Hydraulic vibration forging and pressing device and machine tool

Abstract

The invention provides a hydraulic vibration forging and pressing device and a machine tool, and relates to the technical field of forging and pressing equipment.The hydraulic vibration forging and pressing device comprises a hydraulic vibration working head and a power control system, and the hydraulic vibration working head is connected with a movable disc of the forging and pressing machine tool and can synchronously act with the movable disc; the hydraulic vibration working head is provided with a telescopic part capable of doing reciprocating motion in the axial direction, the power control system is connected with the hydraulic vibration working head, and the power control system can generate pulse type pressure oil so that the telescopic part of the hydraulic vibration working head can stretch out, draw back and vibrate; the hydraulic vibration forging and pressing machine tool comprises the hydraulic vibration forging and pressing device. Through mutual cooperation of the power control system and the hydraulic vibration working head, on one hand, high forging pressure and high forging capacity are achieved, on the other hand, high forging precision is achieved, and the machining precision of forgings can be effectively guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of forging equipment, and in particular to a hydraulic vibration forging device and a machine tool. Background Art

[0002] Forging equipment refers to mechanical equipment used for forming and separation in forging processing. Forging equipment includes forging hammers, mechanical presses, hydraulic presses, screw presses and flat forging machines for forming, as well as auxiliary equipment such as uncoilers, straighteners, shears, forging operators, etc.

[0003] Among the current forging equipment, the forging precision of the forging hammer is relatively low, and the live parts produced by the forging hammer can only be used as blanks for parts; the forging energy of the current forging press is relatively low, and the tonnage of the forging press used for forgings of the same size is much larger than that of the forging hammer. Summary of the invention

[0004] The purpose of the present invention is to provide a hydraulic vibration forging device to solve the above-mentioned technical problems existing in the prior art; the preferred technical scheme among the many technical schemes provided by the present invention can produce many technical effects; see the following description for details.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The present invention provides a hydraulic vibration forging device, comprising a hydraulic vibration work head and a power control system, wherein: the hydraulic vibration work head is connected to a moving plate of a forging machine tool and can move synchronously with the moving plate, the hydraulic vibration work head is provided with a telescopic part that can reciprocate along the axial direction, the power control system is connected to the hydraulic vibration work head, and the power control system can generate pulse pressure oil to make the telescopic part of the hydraulic vibration work head telescopically vibrate.

[0007] Preferably, the hydraulic vibration working head includes a cylinder assembly and a piston assembly, wherein: a hydraulic chamber is arranged in the cylinder assembly, and a first oil pipe and a second oil pipe are arranged on the cylinder assembly and connected to the hydraulic chamber; the piston assembly includes a piston body and a piston rod connected to the piston body, the piston body is slidably arranged in the hydraulic chamber, and the piston rod forms the telescopic part.

[0008] Preferably, the piston body divides the hydraulic cavity into a first cavity and a second cavity, and the hydraulic vibration working head includes a reset spring, wherein: the first oil pipe and the second oil pipe are both connected to the first cavity, and the diameter of the first oil pipe is smaller than the diameter of the second oil pipe; the reset spring is arranged in the second cavity, and its two ends are respectively against the piston body and the cylinder assembly, and when the piston body drives the piston rod to extend, the reset spring undergoes compression deformation.

[0009] Preferably, the hydraulic vibration working head includes a limit sleeve, wherein: the limit sleeve is arranged in the second cavity, the return spring sleeve is arranged on the piston rod and is located in the limit sleeve; when the piston body drives the piston rod to extend, it can resist the limit sleeve.

[0010] Preferably, the piston rod comprises an integrally arranged first section, a second section and a third section, wherein: the first section passes through the cylinder assembly and is placed outside the cylinder assembly; the piston body is sleeved on the second section; a mounting groove is provided on the end surface of the piston body away from the second cavity, a back cap is provided in the mounting groove, the back cap is sleeved on the third section, and the back cap, the piston body and the piston rod move synchronously.

[0011] Preferably, the power control system includes a valve body assembly and a valve core rotatably arranged inside the valve body assembly, and the valve core is connected to an electric power device of the forging machine, wherein: the valve body assembly is radially provided with a first high-pressure connecting hole and a first low-pressure connecting hole, the valve core is radially provided with a second high-pressure connecting hole at a position corresponding to the first high-pressure connecting hole, and the valve core is radially provided with a second low-pressure connecting hole at a position corresponding to the first low-pressure connecting hole, and the second high-pressure connecting hole and the second low-pressure connecting hole are staggered; the electric power device can drive the valve core to rotate so that the first high-pressure connecting hole and the second high-pressure connecting hole are intermittently connected, and the first low-pressure connecting hole and the second low-pressure connecting hole are intermittently connected.

[0012] Preferably, the valve core includes a first mounting section, a connecting section and a second mounting section which are integrally arranged, wherein: a mounting groove and a connecting groove are arranged in the valve body assembly, the first mounting section can be rotatably arranged in the first mounting groove, the connecting section can be rotatably arranged in the connecting groove, the second mounting section passes through the valve body assembly and is placed on the outside of the valve body assembly, and the second mounting section is connected to the electric power device; the first high-pressure connecting hole and the first low-pressure connecting hole are both arranged on the section of the valve body assembly corresponding to the connecting groove, and the second high-pressure connecting hole and the second low-pressure connecting hole are arranged on the connecting section.

[0013] The present invention provides a hydraulic vibration forging machine tool, comprising any of the above-mentioned hydraulic vibration forging devices

[0014] Preferably, the hydraulic vibration forging machine includes a machine body, a movable plate device, a hydraulic pump station and an electric power device, wherein: the movable plate device is arranged on the machine body, the movable plate device includes an upper fixed plate, a lower fixed plate and a movable plate, the upper fixed plate is located above the lower fixed plate, a feed cylinder is arranged on the lower side of the upper fixed plate, the feed cylinder is connected to the hydraulic pump station, the telescopic end of the feed cylinder is connected to the movable plate, a mold is arranged on the working table of the lower fixed plate, an ejection cylinder is arranged at the bottom of the lower fixed plate, the telescopic end of the ejection cylinder can be inserted into the mold for demolding; the hydraulic pump station is connected to the valve body assembly of the power control system and the hydraulic vibration working head in sequence through the oil circuit; the electric power device is connected to the valve core of the power control system.

[0015] Preferably, a top cap is provided on the top of the fuselage, and a power control system, the hydraulic pump station and the electric power device are all arranged on the top cap.

[0016] The hydraulic vibration forging device and machine tool provided by the present invention have at least the following beneficial effects:

[0017] The hydraulic vibration forging device comprises a hydraulic vibration working head and a power control system. The hydraulic vibration working head is a forging component used for forging forgings, and the power control system is used for controlling the forging action of the hydraulic vibration working head.

[0018] The hydraulic vibration working head is connected to the moving platen of the forging machine, so that during forging, the hydraulic vibration working head can move synchronously with the moving platen, thereby ensuring a larger forging pressure.

[0019] The hydraulic vibration work head is provided with a telescopic end capable of axial reciprocating motion, and the power control system is connected to the hydraulic vibration work head. Thus, during forging, the power control system can generate pulse pressure oil, thereby causing the telescopic end of the hydraulic vibration work head to vibrate and telescope, thereby achieving higher forging accuracy.

[0020] The present invention cooperates with the power control system and the hydraulic vibration working head, and has high forging pressure and strong forging ability on the one hand, and high forging accuracy on the other hand, and can effectively ensure the processing accuracy of forgings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1and Figure 2 It is a structural schematic diagram of the hydraulic vibration forging machine tool of the present invention;

[0023] Figure 3 is a schematic diagram of a top view of the fuselage cap of the present invention;

[0024] Figure 4 It is a schematic diagram of the hydraulic system of the machine tool of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the hydraulic vibrating working head of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the piston body of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the piston rod of the present invention;

[0028] Figure 8 It is a schematic diagram of the structure of the power control system of the present invention;

[0029] Fig. 9 It is a structural schematic diagram of the valve body assembly of the present invention;

[0030] Fig.10 It is a structural schematic diagram of the valve core of the present invention.

[0031] Reference numerals

[0032] 1. Hydraulic vibration working head; 11. Cylinder assembly; 12. Piston body; 13. Piston rod; 131. First section; 132. Second section; 133. Third section; 14. Return spring; 15. Limit sleeve; 16. First oil pipe; 17. Second oil pipe; 18. Back cap; 2. Power control system; 21. Valve body assembly; 211. First high-pressure connecting hole; 212. First low-pressure connecting hole; 213. Mounting groove; 214. Connecting groove; 22. Valve core; 221, second high-pressure connecting hole; 222, second low-pressure connecting hole; 223, first installation section; 224, connecting section; 225, second installation section; 3, fuselage; 31, top cap; 4, movable fixed plate device; 41, upper fixed plate; 42, lower fixed plate; 43, movable plate; 44, feed cylinder; 5, hydraulic pump station; 51, oil tank; 6, electric power unit; 61, motor; 62, transmission; 7, mold; 71, ejection cylinder; 8, operation panel. DETAILED DESCRIPTION

[0033] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0034] Embodiment 1:

[0035] The present invention provides a hydraulic vibration forging device, such as Figures 1 to 10 As shown, the hydraulic vibration forging device includes a hydraulic vibration working head 1 and a power control system 2.

[0036] The hydraulic vibration work head 1 is connected to the moving plate 43 of the forging machine and can move synchronously with the moving plate 43. The hydraulic vibration work head 1 is provided with a telescopic part that can reciprocate along the axial direction. The power control system 2 is connected to the hydraulic vibration work head 1. The power control system 2 can generate pulse pressure oil to make the telescopic part of the hydraulic vibration work head 1 telescopically vibrate.

[0037] During forging, the movable plate 43 of the forging machine moves downward under the push of the feed cylinder 44, and the hydraulic vibration working head 1 drops synchronously therewith to ensure that the forging of the hydraulic vibration working head 1 can be carried out continuously.

[0038] The power control system 2 is started to provide pulse pressure oil to the hydraulic vibration work head 1, so that the telescopic end of the hydraulic vibration work head 1 performs telescopic vibration. Forging is performed through the telescopic vibration of the hydraulic vibration work head 1, which not only provides a larger forging pressure but also has a higher forging accuracy.

[0039] The present invention cooperates with the hydraulic vibrating work head 1 and the power control system 2. Compared with the existing large-tonnage forging presses, it can not only ensure a larger forging pressure, but also has higher forging accuracy, while having a small size and high space utilization.

[0040] As an optional embodiment, the hydraulic vibration working head 1 includes a cylinder assembly 11 and a piston assembly.

[0041] The cylinder assembly 11 includes a cylinder body and an end cover arranged at the end of the cylinder body by threaded fasteners. A hydraulic chamber is arranged inside the cylinder body. A first oil pipe 16 and a second oil pipe 17 are arranged on an end plate of the cylinder body away from the end cover and connected to the hydraulic chamber.

[0042] The piston assembly includes a piston body 12 and a piston rod 13 connected to the piston body 12. The piston body 12 is arranged in the hydraulic cavity and slidingly cooperates with the hydraulic cavity. During the action, the piston body 12 moves under the action of the hydraulic oil, thereby driving the piston rod 13 to synchronously extend and retract, and the piston rod 13 forms the telescopic part.

[0043] As an optional embodiment, the piston body 12 divides the hydraulic cavity into a first cavity and a second cavity, the hydraulic vibration working head 1 includes a reset spring 14, the first oil pipe 16 and the second oil pipe 17 are both connected to the first cavity, the diameter of the first oil pipe 16 is smaller than the diameter of the second oil pipe 17, the first oil pipe 16 forms a high-pressure oil pipe, and the second oil pipe 17 forms a low-pressure oil pipe.

[0044] The return spring 14 is disposed in the second cavity, and two ends thereof are respectively against the piston body 12 and the cylinder assembly 11 .

[0045] When the hydraulic vibrating working head 1 extends, the hydraulic oil enters the first cavity, pushing the piston body 12 forward, and the piston rod 13 extends synchronously. At this time, the return spring 14 is compressed and deformed by the force.

[0046] When the hydraulic vibrating working head 1 contracts, the hydraulic oil flows out of the first cavity, and the return spring 14 in a compressed state provides elastic thrust to move the piston body 12 backward, and the piston rod 13 contracts synchronously therewith.

[0047] The return spring 14 has a buffering effect on one hand, and can provide power for the contraction and return of the piston rod 13 on the other hand.

[0048] As an optional embodiment, the hydraulic vibration working head 1 includes a limit sleeve 15, the outer diameter of the limit sleeve 15 matches the inner diameter of the second cavity, the limit sleeve 15 is fixedly disposed in the second cavity, and the return spring 14 is sleeved on the piston rod 13 and is located in the limit sleeve 15.

[0049] During the process of the piston rod 13 extending, the piston body 12 abuts against the limiting sleeve 15, and the extending action is completed.

[0050] The limiting sleeve 15 is used to accommodate the return spring on one hand, and has a limiting function on the other hand, which can effectively limit the extreme extension position of the piston rod 13 .

[0051] As an optional embodiment, the piston rod 13 includes a first section 131 , a second section 132 , and a third section 133 that are integrally arranged, and the diameters of the first section 131 , the second section 132 , and the third section 133 decrease gradually.

[0052] The first section 131 passes through the cylinder assembly 11 and is disposed outside the cylinder assembly 11 . The first section 131 is a forging section for performing vibration forging.

[0053] The piston body 12 is sleeved on the second section 132. A mounting groove 213 is provided on the end surface of the piston body 12 away from the second cavity. A back cap 18 is provided in the mounting groove 213. The back cap 18 is sleeved on the third section 133 and fixed by a cotter pin. The second section 132 and the third section 133 are mounting sections for installing the piston body 12. The back cap 18, the piston body 12 and the piston rod 13 move synchronously.

[0054] As an optional embodiment, the power control system 2 includes a valve body assembly 21 and a valve core 22, the valve body assembly 21 includes a valve body and an end cover arranged at the end of the valve body through threaded fasteners, the valve core 22 is rotatably arranged in the valve body, one end of the valve core 22 is located on the outside of the valve body and is connected to the electric power device 6 of the forging machine.

[0055] The valve body is provided with a first high-pressure connecting hole 211 and a first low-pressure connecting hole 212 in the radial direction of the cross section. The diameter of the first high-pressure connecting hole 211 is smaller than the diameter of the first low-pressure connecting hole 212. The valve core 22 is provided with a second high-pressure connecting hole 221 in the radial direction of its cross section at a position corresponding to the first high-pressure connecting hole 211. The valve core 22 is provided with a second low-pressure connecting hole 222 in the radial direction of its cross section at a position corresponding to the first low-pressure connecting hole 212.

[0056] The diameter of the second high-pressure communicating hole 221 is smaller than the diameter of the second low-pressure communicating hole 222 , and the second high-pressure communicating hole 221 and the second low-pressure communicating hole 222 are alternately distributed.

[0057] The power control system 2 is arranged on the oil circuit between the hydraulic vibration working head 1 and the hydraulic pump station 5 , the first high-pressure connecting hole 211 is connected to the high-pressure oil circuit, and the first low-pressure connecting hole 212 is connected to the low-pressure oil circuit.

[0058] When the electric power device 6 drives the valve core 22 to rotate, since the second high-pressure connecting hole 221 and the second low-pressure connecting hole 222 are arranged in an alternating manner, the first high-pressure connecting hole 211 and the second high-pressure connecting hole 221 are intermittently connected, and the first low-pressure connecting hole 212 and the second low-pressure connecting hole 222 are intermittently connected, thereby generating pulse pressure oil, thereby providing a stable working frequency for the hydraulic vibration work head 1, which can ensure a stable working effect, thereby achieving the purpose of forging live parts.

[0059] Preferably, the operating frequency is 8-15 Hz.

[0060] In actual application, the vibration forging frequency can be controlled by controlling the rotation speed of the valve core 22 .

[0061] As an optional embodiment, the valve core 22 includes a first installation section 223 , a connecting section 224 , and a second installation section 225 that are integrally arranged, and a diameter of the connecting section 224 is larger than a diameter of the first installation section 223 and the second installation section 225 .

[0062] An installation groove 213 and a connecting groove 214 are provided in the valve body assembly 21. The first installation section 223 matches the size of the installation groove 213 and can be rotatably arranged in the first installation groove 213. The connecting section 224 matches the size of the connecting groove 214 and can be rotatably arranged in the connecting groove 214. The second installation section 225 passes through the valve body assembly 21 and is placed on the outside of the valve body assembly 21. The second installation section 225 is connected to the electric power device 6.

[0063] The first high-pressure communicating hole 211 and the first low-pressure communicating hole 212 are both arranged on the section of the valve body assembly 21 corresponding to the communicating groove 214 , and the second high-pressure communicating hole 221 and the second low-pressure communicating hole 222 are arranged on the communicating section 224 .

[0064] Example 2

[0065] Example 2 is based on Example 1:

[0066] The present invention provides a hydraulic vibration forging machine tool, such as Figures 1 to 10 As shown, the hydraulic vibration forging machine tool includes the hydraulic vibration forging device, a machine body 3, a movable plate device 4, a hydraulic pump station 5 and an electric power device 6.

[0067] The movable fixed plate device 4 is arranged on the fuselage 3, and the movable fixed plate device 4 includes an upper fixed plate 41, a lower fixed plate 42 and a movable plate 43. The upper fixed plate 41 and the lower fixed plate 42 are arranged opposite to each other, the upper fixed plate 41 is located above the lower fixed plate 42, and the movable plate 43 is located between the upper fixed plate 41 and the lower fixed plate 42. A feed cylinder 44 is arranged on the lower side of the upper fixed plate 41, and the feed cylinder 44 is connected to the hydraulic pump station 5. The telescopic end of the feed cylinder 44 is connected to the movable plate 43. During the forging process, the feed cylinder 44 provides a feed thrust for the movable plate 43.

[0068] A mold 7 is arranged on the working surface of the lower fixed plate 42, and an ejector cylinder 71 is arranged at the bottom of the lower fixed plate 42. The telescopic end of the ejector cylinder 71 can be inserted into the mold 7. During the forging process, the ejector cylinder 71 is in a retracted state. When the forging is completed, the ejector cylinder 71 extends to push the forging out of the mold 7, thereby realizing demolding.

[0069] During the actual forging process, the hydraulic vibrating work head 1 can move in the die 7 to achieve closed forging.

[0070] In order to improve the movement stability of the moving plate 43, a guide rail is fixedly provided on the fuselage 3 along the vertical direction, and the moving plate 43 is movably provided on the guide rail, and the guide rail adopts an X-shaped guide rail.

[0071] The hydraulic pump station 5 is connected to the valve body assembly 21 of the power control system 2 and the hydraulic vibration working head 1 in sequence through an oil circuit, and the hydraulic pump station 5 is connected to an oil tank 51 .

[0072] The electric power device 6 includes a motor 61 and a transmission 62 connected to the motor 61 , and an output end of the transmission 62 is connected to the valve core 22 of the power control system 2 .

[0073] As an optional implementation, the fuselage 3 is made of cast steel to ensure the overall strength of the machine tool.

[0074] A top cap 31 is arranged on the top of the fuselage 3 , and the power control system 2 , the hydraulic pump station 5 and the electric power device 6 are all arranged on the top cap 31 .

[0075] The hydraulic vibration forging machine also includes an operation panel 8, which is arranged on the machine body 3 for easy operation.

[0076] In the description of the present application, it should be understood that the terms "upper", "lower", "inside", "outside", "top", "bottom", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0077] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "multiple" or "several" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0078] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0079] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A hydraulic vibration forging device, characterized in that: It includes a hydraulic vibrating work head and a power control system, including: The hydraulic vibration work head is connected to the moving plate of the forging machine and can move synchronously with the moving plate. The hydraulic vibration work head is provided with a telescopic part that can reciprocate along the axial direction. The power control system is connected to the hydraulic vibration work head. The power control system can generate pulse pressure oil to make the telescopic part of the hydraulic vibration work head telescopically vibrate.

2. The hydraulic vibration forging device according to claim 1, characterized in that: The hydraulic vibration working head comprises a cylinder assembly and a piston assembly, wherein: A hydraulic chamber is arranged in the cylinder assembly, and a first oil pipe and a second oil pipe are arranged on the cylinder assembly and communicated with the hydraulic chamber; The piston assembly comprises a piston body and a piston rod connected to the piston body. The piston body is slidably disposed in the hydraulic cavity, and the piston rod forms the telescopic portion.

3. The hydraulic vibration forging device according to claim 2, characterized in that: The piston body divides the hydraulic chamber into a first chamber and a second chamber, and the hydraulic vibration working head includes a return spring, wherein: The first oil pipe and the second oil pipe are both connected to the first cavity, and the diameter of the first oil pipe is smaller than the diameter of the second oil pipe; The return spring is arranged in the second cavity, and two ends thereof are respectively against the piston body and the cylinder assembly. When the piston body drives the piston rod to extend, the return spring is compressed and deformed.

4. The hydraulic vibration forging device according to claim 3, characterized in that: The hydraulic vibrating working head comprises a limiting sleeve, wherein: The limiting sleeve is arranged in the second cavity, and the return spring is sleeved on the piston rod and is located in the limiting sleeve; When the piston body drives the piston rod to extend, it can abut against the limiting sleeve.

5. The hydraulic vibration forging device according to claim 4, characterized in that: The piston rod comprises a first section, a second section and a third section which are integrally arranged, wherein: The first section passes through the cylinder assembly and is placed outside the cylinder assembly; The piston body is sleeved on the second section; The piston body is provided with a mounting groove on its end surface away from the second cavity, a back cap is provided in the mounting groove, the back cap is sleeved on the third section, and the back cap, the piston body and the piston rod move synchronously.

6. The hydraulic vibration forging device according to claim 1, characterized in that: The power control system comprises a valve body assembly and a valve core rotatably arranged inside the valve body assembly, wherein the valve core is connected to an electric power device of a forging machine, wherein: The valve body assembly is radially provided with a first high-pressure communicating hole and a first low-pressure communicating hole, the valve core is radially provided with a second high-pressure communicating hole at a position corresponding to the first high-pressure communicating hole, the valve core is radially provided with a second low-pressure communicating hole at a position corresponding to the first low-pressure communicating hole, and the second high-pressure communicating hole and the second low-pressure communicating hole are staggered; The electric power device can drive the valve core to rotate, so that the first high-pressure connecting hole and the second high-pressure connecting hole are intermittently connected, and the first low-pressure connecting hole and the second low-pressure connecting hole are intermittently connected.

7. The hydraulic vibration forging device according to claim 6, characterized in that: The valve core comprises a first installation section, a connecting section and a second installation section which are integrally arranged, wherein: The valve body assembly is provided with a mounting groove and a connecting groove, the first mounting section is rotatably arranged in the first mounting groove, the connecting section is rotatably arranged in the connecting groove, the second mounting section passes through the valve body assembly and is arranged outside the valve body assembly, and the second mounting section is connected to the electric power device; The first high-pressure communicating hole and the first low-pressure communicating hole are both arranged on the section of the valve body assembly corresponding to the communicating groove, and the second high-pressure communicating hole and the second low-pressure communicating hole are arranged on the communicating section.

8. A hydraulic vibration forging machine, characterized in that: A hydraulic vibration forging device comprising the hydraulic vibration forging device described in any one of claims 1-7.

9. The hydraulic vibration forging machine according to claim 8, characterized in that: The hydraulic vibration forging machine tool comprises a machine body, a movable plate device, a hydraulic pump station and an electric power device, wherein: The movable fixed plate device is arranged on the fuselage, and the movable fixed plate device comprises an upper fixed plate, a lower fixed plate and a movable plate, the upper fixed plate is located above the lower fixed plate, a feed oil cylinder is arranged on the lower side of the upper fixed plate, the feed oil cylinder is connected to the hydraulic pump station, the telescopic end of the feed oil cylinder is connected to the movable plate, a mold is arranged on the working table of the lower fixed plate, and an ejection oil cylinder is arranged at the bottom of the lower fixed plate, and the telescopic end of the ejection oil cylinder can be inserted into the mold for demoulding; The hydraulic pump station is connected to the valve body assembly of the power control system and the hydraulic vibration working head in sequence through an oil circuit; The electric power device is connected to the valve core of the power control system.

10. The hydraulic vibration forging machine according to claim 9, characterized in that: A top cap is arranged on the top of the fuselage, and a power control system, the hydraulic pump station and the electric power device are all arranged on the top cap.

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