A flash punching device for motor housing

Abstract

This invention discloses a flash trimming device for motor housings, comprising a main body, which includes, from bottom to top, a base plate, a connecting plate, a lower mounting plate, a lower guide plate, an upper guide plate, an upper mounting plate, and a pressure plate. A guide post is mounted on the connecting plate. The pressure plate, upper mounting plate, upper guide plate, and lower guide plate are all vertically movably connected to the guide post. A positioning plate is vertically movably connected to the upper end face of the lower guide plate. A lower cutter is mounted on the upper end face of the lower guide plate, and an upper cutter is mounted on the lower end face of the upper guide plate. A discharge plate is fixedly mounted on the lower end of the upper mounting plate, and a pressure head is fixedly mounted on the lower end of the discharge plate. Multiple first punches are mounted on the lower end face of the upper mounting plate, and multiple second punches are mounted on the connecting plate. This invention can simultaneously remove flash from the outer periphery and round holes of the product, greatly improving production efficiency and preventing chipping of the product, thus significantly increasing the product yield.

Description

Technical Field

[0001] The invention relates to the technical field of motor casing production equipment, and in particular to a motor casing flash punching device. Background Art

[0002] An electric motor, commonly known as a "motor", is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction.

[0003] The motor housing is one of the important parts of the motor. At present, when processing the motor housing containing glass fiber materials, it is necessary to remove the flash of the periphery of the workpiece and all the circular holes. The existing method is divided into two steps. The first step is to remove the flash of the periphery of the workpiece, and the second step is to remove the flash of all the circular holes. This method has the problem of low efficiency. However, if the peripheral flash and the circular hole flash are punched and removed together, the crack phenomenon is prone to occur, so it is urgent to solve it. Summary of the invention

[0004] The purpose of the present invention is to provide a motor housing flash punching device to solve the problems raised in the above background technology.

[0005] The purpose of the present invention is to be achieved through the following technical solutions:

[0006] A flash punching device for a motor housing comprises a flash punching device body, wherein the flash punching device body comprises a bottom plate, a connecting plate, a lower mounting plate, a lower guide plate, an upper guide plate, an upper mounting plate and a pressing plate arranged in sequence from bottom to top, wherein the connecting plate is fixed to the upper end of the bottom plate, the lower mounting plate is fixed to the upper end of the connecting plate, a guide column is installed on the connecting plate, and the guide column is arranged in a vertical direction, the pressing plate, the upper mounting plate, the upper guide plate and the lower guide plate are all connected to the guide column in a manner that allows them to move up and down, the upper end surface of the lower guide plate is connected to a positioning plate for positioning and fixing a workpiece in a manner that allows it to float up and down, and the upper end surface of the lower guide plate is provided with a peripheral fixed mounting on the positioning plate. A lower cutting knife for removing flash from the outer wall of a workpiece is provided, an upper cutting knife cooperating with the lower cutting knife is provided on the lower end surface of the upper guide plate, the upper mounting plate is fixed to the lower end of the pressure plate, the upper end of the pressure plate is connected to the driving device, a discharge plate is fixedly installed at the lower end of the upper mounting plate, a pressure head for pressing the workpiece is fixedly installed at the lower end of the discharge plate, a plurality of first punches are fixedly installed on the lower end surface of the upper mounting plate, a first through hole is provided on the upper guide plate at a position corresponding to the first punch, a plurality of second punches are fixedly installed on the connecting plate, the second punches extend upward to the bottom of the positioning plate, and a second through hole is provided on the positioning plate at a position corresponding to the second punch.

[0007] As a preferred solution of the present invention, the bottom of the first punch has a first punching surface, and the angle between the first punching surface and the horizontal plane is 30° to 50°.

[0008] As a preferred solution of the present invention, the top of the second punch has a second punching surface, and the angle between the second punching surface and the horizontal plane is 30° to 50°.

[0009] As a preferred solution of the present invention, a floating rod is arranged between the positioning plate and the lower guide plate, the lower end of the floating rod is fixed to the lower guide plate, and the upper end of the floating rod is slidably connected to the positioning plate, a floating spring is sleeved on the floating rod, the lower end of the floating spring is pressed against the lower guide plate, and the upper end of the floating spring is pressed against the positioning plate.

[0010] As a preferred solution of the present invention, a positioning column is provided on the upper end surface of the positioning plate corresponding to the opening position of the bottom of the workpiece.

[0011] As a preferred solution of the present invention, a first connecting rod is arranged between the upper mounting plate and the upper guide plate, the lower end of the first connecting rod is fixedly connected to the upper guide plate, the upper end of the first connecting rod is slidably connected to the upper mounting plate, and a first spring is sleeved on the first connecting rod, the upper end of the first spring is pressed against the lower end surface of the upper mounting plate, and the lower end of the first spring is pressed against the upper end surface of the upper guide plate.

[0012] As a preferred solution of the present invention, a second connecting rod is arranged between the lower mounting plate and the lower guide plate, the lower end of the second connecting rod is fixedly connected to the lower mounting plate, the upper end of the second connecting rod is slidably connected to the lower guide plate, and a second spring is sleeved on the second connecting rod, the upper end of the second spring presses against the lower end surface of the lower guide plate, and the lower end of the second spring presses against the upper end surface of the lower mounting plate.

[0013] As a preferred solution of the present invention, a first limiting column is arranged on the upper end surface of the upper guide plate.

[0014] As a preferred solution of the present invention, a second limiting column is arranged on the upper end surface of the lower mounting plate.

[0015] As a preferred solution of the present invention, the driving device is a cylinder.

[0016] The beneficial effect of the present invention is that, compared with the prior art, the present invention can remove the flash of the periphery of the product and the circular hole at one time, greatly improving the production efficiency, and will not cause the product to collapse, greatly improving the product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a motor housing flash punching device;

[0018] Figure 2 A schematic diagram of the three-dimensional structure of a motor housing flash punching device from another perspective;

[0019] Figure 3 It is a schematic diagram of the structure of the first punch.

[0020] In the figure:

[0021] 1. Bottom plate; 2. Connecting plate; 3. Lower mounting plate; 4. Lower guide plate; 5. Upper guide plate; 6. Upper mounting plate; 7. Pressing plate; 8. First limiting column; 9. Second limiting column; 10. Positioning plate; 11. Lower cutter; 12. Cylinder; 13. Unloading plate; 14. First punch; 15. Second punch; 16. Positioning column; 17. First connecting rod; 18. Second connecting rod; 19. Guide column; 20. Upper cutter; 21. Pressing head. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0023] Please refer to Figures 1 to 3 As shown, Figure 1 It is a three-dimensional structural schematic diagram of a motor housing flash punching device; Figure 2 A schematic diagram of the three-dimensional structure of a motor housing flash punching device from another perspective; Figure 3 It is a schematic diagram of the structure of the first punch.

[0024] In this embodiment, a flash punching device for a motor housing includes a flash punching device body, wherein the flash punching device body includes a bottom plate 1, a connecting plate 2, a lower mounting plate 3, a lower guide plate 4, an upper guide plate 5, an upper mounting plate 6 and a pressing plate 7 which are arranged in sequence from bottom to top, wherein the connecting plate 2 is fixed to the upper end of the bottom plate 1, the lower mounting plate 3 is fixed to the upper end of the connecting plate 2, a guide column 19 is installed on the connecting plate 2, and the guide column 19 is arranged in a vertical direction, the pressing plate 7, the upper mounting plate 6, the upper guide plate 5 and the lower guide plate 4 are all connected to the guide column 9 in a manner that they can move up and down, a first limiting column 8 is arranged on the upper end surface of the upper guide plate 5, a second limiting column 9 is arranged on the upper end surface of the lower mounting plate 3, the upper end surface of the lower guide plate 4 is connected to a positioning plate 10 for positioning and fixing a workpiece and can float up and down, and the lower guide plate 4 A lower cutting knife 11 for removing flash from the outer wall of the workpiece is fixedly installed on the upper end surface thereof, and is located at the outer periphery of the positioning plate 10. An upper cutting knife 20 matching the lower cutting knife 11 is arranged on the lower end surface of the upper guide plate 5. The upper mounting plate 6 is fixed to the lower end of the pressing plate 7. The upper end of the pressing plate 7 is connected to the output end of the cylinder 12. A stripping plate 13 is fixedly installed on the lower end of the upper mounting plate 6. A pressing head 21 for pressing the workpiece is fixedly installed on the lower end of the stripping plate 13. A plurality of first punches 14 are fixedly installed on the lower end surface of the upper mounting plate 6. A first through hole is provided on the upper guide plate 5 at a position corresponding to the first punch 14. A plurality of second punches 15 are fixedly installed on the connecting plate 2. The second punches 15 extend upward to the bottom of the positioning plate 10. A second through hole is provided on the positioning plate 10 at a position corresponding to the second punch 15.

[0025] Specifically, in this embodiment, the bottom of the first punch 14 has a first punching surface, and the angle between the first punching surface and the horizontal plane is 30° to 50°.

[0026] Specifically, in this embodiment, the top of the second punch 15 has a second punching surface, and the angle between the second punching surface and the horizontal plane is 30° to 50°.

[0027] Specifically, in this embodiment, a floating rod is arranged between the positioning plate 10 and the lower guide plate 4, the lower end of the floating rod is fixed on the lower guide plate 4, and the upper end of the floating rod is slidably connected to the positioning plate 10, a floating spring is sleeved on the floating rod, the lower end of the floating spring is pressed against the lower guide plate 4, and the upper end of the floating spring is pressed against the positioning plate 10.

[0028] In order to improve the positioning accuracy, in this embodiment, a positioning column 16 is provided on the upper end surface of the positioning plate 10 corresponding to the bottom opening of the workpiece.

[0029] Specifically, in this embodiment, a first connecting rod 17 is arranged between the upper mounting plate 6 and the upper guide plate 5, the lower end of the first connecting rod 17 is fixedly connected to the upper guide plate 5, the upper end of the first connecting rod 17 is slidably connected to the upper mounting plate 6, and a first spring is sleeved on the first connecting rod 17, the upper end of the first spring presses against the lower end surface of the upper mounting plate 6, and the lower end of the first spring presses against the upper end surface of the upper guide plate 5.

[0030] Specifically, in this embodiment, a second connecting rod 18 is arranged between the lower mounting plate 3 and the lower guide plate 4, the lower end of the second connecting rod 18 is fixedly connected to the lower mounting plate 3, the upper end of the second connecting rod 18 is slidably connected to the lower guide plate 4, and a second spring is sleeved on the second connecting rod 18, the upper end of the second spring presses against the lower end surface of the lower guide plate 4, and the lower end of the second spring presses against the upper end surface of the lower mounting plate 3.

[0031] During operation, the cylinder 12 drives the pressure plate 7 to move downward, and then drives the upper mounting plate 6, the unloading plate 13, and the upper guide plate 5 to move downward together. The pressure head 21 presses the product, and the upper cutter 20 cooperates with the lower cutter 11 to punch the outer burrs of the product. The first punch 14 and the second punch 15 punch the burrs of the inner holes of the product. Since there is an angle between the first punching surface of the first punch 14 and the horizontal plane, there is an angle between the second punching surface of the second punch 15 and the horizontal plane, and the floating design of the positioning plate 10 can give the workpiece an upward force. Under the dual action, it can prevent the workpiece from cracking. When the lower guide plate 4 hits the second limit column 9, the internal and external burr removal action of the product is completed.

[0032] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subjected to various changes and modifications, which are within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims.

Claims

1. A flash punching device for a motor housing, comprising a flash punching device body, characterized in that: The flash punching device body includes a bottom plate, a connecting plate, a lower mounting plate, a lower guide plate, an upper guide plate, an upper mounting plate and a pressing plate, which are arranged in sequence from bottom to top. The connecting plate is fixed to the upper end of the bottom plate, and the lower mounting plate is fixed to the upper end of the connecting plate. A guide column is installed on the connecting plate, and the guide column is arranged in a vertical direction. The pressing plate, the upper mounting plate, the upper guide plate and the lower guide plate are all connected to the guide column so as to be movable up and down. The upper end surface of the lower guide plate is connected to a positioning plate for positioning and fixing a workpiece in a floating manner, and a member for removing flash from the outer wall of the workpiece is fixedly installed on the upper end surface of the lower guide plate, located on the outer periphery of the positioning plate. The lower cutting knife of the upper guide plate is provided with an upper cutting knife matching with the lower cutting knife, the upper mounting plate is fixed to the lower end of the pressing plate, the upper end of the pressing plate is connected to the driving device, the lower end of the upper mounting plate is fixedly mounted with a stripping plate, the lower end of the stripping plate is fixedly mounted with a pressing head for pressing the workpiece, a plurality of first punches are fixedly mounted on the lower end surface of the upper mounting plate, a first through hole is opened on the upper guide plate at a position corresponding to the first punch, a plurality of second punches are fixedly mounted on the connecting plate, the second punches extend upward to the bottom of the positioning plate, and a second through hole is opened on the positioning plate at a position corresponding to the second punch; The bottom of the first punch has a first punching surface, and the angle between the first punching surface and the horizontal plane is 30° to 50°; The top of the second punch has a second punching surface, and the angle between the second punching surface and the horizontal plane is 30° to 50°.

2. A motor housing flash punching device according to claim 1, characterized in that: A floating rod is arranged between the positioning plate and the lower guide plate, the lower end of the floating rod is fixed to the lower guide plate, and the upper end of the floating rod is slidably connected to the positioning plate, a floating spring is sleeved on the floating rod, the lower end of the floating spring presses against the lower guide plate, and the upper end of the floating spring presses against the positioning plate.

3. A motor housing flash punching device according to claim 2, characterized in that: A positioning column is arranged on the upper end surface of the positioning plate corresponding to the opening position of the bottom of the workpiece.

4. A motor housing flash punching device according to claim 3, characterized in that: A first connecting rod is arranged between the upper mounting plate and the upper guide plate, the lower end of the first connecting rod is fixedly connected to the upper guide plate, the upper end of the first connecting rod is slidably connected to the upper mounting plate, and a first spring is sleeved on the first connecting rod, the upper end of the first spring presses against the lower end surface of the upper mounting plate, and the lower end of the first spring presses against the upper end surface of the upper guide plate.

5. The motor housing flash punching device according to claim 4, characterized in that: A second connecting rod is arranged between the lower mounting plate and the lower guide plate, the lower end of the second connecting rod is fixedly connected to the lower mounting plate, the upper end of the second connecting rod is slidably connected to the lower guide plate, and a second spring is sleeved on the second connecting rod, the upper end of the second spring presses against the lower end surface of the lower guide plate, and the lower end of the second spring presses against the upper end surface of the lower mounting plate.

6. The motor housing flash punching device according to claim 5, characterized in that: A first limiting column is arranged on the upper end surface of the upper guide plate.

7. The motor housing flash punching device according to claim 6, characterized in that: A second limiting column is arranged on the upper end surface of the lower mounting plate.

8. A motor housing flash punching device according to any one of claims 1 to 7, characterized in that: The driving device is a cylinder.

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