Cutting, bending and stamping device

Abstract

The utility model discloses a cutting, bending and stamping device which comprises an upper die and a lower die, the upper die moves downwards to be matched with the lower die and is used for stamping a product into a set shape, the upper die comprises an upper die base, a cutting punch, a bending punch and a stripper plate, the upper die base is elastically connected with the stripper plate, the cutting punch and the bending punch are installed on the upper die base, and the stripper plate is connected with the cutting punch. The cutting-off punch and the bending punch penetrate through the stripper plate to downwards punch a material belt, an I-shaped tool bit used for profiling trimming and two round hole punches used for punching are integrally designed at the lower end of the cutting-off punch, and profiling notches used for conducting profiling trimming on the tail portion of a previous product and the head portion of a next product are formed in grooves in the two sides of the I-shaped tool bit. And a bending part for bending the head of the product is arranged at the lower end of the bending punch. By means of the mode, profiling trimming and punching can be completed on the tail portion of a previous product and the head portion of a next product at the same time, the bending action of the head portion of the previous product is completed, production efficiency is improved, and the development period of parts is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping part technical field especially, is involved in a kind of cutting off bending stamping device. BACKGROUND

[0002] In recent years, with the increasingly fierce competition of automobile market, major automobile manufacturers in the development research new type of vehicle direction, the sight is directed to the covering piece and relevant stamping piece of automobile itself, processes after stamping piece such as Figure 1 As shown, the four corners of the processed product are all round corners, both ends are provided with round holes, and one end needs to be bent into shape.

[0003] The utility model patent with application number CN201820852673.3 discloses a layer plate end cutting off flanging die frame, which can complete the cutting off and flanging operation of the product in one stamping process, and the cutting off punch and the bending block are designed in a split type, so that only the cutting off and bending actions can be completed, the four corners of the processed product are right angles, and the product is bent into right angles, the both ends of the stamping piece need to be cut off, round corner cutting, punching and single-side bending action in the present application, and the layer plate end cutting off flanging die frame cannot complete the processing requirement of the product, if the layer plate end cutting off flanging die frame is used to process the stamping piece, additional round corner cutting, drilling and other operations need to be performed on the material belt product, which increases the working steps and reduces the production efficiency, and in addition, the die needs sufficient space to install the cutting off punch and the bending block, when the bending edge of the stamping piece is narrow, the cutting off and bending are close, and the upper die has insufficient space to install the cutting knife and the bending block.

[0004] Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a cutting off bending stamping device. UTILITY MODEL CONTENT

[0005] The utility model mainly solves the technical problem to provide a kind of cutting off bending stamping device, can let the tail of last product and the head of next product complete profiling cutting and punching at the same time, at the same time, bending punch completes the bending action of the head of last product, improves production efficiency, shortens the part development cycle.

[0006] To solve the above technical problems, the utility model adopts one technical scheme, which provides a cutting and bending stamping device, the cutting and bending stamping device includes an upper die and a lower die, the upper die moves downward and cooperates with the lower die, and is used for stamping a product into a set shape, the upper die includes an upper die seat, a cutting punch, a bending punch and a stripper plate, the upper die seat is elastically connected with the stripper plate, the cutting punch and the bending punch are installed on the upper die seat, the cutting punch and the bending punch pass through the stripper plate and downward stamp the material belt, the lower end of the cutting punch is integrally designed with a H-shaped tool bit for profiling trimming and two round hole punches for punching, profiling notches for profiling trimming of the tail of a previous product and the head of a next product are arranged at both sides of the H-shaped tool bit, and the lower end of the bending punch is provided with a bending part for bending the head of the product.

[0007] Preferably, the profiling notches include straight notches and round corner notches on both sides of the straight notches, and the two round corner notches and the straight notches are in C shape.

[0008] Preferably, the round hole punches are symmetrically arranged on both sides of the H-shaped tool bit, the front round hole punch is used for punching a round hole of the tail of the previous product, and the rear round hole punch is used for punching a round hole of the head of the next product.

[0009] Preferably, the bending part and the connecting part between the bending punch and the bottom are provided with a first bending arc surface for preventing scratches on the material belt, and a second bending arc surface for pressing out a round corner is arranged at a right angle of the bending part.

[0010] Preferably, the upper die further includes an unloading bolt, the upper die seat is provided with a stepped guide hole, the unloading bolt is movably inserted through the stepped guide hole, and the unloading bolt is tightly connected with the stripper plate after passing through the guide hole.

[0011] Preferably, the upper die further includes nitrogen gas springs, and the stripper plate and the upper die seat are elastically connected through the nitrogen gas springs.

[0012] Preferably, the stripper plate is provided with a tool bit avoiding hole for avoiding the cutting punch, the tool bit avoiding hole is opposite to the cutting punch in the up-down direction, and the stripper plate is further provided with a bending avoiding hole for avoiding the bending punch, and the bending avoiding hole is opposite to the bending punch in the up-down direction.

[0013] Preferably, the lower die includes a lower die seat and a lower die cutter, the lower die cutter is installed on the upper end of the lower die seat, the lower die cutter is vertically provided with a H-shaped cutting hole and two round punching holes, the H-shaped cutting hole is opposite to the H-shaped tool bit in the up-down direction and is matched in shape, and the round punching holes are opposite to the round hole punches in the up-down direction and are matched in shape.

[0014] Preferably, the lower die cutter side end is provided with a bending forming part for cooperating with the bending part, and the bending forming part has a contact round corner cooperating with the second bending arc surface.

[0015] Preferably, the lower die base is provided with a discharge hole communicating with the I-shaped cutting hole and the two circular punching holes, for discharging the cutting and punching waste out of the die.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The I-shaped cutter head of the cutting punch cooperates with the I-shaped cutting hole to complete the profiling trimming of the tail of the previous product and the head of the next product, and the cylindrical punch cooperates with the circular punching hole to complete the punching of the tail of the previous product and the head of the next product;

[0018] The second bending arc surface of the bending part cooperates with the contact round corner to press the head position of the previous product, so that the product is bent to a set radian;

[0019] The cutting punch of the device is integrally designed, and the tail of the previous product and the head of the next product can be simultaneously completed with profiling trimming and punching, and at the same time, the bending punch completes the bending action of the head of the previous product, thereby improving the production efficiency and shortening the part development cycle. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of a processed product.

[0021] Figure 2 It is a sectional structure schematic view of a cutting and bending stamping device.

[0022] Figure 3 It is a structure schematic view of a cutting punch and a bending punch of a cutting and bending stamping device.

[0023] Figure 4 It is a structure schematic view of a lower die cutter of a cutting and bending stamping device.

[0024] 1, upper die; 2, lower die; 3, product; 11, upper die base; 12, cutting punch; 13, nitrogen spring; 14, unloading bolt; 15, bending punch; 16, stripping plate; 110, guide hole; 121, I-shaped cutter head; 122, round hole punch; 1211, straight incision; 1212, round corner incision; 151, bending part; 152, first bending arc surface; 153, second bending arc surface; 160, cutter head avoiding hole; 161, bending avoiding hole; 21, lower die base; 22, lower die cutter; 210, discharge hole; 220, I-shaped cutting hole; 221, circular punching hole; 222, contact round corner. DETAILED DESCRIPTION

[0025] The advantages and features of the utility model can be more easily understood by the person skilled in the art with the preferred embodiments of the utility model described in detail below in combination with the drawings, so that the protection scope of the utility model is defined more clearly and explicitly.

[0026] Please refer to Figures 1 to 4 The utility model embodiment includes:

[0027] A kind of cutting bending stamping device, the cutting bending stamping device includes upper die 1 and lower die 2, material belt is placed on lower die 2, upper die 1 is moved down and cooperates with lower die 2, for cutting off material belt, rounding corner, punching and bending, material belt is stamped into the style as Figure 1 Shown.

[0028] The upper die 1 includes upper die holder 11, cutting punch 12, nitrogen gas spring 13, unloading bolt 14, bending punch 15 and material removal plate 16, the upper die holder 11 is elastically connected with the material removal plate 16, the cutting punch 12 and the bending punch 15 are installed on the upper die holder 11, and the cutting punch 12 and the bending punch 15 pass through the material removal plate 16 and stamp downward material belt.

[0029] The cutting punch 12 lower end extends downward and is provided with a H-shaped tool bit 121 for profiling cutting edge and two round hole punches 122 for punching, the H-shaped tool bit 121 both sides recess are provided with profiling cutout, the profiling cutout includes straight cutout 1211 and round corner cutout 1212 located on both sides of the straight cutout, and the two round corner cutouts 1212 and the straight cutout 1211 are C-shaped, can profile cutting to the tail of last product and the head of next product, the H-shaped tool bit 121 both sides are provided with the round hole punch 122, and the front round hole punch 122 is used for cutting the tail hole of last product, and the rear round hole punch 122 is used for cutting the head hole of next product, the H-shaped tool bit 121 and the two round hole punches 122 are integrally designed, and in the process of moving down, profiling cutting edge is completed while punching is completed.

[0030] The bending punch 15 lower end is provided with bending part 151, the bending part 151 and the bottom connecting place of the bending punch 15 are provided with first bending arc surface 152 for preventing material belt from being scratched, the bending part 151 right angle is provided with second bending arc surface 153 for pressing out round angle, the bending punch 15 moves downward, the bending part 151 contacts with the upper end surface of product 3 to be processed, and the downward force of the bending punch 15 makes one side of product 3 bend downward, the bending punch 15 continues to move downward, the second bending arc surface 153 cooperates with lower die 2 and presses product 3 tightly, so that product 3 is bent into the set radian.

[0031] The upper die base 11 is provided with a stepped guide hole 110, and a stripping bolt 14 is movably inserted into the stepped guide hole 110. The stripping bolt 14 is fastened to a stripping plate 16 after passing through the guide hole 110. The stripping plate 16 is elastically connected to the upper die base 11 by a plurality of nitrogen gas springs 13. When the mold is closed, the upper die base 11 moves downward together with the stripping plate 16. The stripping plate 16 first presses the product 3 placed on the lower die 2. After being pressed, the nitrogen gas springs 13 are compressed. At the same time, the upper die base 11 drives the cutting punch 12 and the bending punch 15 to continue to move downward. The stripping bolt 14 moves relatively in the guide hole 110 to play a guiding role.

[0032] The stripping plate 16 is provided with a cutter head avoiding hole 160 through which the cutting punch 12 passes and a bending avoiding hole 161 through which the bending punch 15 passes. The cutter head avoiding hole 160 corresponds to the upper and lower positions of the cutting punch 12, and the bending avoiding hole 161 corresponds to the upper and lower positions of the bending punch 15.

[0033] The lower die 2 includes a lower die base 21 and a lower die cutter 22. The lower die cutter 22 is vertically provided with an I-shaped cutting hole 220 and two circular punching holes 221. The I-shaped cutting hole 220 corresponds to the upper and lower positions of the I-shaped cutter head 121 and is matched in shape. The circular punching hole 221 corresponds to the upper and lower positions of the cylindrical punch 122 and is matched in shape. The lower die cutter 22 is provided with a bending forming part at the side end for cooperation with the bending part 151. The bending forming part is provided with an abutting round corner 222 at the right angle for cooperation with the second bending arc surface 153.

[0034] The lower die base 21 is provided with a discharge hole 210 communicating with the I-shaped cutting hole 220 and the two circular punching holes 221. The discharge hole 210 allows the cutting and punching waste to be discharged from the mold.

[0035] When the cutting, bending and stamping device of this utility model is working, the mold is closed: the upper mold base 11 moves downward together with the stripper plate 16. The stripper plate 16 first presses down on the product to be processed 3 placed on the lower mold cutter 22. After pressing, the nitrogen spring 13 is compressed. At the same time, the upper mold base 11 drives the cutting punch 12 and the bending punch 15 to continue to move downward. The unloading bolt 14 moves relative to each other in the guide hole 110. The cutting punch 12 and the bending punch 15 continue to move downward through the corresponding cutter head clearance hole 160 and bending clearance hole 161 on the stripper plate 16. The I-shaped cutter head 121 cooperates with the I-shaped cutting hole 220 to cut the tail of the previous product and The head of the next product is cut to conform to the shape. The cylindrical punch 122 and the circular punch 221 cooperate to complete the punching of the tail of the previous product and the punching of the head of the next product. At the same time, the second bending arc surface 153 of the bending part 151 cooperates with the abutment round corner 222 to press the head of the previous product 3, so that the product 3 is bent into the set arc. Mold opening: The upper mold base 11 moves upward with the cutting punch 12 and the bending punch 15 until the compression of the nitrogen spring 13 is completed. At this time, the cutting punch 12 and the bending punch 15 have completely separated from the product 3. Then the upper mold base 11 continues to move upward to drive the stripper plate 16 to move upward and release the product 3.

[0036] This utility model discloses a cutting, bending, and stamping device with an integrated cutting punch design. This allows the tail of the previous product and the head of the next product to be simultaneously cut and punched. At the same time, the bending punch completes the bending action of the head of the previous product, thereby improving production efficiency and shortening the parts development cycle.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A cutting and bending and stamping device comprising an upper die (1) and a lower die (2), the upper die (1) being lowered to cooperate with the lower die (2) for stamping a product (3) into a set shape, characterized in that: The upper die (1) comprises an upper die seat (11), a cutting punch (12), a bending punch (15) and a stripper plate (16), the upper die seat (11) is elastically connected with the stripper plate (16), the cutting punch (12) and the bending punch (15) are installed on the upper die seat (11), the cutting punch (12) and the bending punch (15) punch downward on the material belt through the stripper plate (16), the lower end of the cutting punch (12) is integrally designed with an I-shaped tool head (121) for profiling trimming and two round hole punches (122) for punching, profiling notches for profiling trimming of the tail of the previous product and the head of the next product are arranged at the both sides of the I-shaped tool head (121), and the lower end of the bending punch (15) is provided with a bending part (151) for bending the head of the product (3).

2. A cutting, bending and stamping apparatus according to claim 1, characterized in that: The profiling notches comprise straight notches (1211) and round corner notches (1212) arranged at the both sides of the straight notches, and the two round corner notches (1212) and the straight notches (1211) are in C shape.

3. The apparatus according to claim 1, wherein: The round hole punches (122) are symmetrically arranged at the both sides of the I-shaped tool head (121), the front round hole punch (122) is used for punching the tail hole of the previous product, and the rear round hole punch (122) is used for punching the head hole of the next product.

4. The apparatus of claim 1 wherein: The bending part (151) and the bottom connecting part of the bending punch (15) are provided with a first bending arc surface (152) for preventing scratching of the material belt, and the right angle part of the bending part (151) is provided with a second bending arc surface (153) for pressing out a round corner.

5. The apparatus of claim 1 wherein: The upper die (1) further comprises an unloading bolt (14), the upper die seat (11) is provided with a stepped guide hole (110), the unloading bolt (14) is movably inserted through the stepped guide hole (110), and the stripper plate (16) is tightly connected after the unloading bolt (14) passes through the guide hole (110).

6. The apparatus of claim 1 wherein: The upper die (1) further comprises nitrogen gas springs (13), and the stripper plate (16) is elastically connected with the upper die seat (11) through the nitrogen gas springs (13).

7. The apparatus of claim 1 wherein: The stripper plate (16) is provided with a tool head avoiding hole (160) for avoiding the cutting punch (12), the tool head avoiding hole (160) is opposite to the cutting punch (12) in the vertical direction, and the stripper plate (16) is further provided with a bending avoiding hole (161) for avoiding the bending punch (15), and the bending avoiding hole (161) is opposite to the bending punch (15) in the vertical direction.

8. The apparatus of claim 1 wherein: The lower die (2) comprises a lower die seat (21) and a lower die cutter (22), the lower die cutter (22) is installed on the upper end of the lower die seat (21), the lower die cutter (22) is vertically provided with an I-shaped cutting hole (220) and two round punching holes (221), the I-shaped cutting hole (220) is opposite to the I-shaped tool head (121) in the vertical direction and is matched in shape, and the round punching holes (221) are opposite to the round hole punches (122) in the vertical direction and are matched in shape.

9. A blanking and bending press according to claim 8, characterized in that: The lower die cutter (22) is provided with a bending forming part for cooperating with the bending part (151), and the bending forming part is provided with an abutting round corner (222) matched with the second bending arc surface (153) at the right angle part.

10. The apparatus of claim 8 wherein: The lower die base (21) is provided with a discharge hole (210) communicated with the I-shaped cutting hole (220) and two circular punching holes (221) for discharging the cutting and punching waste materials from the die.

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