A combined mold

Abstract

The present invention provides a combined mold, which relates to the technical field of molds. The combined mold includes: a first mold, on which a workpiece to be processed is fixed; a second mold, arranged above the first mold and connected to a punching machine; the first mold and the second mold are fixed on a mold base; a sensor is arranged on the mold base; a punching pin and a cutting knife are arranged below the first mold; a controller is connected to the punching machine, the sensor, the punching pin and the cutting knife; under the control of the controller, the punching machine drives the second mold to move towards the first mold to perform stamping on the workpiece to be processed; after the stamping is completed, the controller controls the punching pin to punch the workpiece to be processed and controls the cutting knife to cut the workpiece to be processed according to a first signal sent by the sensor. The solution of the present invention can replace three devices to complete the stamping, punching and cutting of the inductor wire, save processing time and improve production efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of molds, and in particular relates to a combined mold. Background Art

[0002] The inductor wire in a transformer needs to complete the stamping, punching, and cutting processes to finish the processing. In the prior art, generally three devices are required to process the inductor wire to be processed in sequence, using a stamping machine mold for the stamping process, a punch needle mold for the punching process, and a cutting knife mold for the cutting process. Therefore, in the switching of different processes, equipment turnover is required, resulting in time waste, reduced production efficiency, and moreover, multiple devices increase the input of production costs. Summary of the Invention

[0003] The purpose of the embodiment of the present invention is to provide a combined mold, so as to solve the problem in the prior art that the production efficiency is reduced due to equipment turnover in the stamping, punching, and cutting processes of the inductor wire.

[0004] To achieve the above purpose, the present invention provides a combined mold, including:

[0005] A first mold, on which the workpiece to be processed is fixed;

[0006] A second mold, which is arranged above the first mold and connected to a stamping machine;

[0007] A mold base, on which the first mold and the second mold are fixed;

[0008] A sensor, which is arranged on the mold base;

[0009] A punch needle and a cutting knife, which are arranged below the first mold;

[0010] A controller, which is connected to the stamping machine, the sensor, the punch needle, and the cutting knife;

[0011] Wherein, under the control of the controller, the stamping machine drives the second mold to move towards the first mold to perform stamping on the workpiece to be processed; after the stamping is completed, the controller controls the punch needle to punch the workpiece to be processed and controls the cutting knife to cut the workpiece to be processed according to the first signal sent by the sensor.

[0012] Optionally, a positioning device is arranged on the first mold for positioning the placement position of the workpiece to be processed on the first mold.

[0013] Optionally, the combined mold further includes:

[0014] A fixing plate, which is connected to the die holder, and the second die is fixed on the fixing plate.

[0015] Optionally, the combined die further includes:

[0016] A connection component disposed on the die holder;

[0017] The connection component is detachably connected to the stamping machine and is connected to the second die;

[0018] Through the connection component, the second die is connected to the stamping machine.

[0019] Optionally, the combined die further includes:

[0020] A guiding component, which is disposed below the first die and is used for guiding the moving strokes of the punching pin and the cutting knife.

[0021] Optionally, the combined die further includes:

[0022] A workbench, and the die holder is fixed on the first surface of the workbench.

[0023] Optionally, the combined die further includes:

[0024] A cylinder disposed below the second surface of the workbench, and the piston rod of the cylinder is respectively connected to the punching pin and the cutting knife;

[0025] Wherein, after receiving the second signal from the controller, the cylinder drives the punching pin to move towards the workpiece to be processed through the piston rod, and punches the workpiece to be processed;

[0026] After receiving the third signal from the controller, the cylinder drives the cutting knife to move towards the workpiece to be processed through the piston rod, and cuts the workpiece to be processed.

[0027] Optionally, the cylinder includes:

[0028] A mounting plate connected to the second surface of the workbench;

[0029] A limiting device, which is connected to the controller and is used for receiving the third signal from the controller to limit the moving stroke of the piston rod.

[0030] Optionally, the combined die further includes:

[0031] A universal joint, which is respectively connected to the piston rod, the punching pin and the cutting knife.

[0032] Optionally, the combined die further includes:

[0033] An installation component disposed on the universal joint, and the installation component is respectively connected to the punch pin and the cutting knife.

[0034] Optionally, the controller includes:

[0035] A first relay, the first relay is connected to the sensor for receiving the first signal sent by the sensor;

[0036] A second relay, the second relay is respectively connected to the first relay and the limit device;

[0037] An electromagnetic valve, the electromagnetic valve is respectively connected to the first relay and the air cylinder.

[0038] The above technical solution of the present invention has at least the following beneficial effects:

[0039] In the above solution, the combined die includes a first die, a workpiece to be processed is fixed on the first die; a second die, the second die is disposed above the first die and is connected to a punching machine; a die holder, the first die and the second die are fixed on the die holder; a sensor, the sensor is disposed on the die holder; a punch pin and a cutting knife, the punch pin and the cutting knife are disposed below the first die; a controller, the controller is connected to the punching machine, the sensor, the punch pin and the cutting knife; wherein, under the control of the controller, the punching machine drives the second die to move towards the first die to perform punching and forming on the workpiece to be processed; after the punching and forming is completed, the controller controls the punch pin to punch the workpiece to be processed and controls the cutting knife to cut the workpiece to be processed according to the first signal sent by the sensor, realizing the solution of replacing three devices with one combined die, reducing equipment turnover and equipment investment, improving production efficiency, and at the same time, the combined die can be controlled by one operator, reducing labor costs. Description of the Drawings

[0040] Figure 1 Is a three-dimensional schematic diagram of the combined die according to an embodiment of the present invention;

[0041] Figure 2 Is a front view schematic diagram of the combined die according to an embodiment of the present invention;

[0042] Figure 3 Is a side view schematic diagram of the combined die according to an embodiment of the present invention;

[0043] Figure 4 Is a detailed schematic diagram of the combined die according to an embodiment of the present invention;

[0044] Figure 5 Top view schematic diagram of the combined mold according to an embodiment of the present invention;

[0045] Figure 6 Circuit diagram of the controller in the combined mold according to an embodiment of the present invention;

[0046] Explanation of reference numerals in the drawings:

[0047] 1 - First mold; 2 - Workpiece to be processed; 3 - Second mold; 4 - Mold base; 5 - Punch pin; 6 - Cutting knife; 7 - Fixed plate; 8 - Connection assembly; 9 - Guide assembly; 10 - Workbench; 11 - Cylinder; 12 - Mounting plate; 13 - Universal joint; 14 - Mounting assembly; 15 - First relay; 16 - Second relay; 17 - Solenoid valve; 18 - First gear; 19 - Second gear; 20 - First sub - sensor; 21 - First sub - limit device; 22 - Second sub - limit device. Detailed implementation manners

[0048] To make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will be described in detail with reference to the drawings and specific embodiments.

[0049] In view of the problem that in the prior art, during the stamping, punching and cutting processes of the inductor wire, turnover equipment is required, resulting in a reduction in production efficiency, an embodiment of the present invention provides a combined mold.

[0050] As Figures 1 to 6 shown, an embodiment of the present invention provides a combined mold, including:

[0051] A first mold 1, on which a workpiece 2 to be processed is fixed;

[0052] A second mold 3, which is arranged above the first mold 1 and is connected to a stamping machine;

[0053] A mold base 4, on which the first mold 1 and the second mold 3 are fixed;

[0054] A sensor, which is arranged on the mold base 4;

[0055] A punch pin 5 and a cutting knife 6, which are arranged below the first mold 1;

[0056] A controller, which is connected to the stamping machine, the sensor, the punch pin 5 and the cutting knife 6;

[0057] Among them, under the control of the controller, the stamping machine drives the second die 3 to move towards the first die 1 to stamp and form the workpiece 2 to be processed; after the stamping and forming is completed, the controller controls the punching needle 5 to punch the workpiece 2 to be processed according to the first signal sent by the sensor, and controls the cutting knife 6 to cut the workpiece 2 to be processed.

[0058] Here, the workpiece 2 to be processed can be an inductor wire, or other workpieces that need to undergo stamping, punching, and cutting processes, and there is no limitation or comparison here;

[0059] The sensor includes: a first sub-sensor 20 disposed on the mold base 4; a second sub-sensor (not shown in the figure) disposed on the second die 3; the sensor can adopt a Hall sensor. When the second die 3 moves towards the first die 1 to complete the stamping and forming of the workpiece 2 to be processed and moves away from the first die 1, the first sub-sensor 20 obtains a stamping completion signal and sends it to the controller.

[0060] An embodiment of the present invention includes a first die 1, a workpiece 2 to be processed is fixed on the first die 1; a second die 3, the second die 3 is disposed above the first die 1 and is connected to a stamping machine; a mold base 4, the first die 1 and the second die 3 are fixed on the mold base 4; a sensor, the sensor is disposed on the mold base 4; a punching needle 5 and a cutting knife 6, the punching needle 5 and the cutting knife 6 are disposed below the first die 1; a controller, the controller is connected to the stamping machine, the sensor, the punching needle 5, and the cutting knife 6; among them, under the control of the controller, the stamping machine drives the second die 3 to move towards the first die 1 to stamp and form the workpiece 2 to be processed; after the stamping and forming is completed, the controller controls the punching needle 5 to punch the workpiece 2 to be processed according to the first signal sent by the sensor, and controls the cutting knife 6 to cut the workpiece 2 to be processed, realizing a solution of replacing three devices with one combined die, reducing equipment turnover and equipment investment, improving production efficiency, and at the same time, the combined die can be controlled by one operator, reducing labor costs.

[0061] Optionally, a positioning device is disposed on the first die 1 for positioning the placement position of the workpiece 2 to be processed on the first die 1.

[0062] It should be noted that when using the combined die provided by the embodiment of the present invention, after the workpiece 2 to be processed is placed on the first die 1, the positioning device disposed at the rear of the first die 1 can perform depth positioning on the workpiece 2 to be processed, which belongs to a foolproof design.

[0063] Optionally, it further includes:

[0064] A fixed plate 7, the fixed plate 7 is connected to the mold base 4, and the second mold 3 is fixed on the fixed plate 7.

[0065] It should be noted that the mold base 4 may include two cross plates and two longitudinal connecting beams; the height positions of the two cross plates are different, and the two cross plates are connected together through the two connecting beams; one of the cross plates is connected to the fixed plate 7, and the other cross plate is connected to the mold base fixing device.

[0066] Optionally, the combined mold further includes:

[0067] A connecting component 8 arranged on the mold base 4;

[0068] The connecting component 8 is detachably connected to the punching machine, and the connecting component 8 is connected to the second mold 3;

[0069] Through the connecting component 8, the second mold 3 is connected to the punching machine.

[0070] It should be noted that the connecting component 8 is connected to the main shaft of the punching machine, which can achieve quick connection and disassembly, and save equipment preparation time during use.

[0071] Optionally, it further includes:

[0072] A guiding component 9, the guiding component 9 is arranged below the first mold 1 and is used to guide the movement strokes of the punching pin 5 and the cutting knife 6.

[0073] It should be noted that the guiding component 9 guides the movement strokes of the punching pin 5 and the cutting knife 6, that is, it defines the positions of punching and cutting, so that the punching pin 5 and the cutting knife 6 can accurately and quickly punch and cut the positions of the workpiece 2 to be processed that need punching and cutting.

[0074] Optionally, the combined mold further includes:

[0075] A workbench 10, the mold base 4 is fixed on the first surface of the workbench 10.

[0076] Here, the workbench 10 is a mold base fixing device, providing an operating platform for the operator.

[0077] It should be noted that the specific shape and size of the workbench 10 are not limited and compared.

[0078] Optionally, the combined mold further includes:

[0079] A cylinder 11 is arranged below the second surface of the workbench 10, and the piston rod of the cylinder 11 is respectively connected to the punching pin 5 and the cutting knife 6;

[0080] After receiving the second signal from the controller, the cylinder 11 drives the punching pin 5 to move towards the workpiece 2 to be processed through the piston rod, and punches the workpiece 2 to be processed;

[0081] After receiving the third signal from the controller, the cylinder 11 drives the cutting knife 6 to move towards the workpiece 2 to be processed through the piston rod, and cuts the workpiece 2 to be processed.

[0082] It should be noted that considering the influence of the interaction force between the punching and cutting processes, in order to reduce the torque required by the cylinder 11, the stroke of the piston rod required for punching and cutting is divided into two strokes, the cylinder diameter of the cylinder 11 is reduced, the selection difficulty is reduced, and the economy and space saving are improved.

[0083] Optionally, the cylinder 11 includes:

[0084] A mounting plate 12 connected to the second surface of the workbench 10;

[0085] A limiting device, which is connected to the controller and is used to receive the third signal from the controller to limit the movement stroke of the piston rod.

[0086] Here, through the mounting plate 12, the cylinder 11 can be fixed below the workbench 10 to improve the stability of the equipment.

[0087] It should be noted that the limiting device includes a first sub-limiting device 21 arranged on the piston rod and a second sub-limiting device 22 arranged inside the cylinder 11. The limiting device can adopt a Hall sensor, which is used to receive the third signal sent by the controller to limit the movement stroke of the piston rod.

[0088] Optionally, the combined die further includes:

[0089] A universal joint 13, which is respectively connected to the piston rod, the punching pin 5 and the cutting knife 6.

[0090] It should be noted that the universal joint 13 can realize the angle change of the piston rod during the power transmission process, and is convenient and flexible to use.

[0091] Optionally, the combined die further includes:

[0092] A mounting component 14 arranged on the universal joint 13, and the mounting component 14 is respectively connected to the punching pin 5 and the cutting knife 6.

[0093] It should be noted that the installation component 14 is used to fix the punch pin 5 and the cutting knife 6 on the universal joint 13, so as to realize the connection with the piston rod.

[0094] Optionally, as Figure 6 shown, the controller includes:

[0095] A first relay 15, which is connected to the sensor and is used to receive the first signal sent by the sensor;

[0096] A second relay 16, which is respectively connected to the first relay 15 and the limiting device;

[0097] An electromagnetic valve 17, which is respectively connected to the first relay 15 and the cylinder 11.

[0098] It should be noted that after the punching machine completes the punching and forming of the workpiece 2 to be processed, the sensor sends a first signal to the controller, the circuit in the controller is connected, and the first relay closes the first gear 18;

[0099] The first relay 15 and the second relay 16 can adopt time relays;

[0100] The electromagnetic valve 17 can adopt a pneumatic electromagnetic valve, and high-pressure gas is input into the pneumatic electromagnetic valve to provide power for the cylinder 11, driving the piston rod to drive the punch pin 5 and the cutting knife 6 to move.

[0101] Furthermore, the operation process of the combined mold provided by the embodiment of the present invention is described as follows:

[0102] (1) The operator places the workpiece 2 to be processed on the first mold 1. Here, the workpiece 2 to be processed is preferably an inductor wire. The positioning device on the first mold 1 is used to perform depth positioning on the rear of the workpiece 2 to be processed;

[0103] (2) The controller obtains the start signal input by the operator, controls the punching machine to start, the punching machine drives the second mold 1 to move towards the first mold, presses down the inductor wire, and punches the inductor wire into a rectangular cross-section with a preset size;

[0104] (3) After the punching and forming is completed, the sensor sends a first signal to the controller; among them, the first signal indicates that the inductor wire has completed the punching and forming;

[0105] (4) After receiving the first signal, the controller controls the first relay 15 to close the first gear 18 at an interval of the first preset time, and controls the solenoid valve 17 to send a second signal to the cylinder to control the cylinder 11 to act, and the piston rod moves upward, that is, to push the punch 5 towards the first die 1 to punch the inductor wire; wherein, the second signal indicates that the piston rod of the cylinder drives the punch 5 to punch the inductor wire.

[0106] (5) The controller controls the second relay 16 to close the second gear 19 at an interval of the second preset time, and controls the solenoid valve 17 to send a third signal to the cylinder 11 to control the cylinder 11 to continue to act, and the piston rod continues to move upward until the stroke of the cutting knife 6 reaches the inductor wire, and cuts off the end of the inductor wire to complete the cutting; wherein, the third signal indicates the limit stroke position where the piston rod of the cylinder 11 drives the cutting knife 6 to move.

[0107] It should be noted that the combined die provided by the embodiment of the present invention can achieve the effect of one device completing the work of three devices, one station completing the work of three stations, and one operator completing the work of three operators, greatly reducing the equipment investment and increasing the production efficiency by more than 300%.

[0108] The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A combined mold, characterized in that, Including: A first mold (1), on which a workpiece (2) to be processed is fixed; A second mold (3), which is arranged above the first mold (1) and connected to a punching machine; A mold base (4), on which the first mold (1) and the second mold (3) are fixed; A sensor, which is arranged on the mold base (4); A punch needle (5) and a cutting knife (6), which are arranged below the first mold (1); A controller, which is connected to the punching machine, the sensor, the punch needle (5) and the cutting knife (6); A cylinder (11), the piston rod of which is respectively connected to the punch needle (5) and the cutting knife (6); The cylinder (11) includes: A limiting device, which is connected to the controller and used to receive a third signal from the controller to limit the movement stroke of the piston rod; The controller includes: A first relay (15), which is connected to the sensor and used to receive a first signal sent by the sensor; A second relay (16), which is respectively connected to the first relay (15) and the limiting device; An electromagnetic valve (17), which is respectively connected to the first relay (15) and the cylinder (11); Wherein, under the control of the controller, the punching machine drives the second mold (3) to move towards the first mold (1) to perform stamping on the workpiece (2) to be processed; after the stamping is completed, after receiving the first signal sent by the sensor, the controller controls the first relay (15) to close the first gear (18) at an interval of a first preset time, and controls the electromagnetic valve (17) to send a second signal to the cylinder (11), and the cylinder (11) controls the punch needle (5) to punch the workpiece (2) to be processed; and, the controller controls the second relay (16) to close the second gear (19) at an interval of a second preset time, and controls the electromagnetic valve (17) to send a third signal to the cylinder (11), and the cylinder (11) controls the cutting knife (6) to cut the workpiece (2) to be processed; After receiving the second signal from the controller, the cylinder (11) drives the punch needle (5) to move towards the workpiece (2) to be processed through the piston rod to punch the workpiece (2) to be processed; After receiving the third signal from the controller, the cylinder (11) drives the cutting knife (6) to move towards the workpiece (2) to be processed through the piston rod to cut the workpiece (2) to be processed.

2. The combined mold according to claim 1, characterized in that, A positioning device is arranged on the first mold (1) to position the placement position of the workpiece (2) to be processed on the first mold (1).

3. The combined mold according to claim 1, characterized in that, It further includes: A fixing plate (7), which is connected to the mold base (4), and the second mold (3) is fixed on the fixing plate (7).

4. The combined mold according to claim 3, characterized in that, It further includes: A connecting component (8) arranged on the die carrier (4); The connecting component (8) is detachably connected to the stamping machine, and the connecting component (8) is connected to the second die (3); Through the connecting component (8), the second die (3) is connected to the stamping machine.

5. The combined mold according to claim 1, characterized in that, It further includes: A guiding component (9), which is arranged below the first die (1) and is used to guide the movement strokes of the punching needle (5) and the cutting knife (6).

6. The combined mold according to claim 1, characterized in that, It further includes: A workbench (10), and the die carrier (4) is fixed on the first surface of the workbench (10).

7. The combined die according to claim 6, wherein The air cylinder is arranged below the second surface of the workbench (10).

8. The combined mold according to claim 7, characterized in that The air cylinder (11) further includes: A mounting plate (12) connected to the second surface of the workbench (10).

9. The combined mold according to claim 7, wherein It further includes: A universal joint (13), and the universal joint (13) is respectively connected to the piston rod, the punching needle (5) and the cutting knife (6).

10. The combined mold according to claim 9, characterized in that, It further includes: A mounting component (14) arranged on the universal joint (13), and the mounting component (14) is respectively connected to the punching needle (5) and the cutting knife (6).

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