Medical injector mold capable of rapidly replacing mold core

By introducing a fixing and facilitating mechanism into the medical syringe mold, and utilizing components such as threaded rods, arc plates, torsion springs, and sliding blocks, the stability problem of the mold cavity during removal is solved, achieving stable fixing and convenient replacement of the mold cavity.

CN223812283UActive Publication Date: 2026-01-20SUZHOU LUNNATE IND TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520480764.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-01-20
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

When changing the mold cavity of a medical syringe, the sample lacks fixation after cooling and molding, which makes the mold cavity prone to movement when the sample is removed, affecting the removal efficiency and stability.

Method used

A medical syringe mold including a fixing mechanism and a promoting mechanism was designed. The mold cavity is fixed by an arc plate driven by a threaded rod. The mold cavity is stably fixed by a torsion spring and a fixing clamp. The fixing stability is enhanced by a sliding block and an elastic telescopic rod. An electric push rod is used to push the sealing plate.

Benefits of technology

This achieves stable fixation and sealing of the mold cavity, ensuring stability when the sample is removed and ease of replacement in the future, thus improving the efficiency and stability of the mold cavity replacement process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223812283U_ABST
    Figure CN223812283U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of injector molds, and discloses a medical injector mold with a mold core capable of being quickly replaced, which comprises a bottom plate frame, a mounting body is fixedly mounted on the surface of the bottom plate frame, an electric push rod is fixedly mounted on the side wall of the bottom plate frame, and the electric push rod is fixedly mounted on the bottom plate frame. A sealing plate is fixedly mounted at the movable end of the electric push rod, and an injection molding pipe is arranged on the surface of the sealing plate. According to the medical injector mold capable of rapidly replacing the mold core, the mold cavity is placed in the mounting body, a threaded rod is adjusted to move to drive an arc plate to fix the surface of the mold cavity, the surface of the mold cavity makes contact with one end of a fixing clamp, the fixing clamp rotates on the arc face of a straight rod, a torsional spring deforms, and the other end of the fixing clamp fixes the surface of the mold cavity; the mold cavity has fixity, the torsional spring is reset when the mold cavity is taken out and replaced, the mold cavity can be conveniently replaced next time, and the stability of the mold cavity is guaranteed while the mold cavity is replaced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to syringe mould technical field, concretely is a kind of medical syringe mould of quick replacement mould core. BACKGROUND

[0002] Medical syringe is a kind of common medical appliance, can cooperate needle and inject medicine into body, to achieve medical effect, medical syringe needs to be integrally formed in production process since needing to bear injection pressure, thus integrally formed, so injection mould is often used to make syringe form.

[0003] According to the medical syringe mould (announcement number: CN220841226U) of quick replacement mould core of public announcement, the above-mentioned application is rotated by rotating driving gear to drive rotating gear, to make claw gradually close or far away, and replace the mould cavity of suitable diameter.

[0004] But the above-mentioned equipment in actual use, when replacing mould cavity, positioning is carried out to mould cavity, but the sample of cooling forming after injection moulding, only positioning mechanism is not corresponding fixed during sample taking out, easy to cause sample to drive mould cavity to move together, affect sample's taking out;In view of this, we provide a kind of medical syringe mould of quick replacement mould core. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of medical syringe mould of quick replacement mould core to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of medical syringe mould of quick replacement mould core, including bottom plate frame, the surface of the bottom plate frame is fixedly installed with installation body, the side wall of the bottom plate frame is fixedly installed electric push rod, the movable end of the electric push rod is fixedly installed sealing plate, the surface of the sealing plate is provided with injection tube, the outside of the bottom plate frame is provided with fixed mechanism, the outside of the bottom plate frame is provided with promoting mechanism, the fixed mechanism includes:

[0007] Fixed block, the fixed block is fixedly installed on the surface of installation body, the surface of the fixed block is threadedly connected with threaded rod, the end of the threaded rod is movably connected with arc plate, the surface of the arc plate is provided with movable slot, the inner wall of the movable slot is fixedly connected with straight rod;

[0008] Torsion spring, one end of the torsion spring is fixedly connected with the arc surface of straight rod, the other end of the torsion spring is fixedly connected with the inner wall of fixed clamp, the surface of the fixed clamp is fixedly installed with rubber pad.

[0009] Preferably, the promoting mechanism comprises a sliding groove, the sliding groove is arranged on the surface of the bottom frame, the lower surface of the arc plate is fixedly connected with a connecting block, the lower surface of the connecting block is fixedly connected with an elastic telescopic rod, and the lower surface of the elastic telescopic rod is fixedly connected with a sliding block.

[0010] Preferably, the shape of the sliding block is matched with the shape of the sliding groove, so that the sliding block can slide in the sliding groove.

[0011] Preferably, the surface of the fixed block is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected with a threaded rod, and the threaded rod can be adjusted in the threaded hole of the fixed block.

[0012] Preferably, the surface of the fixed clamp is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the straight rod, and the fixed clamp is arranged on the arc surface of the straight rod.

[0013] Preferably, the shape of the movable groove is matched with the shape of the straight rod, so that the straight rod can be fixedly arranged in the movable groove.

[0014] Preferably, the number of the arc plates is two, and the two arc plates are arranged on the two sides of the mounting body in a mirror image mode, so as to fix the two ends of the mold cavity.

[0015] Compared with the prior art, the utility model provides a medical injector mold of quick replacement mold core has the following beneficial effects:

[0016] 1、 this medical injector mold of quick replacement mold core, through setting up fixed mechanism, place the mold cavity to the inside of mounting body, adjust threaded rod, make threaded rod move and drive arc plate to fix the surface of mold cavity, the surface of mold cavity contacts one end of fixed clamp, make fixed clamp rotate on the arc surface of straight rod, torsional spring deformation, the other end of fixed clamp fixes the surface of mold cavity, make subsequent sample take out, mold cavity has fixed nature, mold cavity takes out replacement and makes torsional spring reset, convenient for next time replacement mold cavity, guarantee the stability of mold cavity when replacing mold cavity.

[0017] 2、 this medical injector mold of quick replacement mold core, through setting up promoting mechanism, movable sliding block can slide in the inside of sliding groove, adjust the position along with arc plate, make sliding block, connecting block and elastic telescopic rod have the effect of lifting the lower end of arc plate, guarantee the stability of mold cavity. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the main structure schematic view of the utility model structure;

[0019] Figure 2 It is the bottom frame partial schematic view of the utility model structure;

[0020] Figure 3 It is the partial explosion schematic view of the structure fixed block of the utility model;

[0021] Figure 4 It is the partial explosion schematic view of the structure fixed clamp of the utility model.

[0022] In the drawing: 1, bottom plate frame;2, installation body;3, fixed mechanism;301, fixed block;302, threaded rod;303, arc plate;304, movable slot;305, straight rod;306, torsional spring;307, fixed clamp;308, rubber pad;4, promoting mechanism;401, sliding groove;402, connecting block;403, elastic telescopic rod;404, sliding block;5, electric push rod;6, sealing plate;7, injection pipe. DETAILED DESCRIPTION

[0023] As Figures 1-4 shown, the utility model provides a technical scheme: a kind of medical injector mould of quick replacement mould core, including bottom plate frame 1, the surface of bottom plate frame 1 is fixedly installed with installation body 2, the side wall of bottom plate frame 1 is fixedly installed electric push rod 5, the movable end of electric push rod 5 is fixedly installed sealing plate 6, the surface of sealing plate 6 is provided with injection pipe 7, the outside of bottom plate frame 1 is provided with fixed mechanism 3, the outside of bottom plate frame 1 is provided with promoting mechanism 4, and fixed mechanism 3 includes fixed block 301, threaded rod 302, arc plate 303, movable slot 304, straight rod 305, torsional spring 306, fixed clamp 307 and rubber pad 308.

[0024] In an embodiment of the utility model, fixed block 301 is fixedly installed on the surface of installation body 2, the surface of fixed block 301 is threadedly connected with threaded rod 302, the end of threaded rod 302 is movably connected with arc plate 303, the surface of arc plate 303 is provided with movable slot 304, the inner wall of movable slot 304 is fixedly connected with straight rod 305, one end of torsional spring 306 is fixedly connected with the arc surface of straight rod 305, the other end of torsional spring 306 is fixedly connected with the inner wall of fixed clamp 307, and rubber pad 308 is fixedly installed on the surface of fixed clamp 307.

[0025] In addition, promoting mechanism 4 includes sliding groove 401, sliding groove 401 is formed in the surface of bottom plate frame 1, connecting block 402 is fixedly installed on the lower surface of arc plate 303, elastic telescopic rod 403 is fixedly installed on the lower surface of connecting block 402, sliding block 404 is fixedly installed on the lower surface of elastic telescopic rod 403, the shape of sliding block 404 is matched with the shape of sliding groove 401, so that sliding block 404 can slide in the inside of sliding groove 401, the lower end of arc plate 303 is lifted, the lower end of arc plate 303 is provided with lifting groove, the shape of lifting groove is matched with the shape of connecting block 402, and the lifting effect is guaranteed.

[0026] In the embodiment of the utility model, the surface of fixed block 301 is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected with a threaded rod 302, the threaded rod 302 can be adjusted inside the threaded hole of the fixed block 301, the surface of the fixed clamp 307 is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the straight rod 305, the fixed clamp 307 is sleeved on the curved surface of the straight rod 305, the shape of the movable groove 304 is matched with the shape of the straight rod 305, so that the straight rod 305 can be fixedly installed inside the movable groove 304, the number of the arc plate 303 is two, the two arc plates 303 are mirror image distributed on the two sides of the mounting body 2, and the two ends of the mold cavity are fixed conveniently. The sealing plate 6 is provided with a centering rod, the surface of the centering rod is provided with an injection hole, the centering rod is fixedly connected with the injection pipe 7, the end of the centering rod is replaceable and matched with a sealing head of the mold cavity, the sealing head is sleeved on the surface of the centering rod, and the sealing during injection is ensured.

[0027] In the utility model, when using, the mold cavity is placed into the inside of the mounting body 2, the threaded rod 302 is adjusted, the threaded rod 302 is moved to drive the arc plate 303 to fix the surface of the mold cavity, the surface of the mold cavity is contacted with one end of the fixed clamp 307, the fixed clamp 307 is rotated on the curved surface of the straight rod 305, the torsional spring 306 is deformed, the other end of the fixed clamp 307 is fixed to the surface of the mold cavity, the subsequent sample is taken out, the mold cavity has fixity, the mold cavity is taken out and replaced, the torsional spring 306 is reset, the mold cavity is replaced next time conveniently, and the stability of the mold cavity is ensured when the mold cavity is replaced.

[0028] Further, the movable sliding block 404 slides inside the sliding groove 401 and is adjusted along with the position of the arc plate 303, so that the sliding block 404, the connecting block 402 and the elastic telescopic rod 403 have the effect of lifting the lower end of the arc plate 303, the stability of the mold cavity is ensured, then the electric push rod 5 pushes the sealing plate 6 to the surface of the mold cavity for sealing, the other end of the mold cavity has a sealing wall, and the injection pipe 7 seals the inside of the mold cavity.

[0029] The above has made the detailed description to the utility model, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to the general technical personnel in the technical field. Therefore, the modification or improvement without departing from the utility model idea spirit is within the protection scope of the utility model.

Claims

1. A quick-change medical syringe mold, comprising a base plate frame (1), wherein a mounting body (2) is fixedly mounted on the surface of the base plate frame (1), an electric push rod (5) is fixedly mounted on the side wall of the base plate frame (1), a sealing plate (6) is fixedly mounted on the movable end of the electric push rod (5), and an injection tube (7) is provided on the surface of the sealing plate (6), characterized in that: The outer side of the bottom frame (1) is provided with a fixing mechanism (3), and the outer side of the bottom frame (1) is provided with a promoting mechanism (4), the fixing mechanism (3) comprises: The fixing block (301) is fixedly installed on the surface of the mounting body (2), the surface of the fixing block (301) is threadedly connected with the threaded rod (302), one end of the threaded rod (302) is movably connected with the arc plate (303), the surface of the arc plate (303) is provided with the movable groove (304), and the inner wall of the movable groove (304) is fixedly connected with the straight rod (305). The torsional spring (306) is fixedly connected with the curved surface of the straight rod (305) at one end, and the other end of the torsional spring (306) is fixedly connected with the inner wall of the fixed clamp (307), and the surface of the fixed clamp (307) is fixedly installed with the rubber pad (308).

2. A medical syringe mold with quick change core according to claim 1, characterized in that: The promoting mechanism (4) comprises a sliding groove (401) which is arranged on the surface of the bottom frame (1), a connecting block (402) is fixedly installed on the lower surface of the arc plate (303), an elastic telescopic rod (403) is fixedly installed on the lower surface of the connecting block (402), and a sliding block (404) is fixedly installed on the lower surface of the elastic telescopic rod (403).

3. A medical syringe mold with quick change core according to claim 2, characterized in that: The shape of the sliding block (404) is matched with the shape of the sliding groove (401).

4. The rapid-change core medical syringe mold of claim 1, wherein: The surface of the fixing block (301) is provided with a threaded hole, and the inner wall of the threaded hole is threadedly connected with the threaded rod (302).

5. The rapid-change core medical syringe mold of claim 1, wherein: The surface of the fixed clamp (307) is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the straight rod (305), and the fixed clamp (307) is sleeved on the curved surface of the straight rod (305).

6. A rapid-change core medical syringe mold in accordance with claim 1, wherein: The shape of the movable groove (304) is matched with the shape of the straight rod (305).

7. A rapid mold change medical syringe mold core according to claim 1, wherein: The number of the arc plates (303) is two, and the two arc plates (303) are mirror image distributed on the two sides of the mounting body (2).

Citation Information

Patent Citations

  • Medical injector mold capable of rapidly replacing mold core

    CN220841226U