CN114151411A

CN114151411A - Square mode locking oil cylinder device with cooling function

Info

Publication number: CN114151411A
Application number: CN202111510396.0A
Authority: CN
Inventors: 王磊; 李卫华; 崖华青; 李贵闪; 张兰军; 龚子奎; 张亭; 王亮
Original assignee: Hefei Metalforming Intelligent Manufacturing Co ltd
Current assignee: Hefei Metalforming Intelligent Manufacturing Co ltd
Priority date: 2021-12-11
Filing date: 2021-12-11
Publication date: 2022-03-08
Anticipated expiration: 2041-12-11
Also published as: CN114151411B

Abstract

The invention discloses a square mode locking oil cylinder device with a cooling function, and belongs to the technical field of hydraulic machines. The utility model provides a square mode locking hydro-cylinder device of area cooling function, includes cylinder body, guide pin bushing and piston, the cylinder body is square outward appearance structure, and cylindrical groove has been seted up to its middle part through, and the thread groove has been seted up in the four corners, the four corners of guide pin bushing is inserted and is equipped with big screw, just big screw and cylinder body four corners thread groove screw-thread fit, the inside cylindrical inslot interpolation of cylinder body is equipped with the piston, the piston includes piston rod and piston head, the cavity slot hole has been seted up to the inside of piston rod, the bottom threaded connection of piston rod has the base, the top of base is connected with transmission, the front and back end of cylinder body is connected with water flow control device respectively. The invention solves the problems of oil leakage and difficult upward pressure of the oil cylinder caused by the fact that a sealing ring is easy to damage when a piston rod of a common oil cylinder device is in contact with a hot workpiece due to poor cooling function.

Description

Square mode locking oil cylinder device with cooling function

Technical Field

The invention relates to the technical field of hydraulic presses, in particular to a square mode locking oil cylinder device with a cooling function.

Background

The conventional hub hydraulic machine does not have a mode locking oil cylinder device generally, can not lock a die effectively and cannot meet the requirements of the hub product development process, and the common oil cylinder device does not have a piston rod cooling function and easily causes the phenomena of oil leakage and difficult upward pressure of an oil cylinder due to the fact that a sealing ring is damaged when the common oil cylinder device contacts a hot workpiece.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a square mode locking oil cylinder device with a cooling function, which aims to solve the problems in the background technology:

the cooling function of a piston rod of a common oil cylinder device is poor, and the phenomena of oil leakage and difficult pressure rise of the oil cylinder are easily caused by the damage of a sealing ring when the piston rod contacts a hot workpiece.

2. Technical scheme

The utility model provides a square mode locking hydro-cylinder device of area cooling function, includes cylinder body, guide pin bushing and piston, the cylinder body is square outward appearance structure, and cylindrical groove has been seted up to its middle part through, and the thread groove has been seted up in the four corners, the four corners of guide pin bushing is inserted and is equipped with big screw, just big screw and cylinder body four corners thread groove screw-thread fit, the inside cylindrical inslot interpolation of cylinder body is equipped with the piston, the piston includes piston rod and piston head, the cavity slot hole has been seted up to the inside of piston rod, the bottom threaded connection of piston rod has the base, the top of base is connected with transmission, the front and back end of cylinder body is connected with water flow control device respectively.

Preferably, the top of the cylindrical groove of the cylinder body is connected with a gland, the outer side of the gland is provided with a high-pressure-resistant O-shaped ring, the two lateral bottoms of the cylinder body are respectively provided with a water inlet and a water outlet, the upper right side of the cylinder body is provided with a high-pressure oil inlet and outlet, and the high-pressure oil inlet and outlet are positioned below the gland.

Preferably, the inner wall of the guide sleeve is provided with a high-temperature-resistant dustproof ring, and the high-temperature-resistant dustproof ring is in friction contact with the piston rod.

Preferably, slot and inslot are seted up in the outside of piston head and are installed the sealing washer, the base includes the mode locking backing plate, inside is inserted and is equipped with the little screw, the bottom and the two screw-thread fit of piston rod are run through at the top of little screw, be connected with high temperature resistant O type circle between piston rod and the mode locking backing plate, cooling water inlet and cooling water outlet have been seted up respectively to the both sides of mode locking backing plate, the top of cooling water outlet and the top of cooling water inlet are connected with condenser tube, just condenser tube is located the inside of cavity slot hole.

Preferably, the base further comprises supporting plates arranged on two sides of the mold locking base plate, and the top of each supporting plate is fixedly connected with a screw.

Preferably, the transmission device comprises an inner ring, the inner ring is sleeved on the outer side of the screw in a threaded manner, a plurality of movable plates are movably connected to the outer side of the inner ring, one side of each movable plate, which is close to the inner ring, is fixedly connected with a spring, the other end of each spring is fixedly connected with the outer side of the inner ring, the inner ring is movably installed at the top of a fixed plate, the fixed plate is connected with the outer side of the guide sleeve, an outer ring is movably installed at the top of the fixed plate, the outer ring is located on the outer side of the inner ring, inner ratchets are arranged on the inner side of the outer ring, and outer teeth are arranged on the outer side of the outer ring.

Preferably, the inner ratchet teeth arranged on the inner sides of the two outer rings are opposite in direction.

Preferably, rivers controlling means is including the pipe of bending, the outside at water inlet and delivery port is managed fixed mounting to bend, the top trompil and the downthehole cooperation of the pipe of bending have waterproof bearing, waterproof bearing's inboard is inserted and is equipped with the pivot, the top fixedly connected with drive gear of pivot, the external tooth meshing transmission that drive gear and outer lane outside set up, the bottom fixedly connected with turbine of pivot, the bottom of the pipe of bending is connected with the hose, two the other end of hose communicates with cooling water import and cooling water export respectively.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the invention is provided with a hollow long hole inside the piston rod, and two sides of the mold locking backing plate are respectively provided with a cooling water inlet and a cooling water outlet, the hollow long hole is filled with heat conducting oil, the cooling water inlet is communicated with the cooling water outlet through a cooling water pipe, the cooling water pipe extends into the deepest part of the hollow long hole and is fully contacted with the heat conducting oil inside the hollow long hole, thus, when the piston contacts a thermal workpiece or the piston works for a long time to generate heat, cooling water in the cooling water pipe takes away the heat to cool the piston, the cooling oil is fully contacted with the piston, and the cooling effect is improved.

2. The cylinder body is internally provided with a lever cavity and a rodless cavity, the rodless cavity is positioned between the gland and the piston head, the lever cavity is positioned between the piston head and the guide sleeve, the rodless cavity is filled with high-pressure oil, the high-pressure oil flows in or is discharged from the high-pressure oil inlet and outlet, and the two sides of the lever cavity are provided with a water inlet and a water outlet.

3. The transmission device can transmit kinetic energy to the turbine in the water flow control device in the reciprocating motion process of the piston, so that the turbine is utilized to drive water flow, the outer ring can only rotate towards one direction due to the special structural design of the transmission device, and only one of the two outer rings rotates and the rotating directions are opposite because the directions of the inner ratchets arranged on the inner sides of the two outer rings are opposite. When the piston moves upwards, the outer ring near the water inlet starts to move to drive the turbine at the water inlet to rotate, so that cooling water is filled into the rod cavity, the turbine at the water outlet does not rotate at the moment, and the cooling water cannot be discharged; when the piston moves downwards, the turbine near the water outlet rotates, the turbine near the water inlet does not rotate, cooling water is discharged from the water outlet, therefore, the turbine can drive water flow to flow in the reciprocating motion process of the piston, but the piston head does not suck or extrude the cooling water, the flow direction of the water flow can be effectively controlled, the cooling water backflow is prevented, meanwhile, the suction force can be provided for the piston in the water flow process, the piston is driven to move by the water flow instead of driving the water flow to flow by the piston, all parts of the piston are all stressed, but not only the bottom of the piston rod is stressed, the force required by the reciprocating motion of the piston is dispersed everywhere, and the service life of the piston is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an expanded view of the internal structure of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a cross-sectional view of the removal actuator and flow control device of the present invention;

FIG. 5 is a schematic view of the transmission and water flow control device of the present invention;

fig. 6 is a top view of the transmission of the present invention.

The reference numbers in the figures illustrate: 1. a cylinder body; 101. a gland; 102. a high pressure resistant O-shaped ring; 103. a water inlet; 104. a water outlet; 105. a high-pressure oil inlet and outlet; 2. a guide sleeve; 201. a large screw; 202. a high temperature resistant dust ring; 3. a piston; 301. a piston rod; 302. a piston head; 303. a seal ring; 304. a hollow long hole; 305. a cooling water pipe; 306. a high temperature resistant O-shaped ring; 4. a base; 401. a mold locking backing plate; 402. a cooling water inlet; 403. a cooling water outlet; 404. a support plate; 405. a screw; 406. a small screw; 407. a hose; 5. a transmission device; 501. an inner ring; 502. a movable plate; 503. a spring; 504. an outer ring; 505. an inner ratchet; 506. an outer tooth; 6. a water flow control device; 601. bending the pipe; 602. a waterproof bearing; 603. a rotating shaft; 604. a transmission gear; 605. a turbine.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, a square mold locking oil cylinder device with a cooling function comprises a cylinder body 1, a guide sleeve 2 and a piston 3, wherein the cylinder body 1 is of a square appearance structure, a cylindrical groove is formed in the middle of the cylinder body 1 in a penetrating mode, thread grooves are formed in four corners of the cylinder body, large screws 201 are inserted in the four corners of the guide sleeve 2 and are in thread fit with the thread grooves in the four corners of the cylinder body 1, the piston 3 is inserted in the cylindrical groove in the cylinder body 1 and comprises a piston rod 301 and a piston head 302, a hollow long hole 304 is formed in the piston rod 301, the bottom of the piston rod 301 is in thread connection with a base 4, the top of the base 4 is connected with a transmission device 5, and the front end and the rear end of the cylinder body 1 are respectively connected with a water flow control device 6.

The top of the cylindrical groove of the cylinder body 1 is connected with a gland 101, the outer side of the gland 101 is provided with a high pressure resistant O-ring 102, the two lateral bottoms of the cylinder body 1 are respectively provided with a water inlet 103 and a water outlet 104, the right upper side of the cylinder body 1 is provided with a high pressure oil inlet and outlet 105, and the high pressure oil inlet and outlet 105 is positioned below the gland 101.

The inner wall of the guide sleeve 2 is provided with a high temperature resistant dust ring 202, and the high temperature resistant dust ring 202 is in frictional contact with the piston rod 301.

The slot has been seted up to the outside of piston head 302 and the inslot is installed sealing washer 303, base 4 includes mode locking backing plate 401, inside is inserted and is equipped with little screw 406, the top of little screw 406 runs through the bottom of piston rod 301 and two screw-thread fit, be connected with high temperature resistant O type circle 306 between piston rod 301 and the mode locking backing plate 401, cooling water inlet 402 and cooling water outlet 403 have been seted up respectively to the both sides of mode locking backing plate 401, the top of cooling water outlet 403 and the top of cooling water inlet 402 are connected with condenser tube 305, and condenser tube 305 is located the inside of cavity slot hole 304.

The invention is provided with a hollow long hole 304 in the piston rod 301, and is provided with a cooling water inlet 402 and a cooling water outlet 403 on both sides of a mold locking backing plate 401, the hollow long hole 304 is filled with heat conducting oil, the cooling water inlet 402 is communicated with the cooling water outlet 403 through a cooling water pipe 305, the cooling water pipe 305 extends into the deepest part of the hollow long hole 304 and is fully contacted with the heat conducting oil in the hollow long hole 304, thus, when the piston 3 is contacted with a thermal workpiece or the piston 3 works for a long time to generate heat, cooling water in the cooling water pipe 305 takes away heat to cool the piston 3, cooling oil is fully contacted with the piston 3, and the cooling effect is improved.

Example 2:

referring to fig. 3-4, the difference between the embodiment 1 and the above-mentioned drawings is that a gland 101 is connected to the top of the cylindrical groove of the cylinder 1, a high pressure resistant O-ring 102 is disposed on the outer side of the gland 101, a water inlet 103 and a water outlet 104 are disposed at the bottom of the cylinder 1, a high pressure oil inlet and outlet 105 is disposed at the upper right side of the cylinder 1, and the high pressure oil inlet and outlet 105 is located below the gland 101.

A lever cavity and a rodless cavity are arranged in a cylinder body 1, the rodless cavity is located between a gland 101 and a piston head 302, the rod cavity is located between the piston head 302 and a guide sleeve 2, high-pressure oil is filled in the rodless cavity and flows in or is discharged from a high-pressure oil inlet/outlet 105, and a water inlet 103 and a water outlet 104 are arranged on two sides of the rod cavity, so that when the rodless cavity oil inlet/outlet circuit normally works, cooling water is introduced into the rod cavity to cool a piston 3, and along with the reciprocating motion of the piston 3, the cooling water after absorbing heat can be discharged from the water outlet 104, and low-temperature cooling water is sucked from the water inlet 103, and the cooling effect is improved.

Example 3:

referring to fig. 5-6, the difference between the

embodiments

1 and 2 is that the base 4 further includes support plates 404 installed on both sides of the mold clamping pad 401, and a screw 405 is fixedly connected to the top of the support plate 404.

The transmission device 5 comprises an inner ring 501, the inner ring 501 is sleeved on the outer side of the screw 405 in a threaded manner, a plurality of movable plates 502 are movably connected to the outer side of the inner ring 501, a spring 503 is fixedly connected to one side of each movable plate 502 close to the inner ring 501, the other end of the spring 503 is fixedly connected to the outer side of the inner ring 501, the inner ring 501 is movably mounted at the top of a fixed plate, the fixed plate is connected to the outer side of the guide sleeve 2, an outer ring 504 is movably mounted at the top of the fixed plate, the outer ring 504 is located on the outer side of the inner ring 501, an inner ratchet 505 is arranged on the inner side of the outer ring 504, and an outer tooth 506 is arranged on the outer side of the outer ring 504.

The inner ratchet teeth 505 arranged inside the two outer rings 504 are opposite in direction.

The water flow control device 6 comprises a bending pipe 601, the bending pipe 601 is fixedly installed on the outer sides of the water inlet 103 and the water outlet 104, a waterproof bearing 602 is arranged at the top of the bending pipe 601 in a hole forming mode, a rotating shaft 603 is inserted into the inner side of the waterproof bearing 602, a transmission gear 604 is fixedly connected to the top of the rotating shaft 603, the transmission gear 604 is meshed with an outer tooth 506 arranged on the outer side of the outer ring 504 in a transmission mode, a turbine 605 is fixedly connected to the bottom of the rotating shaft 603, a hose 407 is connected to the bottom of the bending pipe 601, and the other ends of the two hoses 407 are communicated with a cooling water inlet 402 and a cooling water outlet 403 respectively.

The transmission device 5 of the present invention can transmit kinetic energy to the turbine 605 inside the water flow control device 6 during the reciprocating motion of the piston 3, so as to utilize the turbine 605 to drive water flow, because of the special structural design of the transmission device 5, the transmission device 5 includes an inner ring 501, the inner ring 501 is threaded on the outer side of the screw 405, the outer side of the inner ring 501 is movably connected with a plurality of movable plates 502, one side of the movable plate 502 close to the inner ring 501 is fixedly connected with a spring 503, the other end of the spring 503 is fixedly connected with the outer side of the inner ring 501, the inner ring 501 is movably installed on the top of a fixed plate, the fixed plate is connected with the outer side of the guide sleeve 2, the top of the fixed plate is movably installed with an outer ring 504, the outer ring 504 is located on the outer side of the inner ring 501, the inner side of the outer ring 504 is provided with inner ratchets 505, the outer side of the outer ring 504 is provided with outer teeth 506, the outer ring 504 only rotates in one direction, and because the inner ratchets 505 arranged on the inner sides of the two outer rings 504 are opposite, so that only one of the two outer rings 504 rotates at the same time and in opposite directions. When the piston 3 moves upwards, the outer ring 504 near the water inlet 103 starts to move to drive the turbine 605 at the water inlet 103 to rotate, so that cooling water is filled into the rod cavity, at the moment, the turbine 605 at the water outlet 104 does not rotate, and the cooling water cannot be discharged; when the piston 3 moves downwards, the turbine 605 near the water outlet 104 rotates, the turbine 605 near the water inlet 103 does not rotate, and cooling water is discharged from the water outlet 104, so that water flow can be driven by the turbine 605 to flow in the reciprocating motion process of the piston 3 instead of sucking or extruding the cooling water by the piston head 302, the flow direction of the water flow can be effectively controlled, the cooling water is prevented from flowing back, meanwhile, suction force can be provided for the piston 3 in the water flow process, the water flow drives the piston 3 to move instead of driving the water flow to flow by the piston 3, all parts of the piston 3 are stressed, not only the bottom of the piston rod 301 is stressed, the force required by the reciprocating motion of the piston 3 is dispersed everywhere, and the service life of the piston 3 is prolonged.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a square mode locking hydro-cylinder device of area cooling function, includes cylinder body (1), guide pin bushing (2) and piston (3), cylinder body (1) is square appearance structure, and cylindrical groove has been seted up in its middle part through, and the thread groove has been seted up in the four corners, the four corners of guide pin bushing (2) is inserted and is equipped with big screw (201), just big screw (201) and cylinder body (1) four corners thread groove screw-thread fit, the inside cylindrical groove interpolation of cylinder body (1) is equipped with piston (3), piston (3) include piston rod (301) and piston head (302), its characterized in that: the hollow long hole (304) is formed in the piston rod (301), the bottom of the piston rod (301) is in threaded connection with the base (4), the top of the base (4) is connected with the transmission device (5), and the front end and the rear end of the cylinder body (1) are respectively connected with the water flow control device (6).

2. The square mold locking oil cylinder device with the cooling function according to claim 1, characterized in that: the cylinder body (1) is characterized in that a gland (101) is connected to the top of the cylindrical groove, a high-pressure-resistant O-shaped ring (102) is arranged on the outer side of the gland (101), a water inlet (103) and a water outlet (104) are respectively arranged at the bottoms of the two sides of the cylinder body (1), a high-pressure oil inlet and outlet (105) is arranged on the upper right side of the cylinder body (1), and the high-pressure oil inlet and outlet (105) is located below the gland (101).

3. The square mold locking oil cylinder device with the cooling function according to claim 1, characterized in that: the inner wall of the guide sleeve (2) is provided with a high-temperature-resistant dustproof ring (202), and the high-temperature-resistant dustproof ring (202) is in friction contact with the piston rod (301).

4. The square mold locking oil cylinder device with the cooling function according to claim 1, characterized in that: the utility model discloses a mould locking device, including piston head (302), base (4), lock mould backing plate (401), inside is inserted and is equipped with little screw (406), the bottom and the two screw-thread fit of piston rod (301) are run through at the top of little screw (406), be connected with high temperature resistant O type circle (306) between piston rod (301) and lock mould backing plate (401), cooling water inlet (402) and cooling water outlet (403) have been seted up respectively to the both sides of lock mould backing plate (401), the top of cooling water outlet (403) and the top of cooling water inlet (402) are connected with cooling water pipe (305), just cooling water pipe (305) are located the inside of cavity slot hole (304).

5. The square mold locking oil cylinder device with the cooling function according to claim 4, wherein: the base (4) is including still installing backup pad (404) in mode locking backing plate (401) both sides, the top fixedly connected with screw rod (405) of backup pad (404).

6. The square mold locking oil cylinder device with the cooling function according to claim 5, wherein: transmission (5) include inner circle (501), the outside at screw rod (405) is established to inner circle (501) thread bush, the outside swing joint of inner circle (501) has several fly leaf (502), one side fixedly connected with spring (503) that fly leaf (502) are close to inner circle (501), the other end and the outside fixed connection of inner circle (501) of spring (503), inner circle (501) movable mounting is at the top of fixed plate, the fixed plate is connected with the outside of guide pin bushing (2), the top movable mounting of fixed plate has outer lane (504), outer lane (504) are located the outside of inner circle (501), the inboard of outer lane (504) is provided with interior ratchet (505), the outside of outer lane (504) is provided with external tooth (506).

7. The square mold locking oil cylinder device with the cooling function according to claim 6, wherein: the inner ratchets (505) arranged on the inner sides of the two outer rings (504) are opposite in direction.

8. The square mold locking oil cylinder device with the cooling function according to claim 6, wherein: the water flow control device (6) comprises a bending pipe (601), the bending pipe (601) is fixedly installed on the outer side of a water inlet (103) and a water outlet (104), a waterproof bearing (602) is matched with a hole in the top of the bending pipe (601), a rotating shaft (603) is inserted into the inner side of the waterproof bearing (602), a transmission gear (604) is fixedly connected to the top of the rotating shaft (603), the transmission gear (604) is in meshing transmission with an outer tooth (506) arranged on the outer side of an outer ring (504), a turbine (605) is fixedly connected to the bottom of the rotating shaft (603), a hose (407) is connected to the bottom of the bending pipe (601), and the other end of the hose (407) is communicated with a cooling water inlet (402) and a cooling water outlet (403) respectively.