Blanking die

Abstract

The utility model relates to the technical field of die processing, in particular to a blanking die which comprises an upper die assembly and a lower die assembly arranged at the lower end of the upper die assembly, the lower die assembly comprises a lower die plate, a bending and shaping assembly and a lower base plate, the bending and shaping assembly comprises a fixing block and a cutter, the upper end of the fixing block is fixedly connected with the lower die plate, and the lower end of the cutter is fixedly connected with the lower die plate. The lower end of the fixing block is fixedly connected with the lower base plate, one end of the cutter piece is detachably connected with the fixing block, and the other end of the cutter piece protrudes outwards along the lower end face of the lower die plate. The blanking die is simple in structure and saves labor cost, the protruding length of the cutter piece relative to the lower die plate is equal to the length of the bent edge of the workpiece, the cutter piece is detachably connected with the fixing block, compared with the prior art, the whole die does not need to be detached, the cutter piece can be easily detached, time and labor are saved, and the work efficiency is improved. The protruding length of the cutter relative to the lower die plate can be adjusted according to the requirement for the length of the bent edge of the workpiece, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of mold processing, in particular to a blanking mold. Background Art

[0002] At present, molds play an important role in modern industrial production and are an important factor in the development of modern industrial products and the improvement of technological level. Therefore, the mold industry will play an increasingly important role in the development of the national economy and society. The level of mold manufacturing and the quality of molds play a decisive role in the accuracy, productivity and cost of products.

[0003] Sometimes when customers have other requirements for the length of the bending edge of the product or there are problems with the actual configuration, improvements need to be made based on the confirmed mold. The entire set of molds needs to be removed from the punch press, and then the knife block used to cut the bending edge in the mold needs to be removed for grinding or adding gaskets to improve the length of the product's bending edge punching, which is time-consuming and labor-intensive.

[0004] At the same time, the prior art discloses a bending and shaping stamping die with application number 201610054797.2, which includes an upper die and a lower die. The upper die is connected with an upper support plate, an upper pad, an upper die seat, an upper pad, an upper clamping plate and an upper stripping plate from top to bottom in sequence, and the lower die is connected with a lower support plate, a lower pad, a lower die seat, a lower pad, a lower clamping plate and a lower stripping plate from bottom to top in sequence. Upper die folding blocks are arranged on both sides of the upper stripping plate, and an upper die knife is arranged on one side of the upper die folding block. Shaping blocks are arranged on both sides of the upper stripping plate, and the shaping blocks are connected to a spring a fixedly installed on the upper die seat through a hitting rod; lower stripping plate entry blocks are arranged on both sides of the lower stripping plate, and the lower stripping plate entry blocks cooperate with the upper die folding blocks. This die can effectively complete the process of side bending of the workpiece, and shape the workpiece at the same time, ensuring that the bending accuracy after forming meets the process requirements, and it is easy to operate, efficient, reduces production costs, and reduces labor output.

[0005] And from the above-mentioned bending shaping stamping die attachment Figure 1 It can be seen that the upper die knife is connected to the upper pad by a fastener, and the upper end of the fastener passes through the upper die knife and the upper pad in sequence, which often makes it inconvenient to disassemble the upper die knife. If the entire mold is not disassembled, and the fastener is simply removed from the upper die knife, it will cause the upper die knife to fall and injure the operator during the disassembly process, endangering the operator's safety; and if the entire mold is disassembled and then the fastener is disassembled, although the safety of the operator is guaranteed, it is time-consuming and labor-intensive. Summary of the invention

[0006] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a blanking mold that is easy to use, highly practical, and saves time and effort.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] A blanking mold comprises an upper mold assembly and a lower mold assembly arranged at the lower end of the upper mold assembly, the lower mold assembly comprises a lower mold plate, a bending and shaping assembly and a lower pad, the bending and shaping assembly comprises a fixed block and a knife piece, the upper end of the fixed block is fixedly connected to the lower mold plate, the lower end of the fixed block is fixedly connected to the lower pad, one end of the knife piece is detachably connected to the fixed block, and the other end of the knife piece protrudes outward along the lower end surface of the lower mold plate.

[0009] Furthermore, the blade element includes a first blade block and two second blade blocks arranged in parallel, both ends of the first blade block are provided with third blade blocks clamped with the first blade block, and one end of the two second blade blocks are respectively clamped with the two third blade blocks.

[0010] Furthermore, a first card slot is provided at an end of the first blade block close to the corresponding third blade block, a first card block extends from the third blade block into the first card slot, and the first card block is plugged into the first card slot; a second card slot is provided at one end of the second blade block close to the corresponding third blade block, a second card block extends from the third blade block into the second card slot, and the second card block is plugged into the second card slot.

[0011] Furthermore, there are multiple fixing blocks, the inner ends of the first blade block and the second blade block are detachably connected to the multiple fixing blocks respectively, and the outer ends of the first blade block and the second blade block protrude outward along the lower end surface of the lower template respectively.

[0012] Furthermore, the bending and shaping assembly also includes a plurality of first fasteners, which are respectively passed through the first knife block and the second knife block and extend into the corresponding fixed block, and the fixed block, the first knife block and the second knife block are all detachably connected to the first fasteners.

[0013] Furthermore, the bending and shaping assembly also includes a plurality of second fasteners, which are respectively passed through the first knife block and the second knife block and extend into the lower pad, and the first knife block, the second knife block and the lower pad are all detachably connected to the second fasteners.

[0014] Furthermore, the lower die assembly also includes a lower die base, and the upper end of the lower die base is connected to the lower end of the lower pad.

[0015] Furthermore, a lower supporting plate is provided at the lower end of the lower die base.

[0016] Furthermore, the lower mold assembly also includes a plurality of spaced-apart feet, the upper ends of the feet are connected to the lower end of the lower mold base, and the lower ends of the feet are connected to the upper end of the lower support plate.

[0017] The beneficial effects of the utility model: the blanking mold of the utility model has a simple structure, is easy to use, and saves labor costs. The length of the knife piece protruding relative to the lower template is the length of the bending edge of the workpiece, and the knife piece is detachably connected to the fixed block. Compared with the prior art, the knife piece can be easily removed without disassembling the entire mold, which saves time and effort. The knife piece can be ground or a gasket can be added to the end of the knife piece away from the cutting edge according to the requirements of the bending edge length of the workpiece to adjust the protruding length of the knife piece relative to the lower template, and the application range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the blanking die;

[0019] Figure 2 It is a top view of the blanking die;

[0020] Figure 3 For along Figure 2 A partial cross-sectional view of line AA;

[0021] Figure 4 For along Figure 2 A partial cross-sectional view of the CC line;

[0022] Figure 5 It is a schematic diagram of the internal connection of the bending and shaping component;

[0023] Figure 6 It is a connection diagram of the first blade block, the second blade block and the third blade block.

[0024] Reference numerals include:

[0025] 1. Lower template; 2. Fixed block; 3. Knife piece; 31. First knife block; 311. First slot; 32. Second knife block; 321. Second slot; 33. Third knife block; 331. First block; 332. Second block; 4. Lower pad; 5. First fastener; 6. Second fastener; 7. Lower die base; 8. Foot; 9. Lower support plate. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0027] like Figure 1-6As shown, a blanking mold includes an upper mold assembly and a lower mold assembly arranged at the lower end of the upper mold assembly, the lower mold assembly includes a lower mold plate 1, a bending and shaping assembly and a lower pad 4, the bending and shaping assembly includes a fixed block 2 and a knife piece 3, the upper end of the fixed block 2 is fixedly connected to the lower mold plate 1, the lower end of the fixed block 2 is fixedly connected to the lower pad 4, one end of the knife piece 3 is detachably connected to the fixed block 2, and the other end of the knife piece 3 protrudes outward along the lower end surface of the lower mold plate 1.

[0028] The blanking mold of the utility model has a simple structure, is easy to use, and saves labor costs. The lower template 1 is used to place the workpiece, and the outer end of the knife 3 is provided with a cutting edge for cutting materials, and the end of the knife 3 away from the fixed block 2 protrudes outward along the lower end surface of the lower template 1, that is, the cross-section of the combination of the outer end of the lower template 1 and the outer end of the knife 3 is stepped. The protruding length of the knife 3 relative to the lower template 1 is the length of the bending edge of the workpiece, and the knife 3 is detachably connected to the fixed block 2. Compared with the prior art, the knife 3 can be easily removed without disassembling the entire mold, which saves time and effort. According to the requirements of the bending edge length of the workpiece, the knife 3 is ground or a gasket is added to the end of the knife 3 away from the cutting edge to adjust the protruding length of the knife 3 relative to the lower template 1, and the application range is wide.

[0029] Further, the blade 3 includes a first blade block 31 and two second blade blocks 32 arranged in parallel, and both ends of the first blade block 31 are provided with third blade blocks 33 clamped with the first blade block 31, and one end of the two second blade blocks 32 are respectively clamped with the two third blade blocks 33. The first blade block 31, the two second blade blocks 32 and the two third blade blocks 33 are connected to each other to form a U-shaped blade 3, and the third blade block 33 is arranged at the turning point of the annular blade 3, and one end of the third blade block 33 is clamped with the first blade block 31, and the other end is clamped with the corresponding second blade block 32, so that the two ends of the third blade block 33 respectively fix the first blade block 31 and the second blade block 32, so that the blade 3 will not shift when the workpiece is punched, and the structure is simple and easy to disassemble.

[0030] Further, the first blade block 31 is provided with a first clamping groove 311 at an end thereof close to the corresponding third blade block 33, and the third blade block 33 extends a first clamping block 331 into the first clamping groove 311, and the first clamping block 331 is plugged into the first clamping groove 311; the second blade block 32 is provided with a second clamping groove 321 at one end thereof close to the corresponding third blade block 33, and the third blade block 33 extends a second clamping block 332 into the second clamping groove 321, and the second clamping block 332 is plugged into the second clamping groove 321. The mutual cooperation between the first clamping block 331 and the first clamping groove 311, and the mutual cooperation between the second clamping block 332 and the second clamping groove 321, prevent the first blade block 31, the second blade block 32 and the third blade block 33 from shifting when punching a workpiece. During disassembly, the first blade block 31 and the second blade block 32 are moved out along the upper end surface of the lower pad 4. At this time, the first clamping block 331 is separated from the first groove, and the second clamping block 332 is separated from the second groove, so that the third blade block 33 can be taken out, which is easy to operate.

[0031] Furthermore, there are multiple fixed blocks 2, and the inner ends of the first knife block 31 and the second knife block 32 are respectively detachably connected to the multiple fixed blocks 2, and the outer ends of the first knife block 31 and the second knife block 32 respectively protrude outward along the lower end surface of the lower template 1, that is, the distance that the first knife block 31 protrudes outward along the lower end surface of the lower template 1 is the length of the side bending edge of the workpiece located at the upper end of the first blade, and the distance that the second knife block 32 protrudes outward along the lower end surface of the lower template 1 is the length of the side bending edge of the workpiece located at the upper end of the second blade, which is convenient for adjusting the length of the bending edge of the corresponding side according to the workpiece, and has a wide range of applications.

[0032] Furthermore, the bending and shaping assembly further includes a plurality of first fasteners 5, which are respectively arranged in the first blade block 31 and the second blade block 32 and extend into the corresponding fixed block 2, and the fixed block 2, the first blade block 31 and the second blade block 32 are all detachably connected to the first fasteners 5. That is, one end of the plurality of first fasteners 5 passes through the side wall of the corresponding first blade block 31 and the second blade block 32 and extends into the corresponding fixed block 2, so as to facilitate the horizontal removal of the first fasteners 5 from the side wall of the first blade block 31 and the second blade block 32, and then safely remove the first blade block 31 and the second blade block 32, so as to prevent the first blade block 31 and the second blade block 32 from falling, thereby ensuring the safety of the operator.

[0033] Furthermore, the bending and shaping assembly further includes a plurality of second fasteners 6, which are respectively provided in the first blade block 31 and the second blade block 32 and extend into the lower pad 4, and the first blade block 31, the second blade block 32 and the lower pad 4 are all detachably connected to the second fasteners 6. The plurality of second fasteners 6 are respectively used to fix the first blade block 31 and the second blade block 32 relative to the lower pad 4 to prevent the first blade block 31 and the second blade block 32 from shifting during the punching process of the workpiece.

[0034] When the bending edge length of the workpiece needs to be adjusted, the first knife block 31 and the second knife block 32 are removed from the corresponding fixed block 2. Specifically, the second fastener 6 is firstly taken out along the axial direction of the first knife block 31 and the second knife block 32, and then the first fastener 5 is taken out along the horizontal direction of the first knife block 31 and the second knife block 32. Then, the first knife block 31 and the second knife block 32 are moved out along the upper end surface of the lower pad 4. At this time, the first clamping block 331 is disengaged from the first groove, and the second clamping block 332 is disengaged from the second groove, and the third knife block 33 can be taken out. In this way, the first knife block 31, the second knife block 32 and the third knife block 33 can be safely removed without removing the entire mold. The safety performance is strong and the safety of the operator is ensured.

[0035] Further, the lower die assembly further comprises a lower die base 7, the upper end of which is connected to the lower end of the lower pad 4. The lower die base 7 is used to support the lower die plate 1, so that the lower die plate 1 can withstand external forces and remain stable, thereby extending the life of the die.

[0036] Furthermore, a lower supporting plate 9 is provided at the lower end of the lower die base 7. The lower supporting plate 9 is used to increase the height of the die.

[0037] Furthermore, the lower die assembly further comprises a plurality of spaced feet 8, the upper ends of the feet 8 being connected to the lower end of the lower die base 7, and the lower ends of the feet 8 being connected to the upper end of the lower support plate 9. The feet 8 are used to mount the die and install the die on the punch press. The plurality of feet 8 are spaced apart, i.e., there are gaps between adjacent feet 8, so that the transport tool can transport the die through the gaps, and the operation is convenient.

[0038] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A blanking die, characterized in that: The invention comprises an upper die assembly and a lower die assembly arranged at the lower end of the upper die assembly, wherein the lower die assembly comprises a lower template (1), a bending and shaping assembly and a lower pad (4), wherein the bending and shaping assembly comprises a fixed block (2) and a knife piece (3), wherein the upper end of the fixed block (2) is fixedly connected to the lower template (1), and the lower end of the fixed block (2) is fixedly connected to the lower pad (4), one end of the knife piece (3) is detachably connected to the fixed block (2), and the other end of the knife piece (3) protrudes outward along the lower end surface of the lower template (1).

2. The blanking die according to claim 1, characterized in that: The knife element (3) comprises a first knife block (31) and two second knife blocks (32) arranged in parallel, wherein both ends of the first knife block (31) are provided with third knife blocks (33) which are clamped with the first knife block (31), and one end of the two second knife blocks (32) are respectively clamped with the two third knife blocks (33).

3. The blanking die according to claim 2, characterized in that: The first blade block (31) is provided with a first card slot (311) at an end thereof close to the corresponding third blade block (33); the third blade block (33) extends a first card slot (331) into the first card slot (311); the first card slot (331) is plugged into the first card slot (311); the second blade block (32) is provided with a second card slot (321) at one end thereof close to the corresponding third blade block (33); the third blade block (33) extends a second card slot (332) into the second card slot (321); the second card slot (332) is plugged into the second card slot (321).

4. The blanking die according to claim 2, characterized in that: The number of the fixing blocks (2) is multiple, the inner ends of the first blade block (31) and the second blade block (32) are respectively detachably connected to the multiple fixing blocks (2), and the outer ends of the first blade block (31) and the second blade block (32) respectively protrude outward along the lower end surface of the lower template (1).

5. The blanking die according to claim 2, characterized in that: The bending and shaping assembly further comprises a plurality of first fasteners (5), wherein the plurality of first fasteners (5) are respectively inserted into the first blade block (31) and the second blade block (32) and extend into the corresponding fixed block (2); the fixed block (2), the first blade block (31) and the second blade block (32) are all detachably connected to the first fasteners (5).

6. The blanking die according to claim 2, characterized in that: The bending and shaping assembly further comprises a plurality of second fasteners (6), wherein the plurality of second fasteners (6) are respectively inserted through the first blade block (31) and the second blade block (32) and extend into the lower pad (4); the first blade block (31), the second blade block (32) and the lower pad (4) are all detachably connected to the second fasteners (6).

7. The blanking die according to claim 1, characterized in that: The lower die assembly also includes a lower die base (7), the upper end of the lower die base (7) being connected to the lower end of the lower pad (4).

8. The blanking die according to claim 7, characterized in that: A lower supporting plate (9) is provided at the lower end of the lower die base (7).

9. The blanking die according to claim 8, characterized in that: The lower die assembly further comprises a plurality of spaced-apart pads (8), the upper ends of the pads (8) being connected to the lower end of the lower die base (7), and the lower ends of the pads (8) being connected to the upper end of the lower support plate (9).

Images