CN215431168U - Stamping die is used in sheet metal processing - Google Patents
Stamping die is used in sheet metal processing Download PDFInfo
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- CN215431168U CN215431168U CN202121639858.4U CN202121639858U CN215431168U CN 215431168 U CN215431168 U CN 215431168U CN 202121639858 U CN202121639858 U CN 202121639858U CN 215431168 U CN215431168 U CN 215431168U
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Abstract
The utility model provides a stamping die for processing metal plates, which comprises an upper die plate and a lower die plate, wherein vertical plates with strip-shaped guide holes are arranged on two sides of the lower die plate, supporting inclined rods are arranged on two sides of the upper die plate, connecting pins hinged with the supporting inclined rods are arranged on the strip-shaped guide holes, a left stretching module and a right stretching module are connected onto the lower die plate in a sliding mode, movable connecting rods hinged with the connecting pins are hinged onto the left stretching module and the right stretching module, a material carrying plate with a plate material limiting groove is arranged at the top of the lower die plate, and a stretching punch head is arranged at the bottom of the upper die plate. And placing the metal plate in the plate limiting groove, descending the stretching punch when closing the die, and enabling the left stretching module and the right stretching module to approach to form a stretching side die. And after stretching is finished, opening the die, keeping away the left stretching module and the right stretching module and separating the left stretching module and the right stretching module from the workpiece, and driving the workpiece to separate from the plate limiting groove by the stretching punch. The workpiece is not required to be ejected out of the stretching side die by external force after the die is opened, so that the product quality is improved, and the rejection rate is reduced.
Description
Technical Field
The utility model relates to the field of dies, in particular to a stamping die for processing metal plates.
Background
The stamping die is a special process device for processing metal pieces into required shapes in cold stamping processing. Drawing is a common means for processing metal plates, a stamping die is needed for drawing the metal plates, a drawing punch and a drawing side die matched with the drawing punch are needed to be arranged on the die, a drawing molded surface needed by drawing the side surface of a workpiece is arranged on the drawing side die, force is applied to the drawing punch by closing the die during drawing, the drawing punch extrudes the metal plates into the drawing side die to draw the metal plates, and drawing holes are formed in the drawn workpiece. Because the drawing is accompanied with the deformation of sheet metal, the work piece will closely laminate with drawing side die profile after the drawing, and the work piece is difficult to take off from drawing the side die, need with the help of the kicking block with the work piece from drawing the beneath liftout of side die, often leads to the work piece to warp, and product quality is difficult to guarantee, and the disability rate is high.
Disclosure of Invention
The utility model aims to solve the problem that a stamping die for processing metal plates is provided, a stretched workpiece is not required to be ejected out of a stretching side die by means of external force, automatic stripping is realized, deformation of the workpiece is avoided, and the product quality is improved.
The stamping die for processing the metal plate comprises an upper die plate and a lower die plate, wherein two sides of the top of the lower die plate are fixedly connected with a vertical plate, two sides of the bottom of the upper die plate are fixedly connected with a supporting inclined rod, a strip-shaped guide hole is arranged on the vertical plate in a penetrating manner, a connecting pin matched with the strip-shaped guide hole is arranged on the strip-shaped guide hole, one end of the supporting inclined rod is hinged on the connecting pin, a slide block movable groove is arranged at the top of the lower die plate, a left side stretching module and a right side stretching module which are matched with the longitudinal section shape of the slide block movable groove are connected on the slide block movable groove in a sliding manner, a movable connecting rod is hinged at the tops of the left side stretching module and the right side stretching module, one end of the movable connecting rod is hinged on the connecting pin, and the opposite side surfaces of the left side stretching module and the right side stretching module are respectively provided with a left side stretching profile and a right side stretching profile which are matched with each other, the bottom of the sliding block movable groove is provided with a lower die molded surface, the top of the lower die plate is fixedly connected with a material carrying plate stretching over the sliding block movable groove, the top of the material carrying plate is provided with a plate limiting groove, the bottom of the plate limiting groove is provided with a punch through hole penetrating right above the lower die molded surface, and the bottom of the upper die plate is fixedly connected with a stretching punch matched with the punch through hole.
Preferably, the top of the lower template is fixedly connected with a plurality of guide pillars penetrating the upper template, and the guide pillars are sleeved with return springs abutted between the upper template and the lower template.
Preferably, a plurality of guide rods arranged in parallel are fixedly connected between the two opposite side surfaces of the sliding block movable groove, and the guide rods penetrate through the left stretching module and the right stretching module.
Preferably, the stretching punch is sleeved with a limiting pressing plate in clearance fit with the plate limiting groove, the stretching punch is sleeved with a stripping spring, and two ends of the stripping spring are respectively fixedly connected with the bottom of the upper die plate and the top of the limiting pressing plate.
Preferably, a support beam is fixedly connected between the support diagonal rod and the bottom of the upper template.
The utility model has the beneficial effects that: the utility model provides a stamping die for processing a metal plate, which is provided with a unique assembly structure, the metal plate is placed on a plate limiting groove, the closed die stretches the metal plate, an upper die plate drives a supporting inclined rod and a stretching punch to descend, a connecting pin descends along a strip-shaped guide hole and causes a movable connecting rod to rotate, a left stretching module and a right stretching module approach to each other oppositely, a left stretching molded surface and a right stretching molded surface are closed to form a stretching molded surface, the stretching punch abuts against the metal plate and extrudes the metal plate into the stretching molded surface, and the metal plate is stretched into a required workpiece shape in the stretching punch, the stretching molded surface and a lower molded surface. After stretching is completed, the upper die plate is lifted to open the die, the left stretching module and the right stretching module are relatively far away from the workpiece and are separated from the workpiece, meanwhile, the stretching punch head drives the workpiece to rise and is separated from the plate limiting groove, and the workpiece can be taken down from the stretching punch head. The automatic opening device is simple in structure and convenient to use, the stretching side die is automatically opened and separated from a workpiece when the die is opened, the stretched workpiece is not required to be ejected out of the stretching side die by means of external force after the die is opened, the deformation of the workpiece is avoided, the product quality is improved, and the rejection rate is reduced.
Drawings
Fig. 1 illustrates a schematic cross-sectional structure view of the mold in the open state of the mold according to the present invention.
Fig. 2 is a schematic sectional view showing a mold clamping state of the present invention.
Fig. 3 illustrates a schematic top view of the present invention with the upper mold plate removed.
Fig. 4 illustrates an assembly structure diagram of the right stretching template and the movable connecting rod of the utility model.
The reference numbers illustrate: the device comprises an upper template 1, a lower template 2, a slide block movable groove 20, a lower die molded surface 21, a vertical plate 3, a strip-shaped guide hole 30, a support inclined rod 4, a connecting pin 5, a left side stretching module 6, a left side stretching molded surface 60, a right side stretching module 7, a right side stretching molded surface 70, a movable connecting rod 8, a material carrying plate 9, a plate material limiting groove 90, a punch through hole 91, a stretching punch 10, a guide pillar 11, a reset spring 12, a guide rod 13, a limiting pressing plate 14, a stripping spring 15 and a support beam 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments.
All other embodiments of the person skilled in the art, which are obtained without inventive work on the basis of the described embodiments of the present disclosure, are within the scope of protection of the present disclosure.
Refer to fig. 1-4.
The utility model provides a stamping die for processing metal plates, which comprises an upper template 1 and a lower template 2, wherein both sides of the top of the lower template 2 are fixedly connected with a vertical plate 3, both sides of the bottom of the upper template 1 are fixedly connected with a supporting inclined rod 4, a strip-shaped guide hole 30 is arranged on the vertical plate 3 in a penetrating way, a connecting pin 5 matched with the strip-shaped guide hole 30 is arranged on the strip-shaped guide hole 30 in a penetrating way, one end of the supporting inclined rod 4 is hinged on the connecting pin 5, the top of the lower template 2 is provided with a slide block movable groove 20, the slide block movable groove 20 is connected with a left side stretching module 6 and a right side stretching module 7 which are matched with the longitudinal section shape of the slide block movable groove 20 in a sliding way, the tops of the left side stretching module 6 and the right side stretching module 7 are hinged with a movable connecting rod 8, one end of the movable connecting rod 8 is hinged on the connecting pin 5, and the opposite side surfaces of the left side stretching module 6 and the right side stretching module 7 are respectively provided with a left side stretching profile 60 and a right side profile 70 which are matched with each other, the bottom of the sliding block movable groove 20 is provided with a lower die molded surface 21, the top of the lower die plate 2 is fixedly connected with a material carrying plate 9 stretching over the sliding block movable groove 20, the top of the material carrying plate 9 is provided with a plate material limiting groove 90, the bottom of the plate material limiting groove 90 is provided with a punch through hole 91 penetrating the lower die molded surface 21, and the bottom of the upper die plate 1 is fixedly connected with a stretching punch 10 matched with the punch through hole 91.
The specific use principle is as follows: the arranged plate limiting groove 90 is matched with a metal plate to be processed, the left stretching molded surface 60 and the right stretching molded surface 70 are closed to form a stretching molded surface which is matched with the required stretching shape of a workpiece, and the lower die molded surface 21 is matched with the required bottom shape of the workpiece. The metal plate is placed on the plate limiting groove 90, the upper die plate 1 is pressed downwards to close the die, the upper die plate 1 drives the supporting inclined rod 4 and the stretching punch 10 to descend, the connecting pin 5 descends along the strip-shaped guide hole 30, the descending connecting pin 5 can lead the movable connecting rod 8 to rotate around the connecting pin 5, the movable connecting rods 8 rotating on two sides can respectively drive the left stretching module 6 and the right stretching module 7 to approach towards each other, the left stretching molded surface 60 and the right stretching molded surface 70 are gradually closed to form a stretching molded surface, meanwhile, the descending stretching punch 10 abuts against the metal plate and extrudes the metal plate into the stretching molded surface, and the metal plate is stretched into a required workpiece shape in the stretching punch 10, the stretching molded surface and the lower molded surface 21. After stretching is completed, the upper die plate 1 is lifted up to open the die, the upper die plate 1 drives the supporting inclined rod 4 and the stretching punch 10 to ascend, the connecting pin 5 ascends along the strip-shaped guide hole 30, the ascending connecting pin 5 causes the movable connecting rod 8 to rotate around the connecting pin 5, the movable connecting rods 8 rotating on two sides drive the left stretching module 6 and the right stretching module 7 to be relatively far away, the left stretching profile 60 and the right stretching profile 70 are gradually separated from the workpiece, meanwhile, the stretching punch 10 drives the workpiece to ascend and is separated from the plate limiting groove 90, and the workpiece can be taken down from the stretching punch 10 after the die opening is completed. The die opening device is simple in structure and convenient to use, the left stretching module 6 and the right stretching module 7 are automatically opened and separated from a workpiece when the die is opened, the stretched workpiece does not need to be ejected out from the stretching side die by means of external force after the die is opened, the deformation of the workpiece is avoided, the product quality is improved, and the rejection rate is reduced.
Based on the above embodiment, the top of the lower template 2 is fixedly connected with a plurality of guide posts 11 penetrating the upper template 1, and the guide posts 11 are sleeved with the return springs 12 abutting between the upper template 1 and the lower template 2. When the die is closed, the upper die plate 1 is pressed downwards to apply force, and the lower upper die plate 1 compresses the return spring 12; when the mold is opened, the upper mold plate 1 is released, and the return spring 12 which is compressed and deformed recovers the elasticity and pushes the upper mold plate 1 to ascend and reset, so that the stability of the mold opening and closing can be effectively improved.
Based on the above embodiment, two guide rods 13 arranged in parallel are fixedly connected between two opposite side surfaces of the slider movable groove 20, and the two guide rods 13 are arranged in parallel and penetrate through the left stretching module 6 and the right stretching module 7. In the process of opening and closing the die, the left stretching module 6 and the right stretching module 7 horizontally move along the guide rods 13, so that the movement stability of the left stretching module 6 and the right stretching module 7 is improved.
Based on the above embodiment, the stretching punch 10 is sleeved with the limiting pressure plate 14 in clearance fit with the plate limiting groove 90, the stretching punch 10 is sleeved with the stripping spring 15, and two ends of the stripping spring 15 are respectively fixedly connected with the bottom of the upper die plate 1 and the top of the limiting pressure plate 14. In the mold opening state, the limit pressure plate 14 extends out of the bottom end of the drawing punch 10. When the die is closed, the upper die plate 1 drives the stretching punch 10 and the limiting pressure plate 14 to descend synchronously, when the limiting pressure plate 14 abuts against a metal plate placed on the plate limiting groove 90, the limiting pressure plate 14 compresses the stripping spring 15 and compresses and limits the metal plate, and then the stretching punch 10 extends out of the bottom of the limiting pressure plate 14 and stretches the metal plate. After stretching is completed, the upper die plate 1 is lifted up to open the die, the rising upper die plate 1 drives the stretching punch 10 and the stripping spring 15 to rise, the left stretching profile 60 and the right stretching profile 70 are relatively far away and gradually separated from the workpiece, meanwhile, the compressed stripping spring 15 is slowly released, the stripping spring 15 pushes the limiting pressure plate 14 to stretch out the bottom end of the stretching punch 10 and push the workpiece tightly sleeved at the bottom end of the stretching punch 10 out of the stretching punch 10, the workpiece is kept on the plate limiting groove 90, the workpiece can be taken out from the plate limiting groove 90 after die opening is completed, automatic stripping of the workpiece is achieved, and production efficiency is effectively improved.
Based on the above embodiment, the supporting beam 16 is fixedly connected between the supporting diagonal rod 4 and the bottom of the upper template 1, so that the stress strength of the supporting diagonal rod 4 can be improved.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (5)
1. A stamping die for processing metal plates comprises an upper die plate (1) and a lower die plate (2), and is characterized in that two sides of the top of the lower die plate (2) are fixedly connected with a vertical plate (3), two sides of the bottom of the upper die plate (1) are fixedly connected with a supporting oblique rod (4), a strip-shaped guide hole (30) penetrates through the vertical plate (3), a connecting pin (5) matched with the strip-shaped guide hole (30) penetrates through the strip-shaped guide hole (30), one end of the supporting oblique rod (4) is hinged on the connecting pin (5), a slider movable groove (20) is arranged at the top of the lower die plate (2), a left side stretching module (6) and a right side stretching module (7) which are matched with the longitudinal section of the slider movable groove (20) are slidably connected on the slider movable groove (20), and a movable connecting rod (8) is hinged at the tops of the left side stretching module (6) and the right side stretching module (7), swing joint pole (8) one end articulates on connecting pin (5), left side tensile module (6) with the relative side of right side tensile module (7) is provided with tensile profile in the left side (60) and the tensile profile in right side (70) of pairing respectively, slider activity groove (20) bottom is provided with lower mould profile (21), lower bolster (2) top fixedly connected with spanes year flitch (9) of slider activity groove (20) top, it is provided with sheet material spacing groove (90) to carry flitch (9) top, run through to be provided with in sheet material spacing groove (90) bottom be located drift via hole (91) directly over lower mould profile (21), cope match-plate pattern (1) bottom fixedly connected with tensile drift (10) that drift via hole (91) match.
2. The stamping die for processing the metal plates as claimed in claim 1, wherein a plurality of guide posts (11) penetrating the upper die plate (1) are fixedly connected to the top of the lower die plate (2), and return springs (12) abutting between the upper die plate (1) and the lower die plate (2) are sleeved on the guide posts (11).
3. The stamping die for processing the metal plates as claimed in claim 1, wherein a plurality of guide rods (13) arranged in parallel are fixedly connected between the two opposite side surfaces of the sliding block movable groove (20), and the guide rods (13) are arranged on the left stretching module (6) and the right stretching module (7) in a penetrating manner.
4. The stamping die for processing the metal plates as claimed in claim 1, wherein the stretching punch (10) is sleeved with a limiting pressure plate (14) in clearance fit with the plate limiting groove (90), the stretching punch (10) is sleeved with a stripping spring (15), and two ends of the stripping spring (15) are respectively and fixedly connected with the bottom of the upper die plate (1) and the top of the limiting pressure plate (14).
5. A stamping die for sheet metal working according to claim 1, characterised in that a support beam (16) is fixedly connected between the support diagonal bar (4) and the bottom of the upper platen (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121639858.4U CN215431168U (en) | 2021-07-19 | 2021-07-19 | Stamping die is used in sheet metal processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121639858.4U CN215431168U (en) | 2021-07-19 | 2021-07-19 | Stamping die is used in sheet metal processing |
Publications (1)
Publication Number | Publication Date |
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CN215431168U true CN215431168U (en) | 2022-01-07 |
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CN202121639858.4U Active CN215431168U (en) | 2021-07-19 | 2021-07-19 | Stamping die is used in sheet metal processing |
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CN (1) | CN215431168U (en) |
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2021
- 2021-07-19 CN CN202121639858.4U patent/CN215431168U/en active Active
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