Hardware machining and forming device

Abstract

The invention relates to the technical field of hardware machining, in particular to a hardware machining and forming device which comprises a workbench, the workbench is provided with a lower die, the lower die is provided with a female die, and the workbench is connected with a guide column; the upper die is connected to the guide column, and the upper die is provided with a punch; the driving assembly is used for driving the upper die to move so as to drive the punch to punch the female die; the demolding assembly comprises an energy storage mechanism and a pneumatic mechanism; the lubricating assembly comprises a triggering mechanism and a lubricating mechanism; the arrangement of the lubricating mechanism can reduce friction and ensure the stability of the guide column and the mold, so that the consistency and precision of stamping parts are improved, meanwhile, the arrangement of the demolding mechanism can reduce adhesion or clamping stagnation of the stamping parts in the mold and reduce the product defect rate, the combination of the two can effectively ensure the stability of equipment in each stroke, and the production efficiency is improved. And the safety of the production process is improved.

Description

Technical Field

[0001] The invention relates to the technical field of hardware processing, in particular to a hardware processing and forming device. Background Art

[0002] Hardware processing and forming devices are equipment used to process metal materials into various precise shapes and sizes, and are widely used in the manufacturing industry. It includes a variety of processing technologies, such as milling, turning, drilling, etc., among which hardware stamping processing and forming devices are one of the key equipment.

[0003] The hardware stamping forming device is specially used to press metal sheets into the desired shape by applying high pressure. It usually consists of a drive assembly, a die and a guide column. The drive assembly is responsible for applying pressure, the die provides the formed shape, and the guide column ensures the accurate centering of the die. In this way, the stamping forming device can efficiently and accurately produce a variety of hardware such as brackets, housings and gears to meet the needs of industries such as automobiles, home appliances and electronics.

[0004] When using the existing hardware stamping processing and forming devices, it is often necessary to work for a long time, resulting in excessive temperature between the guide column and the mold, which will affect the service life. At this time, it is necessary to stop the machine to lubricate the connecting end of the guide column and the mold. At the same time, after a long period of stamping, due to the accumulation of some debris in the mold, it is easy to cause the stamped parts to stick or get stuck in the mold, making demolding more difficult, affecting automated production. Summary of the invention

[0005] The object of the present invention is to provide a hardware processing and forming device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A hardware processing and forming device, comprising: A workbench, wherein the workbench is provided with a lower mold, the lower mold is provided with a concave mold, and the workbench is connected with a guide column; An upper die, the upper die is connected to the guide post, and the upper die is provided with a punch; A driving assembly, the driving assembly is used to drive the upper die to move and drive the punch to punch the die; A demoulding assembly, the demoulding assembly comprising an energy storage mechanism and a pneumatic mechanism, the energy storage mechanism is used to store energy generated when the driving mechanism is driven and to supply energy to the pneumatic mechanism, the pneumatic mechanism is arranged in the lower mold and is used to push the formed hardware away from the concave mold; and A lubrication assembly, the lubrication assembly includes a trigger mechanism and a lubrication mechanism, the trigger mechanism is used to open the lubrication mechanism when the driving mechanism drives the upper mold to reset, and the lubrication mechanism is used to lubricate the connection between the upper mold and the guide column.

[0007] Preferably, a mounting plate is provided on the top of the workbench, and the driving assembly includes a hydraulic push rod, which is provided on the mounting plate and is used to drive the upper mold to move.

[0008] Preferably, the energy storage mechanism includes a telescopic rod, a piston rod, a piston cylinder, an intake valve and an exhaust valve. The two ends of the telescopic rod are respectively connected to the upper mold and the workbench. The telescopic rod is a hollow structure. The piston rod is connected to the movable end of the telescopic rod. When the telescopic rod is extended or retracted, the piston rod is driven to move along the piston cylinder. The intake valve and the exhaust valve are both arranged on the piston cylinder. The intake valve is used to allow outside air to enter the piston cylinder when the piston rod returns, and the exhaust valve is used to input the air in the piston cylinder into the pneumatic mechanism when the piston rod moves forward.

[0009] Preferably, the pneumatic mechanism includes a cylinder, a three-way valve, an input valve, a rubber block, a pressure relief valve 1, a pressure relief valve 2 and an opening structure, the exhaust valve 1 is connected to the cylinder and is used to input the air in the piston cylinder into the cylinder when the piston rod moves, the three-way valve is connected to the cylinder, the input valve and the pressure relief valve 1 are both connected to the three-way valve, the pressure relief valve 2 is connected to the cylinder, and the opening structure is arranged on the piston cylinder and is used to open the input valve when the piston rod moves and to lift the rubber block through airflow.

[0010] Preferably, the opening structure includes an opening rod, a pressing block, a return spring and a self-resetting switch, the opening rod is connected to the piston rod, the pressing block is arranged on the side wall of the piston cylinder, and the return spring is used to drive the pressing block to reset. When the piston rod moves, the opening rod will resist the pressing block and drive the pressing block to press the self-resetting switch, and when the self-resetting switch is pressed, the input valve will be opened.

[0011] Preferably, the trigger mechanism includes a telescopic rod 2 and a distance sensor, the two ends of the telescopic rod 2 are respectively connected to the upper mold and the mounting plate, the telescopic rod 2 is a hollow structure, the distance sensor is arranged inside the telescopic rod 2 and is interconnected with the mounting plate, and the distance sensor is used to detect the position of the upper mold.

[0012] Preferably, the lubrication mechanism includes an adjusting block, an air inlet valve 2, an air exhaust valve 2, an air inlet valve 3, a movable piston, a lubricating oil cylinder, a lubricating ring and a pressure valve. The adjusting block is arranged at the connecting end of the telescopic rod 2 and the upper mold. The air inlet valve 2 is arranged on the telescopic rod 2 and is used to input air into the telescopic rod 2 when the telescopic rod 2 is extended. The air exhaust valve 2 is arranged at the connection between the telescopic rod 2 and the adjusting block. The air inlet valve 3 is symmetrically arranged on both sides of the adjusting block. The air inlet valve 3 is connected to the lubricating oil cylinder. The movable piston is arranged inside the lubricating oil cylinder. When air enters the lubricating oil cylinder through the air inlet valve 3, the movable piston is pushed to move along the lubricating oil cylinder and then the lubricating oil inside the lubricating oil cylinder is output through the pressure valve on the lubricating ring. The pressure valve is arranged around the lubricating ring.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: when in use, the present invention stores energy when the driving mechanism drives the upper mold to stamp the hardware through the arrangement of telescopic rod one and telescopic rod two, so that when the upper mold returns, the stamped hardware is demolded by the pneumatic mechanism and the upper mold and the guide column are lubricated by the lubrication mechanism. The automated lubrication and demolding reduces the need for manual intervention and reduces the downtime caused by equipment problems. The arrangement of the lubrication mechanism can reduce friction and ensure the stability of the guide column and the mold, thereby improving the consistency and precision of the stamped parts. At the same time, the arrangement of the demolding mechanism can reduce the adhesion or jamming of the stamped parts in the mold and reduce the product defect rate. The combination of the two can effectively ensure the stability of the equipment in each stroke and improve the safety of the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the axial structure of the present invention; Figure 2 It is a front view cross-sectional structural schematic diagram of the present invention; Figure 3 for Figure 2 A schematic diagram of the partial enlarged structure of the middle A area; Figure 4 This is a schematic diagram of the connection structure between the telescopic rod 2 and the adjustment block of the present invention; Figure 5 This is a schematic diagram of the connection structure between the telescopic rod 1 and the piston cylinder of the present invention; Figure 6 This is a schematic diagram of the internal structure of the lubricating oil cylinder of the present invention; Figure 7 This is a schematic diagram of the connection structure of the adjustment block, cylinder and lubrication ring of the present invention.

[0015] In the figure: 1 workbench, 2 lower die, 3 die, 4 guide column, 5 upper die, 6 punch, 7 mounting plate, 8 hydraulic push rod, 9 telescopic rod 1, 10 piston rod, 11 piston cylinder, 12 intake valve 1, 13 exhaust valve 1, 14 cylinder, 15 three-way valve, 16 input valve, 17 rubber block, 18 pressure relief valve 1, 19 pressure relief valve 2, 20 opening rod, 21 pressing block, 22 reset spring, 23 self-reset switch, 24 telescopic rod 2, 25 distance sensor, 26 adjusting block, 27 intake valve 2, 28 exhaust valve 2, 29 intake valve 3, 30 moving piston, 31 lubricating oil cylinder, 32 lubricating ring, 33 pressure valve. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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.

[0017] See also Figure 1-7 , the present invention provides a technical solution: A hardware processing and forming device, as shown in the instruction manual Figure 1 As shown, including: A workbench 1 is used for processing hardware. The workbench 1 is provided with a lower die 2. In this embodiment, a die 3 is provided in the lower die 2 corresponding to a punch 6 of an upper die 5. The workbench 1 is connected with a guide column 4, which is used to ensure that the die maintains an accurate centering position during closing and opening; An upper die 5, the upper die 5 is connected to a guide post 4, the guide post 4 is arranged through a positioning hole of the upper die 5, and the upper die 5 is provided with a punch 6; A driving assembly, which is used to drive the upper die 5 to move and then drive the punch 6 to punch the die 3; A demoulding assembly, the demoulding assembly includes an energy storage mechanism and a pneumatic mechanism, the energy storage mechanism is used to store the energy generated when the driving mechanism is driven and to supply energy to the pneumatic mechanism, the pneumatic mechanism is arranged in the lower mold 2 and is used to push the formed hardware away from the concave mold 3; and The lubrication assembly includes a trigger mechanism and a lubrication mechanism. The trigger mechanism is used to open the lubrication mechanism when the driving mechanism drives the upper mold 5 to reset. The lubrication mechanism is used to lubricate the connection between the upper mold 5 and the guide column 4.

[0018] A mounting plate 7 is provided on the top of the workbench 1, and the mounting plate 7 is used to install the guide column 4 and the hydraulic push rod 8. The driving assembly includes the hydraulic push rod 8, and the hydraulic push rod 8 is an electric hydraulic push rod 8 driven by a hydraulic cylinder. The hydraulic push rod 8 is arranged on the mounting plate 7 and is used to drive the upper mold 5 to move.

[0019] The energy storage mechanism includes a telescopic rod 9, a piston rod 10, a piston cylinder 11, an intake valve 12 and an exhaust valve 13. The two ends of the telescopic rod 9 are respectively fixedly connected to the upper mold 5 and the workbench 1. Therefore, when the upper mold 5 moves, the moving end of the telescopic rod 9 will move with the upper mold 5. The telescopic rod 9 is a hollow structure. The piston rod 10 is connected to the moving end of the telescopic rod 9. When the telescopic rod 9 is extended and retracted, it will drive the piston rod 10 to move along the piston cylinder 11. The intake valve 12 and the exhaust valve 13 are both arranged on the piston cylinder 11. The intake valve 12 is used to allow outside air to enter the piston cylinder 11 when the piston rod 10 returns. The exhaust valve 13 is used to input the air in the piston cylinder 11 into the pneumatic mechanism when the piston rod 10 moves. The intake valve 12 and the exhaust valve 13 are both one-way air valves.

[0020] The pneumatic mechanism includes a cylinder 14, a three-way valve 15, an input valve 16, a rubber block 17, a pressure relief valve 18, a pressure relief valve 2 19 and an opening structure. The exhaust valve 13 is connected to the cylinder 14 and is used to input the air in the piston cylinder 11 into the cylinder 14 when the piston rod 10 advances. The three-way valve 15 is used to connect the input valve 16 and the pressure relief valve 18 to each other. As shown in the figure of the specification, the three-way valve 15 is connected to the cylinder 14 through the input valve 16, and the input valve 16 and the pressure relief valve 18 are both connected to the three-way valve 15. The input valve 16 and the pressure relief valve 18 It is an EV220A type solenoid valve, so the input valve 16 and the pressure relief valve 18 are opened and closed by electromagnetic control. The pressure relief valve 19 is connected to the side wall of the cylinder 14. The pressure relief valve 19 is used to release the air pressure inside the cylinder 19 when the air pressure inside the cylinder 14 is too high. The pressure relief valve 19 is connected to the side wall of the workbench 1 through a pipeline (not shown) to discharge the air. The rubber block 17 is movably connected to the groove. The opening structure is set on the piston cylinder 11 and is used to open the input valve 16 when the piston rod 10 moves and lift the rubber block 17 through airflow.

[0021] The opening structure includes an opening rod 20, a pressing block 21, a return spring 22 and a self-resetting switch 23. The opening rod 20 is fixedly connected to one end of the piston rod 10, the pressing block 21 is arranged on the side wall of the piston cylinder 11, the return spring 22 is a compression spring, and the two ends of the return spring 22 are respectively connected to the side wall of the piston cylinder 11 and the pressing block 21. The return spring 22 is used to drive the pressing block 21 to reset. When the piston rod 10 moves, the opening rod 20 will resist the pressing block 21 and drive the pressing block 21 to press the self-resetting switch 23. When the self-resetting switch 23 is pressed, the input valve 16 will be opened.

[0022] The trigger mechanism includes a telescopic rod 24 and a distance sensor 25. The two ends of the telescopic rod 24 are fixedly connected to the upper mold 5 and the mounting plate 7 respectively. Therefore, when the upper mold 5 moves, the moving end of the telescopic rod 24 will move with the upper mold 5. The telescopic rod 24 is a hollow structure. The distance sensor 25 is arranged inside the telescopic rod 24 and is interconnected with the mounting plate 7. The distance sensor 25 is used to detect the telescopic length of the telescopic rod 24 and then detect the position of the upper mold 5.

[0023] The lubrication mechanism includes an adjusting block 26, an air inlet valve 27, an exhaust valve 28, an air inlet valve 3 29, a movable piston 30, a lubricating oil cylinder 31, a lubricating ring 32 and a pressure valve 33. The adjusting block 26 is arranged at the connecting end of the telescopic rod 24 and the upper mold 5. The air inlet valve 27 is arranged at the telescopic rod 24 and is used to input air into the telescopic rod 24 when the telescopic rod 24 is extended. The exhaust valve 28 is arranged at the connection between the telescopic rod 24 and the adjusting block 26. The air inlet valve 3 29 is symmetrically arranged on both sides of the adjusting block 26. The air inlet valve 3 29 is connected to the lubricating oil cylinder 31. The air inlet valve 27, the exhaust valve 28 and the air inlet valve 3 29 are all one-way valves. The air inlet valve 3 29 is a pressure-driven gas one-way valve. In this embodiment, it is a 414-type gas-controlled one-way valve, which will open and then The air inside the adjustment block 26 enters the lubricating oil cylinder 31 to push the movable piston 30 to move in the lubricating oil cylinder 31. The movable piston 30 is arranged inside the lubricating oil cylinder 31. The output of the lubricating oil in a single reciprocating motion can be adjusted by adjusting the cross-sectional area of ​​the movable piston 30 and the lubricating oil cylinder 31. When the air enters the lubricating oil cylinder 31 through the intake valve three 29, it will push the movable piston 30 to move along the lubricating oil cylinder 31 and then output the lubricating oil inside the lubricating oil cylinder 31 through the pressure valve 33 on the lubricating ring 32. The pressure valve 33 is arranged around the lubricating ring 32. The pressure valve 33 is a pressure-driven liquid one-way valve. In this embodiment, the pressure valve 33 is a KDF series liquid one-way valve. When in use, the lubricating ring 32 is arranged at the installation position of the upper mold 5 and the guide column 4.

[0024] Working principle: When in use, the hydraulic push rod 8 drives the upper mold 5 to move and then drives the punch 6 to punch the plate; During the downward movement, the telescopic rod 9 will be compressed. At this time, the piston rod 10 pushes the air inside the telescopic rod 9 into the cylinder 14 through the exhaust valve 13. When the hydraulic push rod 8 drives the punch 6 to move to the inside of the groove, the opening rod 20 will press the pressing block 21 to press the self-resetting switch 23. At this time, the hydraulic push rod 8 drives the punch 6 to reset, and the input valve 16 is opened so that the air in the cylinder 14 lifts the rubber block 17 to complete the demoulding of the stamping part. In this embodiment, the input valve 16 will be closed after being opened for three seconds, and the pressure relief valve 18 will be opened to reset the rubber block 17; when the hydraulic push rod 8 drives the punch 6 to reset, the intake valve 12 will input the outside air into the piston cylinder 11; During the downward movement, the telescopic rod 24 will extend, and the outside air will enter the telescopic rod 24 through the intake valve 27. When the hydraulic push rod 8 drives the punch 6 to reset, the telescopic rod 24 will contract. At this time, the air inside the telescopic rod 24 will enter the inner cavity of the adjusting block 26 through the exhaust valve 28. When the air pressure in the inner cavity of the adjusting block 26 reaches the opening value of the intake valve 3 29, the intake valve 3 29 will open and drive the moving piston 30 to move, so that the lubricating oil inside the lubricating oil cylinder 31 flows out through the pressure valve 33 and lubricates the connecting end of the guide column 4 and the upper mold 5.

[0025] 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. A hardware processing and forming device, characterized in that: include: A workbench, wherein the workbench is provided with a lower mold, the lower mold is provided with a concave mold, and the workbench is connected with a guide column; An upper die, the upper die is connected to the guide post, and the upper die is provided with a punch; A driving assembly, the driving assembly is used to drive the upper die to move and drive the punch to punch the die; A demoulding assembly, the demoulding assembly comprising an energy storage mechanism and a pneumatic mechanism, the energy storage mechanism is used to store the energy generated when the driving mechanism is driven and to supply energy to the pneumatic mechanism, the pneumatic mechanism is arranged in the lower mold and is used to push the formed hardware away from the concave mold; as well as A lubrication assembly, the lubrication assembly includes a trigger mechanism and a lubrication mechanism, the trigger mechanism is used to open the lubrication mechanism when the driving mechanism drives the upper mold to reset, and the lubrication mechanism is used to lubricate the connection between the upper mold and the guide column.

2. A hardware processing and forming device according to claim 1, characterized in that: A mounting plate is arranged on the top of the workbench, and the driving assembly comprises a hydraulic push rod, which is arranged on the mounting plate and is used to drive the upper mold to move.

3. A hardware processing and forming device according to claim 2, characterized in that: The energy storage mechanism includes a telescopic rod, a piston rod, a piston cylinder, an intake valve and an exhaust valve. The two ends of the telescopic rod are respectively connected to the upper mold and the workbench. The telescopic rod is a hollow structure. The piston rod is connected to the moving end of the telescopic rod. When the telescopic rod is extended or retracted, the piston rod is driven to move along the piston cylinder. The intake valve and the exhaust valve are both arranged on the piston cylinder. The intake valve is used to allow outside air to enter the piston cylinder when the piston rod returns, and the exhaust valve is used to input the air in the piston cylinder into the pneumatic mechanism when the piston rod moves forward.

4. A hardware processing and forming device according to claim 3, characterized in that: The pneumatic mechanism includes a cylinder, a three-way valve, an input valve, a rubber block, a pressure relief valve 1, a pressure relief valve 2 and an opening structure. The exhaust valve 1 is connected to the cylinder and is used to input the air in the piston cylinder into the cylinder when the piston rod moves. The three-way valve is connected to the cylinder. The input valve and the pressure relief valve 1 are both connected to the three-way valve. The pressure relief valve 2 is connected to the cylinder. The opening structure is arranged on the piston cylinder and is used to open the input valve when the piston rod moves and lift the rubber block through airflow.

5. A hardware processing and forming device according to claim 4, characterized in that: The opening structure includes an opening rod, a pressing block, a reset spring and a self-resetting switch, the opening rod is connected to the piston rod, the pressing block is arranged on the side wall of the piston cylinder, the reset spring is used to drive the pressing block to reset, when the piston rod moves, the opening rod will resist the pressing block and drive the pressing block to press the self-resetting switch, and when the self-resetting switch is pressed, the input valve will be opened.

6. The hardware processing and forming device according to claim 2, characterized in that: The trigger mechanism includes a telescopic rod 2 and a distance sensor. The two ends of the telescopic rod 2 are respectively connected to the upper mold and the mounting plate. The telescopic rod 2 is a hollow structure. The distance sensor is arranged inside the telescopic rod 2 and is interconnected with the mounting plate. The distance sensor is used to detect the position of the upper mold.

7. A hardware processing and forming device according to claim 6, characterized in that: The lubrication mechanism includes an adjusting block, an air intake valve 2, an air exhaust valve 2, an air intake valve 3, a movable piston, a lubricating oil cylinder, a lubricating ring and a pressure valve. The adjusting block is arranged at the connecting end of the telescopic rod 2 and the upper mold. The air intake valve 2 is arranged at the telescopic rod 2 and is used to input air into the telescopic rod 2 when the telescopic rod 2 is extended. The air exhaust valve 2 is arranged at the connection between the telescopic rod 2 and the adjusting block. The air intake valve 3 is symmetrically arranged on both sides of the adjusting block. The air intake valve 3 is connected to the lubricating oil cylinder. The movable piston is arranged inside the lubricating oil cylinder. When air enters the lubricating oil cylinder through the air intake valve 3, the movable piston is pushed to move along the lubricating oil cylinder and then the lubricating oil inside the lubricating oil cylinder is output through the pressure valve on the lubricating ring. The pressure valve is arranged around the lubricating ring.

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