Servo hydraulic machine capable of quickly replacing accessories

Abstract

The utility model relates to a servo hydraulic machine capable of quickly replacing accessories. The technical problems that existing parts are tedious to replace, time is wasted and the like are solved. Comprising a rack arranged on a base, a servo pump is arranged at the upper end of the rack, a hydraulic station is connected to the servo pump, a hydraulic rod is arranged at the lower end of the servo pump through a detachable sealing connecting assembly, a sliding block piece is connected to the end, away from the servo pump, of the hydraulic rod and axially moves in the direction of the base, and a workpiece placing space is formed between the sliding block piece and the base. The quick dismounting device has the advantages that quick dismounting can be realized by utilizing the design structure of the nut of the oil cylinder body, so that the dismounting time is shortened when a sealing element is replaced, meanwhile, a servo digital control system is adopted and is matched with a servo pump, the oil temperature of a sealing ring is effectively controlled, the energy is saved, the efficiency is high, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic press equipment, and in particular relates to a servo hydraulic press with quickly replaceable accessories. Background Art

[0002] With the development of industry, various industrial equipment has begun to be applied to various manufacturing processes. Hydraulic presses are involved in many fields, and hydraulic technology has become increasingly advanced. However, existing hydraulic presses are prone to wear and tear during production, generating loud noise during the production process, and can cause imbalances in the pressing surface, resulting in low product qualification rates. Part replacement is also cumbersome and time-consuming. Summary of the Invention

[0003] The purpose of this utility model is to solve the above problems and provide a servo hydraulic press with quick replacement of accessories.

[0004] To achieve the above objectives, the present invention adopts the following technical solutions: a servo hydraulic press capable of quickly replacing parts, comprising a frame mounted on a base, a servo pump disposed at the upper end of the frame, a hydraulic station connected to the servo pump, a hydraulic rod disposed at the lower end of the servo pump via a removable sealing connection assembly, a slider connected to the end of the hydraulic rod remote from the servo pump, the slider moving axially along the base, and a workpiece placement space provided between the slider and the base. The hydraulic rod is connected to the servo pump, and when parts need to be replaced, the hydraulic rod can be removed via the removable sealing connection assembly, thereby achieving rapid replacement.

[0005] In the aforementioned servo hydraulic press with quick-change parts, the frame has four rectangular connecting columns. A servo platform is located at the top of each column. The servo pump is integrally mounted above the platform, and the base is located at the bottom of each column. The servo pump is model HG11-63-63, which can save 50% of electricity compared to previous equipment.

[0006] In the aforementioned servo hydraulic press with quick-access component replacement, the slider member is rectangular in structure, with sliding holes defined at each of its four corners, each corresponding to a connecting post. The slider is connected to the connecting post via the sliding holes, with the connecting post acting as a guide.

[0007] In the above-mentioned servo hydraulic press with quick-change accessories, an upper pressure block is provided at the lower end of the slider, a lower pressure block corresponding to the upper pressure block is provided at the upper end of the base, and the workpiece placement space is provided between the upper pressure block and the lower pressure block.

[0008] In the aforementioned servo hydraulic press with quick-change accessories, the removable sealing connection assembly includes a cylinder nut mounted at the lower end of the servo platform. A first sealing ring is located within the cylinder nut, contacting the hydraulic rod. A piston is mounted at one end of the hydraulic rod, which moves within the servo platform. A second sealing ring is located circumferentially outwardly of the piston, contacting the inner wall of the servo platform. One side of the piston abuts against the cylinder nut on the side closest to the servo platform. The multiple sealing rings improve the overall sealing performance of the hydraulic press. Furthermore, the cylinder nut allows for quick removal and replacement of damaged sealing rings, saving time.

[0009] In the aforementioned servo hydraulic press with quick-accessory replacement, the hydraulic rod has a connecting portion at one end remote from the piston portion, and the slider member has a connecting groove formed on the inner circumferential side of the upper end. The connecting portion is disposed within the connecting groove and connected via a connecting bolt. The hydraulic rod and the slider member are detachably connected via the connecting portion.

[0010] In the aforementioned servo hydraulic press with quick-change parts, the cylinder nut comprises two nut halves, each of which is provided with a connecting plate having a plurality of connection holes on either side. The connecting plates of the two nut halves correspond to each other and are connected by setscrews. Sealing gaskets are mounted on the surfaces of the connecting plates to ensure a sealed connection between the two nut halves.

[0011] In the aforementioned servo hydraulic press with quick-change accessories, the nut half has a semicircular structure. A semicircular plate is provided on the outside of one end of the nut half, with several half-nut connection holes defined in the semicircular plate. Furthermore, the lower end of the servo platform is provided with several half-nut fixing holes corresponding to the half-nut connection holes. Sealing gaskets are mounted on the surfaces of the semicircular plates to ensure a tight seal when the cylinder nut is connected to the servo platform.

[0012] In the above-mentioned servo hydraulic machine with quick accessory replacement capability, a sealing groove for placing the first sealing ring is provided inside the nut half body, and both the first sealing ring and the second sealing ring are Y-shaped structures.

[0013] In the above-mentioned servo hydraulic press with quick accessory replacement capability, the hydraulic station has a servo digital control system connected to the servo pump.

[0014] Compared with the existing technology, the advantages of this utility model are:

[0015] The device utilizes the design structure of the cylinder nut to achieve quick disassembly, which shortens the disassembly and assembly time when replacing the seal. At the same time, it adopts a servo digital control system and cooperates with a servo pump to effectively control the oil temperature of the seal ring, saving energy and being efficient, and extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 It is a structural diagram of the servo platform and the hydraulic rod in the utility model.

[0018] Figure 3 It is a structural diagram of the servo platform in the utility model.

[0019] Figure 4 It is a structural schematic diagram of the nut half in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the first sealing ring in the utility model.

[0021] Figure 6 It is a structural diagram of the hydraulic rod in the utility model.

[0022] Figure 7 It is a structural schematic diagram of the sliding block in the utility model.

[0023] In the figure: base 1, frame 11, servo pump 12, hydraulic station 13, workpiece placement space 14, connecting column 15, servo platform 16, lower pressure block 17, half-body fixing hole 18, detachable sealing connection component 2, cylinder body nut 21, first sealing ring 22, nut half 23, connecting plate 24, connecting hole 25, semicircular plate 26, half-body connecting hole 27, sealing groove 28, hydraulic rod 3, piston part 31, second sealing ring 32, connecting part 33, slider part 4, sliding hole 41, upper pressure block 42, connecting groove 43. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] like Figure 1-7 As shown, a servo hydraulic press with quickly replaceable parts includes a frame 11 mounted on a base 1. A servo pump 12 is provided at the upper end of the frame 11. A hydraulic station 13 is connected to the servo pump 12. A hydraulic rod 3 is provided at the lower end of the servo pump 12 via a removable sealing connection assembly 2. The end of the hydraulic rod 3, remote from the servo pump 12, is connected to a slider 4. The slider 4 moves axially along the base 1, and a workpiece placement space 14 is provided between the slider 4 and the base 1. The hydraulic rod 3 is connected to the servo pump 12. When parts need to be replaced, the hydraulic rod 3 can be removed via the removable sealing connection assembly 2, thereby achieving the purpose of rapid replacement.

[0026] like Figure 1As shown, the frame 11 has four rectangular connecting columns 15. A servo platform 16 is provided at the upper end of the connecting columns 15. The servo pump 12 is integrally mounted above the servo platform 16, and the base 1 is disposed at the lower end of the connecting columns 15. The servo pump 12 uses the HG11-63-63 model, which can save 50% of electricity compared to previous equipment.

[0027] Combine Figure 1 and Figure 7 As shown, the slider 4 is a rectangular structure, and the four corners of the slider 4 are respectively provided with sliding holes 41, and the sliding holes 41 are arranged one-to-one with the connecting posts 15. The slider 4 is connected to the connecting posts 15 through the sliding holes 41, and the connecting posts 15 play a guiding role.

[0028] The slider 4 has an upper pressing block 42 at its lower end, the base 1 has a lower pressing block 17 corresponding to the upper pressing block 42 at its upper end, and the workpiece placement space 14 is provided between the upper pressing block 42 and the lower pressing block 17 .

[0029] Combine Figure 1 、 Figure 4 、 Figure 5 and Figure 6 As shown, the removable sealing connection assembly 2 includes a cylinder nut 21 mounted at the lower end of the servo platform 16. A first sealing ring 22 is located within the cylinder nut 21, contacting the hydraulic rod 3. A piston 31 is mounted at one end of the hydraulic rod 3, which moves within the servo platform 16. A second sealing ring 32 is located circumferentially outwardly of the piston 31, contacting the inner wall of the servo platform 16. One side of the piston 31 abuts against the side of the cylinder nut 21 closest to the servo platform 16. The use of multiple sealing rings improves the overall sealing performance of the hydraulic press. Furthermore, the cylinder nut 21 allows for quick removal and replacement of damaged sealing rings, saving time.

[0030] The hydraulic rod 3 has a connecting portion 33 at one end away from the piston portion 31. The slider 4 has a connecting groove 43 formed on the inner circumference of the upper end. The connecting portion 33 is disposed within the connecting groove 43 and connected via a connecting bolt. The hydraulic rod 3 and the slider 4 are detachably connected via the connecting portion 33.

[0031] like Figure 4 As shown, the cylinder nut 21 comprises two nut halves 23. Connecting plates 24 with a plurality of connection holes 25 are provided on either side of each nut halves 23. The connecting plates 24 of the two nut halves 23 correspond to each other and are connected by setscrews. Sealing gaskets are installed on the surfaces of the connecting plates 24 to ensure a tight seal between the two nut halves 23.

[0032] like Figure 3As shown, the nut half 23 has a semicircular structure. A semicircular plate 26 is provided on the outside of one end of the nut half 23. Semicircular plate 26 is provided with a plurality of half-nut connection holes 27. The lower end of the servo platform 16 is provided with a plurality of half-nut fixing holes 18 corresponding to the half-nut connection holes 27. Sealing gaskets are installed on the surface of the semicircular plate 26 to ensure a tight seal when the cylinder nut 21 is connected to the servo platform 16.

[0033] A sealing groove 28 for placing the first sealing ring 22 is provided on the inner side of the nut half 23 , and both the first sealing ring 22 and the second sealing ring 32 are Y-shaped structures.

[0034] like Figure 1 As shown, the hydraulic station 13 has a servo digital control system connected to the servo pump 12.

[0035] The principle of this embodiment is:

[0036] The hydraulic station 13 is connected to the servo pump 12, which controls the movement of the hydraulic rod 3. The connecting portion 33 on the hydraulic rod 3 is connected to the connecting groove 43 of the slider member 4. The piston portion 31 of the hydraulic rod 3 is arranged in the servo platform 16, and the two nut halves 23 are arranged on the outside of the hydraulic rod 3. The connecting plates 24 of the two nut halves 23 are connected to each other, and then the semicircular plates 26 of the nut halves 23 are connected to the half fixing holes 18 of the servo platform 16, thereby realizing the function of quick disassembly.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0038] Although this document frequently uses terms such as base 1, frame 11, servo pump 12, hydraulic station 13, workpiece placement space 14, connecting column 15, servo platform 16, lower pressing block 17, half body fixing hole 18, detachable sealing connection assembly 2, cylinder body nut 21, first sealing ring 22, nut half body 23, connecting plate 24, connecting hole 25, semicircular plate 26, half body connecting hole 27, sealing groove 28, hydraulic rod 3, piston part 31, second sealing ring 32, connecting part 33, slider 4, sliding hole 41, upper pressing block 42, connecting groove 43, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A servo hydraulic machine with quick-change accessories, comprising a frame (11) arranged on a base (1), a servo pump (12) being provided at the upper end of the frame (11), a hydraulic station (13) being connected to the servo pump (12), and characterized in that: The lower end of the servo pump (12) is provided with a hydraulic rod (3) via a detachable sealing connection assembly (2); the end of the hydraulic rod (3) away from the servo pump (12) is connected to a slider (4); the slider (4) moves axially along the direction of the base (1), and a workpiece placement space (14) is provided between the slider (4) and the base (1).

2. A servo hydraulic press with quick accessory replacement according to claim 1, characterized in that: The frame (11) has four connecting columns (15), each of which is a rectangular structure. A servo platform (16) is provided at the upper end of the connecting column (15). The servo pump (12) is arranged above the servo platform (16) and is connected as an integral unit, and the base (1) is arranged at the lower end of the connecting column (15).

3. The servo hydraulic press with quick accessory replacement according to claim 2, characterized in that: The sliding block (4) is of rectangular structure. The four corners of the sliding block (4) are respectively provided with sliding holes (41), and the sliding holes (41) are arranged in a one-to-one correspondence with the connecting columns (15).

4. A servo hydraulic press with quick accessory replacement according to claim 3, characterized in that: The lower end of the slider (4) is provided with an upper pressing block (42), the upper end of the base (1) is provided with a lower pressing block (17) corresponding to the upper pressing block (42), and the workpiece placement space (14) is set between the upper pressing block (42) and the lower pressing block (17).

5. A servo hydraulic press with quick accessory replacement according to claim 2, 3 or 4, characterized in that: The detachable sealing connection assembly (2) includes a cylinder nut (21) arranged at the lower end of the servo platform (16), a first sealing ring (22) in contact with the hydraulic rod (3) is provided in the cylinder nut (21), one end of the hydraulic rod (3) is provided with a piston portion (31) movable in the servo platform (16), a second sealing ring (32) in contact with the inner wall of the servo platform (16) is provided on the circumferential outer side of the piston portion (31), and one side of the piston portion (31) is in contact with the side of the cylinder nut (21) close to the servo platform (16).

6. The servo hydraulic press with quick accessory replacement according to claim 5, characterized in that: The hydraulic rod (3) is provided with a connecting portion (33) at one end away from the piston portion (31), and a connecting groove (43) is provided on the inner circumferential side of the upper end of the slider member (4), and the connecting portion (33) is arranged in the connecting groove (43) and connected by a connecting bolt.

7. The servo hydraulic press with quick accessory replacement according to claim 5, characterized in that: The oil cylinder nut (21) has two nut halves (23), and connecting plates (24) with a plurality of connecting holes (25) are respectively provided on both sides of the nut halves (23). The connecting plates (24) of the two nut halves (23) correspond to each other and are connected by fixing screws.

8. The servo hydraulic press with quick accessory replacement according to claim 7, characterized in that: The nut half (23) is of a semicircular structure, a semicircular plate (26) is provided on the outer side of one end of the nut half (23), a plurality of half-body connecting holes (27) are provided on the semicircular plate (26), and a plurality of half-body fixing holes (18) corresponding to the half-body connecting holes (27) are provided at the lower end of the servo platform (16).

9. The servo hydraulic press with quick accessory replacement according to claim 8, characterized in that: A sealing groove (28) for placing the first sealing ring (22) is provided on the inner side of the nut half (23), and the first sealing ring (22) and the second sealing ring (32) are both Y-shaped structures.

10. The servo hydraulic press with quick accessory replacement according to claim 1, characterized in that: The hydraulic station (13) has a servo digital control system connected to the servo pump (12).

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