Pot forming anti-deviation die casting device

Abstract

The application discloses a pot forming anti-deviation die casting device and relates to the technical field of pot die casting. The device comprises a base, a fixed mold arranged above the base, a supporting frame fixedly connected to one side of the fixed mold, a liquid injector fixedly installed on the base, a liquid injection pipe fixedly connected to the liquid injector, and the liquid injector is fixedly communicated with the fixed mold through the liquid injection pipe. The device is provided with linkage mechanisms such as an anti-deviation cavity, a wedge block, a sealing frame and a sealing groove. In the initial stage of mold closing, the wedge block pushes the sealing frame to extend into the sealing groove to realize preliminary sealing. In the late stage of mold closing, the sealing frame continues to move horizontally with the movable mold to reversely push the wedge block to move upwards and drive the tooth plate to move upwards to lock the gear. When the mold is completely closed, the centering and locking and complete sealing are simultaneously realized. When the mold is opened, the device is automatically reset. The device has the advantages of high integration degree of the overall structure, high centering precision, good anti-deviation effect, automatic locking of the centering state, reliable sealing, effective guarantee of the size precision of pot die casting forming and product quality.

Description

Technical Field

[0001] This invention relates to the field of cookware die casting technology, specifically to a cookware forming anti-deviation die casting device. Background Technology

[0002] Die casting is a key process in the manufacturing of metal cookware. Molten metal cools and solidifies within a cavity formed by the closing of a moving mold and a fixed mold. The alignment accuracy of the moving and fixed molds directly determines the dimensional accuracy, coaxiality, and appearance quality of the cookware. Existing die casting devices often employ simple guide post and guide sleeve structures for mold closing guidance. Hydraulic cylinders are rigidly connected to the moving mold via hydraulic rods and directly push the moving mold to close. However, ordinary guide posts and guide sleeves can only restrict the radial movement of the moving mold, not its circumferential torsion. During mold closing, the moving mold is prone to torsional displacement, leading to circumferential misalignment between the moving mold and the fixed mold cavity. This results in burrs, uneven wall thickness, or even scrap after the cookware is formed.

[0003] Therefore, the present invention proposes a die-casting device for preventing displacement during cookware forming. Summary of the Invention

[0004] The purpose of this invention is to provide a die-casting device for preventing displacement during cookware forming, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cookware forming anti-deviation die-casting device, comprising a base, a fixed mold disposed above the base, a support frame fixedly connected to one side of the fixed mold, the support frame fixedly mounted on the base, a liquid injector fixedly mounted on the base, a liquid injector fixedly connected to a liquid injector, the liquid injector being fixedly connected to the fixed mold via the liquid injector, a guide post extending through and fixedly connected to the fixed mold, a moving mold extending through and slidably connected to the guide post, a hydraulic rod connected to the side of the moving mold away from the fixed mold via a movable component, a hydraulic cylinder fixedly mounted on one side of the hydraulic rod, an mounting frame fixedly mounted on the base, and the hydraulic cylinder fixedly mounted on the mounting frame; Preferably, a guide sleeve extends through and is fixedly connected to each of the four corners of the end face of the moving mold. There are four guide posts, and each guide post extends through and is slidably connected to a guide sleeve. The outer sidewall of the guide post is provided with multiple corner grooves at equal intervals in an annular shape. The inner sidewall of the guide sleeve is fixedly connected with multiple corner strips at equal intervals in an annular shape. The corner strips extend through and are slidably connected to the corner grooves.

[0006] Preferably, a guide frame is fixedly connected to the outer wall of the moving mold, the guide frame is matched with the fixed mold, and a guide ramp is provided on the inner side of the end of the guide frame facing the fixed mold.

[0007] Preferably, the movable component includes a rectangular groove, which is located at the center of one side of the moving mold. A positioning block is movably connected inside the rectangular groove. An interference groove is formed on the rectangular groove. A hydraulic rod is fixedly connected to the positioning block. The hydraulic rod extends through the interference groove and is slidably connected to the interference groove. The front and rear sides of the positioning block are in contact with the rectangular groove. Gaps are provided between the upper and lower sides and the left and right sides of the positioning block and the inner surface of the rectangular groove. The hydraulic rod is rectangular, and gaps are also provided between the upper and lower sides and the left and right sides of the hydraulic rod and the interference groove.

[0008] Preferably, a displacement sensor is embedded and fixedly installed at the center of the inner surface sidewall of the rectangular groove, and a displacement trigger is embedded and fixedly installed at the center of the sidewall of the positioning block. The displacement sensor and the displacement trigger are in contact, and the displacement sensor can sense the position coordinates of the displacement trigger in real time.

[0009] Preferably, a groove is provided on the inner side wall of the guide frame, and a sliding rod is provided on each of the four sides of the inner surface of the groove. Each sliding rod extends through and is symmetrically rotatably connected to a fixing block. The fixing block is fixedly connected to the bottom of the inner surface of the groove. A bevel gear pair is movably connected between two adjacent sliding rods. A gear extends through and is fixedly connected to the middle of each sliding rod. Each gear is meshed with a toothed plate. A toothed cavity is provided at the center of each of the four sides of the outer side wall of the fixed mold. Each toothed plate is located in a toothed cavity. An anti-locking component is provided between each toothed plate and the toothed cavity.

[0010] Preferably, the anti-lock device includes a frame plate, the toothed plate is embedded and fixedly installed at the center of the frame plate, and a T-shaped slider extends through and is slidably connected to each of the four sides of the frame plate. The T-shaped slider is fixedly connected to the bottom of the inner surface of the toothed cavity. A plurality of first springs are fixedly connected to the bottom of the inner surface of the frame plate. The plurality of first springs are fixedly connected to the bottom of the inner surface of the toothed cavity.

[0011] Preferably, a sealing frame is movably connected to one side of the fixed mold, and a sealing groove is provided on the inner surface sidewall of the moving mold. One end of the sealing frame extends into the sealing groove and is slidably connected to the sealing groove. The matching arrangement of the sealing frame and the sealing groove can reduce heat loss during the molding of the molded pot.

[0012] Preferably, the bottom of the tooth cavity is provided with an anti-deviation cavity, and a wedge is fixedly connected to the bottom of the frame plate. The lower end of the wedge extends through into the anti-deviation cavity and is slidably connected to the anti-deviation cavity. The end of the sealing frame away from the sealing groove extends into the anti-deviation cavity and is slidably connected to the anti-deviation cavity. A connecting plate is fixedly connected to the upper side of the end of the sealing frame that extends into the anti-deviation cavity. Multiple T-shaped crossbars extend through and are slidably connected to the connecting plate. The T-shaped crossbars are fixedly connected to the top of one side of the anti-deviation cavity. A second spring is sleeved on each T-shaped crossbar. One end of the second spring is fixedly connected to the T-shaped crossbar, and the other end of the second spring is fixedly connected to the connecting plate.

[0013] Preferably, the side of the sealing frame that extends into the anti-displacement cavity is an inclined slope, and the lower end of the wedge is also set as an inclined slope, and the inclined slope of the sealing frame and the inclined slope of the wedge match.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. When the moving mold is closed by the hydraulic cylinder, the guide sleeves fixedly connected at the four corners of the end face of the moving mold are respectively fitted into the four guide posts on the fixed mold and slide along the guide posts. The multiple corner grooves opened in a ring at equal intervals on the outer side wall of the guide post cooperate with the multiple corner strips fixedly connected in a ring at equal intervals on the inner side wall of the guide sleeve. The corner strips penetrate into the corner grooves and slide along the corner grooves. The spline-type cooperation structure of the corner grooves and corner strips effectively restricts the circumferential rotation of the guide sleeve relative to the guide post, prevents the moving mold from twisting and shifting during the mold closing process, ensures that the circumferential position of the cavity of the moving mold and the fixed mold always corresponds accurately, and avoids the misalignment or flash defects of the pot forming caused by the twisting of the moving mold. 2. When the moving mold moves to the fixed mold, the guide frame fixedly connected to the outer wall of the moving mold moves synchronously with the moving mold. The guide ramp set on the inner side of the guide frame facing the fixed mold first contacts the outer wall of the fixed mold. The inclined surface of the guide ramp generates a lateral guiding force on the outer wall of the fixed mold, guiding the moving mold to perform rough alignment in the early stage of mold closing, so that the central axis of the moving mold and the fixed mold are roughly coincident, creating conditions for subsequent fine guidance and precise alignment, and avoiding the guide post and guide sleeve from getting stuck or collided and damaged due to excessive initial offset. 3. In this invention, the hydraulic rod is floatingly connected to the moving mold via a movable component. The positioning block, which is fixedly connected to the end of the hydraulic rod, is movably disposed in a rectangular groove at the center of the end face of the moving mold. The front and rear sides of the positioning block are in contact with the inner wall of the rectangular groove, and gaps are left between the upper and lower sides and the left and right sides and the inner surface of the rectangular groove. The hydraulic rod has a rectangular cross section and extends through the interference groove. Gaps are also left between the upper and lower sides and the left and right sides of the hydraulic rod and the interference groove. When the moving mold requires lateral fine adjustment during the mold closing process due to the rough centering of the guide frame or the guidance of the guide column, the moving mold can make slight floating adjustments relative to the positioning block and the hydraulic rod in the up, down, left, and right directions. This allows the moving mold to automatically meet the position of the fixed mold and complete precise centering, avoiding the rigid thrust of the hydraulic rod from forcibly pressing the moving mold against the fixed mold, which would cause centering errors or mold damage. This effectively improves the centering accuracy of the mold closing process. 4. In this invention, the displacement sensor embedded in the center of the inner surface sidewall of the rectangular groove is in close contact with the displacement trigger embedded in the center of the sidewall of the positioning block. When the moving mold floats and makes fine adjustments relative to the hydraulic rod, the displacement trigger moves with the positioning block. The displacement sensor senses the position coordinate change of the displacement trigger in real time, thereby accurately monitoring the offset and alignment status of the moving mold during the mold closing process. The operator can judge whether the mold closing alignment is qualified based on the feedback data of the displacement sensor, promptly detect abnormal offsets and make adjustments, and ensure the dimensional accuracy and consistency of the die-casting of the cookware. 5. In this invention, when the moving mold moves towards the fixed mold, the four toothed plates in the groove of the inner side wall of the guide frame first contact the toothed cavity openings around the outer side wall of the fixed mold. The toothed plates are pushed by the fixed mold to retract inward along the toothed cavity. The toothed plates mesh with the driving gear to rotate. The gear is fixed in the middle of the slide rod. The slide rod is rotated and supported in the groove by the fixed block. Adjacent slide rods are connected by a bevel gear pair. Therefore, the gears and toothed plates in the four directions are synchronously linked. When a toothed plate in one direction contacts the fixed mold first and is pushed, the toothed plates in the other three directions are driven to move synchronously through the bevel gear pair. The toothed plates in the four directions apply a uniform centering force to the fixed mold from all sides, driving the moving mold to accurately center relative to the fixed mold. This ensures that the cavity centers of the moving mold and the fixed mold are completely coincident, effectively preventing the moving mold from shifting due to uneven force on one side, and significantly improving the coaxiality and dimensional accuracy of the pot forming. 6. The toothed plate of the present invention is elastically connected to the toothed cavity through an anti-locking component. The toothed plate is embedded and fixedly installed at the center of the frame plate. The frame plate is slidably connected to the bottom of the inner surface of the toothed cavity through T-shaped sliders on all four sides. The bottom of the inner surface of the frame plate is elastically connected to the bottom of the inner surface of the toothed cavity through multiple first springs. When the toothed plate is pushed back by the fixed mold, the frame plate slides along the T-shaped slider and compresses the first springs. The elastic force of the first springs provides elastic support for the toothed plate, so that the toothed plate and the fixed mold maintain an appropriate contact pressure, which ensures that the centering force is sufficient and does not jam due to rigid contact. This effectively prevents the toothed plate from locking up during the centering process, ensuring smooth and synchronous centering in four directions. After the mold is closed, the first springs rebound and push the toothed plate to reset, preparing for the next mold closing and centering. 7. In this invention, the sealing frame, which is movably connected to one side of the fixed mold, moves with the centering linkage mechanism during mold closing. An anti-deviation cavity is provided at the bottom of the toothed cavity. The lower end of the wedge, fixedly connected to the bottom of the frame plate, extends through the anti-deviation cavity. The end of the sealing frame away from the sealing groove extends into the anti-deviation cavity. The upper side of the end of the sealing frame extending into the anti-deviation cavity is slidably connected to a T-shaped crossbar via a connecting plate. The T-shaped crossbar is fixed to the top of one side of the anti-deviation cavity. A second spring is sleeved on the T-shaped crossbar and applies an elastic thrust to the connecting plate. When the frame plate is driven downwards by the toothed plate, the wedge moves downwards synchronously with the frame plate. The inclined slope at the lower end of the wedge... The inclined slope of the sealing frame extending into the anti-displacement cavity works in conjunction with the downward pressure of the wedge, which is converted into a lateral thrust through the inclined surface. This pushes the sealing frame to overcome the elastic force of the second spring and move laterally along the T-shaped crossbar, allowing the other end of the sealing frame to extend into the sealing groove on the inner surface of the moving mold. This achieves a seal between the fixed mold and the moving mold, effectively reducing heat loss from the molten metal during die casting and ensuring uniform mold forming temperature. When the mold opens, the frame plate moves upward, causing the wedge to move upward. The second spring rebounds, pushing the sealing frame laterally out of the sealing groove, achieving automatic linkage between sealing and mold opening without the need for an additional sealing drive mechanism. Attached Figure Description

[0015] Figure 1 This is an overall structural diagram of the present invention; Figure 2 This is an overall side view of the present invention; Figure 3 This is an external view of the guide frame of the present invention; Figure 4 This is an internal view of the anti-displacement cavity of the present invention; Figure 5 This is a structural view of the groove in the present invention; Figure 6 For the present invention Figure 2 A magnified view of a section at point A in the middle; Figure 7 For the present invention Figure 3 A magnified view of a section at point B in the middle; Figure 8 For the present invention Figure 4 A magnified view of a section at point C; Figure 9 For the present invention Figure 5 A magnified view of a section at point D.

[0016] In the picture: 1. Base; 11. Fixed mold; 12. Support frame; 13. Injector; 14. Moving mold; 15. Hydraulic cylinder; 16. Mounting frame; 17. Hydraulic rod; 18. Guide column; 21. Guide sleeve; 22. Corner groove; 23. Corner strip; 3. Guide outer frame; 31. Guide ramp; 4. Rectangular groove; 41. Positioning block; 42. Interference groove; 5. Displacement sensor; 6. Recurve groove; 61. Slide rod; 62. Fixing block; 63. Bevel gear pair; 64. Gear; 65. Tooth plate; 66. Tooth cavity; 7. Frame plate; 71. T-shaped slider; 72. First spring; 8. Sealing frame; 81. Sealing groove; 9. Anti-offset cavity; 91. Wedge; 92. T-shaped crossbar; 93. Connecting plate; 94. Second spring. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1 to 9 The present invention provides a technical solution: A cookware forming anti-deviation die-casting device includes a base 1, a fixed mold 11 disposed above the base 1, a support frame 12 fixedly connected to one side of the fixed mold 11, the support frame 12 fixedly mounted on the base 1, an injector 13 fixedly mounted on the base 1, an injection pipe fixedly connected to the injector 13, the injector 13 being fixedly connected to the fixed mold 11 through the injection pipe, a guide post 18 extending through and fixedly connected to the fixed mold 11, a moving mold 14 extending through and slidably connected to the guide post 18, a hydraulic rod 17 connected to the side of the moving mold 14 away from the fixed mold 11 through a movable component, a hydraulic cylinder 15 fixedly mounted on one side of the hydraulic rod 17, and a mounting frame 16 fixedly mounted on the base 1, the hydraulic cylinder 15 being fixedly mounted on the mounting frame 16.

[0019] As an embodiment of the present invention, as shown in the figure, a guide sleeve 21 is extended through and fixedly connected to each of the four corners of the end face of the moving mold 14. There are four guide posts 18, and each guide post 18 extends through a guide sleeve 21 and is slidably connected to the guide sleeve 21. The outer side wall of the guide post 18 is provided with a plurality of corner grooves 22 at equal intervals in an annular shape. The inner side wall of the guide sleeve 21 is fixedly connected with a plurality of corner strips 23 at equal intervals in an annular shape. The corner strips 23 extend through the corner grooves 22 and are slidably connected to the corner grooves 22.

[0020] During operation, when the hydraulic cylinder 15 pushes the moving mold 14 to close, the guide sleeves 21, which are fixedly connected to the four corners of the end face of the moving mold 14, are respectively fitted into the four guide posts 18 on the fixed mold 11 and slide along the guide posts 18. The multiple corner grooves 22, which are opened in a ring at equal intervals on the outer side wall of the guide post 18, cooperate with the multiple corner strips 23, which are fixedly connected in a ring at equal intervals on the inner side wall of the guide sleeve 21. The corner strips 23 penetrate into the corner grooves 22 and slide along the corner grooves 22. The spline-type cooperation structure between the corner grooves 22 and the corner strips 23 effectively restricts the circumferential rotation of the guide sleeve 21 relative to the guide post 18, prevents the moving mold 14 from twisting and shifting during the mold closing process, and ensures that the circumferential position of the moving mold 14 and the cavity of the fixed mold 11 always corresponds precisely, avoiding misalignment or flash defects in the forming of the cookware due to the twisting of the moving mold 14.

[0021] As an embodiment of the present invention, as shown in the figure, a guide frame 3 is fixedly connected to the outer wall of the moving mold 14. The guide frame 3 matches the fixed mold 11, and a guide ramp 31 is provided on the inner side of the end of the guide frame 3 facing the fixed mold 11.

[0022] During operation, as the moving mold 14 moves toward the fixed mold 11, the guide frame 3, which is fixedly connected to the outer wall of the moving mold 14, moves synchronously with the moving mold 14. The guide ramp 31, which is set on the inner side of the guide frame 3 facing the fixed mold 11, first contacts the outer wall of the fixed mold 11. The inclined surface of the guide ramp 31 generates a lateral guiding force on the outer wall of the fixed mold 11, guiding the moving mold 14 to perform rough alignment in the early stage of mold closing, so that the central axis of the moving mold 14 and the fixed mold 11 are roughly coincident, creating conditions for subsequent fine guidance and precise alignment, and avoiding the guide post 18 from getting stuck or colliding with the guide sleeve 21 due to excessive initial offset.

[0023] As an embodiment of the present invention, as shown in the figure, the movable component includes a rectangular groove 4, which is formed at the center of one side of the moving mold 14. A positioning block 41 is movably connected inside the rectangular groove 4. An interference groove 42 is formed on the rectangular groove 4. A hydraulic rod 17 is fixedly connected to the positioning block 41. The hydraulic rod 17 extends through the interference groove 42 and is slidably connected to the interference groove 42. The front and rear sides of the positioning block 41 are in contact with the rectangular groove 4. There are gaps between the upper and lower sides and the left and right sides of the positioning block 41 and the inner surface of the rectangular groove 4. The hydraulic rod 17 is rectangular, and there are also gaps between the upper and lower sides and the left and right sides of the hydraulic rod 17 and the interference groove 42.

[0024] During operation, the hydraulic rod 17 is floatingly connected to the moving mold 14 via a movable component. The positioning block 41, which is fixedly connected to the end of the hydraulic rod 17, is movably positioned in the rectangular groove 4 at the center of the end face of the moving mold 14. The front and rear sides of the positioning block 41 are in contact with the inner wall of the rectangular groove 4, while the upper, lower, left, and right sides have gaps with the inner surface of the rectangular groove 4. The hydraulic rod 17 has a rectangular cross section and extends through the interference groove 42. The upper, lower, left, and right sides of the hydraulic rod 17 also have gaps with the interference groove 42. When the moving mold 14 requires lateral fine adjustment during mold closing due to the rough centering of the guide frame 3 or the guidance of the guide post 18, the moving mold 14 can make slight floating adjustments relative to the positioning block 41 and the hydraulic rod 17 in the up, down, left, and right directions. This allows the moving mold 14 to automatically meet the position of the fixed mold 11 and complete precise centering, avoiding the rigid thrust of the hydraulic rod 17 from forcibly pressing the moving mold 14 against the fixed mold 11, which would cause centering errors or mold damage, and effectively improve the mold closing centering accuracy.

[0025] As an embodiment of the present invention, as shown in the figure, a displacement sensor 5 is embedded and fixedly installed at the center of the inner surface sidewall of the rectangular groove 4, and a displacement trigger is embedded and fixedly installed at the center of the sidewall of the positioning block 41. The displacement sensor 5 and the displacement trigger are in contact, and the displacement sensor 5 can sense the position coordinates of the displacement trigger in real time.

[0026] During operation, the displacement sensor 5, which is embedded in the center of the inner surface sidewall of the rectangular groove 4, is in contact with the displacement trigger, which is embedded in the center of the sidewall of the positioning block 41. When the moving mold 14 is floated and finely adjusted relative to the hydraulic rod 17, the displacement trigger moves with the positioning block 41. The displacement sensor 5 senses the position coordinate change of the displacement trigger in real time, thereby accurately monitoring the offset and alignment status of the moving mold 14 during the mold closing process. The operator can judge whether the mold closing alignment is qualified based on the feedback data of the displacement sensor 5, promptly detect abnormal offsets and make adjustments, and ensure the dimensional accuracy and consistency of the die-casting of the cookware.

[0027] As an embodiment of the present invention, as shown in the figure, a groove 6 is provided on the inner side wall of the guide frame 3. A sliding rod 61 is provided on each of the four sides of the inner surface of the groove 6. Each sliding rod 61 extends through and is symmetrically rotatably connected to a fixing block 62. The fixing block 62 is fixedly connected to the bottom of the inner surface of the groove 6. A bevel gear pair 63 is movably connected between two adjacent sliding rods 61. A gear 64 extends through and is fixedly connected to the middle of each sliding rod 61. Each gear 64 is meshed with a toothed plate 65. A toothed cavity 66 is provided at the center of each of the four sides of the outer side wall of the fixed mold 11. Each toothed plate 65 is located in a toothed cavity 66. An anti-locking component is provided between each toothed plate 65 and the toothed cavity 66.

[0028] During operation, as the moving mold 14 continues to move towards the fixed mold 11, the four toothed plates 65 in the groove 6 on the inner side wall of the guide frame 3 first contact the openings of the toothed cavities 66 around the outer side wall of the fixed mold 11. The toothed plates 65 are pushed by the fixed mold 11 to retract inward along the toothed cavities 66, and the toothed plates 65 mesh with the driving gear 64 to rotate. The gear 64 is fixed in the middle of the slide rod 61, and the slide rod 61 is rotatably supported in the groove 6 by the fixing block 62. Adjacent slide rods 61 are connected by a bevel gear pair 63 for transmission. Therefore, the gears 64 in the four directions and The toothed plates 65 are synchronously linked. When a toothed plate 65 in one direction contacts the fixed mold 11 and is pushed, it drives the toothed plates 65 in the other three directions to move synchronously through the bevel gear pair 63. The toothed plates 65 in the four directions apply a uniform centering force to the fixed mold 11 from all sides, driving the moving mold 14 to accurately center relative to the fixed mold 11. This ensures that the moving mold 14 and the cavity center of the fixed mold 11 are completely coincident, effectively preventing the moving mold 14 from shifting due to uneven force on one side, and significantly improving the coaxiality and dimensional accuracy of the cookware forming.

[0029] As an embodiment of the present invention, as shown in the figure, the anti-lock device includes a frame plate 7, and a toothed plate 65 is embedded and fixedly installed at the center of the frame plate 7. A T-shaped slider 71 extends through and is slidably connected to the periphery of the frame plate 7. The T-shaped slider 71 is fixedly connected to the bottom of the inner surface of the toothed cavity 66. A plurality of first springs 72 are fixedly connected to the bottom of the inner surface of the frame plate 7. The plurality of first springs 72 are fixedly connected to the bottom of the inner surface of the toothed cavity 66.

[0030] During operation, the toothed plate 65 is elastically connected to the toothed cavity 66 via an anti-locking component. The toothed plate 65 is embedded and fixedly installed at the center of the frame plate 7. The frame plate 7 is slidably connected to the bottom of the inner surface of the toothed cavity 66 via T-shaped sliders 71 on all four sides. The bottom of the inner surface of the frame plate 7 is elastically connected to the bottom of the inner surface of the toothed cavity 66 via multiple first springs 72. When the toothed plate 65 is pushed back by the fixed mold 11, the frame plate 7 slides along the T-shaped sliders 71 and compresses the first springs 72. The elastic force of the first springs 72 provides elastic support for the toothed plate 65, maintaining a moderate contact pressure between the toothed plate 65 and the fixed mold 11. This ensures sufficient centering force without jamming due to rigid contact, effectively preventing the toothed plate 65 from locking up during centering and ensuring smooth and synchronous centering in four directions. After the mold is closed, the first springs 72 rebound and push the toothed plate 65 back to its original position, preparing for the next mold closing and centering.

[0031] As an embodiment of the present invention, as shown in the figure, a sealing frame 8 is movably connected to one side of the fixed mold 11, and a sealing groove 81 is provided on the inner surface sidewall of the moving mold 14. One end of the sealing frame 8 extends into the sealing groove 81 and is slidably connected with the sealing groove 81. The cooperative arrangement of the sealing frame 8 and the sealing groove 81 can reduce the heat loss during the molding of the molded pot.

[0032] The bottom of the tooth cavity 66 is provided with an anti-deviation cavity 9. The bottom of the frame plate 7 is fixedly connected with a wedge 91. The lower end of the wedge 91 extends through into the anti-deviation cavity 9 and is slidably connected to the anti-deviation cavity 9. The end of the sealing frame 8 away from the sealing groove 81 extends into the anti-deviation cavity 9 and is slidably connected to the anti-deviation cavity 9. The upper side of the end of the sealing frame 8 that extends into the anti-deviation cavity 9 is fixedly connected with a connecting plate 93. The connecting plate 93 extends through and is slidably connected with multiple T-shaped crossbars 92. The T-shaped crossbars 92 are fixedly connected to the top of one side of the anti-deviation cavity 9. Each T-shaped crossbar 92 is fitted with a second spring 94. One end of the second spring 94 is fixedly connected to the T-shaped crossbar 92, and the other end of the second spring 94 is fixedly connected to the connecting plate 93.

[0033] The side of the sealing frame 8 that extends into the anti-displacement cavity 9 is an inclined slope, and the lower end of the wedge 91 is also set as an inclined slope, and the inclined slope of the sealing frame 8 and the inclined slope of the wedge 91 are matched.

[0034] During operation, the sealing frame 8, which is movably connected to one side of the fixed mold 11, moves with the centering linkage mechanism when the mold is closed. An anti-deviation cavity 9 is provided at the bottom of the toothed cavity 66. The lower end of the wedge 91, fixedly connected to the bottom of the frame plate 7, extends through into the anti-deviation cavity 9. The end of the sealing frame 8 away from the sealing groove 81 extends into the anti-deviation cavity 9. The upper side of the end of the sealing frame 8 extending into the anti-deviation cavity 9 is slidably connected to the T-shaped crossbar 92 via a connecting plate 93. The T-shaped crossbar 92 is fixed to the top of one side of the anti-deviation cavity 9. A second spring 94 is sleeved on the T-shaped crossbar 92 and applies an elastic thrust to the connecting plate 93. When the frame plate 7 is moved downwards by the toothed plate 65, the wedge 91 moves downwards synchronously with the frame plate 7. The lower end of the wedge 91... The inclined slope and the inclined slope of the sealing frame 8 extending into the anti-offset cavity 9 cooperate with each other. The downward pressure of the wedge 91 is converted into a lateral thrust through the inclined surface, which pushes the sealing frame 8 to overcome the elastic force of the second spring 94 and move laterally along the T-shaped crossbar 92. This allows the other end of the sealing frame 8 to extend into the sealing groove 81 on the inner surface of the moving mold 14, thus achieving a seal between the fixed mold 11 and the moving mold 14. This effectively reduces the heat loss of the molten metal during die casting and ensures uniform molding temperature of the cookware. When the mold is opened, the frame plate 7 moves upward, causing the wedge 91 to move upward. The second spring 94 rebounds and pushes the sealing frame 8 to move laterally out of the sealing groove 81, achieving automatic linkage between sealing and mold opening without the need for an additional sealing drive mechanism.

[0035] Working principle: During operation, the injection unit 13 injects molten metal into the cavity of the fixed mold 11 through the injection pipe. The hydraulic cylinder 15 is activated, and the hydraulic rod 17 pushes the moving mold 14 to move along the guide post 18 towards the fixed mold 11 for mold closing. The guide frame 3 on the outside of the moving mold 14 is first roughly aligned with the outer wall of the fixed mold 11 through the guide ramp 31. The guide sleeve 21 slides along the guide post 18 to achieve guidance. The floating connection between the hydraulic rod 17 and the moving mold 14 allows the moving mold 14 to automatically fine-tune the alignment during mold closing. The gear 64 in the groove 6 synchronously aligns the mechanism, driving the four directions during mold closing. The toothed plate 65 moves synchronously to achieve precise alignment between the moving mold 14 and the fixed mold 11. After the mold is closed, the sealing frame 8 extends into the sealing groove 81 and continues to move with the moving mold 14. It pushes the wedge 91 upward through the inclined slope. When the mold is fully closed, the wedge 91 moves to the maximum position, which drives the toothed plate 65 to move upward and lock the gear 64. At the same time, the sealing frame 8 extends into the sealing groove 81 to complete the sealing of the mold closing surface. After the mold is closed and pressure is maintained, the molten metal cools and is formed into a pot. The hydraulic cylinder 15 drives the moving mold 14 to open the mold and take out the finished product, thereby realizing multi-level anti-offset alignment, automatic alignment locking and automatic sealing in the pot die casting process. When the hydraulic cylinder 15 pushes the moving mold 14 to close, the guide sleeves 21, which are fixedly connected to the four corners of the end face of the moving mold 14, are respectively fitted into the four guide posts 18 on the fixed mold 11 and slide along the guide posts 18. The multiple corner grooves 22, which are opened in a ring at equal intervals on the outer side wall of the guide post 18, cooperate with the multiple corner strips 23, which are fixedly connected in a ring at equal intervals on the inner side wall of the guide sleeve 21. The corner strips 23 penetrate into the corner grooves 22 and slide along the corner grooves 22. The spline-type cooperation structure of the corner grooves 22 and the corner strips 23 effectively restricts the circumferential rotation of the guide sleeve 21 relative to the guide post 18, prevents the moving mold 14 from twisting and shifting during the mold closing process, and ensures that the circumferential position of the moving mold 14 and the cavity of the fixed mold 11 always corresponds precisely, avoiding misalignment or flash defects in the forming of the cookware due to the twisting of the moving mold 14. When the moving mold 14 moves toward the fixed mold 11, the guide frame 3, which is fixedly connected to the outer wall of the moving mold 14, moves synchronously with the moving mold 14. The guide ramp 31, which is set on the inner side of the guide frame 3 facing the fixed mold 11, first contacts the outer wall of the fixed mold 11. The inclined surface of the guide ramp 31 generates a lateral guiding force on the outer wall of the fixed mold 11, guiding the moving mold 14 to perform rough alignment in the early stage of mold closing, so that the central axis of the moving mold 14 and the fixed mold 11 are roughly coincident, creating conditions for subsequent fine guidance and precise alignment, and avoiding the guide post 18 from getting stuck or collided with the guide sleeve 21 due to excessive initial offset. The hydraulic rod 17 is floatingly connected to the moving mold 14 via a movable part. The positioning block 41, which is fixedly connected to the end of the hydraulic rod 17, is movably set in the rectangular groove 4 at the center of the end face of the moving mold 14. The front and rear sides of the positioning block 41 are in contact with the inner wall of the rectangular groove 4, and the upper, lower and left and right sides are left with gaps between them and the inner surface of the rectangular groove 4. The hydraulic rod 17 has a rectangular cross section and extends through the interference groove 42. The upper, lower and left and right sides of the hydraulic rod 17 are also left with gaps between them and the interference groove 42. When the moving mold 14 needs to make lateral fine adjustments during the mold closing process due to the rough centering of the guide frame 3 or the guidance of the guide post 18, the moving mold 14 can make slight floating adjustments relative to the positioning block 41 and the hydraulic rod 17 in the up, down and left and right directions. This allows the moving mold 14 to automatically meet the position of the fixed mold 11 and complete the precise centering. This avoids the rigid thrust of the hydraulic rod 17 from forcibly pressing the moving mold 14 against the fixed mold 11, which would cause centering errors or mold damage. This effectively improves the mold closing centering accuracy. The displacement sensor 5, which is embedded in the center of the inner surface sidewall of the rectangular groove 4, is in contact with the displacement trigger, which is embedded in the center of the sidewall of the positioning block 41. When the moving mold 14 floats and makes fine adjustments relative to the hydraulic rod 17, the displacement trigger moves with the positioning block 41. The displacement sensor 5 senses the position coordinate change of the displacement trigger in real time, thereby accurately monitoring the offset and alignment status of the moving mold 14 during the mold closing process. The operator can judge whether the mold closing alignment is qualified based on the feedback data of the displacement sensor 5, promptly detect abnormal offsets and make adjustments, and ensure the dimensional accuracy and consistency of the die-casting of the cookware. As the moving mold 14 continues to move toward the fixed mold 11, the four toothed plates 65 in the groove 6 on the inner side wall of the guide frame 3 first contact the openings of the toothed cavities 66 around the outer side wall of the fixed mold 11. The toothed plates 65 are pushed inward along the toothed cavities 66 by the fixed mold 11, and the toothed plates 65 mesh with the driving gear 64 to rotate. The gear 64 is fixed in the middle of the slide rod 61, and the slide rod 61 is rotatably supported in the groove 6 by the fixing block 62. Adjacent slide rods 61 are connected by a bevel gear pair 63. Therefore, the gears 64 and toothed plates in the four directions are connected by a bevel gear pair 63. 65 Synchronous linkage: When a toothed plate 65 in one direction contacts the fixed mold 11 and is pushed, the toothed plates 65 in the other three directions are driven to move synchronously through the bevel gear pair 63. The toothed plates 65 in the four directions apply uniform centering force to the fixed mold 11 from all sides, driving the moving mold 14 to perform precise center alignment relative to the fixed mold 11, ensuring that the cavity center of the moving mold 14 and the fixed mold 11 are completely coincident, effectively preventing the moving mold 14 from shifting due to uneven force on one side, and significantly improving the coaxiality and dimensional accuracy of the pot forming. The toothed plate 65 is elastically connected to the toothed cavity 66 via an anti-locking component. The toothed plate 65 is embedded and fixedly installed at the center of the frame plate 7. The frame plate 7 is slidably connected to the bottom of the inner surface of the toothed cavity 66 via T-shaped sliders 71 on all four sides. The bottom of the inner surface of the frame plate 7 is elastically connected to the bottom of the inner surface of the toothed cavity 66 via multiple first springs 72. When the toothed plate 65 is pushed back by the fixed mold 11, the frame plate 7 slides along the T-shaped sliders 71 and compresses the first springs 72. The elastic force of the first springs 72 provides elastic support for the toothed plate 65, so that the toothed plate 65 and the fixed mold 11 maintain appropriate contact pressure, which ensures sufficient centering force without jamming due to rigid contact. This effectively prevents the toothed plate 65 from locking up during the centering process and ensures smooth and synchronous centering in four directions. After the mold is closed, the first springs 72 rebound and push the toothed plate 65 to reset, preparing for the next mold closing and centering. The sealing frame 8, which is movably connected to one side of the fixed mold 11, moves with the centering linkage mechanism when the mold is closed. An anti-deviation cavity 9 is provided at the bottom of the toothed cavity 66. The lower end of the wedge 91, which is fixedly connected to the bottom of the frame plate 7, extends through into the anti-deviation cavity 9. The end of the sealing frame 8 away from the sealing groove 81 extends into the anti-deviation cavity 9. The upper side of the end of the sealing frame 8 extending into the anti-deviation cavity 9 is slidably connected to the T-shaped crossbar 92 via a connecting plate 93. The T-shaped crossbar 92 is fixed to the top of one side of the anti-deviation cavity 9. A second spring 94 is sleeved on the T-shaped crossbar 92 and applies an elastic thrust to the connecting plate 93. When the frame plate 7 is moved downwards by the toothed plate 65, the wedge 91 moves downwards synchronously with the frame plate 7. The lower end of the wedge 91 tilts... The slope surface and the inclined slope surface of the sealing frame 8 extending into the anti-offset cavity 9 cooperate with each other. The downward pressure of the wedge 91 is converted into a lateral thrust through the inclined surface, which pushes the sealing frame 8 to overcome the elastic force of the second spring 94 and move laterally along the T-shaped crossbar 92, so that the other end of the sealing frame 8 extends into the sealing groove 81 on the inner surface of the moving mold 14, thereby achieving the sealing of the mold closing surface between the fixed mold 11 and the moving mold 14, effectively reducing the heat loss of the molten metal during mold closing and die casting, and ensuring uniform mold forming temperature of the cookware; when the mold is opened, the frame plate 7 moves upward, which drives the wedge 91 to move upward, and the second spring 94 rebounds and pushes the sealing frame 8 to move laterally out of the sealing groove 81, realizing the automatic linkage between sealing and mold opening, without the need for an additional sealing drive mechanism; In summary, this invention prevents circumferential torsional displacement of the moving mold 14 through a spline-type guiding structure composed of guide post 18, guide sleeve 21, corner groove 22, and corner strip 23; achieves rough alignment in the initial mold closing stage through guide frame 3 and guide ramp 31; allows automatic fine-tuning alignment of the moving mold 14 through a floating connection composed of rectangular groove 4, positioning block 41, and interference groove 42; monitors the offset of the moving mold 14 in real time through displacement sensor 5 and displacement trigger; achieves precise center alignment between the moving mold 14 and the fixed mold 11 through a four-way synchronous alignment mechanism composed of back groove 6, slide rod 61, bevel gear pair 63, gear 64, and toothed plate 65; and provides anti-locking protection through frame plate 7, T-shaped slider 71, and first spring 72. The fixed part ensures smooth and uninterrupted centering. Through the linkage mechanism consisting of anti-offset cavity 9, wedge 91, sealing frame 8, sealing groove 81, connecting plate 93, T-shaped crossbar 92 and second spring 94, the wedge 91 pushes the sealing frame 8 into the sealing groove 81 to achieve initial sealing in the early stage of mold closing. In the later stage of mold closing, the sealing frame 8 continues to move laterally with the moving mold 14, which in turn pushes the wedge 91 to move upward, driving the toothed plate 65 to move upward and locking the gear 64. When the mold is fully closed, centering locking and complete sealing are achieved simultaneously. When the mold is opened, it automatically resets. The overall structure has high integration, high centering accuracy, good anti-offset effect, automatic locking of the centering state, and reliable sealing, effectively ensuring the dimensional accuracy and product quality of the die-cast cookware.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A die-casting device for preventing displacement during cookware forming, comprising a base (1), characterized in that: A fixed mold (11) is provided above the base (1). A support frame (12) is fixedly connected to one side of the fixed mold (11). The support frame (12) is fixedly installed on the base (1). An injector (13) is fixedly installed on the base (1). An injection pipe is fixedly connected to the injector (13). The injector (13) is fixedly connected to the fixed mold (11) through the injection pipe. A guide post (18) extends through and is fixedly connected to the fixed mold (11). A moving mold (14) extends through and is slidably connected to the guide post (18). A hydraulic rod (17) is connected to the side of the moving mold (14) away from the fixed mold (11) through a movable part. A hydraulic cylinder (15) is fixedly installed on one side of the hydraulic rod (17). An mounting frame (16) is fixedly installed on the base (1). The hydraulic cylinder (15) is fixedly installed on the mounting frame (16).

2. The cookware forming anti-deviation die-casting device according to claim 1, characterized in that: The four corners of the end face of the moving mold (14) are respectively connected to a guide sleeve (21). There are four guide posts (18), and each guide post (18) extends through a guide sleeve (21) and is slidably connected to the guide sleeve (21). The outer side wall of the guide post (18) is provided with multiple corner grooves (22) at equal intervals in an annular shape. The inner side wall of the guide sleeve (21) is fixedly connected with multiple corner strips (23) at equal intervals in an annular shape. The corner strips (23) extend through the corner grooves (22) and are slidably connected to the corner grooves (22).

3. The cookware forming anti-deviation die-casting device according to claim 2, characterized in that: The outer wall of the moving mold (14) is fixedly connected to a guide frame (3), which matches the fixed mold (11). A guide ramp (31) is provided on the inner side of the end of the guide frame (3) facing the fixed mold (11).

4. The cookware forming anti-deviation die-casting device according to claim 3, characterized in that: The movable part includes a rectangular groove (4), which is located at the center of one side of the moving mold (14). A positioning block (41) is movably connected inside the rectangular groove (4). An interference groove (42) is provided on the rectangular groove (4). A hydraulic rod (17) is fixedly connected to the positioning block (41). The hydraulic rod (17) extends through the interference groove (42) and is slidably connected to the interference groove (42). The front and rear sides of the positioning block (41) are in contact with the rectangular groove (4). There are gaps between the upper and lower sides and the left and right sides of the positioning block (41) and the inner surface of the rectangular groove (4). The hydraulic rod (17) is rectangular, and there are also gaps between the upper and lower sides and the left and right sides of the hydraulic rod (17) and the interference groove (42).

5. The cookware forming anti-deviation die-casting device according to claim 4, characterized in that: A displacement sensor (5) is embedded and fixedly installed at the center of the inner surface sidewall of the rectangular groove (4), and a displacement trigger is embedded and fixedly installed at the center of the sidewall of the positioning block (41). The displacement sensor (5) and the displacement trigger are in contact, and the displacement sensor (5) can sense the position coordinates of the displacement trigger in real time.

6. The cookware forming anti-deviation die-casting device according to claim 5, characterized in that: The inner sidewall of the guide frame (3) is provided with a groove (6). A sliding rod (61) is provided around the inner surface of the groove (6). Each sliding rod (61) extends through and is symmetrically rotated and connected to a fixing block (62). The fixing block (62) is fixedly connected to the bottom of the inner surface of the groove (6). A bevel gear pair (63) is movably connected between two adjacent sliding rods (61). A gear (64) extends through and is fixedly connected to the middle of each sliding rod (61). Each gear (64) meshes with a toothed plate (65). A toothed cavity (66) is provided at the center of the outer sidewall of the fixed mold (11). Each toothed plate (65) is located in a toothed cavity (66). An anti-locking component is provided between each toothed plate (65) and the toothed cavity (66).

7. The cookware forming anti-deviation die-casting device according to claim 6, characterized in that: The anti-lock device includes a frame plate (7), and the toothed plate (65) is embedded and fixedly installed at the center of the frame plate (7). A T-shaped slider (71) extends through and slides through the four sides of the frame plate (7). The T-shaped slider (71) is fixedly connected to the bottom of the inner surface of the toothed cavity (66). A plurality of first springs (72) are fixedly connected to the bottom of the inner surface of the frame plate (7). The plurality of first springs (72) are fixedly connected to the bottom of the inner surface of the toothed cavity (66).

8. The cookware forming anti-deviation die-casting device according to claim 7, characterized in that: A sealing frame (8) is movably connected to one side of the fixed mold (11), and a sealing groove (81) is provided on the inner surface sidewall of the moving mold (14). One end of the sealing frame (8) extends into the sealing groove (81) and is slidably connected with the sealing groove (81). The matching arrangement of the sealing frame (8) and the sealing groove (81) can reduce the heat loss during the molding of the molded pot.

9. The cookware forming anti-deviation die-casting device according to claim 8, characterized in that: The tooth cavity (66) has an anti-deviation cavity (9) at the bottom. The frame plate (7) is fixedly connected to a wedge (91). The lower end of the wedge (91) extends through into the anti-deviation cavity (9) and is slidably connected to the anti-deviation cavity (9). The end of the sealing frame (8) away from the sealing groove (81) extends into the anti-deviation cavity (9) and is slidably connected to the anti-deviation cavity (9). The upper side of the end of the sealing frame (8) extending into the anti-deviation cavity (9) is fixedly connected to a connecting plate (93). The connecting plate (93) extends through and is slidably connected to multiple T-shaped crossbars (92). The T-shaped crossbars (92) are fixedly connected to the top of one side of the anti-deviation cavity (9). Each T-shaped crossbar (92) is fitted with a second spring (94). One end of the second spring (94) is fixedly connected to the T-shaped crossbar (92), and the other end of the second spring (94) is fixedly connected to the connecting plate (93).

10. The cookware forming anti-deviation die-casting device according to claim 9, characterized in that: The side of the sealing frame (8) that extends into the anti-deviation cavity (9) is an inclined slope, and the lower end of the wedge (91) is also set as an inclined slope, and the inclined slope of the sealing frame (8) and the inclined slope of the wedge (91) are matched.

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