Press mold frame structure with improved guide rod design

Abstract

The utility model discloses a press mould frame structure with an improved guide rod design, which comprises an upper box body, an upper mould mechanism, a middle mould plate, an upper guide rod, a guide rod fixing block, a lower mould, a middle mould lifting driving device, a lower fixing plate and a supporting assembly, the upper fixing plate is fixedly connected to the upper fixing plate, the supporting ribs are fixedly connected to the upper fixing plate, the two guide rod fixing blocks are fixedly connected to the supporting ribs respectively, the two ends of each upper guide rod are fixedly connected between the upper fixing plate and the guide rod fixing blocks respectively, and the upper die punching plate and the middle die plate are sequentially connected with the upper guide rods in a sliding mode from top to bottom. By shortening the length of the upper guide rod, the bending deformation of the upper guide rod caused by overlong length in the pressing process is reduced, the supporting rib and the guide rod fixing block can enhance the loading capacity of the upper guide rod, and the forming precision and the stability of the press mold frame are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press die set technical field more specifically, it is a kind of press die set structure with improved guide rod design. BACKGROUND

[0002] Powder forming press is a kind of metal powder or ceramic powder is pressed into a certain fixed shape (such as block) product equipment.The die set structure of traditional powder forming equipment is usually as shown in Figure 1 The four die set guide rods of the press are penetrated from the top of the equipment to the bottom of the equipment, and due to the excessive length of the die set guide rods, deformation of the die set guide rods occurs in all pressing conditions, such as bending, vibration or offset caused by uneven stress or excessive load, which affects the accuracy of the equipment and the forming quality, and also increases the difficulty of installation and subsequent maintenance. To improve the above problems, it is necessary to provide a press die set structure with improved guide rod design, which shortens the length of the die set guide column and improves the accuracy. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned defects in the prior art, and provides a press die set structure with improved guide rod design, which can shorten the length of the guide rod, reduce the bending deformation of the guide rod during pressing, and improve the accuracy of the die set.

[0004] To achieve the above object, the utility model provides a press die set structure with improved guide rod design, which comprises an upper box body, an upper die mechanism, a middle die plate, an upper guide rod, a guide rod fixing block, a lower die, a middle die lifting driving device, a lower fixed plate and a support assembly. The upper die mechanism comprises an upper die, an upper die lifting driving device, an upper fixed plate and an upper die punch plate. The upper die lifting driving device is installed on the top of the upper box body. The upper die lifting driving device is in transmission connection with the top surface of the upper die punch plate through the upper die transmission assembly after penetrating through the upper fixed plate. The upper die is fixedly connected to the bottom surface of the upper die punch plate. The middle die lifting driving device is installed on the bottom of the upper box body. The middle die lifting driving device is in transmission connection with the bottom surface of the middle die plate through the middle die transmission assembly after penetrating through the lower fixed plate. The support assembly is fixedly installed on the top of the lower fixed plate. The lower die is arranged in the middle die plate through the support assembly. The two inner side walls of the upper box body are respectively provided with support ribs below the middle die plate. The guide rod fixing block is provided with two blocks, which are respectively fixedly connected to the support ribs. The upper guide rod is provided with two or more rods. The two ends of each upper guide rod are respectively fixedly connected between the upper fixed plate and the guide rod fixing block. The upper die punch plate and the middle die plate are respectively in sliding connection with the upper guide rod from top to bottom.

[0005] As preferred, the upper die transmission assembly each comprises an upper lead screw, an upper lead screw coupling, an upper lead screw bearing seat, an upper lead screw guide plate, an upper lead screw guide rod, an upper lead screw nut sleeve, an upper load cell mounting seat and an upper load cell, the top of the upper lead screw is in transmission connection with the output part of the upper die lifting drive device through the upper lead screw coupling, the upper lead screw bearing seat is embedded upwards on the top of the upper box body, the upper part of the upper lead screw is in rotational connection with the upper lead screw bearing seat, the two ends of the upper lead screw guide rod are respectively fixed between the top inner end face of the upper box body and the top of the upper fixed plate, the upper lead screw guide plate is in sliding connection with the upper lead screw guide rod, the upper end of the upper lead screw nut sleeve is fixedly installed on the upper die guide plate, the upper lead screw is vertically arranged downwards and is in threaded connection with the upper lead screw nut sleeve, the upper end of the upper lead screw nut sleeve is fixedly connected with the upper lead screw guide plate, the lower end of the upper lead screw nut sleeve is connected with the top face of the load cell mounting seat after penetrating through the upper fixed plate, and the bottom face of the upper load cell mounting seat is connected with the upper load cell fixedly connected with the top of the upper die plate.

[0006] As preferred, the middle die transmission assembly each comprises a female lead screw, a female lead screw coupling, a female lead screw bearing seat, a female lead screw nut, a female lead screw sleeve, the top of the female lead screw is in transmission connection with the output part of the middle die lifting drive device through the female lead screw coupling, the female lead screw bearing seat is embedded downwards on the lower fixed plate, the lower part of the female lead screw bearing seat is in rotational connection with the female lead screw bearing seat, the female lead screw is vertically arranged upwards and is in threaded connection with the female lead screw nut, the female lead screw sleeve covers the female lead screw and fixes the bottom of the female lead screw with the top end face of the female lead screw nut, and the top face of the female lead screw sleeve is fixedly connected with the bottom face of the middle die plate.

[0007] As preferred, a position-avoiding notch for avoiding the position of the female lead screw sleeve is arranged in the middle of one side of the guide rod fixed block.

[0008] As preferred, the support assembly comprises a next bottom plate, a next cushion block and a bridging support block, the next bottom plate is fixedly arranged above the top of the lower fixed plate through a plurality of vertically arranged bridging support blocks, and the lower die is fixedly connected upwards on the top of the next bottom plate through the next cushion block and is arranged in the middle die plate.

[0009] As preferred, the core rod and the core rod lifting driving device are further included, the core rod lifting driving device comprises a core rod lifting motor, a core rod plate, a core rod guide plate, a core rod guide rod, a core rod screw rod, a core rod screw rod bearing seat, a core rod nut guide sleeve, a core rod clamping cylinder, a core rod base plate, a core rod clamping jaw and a core rod adapter rod, the core rod screw rod bearing seat is embedded on the core rod plate, one end of the core rod screw rod is in transmission connection with the output part of the core rod lifting motor located below the upper box body and is in rotation connection with the core rod screw rod bearing seat through the core rod plate, the other end of the core rod screw rod is in threaded connection with the core rod nut guide sleeve and is arranged on the core rod guide plate, the core rod guide rod is arranged with two core rod guide rods which are fixedly connected between the core rod plate and the middle die plate after penetrating through the lower fixed plate and the lower base plate, the core rod guide plate is in sliding connection with the core rod guide rod, one end of the core rod nut guide sleeve is fixedly connected with the core rod guide plate and the other end thereof is connected with the bottom of the core rod clamping cylinder after penetrating through the lower fixed plate, the core rod clamping jaw of the output end of the core rod clamping cylinder is in transmission connection with the bottom end of the core rod adapter rod after penetrating through the core rod base plate, and the bottom end of the core rod is fixedly connected with the top end of the core rod adapter rod

[0010] As preferred, the lower box body is further included, the top of the lower box body is fixedly installed on the bottom of the upper box body, and the middle die lifting driving device and the core rod lifting motor are located in the interior of the lower box body.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model discloses simple structure, reasonable in design, through being formed with the support rib in two inner side walls of upper box body respectively, the both ends of every upper guide rod are fixedly connected between the upper fixed plate and the guide rod fixed block connected on the support rib, shorten the length of upper guide rod, reduced the bending deformation of upper guide rod in the length of too long and produced in the pressing process, support rib and guide rod fixed block can still strengthen the load capacity of upper guide rod, improve the forming precision and stability of press mould base, in addition, still reduced the installation and subsequent maintenance difficulty. ACCURACY OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, the drawing in the following description is some embodiments of the utility model, for those skilled in the art, under the premise of not creating laboriously, can also obtain other drawings according to these drawings.

[0014] Figure 1 It is the structure schematic of the utility model embodiment Figure 1 ;

[0015] Figure 2 It is the structure schematic of the utility model embodimentFigure 2 (upper box body is hidden);

[0016] Figure 3 is a cross-sectional structure schematic view (upper box body is hidden) provided by the embodiment of the utility model;

[0017] Figure 4 is an explosion schematic view of the mandrel and the mandrel lifting driving device provided by the embodiment of the utility model;

[0018] Figure 5 is an assembly schematic view provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figure 1 The embodiment of the utility model provides a press die set structure with improved guide rod design, which comprises an upper box body 1, an upper die mechanism 2, a middle die plate 4, an upper guide rod 5, a guide rod fixing block 6, a lower die 31, a middle die lifting driving device 32, a lower fixing plate 33 and a support assembly and the like components. The following will describe each component of the embodiment in detail in combination with the drawings.

[0021] As Figure 1 shown, the upper die mechanism 2 can comprise an upper die 21, an upper die lifting driving device 22, an upper fixing plate 23 and an upper die punch plate 24. The upper die lifting driving device 22 is installed at the top of the upper box body 1. The upper die lifting driving device 22 is in transmission connection with the top surface of the upper die punch plate 24 through the upper die transmission assembly after passing through the upper fixing plate 23. The upper die 21 is fixedly connected to the bottom surface of the upper die punch plate 24. The middle die lifting driving device 32 is installed at the bottom of the upper box body 1. The middle die lifting driving device 32 is in transmission connection with the bottom surface of the middle die plate 4 through the middle die transmission assembly after passing through the lower fixing plate 33. The support assembly is fixedly installed at the top of the lower fixing plate 33. The lower die 31 is arranged in the middle die plate 4 through the support assembly.

[0022] In this embodiment, the two inner sidewalls of the upper box 1 are respectively formed with support ribs 11 located below the middle template 4. Two guide rod fixing blocks 6 are provided and are respectively fixedly connected to the support ribs 11. There are two or more upper guide rods 5. The two ends of each upper guide rod 5 are respectively fixedly connected between the upper fixing plate 23 and the guide rod fixing block 6. The upper die punch plate 24 and the middle template 4 are slidably connected to the upper guide rods 5 from top to bottom.

[0023] The upper guide rod 5 has four rods, which are respectively inserted at the four corners of the upper fixed plate 23 and the middle template 4. They can guide the linear movement of the upper mold 21 and the middle template 4, ensuring accurate positioning during the pressing process. The support rib 11 and the guide rod fixing block 6 increase the rigidity of the entire mold frame structure. By fixing the upper guide rod 5 in the middle position of the mold frame, the length of the upper guide rod 5 is shortened, reducing the bending deformation of the upper guide rod 5 due to force during the pressing process, and improving the accuracy and operational stability of the equipment.

[0024] Furthermore, by directly forming the support ribs 11 on the inner wall of the upper housing 1, the structural design is simplified and the manufacturing and assembly difficulties are reduced; and during the pressing process, the support ribs 11 can further disperse the stress on the upper housing 1, reduce local stress concentration, and extend the service life of the equipment.

[0025] like Figure 2 and Figure 3 As shown, the upper die transmission assembly may include an upper lead screw 251, an upper lead screw coupling 252, an upper lead screw bearing seat 253, an upper lead screw guide plate 254, an upper lead screw guide rod 2541, an upper lead screw nut sleeve 255, an upper punch load cell mounting base 256, and an upper punch load cell 257. The top of the upper lead screw 251 is connected to the output part of the upper die lifting drive device 22 via the upper lead screw coupling 252. The upper lead screw bearing seat 253 is embedded upwards in the top of the upper housing 1. The upper part of the upper lead screw 251 is rotatably connected to the upper lead screw bearing seat 253. The two ends of the upper lead screw guide rod 2541 are respectively fixed to the top of the upper housing 1. Between the inner end face and the top of the upper fixed plate 23, the upper lead screw guide plate 254 is slidably connected to the upper lead screw guide rod 2541. The upper end of the upper lead screw nut sleeve 255 is fixedly installed on the upper mold 21 guide plate. The upper lead screw 251 is set vertically downward and threadedly connected to the upper lead screw nut sleeve 255. The upper end of the upper lead screw nut sleeve 255 is fixedly connected to the upper lead screw guide plate 254. The lower end of the upper lead screw nut sleeve 255 passes through the upper fixed plate 23 and is connected to the top surface of the load cell mounting base. The bottom surface of the upper punch load cell mounting base 256 is connected to the upper punch load cell 257 fixedly connected to the top of the upper mold 21 plate.

[0026] Furthermore, the intermediate mold transmission assembly may include a female lead screw 391, a female lead screw coupling 392, a female lead screw bearing seat 393, a female lead screw nut 394, and a female lead screw sleeve 395. The top of the female lead screw 391 is connected to the output part of the intermediate mold lifting drive device 32 via the female lead screw coupling 392. The female lead screw bearing seat 393 is embedded downwards on the lower fixed plate 33. The lower part of the female lead screw bearing seat 393 is rotatably connected to the female lead screw bearing seat 393. The female lead screw 391 is vertically upwards and threadedly connected to the female lead screw nut 394. The female lead screw sleeve 395 covers the female lead screw 391 and its bottom is fixedly connected to the top surface of the female lead screw nut 394. The top surface of the female lead screw sleeve 395 is fixedly connected to the bottom surface of the intermediate mold plate 4.

[0027] Preferably, in order to avoid interference between components, a clearance notch may be provided in the middle of one side of the guide rod fixing block 6 for avoiding the female lead screw sleeve 395.

[0028] In specific implementation, the upper mold lifting drive device 22 can drive the upper lead screw 251 to rotate, thereby driving the upper lead screw nut sleeve 255 to move up and down, and then driving the upper mold punch plate 24 to move up and down in the installation direction of the upper guide post 5. The middle mold lifting drive device 32 can drive the female lead screw 391 to rotate, thereby driving the female lead screw sleeve 395 to move up and down through the female lead screw nut 394, and then driving the middle mold plate 4 to move up and down in the installation direction of the upper guide post 5. Through the corresponding upper mold lifting drive device, the upper mold 21 can be lifted and lowered and cooperate with the lower mold 31 to realize powder pressing molding. The middle mold lifting drive device 32 drives the middle mold plate to move up and down, which can complete the demolding and resetting actions.

[0029] The upper mold lifting drive device 22 and the middle mold lifting drive device 32 can both preferably be set as commonly available lifting drive motors. This embodiment does not limit the type of device.

[0030] Preferably, the support components may include a lower base plate 34, a lower pad block 35, and a bridging support block 36. The lower base plate 34 is fixedly mounted above the top of the lower fixed plate 33 by a number of vertically arranged bridging support blocks 36. The lower mold 31 is fixedly connected to the top of the lower base plate 34 by the lower pad block 35 and passes through the middle mold plate 4.

[0031] Furthermore, such as Figure 4As shown, it may also include a mandrel 37 and a mandrel lifting drive device 38. The mandrel lifting drive device 38 includes a mandrel lifting motor 381, a mandrel plate 382, ​​a mandrel guide plate 383, a mandrel guide rod 384, a mandrel lead screw 385, a mandrel lead screw bearing seat 386, a mandrel nut guide sleeve 387, a mandrel clamping cylinder 388, a mandrel seat plate 389, a mandrel gripper 3881, and a mandrel adapter rod 371. The mandrel lead screw bearing seat 386 is embedded in the mandrel plate 382. One end of the mandrel lead screw 385 is connected to the output part of the mandrel lifting motor 381 located below the upper housing 1 and passes through the mandrel plate 382 to be rotatably connected to the mandrel lead screw bearing seat 386. The other end of the mandrel lead screw 385 is connected to the output part of the mandrel lifting motor 381 located below the upper housing 1 and passes through the mandrel plate 382 to be rotatably connected to the mandrel lead screw bearing seat 386. The mandrel nut guide sleeve 387 is threaded and passes through the mandrel guide plate 383. The mandrel guide rod 384 has two rods that pass through the lower fixed plate 33 and the lower base plate 34 respectively and are fixedly connected between the mandrel plate 382 and the middle template 4. The mandrel guide plate 383 is slidably connected to the mandrel guide rod 384. One end of the mandrel nut guide sleeve 387 is fixedly connected to the mandrel guide plate 383 and its other end passes through the lower fixed plate 33 and is connected to the bottom of the mandrel clamping cylinder 388. Several mandrel clamping claws 3881 at the output end of the mandrel clamping cylinder 388 pass through the mandrel seat plate 389 and are connected to the bottom end of the mandrel adapter rod 371. The bottom end of the mandrel 37 is fixedly connected to the top end of the mandrel adapter rod 371.

[0032] The mandrel 37 can be inserted into the mold to form the inner hole or complex internal structure of the product. The mandrel 37 is driven to lift and lower by the mandrel lifting motor 381 to achieve position adjustment, which is convenient to operate and improves efficiency and accuracy.

[0033] like Figure 5 As shown, preferably, it may also include a lower housing 7, the top of which is fixedly installed at the bottom of the upper housing 1, and the middle mold lifting drive device 32 and the mandrel lifting motor 381 are both located inside the lower housing 7.

[0034] In addition, it may include a control box 8, which is fixedly installed on the bottom extension seat of the lower box 7 and located on one side of the upper box 1.

[0035] In summary, this utility model reduces the bending deformation of the upper guide rod during the pressing process by shortening its length. The support ribs and guide rod fixing blocks also enhance the load-bearing capacity of the upper guide rod, improve the forming accuracy and stability of the press mold frame, and reduce the difficulty of installation and subsequent maintenance.

[0036] The above embodiment is the preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, and all are included in the protection scope of the present application.

Claims

1. A press tool structure with an improved guide design, characterized by: The utility model relates to a mould mechanism, including upper box (1), upper die mechanism (2), middle die plate (4), upper guide rod (5), guide rod fixed block (6), lower mould (31), middle die lift drive arrangement (32), lower fixed plate (33) and support subassembly, the upper die mechanism (2) includes upper die (21), upper die lift drive arrangement (22), upper fixed plate (23) and upper die punch plate (24), the upper die lift drive arrangement (22) is installed at the top of upper box (1), the upper die lift drive arrangement (22) is connected with the top surface transmission of upper die punch plate (24) after passing through upper fixed plate (23) through upper die transmission subassembly, the upper die (21) is connected fixedly to the bottom surface of upper die punch plate (24) towards down, the middle die lift drive arrangement (32) is installed at the bottom of upper box (1), the middle die lift drive arrangement (32) is connected with the bottom surface transmission of middle die plate (4) after passing through lower fixed plate (33) through middle die transmission subassembly, the support subassembly fixed installation is at the top of lower fixed plate (33), the lower mould (31) is set up in middle die plate (4) towards up through support subassembly, the two inner side walls of upper box (1) middle part are formed with the support rib (11) below middle die plate (4) respectively, the guide rod fixed block (6) is equipped with two and is fixedly connected on support rib (11) respectively, the upper guide rod (5) is equipped with two and above, and the both ends of each upper guide rod (5) are fixedly connected between upper fixed plate (23) and guide rod fixed block (6) respectively, and the upper die punch plate (24) and middle die plate (4) are sequentially slidably connected with upper guide rod (5) from top to bottom respectively.

2. A press tool architecture with an improved guide design according to claim 1, characterized in that: The upper die driving assembly comprises an upper lead screw (251), an upper lead screw coupling (252), an upper lead screw bearing seat (253), an upper lead screw guide plate (254), an upper lead screw guide rod (2541), an upper lead screw nut sleeve (255), an upper punch load cell mounting seat (256) and an upper punch load cell (257), the top of the upper lead screw (251) is drivingly connected with the output part of the upper die lifting driving device (22) through the upper lead screw coupling (252), the upper lead screw bearing seat (253) is embedded upwards on the top of the upper box body (1), the upper part of the upper lead screw (251) is rotatably connected with the upper lead screw bearing seat (253), the two ends of the upper lead screw guide rod (2541) are respectively fixed between the top inner end face of the upper box body (1) and the top of the upper fixed plate (23), the upper lead screw guide plate (254) is slidingly connected on the upper lead screw guide rod (2541), the upper end of the upper lead screw nut sleeve (255) is fixedly installed on the upper die (21) guide plate, the upper lead screw (251) is vertically arranged downwards and is threadedly connected with the upper lead screw nut sleeve (255), the upper end of the upper lead screw nut sleeve (255) is fixedly connected with the upper lead screw guide plate (254), the lower end of the upper lead screw nut sleeve (255) is connected with the top face of the load cell mounting seat after penetrating through the upper fixed plate (23), and the bottom face of the upper punch load cell mounting seat (256) is connected with the upper punch load cell (257) fixedly connected on the top of the upper die (21) plate.

3. A press tooling structure with an improved guide design as claimed in claim 1, wherein: The middle die driving assembly comprises a female mold lead screw (391), a female mold lead screw coupling (392), a female mold lead screw bearing seat (393), a female mold lead screw nut (394) and a female mold lead screw sleeve (395), the top of the female mold lead screw (391) is drivingly connected with the output part of the middle die lifting driving device (32) through the female mold lead screw coupling (392), the female mold lead screw bearing seat (393) is embedded downwards on the lower fixed plate (33), the lower part of the female mold lead screw bearing seat (393) is rotatably connected with the female mold lead screw bearing seat (393), the female mold lead screw (391) is vertically arranged upwards and is threadedly connected with the female mold lead screw nut (394), and the female mold lead screw sleeve (395) covers the female mold lead screw (391) and fixes the bottom of the female mold lead screw (391) with the top end face of the female mold lead screw nut (394), and the top face of the female mold lead screw sleeve (395) is fixedly connected with the bottom face of the middle die plate (4).

4. A press tool structure with an improved guide design according to claim 3, characterized in that: A position-avoiding notch for avoiding the position of the female mold lead screw sleeve (395) is formed in the middle part of one side of the guide rod fixed block (6).

5. A press tool structure with an improved guide design according to claim 1, characterized in that: The support assembly comprises a next bottom plate (34), a next cushion block (35) and a bridging support block (36), the next bottom plate (34) is fixedly arranged above the top of the lower fixed plate (33) through a plurality of vertically arranged bridging support blocks (36), and the lower die (31) is fixedly connected upwards on the top of the next bottom plate (34) through the next cushion block (35) and is arranged in the middle die plate (4).

6. A press tool structure with an improved guide design according to claim 5, characterized in that: It also includes a mandrel (37) and a mandrel lifting driving device (38), the mandrel lifting driving device (38) includes a mandrel lifting motor (381), a mandrel plate (382), a mandrel guide plate (383), a mandrel guide rod (384), a mandrel screw rod (385), a mandrel screw rod bearing seat (386), a mandrel nut guide sleeve (387), a mandrel clamping cylinder (388), a mandrel seat plate (389), a mandrel clamping jaw (3881) and a mandrel adapter rod (371), the mandrel screw rod bearing seat (386) is embedded on the mandrel plate (382), one end of the mandrel screw rod (385) is in transmission connection with the output part of the mandrel lifting motor (381) located below the upper box (1) and is in rotary connection with the mandrel screw rod bearing seat (386) through the mandrel plate (382), the other end of the mandrel screw rod (385) is in threaded connection with the mandrel nut guide sleeve (387) and is embedded on the mandrel guide plate (383), the mandrel guide rod (384) is provided with two rods which are fixedly connected between the mandrel plate (382) and the middle mold plate (4) after penetrating through the lower fixed plate (33) and the lower bottom plate (34), the mandrel guide plate (383) is in sliding connection on the mandrel guide rod (384), one end of the mandrel nut guide sleeve (387) is fixedly connected on the mandrel guide plate (383) and the other end thereof is connected with the bottom of the mandrel clamping cylinder (388) after penetrating through the lower fixed plate (33), a plurality of mandrel clamping jaws (3881) of the output end of the mandrel clamping cylinder (388) are in transmission connection with the bottom end of the mandrel adapter rod (371) after penetrating through the mandrel seat plate (389), and the bottom end of the mandrel (37) is fixedly connected with the top end of the mandrel adapter rod (371).

7. A press tool structure with an improved guide design according to claim 1, characterized in that: It also includes a lower box (7), the top of the lower box (7) is fixedly installed on the bottom of the upper box (1), and the middle mold lifting driving device (32) and the mandrel lifting motor (381) are located in the interior of the lower box (7).

Images