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CN-224210449-U - Screw hole forming structure of injection mold of medical disposable sterile pelvic floor anastomat

CN224210449UCN 224210449 UCN224210449 UCN 224210449UCN-224210449-U

Abstract

The application discloses a threaded hole forming structure of an injection mold of a medical disposable sterile basin bottom anastomat, which relates to the technical field of injection molds and comprises a base, wherein a first connecting plate is arranged on the top surface of the base, a second connecting plate is arranged on one side of the first connecting plate, which is far away from the base, a third connecting plate is arranged on one side of the second connecting plate, which is far away from the first connecting plate, a fourth connecting plate for realizing the support of a reaction force is arranged on one side of the third connecting plate, a lower mold for supporting the mold is arranged on one side of the fourth connecting plate, which is far away from the fourth connecting plate, an upper mold which can be separated from and mutually closed with the lower mold is arranged on one side of the lower mold, a top plate is arranged on the top surface of the upper mold, a clamping plate for realizing the closing of the lower mold and the upper mold is rotatably connected on one side of the upper mold, and an injection mechanism for the injection mold is arranged in the forming structure.

Inventors

  • PENG XUEFAN
  • YIN SHILIN

Assignees

  • 上海雪枫精密机械有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (8)

  1. 1. The utility model provides a screw hole shaping structure of medical disposable aseptic pelvic floor anastomat injection mold, which is characterized by comprising a base (1), the top surface of base (1) is provided with connecting plate one (2), one side that connecting plate one (2) kept away from base (1) is provided with connecting plate two (3), one side that connecting plate two (3) kept away from connecting plate one (2) is provided with connecting plate three (4), one side that connecting plate three (4) kept away from connecting plate two (3) is provided with connecting plate four (5) that are used for realizing reaction force support, one side that connecting plate four (5) kept away from connecting plate three (4) is provided with lower mould (6) that are used for supporting the mould, one side that lower mould (6) kept away from connecting plate four (5) is provided with last mould (7) that can separate and close each other with lower mould (6), the top surface of last mould (7) is provided with roof (8), one side rotation of last mould (7) is connected with and is used for realizing the joint connection of lower mould (6) and last mould (7) closed joint board (11), one side of lower mould (6) fixedly connected with joint connection and adapter plate (12); an injection mechanism for an injection mold is arranged in the molding structure.
  2. 2. The screw hole forming structure of the injection mold of the medical disposable sterile basin bottom anastomat of claim 1, wherein the injection molding mechanism comprises an injection molding opening (91), the injection molding opening (91) is fixedly connected in the top plate (8), a shell (95) is arranged in the lower mold (6), the upper mold (7) and the injection molding opening (91) are fixedly penetrated and mutually communicated, and an injection molding flow pipe (92) fixedly connected and communicated with the lower mold (6) is fixedly connected and communicated with the bottom surface of the injection molding opening (91).
  3. 3. The screw hole forming structure of the injection mold of the medical disposable sterile basin bottom anastomat, as set forth in claim 2, is characterized in that a handle (93) fixedly connected with a shell (95) is arranged between the lower mold (6) and the upper mold (7) in an injection molding manner, a demolding mechanism for realizing thread demolding is arranged in the handle (93), and a plurality of cooling pipes (94) are arranged in the upper mold (7).
  4. 4. The screw hole forming structure of the injection mold of the medical disposable sterile pelvic floor anastomat of claim 3, wherein the demolding mechanism comprises a slide way (1001), the slide way (1001) is fixedly connected with the first connecting plate (2) and communicated with the first connecting plate, and an electric push rod (1002) is fixedly connected to one side of the slide way (1001) away from the first connecting plate (2).
  5. 5. The screw hole forming structure of the injection mold of the medical disposable sterile pelvic floor anastomat of claim 4, wherein the output end of the electric push rod (1002) is connected in a penetrating and sliding manner in the slide way (1001), and the output end of the electric push rod (1002) is fixedly connected with a rack (1003) which is connected in the first connecting plate (2) and the slide way (1001) in a sliding manner.
  6. 6. The screw hole forming structure of the injection mold of the medical disposable sterile basin bottom anastomat of claim 5, wherein the inner wall of the first connecting plate (2) is rotationally connected with a first gear (1004) which is meshed with a rack (1003) and is matched with the rack, and the top surface of the first gear (1004) is fixedly connected with a second gear (1005) which is rotationally connected with the second connecting plate (3).
  7. 7. The screw hole forming structure of the injection mold of the medical disposable sterile pelvic floor anastomat of claim 6, wherein a gear III (1006) which is meshed and matched with the gear II (1005) is rotatably connected in the connecting plate II (3), and a rotating column (1007) is fixedly connected in the gear III (1006).
  8. 8. The screw hole forming structure of the injection mold of the medical disposable sterile pelvic floor anastomat of claim 1, wherein a protective sleeve (1008) sleeved on the outer surface of a rotating column (1007) is fixedly connected inside the connecting plate IV (5), and one end of the rotating column (1007) far away from a gear III (1006) is fixedly connected with a screw column (1009) which is meshed with a handle (93) and matched with the screw column.

Description

Screw hole forming structure of injection mold of medical disposable sterile pelvic floor anastomat Technical Field The application relates to the technical field of injection molds, in particular to a threaded hole forming structure of an injection mold of a medical disposable sterile basin bottom anastomat. Background At present, in the field of medical equipment manufacturing, a screw hole forming technology is a key link for ensuring the functionality, safety and reliability of an instrument, and the screw hole forming technology of a traditional injection mold mainly depends on forced demolding of an inclined ejection rod, however, along with the development of the medical instrument to the miniaturized, high-precision and aseptic directions, the traditional technology gradually exposes limitations. When the inclined ejector rod demolding mode is used for coping with tiny threads (such as the puncture needle sleeve threads with the diameter smaller than 2 mm), the threads are easy to deform or break due to stress concentration, the abrasion speed is high, the service life of the mold is limited, in addition, the forced demolding technology is only suitable for soft plastics (such as TPE), and the thread profile of hard engineering plastics (such as PPSU and PEI) can be damaged due to overlarge demolding force. Disclosure of utility model In order to solve the problem that demolding leads to deformation or fracture of threads, the application provides a threaded hole forming structure of an injection mold of a medical disposable sterile basin bottom anastomat. The application provides a screw hole forming structure of an injection mold of a medical disposable sterile basin bottom anastomat, which adopts the following technical scheme: The utility model provides a screw hole shaping structure of medical disposable aseptic pelvic floor anastomat injection mold, includes the base, the top surface of base is provided with connecting plate one, one side that connecting plate one kept away from the base is provided with connecting plate two, one side that connecting plate two kept away from connecting plate one is provided with connecting plate three, one side that connecting plate three kept away from connecting plate two is provided with the connecting plate four that is used for realizing the reaction force to support, one side that connecting plate four kept away from connecting plate three is provided with the bed die that is used for supporting the mould, one side that the bed die kept away from connecting plate four is provided with the upper mould that can separate and mutually close with the bed die, the top surface of upper mould is provided with the roof, one side rotation of upper mould is connected with the joint board that is used for realizing bed die and upper mould closure, one side fixedly connected with of bed die with joint block of joint adaptation; an injection mechanism for an injection mold is arranged in the molding structure. Through adopting above-mentioned technical scheme, base, connecting plate one, connecting plate two, connecting plate three, connecting plate four, bed die, go up mould and roof and be used for multilayer connecting plate design dispersion injection molding pressure, prevent that the mould warp, the joint board realizes repeatedly positioned with the joint piece to ensure closely connected between bed die, the last mould, injection molding mechanism is used for realizing injection molding die. Preferably, the injection molding mechanism comprises an injection molding opening, the injection molding opening is fixedly connected to the inside of the top plate, a shell is arranged in the lower die, the inside of the upper die and the injection molding opening penetrate through and are fixedly communicated with each other, and an injection molding flow pipe fixedly connected and communicated with the lower die is fixedly connected and communicated with the bottom surface of the injection molding opening. By adopting the technical scheme, the injection molding opening is conical, so that shearing heat is reduced (degradation of PEEK and other high-temperature medical materials is prevented), and the injection molding flow tube is used for pouring injection molding fluid in the injection molding opening into the mold cavity. Preferably, a handle fixedly connected with the shell is arranged between the lower die and the upper die in an injection molding mode, a demoulding mechanism for realizing thread demoulding is arranged in the handle, and a plurality of cooling pipes are arranged in the upper die. Through adopting above-mentioned technical scheme, demoulding mechanism is used for demoulding injection mold through screw thread pivoted mode, and the cooling tube is used for cooling for the injection molding, makes its solidification, accelerates its shaping speed. Preferably, the demolding mechanism comprises a slide way, wherein the slide way is fixedly connected wi