (10) corresponding to the position of the cross plate (9). The reset rod (32) penetrates through the side wall of the cross plate (9), and a reset spring (33) is sleeved on the reset rod (32).

6. The die-casting device for the end cover of the motor housing according to claim 1, characterized in that: A collection mechanism is arranged on the said cleaning mechanism. The collection mechanism includes a first blanking groove (27), a blanking port (28), a blanking box (29), a collection box (30), a second blanking groove (31), and a stop block (34). The first blanking groove (27) is opened on the side wall surfaces of the two movable seats (10) close to each other. The blanking port (28) is opened on the bottom wall surface of the movable seat (10) close to the mounting plate (8). The blanking port (28) extends upward to communicate with the inside of the first blanking groove (27). The blanking box (29) is fixedly installed on the side wall of the mounting plate (8) corresponding to the position of the blanking port (28).

7. A die-casting device for the end cover of a motor housing according to claim 6, characterized in that: The said collection box (30) is fixedly installed on the other side wall surface of the mounting plate (8). The second blanking groove (31) is opened on the mounting plate (8) and the collection box (30). The second blanking groove (31) communicates the inside of the blanking box (29) and the collection box (30). The stop block (34) is fixedly installed on the cutting tool (11).

8. A die-casting device for the end cover of a motor housing according to claim 4, characterized in that: A sealing ring (35) is fixedly installed on the inner wall of the said upper mold (4). An arc-shaped groove adapted to the sealing ring (35) is opened on the lower mold base (5). A blanking seat (36) is fixedly installed on the top of the base (1) corresponding to one side of the arc-shaped groove, and the top wall surface inside the blanking seat (36) is an inclined surface.

9. The die-casting device for the end cover of a motor housing according to claim 8, characterized in that: A connecting seat (37) is arranged between the said blanking seat (36) and the lower mold base (5). An installation groove (38) is opened on the top of the base (1) corresponding to the position of the connecting seat (37). The connecting seat (37) is movably installed inside the installation groove (38). An installation spring (39) is movably installed inside the installation groove (38), and the installation spring (39) is connected to the connecting seat (37).

10. A die-casting device for the end cover of a motor housing according to claim 4, characterized in that: A positioning mechanism is provided on the upper die (4). The positioning mechanism includes two second mounting blocks (41), a fixing plate (42), a transmission gear (43), and a transmission rack (44). The second mounting blocks (41) are fixedly installed at a position near the lower side of the side wall of the upper die (4). The fixing plate (42) is movably installed on the second mounting blocks (41) through a torsion spring shaft. The transmission gear (43) is arranged on one side of the second mounting blocks (41), and the transmission gear (43) is fixedly connected to the torsion spring shaft inside the second mounting blocks (41). The transmission rack (44) is vertically and fixedly installed on the top of the base (1), and the transmission rack (44) meshes with the transmission gear (43).

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