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CN-117656353-B - Continuous injection molding device of plastic clamping seat with automatic material returning mechanism

CN117656353BCN 117656353 BCN117656353 BCN 117656353BCN-117656353-B

Abstract

The invention discloses a continuous injection molding device of a plastic clamping seat with an automatic material returning mechanism, which belongs to the technical field of injection molding, and the invention circularly conveys a plurality of standby injection molds into a molding box by a conveyor belt for injection molding, the injection molds after injection molding are magnetically attracted and positioned by a pair of magnetic attraction blocks on a transmission chain, and are intermittently conveyed under the condition that the transmission chain is intermittently started, are cooled and shaped in the conveying process and are conveyed to an L-shaped lifting plate, at the moment, the L-shaped lifting plate carrying the injection mold moves downwards to be separated from the forming box by utilizing the electric guide rail, and the opening of the injection mold, the demolding of the plastic clamping seat and the separation and transmission after the mold closing of the injection mold are sequentially realized under the cooperation of the electric guide rail, the electric push rod III and the rotary vertical plate, so that the continuous injection molding operation of simultaneously carrying out injection molding, cooling, demolding and material returning is realized by replacing the traditional injection molding methods such as single injection molding, manual demolding and the like, and the production efficiency is effectively improved.

Inventors

  • HUANG YALI

Assignees

  • 汉门电子（江苏）有限公司

Dates

Publication Date
20260512
Application Date
20231206

Claims (8)

  1. 1. The continuous injection molding device of the plastic clamping seat with the automatic material returning mechanism comprises a molding box (1), wherein one end of the molding box (1) is provided with a first conveyor belt (3) which is communicated with the molding box and is used for conveying an injection mold (2), the lower end part of the other side of the molding box (1) is provided with a second conveyor belt (4) and a third conveyor belt (5) which are horizontally distributed, the continuous injection molding device is characterized in that the inner walls of the two sides of the molding box (1) are respectively embedded with a transmission chain (8), a plurality of magnetic attraction blocks (9) are fixedly distributed on the transmission chains (8) at equal intervals, the injection mold (2) comprises an upper mold plate (22) and a lower mold plate (21) which are embedded and connected up and down, the pair of magnetic attraction blocks (9) which are symmetrically arranged are respectively magnetically attracted with the left end wall and the right end wall of the lower mold plate (21), the upper end wall of the molding box (1) close to one side of the first conveyor belt (3) is fixedly provided with a pair of electric push rods (7), the telescopic ends of the pair of the electric push rods (7) are fixedly connected with a corresponding electric push rods (6) which penetrate through the molding box (1) and are fixedly embedded with the end walls (6) of the outer end part (12) of the molding box (1); The forming box (1) is kept away from the end fixed mounting of one side of the conveyor belt (3) and has mount (13), rotatory riser (14) are installed in the rotation on mount (13), electric guide rail (17) are installed to rotatory riser (14) inner end wall inlay, install L type lifter plate (15) of initial inlay in forming box (1) bottom wall department on electric guide rail (17), notch corresponding with L type lifter plate (15) has been seted up to forming box (1) tip bottom wall, electric putter three (16) of establishing are inhaled with cope match-plate pattern (22) end wall magnetism on rotatory riser (14) upper end wall fixed mounting, electric magnetic sheet is installed in the inlay of L type lifter plate (15) bottom wall, magnetic sheet is inlayed to lower bolster (21) bottom wall.
  2. 2. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism, as claimed in claim 1, is characterized in that the first conveyor belt (3), the second conveyor belt (4) and the third conveyor belt (5) are all arranged vertically to the molding box (1), and the bottom end wall of the first conveyor belt (3) and the bottom end wall of the molding box (1) are arranged at the same level.
  3. 3. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism according to claim 1, wherein the injection tube (61) corresponds to a pouring channel position on the upper template (22), and a bottom end wall of one side of the embedded seat (6) far away from the conveyor belt I (3) is provided with a downward extending retaining plate (62).
  4. 4. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism, as claimed in claim 3, is characterized in that magnetic substances corresponding to the positions of the magnetic attraction blocks (9) are embedded and arranged on the end walls of the two sides of the lower template (21) far away from one end (3) of the conveyor belt.
  5. 5. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism according to claim 4, wherein the end wall of the upper template (22) facing one side of the rotary vertical plate (14) is provided with a jack corresponding to the position of an electric push rod III (16), a magnetic attraction layer is embedded in the jack, and a magnetic head is arranged at the end part of the telescopic end of the electric push rod III (16).
  6. 6. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism, as claimed in claim 1, is characterized in that guide plates (11) are fixed on inner walls of bottom ends of two sides of the molding box (1), the end parts of the guide plates (11) positioned on the inner side extend to the outer side of the first conveyor belt (3), the end parts of the guide plates (11) positioned on the outer side extend to the inner side of the first conveyor belt (3), and the inner end surfaces of the guide plates (11) and the inner end surfaces of the magnetic attraction blocks (9) are positioned on the same vertical surface.
  7. 7. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism, which is disclosed in claim 6, is characterized in that guide strips (10) positioned at the upper ends of the magnetic blocks (9) are fixedly arranged on the two inner walls of the inner side of the molding box (1), and the guide strips (10) are respectively in sliding connection with the top end wall of the magnetic blocks (9) and the outer wall of the injection mold (2).
  8. 8. The continuous injection molding device with the plastic clamping seat with the automatic material returning mechanism, as claimed in claim 7, is characterized in that semiconductor refrigerating sheets are embedded in the guide strips (10) and the guide plates (11), heat insulation surfaces which are attached to the refrigerating chips on the semiconductor refrigerating sheets are embedded in the guide strips (10) and the guide plates (11), and heat dissipation plates which extend out of the molding box (1) in a penetrating mode are arranged at the other ends of the heat insulation surfaces.

Description

Continuous injection molding device of plastic clamping seat with automatic material returning mechanism Technical Field The invention relates to the technical field of injection molding, in particular to a continuous injection molding device of a plastic clamping seat with an automatic material returning mechanism. Background Injection molding is also called injection molding, namely, a molding method for injection and molding, namely, a method for obtaining a molded product after injection molding is carried out by injecting high pressure into a mold cavity at a certain temperature and cooling and solidifying, wherein the plastic is usually subjected to manual demolding after injection molding, the manual demolding speed is low, the mold cavity is emptied after demolding is finished, the next injection molding can be carried out, and injection molding, cooling and mold taking and material returning operations cannot be simultaneously carried out, so that the production efficiency cannot be effectively improved; therefore, we propose a continuous injection molding device with an automatic material returning mechanism for plastic clamping seats to effectively solve some practical problems existing in the prior art. Disclosure of Invention The invention aims to solve the problems, and compared with the prior art, the invention provides a continuous injection molding device with an automatic material returning mechanism, which is characterized in that a plurality of standby injection molds are circularly conveyed into a molding box by a conveying belt to be molded, the injection molds after injection molding are intermittently conveyed by a pair of transmission chains until being conveyed onto an L-shaped lifting plate, cooling and shaping are realized in the process, an L-shaped lifting plate carrying the injection molds is downwards moved by an electric guide rail to be separated from the molding box, and the opening of the injection molds, the demolding of the plastic card seats and the separation conveying after the mold closing of the injection molds are sequentially realized under the cooperation of the electric guide rail, an electric push rod III and a rotating vertical plate, so that continuous injection molding operation of injection molding, cooling, demolding and material returning is realized. The continuous injection molding device with the plastic clamping seat of the automatic material returning mechanism comprises a molding box, wherein one end of the molding box is provided with a first conveying belt which is communicated with the molding box and is used for conveying an injection mold, the lower end part of the other side of the molding box is provided with a second conveying belt and a third conveying belt which are horizontally distributed, the inner walls of the two sides of the molding box are respectively embedded with a transmission chain, a plurality of magnetic blocks are fixedly distributed on the transmission chains at equal intervals, the injection mold comprises an upper template and a lower template which are embedded and connected up and down, a pair of magnetic blocks which are arranged in a bilateral symmetry manner are respectively magnetically attracted and positioned with the left end wall and the right end wall of the lower template, the upper end wall of the molding box, which is close to one side of the conveying belt, is fixedly provided with a pair of electric push rods, the telescopic ends of the electric push rods are fixedly connected with a jogged seat which is movably penetrated into the molding box and is penetrated with an injection pipe, and the outer end wall of the conveying belt is fixedly provided with an electric push rod III corresponding to the end part of the molding box; The end fixed mounting that one side was kept away from to the shaping case has the mount, rotate on the mount and install rotatory riser, rotatory riser inner end wall inlays and establishes and install electric guide rail, install the L type lifter of initial embedding locating shaping incasement diapire department on the electric guide rail, the notch corresponding with L type lifter is seted up to shaping case end bottom end wall, fixed mounting has on the rotatory riser electric putter three of inlaying with cope match-plate pattern end wall magnetism, L type lifter bottom end wall inlays and establishes and installs the electromagnetic sheet, lower mould bottom end wall inlays and has the magnetic sheet. Further, the first conveyor belt, the second conveyor belt and the third conveyor belt are all arranged vertically with the forming box, and the bottom end wall of the first conveyor belt and the bottom end wall of the forming box are arranged horizontally. Further, the injection pipe corresponds to the pouring gate position on the upper template, the bottom end wall of one side of the embedded seat, which is far away from the conveyor belt, is provided with a downward extendi