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CN-116572482-B - Full-automatic punching mechanism for separating injection product and injection rod of mold

CN116572482BCN 116572482 BCN116572482 BCN 116572482BCN-116572482-B

Abstract

The invention discloses a full-automatic punching mechanism for separating a mold injection product and an injection rod, which relates to the technical field of water cutting ports, and the full-automatic punching mechanism locally optimizes the water cutting port mode of the injection product, aims at the synchronous cutting process of a plurality of water ports, and specifically comprises the following steps: for a plurality of water gaps at different height positions, the structural bodies of the upper cutter seat and the lower cutter seat are adopted, an upper cutter is arranged in the upper cutter seat, a lower cutter is arranged in the lower cutter seat, wherein the lower cutter is used for supporting the lower side position of the water gap, the upper cutter is used as a direct structure of the water gap, on the basis, two of the upper cutter seats can relatively move, particularly, the water gap position at the highest point is used as a starting point, when one of the upper cutters is contacted with the highest point water gap position in the lower cutter seat, the other upper cutter can cooperatively move until the two upper cutters are contacted with the water gap at the same time, and the water gap cutting action is completed in a synchronous supporting mode.

Inventors

  • ZHANG LEI
  • ZHAO HAITAO

Assignees

  • 安徽酷豆丁科技发展股份有限公司

Dates

Publication Date
20260508
Application Date
20230526

Claims (8)

  1. 1. The full-automatic punching mechanism for separating the injection molding product of the die from the injection molding rod comprises a bottom plate (1), a movable plate (2), a mounting plate (6), a fixed plate (5) and a hanging wall frame (3), and is characterized in that the bottom plate (1), the movable plate (2), the mounting plate (6) and the fixed plate (5) are sequentially arranged along the direction from bottom to top, the hanging wall frame (3) is mounted on the bottom plate (1), the fixed plate (5) is mounted on the hanging wall frame (3), a pneumatic push rod (4) is mounted at the central point of the upper surface of the fixed plate (5), a transmission shaft of the pneumatic push rod (4) extends downwards, and the tail end of the transmission shaft of the pneumatic push rod (4) is connected with the central point of the mounting plate (6); An upper pressing seat (10) is arranged at the position, close to the outer wall of the bottom plate (1), of the movable plate (2), a lower pressing seat (11) is arranged at the position, close to the outer wall of the movable plate (2), of the bottom plate (1), an upper cutter seat (9) is arranged at the position, corresponding to the upper pressing seat (10), of the movable plate (2), a lower cutter seat (20) is arranged at the position, corresponding to the lower pressing seat (11), of the bottom plate (1), an upper cutter (14) and a lower cutter supporting (23) are respectively arranged in the upper cutter seat (9) and the lower cutter seat (20), and the number of the upper cutters (14) and the lower cutter supporting (23) in the upper cutter seat (9) and the lower cutter seat (20) is two; The gear cavity (18) is formed in the upper cutter holder (9), the middle rotating gear (16) and the two driving gears (19) are respectively rotatably arranged in the gear cavity (18), the two driving gears (19) are meshed with the middle rotating gear (16), the two driving gears (19) are not meshed with each other, the gear groove (15) is formed in the position, close to the inner wall of the driving gear (19), of the upper cutter (14), the upper cutter (14) is in sliding connection in the upper cutter holder (9) along the vertical direction, and the gear groove (15) is meshed with the driving gears (19).
  2. 2. The full-automatic punching mechanism for separating a mold injection product from an injection molding rod according to claim 1, wherein an installation sleeve (13) is installed on the outer wall position of the upper tool apron (9) corresponding to the transfer gear (16), a rolling reed (17) is arranged inside the installation sleeve (13), a supporting rod is installed at the center point of the transfer gear (16), the supporting rod penetrates through the upper tool apron (9), one end of the supporting rod is connected with one end of the rolling reed (17), and the other end of the rolling reed (17) is installed on the inner wall position of the installation sleeve (13).
  3. 3. The full-automatic punching mechanism for separating a mold injection product from an injection molding rod according to claim 1, wherein the upper pressing seat (10) is in sliding connection in the movable plate (2) along the vertical direction, a guide rod (12) is arranged on the upper pressing seat (10), the guide rod (12) is in sliding connection in the movable plate (2) along the vertical direction, a first spring (8) is arranged on the upper surface position of the movable plate (2) corresponding to the upper pressing seat (10), and the top end of the first spring (8) is arranged on the lower surface position of the mounting plate (6).
  4. 4. A full-automatic punching mechanism for separating a mold injection product from an injection rod according to claim 3, wherein a disc spring (7) is mounted on four corners of the lower surface of the mounting plate (6), and the lower end of the disc spring (7) is mounted on four corners of the upper surface of the movable plate (2).
  5. 5. The full-automatic punching mechanism for separating a mold injection product from an injection rod according to claim 1, wherein the lower supporting knife (23) is slidingly connected in the vertical direction in the lower knife holder (20), and the lower supporting knife (23) is located at a position right below the upper knife (14).
  6. 6. The full-automatic punching mechanism for separating a mold injection product from an injection rod according to claim 5, wherein a second spring (22) is installed on the center point of the lower surface of the lower supporting knife (23), and the second spring (22) is installed in the lower knife holder (20).
  7. 7. The full-automatic punching mechanism for separating a mold injection product from an injection molding rod according to claim 6, wherein a central supporting block (24) is arranged at the central electric position of the upper surface of the lower tool apron (20), a cavity corresponding to the central supporting block (24) is formed in the lower tool apron (20), a stator electric block (21) is mounted at the bottom end of the inner wall of the cavity, a sliding rod (25) is mounted at the central point of the lower surface of the central supporting block (24), the sliding rod (25) penetrates downwards into the cavity, a rotor electric block (27) is mounted at the tail end of the sliding rod (25), and the rotor electric block (27) is electrically connected with the stator electric block (21).
  8. 8. The full-automatic punching mechanism for separating a mold injection product from an injection rod according to claim 7, wherein the slide bar (25) is provided with a third spring (26) at the position of the peripheral outer wall of the top end of the inner wall of the cavity and the mover electrical block (27).

Description

Full-automatic punching mechanism for separating injection product and injection rod of mold Technical Field The invention relates to the technical field of water cutting ports, in particular to a full-automatic punching mechanism for separating a mold injection product and an injection rod. Background For injection products, the injection mold is mainly produced through an injection molding process, the injection mold comprises a pouring gate and a molding cavity, molten glue is injected into the molding cavity along the pouring gate, after the glue is cooled and solidified, the injection product with a corresponding shape is formed, wherein the glue in the pouring gate is synchronously cooled and solidified to form a water gap structure such as an injection rod, and therefore, water gap cutting operation is needed to be executed, and reference can be made to related technical contents in an automatic water gap punching machine for injection molding with the publication number of CN 103407114A. For injection products, the injection mold can obtain a single product or a plurality of products in one injection molding action, for single products, the injection mold is used for producing injection products with larger volumes, for a plurality of products, the injection mold is used for injection products with smaller volumes, for single products, a plurality of water gap structures are often added for ensuring injection quality, and most of injection products with smaller volumes are single water gaps. Therefore, according to the existing water gap cutting structure, the relative position of each water gap needs to be adjusted according to the water gap position, so that the relative position of each water gap is guaranteed to correspond to the corresponding water gap position, the dimensional accuracy requirement of the installation position of a die bench worker in the assembly process is required to be higher, and in the long-term operation period, the difference between the relative heights of the water gap and the water gap can occur, namely the water gap cannot be completely cut off due to insufficient head cutting stroke, or the water gap is in a broken state, so that the water gap position on the injection product after the water gap is cut off has the problems of burrs and the like. Disclosure of Invention The invention aims to provide a full-automatic punching mechanism for separating an injection product of a die from an injection rod, which is used for solving the problems that the assembly requirement of a die bench worker is higher and the head cutting stroke is insufficient because of the difference of the relative height positions of a water gap structure in the water gap cutting operation of the injection product. The full-automatic punching mechanism for separating the injection molding product of the mold and the injection molding rod comprises a bottom plate, a movable plate, a mounting plate, a fixed plate and a hanging wall frame, wherein the bottom plate, the movable plate, the mounting plate and the fixed plate are sequentially arranged in the direction from bottom to top; An upper pressing seat is arranged at the position, close to the outer wall of the bottom plate, of the movable plate, a lower pressing seat is arranged at the position, close to the outer wall of the movable plate, of the bottom plate, an upper cutter holder is arranged at the position, corresponding to the upper pressing seat, of the movable plate, a lower cutter holder is arranged at the position, corresponding to the lower pressing seat, of the bottom plate, an upper cutter and a lower cutter are respectively arranged in the upper cutter holder and the lower cutter holder, and the number of the upper cutters and the lower cutters in the upper cutter holder and the lower cutter holder is two; The gear cavity is formed in the upper cutter seat, the transfer gear and the two driving gears are respectively rotatably arranged in the gear cavity, the two driving gears are meshed with the transfer gear and are not meshed with each other, a gear groove is formed in the position, close to the inner wall of the driving gear, of the upper cutter, the upper cutter is in sliding connection in the upper cutter seat along the vertical direction, and the gear groove is meshed with the driving gears. The automatic rolling device is further characterized in that an installation sleeve is installed at the position, corresponding to the outer wall of the transfer gear, of the upper tool apron, a rolling reed is arranged in the installation sleeve, a supporting rod is installed at the center point of the transfer gear, the supporting rod penetrates through the upper tool apron, one end of the supporting rod is connected with one end of a coil spring sheet, and the other end of the coil spring sheet is installed at the inner wall of the installation sleeve. The upper pressing seat is in sliding connection in the movable plate along the