Multi-stage hydraulic oil cylinder with controllable telescopic sequence

Abstract

The utility model relates to a multi-stage hydraulic oil cylinder with a controllable telescopic sequence in the technical field of multi-stage hydraulic oil cylinders. A plate body of a bottom plate is internally provided with a driving assembly used for synchronously driving an adjusting assembly I and an adjusting assembly II to drive a clamping device to move up and down; the cleaning device is provided with a first arc-shaped cleaning brush arranged on the left side fixing plate and used for cleaning a telescopic rod of the multi-stage hydraulic oil cylinder, and a second arc-shaped cleaning brush used for being matched with the first arc-shaped cleaning brush to clean the telescopic rod of the multi-stage hydraulic oil cylinder is arranged above the first arc-shaped cleaning brush. When a motor drives a rotating shaft to rotate, a first threaded rod and a second threaded rod synchronously rotate, a first clamping plate and a second clamping plate can be driven by a first moving plate and a second moving plate to be away from a fixed plate, and then the multi-stage hydraulic oil cylinder can be rapidly taken down and replaced. And when the multi-stage hydraulic oil cylinder works, the telescopic rod can move along the arc-shaped cleaning brush I and the arc-shaped cleaning brush II, so that the telescopic rod of the multi-stage hydraulic oil cylinder can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage hydraulic oil cylinders, in particular to a multi-stage hydraulic oil cylinder with controllable telescopic sequence. Background Art

[0002] When the forging machine is in use, it is necessary to use a multi-stage hydraulic cylinder to control the forging assembly to process the workpiece. The multi-stage hydraulic cylinder is also called a telescopic hydraulic cylinder, which is composed of a two-stage or multi-stage piston cylinder set, and mainly includes end covers, cylinder barrels, output ends and pistons. The multi-stage hydraulic cylinder is equipped with an oil inlet and an oil outlet on the cylinder barrel. The oil inlet is responsible for transporting oil into the cylinder, and the oil outlet is used to recover the hydraulic oil in the cylinder. The reciprocating motion of the piston can drive the output end of the cylinder to perform telescopic motion. For example, a multi-stage hydraulic cylinder described in Chinese patent application number CN201922367618.2 is provided with a support mechanism, and a rubber gasket is installed in the support mechanism, which can buffer the vibration generated by the cylinder body and effectively improve its shock absorption function. At the same time, a top plate is provided to protect the cylinder barrel, and a rubber sleeve is sleeved on the outer wall of the oil inlet and the oil outlet to effectively protect it, greatly improving its protective performance.

[0003] However, since the cylinder barrel is fixed on the supporting mechanism, it is inconvenient to repair or replace the multi-stage hydraulic cylinder. Secondly, there is a lack of the function of cleaning the output end of the multi-stage hydraulic cylinder. When the output end is extended for a long time, dust is easily attached to the surface, which affects the use of the multi-stage hydraulic cylinder. Utility Model Content

[0004] In order to solve the problem raised in the above background technology that the cylinder barrel is fixed on the supporting mechanism, which makes it inconvenient to repair or replace the multi-stage hydraulic cylinder, and secondly, there is a lack of function to clean the output end of the multi-stage hydraulic cylinder. When the output end is extended for a long time, dust is easily attached to the surface, thereby affecting the use of the multi-stage hydraulic cylinder, the utility model provides the following technical solutions:

[0005] A multi-stage hydraulic cylinder with controllable telescopic sequence comprises a multi-stage hydraulic cylinder placed on a fixed plate, a bottom plate for supporting the fixed plate being fixedly mounted on the bottom end of the fixed plate, a clamping device for cooperating with the fixed plate to clamp the multi-stage hydraulic cylinder is arranged above the fixed plate, a driving device for driving the clamping device to approach the fixed plate to clamp and fix the multi-stage hydraulic cylinder is arranged in the plate body of the fixed plate, and a cleaning device for cleaning the multi-stage hydraulic cylinder is arranged on the upper and lower sides of the multi-stage hydraulic cylinder.

[0006] The driving device includes an adjusting component 1 and an adjusting component 2 for driving the clamping device to move up and down, and a driving component for synchronously driving the adjusting component 1 and the adjusting component 2 to drive the clamping device to move up and down is arranged in the plate body of the base plate.

[0007] The cleaning device is provided on the left fixed plate and is used for cleaning the telescopic rod of the multi-stage hydraulic cylinder with an arc-shaped cleaning brush 1, and an arc-shaped cleaning brush 2 is provided above the arc-shaped cleaning brush 1 and is used for cleaning the telescopic rod of the multi-stage hydraulic cylinder in cooperation with the arc-shaped cleaning brush 1.

[0008] Furthermore, the clamping device includes a clamping plate 1 arranged at the top of the adjusting component 1 for cooperating with the fixed plate to clamp the multi-stage hydraulic cylinder, and the top of the adjusting component 2 is provided with a clamping plate 2 for cooperating with the fixed plate to clamp the multi-stage hydraulic cylinder.

[0009] Furthermore, the driving assembly includes a rotating shaft arranged in the base plate for rotation, a motor for driving the rotating shaft to rotate is fixedly installed on the right end of the rotating shaft, a bevel gear 1 is arranged on the shaft body of the rotating shaft for driving the adjusting assembly 1 to drive the clamping plate 1 to move up and down, and a bevel gear 2 is arranged on the shaft body of the rotating shaft for driving the adjusting assembly 2 to drive the clamping plate 2 to move up and down.

[0010] Furthermore, the adjustment component 1 includes a bevel gear 3 meshing with a bevel gear 1, a threaded rod 1 for rotation is provided at the top of the bevel gear 3, a movable plate 1 for moving up and down is threadedly connected to the rod body of the threaded rod 1, a connecting rod 1 for driving a clamping plate 1 to move up and down is fixedly installed at the top of the movable plate 1, and there are four connecting rods 1, and the four connecting rods 1 pass through the top of the right fixed plate.

[0011] Furthermore, the adjustment component 2 includes a bevel gear 4 meshing with the bevel gear 2, the top of the bevel gear 4 is provided with a threaded rod 2 for rotation, the rod body of the threaded rod 2 is threadedly connected with a movable plate 2 for moving up and down, the top of the movable plate 2 is fixedly installed with a connecting rod 2 for driving the clamping plate 2 to move up and down, and there are four connecting rods 2, and the four connecting rods 2 pass through the top of the left fixed plate.

[0012] Furthermore, a supporting leg for supporting the bottom plate is fixedly mounted at the bottom end of the bottom plate, and there are four supporting legs, which are distributed at the four corners of the bottom end of the bottom plate in a rectangular array.

[0013] Furthermore, an oil inlet pipe for conveying hydraulic oil into the multi-stage hydraulic cylinder is provided at the front end of the multi-stage hydraulic cylinder, and an oil outlet pipe for discharging the hydraulic oil in the multi-stage hydraulic cylinder is provided at the rear end of the multi-stage hydraulic cylinder.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging a driving device, a clamping device and a cleaning device, when the multi-stage hydraulic cylinder needs to be replaced or repaired, the motor can be used to drive the rotating shaft to rotate, and under the meshing connection between the bevel gear 1 and the bevel gear 3 and the meshing connection between the bevel gear 2 and the bevel gear 4, the threaded rod 1 and the threaded rod 2 can be rotated synchronously, so that the moving plate 1 and the moving plate 2 can drive the clamping plate 1 and the clamping plate 2 to move away from the fixed plate, so that the clamping of the multi-stage hydraulic cylinder can be released, and the multi-stage hydraulic cylinder can be quickly removed and replaced; and when the multi-stage hydraulic cylinder is working, the telescopic rod will move along the arc-shaped cleaning brush 1 and the arc-shaped cleaning brush 2, so the telescopic rod of the multi-stage hydraulic cylinder can be cleaned to prevent the telescopic rod of the multi-stage hydraulic cylinder from being exposed to the outside for a period of time. Dust will enter the inside of the multi-stage hydraulic cylinder along with the telescopic rod of the multi-stage hydraulic cylinder and affect the use of the multi-stage hydraulic cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the bottom plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the drive device of the utility model;

[0019] Figure 4 This is a diagram showing the coordination of the driving device and the clamping device of the utility model.

[0020] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0021] 100-base plate;

[0022] 200-fixed plate;

[0023] 300-driving device, 310-driving assembly, 311-motor, 312-rotating shaft, 313-bevel gear 1, 314-bevel gear 2, 320-adjusting assembly 1, 321-bevel gear 3, 322-threaded rod 1, 323-moving plate 1, 324-connecting rod 1, 330-adjusting assembly 2, 331-bevel gear 4, 332-threaded rod 2, 333-moving plate 2, 334-connecting rod 2;

[0024] 400-clamping device, 410-clamping plate 1, 420-clamping plate 2;

[0025] 500-Multi-stage hydraulic cylinder;

[0026] 600-cleaning device, 610-arc-shaped cleaning brush 1, 620-arc-shaped cleaning brush 2;

[0027] 001-support leg, 002-oil inlet pipe, 003-oil outlet pipe. DETAILED DESCRIPTION

[0028] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0029] See also Figure 1-Figure 4 The utility model provides a multi-stage hydraulic cylinder with controllable telescopic sequence.

[0030] It includes a multi-stage hydraulic cylinder 500 placed on a fixed plate 200, a base plate 100 for supporting the fixed plate 200 is fixedly installed at the bottom end of the fixed plate 200, a clamping device 400 for cooperating with the fixed plate 200 to clamp the multi-stage hydraulic cylinder 500 is arranged above the fixed plate 200, a driving device 300 for driving the clamping device 400 to approach the fixed plate 200 to clamp and fix the multi-stage hydraulic cylinder 500 is arranged in the plate body of the fixed plate 200, and a cleaning device 600 for cleaning the multi-stage hydraulic cylinder 500 is arranged on the upper and lower sides of the multi-stage hydraulic cylinder 500.

[0031] A supporting leg 001 for supporting the bottom plate 100 is fixedly installed at the bottom end of the bottom plate 100, and there are four supporting legs 001, which are distributed in a rectangular array at the four corners of the bottom end of the bottom plate 100; the front end of the multi-stage hydraulic cylinder 500 is provided with an oil inlet pipe 002 for conveying hydraulic oil into the multi-stage hydraulic cylinder 500, and the rear end of the multi-stage hydraulic cylinder 500 is provided with an oil outlet pipe 003 for discharging the hydraulic oil in the multi-stage hydraulic cylinder 500, so that the hydraulic oil can enter the multi-stage hydraulic cylinder 500 through the oil inlet pipe 002 and then flow out through the oil outlet pipe 003, so that the multi-stage hydraulic cylinder 500 can be sequentially extended and retracted and can be controlled.

[0032] The clamping device 400 includes a clamping plate 410 arranged at the top of the adjusting component 1 320 for cooperating with the fixed plate 200 to clamp the multi-stage hydraulic cylinder 500, and a clamping plate 420 is arranged at the top of the adjusting component 2 330 for cooperating with the fixed plate 200 to clamp the multi-stage hydraulic cylinder 500.

[0033] The driving device 300 includes an adjusting component 1 320 and an adjusting component 2 330 for driving the clamping device 400 to move up and down. The base plate 100 is provided with a driving component 310 for synchronously driving the adjusting component 1 320 and the adjusting component 2 330 to drive the clamping device 400 to move up and down.

[0034] The driving component 310 includes a rotating shaft 312 arranged in the base plate 100 for rotation, and the left and right ends of the rotating shaft 312 are connected to the plate body of the base plate 100 through bearings to facilitate the rotation of the rotating shaft 312; a motor 311 for driving the rotating shaft 312 to rotate is fixedly installed on the right end of the rotating shaft 312, and a bevel gear 1 313 is arranged on the shaft body of the rotating shaft 312 for driving the adjusting component 1 320 to drive the clamping plate 1 410 to move up and down, and a bevel gear 2 314 is arranged on the shaft body of the rotating shaft 312 for driving the adjusting component 2 330 to drive the clamping plate 2 420 to move up and down, and the bevel gear 2 314 is located on the left side of the bevel gear 1 313.

[0035] The adjusting assembly 320 includes a bevel gear 321 meshing with the bevel gear 313, a threaded rod 322 for rotation is arranged at the top of the bevel gear 321, and the top of the threaded rod 322 is connected to the plate body of the left fixed plate 200 through a bearing to facilitate the rotation of the threaded rod 322; a moving plate 323 for moving up and down is threadedly connected to the rod body of the threaded rod 322, and a connecting rod 324 for driving the clamping plate 410 to move up and down is fixedly installed at the top of the moving plate 323, and there are four connecting rods 324, and the four connecting rods 324 It penetrates the top of the right fixed plate 200, so that when the multi-stage hydraulic cylinder 500 needs to be replaced or repaired, the motor 311 can be used to drive the rotating shaft 312 to rotate, and under the meshing connection between the bevel gear 1 313 and the bevel gear 3 321, the threaded rod 1 322 can be rotated, so that the movable plate 1 323 can be controlled to move up and down along the rod body of the threaded rod 1 322, and the four connecting rods 1 324 can be used to drive the clamping plate 1 410 away from the fixed plate 200, so that the clamping of the multi-stage hydraulic cylinder 500 can be released, and the multi-stage hydraulic cylinder 500 can be quickly removed and replaced.

[0036] The adjusting assembly 230 includes a bevel gear 431 meshing with the bevel gear 2314, a threaded rod 232 for rotation is arranged at the top of the bevel gear 231, a movable plate 233 for moving up and down is threadedly connected to the rod body of the threaded rod 232, a connecting rod 234 for driving the clamping plate 230 to move up and down is fixedly installed at the top of the movable plate 233, and there are four connecting rods 234, and the four connecting rods 234 pass through the top of the left fixed plate 200; so that when multiple levels need to be adjusted, When the hydraulic cylinder 500 is replaced or repaired, the motor 311 can be used to drive the rotating shaft 312 to rotate, and under the meshing connection between the bevel gear 2 314 and the bevel gear 4 331, the threaded rod 2 332 can be rotated, so that the movable plate 2 333 can be controlled to move up and down along the rod body of the threaded rod 2 332, and the four connecting rods 2 334 can be used to drive the clamping plate 2 420 away from the fixed plate 200, so that the clamping of the multi-stage hydraulic cylinder 500 can be released, and the multi-stage hydraulic cylinder 500 can be quickly removed and replaced.

[0037] The cleaning device 600 is arranged on the left fixed plate 200 and is used for cleaning the telescopic rod of the multi-stage hydraulic cylinder 500. An arc-shaped cleaning brush 610 is arranged above the arc-shaped cleaning brush 610 and is used to cooperate with the arc-shaped cleaning brush 610 to clean the telescopic rod of the multi-stage hydraulic cylinder 500. Therefore, when the multi-stage hydraulic cylinder 500 is working, the telescopic rod will move along the arc-shaped cleaning brush 610 and the arc-shaped cleaning brush 620, so that the telescopic rod of the multi-stage hydraulic cylinder 500 can be cleaned to prevent the telescopic rod of the multi-stage hydraulic cylinder 500 from being exposed to the outside for a period of time, and dust will enter the inside of the multi-stage hydraulic cylinder 500 along with the telescopic rod of the multi-stage hydraulic cylinder 500, thereby affecting the use of the multi-stage hydraulic cylinder 500.

[0038] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A multi-stage hydraulic cylinder with controllable telescopic sequence, characterized in that: The invention comprises a multi-stage hydraulic oil cylinder (500) placed on a fixed plate (200), a bottom plate (100) for supporting the fixed plate (200) being fixedly mounted at the bottom end of the fixed plate (200), a clamping device (400) for cooperating with the fixed plate (200) to clamp the multi-stage hydraulic oil cylinder (500) being arranged above the fixed plate (200), a driving device (300) for driving the clamping device (400) to approach the fixed plate (200) to clamp and fix the multi-stage hydraulic oil cylinder (500) being arranged in the plate body of the fixed plate (200), and a cleaning device (600) for cleaning the multi-stage hydraulic oil cylinder (500) being arranged on the upper and lower sides of the multi-stage hydraulic oil cylinder (500); The driving device (300) comprises an adjusting component 1 (320) and an adjusting component 2 (330) for driving the clamping device (400) to move up and down, and a driving component (310) for synchronously driving the adjusting component 1 (320) and the adjusting component 2 (330) to drive the clamping device (400) to move up and down is arranged in the plate body of the bottom plate (100); The cleaning device (600) is provided on the left fixed plate (200) with an arc-shaped cleaning brush 1 (610) for cleaning the telescopic rod of the multi-stage hydraulic cylinder (500); and an arc-shaped cleaning brush 2 (620) is provided above the arc-shaped cleaning brush 1 (610) for cooperating with the arc-shaped cleaning brush 1 (610) to clean the telescopic rod of the multi-stage hydraulic cylinder (500).

2. A multi-stage hydraulic cylinder with controllable telescopic sequence according to claim 1, characterized in that: The clamping device (400) comprises a clamping plate 1 (410) arranged at the top end of the adjusting component 1 (320) for cooperating with the fixing plate (200) to clamp the multi-stage hydraulic cylinder (500), and a clamping plate 2 (420) is arranged at the top end of the adjusting component 2 (330) for cooperating with the fixing plate (200) to clamp the multi-stage hydraulic cylinder (500).

3. A multi-stage hydraulic cylinder with controllable telescopic sequence according to claim 2, characterized in that: The driving assembly (310) comprises a rotating shaft (312) arranged in the bottom plate (100) for rotation, a motor (311) for driving the rotating shaft (312) to rotate is fixedly mounted on the right end of the rotating shaft (312), a bevel gear (313) for driving the adjusting assembly (320) to drive the clamping plate (410) to move up and down is arranged on the shaft body of the rotating shaft (312), and a bevel gear (314) for driving the adjusting assembly (330) to drive the clamping plate (420) to move up and down is arranged on the shaft body of the rotating shaft (312).

4. The multi-stage hydraulic cylinder with controllable telescopic sequence according to claim 1, characterized in that: The adjustment component 1 (320) includes a bevel gear 3 (321) meshing with a bevel gear 1 (313), the top of the bevel gear 3 (321) is provided with a threaded rod 1 (322) for rotation, the rod body of the threaded rod 1 (322) is threadedly connected with a movable plate 1 (323) for moving up and down, the top of the movable plate 1 (323) is fixedly installed with a connecting rod 1 (324) for driving a clamping plate 1 (410) to move up and down, and there are four connecting rods 1 (324), and the four connecting rods 1 (324) pass through the top of the right fixed plate (200).

5. The multi-stage hydraulic cylinder with controllable telescopic sequence according to claim 3, characterized in that: The adjustment component 2 (330) includes a bevel gear 4 (331) meshing with the bevel gear 2 (314), the top of the bevel gear 4 (331) is provided with a threaded rod 2 (332) for rotation, the rod body of the threaded rod 2 (332) is threadedly connected with a movable plate 2 (333) for moving up and down, the top of the movable plate 2 (333) is fixedly installed with a connecting rod 2 (334) for driving the clamping plate 2 (420) to move up and down, and there are four connecting rods 2 (334), and the four connecting rods 2 (334) pass through the top of the left fixed plate (200).

6. The multi-stage hydraulic cylinder with controllable telescopic sequence according to claim 1, characterized in that: A supporting leg (001) for supporting the bottom plate (100) is fixedly mounted at the bottom end of the bottom plate (100), and there are four supporting legs (001). The four supporting legs (001) are distributed at the four corners of the bottom end of the bottom plate (100) in a rectangular array.

7. The multi-stage hydraulic cylinder with controllable telescopic sequence according to claim 1, characterized in that: The front end of the multi-stage hydraulic cylinder (500) is provided with an oil inlet pipe (002) for conveying hydraulic oil into the multi-stage hydraulic cylinder (500), and the rear end of the multi-stage hydraulic cylinder (500) is provided with an oil outlet pipe (003) for discharging the hydraulic oil in the multi-stage hydraulic cylinder (500).

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