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CN-121988672-A - Improved process for rapid forming of mold

CN121988672ACN 121988672 ACN121988672 ACN 121988672ACN-121988672-A

Abstract

The invention discloses an improved rapid forming process of a die, which relates to the field of forming dies and comprises the following steps of firstly preparing a plate material and positioning the plate material, stably placing the plate material to be punched on a placing plate above a base, enabling a punching position of the plate material to cover the upper part of a forming cavity of a lower die, secondly, die replacement and adaptive locking, thirdly, punching forming, starting a hydraulic cylinder, enabling a telescopic end of the hydraulic cylinder to push the upper die to synchronously move downwards through a connecting block, completing punching forming on the plate material, fourthly, stripping and die replacement preparation, removing a forming part from the lower die cavity through a stripping structure of the lower die after punching is completed, taking down the forming part, and repeating unlocking and replacement operation of the second step to complete adaptive preparation of next forming if the die specification needs to be replaced. The invention radically eliminates the dimensional deviation and surface flaws of the formed part caused by the upper die offset, has simple die replacement and adaptation flow, and obviously improves the accuracy and efficiency of the rapid forming of the die.

Inventors

  • YANG NING
  • KANG JIAN

Assignees

  • 芜湖保贝科技有限公司

Dates

Publication Date
20260508
Application Date
20260402

Claims (10)

  1. 1. An improved process for rapid molding of a mold is characterized by comprising the following steps: Firstly, preparing and loading a plate for positioning, namely stably placing the plate to be stamped on a placing plate (1022) above a base (1) to cover the stamped part of the plate above a forming cavity of a lower die (1021) to finish positioning and loading of the plate; Step two, die replacement and adaptive locking, namely when the upper die and the lower die are replaced according to stamping requirements, firstly starting an electric telescopic rod (6) to push a telescopic plate (5) to extend out along a groove (104) of an L-shaped supporting plate (103) to drive a transverse plate (401) of a locking assembly (4) to synchronously move, enabling an inner hexagonal sleeve (403) to be separated from the end head of a hexagonal bolt (7), taking down the hexagonal bolt (7), separating a fixed block (301) from a connecting block (201), and after replacing a new upper die assembly, inserting the connecting block (201) into a splicing groove (3011) of the fixed block (301), and loading the hexagonal bolt (7) into the splicing groove for pre-tightening; Rotating the rotary handle (405), driving the worm (404) to rotate through the rotating shaft (4041), driving the worm wheel (4031) and the inner hexagonal sleeve (403) to rotate by the worm (404), enabling the inner hexagonal sleeve (403) to be accurately meshed with the end of the hexagonal bolt (7), locking the hexagonal bolt (7) by utilizing the self-locking characteristic of the worm wheel (4031) and the worm (404), completing firm connection between the upper die (303) and the driving end, avoiding loosening of the bolt caused by punching vibration, and then taking down the bolt fixing the lower die (1021) to replace the corresponding new lower die (1021); Step three, stamping forming, namely starting a hydraulic cylinder (2), pushing an upper die (303) to synchronously move downwards by the telescopic end of the hydraulic cylinder (2) through a connecting block (201), sliding a guide pillar (302) along a guide structure of an L-shaped supporting plate (103) in the stamping process, ensuring that the upper die (303) vertically descends, simultaneously enabling a locking assembly (4) to synchronously move downwards along with a fixed block (301), continuously locking a hexagon bolt (7), avoiding the deflection of the upper die (303), and finally closing the upper die (303) and a lower die (1021), and completing stamping forming of the plate material; Step four, stripping and die changing preparation, wherein after stamping is completed, a hydraulic cylinder (2) is reset to drive an upper die (303), a lower pressing block (3) and a fixed block (301) to rise upwards, the upper die (303) is separated from a formed part, and then the formed part is stripped from a cavity of the lower die (1021) through a stripping structure of the lower die (1021), and the formed part is taken down; And if the specification of the die needs to be replaced, repeating the unlocking and replacing operation of the second step, and completing the next forming adaptation preparation.
  2. 2. The improved rapid molding process of the mold according to claim 1, wherein a vertical plate of the L-shaped supporting plate (103) is fixedly connected with the outer side of the top of the base (1), the hydraulic cylinder (2) is fixed on the top of the horizontal plate of the L-shaped supporting plate (103) through bolts, a telescopic end of the hydraulic cylinder (2) penetrates through the horizontal plate of the L-shaped supporting plate (103) and is fixedly provided with a connecting block (201), an upper mold assembly is arranged below the connecting block (201), the upper mold assembly consists of a fixed block (301), a lower pressing block (3) and an upper mold (303), an inserting groove (3011) is formed in the top of the fixed block (301), and the connecting block (201) is inserted into the inserting groove (3011) and is fixedly connected through a hexagonal bolt (7); The novel die-changing mechanism is characterized in that two groups of die-changing mechanisms which are symmetrically distributed and are used for locking the hexagonal bolts (7) are arranged on the L-shaped supporting plate (103), the clamping mechanism is prevented from loosening due to vibration in the stamping process, each group of die-changing mechanisms consists of a telescopic plate (5) and an electric telescopic rod (6), and the die-changing mechanism is used for pushing the clamping mechanism (4) to be separated from the hexagonal bolts (7) and assisting the quick replacement of the upper die (303).
  3. 3. The improved rapid molding process of a mold according to claim 2, wherein the locking assembly (4) comprises a cross plate (401), through holes (402) are symmetrically formed in the cross plate (401), annular grooves (4021) are formed in the hole walls of the through holes (402), inner hexagon sleeves (403) are movably mounted in the inner portions of the through holes (402), worm gears (4031) are fixedly sleeved on the outer walls of the inner hexagon sleeves (403), the worm gears (4031) are located in the annular grooves (4021), the outer walls of the worm gears (4031) are in rolling contact with the groove walls of the annular grooves (4021) through embedded balls, and the inner hexagon sleeves (403) are sleeved on the end portions of corresponding hexagon bolts (7).
  4. 4. The improved rapid molding process of a mold according to claim 3, wherein the inside of the transverse plate (401) is provided with a driving groove (4022) communicated with one side of two annular grooves (4021), two driving grooves (4022) are respectively provided with a worm (404) in a rotating way, the two worm (404) are respectively meshed with a corresponding worm wheel (4031), the bottom ends of the two worm (404) are respectively fixed with a rotating shaft (4041), and the two rotating shafts (4041) respectively penetrate out of the transverse plate (401) to be fixed with a rotary handle (405).
  5. 5. The improved rapid molding process of the mold according to claim 3, wherein a baffle plate (105) is fixed on one side of the hydraulic cylinder (2) at the top of the L-shaped supporting plate (103), the two electric telescopic rods (6) are symmetrically fixed on the outer wall of the baffle plate (105) through screws, and the telescopic ends of the two electric telescopic rods (6) penetrate through the baffle plate (105) and are fixedly connected with the telescopic plate (5) through screws.
  6. 6. The improved rapid prototyping process for dies of claim 5, wherein the front ends of the horizontal plates of the L-shaped supporting plates (103) are provided with grooves (104) at the positions of the two telescopic plates (5), and the telescopic ends of the two telescopic plates (5) are fixed with the top end screws of the transverse plates (401) through the grooves (104).
  7. 7. The improved rapid molding process of a mold according to claim 2, wherein the bottom of the fixing block (301) is welded with the top of the lower pressing block (3), the bottom of the lower pressing block (3) is fixedly connected with the upper mold (303), guide posts (302) are symmetrically fixed at the positions, close to the vertical plates of the L-shaped supporting plate (103), of the bottom of the lower pressing block (3), vertical rods (3021) are fixed at the centers of the bottom ends of the two guide posts (302), and limiting plates (3022) are welded at the positions, close to the vertical plates of the L-shaped supporting plate (103), of the outer walls of the two vertical rods (3021).
  8. 8. The improved rapid prototyping process for dies of claim 7, wherein limiting grooves (1031) are symmetrically formed in vertical plates of the L-shaped supporting plate (103), guide rods (1032) are fixedly installed in the two limiting grooves (1031), supporting springs (1033) are sleeved on outer walls of the two guide rods (1032), limiting blocks (1034) are sleeved on the two guide rods (1032) in a sliding mode, the two limiting plates (3022) are connected with openings formed in the ends of the limiting blocks (1034) in a plugging mode, and the top ends of the two supporting springs (1033) are in contact with the bottoms of the limiting blocks (1034).
  9. 9. The improved rapid molding process of the mold according to claim 2, wherein threaded holes (2011) are symmetrically formed in the connecting block (201), screw holes (3012) matched with the threaded holes (2011) are formed in the fixing block (301), and the hexagon bolts (7) penetrate through the threaded holes (2011) to be in threaded connection with the screw holes (3012).
  10. 10. The improved rapid prototyping process for dies according to claim 2, wherein the top of the base (1) is fixedly provided with a supporting frame (101), the top of the supporting frame (101) is fixedly provided with a fixing plate (102), the lower die (1021) is arranged at the top of the fixing plate (102) through bolts, and the placing plate (1022) is positioned at one side of the lower die (1021) and is fixed with the top of the fixing plate (102) through bolts.

Description

Improved process for rapid forming of mold Technical Field The invention mainly relates to the technical field of forming dies, in particular to an improved process for rapid forming of a die. Background The mould is a mould and tool for obtaining the required products in the modes of injection moulding, blow moulding and the like in industrial production, in short, the mould is a tool for manufacturing molded articles, and consists of various parts, different mould parts are different, the shape of the articles is processed by means of the physical state change of molding materials, and the mould is a tool for manufacturing blanks into products with specific shapes and sizes under the action of external force, and is widely applied to compression moulding or injection moulding processing of products such as blanking, die forging and the like. The stamping die rapid prototyping device comprises a prototyping device body, wherein the prototyping device body comprises a base, a lower die assembly is fixedly installed on the base, a supporting seat is fixed on one side of the base, and an installation seat is fixed on the top of the supporting seat. The technology can rapidly adjust the size of the stamping diameter, in addition, the up-and-down movement of the ring seat controls the stamping forming of the side of the material, so that the rapid forming of the material at the later stage is completed, but the pushing column of the upper die, the connecting seat and the fixing of the movable seat depend on fixing bolts, the bolts are easy to loosen due to long-term stamping vibration, the upper die is further increased, and finally, the dimension deviation and the surface flaws of a formed part are caused. Disclosure of Invention Based on the above, the present invention aims to provide an improved process for rapid molding of a mold, so as to solve the technical problems set forth in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: an improved process for rapid molding of a mold comprises the following steps: Step one, preparing and loading the plate, namely stably placing the plate to be stamped on a placing plate above a base, enabling the stamped part of the plate to cover the upper part of a forming cavity of a lower die, and completing the positioning and loading of the plate; Step two, die replacement and adaptive locking, namely when the upper die and the lower die are replaced according to stamping requirements, firstly starting an electric telescopic rod to push a telescopic plate to extend out along a groove of an L-shaped supporting plate, driving a transverse plate of a locking assembly to synchronously move, enabling an inner hexagonal sleeve to be separated from the end head of a hexagonal bolt, taking down the hexagonal bolt, separating a fixed block from a connecting block, inserting the connecting block into a plugging groove of the fixed block after replacing a new upper die assembly, and loading the hexagonal bolt and pre-tightening; The rotary handle is rotated, the worm is driven to rotate through the rotating shaft, the worm drives the worm wheel and the inner hexagon sleeve to rotate, the inner hexagon sleeve is accurately meshed with the end head of the hexagon bolt, the hexagon bolt is locked by utilizing the self-locking characteristic of the worm wheel and the worm, the upper die is firmly connected with the driving end, the bolt loosening caused by punching vibration is avoided, and then the bolt fixing the lower die is taken down to replace the corresponding new lower die; Step three, stamping forming, namely starting a hydraulic cylinder, wherein the telescopic end of the hydraulic cylinder pushes an upper die to synchronously move downwards through a connecting block, a guide pillar slides along a guide structure of an L-shaped supporting plate in the stamping process, so that the upper die is ensured to vertically downwards move, a locking assembly synchronously moves downwards along with a fixed block, a hexagonal bolt is continuously locked, the upper die is prevented from shifting, the upper die and a lower die are finally matched, and the stamping forming of a plate is completed; Step four, stripping and die changing preparation, wherein after stamping is completed, the hydraulic cylinder resets to drive the upper die, the lower pressing block and the fixed block to rise upwards, the upper die is separated from the formed part, and then the formed part is stripped from the cavity of the lower die through the stripping structure of the lower die, and the formed part is taken down; And if the specification of the die needs to be replaced, repeating the unlocking and replacing operation of the second step, and completing the next forming adaptation preparation. According to the technical scheme, a vertical plate of an L-shaped supporting plate is fixedly connected with the outer side of the top of a ba