Automatic blanking die for sheet metal parts

Abstract

The utility model discloses an automatic blanking die for sheet metal parts, relates to the technical field of blanking dies, and aims to solve the technical problems that a die and a die-cutting knife cannot be replaced at a time and the operation is inconvenient at present, the automatic blanking die comprises a top plate, a bottom plate, a drawing box and a blanking plate, and a material guide mechanism is fixed on the rear side of the upper end face of the bottom plate; a discharging opening is formed in the middle of the upper end face of the bottom plate, supporting blocks are fixed to the two sides of the front end of the bottom plate, the drawing box is slidably installed between the two supporting blocks, a sliding plate is slidably installed at the bottom end of the interior of the drawing box, and a die cutting sheet is embedded in the middle of the sliding plate. And guide rollers are rotationally installed at the two ends of the upper end face of the sliding plate correspondingly, sliding grooves are formed in the two ends of the two sides of the interior of the drawing box correspondingly, the blanking plate is slidably installed on the upper side of the interior of the drawing box, and the top plate is located on the upper side of the supporting block. The die-cutting mechanism has the advantages that the die and the die-cutting knife are convenient to replace due to the pull-out type assembly mechanism, and the operation difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, and more specifically to an automatic punching die for sheet metal parts. Background Art

[0002] Blanking dies are a type of die widely used in the manufacturing industry, mainly used for punching, blanking and cutting of metal sheets into other shapes.

[0003] Continuous blanking dies are typically used to cut complex shapes, requiring multiple steps to complete the cutting process. Depending on the processing requirements, these dies and cutters must be replaced. Existing systems have the dies and cutters separately mounted on the upper and lower dies, making replacement inconvenient. To address this issue, we propose an automated sheet metal blanking die. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet practical needs, and provide an automatic punching die for sheet metal parts to solve the current technical problem of being unable to replace the die and die-cutting knife at one time and causing inconvenient operation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an automatic blanking die for sheet metal parts, comprising a top plate, a bottom plate, a pull-out box and a blanking plate, a material guide mechanism is fixed on the rear side of the upper end surface of the bottom plate, a material unloading port is opened in the middle of the upper end surface of the bottom plate, support blocks are fixed on both sides of the front end of the bottom plate, the pull-out box is slidably installed between the two support blocks, a sliding plate is slidably installed on the inner bottom end of the pull-out box, a die cut sheet is embedded and installed in the middle of the sliding plate, material guide rollers are rotatably installed at both ends of the upper end surface of the sliding plate, slide grooves are opened at both ends on both sides of the inside of the pull-out box, the blanking plate is slidably installed on the inner upper side of the pull-out box, the top plate is located on the upper side of the support block, a stamping plate is provided on the front side of the lower end of the top plate, a hydraulic cylinder is provided on the front side of the upper end of the top plate, and the hydraulic cylinder is connected to the stamping plate.

[0006] The sheet metal of the utility model is guided to the inside of the drawer box by the conveying roller of the material guide mechanism, the sheet metal is limited by the groove of the material guide roller, the hydraulic cylinder is started to drive the stamping plate to descend, the stamping plate impacts the blanking plate, and the blanking plate is lowered, and the cushioning is completed by the cylinder and its spring mechanism, and the die-cutting knife on the lower side of the blanking plate completes the blanking of the sheet metal, and the die-cutting knife is molded with the corresponding notch on the die slice on the sliding plate to complete the cutting of the corresponding shape. In the process of conveying the sheet metal forward, the sheet metal can be cut into the corresponding shape by passing through different sliding plates. After cutting, the finished product passes through the material port on the lower side of the drawer box and then passes through the unloading port. To discharge or replace, pull out the pull-out box, lift the blanking plate upward to complete the separation, and replace the blanking plate and the lower die-cutting knife. After separating the positioning block from the connecting hole, slide the sliding plate outward to complete the replacement of the die-cutting slice. The pull-out box of the assembly mechanism can be pulled out, and the front end of the top plate fits the upper side of the support block, and the hole at the front end of the top plate docks with the upper end of the pillar, and then the top end of the pillar is connected by a locking nut to achieve connection and fixation between the top plate and the pillar. The installation of the top plate is completed by a detachable mechanism, which is convenient for the overall disassembly and maintenance of the hydraulic cylinder and the stamping plate in the later stage.

[0007] Preferably, bases are provided on both sides of the rear end of the bottom plate, and pillars are fixed to the upper ends of the bases, the pillars are connected to the top plate, the pillars are assembled on the bases, and the rear end of the top plate is supported by the pillars.

[0008] Preferably, docking holes are provided on both sides of the rear end of the top plate, and the upper end of the pillar is connected to the docking holes. A positioning screw sleeve is threadedly installed on the top end of the pillar, and the positioning screw sleeve fits the top plate. The positioning screw sleeve is connected to the top of the pillar and cooperates with the docking hole to fix the top plate on the pillar.

[0009] Preferably, conveying rollers are installed on the upper side of the material guiding mechanism through a rotating shaft for equidistant rotation, and the conveying rollers correspond to the material guiding rollers on the upper side of the sliding plate. The sheet metal parts are fed and conveyed through the conveying rollers, and the grooves on the material guiding rollers limit the two sides of the sheet metal parts.

[0010] Preferably, a material port is opened in the middle of the pull-out box, and the material port corresponds to the discharge port and the die-cutting piece. The cutting is completed by closing the die-cutting knife with the notch on the die-cutting piece, and the finished product is discharged through the material port and the discharge port after cutting.

[0011] Preferably, sliders are fixed on both ends of the punching plate, and the sliders are slidably installed in the corresponding slide grooves. The sliding installation of the punching plate is achieved by cooperating with the sliders and the slide grooves, and the punching plate is limited at the same time.

[0012] Preferably, a cylinder is fixed at the bottom end of the slide groove, and the top end of the cylinder is connected to the corresponding slider. A spring is sleeved on the outside of the cylinder, and the top of the spring is connected to the slider. The cylinder cushions the slider that is pressed down. When the kinetic energy of the stamping disappears, the slider is reset by the elasticity of the spring.

[0013] Preferably, the stamping plate corresponds to the blanking plate, the stamping plate is adapted to the pull-out box, the stamping plate is driven down by a hydraulic cylinder, and the stamping plate presses down the blanking plate to realize processing.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The present invention adopts the design of a drawer box structure, wherein the sheet metal is guided to the inside of the drawer box by the conveying roller of the guide mechanism, the sheet metal is limited by the groove of the guide roller, the hydraulic cylinder is started to drive the stamping plate to descend, the stamping plate impacts the blanking plate, the blanking plate is lowered, and the buffering is completed by the cylinder and its spring mechanism, and the die cutting knife on the lower side of the blanking plate completes the blanking of the sheet metal, and the die cutting knife and the corresponding notch on the die slice on the sliding plate are molded to complete the cutting of the corresponding shape. In the process of conveying the sheet metal forward, the sheet metal can be transported through different sliding plates to complete the cutting of the corresponding shape, and the finished product after cutting passes through the material port under the drawer box and is discharged through the discharge port. When replacing, the drawer box is pulled outward, the blanking plate is lifted upward to complete the separation, and the blanking plate and the lower die cutting knife can be replaced. After the positioning block is separated from the connecting hole, the sliding plate is slid outward to complete the replacement of the die slice, and the mold and the die cutting knife can be easily replaced, thereby reducing the difficulty of operation.

[0016] 2. The utility model also designs a pillar structure, the front end of the top plate fits into the upper side of the support block, the hole at the front end of the top plate docks with the upper end of the pillar, and then the top end of the pillar is connected by a locking screw sleeve to achieve the connection and fixation between the top plate and the pillar. The installation of the top plate is completed through a detachable mechanism, which facilitates the overall disassembly and maintenance of the hydraulic cylinder and the stamping plate in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a rear view structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the bottom plate structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the pull-out box structure of the present utility model;

[0021] Figure 5 This is a schematic diagram of the sliding plate structure of the present utility model.

[0022] Explanation of the numbers in the figure: 1. Top plate; 2. Pillar; 3. Base; 4. Bottom plate; 5. Support block; 6. Pull-out box; 7. Positioning block; 8. Hydraulic cylinder; 9. Material guide mechanism; 10. Punching plate; 11. Feeding port; 12. Punching plate; 13. Slider; 14. Sliding plate; 15. Die cutter; 16. Cylinder; 17. Slide; 18. Guide roller. DETAILED DESCRIPTION

[0023] like Figures 1 to 5 As shown, the utility model relates to an automatic blanking die for sheet metal parts, comprising a top plate 1, a bottom plate 4, a pull-out box 6 and a blanking plate 12. A material guide mechanism 9 is fixed to the rear side of the upper end surface of the bottom plate 4. A conveying roller is installed on the upper side of the material guide mechanism 9 through a rotating shaft and is equidistantly rotated. The conveying roller corresponds to the guide roller 18 on the upper side of the sliding plate 14. The sheet metal parts are fed and conveyed by the conveying roller. The grooves on the guide roller 18 limit the two sides of the sheet metal parts. A feeding port 11 is provided in the middle of the upper end surface of the bottom plate 4. Support blocks 5 are fixed on both sides of the front end of the bottom plate 4. The pull-out box 6 is slidably installed between the two support blocks 5. The sliding plate 14 is slidably installed on the bottom end of the pull-out box 6. A die cut piece 15 is embedded in the middle of the movable plate 14, and guide rollers 18 are rotatably installed at both ends of the upper end surface of the sliding plate 14. A material port is opened in the middle of the pull-out box 6, and the material port corresponds to the discharge port 11 and the die cut piece 15. The cutting is completed by closing the die cutter with the notch on the die cut piece 15. After cutting, the finished product is discharged through the material port and the discharge port 11. A cylinder 16 is fixed to the bottom end of the chute 17, and the top of the cylinder 16 is connected to the corresponding slider 13. A spring is sleeved on the outside of the cylinder 16, and the top of the spring is connected to the slider 13. The slider 13 that is pressed down is buffered by the cylinder 16. When the kinetic energy of the stamping disappears, the slider 13 is reset by the elasticity of the spring.

[0024] like Figures 1 to 5As shown, the utility model relates to an automatic blanking die for sheet metal parts, comprising a top plate 1, a bottom plate 4, a pull-out box 6 and a blanking plate 12. Both ends of the inside of the pull-out box 6 are provided with slide grooves 17. The blanking plate 12 is slidably installed on the upper side of the inside of the pull-out box 6. Both ends of the two sides of the blanking plate 12 are fixed with sliders 13, and the sliders 13 are slidably installed in the corresponding slide grooves 17. The sliding installation of the blanking plate 12 is achieved by cooperating with the sliders 13 and the slide grooves 17, and the blanking plate 12 is limited at the same time. The top plate 1 is located on the upper side of the support block 5, and bases 3 are provided on both sides of the rear end of the bottom plate 4, and pillars 2 are fixed on the upper end of the base 3. The pillars 2 are connected to the top plate 1, and the pillars 2 are assembled On the base 3, the rear end of the top plate 1 is supported by the pillar 2, and docking holes are provided on both sides of the rear end of the top plate 1, and the upper end of the pillar 2 is connected to the docking holes. A positioning screw sleeve is threadedly installed on the top end of the pillar 2, and the positioning screw sleeve fits the top plate 1. The positioning screw sleeve is connected to the top of the pillar 2 and cooperates with the docking hole to achieve fixing of the top plate 1 on the pillar 2. A stamping plate 10 is provided on the front side of the lower end face of the top plate 1, and a hydraulic cylinder 8 is provided on the front side of the upper end face of the top plate 1, and the hydraulic cylinder 8 is connected to the stamping plate 10. The stamping plate 10 corresponds to the blanking plate 12. The stamping plate 10 is adapted to the pull-out box 6, and the stamping plate 10 is driven down by the hydraulic cylinder 8. The stamping plate 10 presses down the blanking plate 12 to achieve processing.

[0025] Working principle: This embodiment provides an automatic punching die for sheet metal parts. The sheet metal parts are guided to the inside of the pull-out box 6 through the conveying roller of the guide mechanism 9, and the sheet metal parts are limited by the groove of the guide roller 18. The hydraulic cylinder 8 is started to drive the punching plate 10 to descend. The punching plate 10 impacts the punching plate 12 to make the punching plate 12 descend. The cylinder 16 and its spring mechanism complete the buffering. The die-cutting knife on the lower side of the punching plate 12 completes the punching of the sheet metal parts. The die-cutting knife and the corresponding notch on the die slice 15 on the sliding plate 14 are molded to complete the cutting of the corresponding shape. In the process of conveying the sheet metal parts forward, the corresponding shape cutting can be completed by passing through different sliding plates 14. The finished product after cutting After passing through the lower material port of the pull-out box 6, it is discharged through the discharge port 11. When replacing, pull out the pull-out box 6 by pulling it outward, and lift the punching plate 12 upward to complete the separation. The punching plate 12 and the lower die-cutting knife can be replaced. After separating the positioning block 7 from the connecting hole, slide outward and pull out the sliding plate 14 to complete the replacement of the die-cutting slice 15. The front end of the top plate 1 fits into the upper side of the support block 5, and the hole at the front end of the top plate 1 docks with the upper end of the pillar 2, and then the top end of the pillar 2 is connected by a locking screw sleeve to achieve the connection and fixation of the top plate 1 and the pillar 2. The installation of the top plate 1 is completed by the detachable mechanism, which is convenient for the overall disassembly and maintenance of the hydraulic cylinder 8 and the stamping plate 10 in the later stage.

[0026] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A sheet metal automatic blanking die, comprising a top plate (1), a bottom plate (4), a drawer box (6) and a blanking plate (12), characterized in that: A material guide mechanism (9) is fixed to the rear side of the upper end surface of the bottom plate (4), a material discharge port (11) is provided in the middle of the upper end surface of the bottom plate (4), support blocks (5) are fixed to both sides of the front end of the bottom plate (4), the pull-out box (6) is slidably mounted between the two support blocks (5), a sliding plate (14) is slidably mounted on the inner bottom end of the pull-out box (6), a die cut piece (15) is embedded in the middle of the sliding plate (14), and the sliding plate Both ends of the upper end surface of (14) are rotatably mounted with guide rollers (18), both ends of the inner side of the pull-out box (6) are provided with slide grooves (17), the punching plate (12) is slidably mounted on the inner upper side of the pull-out box (6), the top plate (1) is located on the upper side of the support block (5), a punching plate (10) is provided on the front side of the lower end face of the top plate (1), a hydraulic cylinder (8) is provided on the front side of the upper end face of the top plate (1), and the hydraulic cylinder (8) is connected to the punching plate (10).

2. The automatic blanking die for sheet metal parts according to claim 1, characterized in that: Bases (3) are provided on both sides of the rear end of the bottom plate (4), and pillars (2) are fixed to the upper ends of the bases (3), and the pillars (2) are connected to the top plate (1).

3. The automatic punching die for sheet metal parts according to claim 2, characterized in that: Both sides of the rear end of the top plate (1) are provided with docking holes, and the upper ends of the pillars (2) are connected to the docking holes. The top ends of the pillars (2) are threadedly mounted with positioning screw sleeves, and the positioning screw sleeves fit the top plate (1).

4. The automatic blanking die for sheet metal parts according to claim 1, characterized in that: A conveying roller is equidistantly mounted on the upper side of the material guiding mechanism (9) via a rotating shaft, and the conveying roller corresponds to the material guiding roller (18) on the upper side of the sliding plate (14).

5. The automatic blanking die for sheet metal parts according to claim 1, characterized in that: A material opening is provided in the middle of the drawer box (6), and the material opening corresponds to the material discharge opening (11) and the die cut piece (15).

6. The automatic blanking die for sheet metal parts according to claim 1, characterized in that: Slide blocks (13) are fixed at both ends of the punching plate (12), and the slide blocks (13) are slidably installed in corresponding slide grooves (17).

7. The automatic blanking die for sheet metal parts according to claim 6, characterized in that: A cylinder (16) is fixed to the bottom end of the inner portion of the slide groove (17), and the top end of the cylinder (16) is connected to the corresponding slider (13). A spring is sleeved on the outer side of the cylinder (16), and the top end of the spring is connected to the slider (13).

8. The automatic blanking die for sheet metal parts according to claim 1, characterized in that: The punching plate (10) corresponds to the blanking plate (12), and the punching plate (10) is adapted to the pull-out box (6).

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