A CPH oil circuit rotary distributor device

Abstract

The present invention discloses a CPH oil circuit rotary distributor device, which belongs to the technical field of hydraulic equipment, and comprises a rotating mechanism, comprising an outer shell and an inner core, wherein the inner core is arranged in the outer shell and can rotate relative to the outer shell, a plurality of oil storage chambers are arranged between the outer shell and the inner core, a plurality of second joints are arranged on the outer shell, a plurality of oil outlet channels are arranged in the inner core, and each oil storage chamber is connected to at least one second joint and at least one oil outlet channel; a fixing mechanism is arranged on which a plurality of first joints are arranged; a protective shell is arranged, wherein two protective shells are rotatably connected, wherein one protective shell is rotatably connected to the fixing mechanism, and the other protective shell is connected to the outer shell; a plurality of first hoses are arranged, wherein each first hose is passed through two protective shells, and one end is connected to at least one first joint, and the other end is connected to the corresponding second joint. The CPH oil circuit rotary distributor device can avoid the first hoses from being entangled with each other, and improve the processing efficiency of the machine tool.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic equipment, and in particular to a CPH oil circuit rotary distributor device. Background Art

[0002] The hydraulic power unit is the core power unit component of CNC machine tools. It is connected to the fixture on the machine tool mainly through adapters and oil pipes. This connection method makes the oil pipes distributed dispersedly, and when the fixture needs to rotate or move, the oil pipes are easy to be entangled with each other, which not only affects the normal supply of hydraulic oil, but also the entangled oil pipes will limit the rotation or movement of the fixture to a certain extent, affecting the processing efficiency of the machine tool. Summary of the invention

[0003] The purpose of the present invention is to provide a CPH oil circuit rotary distributor device to solve the problem in the prior art that the oil pipes are easily entangled with each other when the fixture rotates or moves, affecting the normal supply of hydraulic oil and the processing efficiency of the machine tool.

[0004] As conceived above, the technical solution adopted by the present invention is:

[0005] A CPH oil circuit rotary distributor device, comprising a rotating mechanism, comprising an outer shell and an inner core, the inner core is arranged in the outer shell and can rotate relative to the outer shell, a plurality of oil storage chambers are arranged between the outer shell and the inner core, a plurality of second joints are arranged on the outer shell, a plurality of oil outlet channels are arranged in the inner core, each of the oil storage chambers is connected to at least one of the second joints and at least one of the oil outlet channels, the inner core can be connected to a fixture on a machine tool, and each of the oil outlet channels is used to supply oil to a corresponding hydraulic component on the fixture;

[0006] A fixing mechanism, on which a plurality of first joints are arranged;

[0007] There are two protective shells, the two protective shells are rotatably connected, one of the protective shells is rotatably connected to the fixing mechanism, and the other protective shell is connected to the outer shell;

[0008] A plurality of first hoses are provided, each of which is passed through the two protection shells, and one end of each first hose is connected to at least one of the first connectors, and the other end of each first hose is connected to the corresponding second connector.

[0009] Furthermore, the outer peripheral surface of the inner core is provided with a plurality of first annular grooves arranged along its axial direction, and a first rotating sealing ring is provided on the annular protrusion between two adjacent first annular grooves. The first rotating sealing ring is pressed against the inner wall of the outer shell, and the oil storage chamber is formed between two adjacent first rotating sealing rings.

[0010] Furthermore, the rotating mechanism also includes a chassis, which is used to connect the fixture, one end of the inner core is fixedly connected to the chassis, and the outer shell is sleeved on the inner core.

[0011] Furthermore, a plurality of oil holes are provided on the chassis, the number of the oil holes is the same as the oil outlet channels, and the oil holes are connected one-to-one, and each of the oil holes is used to supply oil to the corresponding hydraulic component.

[0012] Furthermore, the rotating mechanism also includes an inner shaft, the inner shaft includes a central shaft and a top plate connected to each other, the inner core is rotatably sleeved on the central shaft, and the outer shell is fixedly connected to the top plate.

[0013] Furthermore, the central axis is provided with a first hole extending along its axial direction and penetrating through one end of the central axis away from the top plate, the top plate is provided with a second hole connected to the first hole, the top plate is provided with a third joint connected to the second hole, the third joint is connected to the fourth joint on the fixing mechanism through a second hose, and the second hose is passed through the two protective shells.

[0014] Furthermore, a one-way valve structure is disposed in the first hole, and the one-way valve structure is conductive in a direction pointing away from the top plate.

[0015] Furthermore, a plurality of accommodating cavities are arranged between the central axis and the inner core, a plurality of fifth joints and a plurality of conveying channels are arranged on the inner axis, each of the accommodating cavities is connected to at least one fifth joint and at least one conveying channel, and each of the fifth joints is connected to the corresponding first joint through a third hose, and the third hose is passed through the two protective shells.

[0016] Furthermore, the CPH oil circuit rotary distributor device also includes a cover shell, which can be connected to the machine tool, and a plurality of first interfaces are provided on the cover shell, one end of each of the first interfaces can be connected to the hydraulic oil supply unit through a pipeline, and the other end is connected to one of the first joints through a pipeline.

[0017] Furthermore, the CPH oil circuit rotary distributor device also includes a connecting mechanism, which includes a first connecting member and a second connecting member that are rotatably connected, the first connecting member is rotatably connected to one of the two protective shells, and the second connecting member is fixedly connected to the other of the two protective shells.

[0018] The beneficial effects of the present invention are:

[0019] The CPH oil circuit rotary distributor device proposed in the present invention is provided with a rotating mechanism, a fixing mechanism, a protective shell and a plurality of first hoses. The inner core can rotate relative to the outer shell, the inner core can rotate relative to the outer shell, a plurality of oil storage chambers are provided between the inner core and the outer shell, a plurality of second joints are provided on the outer shell, a plurality of oil outlet channels are provided in the inner core, each oil storage chamber is connected to at least one second joint and at least one oil outlet channel, the inner core can be connected to the fixture, and each oil outlet channel can be connected to the corresponding hydraulic component on the fixture through an oil pipe; the two protective shells are rotatably connected, one of the protective shells is rotatably connected to the fixing mechanism, and the first hoses are passed through the two protective shells. Therefore, during the working process of the fixture, the CPH oil circuit rotary distributor device can move with the movement or rotation of the fixture, and can avoid the first hoses from being entangled with each other, thereby ensuring that the hydraulic oil can be supplied normally and improving the processing efficiency of the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the CPH oil circuit rotary distributor device provided by the present invention;

[0021] Figure 2 yes Figure 1 A partial enlarged view of the middle A;

[0022] Figure 3 It is a partial structural schematic diagram of the CPH oil circuit rotary distributor device provided by the present invention;

[0023] Figure 4 It is a structural schematic diagram of the rotating mechanism provided by the present invention;

[0024] Figure 5 It is a structural schematic diagram of the rotating mechanism (excluding the outer shell) provided by the present invention;

[0025] Figure 6 It is a structural schematic diagram of the inner shaft provided by the present invention;

[0026] Figure 7 It is a cross-sectional schematic diagram of the rotating mechanism provided by the present invention.

[0027] In the figure:

[0028] 1. Rotating mechanism; 11. Shell; 111. Second joint; 12. Inner core; 121. First annular groove; 122. Oil outlet channel; 13. Chassis; 14. Inner shaft; 141. Top plate; 1411. Second hole; 1412. Third joint; 1413. Fifth joint; 142. Center shaft; 1421. Second annular groove; 1422. Delivery channel; 1423. First hole;

[0029] 2. Fixing mechanism; 21. First joint; 22. Fourth joint;

[0030] 3. Protective shell; 31. First shell; 32. Second shell;

[0031] 4. Connecting mechanism; 41. First connecting member; 42. Second connecting member; 43. Protective cover;

[0032] 51, first rotating sealing ring; 52, second rotating sealing ring; 53, third rotating sealing ring;

[0033] 61. first bearing; 62. second bearing;

[0034] 10. Oil storage chamber; 20. Accommodating chamber. DETAILED DESCRIPTION

[0035] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the present invention are further described below in conjunction with the accompanying drawings and through specific implementation methods. It is understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for the convenience of description, only the parts related to the present invention are shown in the accompanying drawings, not all.

[0036] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0038] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0039] like Figures 1 to 7 As shown, this embodiment provides a CPH (Hydraulic Pressure Center) oil circuit rotary distributor device, which includes a rotating mechanism 1, a fixing mechanism 2, a protective shell 3 and a plurality of first hoses (not shown in the figure).

[0040] Among them, the fixing mechanism 2 can be connected to the machine tool. In the present embodiment, the fixing mechanism 2 is a box-shaped structure with an opening on one side, and a fourth joint 22 and a plurality of first joints 21 are provided on the side opposite to the opening. The above-mentioned CPH oil circuit rotary distributor device also includes a cover (not shown in the figure), which can be connected to the machine tool, and a plurality of first interfaces are provided on the cover, and each first interface is connected to one of the first joints 21 through a pipeline. A second interface is also provided on the cover, and the second interface is connected to the fourth joint 22 through a pipeline. The above-mentioned first interface can be connected to the hydraulic oil supply unit through a pipeline to realize the delivery of hydraulic oil; the first interface can also be connected to a high-pressure gas source through a pipeline to realize the delivery of high-pressure gas. The second interface can be connected to a coolant source to realize the delivery of coolant. It can be understood that the cover and the fixing mechanism 2 of the CPH oil circuit rotary distributor device are both fixed on the machine tool to ensure the stable delivery of hydraulic oil, high-pressure gas and coolant.

[0041] The above-mentioned protective shell 3 is provided with two. In the present embodiment, the protective shell 3 is a cylindrical structure with openings at both ends. For the convenience of description, the two protective shells 3 are defined as a first protective shell and a second protective shell, respectively. One end of the first protective shell is rotatably connected to the fixing mechanism 2, and the other end is rotatably connected to the second protective shell. The end of the second protective shell away from the first protective shell is connected to the rotating mechanism 1. Through the above-mentioned setting, the first protective shell and the second protective shell can rotate relative to each other or both can rotate relative to the fixing mechanism 2. In addition, in the present embodiment, the protective shell 3 includes a first shell 31 and a second shell 32 connected at a preset angle, and the two first shells 31 of the two protective shells 3 are rotatably connected. Optionally, the top plates of the first shell 31 and the second shell 32 are both tilted to reduce the accumulation of dust or garbage.

[0042] In order to realize the rotational connection between the first protective shell and the second protective shell, the CPH oil circuit rotary distributor device also includes a connecting mechanism 4, which includes a first connecting member 41 and a second connecting member 42 that are rotatably connected, the first connecting member 41 is rotatably connected to one of the two protective shells 3, and the second connecting member 42 is fixed to the other of the two protective shells 3. The connecting mechanism 4 also includes a protective cover 43, and the protective cover 43 is covered on the first connecting member 41. By providing the protective cover 43, it is possible to avoid the deposition of dust and impurities at the position where the first connecting member 41 is connected to the protective shell 3 and the second connecting member 42, thereby ensuring that the first connecting member 41 and the second connecting member 42 can rotate smoothly. By providing the connecting mechanism 4, it is possible to ensure that when the two protective shells 3 move with the fixture, the connecting mechanism 4 can adjust the distance between the two protective shells 3, so that the CPH oil circuit rotary distributor device can meet the movement requirements of the fixture.

[0043] The rotating mechanism 1 includes an outer shell 11 and an inner core 12. The outer shell 11 is connected to one end of the second protective shell away from the first protective shell. The inner core 12 is arranged in the outer shell 11 and can rotate relative to the outer shell 11. A plurality of oil storage chambers 10 are arranged between the outer shell 11 and the inner core 12. A plurality of second joints 111 are arranged on the outer shell 11. A plurality of oil outlet channels 122 are arranged in the inner core 12. Each oil storage chamber 10 is connected to at least one second joint 111 and at least one oil outlet channel 122. The inner core 12 can be connected to a jig on a machine tool. As the jig moves or rotates, each oil outlet channel 122 is connected to a corresponding hydraulic component on the jig through an oil pipe. Each first hose is passed through two protective shells 3, and one end is connected to at least one first joint 21, and the other end is connected to the corresponding second joint 111.

[0044] It can be understood that the hydraulic oil at the first joint 21 enters the corresponding hydraulic component through the corresponding first hose, the second joint 111, the oil storage chamber 10, and the oil outlet channel 122 to achieve hydraulic control of the hydraulic component. Since the inner core 12 can rotate relative to the outer shell 11, the two protective shells 3 are rotatably connected, the first protective shell is rotatably connected to the fixing mechanism 2, and the first hose is inserted into the two protective shells 3, the CPH oil circuit rotary distributor device can move with the movement or rotation of the fixture during the working process of the fixture to avoid the first hoses from being entangled with each other, thereby ensuring that the hydraulic oil can be supplied normally and improving the processing efficiency of the machine tool.

[0045] Specifically, the inner core 12 is a cylindrical structure, and the outer peripheral surface of the inner core 12 is provided with a plurality of first annular grooves 121 arranged at intervals along the axial direction thereof, and a first rotating seal ring 51 is provided on the annular protrusion between two adjacent first annular grooves 121, and the first rotating seal ring 51 is pressed against the inner wall of the outer shell 11, and the oil storage chamber 10 is formed between the two adjacent first rotating seal rings 51. The outer shell 11 is also a cylindrical structure, and optionally, in this embodiment, a third annular groove is provided at a position corresponding to the first annular groove 121 on the inner wall surface of the outer shell 11, and a fourth annular groove is provided at a position corresponding to the first rotating seal ring 51. It can be understood that the first rotating seal ring 51 is pressed against the inner wall of the fourth annular groove to achieve sealing between two adjacent oil storage chambers 10, and the third annular groove, the first annular groove 121 and the corresponding two first rotating seal rings 51 are arranged to form the oil storage chamber 10.

[0046] Specifically, in this embodiment, the number of the first annular groove 121 and the number of the third annular groove are six, so the number of the oil storage chambers 10 is also six, the number of the second joints 111 is also six, and the number of the oil outlet passages 122 is also six. The six oil storage chambers 10 are connected to the six second joints 111 in a one-to-one correspondence, and the six oil storage chambers 10 are connected to the six oil outlet passages 122 in a one-to-one correspondence. There are also six first hoses, and the six first hoses are connected to the six second joints 111 in a one-to-one correspondence. One end of each first hose is connected to a second joint 111, and the other end is connected to at least one first joint 21. Of course, in other embodiments, the number of oil storage chambers 10, the second joints 111, and the oil outlet passages 122 can be set according to actual needs, and the number of first hoses is set according to the number of second joints 111.

[0047] The rotating mechanism 1 further comprises a chassis 13, which is used to connect the jig, the inner core 12 is connected to the chassis 13, and the outer shell 11 is sleeved on the inner core 12. Specifically, in the present embodiment, the inner core 12 is detachably connected to the chassis 13 by bolts, and a plurality of oil holes are provided on the chassis 13, and the number of the oil holes and the oil outlet channels 122 are the same and are connected one by one. It can be understood that the hydraulic oil in the oil outlet channels 122 is connected to the corresponding hydraulic components through the corresponding oil holes and oil pipes. In order to prevent the hydraulic oil in the oil storage chamber 10 from leaking to the chassis 13, an annular protrusion is provided on the chassis 13, and a third rotating seal ring 53 is provided between the inner wall surface of the outer shell 11 and the annular protrusion. In the present embodiment, the third rotating seal ring 53 is preferably a V-shaped rotating seal ring.

[0048] The rotating mechanism 1 further comprises an inner shaft 14, the inner shaft 14 comprises a central shaft 142 and a top plate 141 connected to each other, the inner core 12 is sleeved on the central shaft 142, the outer shell 11 is fixedly connected to the top plate 141, and the top plate 141 and the bottom plate 13 are respectively located at two ends of the axis direction of the inner core 12. It can be understood that the inner shaft 14 and the outer shell 11 are connected as a whole, the bottom plate 13 and the inner core 12 are connected as a whole, and the inner core 12 and the bottom plate 13 can rotate relative to the outer shell 11 and the inner shaft 14. In order to improve the smoothness of the rotation of the inner core 12, a first bearing 61 is arranged between the inner core 12 and the outer shell 11, the first bearing 61 is sleeved on the inner core 12, and the first bearing 61 is fixedly connected to the inner core 12 or the outer shell 11; a second bearing 62 is arranged between the inner core 12 and the central shaft 142, the second bearing 62 is sleeved on the central shaft 142, and the second bearing 62 is fixedly connected to the inner core 12 or the central shaft 142. In this embodiment, two first bearings 61 and two second bearings 62 are provided, and the two first bearings 61 are respectively located at the two ends of the axial direction of the inner core 12, and the two second bearings 62 are also respectively located at the two ends of the axial direction of the inner core 12. In addition, in this embodiment, the first bearing 61 is preferably a deep groove ball bearing, and the second bearing 62 is preferably a basket needle bearing.

[0049] The central shaft 142 is provided with a first hole 1423 extending along its axial direction and penetrating one end of the central shaft 142 away from the top plate 141. The top plate 141 is provided with a second hole 1411 connected to the first hole 1423. The first hole 1423 and the second hole 1411 form a transmission channel. The top plate 141 is provided with a third joint 1412 connected to the second hole 1411. The third joint 1412 is connected to the fourth joint 22 on the fixing mechanism 2 through a second hose. The second hose is passed through the two protective shells 3. Cooling liquid or cleaning liquid is transported through the fourth joint 22, the second hose, the third joint 1412 and the transmission channel. The cooling liquid is used to cool the fixture, and the cleaning liquid is used to clean the positioning surface of the fixture to keep the positioning surface free of foreign matter and impurities.

[0050] The CPH oil circuit rotary distributor device also includes a fastening plate, which is connected to the chassis 13. The chassis 13 is provided with a through hole for the central shaft 142 to extend into. The central shaft 142 can rotate relative to the through hole. A sealing structure is provided between the central shaft 142 and the inner wall of the through hole. The CPH oil circuit rotary distributor device also includes a fastener and an elastic member. The fastener is provided with a through hole along its axial direction. One end of the fastener passes through the fastening plate and extends into the first hole 1423. In addition, a limiting member is also provided on the fastener. The elastic member is sleeved on the fastener and is located between the central shaft 142 and the limiting member. Therefore, the compression amount of the elastic member can be adjusted by the fastener so that an appropriate gap is maintained between the central shaft 142 and the fastening plate to avoid friction between the central shaft 142 and the fastening plate.

[0051] In addition, the outer circumferential surface of the central shaft 142 is provided with a plurality of second annular grooves 1421 arranged at intervals along the axial direction thereof, and a second rotary seal ring 52 is provided on the annular protrusion between two adjacent second annular grooves 1421, and the second rotary seal ring 52 is pressed against the inner wall of the inner core 12, and a receiving cavity 20 is formed between two adjacent second rotary seal rings 52. Optionally, in order to improve the rotary sealing effect, a fifth annular groove is provided at a position corresponding to the second annular groove 1421 on the inner circumferential surface of the inner core 12, and a sixth annular groove is provided at a position corresponding to the second rotary seal ring 52. It can be understood that the second rotary seal ring 52 is pressed against the inner wall of the sixth annular groove, and the fifth annular groove and the corresponding second annular groove 1421 and the corresponding two second rotary seal rings 52 are surrounded to form the above-mentioned receiving cavity 20. The inner shaft 14 is provided with a plurality of conveying channels 1422 connected to each accommodating cavity 20, and the conveying channels 1422 pass through the top plate 141 and the central axis 142. A plurality of fifth joints 1413 are provided on the top plate 141. One end of each conveying channel 1422 is connected to at least one fifth joint 1413, and the other end is connected to one of the accommodating cavities 20. Each fifth joint 1413 is connected to the corresponding first joint 21 through a third hose (not shown in the figure), and the third hose is also passed through the two protective shells 3.

[0052] The fifth joint 1413, the third hose, the delivery channel 1422 and the accommodating chamber 20 are mainly used to deliver clean gas, which is mainly used to detect the size of the gap between the workpiece and the positioning surface of the machine tool fixture or whether the contact is good during the clamping process of the workpiece, so as to ensure that the parts are accurately positioned. Specifically, in this embodiment, the number of the fifth joint 1413, the delivery channel 1422 and the accommodating chamber 20 is the same, and there are six of them. The six fifth joints 1413 are connected to the six delivery channels 1422 in a one-to-one correspondence, and the six delivery channels 1422 are connected to the six accommodating chambers 20 in a one-to-one correspondence. There are also six third hoses, and the six third hoses are connected to the six fifth joints 1413 in a one-to-one correspondence. One end of each third hose is connected to a fifth joint 1413, and the other end is connected to at least one first joint 21. Of course, in other embodiments, the number of the fifth joint 1413, the delivery channel 1422 and the accommodating chamber 20 can be set according to actual needs, and the number of the third hoses is set according to the number of the fifth joints 1413.

[0053] In this embodiment, in order to facilitate processing and save the assembly time of parts, the central shaft 142 and the top plate 141 constituting the inner shaft 14 are integrally processed and formed. Of course, in other embodiments, the central shaft 142 and the top plate 141 can also be separately arranged.

[0054] In summary, the CPH oil circuit rotary distributor device provided in this embodiment is provided with a rotating mechanism 1, a fixing mechanism 2, a protective shell 3 and multiple first hoses, the inner core 12 can rotate relative to the outer shell 11, multiple oil storage chambers 10 are provided between the inner core 12 and the outer shell 11, multiple second joints 111 are provided on the outer shell 11, and multiple oil outlet channels 122 are provided in the inner core 12. Each oil storage chamber 10 is connected to at least one second joint 111 and at least one oil outlet channel 122. The inner core 12 can be connected to the fixture, and each oil outlet channel 122 can be connected to the corresponding hydraulic component on the fixture through an oil pipe; the two protective shells 3 are rotatably connected, the first protective shell is rotatably connected to the fixing mechanism 2, and the first hose is passed through the two protective shells 3. Therefore, during the working process of the fixture, the CPH oil circuit rotary distributor device can move with the movement or rotation of the fixture, which can avoid the first hoses from being entangled with each other, ensure that the hydraulic oil can be supplied normally, and improve the processing efficiency of the machine tool.

[0055] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A CPH oil circuit rotary distributor device, characterized in that: include: A rotating mechanism (1) comprises an outer shell (11) and an inner core (12); the inner core (12) is arranged in the outer shell (11) and can rotate relative to the outer shell (11); a plurality of oil storage chambers (10) are arranged between the outer shell (11) and the inner core (12); a plurality of second joints (111) are arranged on the outer shell (11); a plurality of oil outlet channels (122) are arranged in the inner core (12); each of the oil storage chambers (10) is connected to at least one of the second joints (111) and at least one of the oil outlet channels (122); the inner core (12) can be connected to a fixture on a machine tool; and each of the oil outlet channels (122) is used to supply oil to a corresponding hydraulic component on the fixture; A fixing mechanism (2) on which a plurality of first joints (21) are arranged; Two protective shells (3) are provided, and the two protective shells (3) are rotatably connected, wherein one of the protective shells (3) is rotatably connected to the fixing mechanism (2), and the other protective shell (3) is connected to the outer shell (11); A plurality of first hoses are provided, each of which is inserted into the two protective shells (3), and has one end connected to at least one of the first connectors (21) and the other end connected to the corresponding second connector (111); The CPH oil circuit rotary distributor device also includes a connecting mechanism (4), wherein the connecting mechanism (4) includes a first connecting member (41) and a second connecting member (42) which are rotatably connected, wherein the first connecting member (41) is rotatably connected to one of the two protective shells (3), and the second connecting member (42) is fixedly connected to the other of the two protective shells (3).

2. The CPH oil circuit rotary distributor device according to claim 1, characterized in that: The outer peripheral surface of the inner core (12) is provided with a plurality of first annular grooves (121) arranged along its axial direction, and a first rotating seal ring (51) is provided on the annular protrusion between two adjacent first annular grooves (121), the first rotating seal ring (51) is pressed against the inner wall of the outer shell (11), and the oil storage chamber (10) is formed between two adjacent first rotating seal rings (51).

3. The CPH oil circuit rotary distributor device according to claim 2, characterized in that: The rotating mechanism (1) further comprises a chassis (13), wherein the chassis (13) is used to connect the fixture, one end of the inner core (12) is fixedly connected to the chassis (13), and the outer shell (11) is sleeved on the inner core (12).

4. The CPH oil circuit rotary distributor device according to claim 3, characterized in that: The chassis (13) is provided with a plurality of oil holes, the number of the oil holes is the same as the number of the oil outlet channels (122), and they are connected one by one, and each of the oil holes is used to supply oil to the corresponding hydraulic component.

5. The CPH oil circuit rotary distributor device according to claim 1, characterized in that: The rotating mechanism (1) further comprises an inner shaft (14), wherein the inner shaft (14) comprises a central shaft (142) and a top plate (141) connected to each other, the inner core (12) is rotatably sleeved on the central shaft (142), and the outer shell (11) is fixedly connected to the top plate (141).

6. The CPH oil circuit rotary distributor device according to claim 5, characterized in that: The central shaft (142) is provided with a first hole (1423) extending along its axial direction and penetrating one end of the central shaft (142) away from the top plate (141); the top plate (141) is provided with a second hole (1411) connected to the first hole (1423); the top plate (141) is provided with a third joint (1412) connected to the second hole (1411); the third joint (1412) is connected to the fourth joint (22) on the fixing mechanism (2) via a second hose; the second hose is passed through the two protective shells (3).

7. The CPH oil circuit rotary distributor device according to claim 5, characterized in that: A plurality of accommodating cavities (20) are arranged between the central shaft (142) and the inner core (12); a plurality of fifth joints (1413) and a plurality of conveying channels (1422) are arranged on the inner shaft (14); each of the accommodating cavities (20) is connected to at least one of the fifth joints (1413) and at least one of the conveying channels (1422); and each of the fifth joints (1413) is connected to the corresponding first joint (21) via a third hose, and the third hose is passed through the two protective shells (3).

8. The CPH oil circuit rotary distributor device according to claim 1, characterized in that: The CPH oil circuit rotary distributor device also includes a cover shell, which can be connected to the machine tool. The cover shell is provided with a plurality of first interfaces, one end of each of the first interfaces can be connected to the hydraulic oil supply unit through a pipeline, and the other end is connected to one of the first joints (21) through a pipeline.

Images