An integrally formed inductance hot-pressing device and process

Abstract

The application discloses a one-piece integrated inductance hot-pressing device and process, relates to the technical field of inductance hot-pressing machines, and comprises a base, a guide column is arranged on the top of the base, a detachable replacement part is arranged on a lower die body, and a displacement movable part is arranged at the bottom of the lower die body. The detachable replacement part is arranged, when the die connecting plate is replaced, the rectangular frame is pressed downward first, the clamping pin is separated from the locking hole, the blocking pin column is moved upward and the pressing pin is pushed out of the longitudinal hole, meanwhile, the blocking pin column hinders the clamping pin, so that the fourth reset spring cannot be restored, when the die connecting plate is installed, the pressing pin and the blocking pin column are aligned, then the die connecting plate is pressed, the blocking pin column is pushed downward by the pressing pin, when the locking hole and the transverse hole on the pressing pin are aligned, the clamping pin is inserted into the locking hole, so that the installation and fixation of the die connecting plate are realized, the die is quickly replaced according to the requirements of different inductance products, and the flexibility and production efficiency of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of inductive hot press, in particular to an integrated inductive hot pressing device and process. BACKGROUND

[0002] With the rapid development of electronic technology, especially the rapid popularization of mobile consumer electronic terminals, inductance devices are developing towards miniaturization, thinness, high frequency, large current, high efficiency, low EMI, etc., and powder forming is a process of making semi-finished or finished products with specific shape, size, density and strength from metal powder and raw materials based on metal powder under certain pressure. When pressing the inductance blank, T-Core magnetic cores and U-Core magnetic cores are prepared in respective molds in advance through powder forming, and then the T-Core magnetic cores and U-Core magnetic cores are combined and hot pressed.

[0003] However, due to the different sizes of T-Core magnetic cores and U-Core magnetic cores of different inductance devices, corresponding hot pressing molds need to be used when processing different inductance devices, resulting in a small application range of a single hot pressing mold. At the same time, since the inductance devices are batch produced, the guide structure on the mold will affect the movement range of the placing device when the T-Core magnetic cores and U-Core magnetic cores are placed in the mold, resulting in restrictions when placing the T-Core magnetic cores and U-Core magnetic cores in the slots near the edge of the mold, which will affect the accuracy of placing the T-Core magnetic cores and U-Core magnetic cores. SUMMARY

[0004] The purpose of the present application is to solve the problem of small application range of the hot pressing mold, and to provide an integrated inductive hot pressing device and process.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an integrated inductive hot pressing device, comprising a base, a guide column is installed on the top of the base, a top plate is arranged on the top of the guide column, an activity frame is movably sleeved on the guide column, a side plate is arranged on the side of the activity frame away from the guide column, a lower mold body is installed on one side of the side plate, a telescopic cylinder is installed on the top of the top plate, an upper mold body is connected to the output end of the telescopic cylinder and located below the top plate, a disconnection replacement part is arranged on the lower mold body, a mold connecting plate is connected to the top of the lower mold body through the disconnection replacement part, a displacement activity part is arranged at the bottom of the lower mold body, and a second reset spring is arranged at the bottom of the activity frame and connected to the top of the base.

[0006] As a further further scheme of the present application: the disconnection replacement part comprises a pressing column installed at the bottom edge of the mold connecting plate, a locking hole is formed in the pressing column, a longitudinal hole is formed at the top edge of the lower mold body, a limiting column is installed at the inner wall bottom of the longitudinal hole, a blocking pin column is sleeved on the limiting column, a third reset spring is arranged at the bottom of the blocking pin column and connected with the inner wall bottom of the longitudinal hole, a transverse hole is formed on the outer side of the lower mold body, the transverse hole and the longitudinal hole are arranged in a cross staggered manner, a clamping pin extending into the transverse hole is arranged on the outer side of the lower mold body, a fourth reset spring is arranged on one side of the clamping pin and connected with the lower mold body, a guide pressing rod is installed on the clamping pin, a slant guide connecting rail is slidably connected to the guide pressing rod, and a rectangular frame is arranged on the outer side of the lower mold body and connected with the slant guide connecting rail and located below the clamping pin.

[0007] As a further further scheme of the present application: the diameters of the locking hole, the transverse hole and the clamping pin are equal, and a ball is rotatably connected to one end of the clamping pin away from the fourth reset spring through a rotating shaft.

[0008] As a further further scheme of the present application: the horizontal height of one end of the slant guide connecting rail close to the lower mold body is less than the horizontal height of the other end of the slant guide connecting rail away from the lower mold body, and the inner wall width of the slant guide connecting rail is equal to the diameter of the guide pressing rod.

[0009] As a further further scheme of the present application: the horizontal height of the top end of the slant guide connecting rail is lower than the horizontal height of the top of the lower mold body.

[0010] As a further further scheme of the present application: a telescopic rod is arranged at the bottom of the lower mold body, and a telescopic spring is arranged on the telescopic rod.

[0011] As a further further scheme of the present application: the shifting movable part comprises a positioning frame block installed at the bottom of the movable frame, a piston cylinder located below the lower mold body is arranged on the positioning frame block, a piston rod extending to the outside of the piston cylinder is inserted into the inside of the piston cylinder, a bottom plate connected with the lower mold body is arranged at one end of the piston rod, a ring-shaped warehouse located outside the telescopic cylinder is arranged at the top of the top plate, a first reset spring is installed at the top of the ring-shaped warehouse, a U-shaped connecting plate extending below the top plate is arranged at the top end of the first reset spring, a top rod penetrating through the top plate and extending into the inside of the ring-shaped warehouse is arranged at the inside of the U-shaped connecting plate, a ring-shaped plug plate located inside the ring-shaped warehouse is arranged at the top end of the top rod, and a hose connected with the piston cylinder is installed on the outer wall of the ring-shaped warehouse.

[0012] As a further further scheme of the present application: the length of the piston cylinder is greater than the length of the lower mold body, and the vertical central axis of the piston cylinder is aligned with the vertical central axis of the lower mold body.

[0013] As a further further scheme of the present application: the movable frame is provided with a sliding groove matched with the side plate away from the guide column.

[0014] The application further discloses an integrated inductor hot-pressing process adopting the integrated inductor hot-pressing device.

[0015] S1: when pressing the inductor blank, first, the corresponding mold connecting plate is selected according to the size of the U-Core magnetic core;

[0016] S2: then, the mold connecting plate is installed on the top of the lower mold body through the dismounting and connecting replacement part, and then the U-Core magnetic core prepared in advance through the powder forming mode is placed in the processing groove on the mold connecting plate;

[0017] S3: the T-Core magnetic core prepared in advance is placed in the U-Core magnetic core;

[0018] S4: the telescopic air cylinder, the upper mold body and the lower mold body are started, the lower mold body drives the mold connecting plate to move between the upper mold body and the base by the descending of the upper mold body driven by the telescopic air cylinder, and then the upper mold body continues to descend to make the upper mold body and the top plate close, so that the T-Core magnetic core and the U-Core magnetic core are combined and hot-pressed;

[0019] S5: when the telescopic air cylinder drives the upper mold body to ascend, the lower mold body drives the mold connecting plate to move out of the upper mold body and the base through the displacement movable part, and the hot-pressed product is taken.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1. By arranging the dismounting and connecting replacement part, when the mold connecting plate is replaced, the rectangular frame is pressed downward, at this time, the rectangular frame drives the inclined guide rail to descend, the locking hole and the locking hole are separated, the third reset spring pushes the blocking pin to ascend and the pressing pin is pushed out of the longitudinal hole under the action of the elastic restoring force, at the same time, the blocking pin hinders the locking pin, so that the fourth reset spring cannot be restored, when the mold connecting plate is installed, the pressing pin and the blocking pin are aligned, then the mold connecting plate is pressed to make the pressing pin push the blocking pin to descend, when the locking hole and the transverse hole on the pressing pin are aligned, the locking pin is inserted into the locking hole under the action of the elastic restoring force of the fourth reset spring, so as to realize the installation and fixation of the mold connecting plate, the operation is simple, the mold can be quickly replaced according to the needs of different inductor products, the flexibility and production efficiency of the equipment are improved;

[0022] 2、By setting the displacement of the moving part, when the telescopic cylinder drives the upper die body to move up, the upper die body will push the bottom of the U-shaped connecting plate, so that the U-shaped connecting plate drives the longitudinal hole to move up, so as to make the annular plug plate extrude the water solution in the annular warehouse, so that the water solution in the annular warehouse enters the piston cylinder through the hose, so as to make the piston rod move away from the end of the hose, so that the piston rod drives the lower die body to move through the bottom plate, so that the lower die body can be moved out of the upper die body and the base, so as to prevent the top and four sides of the mold connecting plate from being blocked, so as to provide convenience for placing the magnetic core and taking the finished product. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall structure diagram of the present application;

[0024] Figure 2 It is the side view of the present application;

[0025] Figure 3 It is the connection diagram of the movable frame and the lower die body of the present application;

[0026] Figure 4 It is the connection diagram of the lower die body and the mold connecting plate of the present application;

[0027] Figure 5 It is the Figure 4 Enlarged view of A in the present application;

[0028] Figure 6 It is the connection diagram of the movable frame and the piston cylinder of the present application;

[0029] Figure 7 It is the connection diagram of the annular warehouse and the piston cylinder of the present application;

[0030] Figure 8 It is the internal structure diagram of the annular warehouse of the present application;

[0031] Figure 9 It is the internal structure diagram of the piston cylinder of the present application.

[0032] In the figure: 1, base; 2, guide column; 3, top plate; 4, telescopic air cylinder; 5, movable frame; 6, side plate; 7, lower mold main body; 8, upper mold main body; 9, annular bin; 10, U-shaped connecting plate; 11, first reset spring; 12, piston rod; 13, mold connecting plate; 14, second reset spring; 15, bottom plate; 16, piston cylinder; 17, hose; 18, guide pressing rod; 19, rectangular frame; 20, positioning block; 21, telescopic rod; 22, telescopic spring; 23, clamping pin; 24, inclined guide connecting rail; 25, blocking pin column; 26, third reset spring; 27, limiting column; 28, fourth reset spring; 29, pressing column; 30, transverse hole; 31, locking hole; 32, longitudinal hole; 33, annular plug plate; 34, top rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0035] Please refer to Figures 1-9The embodiment of the application discloses an integrally-formed inductance hot-pressing device, which comprises a base 1, a guide column 2 is arranged on the top of the base 1, a top plate 3 is arranged on the top of the guide column 2, a movable frame 5 is movably sleeved on the guide column 2, a side plate 6 is arranged on the side of the movable frame 5 away from the guide column 2, a lower mold main body 7 is arranged on one side of the side plate 6, a telescopic cylinder 4 is arranged on the top of the top plate 3, an upper mold main body 8 is arranged below the top plate 3 and connected with the output end of the telescopic cylinder 4, a dismounting and replacing part is arranged on the lower mold main body 7, a mold connecting plate 13 is connected with the top of the lower mold main body 7 through the dismounting and replacing part, a displacement movable part is arranged on the bottom of the lower mold main body 7, and a second reset spring 14 is arranged on the bottom of the movable frame 5 and connected with the top of the base 1.

[0036] In the embodiment, when the inductance blank is pressed, the corresponding mold connecting plate 13 is selected according to the size of the U-Core magnetic core, then the mold connecting plate 13 is arranged on the top of the lower mold main body 7 through the dismounting and replacing part, then the U-Core magnetic core prepared by the powder forming method is arranged in the processing groove on the mold connecting plate 13, then the T-Core magnetic core prepared in advance is arranged in the U-Core magnetic core, then the telescopic cylinder 4, the upper mold main body 8 and the lower mold main body 7 are started, the lower mold main body 7 drives the mold connecting plate 13 to move between the upper mold main body 8 and the base 1 by the descending of the upper mold main body 8 driven by the telescopic cylinder 4, then the upper mold main body 8 continues to descend to make the upper mold main body 8 and the top plate 3 close, so that the T-Core magnetic core and the U-Core magnetic core can be combined and hot-pressed, when the upper mold main body 8 is driven to ascend by the telescopic cylinder 4, the lower mold main body 7 drives the mold connecting plate 13 to move out of the upper mold main body 8 and the base 1 through the displacement movable part, so that the hot-pressed product can be conveniently taken and the T-Core magnetic core and the U-Core magnetic core can be conveniently placed.

[0037] Please pay attention to Figure 1 , Figure 3 , Figure 4 , Figure 5The disassembly and replacement parts include a pressure column 29 installed at the bottom edge of the mold connecting plate 13, a locking hole 31 is opened on the pressure column 29, a longitudinal hole 32 is opened at the top edge of the lower mold body 7, a limiting column 27 is installed at the bottom of the inner wall of the longitudinal hole 32, and a blocking pin 25 is sleeved on the limiting column 27. The bottom of the blocking pin 25 is provided with a third return spring 26 connected to the bottom of the inner wall of the longitudinal hole 32. A transverse hole 30 is opened on the outer side of the lower mold body 7. The transverse hole 30 and the longitudinal hole 32 are arranged in a cross-staggered shape. A locking pin 23 extending into the interior of the transverse hole 30 is provided on the outer side of the lower mold body 7. A fourth return spring 28 connected to the lower mold body 7 is provided on one side of the locking pin 23. A guide pressure rod 18 is installed on the locking pin 23. The guide pressure rod 18 is slidably connected with an inclined guide rail 24. The outer side of the lower mold body 7 is provided with a rectangular frame 19 connected to the inclined guide rail 24 and located below the locking pin 23.

[0038] In this embodiment: when replacing the mold connecting plate 13, first press the rectangular frame 19 downward, and the rectangular frame 19 will drive the inclined guide rail 24 to move downward, so that the guide pressure rod 18 can be moved in the direction away from the lower mold body 7 under the extrusion guide of the inclined guide rail 24, so as to stretch the fourth return spring 28 and separate the positioning pin 23 from the locking hole 31. At this time, the third return spring 26 will push the blocking pin 25 to move upward under the action of the elastic restoring force, so that the blocking pin 25 will push the pressure column 29 out of the longitudinal hole 32, and at the same time, the blocking pin 25 will block the positioning pin 23. , making the fourth reset spring 28 unable to restore, and then the mold connecting plate 13 can be replaced. When installing the mold connecting plate 13, the pressure column 29 can be aligned with the blocking pin 25, and then the mold connecting plate 13 is pressed so that the pressure column 29 pushes the blocking pin 25 to move downward. When the locking hole 31 and the transverse hole 30 on the pressure column 29 are aligned, the locking pin 23 will be inserted into the locking hole 31 under the action of the elastic restoring force of the fourth reset spring 28, so as to realize the installation and fixation of the mold connecting plate 13. The operation is simple, and it is convenient to quickly replace the mold according to the needs of different inductor products, thereby improving the flexibility and production efficiency of the equipment.

[0039] Please refer to Figure 4 、 Figure 5 The diameters of the locking hole 31, the transverse hole 30, and the locking pin 23 are equal, and the end of the locking pin 23 away from the fourth reset spring 28 is rotatably connected to a ball through a rotating shaft.

[0040] In this embodiment, this structure is provided to improve the stability of the connection between the mold connecting plate 13 and the lower mold body 7 , while also reducing the friction between one end of the locking pin 23 and the outer wall of the blocking pin 25 .

[0041] Please refer to Figure 3 、 Figure 4The horizontal height of the oblique guide rail 24 near one end of the lower mold body 7 is less than the horizontal height of the oblique guide rail 24 away from one end of the lower mold body 7, and the inner wall width of the oblique guide rail 24 is equal to the diameter of the guide pressing rod 18.

[0042] In this embodiment, the oblique guide rail 24 is arranged to drive the guide pressing rod 18 to move away from the lower mold body 7 when moving downward.

[0043] Please refer to Figure 3 The horizontal height of the top end of the oblique guide rail 24 is lower than the horizontal height of the top of the lower mold body 7.

[0044] In this embodiment, the oblique guide rail 24 is arranged to prevent the downward movement of the upper mold body 8 from being hindered, thereby preventing the oblique guide rail 24 from affecting the closing of the upper mold body 8 and the mold connecting plate 13.

[0045] Please refer to Figure 1 , Figure 3 , Figure 4 The bottom of the lower mold body 7 is provided with a telescopic rod 21, and the telescopic rod 21 is provided with a telescopic spring 22.

[0046] In this embodiment, the lower mold body 7 is provided with a telescopic spring 22, which prevents the upper mold body 8 from being subjected to a large impact force when contacting the mold connecting plate 13, and further improves the stability of the magnetic core inside the mold connecting plate 13.

[0047] Please refer to Figure 2 , Figure 6 , Figure 7 , Figure 8 , Figure 9 The displacement movable part includes a positioning block 20 mounted on the bottom of the movable frame 5, a piston cylinder 16 located below the lower mold body 7 is arranged on the positioning block 20, a piston rod 12 extending to the outside of the piston cylinder 16 is inserted into the inside of the piston cylinder 16, a bottom plate 15 connected with the lower mold body 7 is arranged at one end of the piston rod 12, a ring-shaped warehouse 9 located outside the telescopic cylinder 4 is arranged on the top of the top plate 3, a first reset spring 11 is mounted on the top of the ring-shaped warehouse 9, a U-shaped connecting plate 10 extending below the top plate 3 is arranged at the top end of the first reset spring 11, a top rod 34 penetrating through the top plate 3 and extending to the inside of the ring-shaped warehouse 9 is arranged on the inside of the U-shaped connecting plate 10, a ring-shaped plug plate 33 located inside the ring-shaped warehouse 9 is arranged at the top end of the top rod 34, and a hose 17 connected with the piston cylinder 16 is mounted on the outer wall of the ring-shaped warehouse 9.

[0048] In this embodiment: when the telescopic cylinder 4 drives the upper die body 8 to move upwards, the upper die body 8 will push the bottom of the U-shaped connecting plate 10, so that the U-shaped connecting plate 10 drives the longitudinal hole 32 to move upwards, so as to make the annular plug plate 33 extrude the aqueous solution in the annular chamber 9, so that the aqueous solution in the annular chamber 9 enters the piston cylinder 16 through the hose 17, so as to make the piston rod 12 move away from the end of the hose 17, so that the piston rod 12 drives the lower die body 7 to move through the bottom plate 15, so that the lower die body 7 can be moved out of the upper die body 8 and the base 1, so as to prevent the top and four sides of the mold connecting plate 13 from being blocked, and then the magnetic core can be placed inside the mold connecting plate 13, when the upper die body 8 moves downwards, the U-shaped connecting plate 10 will be restored under the action of the elastic restoring force of the first reset spring 11, so as to make the lower die body 7 move to between the upper die body 8 and the base 1, at this time, the upper die body 8 continues to move downwards to realize the closing of the mold.

[0049] Please refer to Figure 4 , the length of the piston cylinder 16 is greater than the length of the lower die body 7, and the vertical central axis of the piston cylinder 16 is aligned with the vertical central axis of the lower die body 7.

[0050] In this embodiment: by setting this structure, the stability of the movement of the lower die body 7 is improved, and at the same time, the lower die body 7 is moved out of the upper die body 8 and the base 1 when the piston rod 12 is fully stretched.

[0051] Please refer to Figure 1 、 Figure 6 , the side away from the guide column 2 of the movable frame 5 is provided with a sliding groove matched with the side plate 6.

[0052] In this embodiment: by setting this structure, the movable space is provided for the movement of the lower die body 7 relative to the movable frame 5.

[0053] The following will combine the above-mentioned one-piece integrated inductor hot pressing device to provide a one-piece integrated inductor hot pressing process, which specifically includes the following steps:

[0054] S1: when pressing the inductor blank, first select the corresponding mold connecting plate 13 according to the size of the U-Core magnetic core;

[0055] S2: When the mold connecting plate 13 is replaced, first press the rectangular frame 19 downward, at this time the rectangular frame 19 will drive the inclined guide rail 24 to move downward, so that the guide pressing rod 18 moves away from the lower mold body 7 under the extrusion guidance of the inclined guide rail 24, so as to make the fourth reset spring 28 stretch, and at the same time make the locking pin 23 separate from the locking hole 31, at this time the third reset spring 26 will push the blocking pin column 25 to move upward under the action of the elastic restoring force, so as to make the blocking pin column 25 push the pressing column 29 out of the longitudinal hole 32, and at the same time the blocking pin column 25 hinders the locking pin 23, so that the fourth reset spring 28 cannot recover, then the mold connecting plate 13 can be replaced, when the mold connecting plate 13 is installed, the pressing column 29 and the blocking pin column 25 are aligned, then press the mold connecting plate 13 to make the pressing column 29 push the blocking pin column 25 to move downward, when the locking hole 31 and the transverse hole 30 on the pressing column 29 are aligned, the locking pin 23 will be inserted into the locking hole 31 under the action of the elastic restoring force of the fourth reset spring 28, so as to realize the installation and fixation of the mold connecting plate 13, which is simple to operate and convenient for quickly replacing the mold according to the needs of different inductance products, improves the flexibility and production efficiency of the equipment, and then the U-Core magnetic core prepared in advance by powder molding is placed in the processing groove on the mold connecting plate 13;

[0056] S3: Place the prepared T-Core magnetic core in the U-Core magnetic core;

[0057] S4: When the telescopic cylinder 4 drives the upper mold body 8 to move upward, the upper mold body 8 will push the bottom of the U-shaped connecting plate 10, so that the U-shaped connecting plate 10 drives the longitudinal hole 32 to move upward, so as to make the annular plug plate 33 extrude the aqueous solution in the annular tank 9, so that the aqueous solution in the annular tank 9 enters the piston cylinder 16 through the hose 17, so as to make the piston rod 12 move away from one end of the hose 17, so that the piston rod 12 drives the lower mold body 7 through the bottom plate 15, so that the lower mold body 7 moves out of the upper mold body 8 and the base 1, so as to prevent the top and four sides of the mold connecting plate 13 from being blocked, then the magnetic core is placed inside the mold connecting plate 13, then the upper mold body 8 continues to move downward to make the upper mold body 8 and the top plate 3 close, so as to heat-press form the combined T-Core magnetic core and U-Core magnetic core;

[0058] S5: Move the movable part to make the lower mold body 7 drive the mold connecting plate 13 to move out of the upper mold body 8 and the base 1, and take the heat-pressed product.

[0059] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An integrated inductive hot-pressing device comprising a base (1), characterized in that, The top of the base (1) is provided with a guide column (2), the top end of the guide column (2) is provided with a top plate (3) above the base (1), the guide column (2) is movably sleeved with a movable frame (5), the side of the movable frame (5) away from the guide column (2) is provided with a side plate (6), the side plate (6) is provided with a lower mold body (7), the top of the top plate (3) is provided with a telescopic cylinder (4), the output end of the telescopic cylinder (4) is connected with an upper mold body (8) below the top plate (3), the lower mold body (7) is provided with a detachable replacement part, the top of the lower mold body (7) is connected with a mold connecting plate (13) through the detachable replacement part, the bottom of the lower mold body (7) is provided with a displacement movable part, the bottom of the movable frame (5) is provided with a second reset spring (14) outside the guide column (2) and connected with the top of the base (1). The detachable replacement part comprises a pressure position column (29) mounted at the bottom edge of the mold connecting plate (13), the pressure position column (29) is provided with a locking hole (31), the top edge of the lower mold body (7) is provided with a longitudinal hole (32), the inner wall bottom of the longitudinal hole (32) is provided with a limiting column (27), the limiting column (27) is sleeved with a blocking pin column (25), the bottom of the blocking pin column (25) is provided with a third reset spring (26) connected with the inner wall bottom of the longitudinal hole (32), the outer side of the lower mold body (7) is provided with a transverse hole (30), the transverse hole (30) and the longitudinal hole (32) are arranged in a cross staggered manner, the outer side of the lower mold body (7) is provided with a clamping pin (23) extending into the transverse hole (30), the side of the clamping pin (23) is provided with a fourth reset spring (28) connected with the lower mold body (7), the clamping pin (23) is provided with a guide pressure rod (18), the guide pressure rod (18) is slidably connected with an inclined guide connecting rail (24), the outer side of the lower mold body (7) is provided with a rectangular frame (19) connected with the inclined guide connecting rail (24) and below the clamping pin (23). The horizontal height of one end of the inclined guide connecting rail (24) close to the lower mold body (7) is less than the horizontal height of the other end of the inclined guide connecting rail (24) away from the lower mold body (7), and the inner wall width of the inclined guide connecting rail (24) is equal to the diameter of the guide pressure rod (18).

2. The one-piece induction heating press apparatus of claim 1, wherein, The diameters of the locking hole (31), the transverse hole (30) and the clamping pin (23) are equal, and the end of the clamping pin (23) away from the fourth reset spring (28) is rotatably connected with a ball through a rotating shaft.

3. The one-piece induction heating press apparatus of claim 1, wherein: The horizontal height of the top end of the inclined guide connecting rail (24) is lower than the horizontal height of the top of the lower mold body (7).

4. The one-piece induction heating press apparatus of claim 1, wherein: The bottom of the lower mold body (7) is provided with a telescopic rod (21), and the telescopic rod (21) is provided with a telescopic spring (22).

5. The one-piece induction heating press apparatus of claim 1, wherein: The shifting movable part comprises a positioning frame block (20) mounted on the bottom of the movable frame (5), the positioning frame block (20) is provided with a piston cylinder (16) below the lower mold body (7), the piston cylinder (16) is internally inserted with a piston rod (12) extending to the outside of the piston cylinder (16), one end of the piston rod (12) is provided with a bottom plate (15) connected with the lower mold body (7), the top of the top plate (3) is provided with an annular bin (9) outside the telescopic air cylinder (4), the top of the annular bin (9) is mounted with a first reset spring (11), the top end of the first reset spring (11) is provided with a U-shaped connecting plate (10) extending below the top plate (3), the inner side of the U-shaped connecting plate (10) is provided with a top rod (34) penetrating through the top plate (3) and extending to the inside of the annular bin (9), the top end of the top rod (34) is provided with an annular plug plate (33) inside the annular bin (9), the outer wall of the annular bin (9) is mounted with a hose (17) connected with the piston cylinder (16).

6. The one-piece induction heating press apparatus of claim 5, wherein, The length of the piston cylinder (16) is greater than the length of the lower mold body (7), and the vertical central axis of the piston cylinder (16) is aligned with the vertical central axis of the lower mold body (7).

7. The one-piece inductive hot pressing device according to claim 5, characterized in that: The side of the movable frame (5) away from the guide column (2) is provided with a sliding groove matched with the side plate (6).

8. A hot pressing process for integrally formed inductors, characterized in that: The one-piece induction hot pressing device of any one of claims 1-7 comprises the following steps: S1: when pressing the induction blank, first select the corresponding mold connecting plate (13) according to the size of the U-Core magnetic core; S2: then install the mold connecting plate (13) on the top of the lower mold body (7) through the disconnection replacement part, and then place the U-Core magnetic core prepared in advance by powder forming in the machining groove on the mold connecting plate (13); S3: place the pre-prepared T-Core magnetic core in the U-Core magnetic core; S4: start the telescopic air cylinder (4), the upper mold body (8), and the lower mold body (7), and drive the upper mold body (8) to move downward by the telescopic air cylinder (4) to make the lower mold body (7) drive the mold connecting plate (13) to move between the upper mold body (8) and the base (1), and then the upper mold body (8) continues to move downward to make the upper mold body (8) and the top plate (3) close, so that the T-Core magnetic core and the U-Core magnetic core can be combined and hot pressed; S5: when the telescopic air cylinder (4) drives the upper mold body (8) to move upward, the lower mold body (7) drives the mold connecting plate (13) to move out of the upper mold body (8) and the base (1) through the shifting movable part, and the hot pressed product is taken.

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