Flanging and punching device for outer cylinder of cooling fan

Abstract

The utility model discloses a flanging and punching device for an outer barrel of a heat dissipation fan, relates to the technical field of punching devices, and aims to solve the problems that an existing punching device in the prior art does not have the capability of overturning the outer barrel of the heat dissipation fan, is poor in practicability and is very inconvenient to use. Lifting hydraulic cylinders are symmetrically and fixedly installed on the two sides of the upper portion of the device platen correspondingly, vertical plates are installed above the lifting hydraulic cylinders, the piston rod ends of the lifting hydraulic cylinders are fixedly connected with the vertical plates through screws, first electric cylinders are fixedly installed on the outer sides of the two vertical plates correspondingly, and equipment boxes are arranged on the inner sides of the two vertical plates correspondingly. And the push rod end of the first electric cylinder penetrates through the vertical plate and is fixedly connected with the equipment box through a screw, a clamping plate is rotationally installed on one side of the equipment box, a bottom table is arranged in the middle of the upper portion of the device platen, and a surrounding plate is rotationally installed below the outer side of the bottom table through a bearing.

Description

Technical Field

[0001] The utility model relates to the technical field of punching devices, and particularly relates to a flanging punching device for the outer cylinder of a cooling fan. Background Technique

[0002] When carrying out production operations in fields such as mining, petroleum, and chemical industry, large motors are used to drive the operation of large equipment. During the operation of large motors, a large amount of heat is generated, which affects the stable operation of large motors. Therefore, it is necessary to install a cooling fan to dissipate heat from large motors. When manufacturing a cooling fan, in order to facilitate the installation of the cooling fan, a punching device is required to punch the flanging part of the outer cylinder of the cooling fan;

[0003] For example, the authorized patent with the publication number CN217595629U (a flanging punching device for the outer cylinder of a cooling fan): includes a base, on which a U-shaped support frame is provided. A pair of clamping electric push rods are symmetrically provided on the support frame. The telescopic ends of the clamping electric push rods are provided with support plates, and the ends of the support plates are provided with clamping components; the clamping components include a mounting frame fixedly connected to an elastic rod, and a pair of transmission rollers are rotatably provided on the mounting frame. One of the transmission rollers is driven to rotate by a stepping motor; a travel groove is provided on the support frame, and a horizontal electric push rod is slidably provided in the travel groove. The telescopic end of the horizontal electric push rod is provided with a bracket, and a punching cylinder is provided on the bracket. The telescopic end of the punching cylinder is provided with a punch needle; a vertical electric push rod is fixedly provided on the support frame, and the telescopic end of the vertical electric push rod is fixedly connected to the horizontal electric push rod;

[0004] Although the above-mentioned prior art can conveniently and flexibly clamp the outer cylinder of the cooling fan and perform equally spaced punching operations, it does not have the ability to flip the outer cylinder of the cooling fan. After punching the flanging part at one end of the outer cylinder of the cooling fan, it is necessary to manually flip the outer cylinder of the cooling fan to punch the flanging part at the other end, with poor practicability and very inconvenient use; Therefore, there is an urgent need in the market to develop a flanging punching device for the outer cylinder of a cooling fan to help people solve existing problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a flanging punching device for the outer cylinder of a cooling fan, so as to solve the problems in the above-mentioned background technique that the existing punching device does not have the ability to flip the outer cylinder of the cooling fan, with poor practicability and very inconvenient use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for flanging and punching holes in the outer cylinder of a heat dissipation fan, comprising a device table and an outer cylinder, lifting hydraulic cylinders are symmetrically fixedly installed on both sides above the device table, a vertical plate is installed above the lifting hydraulic cylinder, and the piston rod end of the lifting hydraulic cylinder is fixedly connected to the vertical plate by screws, a first electric cylinder is fixedly installed on the outer sides of the two vertical plates, and an equipment box is provided on the inner sides of the two vertical plates, the push rod end of the first electric cylinder passes through the vertical plate and is fixedly connected to the equipment box by screws, and a clamping plate is rotatably installed on one side of the equipment box.

[0007] Preferably, a base is provided in the middle above the device table, a panel is rotatably installed below the outer side of the base through a bearing, the panel is welded and connected to the device table, a power box is fixedly installed in the middle below the device table, an electric motor is fixedly installed inside the power box, and the output shaft end of the motor is fixedly connected to the base.

[0008] Preferably, a feeding ring hole is provided inside the base platform, and the base platform forms an outer platform body and an inner platform body through the feeding ring hole, and a connecting rod is provided inside the feeding ring hole, and a plurality of connecting rods are provided, and the outer platform body and the inner platform body of the base platform are fixedly connected by the connecting rod, and a material guide cylinder is provided below the base platform, and the positions of the material guide cylinder and the feeding ring hole correspond, and the lower end of the material guide cylinder passes through the device table, and the material guide cylinder is composed of an outer ring plate and an inner ring plate, and a waste trough is provided below the material guide cylinder.

[0009] Preferably, a top plate is fixedly installed above the vertical plate, a second electric cylinder is fixedly installed in the middle above the top plate, a pressure box is provided below the top plate, a push rod end of the second electric cylinder passes through the top plate and is fixedly connected to the pressure box by screws, a pressure plate is provided below the pressure box, the upper end of the pressure plate extends into the interior of the pressure box and is rotatably connected to the pressure box by a bearing, and a rubber pad is fixedly installed below the pressure plate.

[0010] Preferably, punching assemblies are symmetrically arranged on both sides of the base, and the punching assemblies include a fixing plate, a third electric cylinder, an equipment plate, a punching hydraulic cylinder and a punching die.

[0011] Preferably, the third electric cylinder is fixedly installed on one side of the fixed plate, the equipment plate is arranged on the other side of the fixed plate, the push rod end of the third electric cylinder passes through the fixed plate and is fixedly connected to the equipment plate, the punching hydraulic cylinder is fixedly installed above the equipment plate, the die is arranged below the equipment plate, and the piston rod end of the punching hydraulic cylinder passes through the equipment plate and is fixedly connected to the die.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model symmetrically arranges clamping plates on both sides of the outer cylinder, arranges an equipment box on one side of the clamping plates, and arranges a first electric cylinder on the other side of the equipment box, so that the clamping plates can clamp the outer cylinder by driving the piston rod of the first electric cylinder to extend, and the clamping plates can be driven to rotate by the driving motor inside the equipment box, thereby driving the outer cylinder to flip, and at the same time, the vertical plate can be driven to lift and move by the arranged lifting hydraulic cylinder, so that when the outer cylinder flips, the vertical plate is driven to drive the first electric cylinder to move upward, so that the outer cylinder can flip stably without colliding with other contacts, thereby realizing the flipping ability of the outer cylinder of the heat dissipation fan, and when drilling holes in the flanged part of the outer cylinder, it is convenient to perform drilling operations on the flanged parts at both ends of the outer cylinder, which is easy to use and increases the practicality of the punching device.

[0014] 2. The utility model arranges a surrounding plate on the outer side of the base, and the base and the surrounding plate are rotatably connected through a bearing, so that no friction occurs with the device table during the rotation of the base, which is conducive to the stable use of the base, and a feeding ring hole is arranged inside the base, so that the waste in the outer cylinder during the punching process can fall through the feeding ring hole, and then fall into the waste trough through the guide tube, so that the punching waste can be collected conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of a flanging and punching device for the outer cylinder of a heat dissipation fan according to the utility model;

[0016] Figure 2 It is a cross-sectional view of the base, the ring plate and the power box of the utility model;

[0017] Figure 3 It is a cross-sectional view of the press box of the utility model;

[0018] Figure 4 It is a front view of the punching assembly of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the material guiding cylinder of the utility model.

[0020] In the figure: 1. device table; 2. lifting hydraulic cylinder; 3. vertical plate; 4. top plate; 5. outer cylinder; 6. first electric cylinder; 7. equipment box; 8. clamping plate; 9. bottom platform; 10. enclosure; 11. power box; 12. material guide cylinder; 13. waste trough; 14. second electric cylinder; 15. press box; 16. press plate; 17. punching assembly; 18. material passing ring hole; 19. motor; 20. rubber pad; 21. fixed plate; 22. third electric cylinder; 23. equipment plate; 24. punching hydraulic cylinder; 25. die; 26. outer ring plate; 27. inner ring plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-5 The utility model provides an embodiment: a flanging and punching device for the outer cylinder of a heat dissipation fan, comprising a device platform 1 and an outer cylinder 5, lift hydraulic cylinders 2 are symmetrically fixedly installed on both sides above the device platform 1, a vertical plate 3 is installed above the lift hydraulic cylinder 2, and the piston rod end of the lift hydraulic cylinder 2 is fixedly connected to the vertical plate 3 by screws, a first electric cylinder 6 is fixedly installed on the outer sides of the two vertical plates 3, an equipment box 7 is provided on the inner sides of the two vertical plates 3, a driving motor of a clamping plate 8 is provided in the equipment box 7, a push rod end of the first electric cylinder 6 passes through the vertical plate 3 and is fixedly connected to the equipment box 7 by screws, a clamping plate 8 is rotatably installed on one side of the equipment box 7, an arc-shaped groove is provided on the inner side of the clamping plate 8, which is convenient for stably clamping the outer cylinder 5, and the outer cylinder 5 is the outer cylinder of the heat dissipation fan.

[0023] When in use, by driving the piston rod of the first electric cylinder 6 to extend, the clamping plate 8 can clamp the outer cylinder 5, and the driving motor inside the equipment box 7 can drive the clamping plate 8 to rotate, thereby driving the outer cylinder 5 to flip over. At the same time, the vertical plate 3 can be driven to lift and move through the provided lifting hydraulic cylinder 2, so that when the outer cylinder 5 flips over, the vertical plate 3 is driven to move up to drive the first electric cylinder 6 to make the outer cylinder 5 flip stably without contacting and colliding with other structures, thereby realizing the flipping ability of the outer cylinder of the heat dissipation fan. When drilling holes in the flanged part of the outer cylinder, it is convenient to perform drilling operations on the flanged parts at both ends of the outer cylinder, which is easy to use and increases the practicality of the punching device.

[0024] Furthermore, a base 9 is provided in the middle above the device table 1, and a surrounding plate 10 is rotatably installed at the lower side of the outer side of the base 9 through a bearing. The surrounding plate 10 is welded to the device table 1 so that no friction occurs with the device table 1 during the rotation of the base 9, which is beneficial to the stable use of the base 9. A power box 11 is fixedly installed in the middle below the device table 1, and an electric motor 19 is fixedly installed inside the power box 11. The output shaft end of the electric motor 19 is fixedly connected to the base 9. The electric motor 19 is started to drive the base 9 to rotate the outer cylinder 5, so as to facilitate drilling holes at different positions of the flange of the outer cylinder 5.

[0025] Furthermore, a feeding ring hole 18 is provided inside the base 9 to facilitate the falling of waste during the punching process. The base 9 forms an outer platform and an inner platform through the feeding ring hole 18. A connecting rod is provided inside the feeding ring hole 18, and there are multiple connecting rods. The outer platform and the inner platform of the base 9 are fixedly connected by the connecting rod. A material guide cylinder 12 is provided below the base 9 to guide the falling of the punched waste. The positions of the material guide cylinder 12 and the feeding ring hole 18 correspond. The lower end of the material guide cylinder 12 passes through the device table 1. The material guide cylinder 12 is composed of an outer ring plate 26 and an inner ring plate 27. A waste trough 13 is provided below the material guide cylinder 12 to facilitate the collection of waste.

[0026] Furthermore, a top plate 4 is fixedly installed above the vertical plate 3, a second electric cylinder 14 is fixedly installed in the middle above the top plate 4, a pressure box 15 is arranged below the top plate 4, the push rod end of the second electric cylinder 14 passes through the top plate 4 and is fixedly connected to the pressure box 15 by screws, a pressure plate 16 is arranged below the pressure box 15, the upper end of the pressure plate 16 extends into the interior of the pressure box 15 and is rotatably connected to the pressure box 15 by a bearing, and the pressure plate 16 is driven by the pressure box 15 to move downward and press on the outer cylinder 5, which is beneficial to the stability of the punching process of the outer cylinder 5, and a rubber pad 20 is fixedly installed below the pressure plate 16 to improve the contact stability between the pressure plate 16 and the outer cylinder 5.

[0027] Furthermore, punching assemblies 17 are symmetrically arranged on both sides of the base 9 to improve the punching efficiency of the flanged part of the outer cylinder of the heat dissipation fan. The punching assembly 17 includes a fixed plate 21, a third electric cylinder 22, an equipment plate 23, a punching hydraulic cylinder 24 and a die 25. The third electric cylinder 22 is fixedly installed on one side of the fixed plate 21, and the equipment plate 23 is arranged on the other side of the fixed plate 21. The push rod end of the third electric cylinder 22 passes through the fixed plate 21 and is fixedly connected to the equipment plate 23. The punching hydraulic cylinder 24 is fixedly installed above the equipment plate 23, and the die 25 is arranged below the equipment plate 23. The piston rod end of the punching hydraulic cylinder 24 passes through the equipment plate 23 and is fixedly connected to the die 25, which facilitates hydraulic punching work and improves practicality.

[0028] Working principle: When in use, the outer cylinder 5 is placed on the base 9, and then the second electric cylinder 14 drives the press box 15 to drive the press plate 16 to move down, and the outer cylinder 5 is pressed down and fixed, and then the third electric cylinder 22 drives the equipment plate 23 to translate, so that the die 25 moves to the punching position of the flange of the outer cylinder 5, and then the punching hydraulic cylinder 24 drives the die 25 to perform hydraulic punching work, and by starting the motor 19, the base 9 drives the outer cylinder 5 to rotate, so as to facilitate the punching of different positions of the flange of the outer cylinder 5, and the punched waste passes through the feeding ring The hole 18 falls into the material guide cylinder 12 and falls into the waste trough 13 for collection. After the drilling of the flanged part at one end of the outer cylinder 5 is completed, the pressure box 15 is driven to move up and reset, and the piston rod of the first electric cylinder 6 is driven to extend, and the clamping plate 8 clamps the outer cylinder 5. The vertical plate 3 is driven by the lifting hydraulic cylinder 2 to drive the first electric cylinder 6 to move up, and the driving motor inside the equipment box 7 is used to drive the clamping plate 8 to rotate, which can drive the outer cylinder 5 to flip over, and then drive the outer cylinder 5 to fall on the base 9, so as to facilitate the drilling of the flanged part at the other end of the outer cylinder 5.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A device for flanging and punching holes in the outer cylinder of a heat dissipation fan, comprising a device plate (1) and an outer cylinder (5), characterized in that: Lifting hydraulic cylinders (2) are symmetrically fixedly installed on both sides above the device table (1), a vertical plate (3) is installed above the lifting hydraulic cylinder (2), and the piston rod end of the lifting hydraulic cylinder (2) is fixedly connected to the vertical plate (3) by screws, and a first electric cylinder (6) is fixedly installed on the outer side of the two vertical plates (3), and an equipment box (7) is arranged on the inner side of the two vertical plates (3), the push rod end of the first electric cylinder (6) passes through the vertical plate (3) and is fixedly connected to the equipment box (7) by screws, and a clamping plate (8) is rotatably installed on one side of the equipment box (7).

2. A heat dissipation fan outer cylinder flanging and punching device according to claim 1, characterized in that: A base (9) is arranged in the middle above the device platform (1), a panel (10) is rotatably mounted below the outer side of the base (9) via a bearing, the panel (10) is welded to the device platform (1), a power box (11) is fixedly mounted in the middle below the device platform (1), an electric motor (19) is fixedly mounted inside the power box (11), and an output shaft end of the electric motor (19) is fixedly connected to the base (9).

3. The device for flanging and punching holes on the outer cylinder of a heat dissipation fan according to claim 2, characterized in that: The base (9) is provided with a feeding ring hole (18) inside, and the base (9) forms an outer platform body and an inner platform body through the feeding ring hole (18). A connecting rod is provided inside the feeding ring hole (18), and a plurality of connecting rods are provided. The outer platform body and the inner platform body of the base (9) are fixedly connected by the connecting rod. A material guide cylinder (12) is provided below the base (9), and the positions of the material guide cylinder (12) and the feeding ring hole (18) correspond. The lower end of the material guide cylinder (12) passes through the device table (1). The material guide cylinder (12) is composed of an outer ring plate (26) and an inner ring plate (27). A waste material trough (13) is provided below the material guide cylinder (12).

4. The device for flanging and punching holes in the outer cylinder of a heat dissipation fan according to claim 1, characterized in that: A top plate (4) is fixedly mounted above the vertical plate (3), a second electric cylinder (14) is fixedly mounted in the middle above the top plate (4), a pressure box (15) is arranged below the top plate (4), a push rod end of the second electric cylinder (14) passes through the top plate (4) and is fixedly connected to the pressure box (15) by screws, a pressure plate (16) is arranged below the pressure box (15), the upper end of the pressure plate (16) extends into the interior of the pressure box (15) and is rotatably connected to the pressure box (15) by a bearing, and a rubber pad (20) is fixedly mounted below the pressure plate (16).

5. The device for flanging and punching holes on the outer cylinder of a heat dissipation fan according to claim 2, characterized in that: Punching assemblies (17) are symmetrically arranged on both sides of the base (9), and the punching assembly (17) comprises a fixing plate (21), a third electric cylinder (22), a device plate (23), a punching hydraulic cylinder (24), and a punching die (25).

6. The device for flanging and punching holes in the outer cylinder of a heat dissipation fan according to claim 5, characterized in that: The third electric cylinder (22) is fixedly mounted on one side of the fixed plate (21), the device plate (23) is arranged on the other side of the fixed plate (21), the push rod end of the third electric cylinder (22) passes through the fixed plate (21) and is fixedly connected to the device plate (23), the punching hydraulic cylinder (24) is fixedly mounted above the device plate (23), the punching die (25) is arranged below the device plate (23), and the piston rod end of the punching hydraulic cylinder (24) passes through the device plate (23) and is fixedly connected to the punching die (25).

Images