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CN-224210406-U - Flip-chip glue feeding mold of hot runner structure

CN224210406UCN 224210406 UCN224210406 UCN 224210406UCN-224210406-U

Abstract

The utility model discloses a flip-chip glue feeding mold of a hot runner structure, which comprises a fixed base, wherein a fixed mold is fixedly arranged in the middle of the top end of the fixed base, guide rods are fixedly arranged on two sides of the top end of the fixed base, and a movable mold which is in clamping connection with the fixed mold is connected between the two guide rods in a sliding manner; the design of the zigzag runner avoids the phenomena of unstable flow rate, uneven cooling and mold warping in the traditional hot runner design, provides an independent temperature control system, ensures the accurate control of the temperature of the hot runner, thereby optimizing the fluidity and cooling uniformity of plastics, simplifies the maintenance flow of the mold by adopting the design of quick disassembly and cleaning, and reduces the downtime and maintenance cost in the production process.

Inventors

  • SHI LEI
  • QIAO CHENGUANG
  • LIU LIPING
  • LAI WEIJIAN
  • Tian Huanyun

Assignees

  • 河源市山德科技有限公司

Dates

Publication Date
20260508
Application Date
20250415

Claims (7)

  1. 1. The flip-chip glue feeding mold of the hot runner structure comprises a fixed base (1) and is characterized in that a fixed mold (2) is fixedly arranged in the middle of the top end of the fixed base (1), guide rods (4) are fixedly arranged on two sides of the top end of the fixed base (1), a movable mold (3) which is connected with the fixed mold (2) in a clamping mode is connected between the guide rods (4) in a sliding mode, a top plate (5) is fixedly arranged on the top end between the guide rods (4), a hot runner component (7) is arranged in the middle of the top plate (5), ejector pin components (6) are arranged on two sides of the bottom end of the top plate (5), the bottom ends of the ejector pin components (6) are fixedly connected with the top end of the movable mold (3), the two ejector pin components (6) comprise a positioning shell (601) and a connecting plate (613), lifting grooves (605) are formed in the bottom ends of two sides of the inner wall of the positioning shell (601), lifting blocks (608) are fixedly connected with one another in a sliding mode, lifting plate (614) is arranged between the two lifting blocks (608), a lifting plate (614) is fixedly connected with the top end of the top plate (613), the top end of the hot runner component (613) and the top end (73) is fixedly connected with the connecting plate (73), the bottom end of the positioning ring (74) is connected with the top end of the hot runner pipeline (73).
  2. 2. The flip-chip glue feeding mold according to claim 1, wherein return springs (612) are fixedly mounted on two sides of the top end of the connecting plate (613), the top ends of the two return springs (612) are fixedly connected with the middle of the bottom end of the ejector plate (611), movable grooves (609) are formed in the top ends of two sides of the positioning shell (601), movable frames (610) are slidably connected in the two movable grooves (609), the top ends of the two movable frames (610) are fixedly connected with two sides of the bottom end of the ejector plate (611) respectively, and the top end of the ejector plate (611) is fixedly connected with the top plate (5).
  3. 3. The flip-chip glue feeding mold according to claim 1, wherein a displacement rod (602) is fixedly arranged at the bottom end of the inner wall of the positioning shell (601), two displacement blocks (604) are slidably connected to the surface of the displacement rod (602), a connecting spring (603) is fixedly arranged between the two displacement blocks (604), angle rods (606) are rotatably connected to the top ends of the two displacement blocks (604), angle seats (607) are rotatably connected to the top ends of the two angle rods (606), the top ends of the two angle seats (607) are fixedly connected to the bottom ends of lifting plates (614), and the bottom end of the positioning shell (601) is fixedly connected with the movable mold (3).
  4. 4. The flip-chip glue feeding mold according to claim 1, wherein a heating sleeve (71) is sleeved at the middle part of the hot runner pipeline (73), a temperature sensor (72) is fixedly arranged at the joint of the hot runner pipeline (73) and the heating sleeve (71), and the bottom end of the positioning ring (74) is fixedly connected with the top plate (5).
  5. 5. The flip-chip glue feeding mold according to claim 1, wherein the surface of the hot runner pipeline (73) is fixedly communicated with a glue feeding pipeline (75), and the bottom end of the glue feeding pipeline (75) is fixedly communicated with an injection nozzle (76).
  6. 6. The flip-chip glue feeding mold according to claim 1, wherein the surface of the fixed mold (2) and the surface of the movable mold (3) are fixedly communicated with a tortuous flow pipeline (10).
  7. 7. The flip-chip glue feeding mold according to claim 1, wherein a first forming groove (9) is formed in the middle of the top end of the fixed mold (2), and a second forming groove (8) is formed in the middle of the bottom end of the movable mold (3).

Description

Flip-chip glue feeding mold of hot runner structure Technical Field The utility model relates to the technical field of injection molding, in particular to a flip-chip glue feeding die of a hot runner structure. Background The hot runner injection molding technology is widely applied to plastic injection molding, particularly has important application in products with high precision and high requirements, and in the hot runner mold molding process, the temperature of plastic melt is precisely controlled in a runner system, so that the plastic flows into all mold cavities in a uniform state, and plastic products with uniform quality are produced. However, the conventional hot runner mold has the following disadvantages: (1) In the traditional hot runner design, the problems of inflexible glue feeding mode, easy blockage of a runner, inaccurate temperature control in the injection molding process and the like generally exist, and particularly in some complicated mold designs, the glue feeding position and the runner configuration of the hot runner are unreasonable, so that the injection molding efficiency is reduced, the product quality is damaged, and the production cost is increased; (2) The design of the glue feeding position of the existing hot runner system is often fixed, and plastic residues are easy to accumulate in the glue feeding channel, so that uneven injection molding, impurity pollution and blockage are caused; (3) In the existing mold design, the glue feeding direction of a hot runner is unreasonable, so that plastic flows unsmoothly, temperature control in the runner is uneven, cooling time is too long, and molding efficiency is low; (4) The maintenance of conventional hot runner design is comparatively complicated, especially when the rubberizing system appears blockking up, and clearance work is loaded down with trivial details, has reduced production efficiency. Disclosure of utility model The utility model aims to provide a flip-chip glue feeding mold of a hot runner structure, which aims to solve the problems that in the traditional hot runner design, a glue feeding mode is not flexible enough, a runner is easy to block, temperature control in an injection molding process is inaccurate and the like, particularly in some complicated mold designs, the glue feeding position and the runner configuration of the hot runner are unreasonable, so that the injection molding efficiency is reduced, the product quality is damaged, the production cost is increased, the glue feeding position of the traditional hot runner system is often fixed, plastic residues are easy to accumulate in the glue feeding channel, so that the injection molding is uneven, impurity pollution and blockage are caused, in the traditional mold design, the glue feeding direction of the hot runner is unreasonable, so that plastic flow is unsmooth, the temperature control in the runner is uneven, the cooling time is overlong, the molding efficiency is low, the maintenance of the traditional hot runner design is complex, and particularly when the glue feeding system is blocked, the cleaning work is complicated, and the production efficiency is reduced. The inverted glue feeding mold comprises a fixed base, wherein a fixed mold is fixedly arranged in the middle of the top end of the fixed base, guide rods are fixedly arranged on two sides of the top end of the fixed base, a movable mold which is in clamping connection with the fixed mold is connected between the two guide rods in a sliding manner, a top plate is fixedly arranged on the top end between the two guide rods, a hot runner assembly is arranged in the middle of the top end of the top plate, ejector pin assemblies are arranged on two sides of the bottom end of the top plate, the bottom ends of the two ejector pin assemblies are fixedly connected with the top end of the movable mold, the two ejector pin assemblies comprise positioning shells and connecting plates, lifting grooves are formed in the bottom ends of two sides of the inner wall of the positioning shells, lifting blocks are fixedly arranged between the two lifting blocks, the top ends of the lifting plates are fixedly connected with the bottom ends of the connecting plates, ejector pin plates are arranged on the top ends of the connecting plates, the hot runner assemblies comprise positioning rings and hot runner pipes, and the bottom ends of the positioning rings are connected with the hot runner pipes. Preferably, reset springs are fixedly installed on two sides of the top end of the connecting plate, two reset springs are fixedly connected with the middle part of the bottom end of the ejector plate, movable grooves are formed in the tops of two sides of the positioning shell, movable frames are slidably connected in the movable grooves, two movable frames are fixedly connected with two sides of the bottom end of the ejector plate respectively on the top ends of the movable frames, the top ends of the ejector pl