Multi-station combined machining hydraulic tool

By designing a multi-station composite machining hydraulic fixture, and utilizing structures such as gears, racks, and sliding rods, the hydraulic fixture achieves flexible adjustment and adaptive clamping, solving the problem that existing hydraulic fixtures cannot adapt to different workpiece sizes and shapes, and improving production efficiency and machining accuracy.

CN223802097UActive Publication Date: 2026-01-16山东星宇液压有限公司
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Patent Information

Application Number
CN202520437343.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-16
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing hydraulic tooling fixtures have fixed specifications and cannot adapt to workpieces of different sizes and shapes, resulting in frequent changes and adjustments, increasing equipment downtime and reducing production efficiency.

Method used

A multi-station composite machining hydraulic fixture was designed, which adopts structures such as gears, racks and pinions, and fixed blocks. The position adjustment of the U-shaped plate is controlled by a motor, and the self-adaptive clamping of the clamping plate is achieved by combining structures such as sliding rods, sliders and connecting rods to adapt to different workpiece shapes and sizes.

Benefits of technology

It enables tooling to quickly adapt to the processing needs of workpieces of different sizes and shapes, shortens the time for changing workpieces, improves processing efficiency and accuracy, and avoids the risks of complex fixture adjustments and workpiece damage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223802097U_ABST
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Abstract

The utility model discloses a multi-station combined machining hydraulic tool which comprises a working table, a plurality of U-shaped plates are arranged at the upper end of the working table, a hydraulic rod is installed on the inner side wall of each U-shaped plate, a piston is connected to the inner wall of each hydraulic rod in a sliding mode, two sealing rings are arranged on the outer side wall of each piston in a sleeved mode, and the sealing rings are connected with the U-shaped plates in a sliding mode. One side wall of each piston is fixedly connected with a push rod, hydraulic cylinders are installed on the two side walls of the workbench, connecting pipes are communicated with the interiors of the two hydraulic cylinders, electromagnetic valves are communicated with the other ends of the two connecting pipes, and the outer walls of the two electromagnetic valves are communicated with flow dividing pipes. The other ends of the two flow dividing pipes communicate with the interiors of the two corresponding hydraulic rods. And the gear, the rack, the fixing block and other structures are arranged, the U-shaped plate can be moved, the tool can rapidly meet the machining requirements of workpieces of different sizes and shapes, and the machining efficiency of the workpieces is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic tooling technical field especially relates to a kind of multi-station composite machining hydraulic tooling. BACKGROUND

[0002] Hydraulic tooling is a kind of tooling equipment using hydraulic technology to realize positioning, supporting and clamping workpiece, in tooling system, replace traditional mechanical parts with hydraulic components, achieve automation operation to workpiece by hydraulic control, it is constructed to meet the specific processing needs of tooling by the organic assembly of selected hydraulic components and carefully designed mechanical parts;

[0003] However, the fixture specification of hydraulic tooling is usually fixed, only can adapt to the workpiece of specific size and shape, and the size and shape of different workpieces are different, which leads to frequent replacement and adjustment of fixture, consumes a lot of time, increases the downtime of equipment, reduces production efficiency, therefore, how to solve the problem is considered by us. INVENTION CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a kind of multi-station composite machining hydraulic tooling, it is set up gear, rack and fixed block and other structures, can move U-shaped plate, so that tooling can quickly adapt to the workpiece processing demand of different size and shape, improve the processing efficiency of workpiece.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of multi-station composite machining hydraulic tooling, including workbench, the upper end of the workbench is provided with multiple U-shaped plates, the inner side wall of each U-shaped plate is equipped with hydraulic rod, the inner wall of each hydraulic rod is slidably connected with piston, the outer side wall of each piston is equipped with two sealing rings, the side wall of each piston is fixedly connected with push rod, the two side walls of the workbench are equipped with hydraulic cylinder, two hydraulic cylinders are communicated with connecting pipe, the other end of two connecting pipes is communicated with electromagnetic valve, the outer wall of two electromagnetic valves is communicated with shunt pipe, the other end of two shunt pipes is communicated with the inside of corresponding two hydraulic rods, the upper end of the workbench is equipped with two moving grooves, the other end of each push rod is fixedly connected with moving block, the two side inner walls of each U-shaped plate are fixedly connected with sliding rod, two sliding blocks are slidably connected on each sliding rod, one end of each sliding block is rotatably connected with connecting rod, the other end of each connecting rod is rotatably connected with corresponding moving block, the other end of each sliding block is fixedly connected with moving plate, two moving grooves are equipped with moving mechanism for moving corresponding U-shaped plate.

[0007] Preferably, the two moving mechanisms each comprise a rotating shaft rotatably connected with the inner wall of the corresponding moving slot, the outer wall of the two rotating shafts is fixedly connected with a gear, the inner wall of the two moving slots is fixedly connected with a guide rod, the two guide rods are slidably connected with a rack, and the two racks are engaged with the corresponding gears.

[0008] Preferably, the upper end of the two racks is fixedly connected with a fixed block, and the upper end of the two fixed blocks is fixedly connected with the lower end of the corresponding U-shaped plate.

[0009] Preferably, the two sides of the workbench are each provided with a motor, the output shaft of the two motors extends into the corresponding moving slot, and one end of the corresponding rotating shaft is fixedly connected with the output shaft.

[0010] Preferably, the two sides of each two cooperating moving plates are each provided with two telescopic rods, the telescopic ends of the two telescopic rods are fixedly connected with a clamping plate, and the clamping plate is elastically connected with the corresponding moving plate through two springs.

[0011] Preferably, the opposite sides of each two cooperating clamping plates are provided with a protective layer, and the protective layer is made of rubber.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The gears, guide rods and racks are arranged, the position of the U-shaped plate on the workbench can be adjusted by controlling the forward and reverse rotation and the rotation angle of the motor, so that the processing requirements of workpieces of different sizes and shapes are met, the flexible adjustment of the multi-station layout is realized, when the workpiece is replaced, the workpiece does not need to be complicatedly reinstalled and debugged, and the processing time is shortened.

[0014] 2. The sliding rods, sliding blocks and connecting rods are arranged, the clamping plate can be moved to clamp and fix the workpiece, and under the cooperation of the telescopic rods and springs, the clamping force can be automatically adjusted according to the shape and size of the workpiece, the workpiece surface can be prevented from being clamped, the workpiece can be firmly fixed during the processing process, and the processing precision is not affected by the loosening of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a kind of multi-station composite processing hydraulic tool structure schematic diagram;

[0016] Figure 2 is Figure 1 Front sectional view schematic diagram;

[0017] Figure 3 is Figure 2 Enlarged view of A of;

[0018] Figure 4 is an enlarged view of B of Figure 2

[0019] Figure 5 is a schematic view of the upper end structure of Figure 1

[0020] Figure 6 is an enlarged view of C of Figure 5

[0021] Figure 7 is a schematic view of the right side section of Figure 1

[0022] Figure 8 is an enlarged view of D of Figure 7

[0023] In the figure: 1 workbench, 2 U-shaped plate, 3 hydraulic rod, 4 piston, 5 sealing ring, 6 push rod, 7 hydraulic cylinder, 8 connecting pipe, 9 electromagnetic valve, 10 shunt pipe, 11 moving groove, 12 rotating shaft, 13 gear, 14 guide rod, 15 rack, 16 fixed block, 17 motor, 18 moving block, 19 sliding rod, 20 sliding block, 21 connecting rod, 22 moving plate, 23 telescopic rod, 24 clamping plate, 25 spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0025] Referring to Figures 1-8 A multi-station composite machining hydraulic tool, comprising a workbench 1, a plurality of U-shaped plates 2 are arranged on the upper end of the workbench 1, the arrangement of the plurality of U-shaped plates 2 constructs a multi-station working mode, different stations can simultaneously perform different machining operations, thereby improving the machining efficiency, the inner side wall of each U-shaped plate 2 is provided with a hydraulic rod 3, the inner wall of each hydraulic rod 3 is slidably connected with a piston 4, the outer side wall of each piston 4 is sleeved with two sealing rings 5, the sealing rings 5 are used to improve the sealing performance between the piston 4 and the inner wall of the hydraulic rod 3, thereby preventing the leakage of hydraulic oil, one side wall of each piston 4 is fixedly connected with a push rod 6, the two side walls of the workbench 1 are provided with hydraulic cylinders 7, the hydraulic cylinders 7 are the power source of the entire hydraulic system, the two hydraulic cylinders 7 are both communicated with connecting pipes 8, the other ends of the two connecting pipes 8 are both communicated with electromagnetic valves 9, the outer walls of the two electromagnetic valves 9 are both communicated with shunt pipes 10, the other ends of the two shunt pipes 10 are both communicated with the interiors of the corresponding two hydraulic rods 3, the hydraulic system composed of the hydraulic rod 3, the piston 4 and the hydraulic cylinder 7 can provide stable and accurate driving force, the upper end of the workbench 1 is provided with two moving grooves 11, the two moving grooves 11 are both provided with a moving mechanism for moving the corresponding U-shaped plate 2; ​​​​​

[0026] Wherein, two mobile mechanism all include with corresponding mobile groove 11 inner wall rotation connection pivot 12, two pivot 12's outer wall all are fixedly connected with gear 13, two mobile groove 11's inner wall all are fixedly connected with guide rod 14, two guide rod 14 all are slidingly connected with rack 15, two rack 15 all are engaged with corresponding gear 13, two rack 15's upper end all are fixedly connected with fixed block 16, two fixed block 16's upper end all are fixedly connected with corresponding U-shaped plate 2's lower end, through the cooperation of gear 13 and rack 15 etc. structure, realize the flexible movement of U-shaped plate 2, this makes tooling can quickly adapt to the machining requirement of different size and shape workpiece, when replacing the processing product, do not need complex tooling adjustment, shorten the production preparation time, the both sides wall of workbench 1 all are installed with motor 17, two motor 17 all are servo motor, two motor 17's output shaft end all extend to corresponding mobile groove 11 inside, and with corresponding pivot 12 one end fixed connection;

[0027] Wherein, the other end of each push rod 6 is fixedly connected with a moving block 18, the inner walls of each U-shaped plate 2 are fixedly connected with a sliding rod 19, the sliding rod 19 is slidingly connected with two sliding blocks 20, one end of each sliding block 20 is rotatably connected with a connecting rod 21, the other end of each connecting rod 21 is rotatably connected with the corresponding moving block 18, the other end of each sliding block 20 is fixedly connected with a moving plate 22, two telescopic rods 23 are installed on the opposite sides of each two cooperating moving plates 22, the telescopic ends of the two telescopic rods 23 are fixedly connected with a clamping plate 24, and each clamping plate 24 is elastically connected with the corresponding moving plate 22 through two springs 25. When the push rod 6 pushes the moving block 18, the sliding block 20 is driven to slide on the sliding rod 19 through the connecting rod 21, and then the moving plate 22 drives the clamping plate 24 to move close to the workpiece. The telescopic rod 23 plays a guiding and auxiliary supporting role, the spring 25 provides a buffering and self-adaptive clamping force, which can automatically adjust the clamping force according to the shape and size of the workpiece, prevent the workpiece from being clamped and damaged, and ensure firm clamping. The device is suitable for workpieces with different surface materials and shapes. The opposite sides of each two cooperating clamping plates 24 are provided with a protective layer, and each protective layer is made of rubber material to avoid hard contact and damage the surface of the workpiece.

[0028] In use, when the tool is started, the hydraulic cylinder 7 will make the high-pressure hydraulic oil be transmitted to the electromagnetic valve 9 through the connecting pipe 8. The electromagnetic valve 9 plays a role in controlling the flow direction of the hydraulic oil. It will switch the passage according to the preset program, so that the hydraulic oil flows into the shunt pipe 10 and then uniformly shunts into the corresponding hydraulic rod 3. In the hydraulic rod 3, the sealing performance is ensured by the sealing ring 5. The hydraulic oil pressure pushes the piston 4 to slide stably along the inner wall of the hydraulic rod 3, and then the push rod 6 moves to provide power for the subsequent clamping action.

[0029] The push rod 6 pushes the moving block 18 fixed therewith to move, and the linear movement of the moving block 18 is converted into the sliding of the sliding block 20 on the sliding rod 19 through the connecting rod 21, the sliding of the sliding block 20 drives the moving plate 22 to approach the workpiece, and the telescopic rod 23 plays a guiding and auxiliary supporting role in the process that the moving plate 22 approaches the workpiece, so as to ensure that the moving plate 22 stably approaches the workpiece, when the moving plate 22 drives the clamping plate 24 to contact the workpiece, the spring 25 is compressed or stretched according to the shape and size of the workpiece, so as to provide a buffer force, avoid hard damage to the surface of the workpiece by the clamping plate 24, and simultaneously adaptively adjust the clamping force, so as to firmly fix the workpiece, in this way, the spacing of the clamping plate 24 can be adjusted, and different specifications of workpieces can be stably clamped.

[0030] In addition, the motor 17 can be started to drive the rotating shaft 12 to rotate, and then drive the gear 13 to rotate, the rotation of the gear 13 drives the rack 15 engaged with the gear 13 to move along the guide rod 14, and because the upper end of the rack 15 is fixed with the lower end of the U-shaped plate 2 through the fixed block 16, the movement of the rack 15 drives the U-shaped plate 2 to move on the workbench 1, and then flexibly adjusts the positions of the workstations, and adapts to the machining requirements of different workpieces.

[0031] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A multi-station combined machining hydraulic tooling comprising a worktable (1), characterized in that, The upper end of the workbench (1) is provided with a plurality of U-shaped plates (2), the inner side wall of each U-shaped plate (2) is provided with a hydraulic rod (3), the inner wall of each hydraulic rod (3) is slidably connected with a piston (4), the outer side wall of each piston (4) is sleeved with two sealing rings (5), one side wall of each piston (4) is fixedly connected with a push rod (6), the two side walls of the workbench (1) are provided with hydraulic cylinders (7), the two hydraulic cylinders (7) are both communicated with a connecting pipe (8), the other end of the two connecting pipes (8) is communicated with an electromagnetic valve (9), the outer wall of the two electromagnetic valves (9) is communicated with a shunt pipe (10), the other end of the two shunt pipes (10) is communicated with the inside of the corresponding two hydraulic rods (3), the upper end of the workbench (1) is provided with two moving grooves (11), the other end of each push rod (6) is fixedly connected with a moving block (18), the two inner side walls of each U-shaped plate (2) are fixedly connected with a sliding rod (19), the sliding rod (19) is slidably connected with two sliding blocks (20), one end of each sliding block (20) is rotatably connected with a connecting rod (21), the other end of each connecting rod (21) is rotatably connected with the corresponding moving block (18), the other end of each sliding block (20) is fixedly connected with a moving plate (22). Two moving mechanisms for moving the corresponding U-shaped plates (2) are arranged in the two moving grooves (11).

2. The multi-station compound machining hydraulic tooling apparatus according to claim 1, characterized in that, Each of the two moving mechanisms comprises a rotating shaft (12) rotatably connected with the inner wall of the corresponding moving groove (11), the outer wall of the rotating shaft (12) is fixedly connected with a gear (13), the inner wall of the moving groove (11) is fixedly connected with a guide rod (14), the guide rod (14) is slidably connected with a rack (15), and the two racks (15) are engaged with the corresponding gears (13).

3. The multi-station compound machining hydraulic tooling apparatus according to claim 2, characterized in that, The upper end of each of the two racks (15) is fixedly connected with a fixed block (16), and the upper end of the fixed block (16) is fixedly connected with the lower end of the corresponding U-shaped plate (2).

4. The multi-station compound machining hydraulic tooling apparatus according to claim 2, wherein, The two side walls of the workbench (1) are provided with motors (17), and the output shafts of the two motors (17) extend into the corresponding moving grooves (11) and are fixedly connected with one end of the corresponding rotating shaft (12).

5. The multi-station compound machining hydraulic tooling apparatus of claim 1, wherein, The opposite sides of every two cooperating moving plates (22) are provided with two telescopic rods (23), the telescopic ends of every two cooperating telescopic rods (23) are fixedly connected with a clamping plate (24), and each clamping plate (24) is elastically connected with the corresponding moving plate (22) through two springs (25).

6. The multi-station compound machining hydraulic tooling apparatus according to claim 5, wherein, The opposite sides of every two cooperating clamping plates (24) are provided with protective layers, and each protective layer is made of rubber material.