An electric cylinder for vacuum water-dust separation

Abstract

The present invention discloses an electric cylinder for vacuum water and dust separation, comprising a cylinder barrel, a front cover, a rear cover, a motor, a piston rod, a piston, a guide rod, a push rod and a spring. A piston is arranged inside the cylinder barrel, and the left end of the piston is connected to the piston rod. The piston is driven to move by the piston rod, and the piston fits with the inner wall of the cylinder barrel. The left side of the cylinder barrel is sealed by the piston, thereby preventing the piston rod from being connected to external water and dust, thereby ensuring the service life of the piston rod. A guide rod is passed through the piston, and the moving trajectory of the piston is limited by the guide rod, thereby increasing the moving stability effect of the piston.

Description

Technical Field

[0001] The invention relates to the field related to electric cylinders, in particular to an electric cylinder for vacuum water-dust separation. Background Art

[0002] The electric cylinder is a modular product that integrates the servo motor and the lead screw. It converts the rotary motion of the servo motor into linear motion. At the same time, it converts the best advantages of the servo motor - precise speed control, precise rotational speed control, and precise torque control - into precise speed control, precise position control, and precise thrust control; it realizes a new revolutionary product in the high-precision linear motion series.

[0003] The slider of the existing electric cylinder needs to extend into the cylinder body to connect with the ball nut, resulting in a slide groove generally being opened on the outer wall of the electric cylinder. External water and dust can easily enter the cylinder body through the slide groove, affecting the smooth operation of the ball screw and ball nut in the cylinder body. Summary of the invention

[0004] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides an electric cylinder for vacuum water-dust separation.

[0005] The present invention is achieved in this way: an electric cylinder for vacuum water-dust separation is constructed, the device includes a cylinder barrel, a front cover and a rear cover are respectively provided on the left and right sides of the cylinder barrel, and the corners between the cylinder barrel, the front cover and the rear cover are locked by fixing pins, a motor is fixed to the middle of the left end of the front cover, the right end of the motor is connected to the piston rod, the right end of the piston rod is connected to the piston, a guide rod passes through the inside of the piston, and the right end of the guide rod is fixedly connected to the rear cover, the middle of the right end of the piston is connected to the push rod, the guide rod and the outer sides of the push rod are both provided with springs, and the right side of the piston is elastically connected to the rear cover through the spring.

[0006] Preferably, the rear cover includes a rear cover body, a fixing hole and an extension hole, a fixing hole is provided on the left side of the rear cover body, an extension hole is opened in the middle of the rear cover body, the corners of the rear cover body are fixedly connected to the cylinder barrel through fixing pins, the left end of the fixing hole is fixedly connected to the guide rod, and the right end of the push rod passes through the extension hole.

[0007] Preferably, the piston rod includes a movable rod, a ball nut and a ball screw, a ball nut is fixed to the right end of the movable rod, a ball screw is arranged on the left side of the movable rod, the right end of the ball screw extends into the ball nut, and the inner wall of the ball nut is threadedly connected to the ball screw, the left end of the ball screw is connected to the motor, and the right end of the movable rod is fixedly connected to the piston.

[0008] Preferably, the inner wall of the cylinder is circular in side view, and the inner wall of the cylinder is in close contact with the piston.

[0009] Preferably, four guide rods are provided, and the surfaces of the four guide rods are smooth, and the inner wall of the piston fits the guide rods.

[0010] Preferably, the guide rod, push rod and ball screw are arranged in parallel, and the centers of the push rod and the ball screw are arranged in the same straight line.

[0011] Preferably, the inner wall of the fixing hole is smooth, and the inner wall of the fixing hole fits the push rod.

[0012] The present invention has the following advantages: The present invention provides a vacuum water-dust separation electric cylinder through improvement, which has the following improvements compared with the same type of equipment:

[0013] The electric cylinder for vacuum water and dust separation described in the present invention has a piston arranged inside the cylinder barrel, the left end of the piston is connected to the piston rod, the piston is driven to move by the piston rod, and the piston is in contact with the inner wall of the cylinder barrel. The left side of the cylinder barrel is sealed by the piston, thereby avoiding the connection between the piston rod and external water and dust, ensuring the service life of the piston rod, and a guide rod runs through the inside of the piston, which limits the moving trajectory of the piston and increases the stability of the movement of the piston. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a left side view of the rear cover structure of the present invention;

[0016] Figure 3 It is a cross-sectional view of the piston rod structure of the present invention.

[0017] Among them: cylinder barrel-1, front cover-2, rear cover-3, motor-4, piston rod-5, piston-6, guide rod-7, push rod-8, spring-9, rear cover body-31, fixing hole-32, extension hole-33, movable rod-51, ball nut-52, ball screw-53. DETAILED DESCRIPTION

[0018] The following will be combined with the attached Figure 1-3 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1The present invention provides an electric cylinder for vacuum water-dust separation through improvement, including a cylinder 1, a front cover 2 and a rear cover 3 are respectively arranged on the left and right sides of the cylinder 1, and the corners between the cylinder 1, the front cover 2 and the rear cover 3 are locked by fixing pins, a motor 4 is fixed to the middle of the left end of the front cover 2, the right end of the motor 4 is connected to the piston rod 5, the right end of the piston rod 5 is connected to the piston 6, a guide rod 7 runs through the inside of the piston 6, and the right end of the guide rod 7 is fixedly connected to the rear cover 3, the middle of the right end of the piston 6 is connected to the push rod 8, the outer sides of the guide rod 7 and the push rod 8 are both covered with springs 9, and the right side of the piston 6 is elastically connected to the rear cover 3 through the spring 9, and the inner wall of the cylinder 1 is round when viewed from the side shape, and the inner wall of the cylinder 1 fits with the piston 6, and the left side of the inside of the cylinder 1 is closed by the piston 6 to prevent the piston rod 5 from easily contacting with external water and dust, thereby increasing the service life of the piston rod 5. Four guide rods 7 are provided, and the surfaces of the four guide rods 7 are smooth. The inner wall of the piston 6 fits with the guide rod 7, and the moving trajectory of the piston 6 is limited by the guide rod 7. The guide rod 7, the push rod 8 and the ball screw 53 are arranged in parallel, and the centers of the push rod 8 and the ball screw 53 are arranged in the same straight line, so that the ball screw 53 rotates through the ball nut 52 to drive the movable rod 51 and the piston 6 to move in a straight line along the guide rod 7, and the piston 6 drives the push rod 8 to move in a straight line.

[0020] See also Figure 2 The present invention provides an electric cylinder for vacuum water-dust separation through improvement. The rear cover 3 includes a rear cover body 31, a fixing hole 32 and a protruding hole 33. The fixing hole 32 is arranged on the left side of the rear cover body 31, and the protruding hole 33 is arranged in the middle of the rear cover body 31. The corners of the rear cover body 31 are fixedly connected to the cylinder barrel 1 through fixing pins, the left end of the fixing hole 32 is fixedly connected to the guide rod 7, and the right end of the push rod 8 passes through the protruding hole 33. The inner wall of the fixing hole 32 is smooth, and the inner wall of the fixing hole 32 is in contact with the push rod 8, thereby increasing the moving and stabilizing effect of the push rod 8, and supporting the spring 9 through the left end edge of the fixing hole 32.

[0021] See also Figure 3 The present invention provides an electric cylinder for vacuum water-dust separation through improvement. The piston rod 5 includes a movable rod 51, a ball nut 52 and a ball screw 53. The ball nut 52 is fixed to the right end of the movable rod 51, and a ball screw 53 is arranged on the left side of the movable rod 51. The right end of the ball screw 53 extends into the ball nut 52, and the inner wall of the ball nut 52 is threadedly connected to the ball screw 53. The left end of the ball screw 53 is connected to the motor 4, and the right end of the movable rod 51 is fixedly connected to the piston 6.

[0022] The present invention provides an electric cylinder for vacuum water-dust separation through improvement, and its working principle is as follows;

[0023] First, before use, the rear cover 3 is first fixed at the desired position, the right end of the push rod 8 is fixedly connected to the external object that needs to be linearly driven, and the power port of the motor 4 is connected to an external control device with a power supply to power and control the motor 4;

[0024] Second, when in use, the motor 4 is controlled to generate power to drive the left end of the ball screw 53 to rotate through the output shaft. The rotation of the ball screw 53 drives the ball nut 52 to move laterally through the threaded cooperation with the ball nut 52. The ball nut 52 drives the piston 6 to move synchronously through the movable rod 51, and the outer side of the piston 6 slides along the inner wall of the cylinder 1. Since the inner wall of the cylinder 1 is circular when viewed from the side, and the inner wall of the cylinder 1 is in contact with the piston 6, the left side of the inside of the cylinder 1 is closed by the piston 6 to prevent the piston rod 5 from easily contacting with external water and dust, thereby increasing the service life of the piston rod 5. Four guide rods 7 are provided, and the surfaces of the four guide rods 7 are smooth. The inner wall of the piston 6 is in contact with the guide rod 7. The moving trajectory of the piston 6 is limited by the guide rod 7, so that the inner wall slides along the guide rod 7 when the piston 6 moves, thereby increasing the moving stability of the piston 6. The movement of the piston 6 drives the push rod 8 to move laterally synchronously, and the push rod 8 drives the external object that needs to be linearly driven to perform linear movement control.

[0025] The present invention provides an electric cylinder for vacuum water and dust separation through improvement, in which a piston 6 is arranged inside a cylinder barrel 1, and the left end of the piston 6 is connected to a piston rod 5, and the piston 6 is driven to move by the piston rod 5, and the piston 6 is in contact with the inner wall of the cylinder barrel 1, and the left side of the cylinder barrel 1 is sealed by the piston 6, thereby preventing the piston rod 5 from being connected to external water and dust, thereby ensuring the service life of the piston rod 5, and a guide rod 7 runs through the piston 6, and the moving trajectory of the piston 6 is limited by the guide rod 7, thereby increasing the moving stability effect of the piston 6.

[0026] The above shows and describes the basic principle, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0027] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric cylinder for vacuum water-dust separation, characterized in that: The invention comprises a cylinder (1), wherein a front cover (2) and a rear cover (3) are respectively arranged on the left and right sides of the cylinder (1), and the corners between the cylinder (1), the front cover (2) and the rear cover (3) are locked by fixing pins. A motor (4) is fixed at the middle of the left end of the front cover (2), the right end of the motor (4) is connected to a piston rod (5), the right end of the piston rod (5) is connected to a piston (6), a guide rod (7) passes through the inside of the piston (6), and the right end of the guide rod (7) is fixedly connected to the rear cover (3), the middle of the right end of the piston (6) is connected to a push rod (8), the outer sides of the guide rod (7) and the push rod (8) are both provided with springs (9), and the right side of the piston (6) is elastically connected to the rear cover (3) through the spring (9).

2. The electric cylinder for vacuum water-dust separation according to claim 1, characterized in that: The rear cover (3) comprises a rear cover body (31), a fixing hole (32) and a protruding hole (33); the fixing hole (32) is arranged on the left side of the rear cover body (31); the protruding hole (33) is opened in the middle of the rear cover body (31); the corners of the rear cover body (31) are fixedly connected to the cylinder barrel (1) through fixing pins; the left end of the fixing hole (32) is fixedly connected to the guide rod (7); and the right end of the push rod (8) passes through the protruding hole (33).

3. The electric cylinder for vacuum water-dust separation according to claim 1, characterized in that: The piston rod (5) comprises a movable rod (51), a ball nut (52) and a ball screw (53); the ball nut (52) is fixed to the right end of the movable rod (51); the ball screw (53) is arranged on the left side of the movable rod (51); the right end of the ball screw (53) extends into the ball nut (52), and the inner wall of the ball nut (52) is threadedly connected to the ball screw (53); the left end of the ball screw (53) is connected to the motor (4); and the right end of the movable rod (51) is fixedly connected to the piston (6).

4. The electric cylinder for vacuum water-dust separation according to claim 1, characterized in that: The inner wall of the cylinder (1) is circular in side view, and the inner wall of the cylinder (1) is in close contact with the piston (6).

5. The electric cylinder for vacuum water-dust separation according to claim 1, characterized in that: Four guide rods (7) are provided, and the surfaces of the four guide rods (7) are smooth, and the inner wall of the piston (6) fits the guide rods (7).

6. The electric cylinder for vacuum water-dust separation according to claim 1, characterized in that: The guide rod (7), the push rod (8) and the ball screw (53) are arranged in parallel, and the centers of the push rod (8) and the ball screw (53) are arranged in the same straight line.

7. The electric cylinder for vacuum water-dust separation according to claim 2, characterized in that: The inner wall of the fixing hole (32) is smooth, and the inner wall of the fixing hole (32) fits the push rod (8).

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