Upper material ejecting device for electric screw press
By using an ejector device on the electric screw press, the problem of difficult adjustment of the ejector rod height was solved, realizing automated ejection and efficient processing, extending machine life and reducing labor costs.
Patent Information
- Application Number
- CN202423043300.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The existing screw press ejection mechanism cannot effectively adjust the ejection height, resulting in a short ejection distance of the ejector rod, which cannot meet the need to increase the ejection height.
An ejector device for an electric screw press was designed. Through the combination of an electric push rod, a hydraulic rod, gears and a control panel, the ejector rod can be automatically adjusted and ejected. Combined with a cross-shaped mold base plate to distribute the pressure, the hydraulic rod is prevented from being damaged.
The automated ejection process simplifies the processing flow, improves processing efficiency, extends machine life, reduces labor costs, and improves processing accuracy and part quality.
Smart Images

Figure CN223733763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spiral press technical field, concretely is a kind of upper material ejecting device for electric spiral press. BACKGROUND
[0002] Press machine material ejecting mechanism is the auxiliary device of press machine, and its main function is to eject forging for forging die cavity. There must be enough ejecting force to overcome the demolding force to ensure that the forging is smoothly ejected from the cavity, but it does not affect the shape of the forging.
[0003] But in actual use, the existing spiral press material ejecting mechanism cannot effectively adjust the ejecting height of the ejecting rod when in use, and the ejecting distance of the ejecting rod is short, so it cannot be operated when the ejecting height needs to be increased in actual use. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides an upper material ejecting device for electric spiral press to solve the problems in the above background art.
[0006] (II) technical scheme
[0007] To achieve the above purpose, the utility model provides the following technical scheme: an upper material ejecting device for electric spiral press, the bottom surface of the pressure tank is fixedly installed with a rack at both ends, the front surface of the rack is provided with a sliding groove, the sliding groove is provided with a sensing sliding block, the inner side of the rack is provided with a limiting sliding groove, the inner bottom of the rack is fixedly installed with a base, the top surface of the base is provided with a die, the inside of the rack is provided with an electric push rod, the telescopic end of the electric push rod is fixedly installed with a clamping plate, the inner side of the pressure tank is provided with a threaded pressure rod, the top surface of the pressure tank is fixedly installed with a motor, the output shaft of the motor is fixedly installed with a gear one, the gear one is engaged with a gear two, the outer side of the threaded pressure rod is provided with a sleeve, the bottom surface of the threaded pressure rod is provided with a connecting base, the bottom surface of the connecting base is fixedly installed with a pressing plate, the front surface of the pressing plate is fixedly installed with a touch block, and the front surface of the rack is fixedly installed with a control panel.
[0008] Preferably, the top surface of the base is provided with a downwardly recessed groove, and the inside of the base is fixedly installed with a hydraulic rod, and the telescopic end of the hydraulic rod is fixedly installed with a top plate.
[0009] Preferably, the die comprises a die surrounding plate, a die bottom plate and a cross-shaped die bottom plate, the bottom of the die surrounding plate is fixedly installed with a die bottom plate, and the cross-shaped die bottom plate is connected with the die bottom plate.
[0010] Preferably, the left and right sides of the pressing plate are fixedly provided with limiting blocks, and the limiting blocks are connected with the limiting sliding grooves in a clamping mode.
[0011] Preferably, the control panel is electrically connected with the motor, the sensing sliding blocks, the electric push rod and the hydraulic rod.
[0012] Preferably, the gear two is threadedly connected with the threaded pressing rod.
[0013] Compared with the prior art, the electric screw press upper ejection device has the following beneficial effects:
[0014] 1. The electric screw press upper ejection device is used for placing the parts to be machined into the mold, adjusting the positions of the upper and lower sensing sliding blocks according to the machining requirements, and after the forging and pressing of the parts are completed, the hydraulic rod is extended to lift the top plate to eject the machined parts, so that the manual removal of the mold is not needed, the machining process is effectively simplified, and the machining efficiency is improved.
[0015] 2. The electric screw press upper ejection device is used for extending the clamping plates on the two sides of the frame to clamp the surrounding plate after the pressing plate returns to the initial position, and the cross-shaped mold bottom plate can be embedded and connected with the mold bottom plate to share the pressure and avoid the damage of the hydraulic rod caused by the excessively high pressure, so that the service life of the machine is greatly prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0017] Figure 2 It is an internal structure schematic view of the utility model;
[0018] Figure 3 It is a base structure schematic view of the utility model;
[0019] Figure 4 It is a mold structure schematic view of the utility model.
[0020] In the diagram: 1. Pressure box; 2. Frame; 3. Slide groove; 4. Limit slide groove; 5. Inductive slider; 6. Base; 601. Cross-shaped groove; 7. Mold; 701. Mold enclosure plate; 702. Mold base plate; 703. Cross-shaped mold base plate; 8. Clamping plate; 9. Electric push rod; 10. Hydraulic rod; 11. Top plate; 13. Threaded pressure rod; 14. Motor; 15. Gear 1; 16. Gear 2; 17. Sleeve; 18. Connecting base; 19. Pressure plate; 1901. Limit block; 20. Actuating block; 21. Control panel. Detailed Implementation
[0021] 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.
[0022] like Figures 1-4 As shown, this utility model provides a technical solution: an upper ejector device for an electric screw press. A frame 2 is fixedly installed at both ends of the bottom surface of the pressure box 1. A sliding groove 3 is provided on the front of the frame 2, and a sensor slider 5 is installed inside the sliding groove 3. A limit groove 4 is provided on the inner side of the frame 2. A base 6 is fixedly installed at the bottom inner side of the frame 2, and a mold 7 is provided on the top surface of the base 6. An electric push rod 9 is installed inside the frame 2, and a clamping plate 8 is fixedly installed at the telescopic end of the electric push rod 9. A threaded pressure rod 13 is provided inside the pressure box 1. A motor 14 is fixedly installed on the top surface of the pressure box 1. A gear 15 is fixedly installed on the output shaft of the motor 14. A gear 16 is meshed with the gear 15. A sleeve 17 is sleeved on the outside of the threaded pressure rod 13. A connecting base 18 is provided on the bottom surface of the threaded pressure rod 13. A pressure plate 19 is fixedly installed on the bottom surface of the connecting base 18. An actuating block 20 is fixedly installed on the front of the pressure plate 19. A control panel 21 is fixedly installed on the front of the frame 2.
[0023] Furthermore, the top surface of the base 6 is provided with a downwardly recessed cross-shaped groove 601, and a hydraulic rod 10 is fixedly installed inside the base 6. The telescopic end of the hydraulic rod 10 is fixedly installed with a top plate 11.
[0024] Through the above technical solution, after the forging of the part is completed, the hydraulic rod 10 extends and retracts to lift the top plate 11 and eject the processed part, eliminating the need for manual removal of the mold, effectively simplifying the processing process and improving processing efficiency.
[0025] Further, the mold 7 comprises a mold enclosure 701 and a mold bottom plate 702 and a cross-shaped mold bottom plate 702, the bottom of the mold enclosure 701 is fixedly installed with the mold bottom plate 702, and the cross-shaped mold bottom plate 702 is clamped and connected with the mold bottom plate 702.
[0026] Through the above technical scheme, when forging is carried out, there is high pressure, the cross-shaped mold bottom plate 702 can be embedded and connected with the mold bottom plate 702 to share the pressure, so as to avoid damage of the hydraulic rod 10 caused by excessive pressure, and the service life of the machine is greatly prolonged.
[0027] Further, the left and right sides of the pressing plate 19 are fixedly installed with limit blocks 1901, and the limit blocks 1901 are clamped and connected with the limit sliding grooves 4.
[0028] Through the above technical scheme, the skewing of the pressing plate 19 that may occur after long-term use can be effectively avoided, the machining precision is improved, the defect rate of the parts is reduced, and the cost consumed by part damage is greatly saved.
[0029] Further, the control panel 21 is electrically connected with the motor 14, the induction sliding block 5, the electric push rod 9 and the hydraulic rod 10.
[0030] Through the above technical scheme, the forging and the implementation of lifting the machined parts of the pressing machine can be controlled through the control panel 21, and the human cost of requiring special personnel to work in each link in the past is reduced.
[0031] Further, the gear two 16 is threadedly connected with the threaded pressing rod 13.
[0032] Through the above technical scheme, when the gear two 16 rotates, the threaded pressing rod 13 will move up and down and apply pressure downward according to the rotation of the threads at the connection.
[0033] Working principle: first, the parts to be machined are placed in the mold 7, the positions of the two induction sliding blocks 5 are adjusted according to the machining needs, after the adjustment is completed, the motor 14 is started through the control panel 21, the gear two 16 is driven to rotate through the gear one 15, and the threaded pressing rod 13 starts to move downward and applies pressure to the parts for forging, after the contact block 20 on the front of the pressing plate 19 contacts the induction sliding block 5, the threaded pressing rod 13 stops moving downward, waits for the pressing plate 19 to rise, after the pressing plate 19 returns to the initial position, the clamps 8 on both sides of the rack 2 extend to clamp the mold enclosure 701, then the hydraulic rod 10 lifts upward to drive the top plate 11 to rise, and the machined parts are lifted, the parts are removed, and the hydraulic rod 10 drives the top plate 11 to return to the initial position.
[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An upper knockout device for an electric screw press, comprising a pressure tank (1), characterized in that, The bottom surface of the pressure tank (1) is fixedly provided with a rack (2) at both ends, the front surface of the rack (2) is provided with a sliding groove (3), the sliding groove (3) is provided with an induction sliding block (5), the inner side of the rack (2) is provided with a limiting sliding groove (4), the inner bottom of the rack (2) is fixedly provided with a base (6), the top surface of the base (6) is provided with a mold (7), the inside of the rack (2) is provided with an electric push rod (9), the telescopic end of the electric push rod (9) is fixedly provided with a clamping plate (8), the inner side of the pressure tank (1) is provided with a threaded pressure rod (13), the top surface of the pressure tank (1) is fixedly provided with a motor (14), the output shaft of the motor (14) is fixedly provided with a gear one (15), the gear one (15) is engaged with a gear two (16), the outer side of the threaded pressure rod (13) is provided with a sleeve (17), the bottom surface of the threaded pressure rod (13) is provided with a connecting base (18), the bottom surface of the connecting base (18) is fixedly provided with a pressing plate (19), the front surface of the pressing plate (19) is fixedly provided with a touch block (20), the front surface of the rack (2) is fixedly provided with a control panel (21).
2. An upper ejector device for an electric screw press according to claim 1, characterized in that: The top surface of the base (6) is provided with a downwardly recessed cross-shaped groove (601), the inside of the base (6) is fixedly provided with a hydraulic rod (10), the telescopic end of the hydraulic rod (10) is fixedly provided with a top plate (11).
3. An upper ejector device for an electric screw press according to claim 1, characterized in that: The mold (7) comprises a mold fence (701), a mold bottom plate (702) and a cross-shaped mold bottom plate (702), the bottom of the mold fence (701) is fixedly provided with the mold bottom plate (702), and the cross-shaped mold bottom plate (702) is hingedly connected with the mold bottom plate (702).
4. An upper ejector device for an electric screw press according to claim 1, characterized in that: The left and right sides of the pressing plate (19) are fixedly provided with limiting blocks (1901), and the limiting blocks (1901) are hingedly connected with the limiting sliding groove (4).
5. An upper ejector device for an electric screw press according to claim 1, characterized in that: The control panel (21) is electrically connected with the motor (14), the induction sliding block (5), the electric push rod (9) and the hydraulic rod (10).
6. An upper ejector device for an electric screw press according to claim 1, characterized in that: The gear two (16) is threadedly connected with the threaded pressure rod (13).