Four-column universal hydraulic pressing device

By designing a limit groove and a servo motor-driven screw system on the hydraulic press worktable, combined with a displacement sensor and spring device, the automatic adjustment of the workpiece position of the hydraulic press is realized, solving the problem of cumbersome operation of existing hydraulic presses and improving work efficiency and convenience.

CN223750335UActive Publication Date: 2026-01-02NANTONG YONGLI HYDRAULIC PRESSURE EQUIP CO LTD
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Patent Information

Application Number
CN202520205147.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-02
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing hydraulic press die-casting mold is fixedly installed on the hydraulic press worktable, which requires unlocking and fixing when the workpiece is stamped at different positions, making the operation cumbersome and the work efficiency low.

Method used

A four-column universal hydraulic pressing device was designed. It adopts a limit groove in the worktable and a screw system driven by a servo motor, combined with a displacement sensor and a spring device, to realize automatic adjustment of workpiece position and automatic adjustment of mold, reducing manual operation.

Benefits of technology

It improves the convenience of workpiece position adjustment and processing efficiency, reduces manual labor intensity, increases work efficiency, and simplifies the workpiece loading and unloading process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a four-column universal hydraulic pressing device, and relates to the technical field of hydraulic machines. The four-column universal hydraulic pressing device comprises a workbench, four guide columns, a hydraulic rod and a pressing base, the four guide columns are all installed at the bottom of the workbench, the outer walls of the four guide columns are slidably connected with the pressing base, the output end of the hydraulic rod is fixedly connected with the pressing base, and an upper mold is installed at the bottom of the pressing base; a servo motor is fixedly installed at the top of the workbench, three limiting grooves are formed in the top of the workbench, and a screw rod is installed in the limiting groove in the middle. The three limiting grooves are formed in the workbench, so that the screw rod rotates to drive the three sliding blocks and the lower die to move towards the surface of the workbench along the three limiting grooves; and therefore, a worker can conveniently adjust the position of the workpiece, stamping machining can be conducted on different positions of the workpiece, and the worker can conveniently feed the workpiece.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic press technical field, concretely is a four column omnipotent hydraulic press device. BACKGROUND

[0002] Four column hydraulic press is a kind of mechanical equipment using the static pressure of oil pump delivery hydraulic oil to process metal, plastic, rubber, board, powder and other products, it is often used in pressing process and pressing forming process, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and so on, its principle is the mechanical use of liquid pressure transmission made by Pascal's law, many kinds, many purposes.

[0003] In view of the above-mentioned related technology, the inventor considers that there are the following defects: the die casting mold of the existing hydraulic press is usually fixedly installed on the hydraulic press workbench, so that when stamping operation is carried out on different positions of the workpiece, the user needs to unlock and then fix the workpiece, the operation process is cumbersome, and the working efficiency is low, therefore we propose a four column omnipotent hydraulic press device to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a four column omnipotent hydraulic press device, which solves the problem that the die casting mold is fixedly installed on the hydraulic press workbench, the user needs to unlock and then fix the workpiece when stamping operation is carried out on different positions of the workpiece, the operation process is cumbersome, and the working efficiency is low.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a four column omnipotent hydraulic press device, including workbench, four guide columns, hydraulic rod and pressure seat, four guide columns are all installed on the bottom of workbench, the outer wall of four guide columns is slidably connected with pressure seat, the output end of hydraulic rod is fixedly connected with pressure seat, the bottom of pressure seat is installed with upper die;

[0006] The top of workbench is fixedly installed with servo motor, the top of workbench is provided with three limit grooves, the inside of middle limit groove is installed with screw rod, the output shaft of servo motor is fixedly connected with screw rod, and the inside of three limit grooves is slidably connected with sliding block, the screw rod is sleeved in middle sliding block, and the top of three sliding blocks is fixedly installed with lower die, the inside of lower die is provided with casting groove, the inside of casting groove is slidably connected with material pushing plate.

[0007] Preferably, the top of the workbench is provided with a baffle, and the inside of the baffle is provided with three guide grooves, and the three guide grooves are communicated with the three limit grooves.

[0008] Preferably, the lower mold is located on the top of the baffle, and the three sliders are connected with the bottom of the lower mold through the three guide grooves.

[0009] Preferably, the bottom of the inner wall of the casting groove is fixedly connected with four first springs, and the upper ends of the four first springs are fixedly connected with the bottom of the ejection plate.

[0010] Preferably, the inside of the upper mold is embeddedly installed with a displacement sensor.

[0011] Preferably, the outer wall of the upper mold is fixedly installed with a connecting plate, the inside of the connecting plate is inserted with four limiting rods, and the bottom of the four limiting rods is fixedly connected with a sliding frame.

[0012] Preferably, the top of the limiting rod and the outer wall of the four limiting rods are fixedly connected with four second springs, and the upper ends of the four second springs are fixedly connected with the bottom of the connecting plate. Beneficial effects

[0013] The utility model provides a four column omnipotent hydraulic pressure pressing device. Compared with prior art has the following beneficial effects:

[0014] 1. The four column omnipotent hydraulic pressure pressing device, through the inside of workbench is set three limit slot, make screw rod rotate, drive three sliding block with lower mold, along three limit slot to workbench surface removal, further convenient for staff to the position of workpiece adjustment, and still can workpiece different position carries out the stamping processing, and convenient for staff to workpiece loading.

[0015] 2. The four column omnipotent hydraulic pressure pressing device, through four displacement sensors, make upper mold downshift, and displacement sensor can to its and lower mold's removal distance carry out real time monitoring, further reduce manual labor intensity, improve work efficiency, and when upper mold stamping processing to workpiece, four first spring drive ejection plate from the connecting plate inside upshift, further can workpiece from the connecting plate inside and lift, and the worker takes the material. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the whole front view structure schematic diagram of the utility model.

[0017] Figure 2 It is the lower mold connection schematic diagram of the utility model.

[0018] Figure 3 It is the lower mold section structure schematic diagram of the utility model.

[0019] Figure 4 It is the upper mold structure schematic diagram of the utility model.

[0020] In the figure: 1, workbench; 11, limiting groove; 12, screw rod; 2, guide column; 3, hydraulic rod; 4, pressure seat; 5, lower mold; 51, casting groove; 52, sliding block; 53, first spring; 6, upper mold; 61, connecting plate; 62, limiting rod; 63, sliding frame; 64, second spring; 7, material pushing plate; 8, baffle; 81, guide groove; 9, servo motor; 10, displacement sensor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a four-column universal hydraulic pressing device, including workbench 1, four guide columns 2, hydraulic rod 3 and pressure seat 4, four guide columns 2 are all installed in the bottom of workbench 1, the outer wall of four guide columns 2 is slidably connected with pressure seat 4, the output end of hydraulic rod 3 is fixedly connected with pressure seat 4, and the bottom of pressure seat 4 is installed with upper mold 6;Servo motor 9 is fixedly installed on the top of workbench 1, three limiting grooves 11 are provided on the top of workbench 1, screw rod 12 is installed in the inside of middle limiting groove 11, the output shaft of servo motor 9 is fixedly connected with screw rod 12, and the inside of three limiting grooves 11 is slidably connected with sliding block 52, screw rod 12 is sleeved in middle sliding block 52, and the top of three sliding blocks 52 is fixedly installed with lower mold 5, casting groove 51 is provided in the inside of lower mold 5, and material pushing plate 7 is slidably connected in the inside of casting groove 51.

[0023] Four guide columns 2 and servo motor 9 can be installed by workbench 1, since the top of workbench 1 is provided with three limiting grooves 11, screw rod 12 is installed in the inside of middle limiting groove 11, the output shaft of servo motor 9 is fixedly connected with screw rod 12, the inside of three limiting grooves 11 is slidably connected with sliding block 52, screw rod 12 is sleeved in middle sliding block 52, so as to start servo motor 9 to drive screw rod 12 to rotate, so that middle sliding block 52 can slide along middle limiting groove 11, and since the top of three sliding blocks 52 is fixedly installed with lower mold 5, casting groove 51 is provided in the inside of lower mold 5, and material pushing plate 7 is slidably connected in the inside of casting groove 51, so that middle sliding block 52 can drive lower mold 5 and other two sliding blocks 52 to move along three limiting grooves 11 to the surface of workbench 1, to facilitate workers to adjust the position of workpiece, and also facilitate workers to feed workpiece during stamping processing at different positions of workpiece.

[0024] Referring to Figure 1 , Figure 2 , the top of the workbench 1 is provided with a baffle 8, three guide grooves 81 are formed in the baffle 8, the three guide grooves 81 are communicated with the three limiting grooves 11, the lower mold 5 is located on the top of the baffle 8, and the three sliding blocks 52 are connected with the bottom of the lower mold 5 through the three guide grooves 81.

[0025] The baffle 8 can be installed on the workbench 1, because the three guide grooves 81 are formed in the baffle 8, and the three guide grooves 81 are communicated with the three limiting grooves 11, and the three sliding blocks 52 are connected with the bottom of the lower mold 5 through the three guide grooves 81, so that the screw rod 12 rotates, the three sliding blocks 52 drive the lower mold 5 to move along the three limiting grooves 11 and the three guide grooves 81 on the surface of the workbench 1, thereby facilitating the workers to adjust the position of the workpiece, and the baffle 8 is convenient for the workers to maintain the device after being disassembled.

[0026] Referring to Figure 3 , Figure 4 , the inner wall of the casting groove 51 is fixedly connected with four first springs 53 at the bottom, the upper ends of the four first springs 53 are fixedly connected with the bottom of the material ejection plate 7, and the displacement sensor 10 is embeddedly installed in the inner wall of the upper mold 6.

[0027] The four first springs 53 can be installed in the casting groove 51, because the displacement sensor 10 is embeddedly installed in the inner wall of the upper mold 6, and the upper ends of the four first springs 53 are fixedly connected with the bottom of the material ejection plate 7, so that the upper mold 6 moves downward, the displacement sensor 10 can monitor the moving distance of the upper mold 6 and the lower mold 5 in real time, the labor intensity can be reduced, and the work efficiency can be improved, and after the workpiece is stamped by the upper mold 6, the four first springs 53 drive the material ejection plate 7 to move upward from the connecting plate 61, so that the workpiece is ejected from the connecting plate 61, thereby facilitating the workers to take the material.

[0028] Referring to Figure 1 , Figure 4 , the outer wall of the upper mold 6 is fixedly installed with a connecting plate 61, four limiting rods 62 are inserted into the connecting plate 61, the bottom of the four limiting rods 62 is fixedly connected with a sliding frame 63, the top of the limiting rod 62 and the outer wall of the four limiting rods 62 are fixedly connected with four second springs 64, and the upper ends of the four second springs 64 are fixedly connected with the bottom of the connecting plate 61.

[0029] The connecting plate 61 can be installed through the upper die 6, four limiting rods 62 are inserted into the connecting plate 61, the bottoms of the four limiting rods 62 are fixedly connected with a sliding frame 63, so that when the upper die 6 is driven by the pressing seat 4 to move downwards for stamping a workpiece, the sliding frame 63 is in contact with the lower die 5, and under the action of the pressing force, the sliding frame 63 compresses four second springs 64 and slides along the connecting plate 61, thereby reducing the impact force of the upper die 6 on the workpiece and improving the processing effect.

[0030] When working, the four guide columns 2 and the servo motor 9 can be installed through the workbench 1, three limiting grooves 11 are formed in the top of the workbench 1, a screw rod 12 is installed in the middle limiting groove 11, the output shaft of the servo motor 9 is fixedly connected with the screw rod 12, three sliding blocks 52 are slidingly connected in the three limiting grooves 11, the screw rod 12 is sleeved with the middle sliding block 52, the servo motor 9 is started to drive the screw rod 12 to rotate, so that the middle sliding block 52 slides along the middle limiting groove 11, and because the tops of the three sliding blocks 52 are fixedly installed with the lower die 5, a casting groove 51 is formed in the lower die 5, and a material lifting plate 7 is slidingly connected in the casting groove 51, so that the middle sliding block 52 can drive the lower die 5 and the other two sliding blocks 52 to move along the three limiting grooves 11 to the surface of the workbench 1, thereby facilitating the workers to adjust the position of the workpiece and also facilitating the workers to feed the workpiece.

[0031] The baffle 8 can be installed through the workbench 1, three guide grooves 81 are formed in the baffle 8 and communicate with the three limiting grooves 11, and the three sliding blocks 52 are connected with the bottom of the lower die 5 through the three guide grooves 81, so that the rotation of the screw rod 12 drives the three sliding blocks 52 to drive the lower die 5 to move along the three limiting grooves 11 and the three guide grooves 81 on the surface of the workbench 1, thereby facilitating the workers to adjust the position of the workpiece, and facilitating the workers to maintain the device after the baffle 8 is disassembled.

[0032] The four first springs 53 can be installed through the casting groove 51, a displacement sensor 10 is embeddedly installed in the upper die 6, and the upper ends of the four first springs 53 are fixedly connected with the bottom of the material lifting plate 7, so that when the upper die 6 moves downwards, the displacement sensor 10 can monitor the moving distance of the upper die 6 and the lower die 5 in real time, the labor intensity is reduced, the work efficiency is improved, and after the upper die 6 stamps the workpiece, the four first springs 53 drive the material lifting plate 7 to move upwards from the connecting plate 61, so that the workpiece is lifted from the connecting plate 61, thereby facilitating the workers to take the material.

[0033] The connecting plate 61 is installed through the upper die 6. Since the four limiting rods 62 are inserted into the connecting plate 61, the bottom of the four limiting rods 62 is fixedly connected with the sliding frame 63. When the upper die 6 is driven by the pressure seat 4 to move downwards for stamping the workpiece, the sliding frame 63 is in contact with the lower die 5, and under the action of the pressure, the sliding frame 63 compresses the four second springs 64 and slides along the connecting plate 61, thereby reducing the impact force of the upper die 6 on the workpiece and improving the processing effect.

[0034] In conclusion, the three limiting grooves 11 are arranged in the workbench 1, so that the screw rod 12 rotates to drive the three sliding blocks 52 and the lower die 5 to move along the three limiting grooves 11 to the surface of the workbench 1, thereby facilitating the workers to adjust the position of the workpiece, and also facilitating the stamping processing of the workpiece at different positions and the feeding of the workpiece by the workers.

[0035] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A four-column universal hydraulic pressing device, comprising a worktable (1), four guide columns (2), hydraulic rods (3) and a pressing base (4), characterized in that: The four guide pillars (2) are all installed at the bottom of the workbench (1). The outer walls of the four guide pillars (2) are slidably connected to the pressure seat (4). The output end of the hydraulic rod (3) is fixedly connected to the pressure seat (4). The bottom of the pressure seat (4) is equipped with an upper mold (6). A servo motor (9) is fixedly installed on the top of the workbench (1). Three limiting grooves (11) are opened on the top of the workbench (1). A screw (12) is installed inside the middle limiting groove (11). The output shaft of the servo motor (9) is fixedly connected to the screw (12). A slider (52) is slidably connected inside each of the three limiting grooves (11). The screw (12) is sleeved inside the middle slider (52). At the same time, a lower mold (5) is fixedly installed on the top of the three sliders (52). A casting groove (51) is opened inside the lower mold (5). A top plate (7) is slidably connected inside the casting groove (51).

2. The four-column universal hydraulic pressing device according to claim 1, characterized in that: The top of the workbench (1) is equipped with a baffle (8), and the baffle (8) has three guide grooves (81) inside, which are connected to three limiting grooves (11).

3. The four-column universal hydraulic pressing device according to claim 1, characterized in that: The lower mold (5) is located on top of the baffle (8), and the three sliders (52) are connected to the bottom of the lower mold (5) through the three guide grooves (81).

4. The four-column universal hydraulic pressing device according to claim 1, characterized in that: Four first springs (53) are fixedly connected to the bottom of the inner wall of the casting groove (51), and the upper ends of the four first springs (53) are fixedly connected to the bottom of the top plate (7).

5. A four-column universal hydraulic pressing device according to claim 1, characterized in that: A displacement sensor (10) is embedded inside the upper mold (6).

6. A four-column universal hydraulic pressing device according to claim 1, characterized in that: A connecting plate (61) is fixedly installed on the outer wall of the upper mold (6). Four limiting rods (62) are inserted into the inside of the connecting plate (61). A sliding frame (63) is fixedly connected to the bottom of the four limiting rods (62).

7. A four-column universal hydraulic pressing device according to claim 6, characterized in that: Four second springs (64) are fixedly connected to the top of the sliding frame (63) and to the outer wall of the four limiting rods (62), and the upper ends of the four second springs (64) are fixedly connected to the bottom of the connecting plate (61).