Rolling device for inner hole of hydraulic valve element

Abstract

The utility model provides a rolling device of hydraulic spool bore, including four electric push rod, mounting plate, electric rotating shaft, mounting plate is fixed between the output end of four electric push rod, electric rotating shaft passes through between the mounting plate's both sides, the output end of electric rotating shaft is fixed connection with mounting seat, and the mounting seat is fixed on the mounting plate. The top and the bottom of the front surface of the mounting seat are fixedly provided with limiting plates, and an electric telescopic assembly is slidably connected between the opposite sides of the two limiting plates. Compared with the prior art, the device has the following beneficial effects that a lead screw can be driven to rotate forwards and backwards for adjustment through forward and backward rotation of a motor; according to the hydraulic valve element inner hole rolling device, the transmission sleeve can be driven to move front and back, then the movable frame can be driven to move front and back, the rotating radius of the rolling cutter can be reversely adjusted, then the rotating radius of the rolling cutter can be flexibly adjusted according to the hole diameter of the hydraulic valve element inner hole, and the machining adaptation range of the hydraulic valve element inner hole rolling device is effectively expanded.

Description

Technical Field

[0001] The utility model relates to a rolling device for the inner hole of a hydraulic valve core, belonging to the field of hydraulic valve core inner hole rolling equipment. Background Art

[0002] Rolling the inner hole of hydraulic valve core is an efficient precision machining technology, which is mainly used to improve the surface quality and geometric accuracy of the inner hole of hydraulic valve core. This machining method uses rolling tools to perform plastic deformation on the inner hole surface, thereby achieving the purpose of strengthening and improving surface properties.

[0003] In the prior art, the rolling cutter inside the rolling device rotates in a circle inside the inner hole of the hydraulic valve core, and the burrs on the inner hole wall of the hydraulic valve core are removed by the blade of the rolling cutter, so that the inner hole wall of the hydraulic valve core can be quickly plasticized. However, the rolling cutter is fixedly installed on the surface of the roller, so that the rolling radius of the rolling cutter is fixed. When it is necessary to roll the hydraulic valve core according to different inner hole diameters, the rolling cutter needs to be removed and replaced, which is cumbersome to operate, and the processing adaptability range of the rolling cutter inside the rolling device is small.

[0004] In summary, the present invention provides a rolling device for the inner hole of a hydraulic valve core to solve the above problems. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a rolling device for the inner hole of a hydraulic valve core to solve the problem of the small adaptability range of the rolling radius of the rolling knife proposed in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a rolling device for the inner hole of a hydraulic valve core, comprising four electric push rods, a mounting plate, and an electric rotating shaft, the mounting plate being fixedly installed between the output ends of the four electric push rods, the electric rotating shaft passing through the two sides of the mounting plate, the output end of the electric rotating shaft being fixedly connected to a mounting seat, the top and bottom of the front of the mounting seat are fixedly installed with limit plates, an electric telescopic assembly is slidably connected between the opposite sides of the two limit plates, the front of the electric telescopic assembly is fixedly connected to a knife seat, a rolling knife is embedded in the front of the knife seat, a connecting frame is fixedly installed on the bottom of the mounting seat, a bending pipe is passed through between one side and the bottom of the connecting frame, and the bottom end of the bending pipe is connected to a nozzle.

[0007] Furthermore, the bent tube is bent at a right angle, and the front and back sides of the connecting frame are both open.

[0008] Furthermore, a fastening screw passes through the top and bottom of the knife seat, and a matching fastening nut is sleeved on the fastening screw, and the knife seat is fixedly connected to the rolling knife through the fastening bolt.

[0009] Furthermore, the electric telescopic assembly includes a motor and a movable frame, the interior of the mounting seat is hollow, the motor is fixedly installed inside the mounting seat, the movable frame is slidably connected between the opposite sides of two limit plates, one side of the inner wall of the movable frame is fixedly connected to a transmission sleeve, and the output end of the motor is fixedly connected to a screw.

[0010] Furthermore, one end of the lead screw passes through the mounting seat and one end of the transmission sleeve and extends to the interior of the transmission sleeve, and the lead screw is threadedly connected to the transmission sleeve.

[0011] Furthermore, the back and both sides of the movable frame are open, and the lead screw is rotatably connected to the mounting seat through a bearing.

[0012] Beneficial effects of the utility model:

[0013] The forward and reverse rotation of the motor can drive the forward and reverse rotation adjustment of the lead screw, thereby driving the transmission sleeve to move forward and backward, and then driving the movable frame to move forward and backward, so that the rotation radius of the rolling cutter can be adjusted in the opposite direction, and then the rotation radius of the rolling cutter can be flexibly adjusted according to the inner hole diameter of the hydraulic valve core, effectively expanding the processing adaptation range of the hydraulic valve core inner hole rolling device.

[0014] The inner hole of the hydraulic valve core is rolled by rotating the rolling cutter, and at the same time, the water pipe connected to the bent pipe is opened, and water is sprayed out from the nozzle. The water mist can evenly flush the wall of the inner hole of the hydraulic valve core, thereby flushing and cleaning the waste chips generated by rolling the inner hole of the hydraulic valve core, shortening the rolling process of the inner hole of the hydraulic valve core and effectively improving the efficiency of the rolling process of the inner hole of the hydraulic valve core. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0016] Figure 1 This is a three-dimensional diagram of a rolling device for the inner hole of a hydraulic valve core according to the present invention;

[0017] Figure 2 This is a front view of a rolling device for the inner hole of a hydraulic valve core according to the present invention;

[0018] Figure 3 This is a side view of a rolling device for the inner hole of a hydraulic valve core according to the present invention;

[0019] Figure 4 for Figure 1 The main cross-section of the electric telescopic assembly is shown.

[0020] In the figure: 1. Electric push rod; 2. Mounting plate; 3. Electric rotating shaft; 4. Limiting plate; 5. Electric telescopic assembly; 6. Knife holder; 7. Rolling knife; 8. Connecting frame; 9. Bending pipe; 10. Sprinkler; 11. Mounting seat; 51. Motor; 52. Lead screw; 53. Movable frame; 54. Transmission sleeve. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] See also Figure 1-4 The utility model provides a technical solution: a rolling device for the inner hole of a hydraulic valve core, comprising four electric push rods 1, a mounting plate 2, and an electric rotating shaft 3. The mounting plate 2 is fixedly installed between the output ends of the four electric push rods 1, and the electric rotating shaft 3 runs through the two sides of the mounting plate 2. The output end of the electric rotating shaft 3 is fixedly connected with a mounting seat 11. The top and bottom of the front of the mounting seat 11 are fixedly installed with a limit plate 4. An electric telescopic component 5 is slidably connected between the opposite sides of the two limit plates 4. The front of the electric telescopic component 5 is fixedly connected with a knife seat 6. A rolling knife 7 is embedded in the front of the knife seat 6. A connecting frame 8 is fixedly installed at the bottom of the mounting seat 11. A bending pipe 9 runs through one side and the bottom of the connecting frame 8. The bottom end of the bending pipe 9 is connected to a nozzle 10. The four electric push rods 1 are It is connected to an external power supply and is provided with the same power control switch. The four electric push rods 1 are all fixed to the external mounting frame. The electric shaft 3 is a device that converts the rotational motion of the motor into shaft rotation. It is connected to an external power supply and is provided with a power control switch. The mounting seat 11 can be driven to rotate by the electric shaft 3. The bending tube 9 is bent at a right angle. The front and back of the connecting frame 8 are both open. The other end of the bending tube 9 is connected to the external water source. By opening the external water pipe, the water source can be transported to the bending tube 9 and sprayed out through the nozzle 10, so that the waste chips generated by rolling the inner hole of the hydraulic valve core can be flushed and cleaned. A fastening screw is passed through the top and bottom of the tool holder 6, and a corresponding fastening nut is provided on the fastening screw. The tool holder 6 is fixedly connected to the rolling knife 7 by a fastening bolt.

[0023] See also Figure 2-4The electric telescopic assembly 5 includes a motor 51 and a movable frame 53. The interior of the mounting seat 11 is hollow. The motor 51 is fixedly mounted inside the mounting seat 11. The movable frame 53 is slidably connected between the opposite sides of the two limit plates 4. A transmission sleeve 54 is fixedly connected to one side of the inner wall of the movable frame 53. The output end of the motor 51 is fixedly connected to a screw 52. The motor 51 is connected to an external power supply and is provided with a power control switch. The motor 51 is a three-phase asynchronous motor. The output end can be adjusted in forward and reverse rotation. One end of the screw 52 passes through the mounting seat 1 1 and one end of the transmission sleeve 54 and extends to the interior of the transmission sleeve 54, the lead screw 52 is threadedly connected to the transmission sleeve 54, the back and both sides of the movable frame 53 are open, the lead screw 52 is rotatably connected to the mounting seat 11 through a bearing, and the two limit plates 4 have a limiting effect on the movable frame 53 and the transmission sleeve 54. When the lead screw 52 rotates forward and backward, it can drive the transmission sleeve 54 to move forward and backward, thereby driving the movable frame 53 to slide forward and backward between the two limit plates 4, so that the rotation radius of the rolling knife 7 can be adjusted.

[0024] Specific implementation: By starting the four electric push rods 1 to push the mounting plate 2 to move, and move the mounting seat 11 to the inner hole of the hydraulic valve core, start the motor 51, when the output end of the motor 51 rotates clockwise, it can drive the screw 52 to rotate clockwise, and the screw 52 drives the movable frame 53 to move forward, thereby pushing the knife seat 6 to move forward, and the knife seat 6 drives the rolling knife 7 to move forward, so that the blade of the rolling knife 7 fits the inner wall of the inner hole of the hydraulic valve core. When the started electric shaft 3 rotates, it can drive the mounting seat 11 to rotate, and the mounting seat 11 drives The bending tube 9 and the rolling knife 7 rotate in a circle in the inner hole of the hydraulic valve core, and then the inner hole of the hydraulic valve core can be evenly rolled. When the output end of the motor 51 rotates counterclockwise and the screw 52 rotates counterclockwise, the transmission sleeve 54 can be driven to move backward, thereby driving the movable frame 53 to slide backward between the two limit plates 4, so that the rotation radius of the rolling knife 7 can be adjusted in the reverse direction, and then the rotation radius of the rolling knife 7 can be flexibly adjusted according to the inner hole diameter of the hydraulic valve core, effectively expanding the processing adaptation range of the hydraulic valve core inner hole rolling device.

[0025] At the same time, open the water pipe connected to the bending pipe 9 and spray water from the nozzle 10. The water mist can evenly flush the inner hole wall of the hydraulic valve core, thereby flushing and cleaning the waste chips generated by rolling the inner hole of the hydraulic valve core, shortening the rolling processing step of the inner hole of the hydraulic valve core, and effectively improving the rolling processing efficiency of the inner hole of the hydraulic valve core.

[0026] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A rolling device for the inner hole of a hydraulic valve core, comprising four electric push rods (1), a mounting plate (2), and an electric rotating shaft (3), characterized in that: The mounting plate (2) is fixedly mounted between the output ends of the four electric push rods (1), the electric rotating shaft (3) passes through the two sides of the mounting plate (2), the output end of the electric rotating shaft (3) is fixedly connected to a mounting seat (11), the top and bottom of the front of the mounting seat (11) are fixedly mounted with limit plates (4), an electric telescopic assembly (5) is slidably connected between the opposite sides of the two limit plates (4), the front of the electric telescopic assembly (5) is fixedly connected to a knife seat (6), the front of the knife seat (6) is embedded with a rolling knife (7), the bottom of the mounting seat (11) is fixedly mounted with a connecting frame (8), a bending pipe (9) passes through between one side and the bottom of the connecting frame (8), and the bottom end of the bending pipe (9) is connected to a nozzle (10).

2. A rolling device for the inner hole of a hydraulic valve core according to claim 1, characterized in that: The bending tube (9) is bent at a right angle, and the front and back sides of the connecting frame (8) are both open.

3. The rolling device for the inner hole of a hydraulic valve core according to claim 1, characterized in that: A fastening screw is passed through the top and bottom of the knife seat (6), and a matching fastening nut is sleeved on the fastening screw. The knife seat (6) is fixedly connected to the rolling knife (7) through a fastening bolt.

4. The rolling device for the inner hole of a hydraulic valve core according to claim 1, characterized in that: The electric telescopic assembly (5) comprises a motor (51) and a movable frame (53); the interior of the mounting seat (11) is hollow; the motor (51) is fixedly mounted inside the mounting seat (11); the movable frame (53) is slidably connected between opposite sides of two limit plates (4); a transmission sleeve (54) is fixedly connected to one side of the inner wall of the movable frame (53); and a lead screw (52) is fixedly connected to the output end of the motor (51).

5. The rolling device for the inner hole of a hydraulic valve core according to claim 4, characterized in that: One end of the lead screw (52) passes through the mounting seat (11) and one end of the transmission sleeve (54) and extends to the interior of the transmission sleeve (54), and the lead screw (52) is threadedly connected to the transmission sleeve (54).

6. The rolling device for the inner hole of a hydraulic valve core according to claim 5, characterized in that: The back and both sides of the movable frame (53) are open, and the lead screw (52) is rotatably connected to the mounting seat (11) via a bearing.

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