Double-plate automatic pulling-open feeding device and method for multi-station one-out-two blanking die

Abstract

The invention discloses a multi-station one-out-two blanking die double-plate automatic pulling-open feeding device and method, and relates to the field of automobile machining, the multi-station one-out-two blanking die double-plate automatic pulling-open feeding device comprises a die used for blanking plates and two mechanical claw sets used for moving two sub-plates after blanking, the die comprises a lower die base assembly, an upper die base assembly, a material pressing core assembly and two sliding mechanism assemblies, the sliding mechanism assemblies are symmetrically arranged on the two sides of the lower die base assembly, a driving assembly is arranged in each cavity, and each driving assembly comprises a guide plate, a guide cover plate, a limiting block, a driving air cylinder and an air cylinder connecting block. The air cylinder connecting block is connected to the sliding mechanism assembly, and a trimming assembly is arranged on the side face of the die. The two sliding mechanism assemblies driven by the two air cylinders are designed on the two sides of the die to support materials, the plates are clamped through the air cylinder structures, the two plates can be separated to the proper positions after blanking, double-plate feeding of the subsequent procedure is met, and trimming is convenient.

Description

Technical Field

[0001] The present invention belongs to the technical field, and in particular relates to a multi-station one-outlet two-blank die double-sheet automatic pulling apart feeding device and method. Background Art

[0002] Existing multi-station dies with two-piece clamping require dual stacking for feeding. During operation, the blanking die is first blanked individually, and then the stamping die is put into production after the stacking is sorted. This requires two offline production line arrangements, along with intermediate processes such as sheet storage and transfer, to ensure normal production. This is complex and wastes labor and equipment resources.

[0003] Among them, based on the above situation, the present invention designs a blanking die, which can realize blanking first and then automatically adjust the distance between the two sheets, meet all the preparatory work for subsequent stamping and forming, which will greatly improve production efficiency and save costs. Based on this, the present invention designs a multi-station one-out two-blank die double sheet automatic pulling apart feeding device and method. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a multi-station one-out two-blank die double-sheet automatic pulling apart feeding device and method.

[0005] In view of the above problems, the purpose of the present invention is to provide a multi-station one-out two-blank die double-sheet automatic pulling and feeding device, comprising a die for blanking the sheet and two sets of mechanical claws for moving the two separated sheets after blanking, the die comprising:

[0006] The lower die base assembly includes a lower die base body, a lower die cutting knife, an outer shape positioning, and two cavities symmetrically opened on both sides of the top of the lower die base;

[0007] Upper die base assembly; the upper die base assembly includes an upper die base body, an upper die cutting knife block, multiple nitrogen springs, and multiple core limit bolt assemblies;

[0008] A press core assembly; the press core assembly includes a press core and a guide plate, the press core assembly is located in the upper die base assembly, contacts the upper die base body through the guide plate, moves under the action of the press and the plurality of nitrogen springs, and the range of motion is controlled by the plurality of press core limit bolt assemblies;

[0009] Two sliding mechanism assemblies are symmetrically arranged on both sides of the lower die base assembly, used for positioning and installing the two sides of the sheet metal and driving the two sheets to slide to both sides after blanking. A driving assembly is provided in each of the cavities, and the driving assembly includes a guide plate, a guide cover plate, a limit block, a driving cylinder and a cylinder connecting block, and the cylinder connecting block is connected to the sliding mechanism assembly;

[0010] A trimming assembly is provided on the side of the mold.

[0011] In the above-mentioned multi-station one-out two-blank die double-sheet automatic pulling and feeding device, the sliding mechanism assembly includes a sliding block body, two clamping cylinder assemblies, a cylinder connecting block, side guide plates and a magnet. The two clamping cylinder assemblies are symmetrically arranged on both sides of the sliding block body, and the sliding block body is connected to the guide plate arranged on the inner side of the cavity through the side guide plate. The top of the sliding block body is limited by the guide cover plate, and the front and rear sides of the sliding block body limit the moving range of the sliding block body by the limit blocks. The sliding block body is connected to the driving cylinder fixed at the bottom of the cavity through the cylinder connecting block.

[0012] In the above-mentioned multi-station one-out two-blank die double-sheet automatic pulling apart feeding device, the number of the lower die cutting knives is set to three and is directly opposite to the position of the upper die cutting knife block, and the multiple nitrogen springs are respectively arranged around the upper die base and on the side of the upper die cutting knife block, and the multiple core pressure limiting bolt assemblies are respectively arranged around the upper die base.

[0013] In the above-mentioned multi-station one-out two-blank die double-sheet automatic pulling and feeding device, each of the clamping cylinder assemblies includes a connecting seat, the connecting seat is clamped in the groove opened in the sliding block body, and the clamping cylinder is installed in the connecting seat. The output shaft of the clamping cylinder is connected to a clamp, and the clamp is rotatably connected to the top of the connecting seat. The other side of the clamp is connected to a roller, and the sheet is pressed onto the magnet through the roller.

[0014] In the above-mentioned multi-station one-out two-blank die double-sheet automatic pulling apart and feeding device, the trimming assembly includes a workbench arranged on the side of the lower die base assembly, the workbench is provided with a slide rail and a slider, the slider is connected to a movable table through a connecting frame, and two groups of trimming wheels are provided in the movable table. The two groups of trimming wheels are symmetrically arranged on both sides of the sheet and achieve trimming by rolling on the sheet.

[0015] In the above-mentioned multi-station one-out two-blank die double-sheet automatic pulling apart feeding device, a shoulder is provided on the top of the movable platform, and a limiting groove is provided on the top of the shoulder, and the limiting groove cooperates with the limiting block provided at the bottom of the upper die base assembly.

[0016] In the above-mentioned multi-station one-out two-blank die double-sheet automatic pulling and feeding device, the number of the mechanical claw groups in each group is set to four, and the four mechanical claw groups are connected to both sides of the split plate. Each group of the mechanical claw group moves the split plate upward from the blanking position of the mold to the trimming assembly for trimming, and then moves it horizontally to both sides to the subsequent stamping module.

[0017] A method for automatically pulling apart and feeding a dual-sheet material feeding device based on a multi-station one-out two-blank die comprises the following steps:

[0018] S1: Insert the plate A, keep the driving cylinder extended and make the sliding mechanism assembly close to the lower die cutting knife, and position the plate at the specified position through multiple positioning of the shapes;

[0019] S2: driving the clamping cylinders in the two clamping cylinder assemblies on both sides to work, clamping the sheet material, and under the joint action of the magnets, both sides of the sheet material are stably fixed on the two sliding mechanism assemblies;

[0020] S3: The upper die base assembly is pressed downward by the press, the multiple nitrogen springs are compressed, the pressing core contacts the lower die base assembly and presses the material, and the upper die cutting knife and the lower die cutting knife work together to separate the sheet into two split plates. At this time, the two split plates are respectively fixed to the two sliding mechanism assemblies on both sides;

[0021] S4: The upper die base assembly is lifted, and after the pressure core assembly is separated from the lower die base assembly, the driving cylinder in the driving assembly retracts, driving the two sliding mechanism assemblies to move apart, and the two split plates move synchronously with the sliding mechanism assembly on the corresponding side to the specified position;

[0022] S5: The clamping cylinder in the clamping cylinder assembly in the sliding mechanism assembly retracts, the clamp opens, and the two split panels are taken away by multiple manipulators.

[0023] In the above-mentioned operating method, the operating method also includes step S: multiple manipulators first drive the two split plates to move upward to a state where they are disconnected from the magnets and enter the process of the trimming assembly. In the trimming assembly, the slider drives the workbench to move along one side of the split plate through the connecting frame, and then the two trimming wheels perform trimming and rolling along the side of the split plate where the material is blanked, and then return after moving to the other end of the split plate and detach from the split plate to complete the trimming work.

[0024] In the above operating method, the operating method further includes step S: the driving cylinder is extended, the sliding mechanism assembly is reset to an initial state, and then the operation of step S is performed again.

[0025] The beneficial effects of the present invention are as follows: in the present invention, the upper die base assembly is designed as a conventional blanking die core, and the lower die base assembly is designed with a cutting edge to solve the problem of sheet separation, and the sliding mechanism assemblies on both sides are pulled by the auxiliary cylinder to make the sheets on both sides move laterally, and finally a set of molds can produce two sheets and the sheet parts are automatically separated, which is consistent with the feeding spacing required for the subsequent double sheets. At the same time, after the two sheets are separated, the trimming work is performed separately, which reduces the process and improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The structure diagram of a multi-station one-out two-blank die double sheet metal automatic pulling apart feeding device.

[0027] Figure 2 The present invention is a structural diagram of the upper die base assembly in a multi-station one-out two-blank die double-sheet automatic pulling apart feeding device.

[0028] Figure 3 This is a schematic diagram of the structure of the pressing core assembly in a multi-station one-out two-blank die double-sheet automatic pull-open feeding device

[0029] Figure 4 The present invention is a schematic diagram of the structure of one side of the lower die base assembly in a multi-station one-out two-blank die double-sheet automatic pulling apart feeding device.

[0030] Figure 5 The present invention is a structural diagram of a sliding mechanism component in a multi-station one-out two-blank die double-sheet automatic pulling apart feeding device.

[0031] Figure 6 The present invention is a structural diagram of a clamping cylinder assembly in a multi-station one-out two-blank die double-sheet automatic pulling apart feeding device.

[0032] Figure 7 The present invention is a structural diagram of the trimming components in a multi-station one-out two-blank die double-sheet automatic pulling apart feeding device.

[0033] 101 mold, 102 mechanical claw set,

[0034] 01 lower die base assembly, 11 lower die base body, 12 lower die cutting knife, 13 cavity;

[0035] 02 upper die base assembly, 21 upper die base body, 22 upper die cutting blade, 23 nitrogen spring, 24 core pressure limit bolt assembly;

[0036] 03 pressing core assembly, 31 pressing core, 32 guide plate;

[0037] 04 sliding mechanism assembly, 41 sliding block body, 42 clamping cylinder assembly, 43 cylinder connecting block, 44 side guide plate, 45 magnet;

[0038] 05 driving assembly, 51 guide plate, 52 guide cover plate, 53 limit block, 54 driving cylinder;

[0039] 06 sheet;

[0040] 07 trimming assembly, 71 workbench, 72 slide rail, 73 slider, 74 connecting frame, 75 workbench, 751 shoulder, 752 limit groove, 76 trimming wheel. DETAILED DESCRIPTION

[0041] Reference Figures 1 to 7 A multi-station single-outlet, two-blank die, double-sheet automatic pulling and feeding device includes a die 101 for blanking sheet 06 and multiple sets of mechanical claw groups 102 for moving the two split boards after blanking. Each set of mechanical claw groups 102 is set to four, and the four mechanical claw groups 102 are connected to both sides of the split board. The mechanical claw groups 102 are used to move sheet 06 to the die 101 for processing and to simultaneously transport the two split boards out after processing. The die 101 includes:

[0042] The lower die base assembly 01; the lower die base assembly 01 includes a lower die base body 11, a lower die cutting blade 12, an outer shape positioning, two cavities 13 symmetrically opened on both sides of the top of the lower die base 01, and an upper die base assembly 02; the upper die base assembly 02 includes an upper die base body 21, an upper die cutting blade block 22, multiple nitrogen springs 23, and multiple core pressure limiting bolt assemblies 24. The number of lower die cutting blades 12 is set to three and is directly opposite to the position of the upper die cutting blade block 22. The multiple nitrogen springs 23 are respectively arranged around the upper die base body 21 and on the sides of the upper die cutting blade block 22. The multiple core pressure limiting bolt assemblies 24 are respectively arranged around the upper die base body 21;

[0043] The pressing core assembly 03 includes a pressing core 31 and a guide plate 32. The pressing core assembly 03 is located in the upper die base assembly 02 and contacts the upper die base body 21 through the guide plate 32. It moves under the action of the press and multiple nitrogen springs 23, and the range of movement is controlled by multiple pressing core limit bolt assemblies 24.

[0044] Two sliding mechanism assemblies 04 are symmetrically arranged on both sides of the lower die base assembly 01, and are used for positioning and installing the two sides of the sheet material 06 and driving the two sheets 06 to slide to both sides after blanking. A driving assembly 05 is provided in each cavity 13. The driving assembly 05 includes a guide plate 51, a guide cover plate 52, a limit block 53, and a driving cylinder 54. The driving cylinder 54 is connected to the sliding mechanism assembly 04;

[0045] A trimming assembly 07 is provided on the side of the mold 101. Each group of mechanical claws 102 moves the split plate upward from the blanking position of the mold 101 to the trimming assembly 07 for trimming, and then moves horizontally to both sides to the subsequent stamping module. The trimming assembly 07 includes a workbench 71 provided on the side of the lower die base assembly 01. The workbench 71 is provided with a slide rail 72 and a slider 73. The slider 73 is connected to a moving platform 75 through a connecting frame 74. Two groups of trimming wheels 76 are provided in the moving platform 75. Each group of trimming wheels 76 includes two rollers symmetrically provided on the upper and lower sides of the sheet 06 and passing on the sheet 06. The trimming effect is achieved by rolling, and the spacing between the upper and lower rollers is adjusted by the adjustment part set on the movable platform 75. A shoulder 751 is set on the top of the movable platform 75, and a limiting groove 752 is set on the top of the shoulder 751. The limiting groove 752 cooperates with the limiting block set at the bottom of the upper mold base assembly 02. In this way, when the trimming assembly 07 is working, the limiting groove 752 cooperates with the limiting block to make the movable platform 75 move stably and improve the trimming effect. A group of trimming wheels 76 are respectively set on both sides of the trimming platform 76, which can simultaneously perform trimming work on the two blanked panels, making operation convenient.

[0046] The sliding mechanism assembly 04 includes a sliding block body 41, two clamping cylinder assemblies 42, a cylinder connecting block 43, a side guide plate 44 and a magnet 45. The two clamping cylinder assemblies 42 are symmetrically arranged on both sides of the sliding block body 41. The sliding block body 41 is connected to the guide plate 51 set on the inner side of the cavity 13 through the side guide plate 44. The top of the sliding block body 41 is limited by the guide cover plate 52. The front and rear sides of the sliding block body 41 limit the moving range of the sliding block body 41 by the limit blocks 53. The sliding block body 41 is connected to the driving cylinder 54 fixed at the bottom of the cavity 13 through the cylinder connecting block 43.

[0047] Each clamping cylinder assembly 42 includes a connecting seat 421, which is stuck in the groove opened in the sliding block body 41. The clamping cylinder 422 is installed in the connecting seat 421, and the output shaft of the clamping cylinder 422 is connected to the clamp 423. The clamp 423 is rotatably connected to the top of the connecting seat 421, and the other side of the clamp 423 is connected to the roller 424, and the sheet material 06 is pressed onto the magnet 45 through the roller 424.

[0048] An operating method of a multi-station one-out two-blank die double-sheet automatic pulling and feeding device comprises the following steps:

[0049] S1: Insert the plate A, keep the driving cylinder 54 extended and make the sliding mechanism assembly 04 close to the lower die cutting knife 12, and position the plate 06 at the specified position through multiple shape positioning;

[0050] S2: Drive the clamping cylinders 422 in the two clamping cylinder assemblies 42 on both sides to work, clamp the sheet material 06, and under the joint action of the magnets 45, both sides of the sheet material 06 are stably fixed on the two sliding mechanism assemblies 04;

[0051] S3: The upper die assembly 02 is pressed downward by the press, and the multiple nitrogen springs 23 are compressed. After the pressing core 31 contacts the lower die assembly 01 and presses the material, the upper die cutting blade 22 and the lower die cutting blade 12 work together to separate the sheet 06 into two split plates. At this time, the two split plates are respectively fixed to the two sliding mechanism assemblies 04 on both sides;

[0052] S4: The upper die base assembly 02 is lifted up. After the pressing core assembly 03 is separated from the lower die base assembly 01, the driving cylinder 54 in the driving assembly 05 retracts, driving the two sliding mechanism assemblies 04 to move apart. Both split plates move synchronously with the sliding mechanism assembly 04 on the corresponding side to the specified position.

[0053] S5: The clamping cylinder 422 in the clamping cylinder assembly 42 in the sliding mechanism assembly 04 retracts, the clamp 423 opens, and the two split boards are taken away by multiple manipulators;

[0054] S6: Multiple manipulators first drive the two split plates to move upward until they are disconnected from the magnet 45 and enter the process of the trimming assembly 07. In the trimming assembly 07, the slider 73 drives the workbench 75 to move along one side of the split plate through the connecting frame 74, and then the two trimming wheels 76 perform trimming and rolling along the blanked side of the split plate, and then return after moving to the other end of the split plate and detach from the split plate to complete the trimming work.

[0055] S7: The driving cylinder 54 is extended, the sliding mechanism assembly 04 is reset to the initial state, and then the operation of step S1 is repeated.

[0056] It is understood from common technical knowledge that the present invention may be implemented by other embodiments that do not depart from its spirit or essential features. Therefore, the embodiments disclosed above are, in all respects, merely illustrative and not exclusive. All modifications within the scope of the present invention or equivalent to the scope of the present invention are intended to be encompassed by the present invention.

Claims

1. A multi-station one-out two-blank die double sheet material automatic pulling apart feeding device, characterized in that: The invention comprises a die (101) for blanking a sheet material (06) and a plurality of mechanical claw groups (102) for moving two split sheets after blanking. The die (101) comprises: A lower die base assembly (01); the lower die base assembly (01) comprises a lower die base body (11), a lower die cutting blade (12), an outer shape positioning, and two cavities (13) symmetrically opened on both sides of the top of the lower die base; An upper die base assembly (02); the upper die base assembly (02) comprises an upper die base body (21), an upper die cutting blade (22), a plurality of nitrogen springs (23), and a plurality of core-pressing limit bolt assemblies (24); A pressing core assembly (03); the pressing core assembly (03) includes a pressing core (31) and a guide plate (32); the pressing core assembly (03) is located in the upper die base assembly (02), contacts the upper die base body (21) through the guide plate (32), moves under the action of the press and the plurality of nitrogen springs (23), and the range of movement is controlled by the plurality of pressing core limiting bolt assemblies (24); Two sliding mechanism assemblies (04) are symmetrically arranged on both sides of the lower die base assembly (01), and are used for positioning and installing the two side surfaces of the sheet material (06) and driving the two divided sheets to slide to both sides after blanking. A driving assembly (05) is provided in each of the cavities (13), and the driving assembly (05) includes a guide plate (51), a guide cover plate (52), a limit block (53), and a driving cylinder (54). The driving cylinder (54) is connected to the sliding mechanism assembly (04); A trimming assembly (07) is provided on the side of the mold (101).

2. The multi-station one-out two-blank die double-sheet automatic pulling and feeding device according to claim 1 is characterized in that: The sliding mechanism assembly (04) includes a sliding block body (41), two clamping cylinder assemblies (42), a cylinder connecting block (43), a side guide plate (44) and a magnet (45). The two clamping cylinder assemblies (42) are symmetrically arranged on both sides of the sliding block body (41). The sliding block body (41) is connected to the guide plate (51) arranged on the inner side of the cavity (13) through the side guide plate (44). The top of the sliding block body (41) is limited by the guide cover plate (52). The front and rear sides of the sliding block body (41) limit the moving range of the sliding block body (41) through the limit blocks (53). The sliding block body (41) is connected to the driving cylinder (54) fixed at the bottom of the cavity (13) through the cylinder connecting block (43).

3. The multi-station one-out two-blank die double-sheet automatic pulling and feeding device according to claim 1 is characterized in that: The number of the lower die cutting blades (12) is set to three and is directly opposite to the position of the upper die cutting blade block (22); the plurality of nitrogen springs (23) are respectively arranged around the upper die base body (21) and the side of the upper die cutting blade block (22); and the plurality of core limiting bolt assemblies (24) are respectively arranged around the upper die base body (21).

4. The multi-station one-out two-blank die double-sheet automatic pulling and feeding device according to claim 1 is characterized in that: Each of the clamping cylinder assemblies (42) includes a connecting seat (421), the connecting seat (421) is stuck in a groove opened in the sliding block body (41), a clamping cylinder (422) is installed in the connecting seat (421), the output shaft of the clamping cylinder (422) is connected to a clamp (423), the clamp (423) is rotatably connected to the top of the connecting seat (421), the other side of the clamp (423) is connected to a roller (424), and the sheet material (06) is pressed onto the magnet (45) through the roller (424).

5. The multi-station one-out two-blank die double-sheet automatic pulling and feeding device according to claim 1 is characterized in that: The trimming assembly (07) includes a workbench (71) arranged on the side of the lower die base assembly (01), a slide rail (72) and a slider (73) are arranged in the workbench (71), the slider (73) is connected to a movable platform (75) through a connecting frame (74), two groups of trimming wheels (76) are symmetrically arranged on both sides of the movable platform (75), each group of the trimming wheels (76) includes two rollers symmetrically arranged on the upper and lower sides of the plate (06) and achieve trimming by rolling on the plate (06), and the spacing between the upper and lower rollers is adjusted by an adjustment part arranged on the movable platform (75).

6. The multi-station one-out two-blank die double-sheet automatic pulling and feeding device according to claim 5 is characterized in that: The top of the movable platform (75) is provided with a shoulder (751), the top of the shoulder (751) is provided with a limiting groove (752), and the limiting groove (752) cooperates with a limiting block provided at the bottom of the upper die base assembly (02).

7. The multi-station one-out two-blank die double-sheet automatic pulling and feeding device according to claim 2 is characterized in that: The number of each group of mechanical claw groups (102) is set to four, and the four mechanical claw groups (102) are connected to both sides of the split plate. Each group of mechanical claw groups (102) moves the split plate upward from the blanking position of the mold (101) to the trimming assembly (07) for trimming, and then moves horizontally to both sides to the subsequent stamping module.

8. A method for automatically pulling apart and feeding a double-sheet material from a multi-station one-outlet two-blank die according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1: inserting a sheet material (06), keeping the driving cylinder (54) extended and making the sliding mechanism assembly (04) close to the lower die cutting knife part (12), and positioning the sheet material (06) at a designated position through a plurality of the above-mentioned shape positioning; S2: driving the clamping cylinders (422) in the two clamping cylinder assemblies (42) on both sides to work, clamping the sheet material (06), and under the combined action of the magnets (45), stably fixing both sides of the sheet material (06) on the two sliding mechanism assemblies (04); S3: The upper die base assembly (02) is pressed downward by the press, and the plurality of nitrogen springs (23) are compressed. After the pressing core (31) contacts the lower die base assembly (01) to press the material, the upper die cutting knife (22) and the lower die cutting knife (12) work together to separate the sheet material (06) into two split plates. At this time, the two split plates are respectively fixed on the two sliding mechanism assemblies (04) on both sides; S4: the upper die base assembly (02) is lifted up, and after the pressing core assembly (03) is separated from the lower die base assembly (01), the driving cylinder (54) in the driving assembly (05) retracts, driving the two sliding mechanism assemblies (04) to move apart, and the two split plates move synchronously with the sliding mechanism assembly (04) on the corresponding side to the designated position; S5: The clamping cylinder (422) in the clamping cylinder assembly (42) in the sliding mechanism assembly (04) retracts, the clamp (423) opens, and the two split boards are taken away by multiple manipulators (102).

9. The method according to claim 8, characterized in that The operation method further includes step S6: a plurality of manipulators (102) first drive the two split plates to move upward to a state where they are disconnected from the magnets (45) and enter the process of the trimming assembly (07); in the trimming assembly (07), the slider (73) drives the workbench (75) to move along one side of the split plate through the connecting frame (74); then the two trimming wheels (76) perform trimming and rolling along the blanked side of the split plate; then, after moving to the other end of the split plate, they return and detach from the split plate to complete the trimming work.

10. The method according to claim 8, characterized in that: The operation method further comprises step S7: the driving cylinder (54) is extended, the sliding mechanism assembly (04) is reset to an initial state, and then the operation of step S is performed again.

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