Powder forming press with independent drive structure for upper part

Abstract

The application discloses a powder forming press with upper independent driving structure, which comprises a box body, an upper one lifting driving device, an upper two lifting driving device, an upper one plate, an upper two plate, an upper one punch, an upper two punch, a middle die plate, a lower one plate, a lower two plate, a middle die, a lower one punch, a lower two punch, a middle die plate lifting driving device and a lower one lifting driving device, the upper two lifting driving device and the upper one lifting driving device are respectively arranged downward through the upper end of the box body, and the upper one lifting driving device and the upper two lifting driving device are horizontally arranged side by side and at the same height. The upper one upper two independent driving structure is adopted, the upper two plate and the upper one plate are in distance proportion, the same direction and reverse up-down movement can be realized, the actions and positions of the upper one plate and the upper two plate can be more intuitively controlled, the height of the press is not affected when the upper one plate and the upper two plate simultaneously need large torque configuration, and the requirement for the upper space of the press can be effectively reduced on the body structure.

Description

Technical Field

[0001] The present invention relates to the technical field of powder forming presses, and more particularly to a powder forming press with an upper portion adopting an independent driving structure. Background Art

[0002] A powder forming press is a device that presses metal powder or ceramic powder into a fixed shape (such as a block). However, the upper drive structure of the two-upper-two-lower powder forming press currently on the market all adopts a linkage drive mode (such as Figure 14 As shown), the upper two motors 01 of the dual drive on both sides are installed on the guide plate 04 of the upper motor screw 03 in the middle part (the guide plate is fixedly connected to the upper motor screw sleeve 02). When the upper and lower motors of this linkage drive mode require a large torque configuration at the same time, the height of the press will be increased accordingly, thereby increasing the height of the space occupied by the press. Summary of the Invention

[0003] The object of the present invention is to overcome the above-mentioned defects in the prior art and to provide a powder forming press with a relatively low body height and an upper and a lower part adopting an independent drive structure.

[0004] To achieve the above-mentioned purpose, the present invention provides a powder forming press with an independent driving structure on the upper part, comprising a box body, an upper lifting driving device, an upper second lifting driving device, an upper plate, an upper second plate, an upper punch, an upper second punch, a middle template, a lower plate, a lower second plate, a middle template, a lower punch, a lower second punch, a middle template lifting driving device and a lower lifting driving device, wherein the upper two lifting driving devices are downwardly penetrated through the upper end of the box body, the upper lifting driving device is provided with two groups, the upper lifting driving device is downwardly penetrated through the upper end of the box body and is respectively located on both sides of the upper two lifting driving devices, the upper lifting driving device and the upper two lifting driving devices are arranged side by side horizontally and at the same height, the The upper two plates, the upper plate, the middle template and the lower plate are all located inside the box body and are arranged in sequence from top to bottom below the upper lifting drive device and the upper two lifting drive devices. The lower ends of the upper two lifting drive devices are connected to the middle of the top surface of the upper two plates. The lower ends of the upper lifting drive devices pass downward through both sides of the upper two plates and are connected to the upper plate. The upper punch is installed at the bottom center of the upper plate through the first connecting piece. The upper two punches are installed at the bottom center of the upper plate through the second connecting piece. When the upper two lifting drive devices drive the upper two punches to descend relative to the upper plate, the upper two punches can pass downward through the upper plate, the first connecting piece and the upper punch and then extend from the bottom position of the upper punch.

[0005] The middle template lifting drive device is upwardly penetrated at the lower end of the box body, the upper end of the middle template lifting drive device upwardly penetrates through the next plate and is connected to the middle template, the next lifting drive device upwardly penetrates the lower end of the box body, the upper end of the next lifting drive device is connected to the next plate, the lower two plates are fixedly mounted at the inner lower end of the box body and are located below the next plate, the middle die is mounted at the top center of the middle template through the middle die mounting seat, the next punch is mounted at the top center of the next plate through the fourth connecting piece, and the lower two punches are mounted at the top center of the lower two plates through the fifth connecting piece. When the next lifting drive device drives the next punch to rise relative to the middle template, the next punch can upwardly penetrate the middle template and the middle die mounting seat and then extend into the mold cavity hole of the middle die. When the next lifting drive device drives the next punch to descend relative to the lower two plates, the lower two punches can upwardly penetrate the next plate, the fourth connecting piece and the next punch and then extend out at the top position of the next punch.

[0006] As a preferred embodiment, it also includes a core rod mounting seat, which includes a connecting rod, a core rod plate, a core rod height adjustment device, a core rod lifting drive device and a core rod locking seat. The core rod plate is located below the box body, and the upper end of the connecting rod is fixedly connected to the bottom of the middle template. The lower end of the connecting rod passes through the next plate and the lower end of the box body in sequence and is connected to the core rod plate. The core rod height adjustment device is installed on the core rod plate, the core rod lifting drive device is installed on the core rod height adjustment device, and the core rod locking seat is installed on the upper lifting position of the core rod lifting drive device. The bottom plate, the lower two plates and the fifth connecting piece of the box body are all provided with a middle through hole for the upper end of the core rod mounting seat to pass through.

[0007] As a preferred embodiment, the core rod height adjustment device includes a worm, a worm rotating motor, a turbine and a screw, the worm is horizontally and rotatably installed inside the core rod plate, the worm rotating motor is installed on the core rod plate and is connected to the worm transmission, the turbine is rotatably installed inside the core rod plate and is connected to the worm transmission, and the screw is longitudinally penetrated into the center hole of the turbine and is threadedly connected to the internal thread of the inner wall of the center hole of the turbine.

[0008] As a preferred embodiment, the mandrel lifting drive device is configured as a mandrel lifting cylinder.

[0009] As a preferred embodiment, the upper lifting drive device includes an upper motor, an upper screw, an upper nut and an upper screw sleeve rod, the upper screw rod is longitudinally and rotatably penetrated through the upper end of the box body, the upper motor is located above the upper screw rod and is transmission connected to the upper screw rod, the upper nut is threadedly connected to the upper screw rod, the upper screw sleeve rod is longitudinally and liftably penetrated through the upper fixed plate provided at the upper end of the box body and is located at the lower position of the upper screw rod, the upper nut is fixedly connected to the upper screw sleeve rod, and the bottom of the upper screw sleeve rod is respectively connected to the two sides of the top of the upper plate;

[0010] The upper two lifting drive devices include upper two motors, upper two screw rods, upper two nuts and upper two screw rod sleeves. The upper two screw rods are longitudinally and rotatably arranged on the upper end of the box body. The upper two motors are located above the upper two screw rods and are transmission connected to the upper two screw rods. The upper two nuts are threadedly connected to the upper two screw rods. The upper two screw rod sleeves are longitudinally and liftably arranged on the upper fixed plate provided at the upper end of the box body and are located at the lower position of the upper two screw rods. The upper two nuts are fixedly connected to the upper two screw rod sleeves, and the bottoms of the upper two screw rod sleeves are connected to the middle of the top surfaces of the upper two plates.

[0011] As a preferred embodiment, the middle template lifting drive device includes a middle template lifting motor, a middle template lifting screw, a middle template lifting nut and a middle template screw sleeve. The middle template lifting screw is provided with two and is longitudinally and rotatably passed through the two corners of the bottom plate of the box body diagonally opposite. The middle template lifting motor is provided with two and is respectively connected to the lower end of the corresponding middle template lifting screw. The middle template lifting nuts are provided with two and are respectively threadedly connected to the corresponding middle template lifting screw. The middle template screw sleeve is provided with two, and the upper ends of the middle template screw sleeves pass through the next plate and are connected to the two corners of the bottom of the middle template diagonally opposite, and the lower ends of the middle template screw sleeves are fixedly connected to the corresponding middle template lifting nuts.

[0012] As a preferred embodiment, the next lifting drive device includes a next motor, a next screw rod, a next nut and a next screw rod sleeve rod. The next screw rod is provided with two and is longitudinally and rotatably passed through the other two corners diagonally opposite the bottom plate of the box body. The next motor is provided with two and is respectively connected to the lower end of the corresponding next screw rod. The next nut is provided with two and is respectively threadedly connected to the corresponding next screw rod. The next screw rod sleeve rod is provided with two, and the upper ends of the next screw rod sleeve rods are respectively connected to the two diagonally opposite corners of the bottom of the next plate, and the lower ends of the next screw rod sleeve rods are respectively fixedly connected to the corresponding next nuts.

[0013] As a preferred embodiment, the first connecting member includes an upper R clamp and an upper R mounting seat, and the upper R clamp is installed at the bottom of the upper R mounting seat;

[0014] The second connecting member includes an upper second R clamp and an upper second R mounting seat, wherein the upper second R clamp is mounted on the bottom of the upper second R mounting seat;

[0015] The fourth connecting member includes a next R clamp and a next R mounting seat, and the next R clamp is mounted on the top of the next R mounting seat;

[0016] The fifth connecting member includes a lower two R clamp and a lower two R mounting seat, and the lower two R clamp is installed on the top of the lower two R mounting seat.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The structure of the present invention is simple and clear, with novel structure and reasonable design. It adopts an upper and lower two independent drive structure. The upper two plates and the upper plate are in a distance ratio and can realize the same and reverse up and down movement. The stroke distance is only related to the stroke of the lower mold frame, which can more intuitively control the movement and position of the upper plate and the upper two plates. Moreover, the upper lifting drive device and the upper two lifting drive devices of this independent drive structure can be arranged side by side and at the same height. When the upper plate and the upper two plates require a large torque configuration at the same time, it will not affect the height of the press, and the requirements for the upper space of the press can be effectively reduced in the fuselage structure.

[0019] 2. The upper plate, the upper second plate, the lower plate and the lower second plate of the present invention are all provided with 3R clamps for quick clamping of punches, which can effectively shorten the speed of changing punches of multi-layer molds. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural diagram provided by an embodiment of the present invention;

[0022] Figure 2 is a front view provided by an embodiment of the present invention;

[0023] Figure 3 Schematic diagram of the structure provided by an embodiment of the present invention (the box is hidden);

[0024] Figure 4 This is a front view of an embodiment of the present invention (the box is hidden);

[0025] Figure 51 is a schematic structural diagram of an upper driving portion provided by an embodiment of the present invention;

[0026] Figure 6 This is a schematic structural diagram of the upper plate and the upper second plate provided by an embodiment of the present invention;

[0027] Figure 7 It is a front view of the upper plate and the upper second plate provided by an embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure of the lower position provided by an embodiment of the present invention Figure 1 ;

[0029] Figure 9 This is a schematic diagram of the structure of the lower position provided by an embodiment of the present invention Figure 2 ;

[0030] Figure 10 This is an exploded view of the structure of the middle template, the lower plate, the lower second plate, and the core rod mounting seat provided by an embodiment of the present invention;

[0031] Figure 11 This is an exploded view (front view) of the middle plate, lower plate, lower second plate, and core rod mounting seat provided by an embodiment of the present invention;

[0032] Figure 12 1 is a schematic structural diagram of a core rod mounting base provided by an embodiment of the present invention;

[0033] Figure 13 1 is a schematic structural diagram of a mandrel mounting seat provided in an embodiment of the present invention (the mandrel plate is omitted);

[0034] Figure 14 The present invention is a schematic structural diagram of the upper driving part of an existing upper two and lower two powder forming press. DETAILED DESCRIPTION

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0036] Please refer to Figures 1 to 13An embodiment of the present invention provides a powder forming press with an independent upper drive structure, including a box body 1, an upper lifting drive device 2, an upper second lifting drive device 3, an upper plate 4, an upper second plate 5, an upper punch 6, an upper second punch 7, a middle template 8, a lower plate 9, a lower second plate 10, a middle die 11, a lower punch 12, a lower second punch 13, a middle template lifting drive device 14, a lower lifting drive device 15 and a core rod mounting seat 16. The structure and working principle of each component will be described below.

[0037] The upper two lifting drive devices 3 are downwardly penetrated through the upper end of the box body 1, and the upper lifting drive device 2 is provided with two groups. The upper lifting drive device 2 is downwardly penetrated through the upper end of the box body 1 and is respectively located on both sides of the upper two lifting drive devices 3. The upper lifting drive device 2 and the upper two lifting drive devices 3 are arranged side by side horizontally and at the same height. The upper two plates 5, the upper plate 4, the middle template 8 and the lower plate 9 are all located inside the box body 1 and are arranged in sequence from top to bottom below the upper lifting drive device 2 and the upper two lifting drive devices 3. The lower ends of the upper two lifting drive devices 3 are connected to the middle of the top surface of the upper two plates 5, and the lower ends of the upper lifting drive device 2 pass downward through both sides of the upper two plates 5 and are connected to the upper plate 4.

[0038] Preferably, the upper lifting drive device 2 may include an upper motor 21, an upper screw rod 22, an upper nut 23 and an upper screw rod sleeve rod 24. The upper screw rod 22 is longitudinally and rotatably penetrated through the upper end of the box body 1. The upper motor 21 is located above the upper screw rod 22 and is transmission-connected to the upper screw rod 22. The upper nut 23 is threadedly connected to the upper screw rod 22. The upper screw rod sleeve rod 24 is longitudinally and liftably penetrated through the upper fixed plate 17 provided at the upper end of the box body 1 and is located at the lower position of the upper screw rod 22. The upper nut 23 is fixedly connected to the upper screw rod sleeve rod 24. The bottom of the upper screw rod sleeve rod 24 passes downward through the two sides of the upper two plates 5 and is connected to the two sides of the top of the upper plate 4.

[0039] Preferably, the upper two lifting drive devices 3 may include upper two motors 31, upper two screw rods 32, upper two nuts 33 and upper two screw rod sleeves 34. The upper two screw rods 32 are longitudinally and rotatably arranged on the upper end of the box body 1. The upper two motors 31 are located above the upper two screw rods 32 and are transmission connected to the upper two screw rods 32. The upper two nuts 33 are threadedly connected to the upper two screw rods 32. The upper two screw rod sleeves 34 are longitudinally and liftably arranged on the upper fixed plate 17 provided at the upper end of the box body 1 and are located at the lower position of the upper two screw rods 32. The upper two nuts 33 are fixedly connected to the upper two screw rod sleeves 34, and the bottom of the upper two screw rod sleeves 34 is connected to the middle of the top surface of the upper two plates 5.

[0040] In this embodiment, the upper fixed plate 17 provided at the upper end of the box body 1 and the upper two screw sleeve rods 34 and the upper screw sleeve rod 24 can be connected by a slide rail slider assembly 18 to achieve a lifting guide connection, which can further improve the transmission accuracy of the upper lifting drive device and the upper two lifting drive devices.

[0041] The upper punch 6 is mounted at the bottom center of the upper plate 4 via a first connecting member 61 .

[0042] Specifically, the first connecting member 61 may include an upper 3R clamp 611 and an upper 3R mounting seat 612 , the upper 3R clamp 611 is mounted on the bottom of the upper 3R mounting seat 612 , and the upper punch 6 is mounted on the bottom of the upper 3R clamp.

[0043] The upper second punch 7 is mounted at the bottom center of the upper second plate 5 via a second connecting piece 71 .

[0044] The second connecting member 71 includes two upper 3R clamps 711 and two upper 3R mounting seats 712 . The two upper 3R clamps 711 are mounted on the bottom of the two upper 3R mounting seats 712 , and the two upper punches are mounted on the bottom of the two upper 3R clamps.

[0045] When the upper second lifting drive device 3 drives the upper second punch 7 to descend relative to the upper plate 4, the upper second punch 7 can pass downward through the upper plate 4, the first connecting member 61 and the upper punch 6 and then extend from the bottom position of the upper punch 6.

[0046] The middle template lifting drive device 14 is upwardly penetrated through the lower end of the box body 1 , and the upper end of the middle template lifting drive device 14 is upwardly penetrated through the next plate 9 and connected to the middle template 8 .

[0047] During implementation, the middle template lifting drive device 14 may include a middle template lifting motor 141, a middle template lifting screw 142, a middle template lifting nut 143 and a middle template screw sleeve 144. The middle template lifting screw 142 is provided with two and is longitudinally and rotatably passed through the two corners of the bottom plate of the box body 1 diagonally opposite. The middle template lifting motor 141 is provided with two and is respectively connected to the lower end of the corresponding middle template lifting screw 142. There are two middle template lifting nuts 143 and they are respectively threadedly connected to the corresponding middle template lifting screw 142. There are two middle template screw sleeves 144. The upper ends of the middle template screw sleeves 144 pass through the next plate 9 and are connected to the two corners of the bottom of the middle template 8 diagonally opposite. The lower ends of the middle template screw sleeves 144 are fixedly connected to the corresponding middle template lifting nuts 143.

[0048] The next lifting drive device 15 is upwardly penetrated through the lower end of the box body 1 , and the upper end of the next lifting drive device 15 is connected to the next plate 9 .

[0049] Preferably, the next lifting drive device 15 may include a next motor 151, a next screw rod 152, a next nut 153 and a next screw rod sleeve rod 154. The next screw rod 152 is provided with two and is longitudinally and rotatably passed through the other two corners diagonally opposite the bottom plate of the box body 1. The next motor 151 is provided with two and is respectively connected to the lower end of the corresponding next screw rod 152. The next nut 153 is provided with two and is respectively threadedly connected to the corresponding next screw rod 152. The next screw rod sleeve rod 154 is provided with two, and the upper ends of the next screw rod sleeve rod 154 are respectively connected to the two corners diagonally opposite the bottom of the next plate 9, and the lower ends of the next screw rod sleeve rod 154 are respectively fixedly connected to the corresponding next nuts 153.

[0050] The lower two plates 10 are fixedly mounted at the lower end of the inner portion of the box body 1 and are located below the next plate 9. The middle die 11 is mounted at the top center of the middle die plate 8 through the middle die mounting base 111. The next punch 12 is mounted at the top center of the next plate 9 through the fourth connecting piece 121. The lower two punches 13 are mounted at the top center of the lower two plates 10 through the fifth connecting piece 131.

[0051] In specific implementation, the fourth connecting member 121 may include a next 3R clamp 1211 and a next 3R mounting seat 1212, the next 3R clamp 1211 is installed on the top of the next 3R mounting seat 1212, and the next punch 12 is installed on the top of the next 3R clamp 1211. The fifth connecting member 131 may include a lower second 3R clamp 1311 and a lower second 3R mounting seat 1312, the lower second 3R clamp 1311 is installed on the top of the lower second 3R mounting seat 1312, and the lower second punch 13 is installed on the top of the lower second 3R clamp 1311.

[0052] Among them, all 3R clamps of this embodiment can adopt the 3R clamps commonly used in the market for installing press punches, and the specific structure of the 3R clamps will not be described in detail here.

[0053] When the next lifting drive device 15 drives the next punch 12 to rise relative to the middle template 8, the next punch 12 can pass upward through the middle template 8 and the middle mold mounting seat 111 and then extend into the cavity hole of the middle mold 11. When the next lifting drive device 15 drives the next punch 12 to descend relative to the lower two plates 10, the lower two punches 13 can pass upward through the next plate 9, the fourth connecting piece 121 and the next punch 12 and then extend out at the top position of the next punch 12.

[0054] The core rod mounting seat 16 includes a connecting rod 161, a core rod plate 162, a core rod height adjustment device, a core rod lifting drive device 164 and a core rod locking seat 165. In this embodiment, the core rod lifting drive device 164 can be set as a core rod lifting cylinder, and the core rod plate 162 is located below the box body 1. The upper end of the connecting rod 161 is fixedly connected to the bottom of the middle template 8, and the lower end of the connecting rod 161 passes through the next plate 9 and the lower end of the box body 1 in sequence and is connected to the core rod plate 162.

[0055] Specifically, the core rod height adjustment device may include a worm 1631, a worm rotating motor 1632, a turbine 1633 and a screw 1634. The worm 1631 is horizontally and rotatably installed inside the core rod plate 162. The worm rotating motor 1632 is installed on the core rod plate 162 and is connected to the worm 1631. The turbine 1633 is rotatably installed inside the core rod plate 162 and is connected to the worm 1631. The screw 1634 is longitudinally penetrated into the center hole of the turbine 1633 and is threadedly connected to the internal thread of the inner wall of the center hole of the turbine 1633.

[0056] When the height of the core rod needs to be adjusted, the worker can control the worm rotation motor to drive the worm to rotate, thereby driving the turbine to rotate, so that the turbine drives the screw up and down, thereby achieving the height adjustment of the core rod.

[0057] The core rod lifting cylinder is installed upward at the upper end of the screw 1634, and the core rod locking seat 165 is installed at the upper end of the output shaft of the core rod lifting cylinder. The bottom plate, the lower two plates 10 and the fifth connecting piece 131 of the box body 1 are all provided with a middle through hole for the upper end of the core rod mounting seat 16 to penetrate.

[0058] Of course, during implementation, the core rod can be installed on the core rod locking seat, and the upper end of the core rod can pass upward through the fifth connecting piece 131 and the lower two punches and then extend out from the top of the lower two punches.

[0059] During operation, the upper end of the next punch extends into the lower end of the cavity hole of the middle die, and the upper end of the lower two punches passes through the next punch and extends into the cavity hole of the middle die. The core rod is installed on the core rod locking seat, and the upper end of the core rod passes through the fifth connecting piece and the lower two punches in sequence and extends into the cavity hole of the middle die. Then, the powder is filled into the cavity hole of the middle die manually or by a powder filling mechanism. After the powder filling is completed, the upper lifting drive device drives the upper punch to descend, so that the lower end of the upper punch is inserted into the cavity hole of the middle die, and the upper two lifting drive devices drive the upper two punches to descend, so that the lower end of the upper two punches passes through the upper punch and extends into the cavity hole of the middle die, thereby realizing material division and pressing.

[0060] In summary, the present invention has the following advantages:

[0061] 1. The structure of the present invention is simple and clear, with novel structure and reasonable design. It adopts an upper and lower two independent drive structure. The upper two plates and the upper plate are in a distance ratio and can realize the same and reverse up and down movement. The stroke distance is only related to the stroke of the lower mold frame, which can more intuitively control the movement and position of the upper plate and the upper two plates. Moreover, the upper lifting drive device and the upper two lifting drive devices of this independent drive structure can be arranged side by side and at the same height. When the upper plate and the upper two plates require a large torque configuration at the same time, it will not affect the height of the press, and the requirements for the upper space of the press can be effectively reduced in the fuselage structure.

[0062] 2. The upper plate, the upper second plate, the lower plate and the lower second plate of the present invention are all provided with 3R clamps for quick clamping of punches, which can effectively shorten the speed of changing punches of multi-layer molds.

[0063] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A powder forming press with an independent upper drive structure, characterized in that: The invention comprises a box body (1), an upper lifting drive device (2), an upper second lifting drive device (3), an upper plate (4), an upper second plate (5), an upper punch (6), an upper second punch (7), a middle template (8), a lower plate (9), a lower second plate (10), a middle die (11), a lower punch (12), a lower second punch (13), a middle template lifting drive device (14) and a lower lifting drive device (15), wherein the upper second lifting drive devices (3) are downwardly penetrated through the upper end of the box body (1), the upper lifting drive device (2) is provided with two groups, the upper lifting drive device (2) is downwardly penetrated through the upper end of the box body (1) and is respectively located on both sides of the upper second lifting drive devices (3), the upper lifting drive device (2) and the upper second lifting drive devices (3) are arranged side by side in a horizontal manner and are at the same height, the upper second plate (5), the upper plate (4), the middle template (8) and the next plate (9) are both located inside the box body (1) and are arranged sequentially from top to bottom below the upper lifting drive device (2) and the upper second lifting drive device (3); the lower ends of the upper second lifting drive devices (3) are connected to the middle of the top surface of the upper second plates (5); the lower ends of the upper lifting drive device (2) respectively pass downward through both sides of the upper second plates (5) and are connected to the upper plate (4); the upper punch (6) is installed at the bottom center of the upper plate (4) through the first connecting member (61); the upper second punch (7) is installed at the bottom center of the upper second plates (5) through the second connecting member (71); when the upper second lifting drive devices (3) drive the upper second punch (7) to descend relative to the upper plate (4), the upper second punch (7) can pass downward through the upper plate (4), the first connecting member (61) and the upper punch (6) and then extend from the bottom position of the upper punch (6); The middle template lifting drive device (14) is upwardly penetrated at the lower end of the box body (1), the upper end of the middle template lifting drive device (14) is upwardly penetrated through the next plate (9) and connected to the middle template (8), the next lifting drive device (15) is upwardly penetrated at the lower end of the box body (1), the upper end of the next lifting drive device (15) is connected to the next plate (9), the lower two plates (10) are fixedly mounted at the lower end of the interior of the box body (1) and are located below the next plate (9), the middle die (11) is mounted at the top center of the middle die plate (8) through the middle die mounting seat (111), and the next punch (12) is mounted on the next plate (9) through the fourth connecting member (121) The top center of the lower second plate (10), the lower second punch (13) is installed at the top center of the lower second plate (10) through the fifth connecting piece (131); when the next lifting drive device (15) drives the next punch (12) to rise relative to the middle template (8), the next punch (12) can pass through the middle template (8) and the middle mold mounting seat (111) upwards and then extend into the cavity hole of the middle mold (11); when the next lifting drive device (15) drives the next punch (12) to descend relative to the lower second plate (10), the lower second punch (13) can pass through the next plate (9), the fourth connecting piece (121) and the next punch (12) upwards and then extend at the top position of the next punch (12).

2. The powder forming press with an upper independent drive structure according to claim 1, characterized in that: It also includes a mandrel mounting seat (16), the mandrel mounting seat (16) including a connecting rod (161), a mandrel plate (162), a mandrel height adjustment device, a mandrel lifting drive device (164) and a mandrel locking seat (165), the mandrel plate (162) is located below the box (1), the upper end of the connecting rod (161) is fixedly connected to the bottom of the middle template (8), and the lower end of the connecting rod (161) passes through the next plate (9) and the lower end of the box (1) in sequence. The mandrel plate (162) is connected to the mandrel plate (162), the mandrel height adjustment device is installed on the mandrel plate (162), the mandrel lifting drive device (164) is installed on the mandrel height adjustment device, and the mandrel locking seat (165) is installed on the upper lifting position of the mandrel lifting drive device (164). The bottom plate, the lower two plates (10) and the fifth connecting member (131) of the box body (1) are all provided with a middle through hole for the upper end of the mandrel mounting seat (16) to penetrate.

3. The powder forming press with an upper independent drive structure according to claim 2, characterized in that: The core rod height adjustment device includes a worm (1631), a worm rotating motor (1632), a turbine (1633) and a screw (1634), wherein the worm (1631) is laterally and rotatably mounted inside the core rod plate (162), the worm rotating motor (1632) is mounted on the core rod plate (162) and is in transmission connection with the worm (1631), the turbine (1633) is rotatably mounted inside the core rod plate (162) and is in transmission connection with the worm (1631), and the screw (1634) is longitudinally penetrated into the center hole of the turbine (1633) and is threadedly connected to the internal thread of the inner wall of the center hole of the turbine (1633).

4. The powder forming press with an upper independent drive structure according to claim 2, characterized in that: The core rod lifting drive device (164) is configured as a core rod lifting cylinder.

5. The powder forming press with an upper independent drive structure according to claim 1, characterized in that: The upper lifting drive device (2) comprises an upper motor (21), an upper thread rod (22), an upper nut (23) and an upper thread rod sleeve rod (24), wherein the upper thread rod (22) is longitudinally and rotatably arranged on the upper end of the box body (1), the upper motor (21) is located above the upper thread rod (22) and is in transmission connection with the upper thread rod (22), the upper nut (23) is threadedly connected to the upper thread rod (22), the upper thread rod sleeve rod (24) is longitudinally and rotatably arranged on an upper fixed plate (17) provided at the upper end of the box body (1) and is located at a lower position of the upper thread rod (22), the upper nut (23) is fixedly connected to the upper thread rod sleeve rod (24), and the bottom of the upper thread rod sleeve rod (24) is respectively connected to both sides of the top of the upper plate (4); The upper two lifting drive devices (3) include upper two motors (31), upper two screw rods (32), upper two nuts (33) and upper two screw rod sleeves (34). The upper two screw rods (32) are longitudinally and rotatably arranged on the upper end of the box body (1). The upper two motors (31) are located above the upper two screw rods (32) and are transmission-connected to the upper two screw rods (32). The upper two nuts (33) are threadedly connected to the upper two screw rods (32). The upper two screw rod sleeves (34) are longitudinally and liftably arranged on an upper fixed plate (17) provided at the upper end of the box body (1) and are located at the lower position of the upper two screw rods (32). The upper two nuts (33) are fixedly connected to the upper two screw rod sleeves (34). The bottom of the upper two screw rod sleeves (34) is connected to the middle of the top surface of the upper two plates (5).

6. The powder forming press with an upper independent drive structure according to claim 1, characterized in that: The middle template lifting drive device (14) comprises a middle template lifting motor (141), a middle template lifting screw (142), a middle template lifting nut (143) and a middle template screw sleeve (144). The middle template lifting screw (142) is provided with two and is longitudinally and rotatably passed through two diagonally opposite corners of the bottom plate of the box body (1). The middle template lifting motor (141) is provided with two and is respectively connected to the lower end of the corresponding middle template lifting screw (142). The middle template lifting nut (143) is provided with two and is respectively threadedly connected to the corresponding middle template lifting screw (142). The middle template screw sleeve (144) is provided with two. The upper ends of the middle template screw sleeves (144) respectively pass through the lower plate (9) and are connected to the two diagonally opposite corners of the bottom of the middle template (8). The lower ends of the middle template screw sleeves (144) are respectively fixedly connected to the corresponding middle template lifting nuts (143).

7. The powder forming press with an upper independent drive structure according to claim 1, characterized in that: The next lifting drive device (15) comprises a next motor (151), a next thread rod (152), a next nut (153) and a next thread rod sleeve rod (154). The next thread rod (152) is provided with two and is longitudinally and rotatably penetrated through the other two corners of the bottom plate of the box body (1) at an angle. The next motor (151) is provided with two and is respectively connected to the lower end of the corresponding next thread rod (152). The next nut (153) is provided with two and is respectively threadedly connected to the corresponding next thread rod (152). The next thread rod sleeve rod (154) is provided with two. The upper ends of the next thread rod sleeve rods (154) are respectively connected to the two corners of the bottom of the next plate (9) at an angle. The lower ends of the next thread rod sleeve rods (154) are respectively fixedly connected to the corresponding next nuts (153).

8. The powder forming press with an upper independent drive structure according to claim 1, characterized in that: The first connecting member (61) comprises an upper 3R clamp (611) and an upper 3R mounting seat (612), wherein the upper 3R clamp (611) is mounted on the bottom of the upper 3R mounting seat (612); The second connecting member (71) comprises an upper second 3R clamp (711) and an upper second 3R mounting seat (712), wherein the upper second 3R clamp (711) is mounted on the bottom of the upper second 3R mounting seat (712); The fourth connecting member (121) includes a next 3R clamp (1211) and a next 3R mounting seat (1212), and the next 3R clamp (1211) is mounted on top of the next 3R mounting seat (1212); The fifth connecting member (131) comprises a lower second 3R clamp (1311) and a lower second 3R mounting seat (1312), wherein the lower second 3R clamp (1311) is mounted on the top of the lower second 3R mounting seat (1312).

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