Electric cylinder for casting equipment

Abstract

The utility model relates to an electric cylinder for casting equipment, which comprises a cylinder barrel, one side of the cylinder barrel is connected with a front end cover, one side of the cylinder barrel is connected with a rear end cover, the inner side of the cylinder barrel is provided with a driving mechanism, the driving mechanism comprises an extension rod, the extension rod is positioned on the inner side of the cylinder barrel, one side of the extension rod is connected with a screw rod, and the screw rod is connected with the front end cover and the rear end cover. The outer portion of the lead screw is connected with a nut, the outer portion of the nut is connected with a nut sleeve, and the inner portion of the cylinder barrel is connected with a synchronous belt wheel. According to the electric cylinder for the casting equipment, the servo motor drives the lead screw to drive the nut to move axially to achieve pushing, the electric cylinder is simple in structure, convenient to manufacture, accurate in driving and positioning, high in control reliability and precision, convenient to debug, capable of achieving needed actions, convenient to install and directly fixed, and the servo motor is connected for driving and power. The problems that installation is inconvenient, occupied space is large, and an oil pipe and a hydraulic station are prone to oil leakage are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric cylinders, in particular to an electric cylinder for casting equipment. Background Art

[0002] Electric cylinders are products designed for continuous motion, low to high loads, and can be used for many cycles during their service life. These products have extremely high positioning accuracy and controllability, and can achieve precise motion control under loads from several kilograms to 50 tons.

[0003] When casting equipment realizes the driving effect, oil cylinders are used, which need to be equipped with oil pipes and hydraulic stations, etc., which are inconvenient to install and occupy a large space. The oil pipes and hydraulic stations are prone to oil leakage. There is not enough maintenance space in small places. The positioning accuracy of the oil cylinder is not enough, the deviation is large, and there are phenomena such as position movement. When used in line equipment, the valve block controlling the oil cylinder is relatively complicated. Therefore, it is proposed to use electric cylinders for casting equipment to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an electric cylinder for casting equipment, which has the advantages of simple structure, convenient manufacture and installation, and solves the problems of inconvenient installation, large space occupation, and easy oil leakage of oil pipes and hydraulic stations.

[0005] In order to achieve the above-mentioned purpose of simple structure, convenient manufacturing and convenient installation, the utility model provides the following technical solution: an electric cylinder for casting equipment, comprising a cylinder barrel, one side of the cylinder barrel is connected to a front end cover, one side of the cylinder barrel is connected to a rear end cover, the outside of the rear end cover is connected to a protective cover, one side of the protective cover is connected to a servo motor, and the inner side of the cylinder barrel is provided with a driving mechanism;

[0006] An oil level observation port is provided inside the front end cover, a first proximity switch is connected to one end of the cylinder, an air vent and oil filling port is provided inside the cylinder, a second proximity switch is connected to one end of the cylinder, and an oil drain port is provided inside the cylinder;

[0007] The driving mechanism includes an extension rod, which is located on the inner side of the cylinder. A screw rod is connected to one side of the extension rod, a nut is connected to the outside of the screw rod, a nut sleeve is connected to the outside of the nut, and a synchronous pulley is connected to the inside of the cylinder.

[0008] Furthermore, the first proximity switch is located at one end of the cylinder barrel close to the front end cover, and the second proximity switch is located at one end of the cylinder barrel close to the rear end cover.

[0009] Furthermore, the air vent refueling port is located between the first proximity switch and the second proximity switch, and the oil drain port is located at the lower end of the cylinder.

[0010] Furthermore, one end of the extension rod protrudes from the cylinder barrel, the extension rod passes through the front end cover, and the screw rod is located inside the cylinder barrel.

[0011] Furthermore, the synchronous pulley is connected to the screw rod, and the synchronous pulley is rotationally connected to the cylinder.

[0012] Furthermore, the front end cover and the rear end cover are respectively located on the left and right sides of the cylinder barrel, and the servo motor is located below the cylinder barrel.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The casting equipment uses an electric cylinder, and the servo motor drives the lead screw to drive the nut to move axially to achieve pushing. The electric cylinder has a simple structure, is easy to manufacture, has precise drive positioning, reliable control, high precision, and convenient debugging. It can achieve the required actions and is easy to install. It can be directly fixed and then connected to the drive and power of the servo motor. It solves the problems of inconvenient installation, large space occupation, and easy oil leakage in the oil pipe and hydraulic station. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 It is a side structural schematic diagram of the utility model.

[0018] In the figure: 1. Cylinder; 101. Oil level observation port; 102. First proximity switch; 103. Air vent refueling port; 104. Second proximity switch; 105. Oil drain port; 2. Front cover; 3. Rear cover; 4. Protective cover; 5. Servo motor; 6. Driving mechanism; 601. Extension rod; 602. Screw rod; 603. Nut; 604. Nut sleeve; 605. Synchronous pulley. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3The electric cylinder for casting equipment in this embodiment includes a cylinder barrel 1, one end of the cylinder barrel 1 is connected to a first proximity switch 102, an air vent refueling port 103 is provided inside the cylinder barrel 1, one end of the cylinder barrel 1 is connected to a second proximity switch 104, an oil drain port 105 is provided inside the cylinder barrel 1, a front end cover 2 is connected to one side of the cylinder barrel 1, an oil level observation port 101 is provided inside the front end cover 2, a rear end cover 3 is connected to one side of the cylinder barrel 1, a protective cover 4 is connected to the outside of the rear end cover 3, a servo motor 5 is connected to one side of the protective cover 4, a driving mechanism 6 is arranged on the inner side of the cylinder barrel 1, the driving mechanism 6 includes an extension rod 601, the extension rod 601 is located on the inner side of the cylinder barrel 1, a screw rod 602 is connected to one side of the extension rod 601, a nut 603 is connected to the outside of the screw rod 602, a nut sleeve 604 is connected to the outside of the nut 603, and a synchronous pulley 605 is connected to the inside of the cylinder barrel 1.

[0021] In the case implementation, the first proximity switch 102 is located at one end of the cylinder 1 close to the front end cover 2, the second proximity switch 104 is located at one end of the cylinder 1 close to the rear end cover 3, the air vent refueling port 103 is located between the first proximity switch 102 and the second proximity switch 104, and the oil drain port 105 is located at the lower end of the cylinder 1.

[0022] In the case implementation, one end of the extension rod 601 protrudes from the cylinder 1, the extension rod 601 passes through the front end cover 2, the screw rod 602 is located inside the cylinder 1, the synchronous pulley 605 is connected to the screw rod 602, the synchronous pulley 605 is rotatably connected to the cylinder 1, and the screw rod 602 can be a ball screw.

[0023] In the case implementation, the front cover 2 and the rear cover 3 are respectively located on the left and right sides of the cylinder 1, and the servo motor 5 is located below the cylinder 1. The servo motor 5 drives the screw 602 to drive the nut 603 to move axially to achieve pushing. The electric cylinder has a simple structure, is easy to manufacture, has precise drive positioning, reliable and high control accuracy, is easy to debug, can achieve the required actions, is easy to install, and can be directly fixed, and then the drive and power of the servo motor 5 can be connected.

[0024] When implementing, follow these steps:

[0025] 1) The servo motor 5 first drives the screw rod 602;

[0026] 2) Then the screw rod 602 drives the nut 603 to move axially;

[0027] 3) Pushing can then be achieved.

[0028] To sum up, the casting equipment uses an electric cylinder, and the servo motor 5 drives the screw rod 602 to drive the nut 603 to perform axial movement to achieve pushing. The electric cylinder has a simple structure, is easy to manufacture, has precise drive positioning, reliable and high control accuracy, is easy to debug, can achieve the required actions, is easy to install, can be directly fixed, and then connected to the drive and power of the servo motor 5. It has the advantages of simple structure, easy manufacture and easy installation, and solves the problems of inconvenient installation, large space occupation, and easy oil leakage of oil pipes and hydraulic stations.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric cylinder for a casting device, comprising a cylinder barrel (1), characterized in that: One side of the cylinder barrel (1) is connected to a front end cover (2), one side of the cylinder barrel (1) is connected to a rear end cover (3), the outside of the rear end cover (3) is connected to a protective cover (4), one side of the protective cover (4) is connected to a servo motor (5), and a driving mechanism (6) is provided on the inside of the cylinder barrel (1); An oil level observation port (101) is provided inside the front end cover (2), a first proximity switch (102) is connected to one end of the cylinder barrel (1), an air vent oil filling port (103) is provided inside the cylinder barrel (1), a second proximity switch (104) is connected to one end of the cylinder barrel (1), and an oil drain port (105) is provided inside the cylinder barrel (1); The driving mechanism (6) comprises an extension rod (601), the extension rod (601) is located on the inner side of the cylinder barrel (1), one side of the extension rod (601) is connected to a screw rod (602), the outside of the screw rod (602) is connected to a nut (603), the outside of the nut (603) is connected to a nut sleeve (604), and the inside of the cylinder barrel (1) is connected to a synchronous pulley (605).

2. The electric cylinder for casting equipment according to claim 1, characterized in that: The first proximity switch (102) is located at one end of the cylinder barrel (1) close to the front end cover (2), and the second proximity switch (104) is located at one end of the cylinder barrel (1) close to the rear end cover (3).

3. The electric cylinder for casting equipment according to claim 1, characterized in that: The air vent oil filling port (103) is located between the first proximity switch (102) and the second proximity switch (104), and the oil discharge port (105) is located at the lower end of the cylinder barrel (1).

4. The electric cylinder for casting equipment according to claim 1, characterized in that: One end of the extension rod (601) protrudes from the cylinder barrel (1), the extension rod (601) passes through the front end cover (2), and the screw rod (602) is located inside the cylinder barrel (1).

5. The electric cylinder for casting equipment according to claim 1, characterized in that: The synchronous pulley (605) is connected to the screw rod (602), and the synchronous pulley (605) is rotationally connected to the cylinder barrel (1).

6. The electric cylinder for casting equipment according to claim 1, characterized in that: The front end cover (2) and the rear end cover (3) are respectively located on the left and right sides of the cylinder barrel (1), and the servo motor (5) is located below the cylinder barrel (1).

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