Adjustable multi-size bending die for metal plate

Abstract

The utility model discloses an adjustable multi-size bending die for a metal plate, which comprises an upper die mechanism, a lower die mechanism, a lower die mechanism and a bending mechanism, the upper die mechanism is provided with a punch seat, the punch seat is provided with a fixing hole, and the side wall of the punch seat is provided with a locking hole communicated with the fixing hole; one end of the punch is inserted into the fixing hole; one end of the locking component is inserted into the fixing hole and abuts against the side wall of the punch; the lower die mechanism is located below the upper die mechanism, and a first mounting groove is formed in the lower die mechanism; and the concave plate insert is detachably connected into the first mounting groove, and a forming cavity is formed in the concave plate insert. The first mounting groove is formed in the lower base plate, and the concave plate insert is detachably connected in the first mounting groove through the bolt, so that the purpose of facilitating mounting and dismounting is achieved, concave plate inserts of different specifications can be replaced conveniently to adapt to bending of different metal plates, molds can be reduced, manpower and machine tables are saved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to an adjustable multi-size bending die for sheet metal. Background Art

[0002] In stamping die technology, the product bending process can only be completed by a single die, that is, one die can only correspond to one product. Due to the limitation of the process, different products need to have different die, which increases the cost invisibly: such as design cost, transfer cost in the middle of the process, machine use cost and die frame debugging cost, etc., and also reduces production efficiency and wastes manpower and material resources. This has been a very troubling problem for a long time. People in the industry have also used various methods to deal with the above problems, but with little success. Utility Model Content

[0003] The utility model provides an adjustable multi-size bending die for sheet metal. A first mounting groove is arranged on a lower pad, and a concave plate insert is detachably connected to the first mounting groove by bolts, so as to achieve the purpose of easy installation and disassembly, thereby facilitating replacement of concave plate inserts of different specifications to adapt to the bending of different sheet metals, which can reduce molds, save labor, save machines, and improve production efficiency.

[0004] In order to achieve the above object, the utility model provides an adjustable multi-size bending die for sheet metal, which includes:

[0005] An upper die mechanism, wherein a punch seat is provided on the upper die mechanism, a fixing hole is provided on the punch seat, and a locking hole communicating with the fixing hole is provided on a side wall of the punch seat;

[0006] A punch, one end of which is inserted into the fixing hole;

[0007] A locking component, one end of which is inserted into the fixing hole and abuts against the side wall of the punch;

[0008] A lower mold mechanism, the lower mold mechanism is located below the upper mold mechanism, and a first mounting groove is provided on the lower mold mechanism;

[0009] A concave plate insert, the concave plate insert is detachably connected in the first mounting groove, and a forming cavity is provided on the concave plate insert;

[0010] A positioning component is arranged at one end of the concave plate insert, and the concave plate insert is detachably connected in the first installation groove.

[0011] As a further description of the above technical solution:

[0012] The positioning component includes a positioning block and a fixing block. The fixing block is detachably connected to the first mounting groove. A protrusion is provided on one side of the fixing block. The protrusion is pressed on the step surface of the fixing block. One side of the fixing block abuts against the concave plate insert.

[0013] As a further description of the above technical solution:

[0014] The top of the fixing block extends out of the surface of the concave plate insert, and the top of the fixing block has a chamfered surface.

[0015] As a further description of the above technical solution:

[0016] A second mounting groove is provided on one side of the positioning block, and a third mounting groove is provided on the fixing block at a position corresponding to the second mounting groove. One end of the second mounting groove is connected to a spring, and the other end of the spring is connected to the third mounting groove.

[0017] As a further description of the above technical solution:

[0018] The upper die mechanism comprises an upper locking plate, an upper pad, an upper die plate and an upper clamping plate which are arranged from top to bottom, and the punch seat is arranged on the upper clamping plate.

[0019] As a further description of the above technical solution:

[0020] At least one screw hole is provided on the punch seat, and the punch seat is detachably connected to the upper clamping plate via a screw in the screw hole.

[0021] As a further description of the above technical solution:

[0022] The lower mold mechanism includes a lower locking plate, a lower foot, a lower pad and a lower mold plate which are arranged in sequence from bottom to top, and the first mounting groove is arranged on the lower pad.

[0023] As a further description of the above technical solution:

[0024] The locking component is a screw.

[0025] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0026] 1. In the utility model, a first mounting groove is arranged on the lower pad, and the concave plate insert is detachably connected in the first mounting groove by bolts, so as to achieve the purpose of easy installation and disassembly, thereby facilitating the replacement of concave plate inserts of different specifications to adapt to the bending of different sheet metals.

[0027] 2. In the utility model, a punch seat is arranged on the upper clamping plate, and the punch is inserted into the fixing hole and fixed by a screw rod, which is convenient for disassembly and installation, so that the corresponding punch can be replaced according to different concave plate inserts, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 The figure is a schematic diagram of the structure of an adjustable multi-size bending die for sheet metal.

[0030] Figure 2 The present invention is a structural schematic diagram of an upper die mechanism in an adjustable multi-size bending die for sheet metal.

[0031] Figure 3 The present invention is a schematic diagram of the structure of the lower die mechanism of an adjustable multi-size bending die for sheet metal.

[0032] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0033] Figure 5 for Figure 3 Enlarged view of point B in the middle.

[0034] Figure 6 The present invention is a schematic diagram of the structure of a punch seat in an adjustable multi-size bending die for sheet metal.

[0035] Legend:

[0036] 1. Upper die mechanism; 11. Upper locking plate; 12. Upper pad; 13. Upper template; 14. Upper clamp; 2. Lower die mechanism; 21. Lower locking plate; 22. Lower pad; 23. Lower pad; 24. Lower template; 3. Punch seat; 4. Fixing hole; 5. Locking hole; 6. Punch; 7. Locking component; 8. First mounting groove; 9. Concave plate insert; 10. Forming cavity; 15. Positioning component; 151. Positioning block; 152. Fixed block; 16. Protrusion; 17. Step surface; 18. Spring; 19. Screw hole. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0039] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0040] In the description of the embodiments of the present utility model, it should be noted that the terms "upper", "inner", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] See also Figure 1-6 The utility model provides an adjustable multi-size bending die for sheet metal, which includes:

[0043] An upper die mechanism 1, wherein a punch seat 3 is provided on the upper die mechanism 1, a fixing hole 4 is provided on the punch seat 3, and a locking hole 5 communicating with the fixing hole 4 is provided on the side wall of the punch seat 3;

[0044] A punch 6, one end of which is inserted into the fixing hole 4;

[0045] A locking component 7, one end of which is inserted into the fixing hole 4 and abuts against the side wall of the punch 6;

[0046] A lower mold mechanism 2, the lower mold mechanism 2 is located below the upper mold mechanism 1, and a first mounting groove 8 is provided on the lower mold mechanism 2;

[0047] A concave plate insert 9, wherein the concave plate insert 9 is detachably connected to the first mounting groove 8, and a molding cavity 10 is provided on the concave plate insert 9;

[0048] A positioning component 15 is provided at one end of the concave plate insert 9 , and the concave plate insert 9 is detachably connected to the first mounting groove 8 .

[0049] The positioning component 15 includes a positioning block 151 and a fixing block 152. The fixing block 152 is detachably connected to the first mounting groove 8. A protrusion 16 is provided on one side of the fixing block 152. The protrusion 16 is pressed on the step surface 17 of the fixing block 152. One side of the fixing block 152 abuts against the concave plate insert 9. The fixing block is located between the positioning block and the concave plate insert and is pressed on the step surface by the protrusion. The positioning block is detachably connected to the lower mold mechanism by bolts, which facilitates the removal of the positioning component, thereby achieving the purpose of facilitating the removal of the concave plate insert.

[0050] The top of the fixing block 152 extends out of the surface of the concave plate insert 9, and the top of the fixing block 152 has a chamfered surface. In this way, the fixing block can position the product, that is, during processing, one end of the product abuts against the fixing block, which can ensure that the product is placed in place, thereby improving the quality of product processing.

[0051] A second mounting groove is provided on one side of the positioning block 151, and a third mounting groove is provided on the fixing block 152 at a position corresponding to the second mounting groove, one end of the second mounting groove is connected to the spring 18, and the other end of the spring 18 is connected to the third mounting groove. In this way, the fixing block can be ensured to be in close contact with the side wall of the concave plate insert.

[0052] The upper die mechanism 1 includes an upper locking plate 11 , an upper foot 12 , an upper die plate 13 and an upper clamping plate 14 which are arranged from top to bottom, and the punch seat 3 is disposed on the upper clamping plate 14 .

[0053] At least one screw hole 19 is provided on the punch seat 3, and the punch seat 3 is detachably connected to the upper clamping plate 14 by screws in the screw hole 19. This facilitates the installation and removal of the punch seat.

[0054] The lower mold mechanism 2 includes a lower locking plate 21 , a lower foot 22 , a lower pad 23 and a lower mold plate 24 which are arranged in sequence from bottom to top, and the first mounting groove 8 is provided on the lower pad 24 .

[0055] The locking member 7 is a screw rod, which is convenient for installing and disassembling the screw rod, thereby facilitating the disassembly and replacement of the punch.

[0056] Working principle: when replacing the concave plate insert 9, first loosen the bolts fixing the concave plate insert 9, then loosen the bolts fixing the positioning block 151, then position the block 151 and the fixing block 152 in turn, finally take out the concave plate insert 9, put the new concave plate insert 9 into the first installation groove 8, then put the positioning block 151 and the fixing block 152 into the first installation groove 8 and fix the positioning block 151 with bolts, and finally fix the concave plate insert 9 with bolts;

[0057] When the punch 6 is replaced, first loosen the locking component 7, take out the punch 6, install a new punch 6, insert the locking component 7 into the locking hole 5 to fix the punch 6, and the replacement of the punch is completed.

[0058] When the product is being processed, the product is placed on the concave plate insert 9, one end of the product is against the fixed block 152, the product is positioned, and then the upper die mechanism 1 moves downward, the punch punches and bends the product, and after the punching is completed, the upper die mechanism 1 moves upward to take out the product.

[0059] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable multi-size bending die for sheet metal, characterized in that: include: An upper die mechanism, wherein a punch seat is provided on the upper die mechanism, a fixing hole is provided on the punch seat, and a locking hole communicating with the fixing hole is provided on a side wall of the punch seat; A punch, one end of which is inserted into the fixing hole; A locking component, one end of which is inserted into the fixing hole and abuts against the side wall of the punch; A lower mold mechanism, the lower mold mechanism is located below the upper mold mechanism, and a first mounting groove is provided on the lower mold mechanism; A concave plate insert, the concave plate insert is detachably connected in the first mounting groove, and a forming cavity is provided on the concave plate insert; A positioning component is arranged at one end of the concave plate insert, and the concave plate insert is detachably connected in the first installation groove.

2. The adjustable multi-size bending die for sheet metal according to claim 1, characterized in that: The positioning component includes a positioning block and a fixing block. The fixing block is detachably connected to the first mounting groove. A protrusion is provided on one side of the fixing block. The protrusion is pressed on the step surface of the fixing block. One side of the fixing block abuts against the concave plate insert.

3. The adjustable multi-size bending die for sheet metal according to claim 2, characterized in that: The top of the fixing block extends out of the surface of the concave plate insert, and the top of the fixing block has a chamfered surface.

4. The adjustable multi-size bending die for sheet metal according to claim 2, characterized in that: A second mounting groove is provided on one side of the positioning block, and a third mounting groove is provided on the fixing block at a position corresponding to the second mounting groove. One end of the second mounting groove is connected to a spring, and the other end of the spring is connected to the third mounting groove.

5. The adjustable multi-size bending die for sheet metal according to claim 1, characterized in that: The upper die mechanism comprises an upper locking plate, an upper pad, an upper die plate and an upper clamping plate which are arranged from top to bottom, and the punch seat is arranged on the upper clamping plate.

6. The adjustable multi-size bending die for sheet metal according to claim 5, characterized in that: At least one screw hole is provided on the punch seat, and the punch seat is detachably connected to the upper clamping plate via a screw in the screw hole.

7. The adjustable multi-size bending die for sheet metal according to claim 1, characterized in that: The lower mold mechanism includes a lower locking plate, a lower foot, a lower pad and a lower mold plate which are arranged in sequence from bottom to top, and the first mounting groove is arranged on the lower pad.

8. The adjustable multi-size bending die for sheet metal according to claim 1, characterized in that: The locking component is a screw.

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