Four-column oil press facilitating die replacement
By introducing fixing, adjusting, and locking components into the four-column hydraulic press, convenient disassembly and assembly of the mold and safe loading and unloading are achieved, solving the problems of time-consuming and labor-intensive mold installation and safety hazards of traditional four-column hydraulic presses, and improving disassembly and assembly efficiency and safety.
Patent Information
- Application Number
- CN202423108335.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional four-column hydraulic presses are time-consuming and labor-intensive in the process of mold installation and disassembly, and also pose safety hazards.
A four-column hydraulic press for easy mold replacement was designed, comprising a fixing component, an adjusting component, and a locking component. Through a boltless tool-free fixing method and a motor-driven adjusting method, the mold can be easily disassembled and safely loaded and unloaded.
It improved the efficiency of mold assembly and disassembly, reduced the workload of staff, enhanced equipment safety, and avoided the risk of human error.
Smart Images

Figure CN223791044U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of four-column hydraulic press technology, specifically to a four-column hydraulic press that facilitates mold replacement. Background Technology
[0002] A four-column hydraulic press is a hydraulic press consisting of four columns, an upper beam, and a lower beam forming a frame. It is divided into four-column three-beam hydraulic presses and four-column two-beam hydraulic presses, and comes in different tonnage models. It is a mechanical equipment that uses the static pressure of hydraulic oil delivered by an oil pump to process products such as metal, plastic, rubber, wood, and powder. When processing materials, a four-column hydraulic press that is easy to change molds is required.
[0003] Traditional four-column hydraulic presses typically use bolts and special tools to install molds. While this method effectively secures the molds, it is time-consuming and labor-intensive, reducing the efficiency of mold assembly and disassembly and increasing the workload of workers. Furthermore, when loading and unloading materials, workers need to reach inside the press, posing a safety hazard.
[0004] Therefore, those skilled in the art have provided a four-column hydraulic press that facilitates mold replacement to solve the problems mentioned in the background art. Utility Model Content
[0005] The purpose of this utility model is to provide a four-column hydraulic press that facilitates mold replacement, including a hydraulic press body, and further comprising:
[0006] A placement platform is located inside the body of the hydraulic press.
[0007] A positioning frame is located above the placement platform. The positioning frame has an installation plate inside, and the upper surface of the installation plate has a mold body.
[0008] A fixing component is disposed on the front surface of the positioning frame and is used to fix the mounting plate to the positioning frame;
[0009] An adjustment component is located at the bottom of the placement platform and is used to adjust the front and rear positions of the positioning frame, thereby facilitating the disassembly and assembly of the mold body by the operator.
[0010] A locking component is located at the bottom of the fixing component and is used to lock the fixing component, thereby preventing workers from accidentally touching the fixing component and affecting the fixing effect of the mold body.
[0011] As a further improvement to this technical solution, the fixing component includes a fixing plate fixedly connected to the front surface of the positioning frame. A bidirectional threaded rod is rotatably connected inside the fixing plate. A mounting hole for mounting a rotating rod is opened through the front surface of the fixing plate. A knob is fixedly connected to one end of the rotating rod, and a first bevel gear is fixedly connected to the other end of the rotating rod. A second bevel gear meshing with the first bevel gear is fixedly connected to the outside of the bidirectional threaded rod. Threaded plates are symmetrically arranged on the outside of the bidirectional threaded rod. Connecting plates are symmetrically arranged on the outside of the two threaded plates. A movable plate is fixedly connected to the outside of every two connecting plates. Two fixing rods are fixedly connected to opposite sides of the two movable plates. Guide grooves for the movement of the fixing rods are opened on both sides of the outer wall of the positioning frame. Guide grooves for the movement of the fixing rods are opened on both sides of the outer wall of the mounting plate.
[0012] As a further improvement to this technical solution, the adjustment assembly includes an adjustment plate fixedly connected to the bottom of the placement platform. A drive motor is fixedly connected to the outside of the adjustment plate. The output shaft of the drive motor is fixedly connected to a lead screw via a coupling. The other end of the lead screw is rotatably connected to the inner wall of the adjustment plate. A threaded block is threadedly connected to the outside of the lead screw. Guide grooves for the movement of the threaded block are provided on the contact surfaces of the adjustment plate and the placement platform. The upper surface of the threaded block is fixedly connected to the bottom of the positioning frame.
[0013] As a further improvement to this technical solution, the bottom of the positioning frame is symmetrically provided with guide blocks, the upper surface of the placement platform is provided with movable grooves for the guide blocks to move, guide rods are fixedly connected inside the two movable grooves, and guide grooves for the guide rods to move are provided inside the two guide blocks.
[0014] As a further improvement to this technical solution, the locking assembly includes an inverted plate fixedly connected to the bottom of the fixing plate. A fixing sleeve is fixedly connected to the front end surface of the inverted plate. An installation rod is provided inside the fixing sleeve. A pull plate is fixedly connected to one end of the installation rod. An abutment plate is fixedly connected to the outside of the installation rod. A return spring is sleeved on the outside of the installation rod. The return spring abuts between the abutment plate and the fixing sleeve. Guide grooves for the installation rod to move are opened on the contact surfaces of the fixing sleeve and the inverted plate. Guide grooves for the installation rod to move are opened at equal intervals inside the knob.
[0015] As a further improvement to this technical solution, the front surface of the placement platform is symmetrically provided with support plates, and the upper surface of both support plates is provided with gratings.
[0016] As a further improvement to this technical solution, an anti-slip pad is adhered to the bottom of the hydraulic press body, and herringbone anti-slip grooves are evenly spaced on the bottom of the anti-slip pad.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] This four-column hydraulic press, designed for easy mold replacement, incorporates a fixing component, an adjusting component, and a locking component. When the mold body needs to be fixed, simply insert the mounting plate into the positioning frame, then secure it to the frame using the fixing component. This eliminates the need for bolts or other tools, significantly improving assembly and disassembly efficiency and reducing worker workload. The locking component effectively locks the fixing component, preventing accidental contact and ensuring its secure hold. For material loading and unloading, the adjusting component allows for easy adjustment of the mold body's position, facilitating loading and unloading without requiring workers to reach inside the press. This enhances overall safety and saves time and effort. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;
[0020] Figure 2 This is a three-dimensional structural diagram of the mold body after it has been removed in this utility model;
[0021] Figure 3 This is a three-dimensional structural diagram of the mold body after disassembly in this utility model;
[0022] Figure 4 This is a bottom-view three-dimensional structural diagram of the present invention;
[0023] Figure 5 This is a rear-view three-dimensional structural diagram of the present invention;
[0024] Figure 6 for Figure 3 Enlarged structural diagram of region A in the middle;
[0025] Figure 7 for Figure 3 A magnified structural diagram of region B in the middle.
[0026] The meanings of the labels in the diagram are as follows:
[0027] 1. Hydraulic press body; 2. Placement platform; 3. Mold body; 4. Fixing plate; 5. Positioning frame; 6. Mounting plate; 7. Connecting plate; 8. Moving plate; 9. Fixing rod; 10. Adjusting plate; 11. Drive motor; 12. Lead screw; 13. Threaded block; 14. Guide rod; 15. Guide block; 16. Knob; 17. Rotating rod; 18. First bevel gear; 19. Second bevel gear; 20. Bidirectional threaded rod; 21. Threaded plate; 22. C-shaped plate; 23. Fixing sleeve; 24. Mounting rod; 25. Contact plate; 26. Return spring; 27. Support plate; 28. Grating. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Please see Figure 1 - Figure 7 As shown, this embodiment provides a four-column hydraulic press that facilitates mold replacement, including a hydraulic press body 1, and further comprising:
[0030] Placement platform 2 is located inside the hydraulic press body 1;
[0031] Positioning frame 5 is located above the placement platform 2. The interior of positioning frame 5 is provided with mounting plate 6, and the upper surface of mounting plate 6 is provided with mold body 3.
[0032] A fixing component is provided on the front surface of the positioning frame 5 and is used to fix the mounting plate 6 to the positioning frame 5.
[0033] An adjustment component is located at the bottom of the placement platform 2 and is used to adjust the front and rear positions of the positioning frame 5, thereby facilitating the disassembly and assembly of the mold body 3 by the staff.
[0034] The locking component is located at the bottom of the fixing component and is used to lock the fixing component, thereby preventing the operator from accidentally touching the fixing component and affecting the fixing effect of the mold body 3.
[0035] The working principle described above is as follows: When it is necessary to fix the mold body 3, simply insert the mounting plate 6 into the positioning frame 5, and then fix the mounting plate 6 and the positioning frame 5 together using the fixing components. At this time, the mold body 3 can be fixed without the need for workers to use bolts or other tools, which effectively improves the efficiency of disassembly and assembly of the mold body 3 and reduces the workload of workers. By setting the locking components, the fixing components can be effectively locked, thereby preventing workers from accidentally touching the fixing components and affecting the fixing effect. When it is necessary to load and unload materials, the front and rear positions of the mold body 3 can be easily adjusted by adjusting the components, which facilitates the loading and unloading of materials without the need for workers to put their hands into the hydraulic press body 1, effectively improving the overall safety factor of the device and saving time and effort.
[0036] To facilitate the fixing and installation of the mold body 3 by the staff, the fixing assembly includes a fixing plate 4 fixedly connected to the front surface of the positioning frame 5. A bidirectional threaded rod 20 is rotatably connected inside the fixing plate 4. A mounting hole for mounting a rotating rod 17 is provided through the front surface of the fixing plate 4. A knob 16 is fixedly connected to one end of the rotating rod 17, and a first bevel gear 18 is fixedly connected to the other end. A second bevel gear 19, meshing with the first bevel gear 18, is fixedly connected to the outside of the bidirectional threaded rod 20. Threaded plates 21 are symmetrically arranged outside the bidirectional threaded rod 20. Connecting plates 7 are symmetrically arranged outside each of the two threaded plates 21. A movable plate 8 is fixedly connected to the outside of each pair of connecting plates 7. Two fixing rods 9 are fixedly connected to opposite sides of each of the two movable plates 8. Guide grooves for the movement of the fixing rods 9 are provided on both sides of the outer wall of the positioning frame 5. Guide grooves for the movement of the fixing rods 9 are also provided on both sides of the outer wall of the mounting plate 6. When it is necessary to adjust the mold body... 3. When performing the fixed installation process, simply insert the mounting plate 6 into the interior of the positioning frame 5, and then rotate the knob 16. At this time, the knob 16 will drive the rotating rod 17 to rotate synchronously. The rotating rod 17 will then drive the first bevel gear 18 to rotate synchronously. The first bevel gear 18 will drive the second bevel gear 19 to rotate synchronously. The second bevel gear 19 will then drive the bidirectional threaded rod 20 to rotate synchronously. The threaded plate 21 will move synchronously outside the bidirectional threaded rod 20, driving the connecting plate 7 to move synchronously. The connecting plate 7 will then drive the moving plate 8 and the fixing rod 9 to move synchronously. When the fixing rod 9 is inserted into the guide grooves on both sides of the outer wall of the mounting plate 6, the mounting plate 6 and the positioning frame 5 can be fixed. At this time, the mold body 3 can be fixedly installed. At the same time, it is convenient for the staff to disassemble and replace the mold body 3 without the need to use bolts or other tools, which effectively improves the disassembly and assembly efficiency of the mold body 3 and reduces the workload of the staff.
[0037] Considering that the front and rear positions of the positioning frame 5 and the mold body 3 need to be adjusted during material loading and unloading, the adjustment assembly includes an adjustment plate 10 fixedly connected to the bottom of the placement table 2. A drive motor 11 is fixedly connected to the outside of the adjustment plate 10. The output shaft of the drive motor 11 is fixedly connected to a lead screw 12 via a coupling. The other end of the lead screw 12 is rotatably connected to the inner wall of the adjustment plate 10. A threaded block 13 is threadedly connected to the outside of the lead screw 12. Guide grooves for the movement of the threaded block 13 are provided on the contact surfaces of the adjustment plate 10 and the placement table 2. The upper surface of the threaded block 13 is connected to the fixed plate 10. The bottom of the positioning frame 5 is fixedly connected. When it is necessary to adjust the front and rear position of the mold body 3, the drive motor 11 starts to run. At this time, the drive motor 11 will drive the lead screw 12 to rotate synchronously, and the threaded block 13 will move synchronously outside the lead screw 12, driving the positioning frame 5 to move synchronously. The positioning frame 5 then drives the mold body 3 to move synchronously. At this time, the front and rear position of the mold body 3 can be adjusted, which makes it easier for the staff to load and unload materials without having to put their hands into the inside of the hydraulic press body 1, effectively improving the overall safety factor of the device.
[0038] To effectively improve the stability of the positioning frame 5 during movement, guide blocks 15 are symmetrically provided at the bottom of the positioning frame 5. Movable grooves for the guide blocks 15 to move are provided on the upper surface of the placement platform 2. Guide rods 14 are fixedly connected inside the two movable grooves. Guide grooves for the guide rods 14 to move are provided inside the two guide blocks 15. During the movement of the positioning frame 5, the guide blocks 15 will move synchronously outside the guide rods 14. At this time, the stability of the positioning frame 5 during movement can be effectively improved through the cooperation between the guide blocks 15 and the guide rods 14, thereby effectively improving the stability of the mold body 3 during movement, and further effectively improving the stability of the material during loading and unloading.
[0039] To effectively lock the knob 16, the locking assembly includes an inverted plate 22 fixedly connected to the bottom of the fixed plate 4. A fixed sleeve 23 is fixedly connected to the front surface of the inverted plate 22. An installation rod 24 is located inside the fixed sleeve 23. A pull plate is fixedly connected to one end of the installation rod 24. An abutment plate 25 is fixedly connected to the outside of the installation rod 24. A return spring 26 is sleeved on the outside of the installation rod 24, abutting between the abutment plate 25 and the fixed sleeve 23. Guide grooves for the installation rod 24 to move are provided on the contact surfaces of the fixed sleeve 23 and the inverted plate 22. Guide grooves for the installation rod 24 to move are also provided at equal intervals inside the knob 16. When the knob 16 needs to be rotated, only... First, pull the pull plate. The pull plate will move the mounting rod 24 synchronously, and the mounting rod 24 will then move the contact plate 25 synchronously. During the movement of the contact plate 25, the return spring 26 will be squeezed. When the mounting rod 24 is disengaged from the guide groove inside the knob 16, the knob 16 can be rotated. After the knob 16 has been rotated, release the pull plate. At this time, the return spring 26 will return to its original position, and the contact plate 25 and the mounting rod 24 will move synchronously. When the mounting rod 24 is inserted into the guide groove inside the knob 16, the knob 16 can be locked. This will prevent the operator from accidentally touching the knob 16, causing the knob 16 to rotate and affecting the fixing effect of the fixing component.
[0040] In addition, in order to effectively improve the overall safety factor of the device, support plates 27 are symmetrically provided on the front surface of the placement platform 2. The upper surface of the two support plates 27 is provided with gratings 28. When the operator's hand moves between the two gratings 28, the gratings 28 will transmit the detection signal to the controller, and the controller will then control the entire device to stop running, which effectively improves the overall safety factor of the device.
[0041] To prevent displacement of the entire device during operation, an anti-slip pad is attached to the bottom of the hydraulic press body 1. The bottom of the anti-slip pad has herringbone anti-slip grooves at equal intervals. Both the anti-slip pad and the herringbone anti-slip grooves can effectively increase the friction between the bottom of the hydraulic press body 1 and the ground, thereby preventing displacement of the hydraulic press body 1 during operation.
[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A four-column oil press that facilitates replacement of a mold, comprising an oil press body (1), characterized by, Also includes: Put the table (2) is arranged in the oil press body (1) inside; Positioning frame (5) is located above the placement table (2), the inside of the positioning frame (5) is provided with mounting plate (6), the upper surface of the mounting plate (6) is provided with mold body (3); Fixed assembly, arranged in the front end surface of the positioning frame (5), and used for fixing between mounting plate (6) and positioning frame (5); Adjusting assembly, arranged at the bottom of the placement table (2), and used for adjusting the front and back position of the positioning frame (5), so as to facilitate the staff to disassemble and assemble the mold body (3); Locking assembly, arranged at the bottom of the fixed assembly, and used for locking the fixed assembly, so as to prevent the staff from touching the fixed assembly by mistake, affecting the fixing effect of the mold body (3).
2. A four-column oil press machine for facilitating replacement of a mold according to claim 1, characterized by: The fixed assembly includes a fixed plate (4) fixedly connected to the front end surface of the positioning frame (5), a bidirectional threaded rod (20) rotatably connected inside the fixed plate (4), a mounting hole for mounting a rotating rod (17) penetratingly formed in the front end surface of the fixed plate (4), a knob (16) fixedly connected to one end of the rotating rod (17), a first bevel gear (18) fixedly connected to the other end of the rotating rod (17), a second bevel gear (19) fixedly connected to the outside of the bidirectional threaded rod (20) and engaged with the first bevel gear (18), a threaded plate (21) symmetrically arranged on the outside of the bidirectional threaded rod (20), a connecting plate (7) symmetrically arranged on the outside of each of the two threaded plates (21), a moving plate (8) fixedly connected to the outside of each two connecting plates (7), two fixed rods (9) fixedly connected to the opposite sides of the two moving plates (8), a guide groove for the fixed rods (9) to move formed in the outer wall of the positioning frame (5) on both sides, and a guide groove for the fixed rods (9) to move formed in the outer wall of the mounting plate (6) on both sides.
3. A four-column oil press machine for facilitating replacement of a mold according to claim 1, characterized by: The adjusting assembly includes an adjusting plate (10) fixedly connected to the bottom of the placement table (2), a drive motor (11) fixedly connected to the outside of the adjusting plate (10), a lead screw (12) fixedly connected to the output shaft of the drive motor (11) through a shaft coupling, the other end of the lead screw (12) rotatably connected to the inner wall of the adjusting plate (10), a threaded block (13) threadedly connected to the outside of the lead screw (12), a guide groove for the threaded block (13) to move formed in the contact surface of the adjusting plate (10) and the placement table (2), and the upper surface of the threaded block (13) fixedly connected to the bottom of the positioning frame (5).
4. A four-column oil press machine for facilitating replacement of a mold according to claim 1, characterized by: The bottom of the positioning frame (5) is symmetrically provided with a guide block (15), the upper surface of the placement table (2) is provided with a movable groove for the guide block (15) to move, the inside of each of the two movable grooves is fixedly connected with a guide rod (14), and the inside of each of the two guide blocks (15) is provided with a guide groove for the guide rod (14) to move.
5. A four-column oil press machine for facilitating replacement of a mold according to claim 2, characterized by: The locking assembly includes a U-shaped plate (22) fixedly connected at the bottom of the fixed plate (4), the front end surface of the U-shaped plate (22) is fixedly connected with a fixed sleeve (23), the inside of the fixed sleeve (23) is provided with a mounting rod (24), one end of the mounting rod (24) is fixedly connected with a pull plate, the outside of the mounting rod (24) is fixedly connected with a contact disc (25), the outside of the mounting rod (24) is sleeved with a reset spring (26), the reset spring (26) is in contact between the contact disc (25) and the fixed sleeve (23), the contact surfaces of the fixed sleeve (23) and the U-shaped plate (22) are both provided with a guide groove for the movement of the mounting rod (24), and the inside of the knob (16) is provided with equidistant guide grooves for the movement of the mounting rod (24).
6. A four-column oil press machine for facilitating replacement of a mold according to claim 1, characterized by: The front end surface of the placing table (2) is symmetrically provided with a support plate (27), and the upper surfaces of the two support plates (27) are both provided with a grating (28).
7. A four-column oil press machine for facilitating replacement of a mold according to claim 1, characterized by: The bottom of the oil press body (1) is bonded with a non-slip pad, and the bottom of the non-slip pad is provided with equidistant herringbone anti-skid grooves.