Double-head punching machine with adjustable die

Abstract

The utility model relates to a punching machine, in particular to a double-head punching machine with an adjustable die. The machine structurally comprises a machine body, a base is arranged in the machine body, a front flywheel assembly and a rear flywheel assembly are arranged on the front portion and the rear portion of the top of the machine body respectively, a mold frame assembly capable of sliding front and back is arranged on the base in the machine body, and a front mold assembly and a rear mold assembly are arranged on the mold frame assembly. The front die assembly is located under the front flywheel assembly, and the rear die assembly is located under the rear flywheel assembly. According to the double-station machining device, simultaneous machining of two stations can be achieved, the machining position of the die assembly can be adjusted according to the process requirement, and therefore machining of various workpieces with different requirements can be achieved on one machine, and the applicability of products is improved.

Description

Technical Field

[0001] The utility model relates to a punching machine, in particular to a double-head punching machine with adjustable moulds. Background Art

[0002] As a common machining equipment, punch press is widely used in various processing environments. The design principle of punch press is to convert circular motion into linear motion. The main motor drives the flywheel, which drives the gears, crankshaft (or eccentric gear), connecting rod, etc. through the clutch to achieve linear motion of the slider, thereby performing linear impact on the product to achieve the processing purpose.

[0003] Under the existing technology, common punching equipment all has a fixed punch and die mechanism, which leads to limitations in processing. The punching machine has a narrow processing range and cannot be adjusted and adapted according to the conditions of the workpiece, resulting in a single function in processing. Utility Model Content

[0004] In order to solve the problems of the prior art, the utility model provides a double-head punch press with adjustable molds, which can not only realize simultaneous processing of two workstations, but also adjust the processing position of the mold assembly according to process requirements, so that the processing of multiple workpieces with different requirements can be realized on one machine, thereby improving the applicability of the product.

[0005] The technical solutions adopted in this utility model are as follows:

[0006] A double-head punch press with an adjustable mold includes a fuselage, a base is provided inside the fuselage, a front flywheel assembly and a rear flywheel assembly are respectively provided at the front and rear of the top of the fuselage, a mold frame assembly that can slide back and forth is provided on the base inside the fuselage, a front mold assembly and a rear mold assembly are provided on the mold frame assembly, the front mold assembly is located directly below the front flywheel assembly, and the rear mold assembly is located directly below the rear flywheel assembly.

[0007] Preferably, the front flywheel assembly includes a front crankshaft fixed in front of the top of the fuselage, one end of the front crankshaft is fixed to the front flywheel, the middle part of the front crankshaft is connected to the front punch assembly through a front connecting rod, the front punch assembly is slidably embedded in the front fuselage slide fixed on the frame behind it, and the bottom of the front punch assembly corresponds to the front mold assembly.

[0008] Preferably, the rear flywheel assembly includes a rear crankshaft fixed to the rear of the top of the fuselage, one end of the rear crankshaft is fixed to the rear flywheel, the middle part of the rear crankshaft is connected to the rear punch assembly through a rear connecting rod, the rear punch assembly is slidably embedded in the rear fuselage slide fixed on the frame behind it, and the bottom of the rear punch assembly corresponds to the rear mold assembly.

[0009] Preferably, the mold frame assembly includes a motor fixed in the base, and the motor is connected to a support plate sliding on the base through a screw. C-shaped mold frames are provided on both sides above the support plate, and the front mold assembly and the rear mold assembly are respectively set up in the front and rear of the C-shaped mold frame.

[0010] Preferably, the front mold assembly includes a front lower mold assembly and a front upper mold assembly, the front lower mold assembly is mounted below the C-shaped mold frame, the front upper mold assembly slides between the slide rails on the upper edge of the C-shaped mold frame, the front upper mold assembly includes a front upper mold slider slidingly embedded in the slide rail, the top of the front upper mold slider is connected to the front upper mold base plate through a guide column mechanism, the top of the front upper mold base plate is connected to the front upper mold cover plate, the bottom of the front upper mold cover plate is provided with a front upper mold cylinder, the front end of the front upper mold cylinder is connected to the front upper mold striking block, the front upper mold striking block is pulled by the front upper mold cylinder and moves to the top of the corresponding front upper module according to the process instructions, and impacts the corresponding front upper module under the impact of the front punch assembly on the front upper mold cover plate, and the bottom of the front upper module corresponds to the front lower module on the front upper mold base plate.

[0011] Preferably, the rear mold assembly includes a rear lower mold assembly and a rear upper mold assembly, the rear lower mold assembly is mounted below the C-shaped mold frame, the rear upper mold assembly slides between the slide rails on the upper edge of the C-shaped mold frame, the rear upper mold assembly includes a rear upper mold slider slidably embedded in the slide rail, the upper part of the rear upper mold slider is connected to the rear upper mold base plate through a guide column mechanism, the upper part of the rear upper mold base plate is connected to the rear upper mold cover plate, the bottom of the rear upper mold cover plate is provided with a rear upper mold cylinder, the rear end of the rear upper mold cylinder is connected to the rear upper mold striking block, the rear upper mold striking block is pulled by the rear upper mold cylinder and moves to the upper part of the corresponding rear upper module according to the process instructions, and impacts the corresponding rear upper module under the impact of the rear punch assembly on the rear upper mold cover plate, and the lower part of the rear upper module corresponds to the rear lower module on the rear upper mold base plate.

[0012] The beneficial effects brought about by the technical solution provided by the utility model are:

[0013] The utility model provides a double-head punch press with adjustable molds, which drives different punches for stamping through the front and rear flywheel assemblies, realizes the simultaneous operation of at least two groups of workstations, and improves the stamping efficiency; the mold frame assembly that can slide back and forth in the machine body drives the front and rear mold assemblies to move back and forth as a whole, so that the position of the stamped workpiece to be processed can be adjusted, making it suitable for stamping blanks of different sizes and specifications, greatly improving the applicability of the equipment; the front and rear mold assemblies drive striking blocks of different positions and sizes through the upper mold cylinder, thereby realizing the satisfaction of the stamping requirements of different positions and inner diameters of the workpiece to be stamped under different process requirements, and the slider design of the mold assembly also makes the entire mold assembly easy to disassemble, repair and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is a three-dimensional diagram of the overall structure of a double-head punch press with an adjustable die according to the present invention;

[0016] Figure 2 This is a three-dimensional diagram of the overall internal structure of a double-head punch press with an adjustable die according to the present invention;

[0017] Figure 3 This is a three-dimensional diagram of the overall internal structure of a double-head punch press with an adjustable die according to the present invention;

[0018] Figure 4 This is a three-dimensional diagram of the overall structure of the die frame assembly of a double-head punch press with an adjustable die according to the present invention;

[0019] Figure 5 This is a three-dimensional diagram of the overall structure of the front die assembly and the rear die assembly of a double-head punch press with adjustable dies according to the utility model. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Example 1

[0021] As attached Figure 1-5As shown, a double-head punch press with an adjustable mold in this embodiment includes a fuselage 1, a base 2 is provided inside the fuselage 1, a front flywheel assembly 3 and a rear flywheel assembly 4 are respectively provided on the front and rear of the top of the fuselage 1, a mold frame assembly 5 that can slide back and forth is provided on the base 2 inside the fuselage 1, a front mold assembly 6 and a rear mold assembly 7 are provided on the mold frame assembly 5, the front mold assembly 6 is located directly below the front flywheel assembly 3, and the rear mold assembly 7 is located directly below the rear flywheel assembly 4.

[0022] In this embodiment, the front flywheel assembly 3 includes a front crankshaft 31 fixed in front of the top of the fuselage 1, one end of the front crankshaft 31 is fixed to the front flywheel 32, the middle part of the front crankshaft 31 is connected to the front punch assembly 34 through the front connecting rod 33, and the front punch assembly 34 is slidably embedded in the front fuselage slide 35 fixed on the frame 1 behind it, and the bottom of the front punch assembly 34 corresponds to the front mold assembly 6.

[0023] In this embodiment, the rear flywheel assembly 4 includes a rear crankshaft 41 fixed to the rear of the top of the fuselage 1, one end of the rear crankshaft 41 is fixed to the rear flywheel 42, the middle part of the rear crankshaft 41 is connected to the rear punch assembly 44 through the rear connecting rod 43, and the rear punch assembly 44 is slidably embedded in the rear fuselage slide 45 fixed on the frame 1 behind it, and the bottom of the rear punch assembly 44 corresponds to the rear mold assembly 7.

[0024] The mold frame assembly 5 in this embodiment includes a motor 51 fixed in the base 2, and the motor 51 is connected to a support plate 53 sliding on the base 2 through a screw 52. C-shaped mold frames 54 are provided on both sides above the support plate 53, and the front mold assembly 6 and the rear mold assembly 7 are respectively mounted in the front and rear of the C-shaped mold frame 54.

[0025] The front mold assembly in this embodiment includes a front lower mold assembly 61 and a front upper mold assembly 62. The front lower mold assembly 61 is mounted below the C-shaped mold frame 54. The front upper mold assembly 62 slides between the slide rails 63 on the upper edge of the C-shaped mold frame 54. The front upper mold assembly 62 includes a front upper mold slider 621 that is slidably embedded in the slide rail 63. The upper part of the front upper mold slider 621 is connected to the front upper mold base plate 623 through a guide column mechanism 622. The upper part of the front upper mold base plate 623 is connected to the front upper mold cover plate 62. 4. A front upper mold cylinder 625 is provided at the bottom of the front upper mold cover plate 624. The front end of the front upper mold cylinder 625 is connected to the front upper mold striking block 626. The front upper mold striking block 626 is pulled by the front upper mold cylinder 625 and moves to the top of the corresponding front upper module 627 according to the process instructions. When the front punch assembly 34 impacts the front upper mold cover plate 624, it impacts the corresponding front upper module 627. The lower part of the front upper module 627 corresponds to the front lower module 628 on the front upper mold base plate 623.

[0026] The front and rear mold assembly structures are the same and are no longer marked. The rear mold assembly in this embodiment includes a rear lower mold assembly and a rear upper mold assembly, the rear lower mold assembly is mounted below the C-shaped mold frame, the rear upper mold assembly slides between the slide rails on the upper edge of the C-shaped mold frame, the rear upper mold assembly includes a rear upper mold slider slidably embedded in the slide rail, the upper part of the rear upper mold slider is connected to the rear upper mold base plate through a guide column mechanism, the upper part of the rear upper mold base plate is connected to the rear upper mold cover plate, the bottom of the rear upper mold cover plate is provided with a rear upper mold cylinder, the rear end of the rear upper mold cylinder is connected to the rear upper mold impact block, the rear upper mold impact block is pulled by the rear upper mold cylinder and moves to the top of the corresponding rear upper module according to the process instructions, and impacts the corresponding rear upper module under the impact of the rear punch assembly on the rear upper mold cover plate, and the lower part of the rear upper module corresponds to the rear lower module on the rear upper mold base plate.

[0027] The adjustable die double-head puncher of the embodiment can run separately or together, and the punch assembly impacts the workpiece placed in the die assembly on the die frame assembly 5, the die assembly is supported by the guide pillar mechanism, the guide pillar mechanism can slide on the die frame assembly through the slider at the bottom, the guide pillar mechanism plays a supporting and guiding role, the die assembly is divided into upper and lower dies, the upper die cover plate connected to the upper die bottom plate is used to bear the downward impact of the punch assembly, the upper die cylinder below the upper die cover plate drives the striker to move, the striker is initially located in the gap between the corresponding upper die blocks, and multiple cylinders and strikers are arranged below the upper die cover plate, when the upper die block at a certain position needs to be impacted, the corresponding cylinder is controlled to extend, the striker moves to above the corresponding upper die block below the upper die cover plate, at this time, the punch assembly runs to impact the upper die cover plate, and then the upper die block is punched, under the impact of the upper die block and the lower die block, the workpiece clamped therebetween is completed by the punching process.

[0028] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A double-head punch press with an adjustable die, comprising a body, a base provided inside the body, and a front flywheel assembly and a rear flywheel assembly provided on the top and rear of the body, respectively, characterized in that: A mold frame assembly that can slide back and forth is provided on the base inside the fuselage, and a front mold assembly and a rear mold assembly are provided on the mold frame assembly. The front mold assembly is located directly below the front flywheel assembly, and the rear mold assembly is located directly below the rear flywheel assembly.

2. A double-head punch press with adjustable mold according to claim 1, characterized in that: The front flywheel assembly includes a front crankshaft fixed in front of the top of the fuselage, one end of the front crankshaft is fixed to the front flywheel, the middle part of the front crankshaft is connected to the front punch assembly through a front connecting rod, the front punch assembly is slidably embedded in the front fuselage slide fixed on the frame behind it, and the bottom of the front punch assembly corresponds to the front mold assembly.

3. The double-head punch press with adjustable mold according to claim 1, characterized in that: The rear flywheel assembly includes a rear crankshaft fixed to the rear of the fuselage top, one end of the rear crankshaft is fixed to the rear flywheel, the middle part of the rear crankshaft is connected to the rear punch assembly through a rear connecting rod, the rear punch assembly is slidably embedded in the rear fuselage slide fixed on the frame behind it, and the bottom of the rear punch assembly corresponds to the rear mold assembly.

4. The double-head punch press with adjustable mold according to claim 1, characterized in that: The mold frame assembly includes a motor fixed in the base, and the motor is connected to a support plate sliding on the base through a screw. C-shaped mold frames are provided on both sides above the support plate, and the front mold assembly and the rear mold assembly are respectively set up in the front and rear of the C-shaped mold frame.

5. The double-head punch press with adjustable mold according to claim 4, characterized in that: The front mold assembly includes a front lower mold assembly and a front upper mold assembly, the front lower mold assembly is mounted below the C-shaped mold frame, the front upper mold assembly slides between the slide rails on the upper edge of the C-shaped mold frame, the front upper mold assembly includes a front upper mold slider slidingly embedded in the slide rail, the top of the front upper mold slider is connected to the front upper mold base plate through a guide column mechanism, the top of the front upper mold base plate is connected to the front upper mold cover plate, the bottom of the front upper mold cover plate is provided with a front upper mold cylinder, the front end of the front upper mold cylinder is connected to the front upper mold striking block, the front upper mold striking block is pulled by the front upper mold cylinder and moves to the top of the corresponding front upper module according to the process instructions, and impacts the corresponding front upper module under the impact of the front punch assembly on the front upper mold cover plate, and the bottom of the front upper module corresponds to the front lower module on the front upper mold base plate.

6. A double-head punch press with adjustable mold according to claim 4, characterized in that: The rear mold assembly includes a rear lower mold assembly and a rear upper mold assembly, the rear lower mold assembly is mounted below the C-shaped mold frame, the rear upper mold assembly slides between the slide rails on the upper edge of the C-shaped mold frame, the rear upper mold assembly includes a rear upper mold slider slidably embedded in the slide rail, the upper part of the rear upper mold slider is connected to the rear upper mold base plate through a guide column mechanism, the upper part of the rear upper mold base plate is connected to the rear upper mold cover plate, the bottom of the rear upper mold cover plate is provided with a rear upper mold cylinder, the rear end of the rear upper mold cylinder is connected to the rear upper mold striking block, the rear upper mold striking block is pulled by the rear upper mold cylinder and moves to the upper part of the corresponding rear upper module according to the process instructions, and impacts the corresponding rear upper module under the impact of the rear punch assembly on the rear upper mold cover plate, and the lower part of the rear upper module corresponds to the rear lower module on the rear upper mold base plate.

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