Stamping die convenient for blanking

Abstract

The utility model relates to the technical field of stamping dies, in particular to a stamping die convenient to discharge, which comprises an upper die plate and a lower die plate, the upper die plate comprises a connecting block, an upper die base and an upper die clamping plate which are sequentially arranged from top to bottom, and a first cutter is mounted at the lower end of the upper die clamping plate in a protruding manner; the lower die plate comprises a lower die clamping plate, a lower die base, a lower foot pad and a lower supporting plate which are sequentially arranged from top to bottom, the lower die clamping plate is connected to the upper portion of the lower die base in a protruding mode, a female die groove is formed in the lower die clamping plate, and the first cutter is inserted into the female die groove and used for punching a workpiece. An air cylinder is fixedly installed on the lower die base, a movable rod is fixedly installed on a piston rod of the air cylinder and slidably installed in the lower die base and the lower die clamping plate, and the end, away from the air cylinder, of the movable rod abuts against the bottom of the workpiece. After stamping is completed, the air cylinder drives the movable rod to move upwards, the end, away from the air cylinder, of the movable rod jacks the workpiece upwards, the workpiece is separated from the lower die clamping plate, follow-up workpiece discharging is facilitated, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of stamping dies, in particular to a stamping die facilitating blanking. BACKGROUND

[0002] The stamping die is a tool widely used in industrial production, and is mainly used for processing and deforming metal or non-metal plates to obtain required shapes and sizes.

[0003] The basic principle of the stamping die is that metal or non-metal plates are placed in the working cavity of the die through the up-down movement of the die and the pressure action of the stamping machine, and the stamping process is adopted, so that the metal or non-metal plates are subjected to the restriction of the profile and size requirements, and plastic deformation occurs, thereby obtaining the required stamping parts.

[0004] After stamping, the workpiece is usually closely attached to the lower die plate, and due to the relatively large weight of some workpieces, it is inconvenient for workers to take the processed workpiece off the lower die plate. CONTENT OF THE INVENTION

[0005] In order to facilitate the blanking of the workpiece after stamping, the application provides a stamping die facilitating blanking.

[0006] The stamping die facilitating blanking provided by the application adopts the following technical scheme:

[0007] The stamping die facilitating blanking comprises an upper die plate and a lower die plate, the upper die plate comprises a connecting block, an upper die seat and an upper die clamping plate which are sequentially arranged from top to bottom, the connecting block is fixed on the upper die seat, the connecting block is used for fixed connection with a stamping device, elastic pads are fixedly connected between the upper die seat and the upper die clamping plate, and a first cutting knife is protrusively installed at the lower end of the upper die clamping plate; the lower die plate comprises a lower die clamping plate, a lower die seat, a lower pad foot and a lower supporting plate which are sequentially arranged from top to bottom, the lower pad foot is fixedly connected between the lower die clamping plate and the lower supporting plate, and the lower supporting plate is fixedly connected with the stamping device; the lower die clamping plate is protrusively connected above the lower die seat, a die groove is formed in the lower die clamping plate, the first cutting knife is inserted into the die groove and used for stamping the workpiece, a gas cylinder is fixedly installed on the lower die seat, a movable rod is fixedly installed on the piston rod of the gas cylinder, and the movable rod is slidingly installed in the lower die seat and the lower die clamping plate; and the end of the movable rod away from the gas cylinder abuts against the bottom of the workpiece.

[0008] By adopting the technical scheme, the workpiece is placed on the lower die clamping plate, the upper die clamping plate moves towards the lower die plate under the driving of the stamping equipment, the first cutting knife acts on the workpiece and is inserted into the concave die groove, and stamping of the workpiece is realized; after stamping is completed, the workpiece and the lower die clamping plate are closely attached to each other, the cylinder starts to work, the piston rod of the cylinder drives the movable rod to move upwards, the end of the movable rod away from the cylinder lifts the workpiece upwards, so that the workpiece and the lower die clamping plate are separated from each other, facilitating subsequent workpiece discharging and improving production efficiency.

[0009] Optionally, the end of the movable rod away from the cylinder is provided with an elastic buffer head, the end of the elastic buffer head is semicircular, and the elastic buffer head abuts against the bottom of the workpiece.

[0010] By adopting the technical scheme, the elastic buffer head has a certain buffering effect, and the semicircular end can disperse the impact force, reduce the local pressure, and reduce the damage of the movable rod to the workpiece.

[0011] Optionally, a plurality of cylinders are arranged, and the plurality of cylinders are all arranged in the lower die seat.

[0012] By adopting the technical scheme, the plurality of cylinders simultaneously act on the bottom of the workpiece, so that the stress of the workpiece is more uniform, and the production efficiency is effectively improved.

[0013] Optionally, a discharging hole for dropping waste is arranged on the lower die seat, and the discharging hole is in communication with the cavity of the concave die groove.

[0014] By adopting the technical scheme, the waste cut by the first cutting knife falls on the lower supporting plate through the discharging hole, and it is not necessary to remove the cut waste every time, so that the production efficiency is effectively improved.

[0015] Optionally, a second cutting knife is arranged at the lower end of the upper die clamping plate, the side of the lower die clamping plate corresponds to the shape of the second cutting knife, and the second cutting knife is used for stamping the side of the workpiece.

[0016] By adopting the technical scheme, when the first cutting knife punches the workpiece, the second cutting knife simultaneously stamps the side of the workpiece to form a required shape, so that the steps of workpiece processing are reduced, and the production efficiency is improved.

[0017] Optionally, a discharging guide plate is fixedly connected to the side of the lower die seat, one end of the discharging guide plate is fixedly connected to the side wall of the lower die clamping plate, and the discharging guide plate is downwardly inclined.

[0018] By adopting the technical scheme, the discharging guide plate is fixed to the side of the lower die seat and is used for collecting the waste cut by the second cutting knife; and the discharging guide plate is downwardly inclined, so that the waste can fall down from the inclined surface, and manual work is saved.

[0019] Optionally, the upper side of the lower die seat is provided with a plurality of outer guide sleeves, the lower side of the upper die seat is provided with a plurality of outer guide columns, the outer guide sleeves and the outer guide columns correspond one by one in position and number, and the outer guide columns are inserted into the outer guide sleeves during clamping.

[0020] By adopting the above technical scheme, the outer guide column is inserted into the corresponding outer guide sleeve during clamping, which is used for guiding the upper die plate and the lower die plate, and ensures the accuracy of the relative position of the upper die plate and the lower die plate during clamping.

[0021] Optionally, the upper side of the lower die seat is provided with a plurality of lower limit columns, and the lower side of the upper die seat is provided with a plurality of upper limit columns, and the lower end of the upper limit column abuts against the upper end of the lower limit column during clamping.

[0022] By adopting the above technical scheme, the lower end of the upper limit column abuts against the upper end of the lower limit column, which can control the height of clamping and prevent the damage of the stamping die or the workpiece due to the incorrect setting of the clamping height, thereby protecting the stamping die and the workpiece.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By arranging the air cylinder, when the stamping is completed, the workpiece and the lower die clamp plate are closely attached to each other, the air cylinder starts to work, the piston rod of the air cylinder drives the movable rod to move upward, the end of the movable rod away from the air cylinder lifts the workpiece upward, so that the workpiece and the lower die clamp plate are separated from each other, which is convenient for the subsequent discharging of the workpiece and improves the production efficiency.

[0025] 2. By arranging the first cutter and the second cutter, the hole structure is formed in the workpiece by stamping, and the workpiece is stamped on the side, and the excess part is cut off, which can reduce the steps of workpiece processing and improve the production efficiency.

[0026] 3. By arranging the discharging guide plate, the discharging guide plate is used for collecting the waste cut by the second cutter; and the discharging guide plate is inclined downward, so that the waste can fall down from the inclined slope, thereby saving labor. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic view of the upper die plate and the lower die plate during clamping in the embodiment of the present application;

[0028] Figure 2 is the structure schematic view of the upper die plate, the workpiece and the lower die plate in the embodiment of the present application;

[0029] Figure 3 is the structure schematic view of the first cutter and the second cutter in the upper die plate in the embodiment of the present application;

[0030] Figure 4 is the sectional view of the lower die plate in the embodiment.

[0031] Fig. 1, upper die plate; 11, connecting block; 12, upper die holder; 121, outer guide column; 122, upper limit column; 13, upper die clamp plate; 131, first cutter; 132, second cutter; 14, elastic pad; 2, lower die plate; 21, lower die clamp plate; 211, die groove; 22, lower die holder; 221, discharge hole; 222, discharge guide plate; 223, outer guide sleeve; 224, lower limit column; 23, lower foot; 24, lower support plate; 25, air cylinder; 251, cylinder barrel; 252, movable rod; 253, elastic buffer head; 3, workpiece. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings. Figures 1-4 The application is further described in detail.

[0033] The embodiment of the application discloses a stamping die facilitating blanking, which refers to Figure 1 and Figure 2 , comprising an upper die plate 1 and a lower die plate 2, the upper die plate 1 is located above the lower die plate 2, the upper die plate 1 is fixedly connected with a stamping device above, the lower die plate 2 is fixedly connected with the stamping device below, and a workpiece 3 is placed on the lower die plate 2. In work, the upper die plate 1 moves towards the lower die plate 2 under the driving of the stamping device, the upper die plate 1 and the lower die plate 2 act on the workpiece 3 to stamp the workpiece 3, so that the workpiece 3 forms a required shape.

[0034] Referring to Figure 2 and Figure 3 , the upper die plate 1 comprises six connecting blocks 11, an upper die holder 12 and an upper die clamp plate 13 arranged in sequence from top to bottom, the six connecting blocks 11 are fixedly connected in parallel above the upper die holder 12, and the six connecting blocks 11 are used for fixedly connecting the upper die plate 1 in the stamping device; the elastic pad 14 is fixedly connected between the upper die holder 12 and the upper die clamp plate 13; the lower end of the upper die clamp plate 13 abuts against the upper end of the workpiece 3, and the upper die clamp plate 13 cooperates with the lower die plate 2 to be used for stamping the workpiece 3.

[0035] The first cutter 131 and the second cutter 132 are respectively protrudingly installed at the lower end of the upper die clamp plate 13, the first cutter 131 is located in the middle part of the upper die holder 12, and the first cutter 131 is used for stamping the middle part of the workpiece 3, so that a hole structure is formed on the workpiece 3; the second cutter 132 corresponds to the circumferential side of the workpiece 3 respectively, and the second cutter 132 is used for stamping the circumferential side of the workpiece 3, so that a required shape is formed on the circumferential side of the workpiece 3. In the embodiment, the first cutter 131 is provided with seven; the second cutter 132 is provided with four, and the four second cutters 132 correspond to four corners of the workpiece 3 respectively.

[0036] The lower die plate 2 comprises, from top to bottom, a lower die clamp plate 21, a lower die seat 22, lower pads 23 and a lower support plate 24, the lower die seat 22 and the lower support plate 24 are arranged in parallel, a plurality of lower pads 23 are vertically installed between the lower die seat 22 and the lower support plate 24, and the plurality of lower pads 23 are arranged in parallel, and there is a gap between adjacent two lower pads 23 to facilitate the falling of the waste generated by stamping; the lower die clamp plate 21 is protrudingly fixed above the lower die seat 22, and the shape of the lower die clamp plate 21 matches that of the upper die clamp plate 13, and the lower end of the workpiece 3 abuts against the upper end of the lower die clamp plate 21; the lower support plate 24 is fixedly connected with the stamping equipment.

[0037] A plurality of die grooves 211 are formed in the middle of the lower die clamp plate 21, and the axis of the die groove 211 is perpendicular to the lower die clamp plate 21; the die groove 211 corresponds to the position, shape and number of the first cutting knife 131 one by one, and when the mold is closed, the first cutting knife 131 is inserted into the corresponding die groove 211 to realize cutting of the corresponding position of the workpiece 3. A plurality of discharge holes 221 are formed in the upper die seat 22, and the axis of the discharge hole 221 is perpendicular to the lower die seat 22; the discharge hole 221 corresponds to the number and position of the die groove 211 one by one, and the discharge hole 221 is connected with the cavity of the die groove 211, so that the waste cut by the first cutting knife 131 falls on the lower support plate 24 through the die groove 211 and the discharge hole 221.

[0038] The four corners of the lower die clamp plate 21 correspond to the position and shape of the second cutting knife 132 one by one, and when the mold is closed, the second cutting knife 132 cooperates with the lower die clamp plate 21 to realize stamping of the side of the workpiece 3. The lower die seat 22 is provided with a discharge guide plate 222 at each corner, one end of the discharge guide plate 222 is connected to the side wall of the lower die clamp plate 21, and the discharge guide plate 222 is inclined downward to collect the waste cut by the second cutting knife 132 and fall from the lower die seat 22.

[0039] Referring to Figure 3 and Figure 4The lower side of the lower die seat 22 is fixedly provided with a gas cylinder 25, the cylinder barrel 251 of the gas cylinder 25 abuts against the bottom of the lower die seat 22, the piston rod of the gas cylinder 25 is fixedly provided with a movable rod 252, the movable rod 252 penetrates the lower die seat 22 and the lower die clamping plate 21 in sequence and extends out from the upper end of the lower die clamping plate 21, and the movable rod 252 can slide up and down in the lower die seat 22 and the lower die clamping plate 21, and the end of the movable rod 252 away from the gas cylinder 25 is provided with a flexible elastic buffer head 253, the end of the elastic buffer head 253 is semicircular, and the elastic buffer head 253 abuts against the bottom of the workpiece 3. When the upper die seat 12 and the lower die seat 22 complete stamping, the gas cylinder 25 drives the movable rod 252 to move upward, the elastic buffer head 253 acts on the bottom of the workpiece 3, the workpiece 3 is lifted upward, the workpiece 3 and the lower die clamping plate 21 are separated from each other, and the subsequent workpiece 3 is blanked. In the embodiment, four gas cylinders 25 are arranged, and the four gas cylinders 25 are arranged at four corners of the lower die clamping plate 21, so that the workpiece 3 bears force more uniformly.

[0040] With reference to Figure 2 and Figure 3 , four outer guide sleeves 223 are fixedly connected to the four corners of the lower die seat 22, and four outer guide columns 121 are arranged on the lower side of the upper die seat 12, the positions of the outer guide sleeves 223 and the outer guide columns 121 correspond to each other; during die closing, the outer guide columns 121 are inserted into the corresponding outer guide sleeves 223, which is used for guiding the upper die plate 1 and the lower die plate 2, and ensures the accuracy of the relative position of the upper die plate 1 and the lower die plate 2 during die closing.

[0041] The four corners of the lower die seat 22 are also fixedly connected with four lower limit columns 224, and the four lower limit columns 224 are all located above the lower pad 23; the lower side of the upper die seat 12 is correspondingly provided with four upper limit columns 122; during die closing, the lower end of the upper limit column 122 abuts against the upper end of the lower limit column 224, which is used for controlling the height of die closing, preventing the stamping die or the workpiece 3 from being damaged due to incorrect die closing height, and protecting the stamping die and the workpiece 3.

[0042] The implementation principle of the stamping die facilitating blanking disclosed in the embodiment is as follows: the workpiece 3 is placed on the lower die clamping plate 21, the upper die clamping plate 13 moves towards the lower die plate 2 under the driving of the stamping equipment, the first cutter 131 acts on the workpiece 3 and is inserted into the corresponding die groove 211, and the stamping of the workpiece 3 is realized; after the stamping is completed, the workpiece 3 is closely attached to the lower die clamping plate 21, the gas cylinder 25 starts to work, the piston rod of the gas cylinder 25 drives the movable rod 252 to move upward, the end of the movable rod 252 away from the gas cylinder 25 lifts the workpiece 3 upward, the workpiece 3 and the lower die clamping plate 21 are separated from each other, the blanking of the subsequent workpiece 3 is facilitated, and the production efficiency is improved.

[0043] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A press die facilitating material blanking, characterized by, The utility model provides a stamping device, including upper template (1) and lower template (2), the upper template (1) includes the connecting block (11) that sets gradually from top to bottom, upper die holder (12) and upper die clamping plate (13), the connecting block (11) is fixed on upper die holder (12), the connecting block (11) is used for fixed connection with stamping equipment, and the upper die holder (12) and upper die clamping plate (13) are fixedly connected with elastic pad block (14), the first cutting knife (131) is protrusly installed in the lower end of upper die clamping plate (13), the lower template (2) includes lower die clamping plate (21), lower die holder (22), lower skid (23) and lower bolster plate (24) that sets gradually from top to bottom, the lower skid (23) is fixedly connected between lower die clamping plate (21) and lower bolster plate (24), and the lower bolster plate (24) is fixedly connected with stamping equipment, the lower die clamping plate (21) is protrusly connected above lower die holder (22), and the recessed die groove (211) is seted in lower die clamping plate (21), and the first cutting knife (131) is inserted in recessed die groove (211) and is used for stamping workpiece (3), the lower die holder (22) is fixedly installed with cylinder (25), the piston rod of cylinder (25) is fixedly installed with movable rod (252), and movable rod (252) is slidably installed in lower die holder (22) and lower die clamping plate (21), and the end of movable rod (252) away from cylinder (25) is abutted to the bottom of workpiece (3).

2. The stamping die facilitating blanking according to claim 1, wherein, The end of movable rod (252) away from cylinder (25) is installed with elastic buffer head (253), and the end of elastic buffer head (253) is semicircular, and the elastic buffer head (253) is abutted to the bottom of workpiece (3).

3. The stamping die facilitating blanking according to claim 2, wherein, The cylinder (25) is provided with a plurality of cylinders (25), and the plurality of cylinders (25) are installed in the lower die holder (22).

4. The stamping die facilitating blanking according to claim 1, wherein, The lower die holder (22) is provided with a discharge hole (221) for falling waste, and the discharge hole (221) is communicated with the cavity of the recessed die groove (211).

5. The stamping die facilitating blanking according to claim 1, wherein, The lower end of the upper die clamping plate (13) is provided with a second cutting knife (132), and the side of the lower die clamping plate (21) corresponds to the shape of the second cutting knife (132), and the second cutting knife (132) is used for stamping the side of the workpiece (3).

6. The stamping die facilitating blanking according to claim 5, wherein, The lower die holder (22) is fixedly connected with a discharge guide plate (222), one end of the discharge guide plate (222) is fixedly connected to the side wall of the lower die clamping plate (21), and the discharge guide plate (222) is inclined downward.

7. The stamping die facilitating blanking according to claim 1, wherein, The upper side of the lower die holder (22) is provided with a plurality of outer guide sleeves (223), the lower side of the upper die holder (12) is provided with a plurality of outer guide columns (121), the positions and quantities of the outer guide sleeves (223) and the outer guide columns (121) correspond one by one, and when the mold is closed, the outer guide columns (121) are inserted into the outer guide sleeves (223).

8. The stamping die facilitating blanking according to claim 1, wherein, The upper side of the lower die holder (22) is provided with a plurality of lower limit columns (224), and the lower side of the upper die holder (12) is provided with a plurality of upper limit columns (122), and when the mold is closed, the lower end of the upper limit column (122) is abutted to the upper end of the lower limit column (224).

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