CN211542194U

CN211542194U - Medical instrument injection molding mould

Info

Publication number: CN211542194U
Application number: CN201922487475.9U
Authority: CN
Inventors: 刘伟; 韩健秋; 贺永林
Original assignee: Suzhou Xinxuda Precision Mould Technology Co ltd
Current assignee: Suzhou Xinxuda Precision Mould Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a medical instrument injection moulding mould, the on-line screen storage device comprises a base, lower mould and last mould, go up the mould setting at the top of lower mould, the lower mould sets up the inside at the base, the middle part on last mould top is provided with the mouth of moulding plastics, the rectangular channel has all been seted up at the top of base both sides, the bottom of lower mould is seted up flutedly, the inside of recess is provided with ejection mechanism, ejection mechanism is by a plurality of movable rod, a connecting rod, two connecting plates and two reset spring are constituteed, the bottom of two connecting plates all is provided with actuating mechanism, actuating mechanism is by the movable block, electric putter and backup pad. This kind of medical instrument injection moulding mould uses through the cooperation of movable rod, connecting rod and connecting plate, makes people can pass through control electric putter, makes electric putter drive movable block and connecting plate rebound, makes the connecting rod drive the inside of movable rod rebound with the ejecting lower mould of the inside shaping component of lower mould, has promoted the practicality.

Description

Medical instrument injection molding mould

Technical Field

The utility model relates to a mold, in particular to an injection molding mold for medical instruments.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, precise product size, easy product replacement, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

At present, most medical instrument are all through injection molding machine and injection mold injection moulding when producing, but because the thick nature of raw materials is consequently when taking out fashioned component at the in-process of moulding plastics, the component is pasted together easily with the inner wall of mould and is difficult for taking out to the lower mould on most injection mold is on the base of fixing on the workstation through a plurality of bolts, consequently need dismantle repeatedly and construction bolt when changing the lower mould, is not convenient for change the lower mould. Therefore, the medical instrument injection molding mold is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an injection molding mold for medical instruments, which comprises a base, a lower mold and an upper mold, wherein the upper mold is arranged at the top of the lower mold, the lower mold is arranged inside the base, the middle part of the top end of the upper mold is provided with an injection port, the tops of the two sides of the base are both provided with rectangular grooves, the bottom of the lower mold is provided with a groove, the inside of the groove is provided with an ejection mechanism, the ejection mechanism consists of a plurality of movable rods, a connecting rod, two connecting plates and two reset springs, the bottom ends of the two connecting plates are both provided with a driving mechanism, the driving mechanism consists of a movable block, an electric push rod and a supporting plate, the movable block and the electric push rod are arranged at the top of the supporting plate, the two sides of the front and the back of the base are both provided with fixing mechanisms, the electric push rod is electrically connected with an external power supply through an external telescopic switch.

As a preferred technical scheme of the utility model, a plurality of through-hole has been seted up to lower mould inner chamber's bottom, the shape of through-hole and the shape of movable rod are circular, a plurality of the inside of through-hole is laminated with the outside of a plurality of movable rod respectively.

As a preferred technical scheme of the utility model, a plurality of the bottom of movable rod all with the top fixed connection of connecting rod, the both ends of connecting rod respectively with the one end fixed connection of two connecting plates, two the outside of connecting plate all with the inside sliding connection of recess.

As a preferred technical scheme of the utility model, two reset spring is located the top of two connecting plates respectively, two reset spring's one end respectively with one side fixed connection on two connecting plate tops, two reset spring's the other end respectively with the both sides fixed connection on recess top.

As a preferred technical scheme of the utility model, the middle part of movable block bottom and electric putter's top fixed connection, electric putter's bottom and the middle part fixed connection on backup pad top, one side of backup pad and the bottom fixed connection of base one side.

As a preferred technical scheme of the utility model, the outside of threaded rod alternates with the middle part of support and is connected, the equal fixedly connected with round bar in both ends of support one side, two the equal fixed mounting of round bar is in the outside of base.

As a preferred technical scheme of the utility model, the draw-in groove has all been seted up to the both sides at the lower mould front and the back, the one end of threaded rod runs through and extends to the inside of base and is connected with the inside interlude of one of them draw-in groove.

As a preferred technical scheme of the utility model, compression spring sets up the outside at the threaded rod, one end of compression spring and one side fixed connection of support, compression spring's the other end and one side laminating of nut, the inside of nut and the outside threaded connection of threaded rod.

The utility model has the advantages that:

1. this kind of medical instrument injection moulding mould uses through the cooperation of movable rod, connecting rod and connecting plate, makes people can pass through control electric putter, makes electric putter drive movable block and connecting plate rebound, makes the connecting rod drive the inside of movable rod rebound with the ejecting lower mould of the inside shaping component of lower mould, has promoted the practicality.

2. This kind of medical instrument injection moulding mould uses through the cooperation of nut, compression spring, threaded rod and support, makes people can pass through the operation threaded rod, makes its can relax with the inside that the draw-in groove separated or inserted the draw-in groove under the effect of compression spring restoring force, and then has made things convenient for the change of lower mould to people can adjust compression spring's elasticity through rotating the nut, make the inside that the draw-in groove was inserted that the threaded rod can be firm, be difficult for breaking away from, have promoted the practicality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an injection molding mold for medical instruments according to the present invention;

fig. 2 is an enlarged schematic structural view of a portion a of the injection mold for medical instruments of the present invention;

FIG. 3 is a schematic cross-sectional view of a lower mold of the injection mold for medical devices of the present invention;

fig. 4 is a schematic view of a base structure of the injection mold for medical devices of the present invention.

In the figure: 1. a base; 2. a lower die; 3. an upper die; 4. an injection molding port; 5. a groove; 6. a movable rod; 7. a connecting rod; 8. a connecting plate; 9. a return spring; 10. a rectangular groove; 11. a support plate; 12. an electric push rod; 13. a movable block; 14. a support; 15. a threaded rod; 16. a compression spring; 17. and a nut.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1, 2, 3 and 4, the utility model relates to an injection molding mold for medical instruments, which comprises a base 1, a lower mold 2 and an upper mold 3, wherein the upper mold 3 is arranged at the top of the lower mold 2, the lower mold 2 is arranged inside the base 1, the middle part of the top end of the upper mold 3 is provided with an injection port 4, the tops of the two sides of the base 1 are both provided with a rectangular groove 10, the bottom of the lower mold 2 is provided with a groove 5, the inside of the groove 5 is provided with an ejection mechanism, the ejection mechanism is composed of a plurality of movable rods 6, a connecting rod 7, two connecting plates 8 and two reset springs 9, the bottom ends of the two connecting plates 8 are both provided with driving mechanisms, the driving mechanisms are composed of a movable block 13, an electric push rod 12 and a supporting plate 11, the electric push rod 12 is a YS-NZ-1224A type electric push rod, the movable block 13 and the electric push rod 12, the fixing mechanism is composed of a support 14, a threaded rod 15, a compression spring 16 and a nut 17, and the electric push rod 12 is electrically connected with an external power supply through an external telescopic switch.

Wherein, a plurality of through-hole has been seted up to the bottom of 2 inner chambers of lower mould, and the shape of through-hole is circular with the shape of movable rod 6, and the inside of a plurality of through-hole is laminated with the outside of a plurality of movable rod 6 respectively, through the through-hole, when making movable rod 6 remove along with connecting rod 7, can be with the inside of 2 inside shaping components ejecting lower moulds of lower mould 2 of lower mould.

Wherein, the bottom of a plurality of movable rod 6 all with the top fixed connection of connecting rod 7, the both ends of connecting rod 7 respectively with the one end fixed connection of two connecting plates 8, the outside of two connecting plates 8 all with the inside sliding connection of recess 5, through movable rod 6, connecting rod 7 and connecting plate 8's cooperation is used, make people can be through controlling electric putter 12, make electric putter 12 drive movable block 13 and connecting plate 8 rebound, make connecting rod 7 drive the inside of movable rod 6 rebound with the ejecting lower mould 2 of the inside shaping component of lower mould 2, the practicality has been promoted.

Wherein, two reset spring 9 are located the top of two connecting plates 8 respectively, two reset spring 9's one end respectively with one side fixed connection on two connecting plate 8 tops, two reset spring 9's the other end respectively with the both sides fixed connection on recess 5 top, through reset spring 9's restoring force, when making movable block 13 descend along with electric putter 12, two connecting plates 8 and connecting rod 7 can descend, and then make movable rod 6 retract into the inside of recess 5.

Wherein, the middle part of movable block 13 bottom and electric putter 12's top fixed connection, electric putter 12's bottom and the middle part fixed connection on backup pad 11 top, one side of backup pad 11 and the bottom fixed connection of base 1 one side, through electric putter 12, can drive movable block 13 when making its extension and remove, and then drive connecting plate 8, connecting rod 7 and movable rod 6 and remove, make movable rod 6 can be ejecting with the shaping component in lower mould 2.

Wherein, the outside of threaded rod 15 alternates with the middle part of support 14 and is connected, the equal fixedly connected with round bar in both ends of support 14 one side, and the equal fixed mounting of two round bars is in the outside of base 1, through the round bar, makes support 14 can connect on base 1, and then threaded rod 15 can connect on support 14.

Wherein, the draw-in groove has all been seted up to the both sides at the front and the back of lower mould 2, and the one end of threaded rod 15 runs through and extends to the inside of base 1 and be connected with the inside interlude of one of them draw-in groove, through the draw-in groove, makes threaded rod 15 insert the inside back of draw-in groove, can fix lower mould 2 in the inside of base 1.

Wherein, compression spring 16 sets up the outside at threaded rod 15, one side fixed connection of one end of compression spring 16 and support 14, compression spring 16's the other end and the laminating of one side of nut 17, the inside of nut 17 and the outside threaded connection of threaded rod 15, through nut 17, compression spring 16, threaded rod 15 and support 14's cooperation is used, make people can pass through operation threaded rod 15, make its inside that inserts the draw-in groove under the effect with draw-in groove separation or at compression spring 16 restoring force that can relax, and then made things convenient for the change of lower mould 2, and people can adjust compression spring 16's elasticity through swivel nut 17, make the inside of the draw-in groove that inserts that threaded rod 15 can be firm, be difficult for breaking away from, the practicality has been promoted.

When the injection molding machine works, firstly, the upper die 3 and the base 1 are respectively installed on the designated positions of an external press machine, the upper die 3 and the lower die 2 are attached through the press machine, raw materials can be injected into the upper die 3 and the lower die 2 through the injection molding port 4 by the injection molding machine, after the injection molding is finished, the raw materials are waited to be cooled, after the raw materials are cooled, the upper die 3 and the lower die 2 are separated through the press machine, the two electric push rods 12 are controlled to extend through the telescopic switch, the two electric push rods 12 drive the two movable blocks 13 to move, the two movable blocks 13 drive the two connecting plates 8 and the connecting rods 7 to move upwards and drive the plurality of movable rods 6 to move, a molding element in the lower die 2 is ejected, the element is taken down, the two electric push rods 12 are controlled to contract, the two connecting plates 8 and the connecting rods 7 drive the plurality of movable rods, outwards stimulate four threaded rods 15, make the tip and the separation of four draw-in grooves of four threaded rods 15, take off lower mould 2, put into the inside of base 1 with new lower mould 2, loosen four threaded rods 15, make four threaded rods 15 insert the inside of four draw-in grooves under the effect of four compression spring 16 restoring forces, make lower mould 2 fix the inside at base 1, people can adjust four compression spring 16's compressive capacity through rotating nut 17, make the inside that the draw-in groove was inserted that threaded rod 15 can be firm.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The injection molding mold for the medical instrument comprises a base (1), a lower mold (2) and an upper mold (3), and is characterized in that the upper mold (3) is arranged at the top of the lower mold (2), the lower mold (2) is arranged inside the base (1), an injection molding port (4) is arranged in the middle of the top end of the upper mold (3), rectangular grooves (10) are formed in the tops of two sides of the base (1), grooves (5) are formed in the bottom of the lower mold (2), an ejection mechanism is arranged inside the grooves (5), the ejection mechanism consists of a plurality of movable rods (6), a connecting rod (7), two connecting plates (8) and two reset springs (9), driving mechanisms are arranged at the bottom ends of the two connecting plates (8), and each driving mechanism consists of a movable block (13), an electric push rod (12) and a supporting plate (11), the movable block (13) and the electric push rod (12) are arranged at the top of the supporting plate (11), the two sides of the front surface and the back surface of the base (1) are provided with fixing mechanisms, each fixing mechanism comprises a support (14), a threaded rod (15), a compression spring (16) and a nut (17), and the electric push rod (12) is electrically connected with an external power supply through an external telescopic switch.

2. The injection molding mold for medical instruments according to claim 1, wherein a plurality of through holes are formed in the bottom end of the inner cavity of the lower mold (2), the through holes and the movable rods (6) are both circular, and the insides of the through holes are respectively attached to the outsides of the movable rods (6).

3. The injection mold for medical instruments as claimed in claim 1, wherein the bottom ends of a plurality of said movable rods (6) are all fixedly connected with the top end of a connecting rod (7), the two ends of said connecting rod (7) are respectively fixedly connected with one end of two connecting plates (8), and the outer portions of two said connecting plates (8) are both slidably connected with the inner portion of the groove (5).

4. The injection mold for medical instruments as claimed in claim 1, wherein two of the return springs (9) are respectively located at the top of two connecting plates (8), one end of each of the two return springs (9) is fixedly connected with one side of the top end of each of the two connecting plates (8), and the other end of each of the two return springs (9) is fixedly connected with two sides of the top end of the groove (5).

5. The injection mold for medical instruments as claimed in claim 1, wherein the middle of the bottom end of the movable block (13) is fixedly connected with the top end of the electric push rod (12), the bottom end of the electric push rod (12) is fixedly connected with the middle of the top end of the support plate (11), and one side of the support plate (11) is fixedly connected with the bottom end of one side of the base (1).

6. The injection molding mold for the medical instrument as claimed in claim 1, wherein the outer portion of the threaded rod (15) is inserted into the middle of the bracket (14), and the two ends of one side of the bracket (14) are fixedly connected with round rods, and the two round rods are fixedly arranged on the outer side of the base (1).

7. The injection molding mold for the medical instrument as claimed in claim 1, wherein clamping grooves are formed in both sides of the front surface and the back surface of the lower mold (2), and one end of the threaded rod (15) penetrates through and extends into the base (1) and is inserted and connected with the inside of one clamping groove.

8. The injection mold for medical instruments as claimed in claim 1, wherein the compression spring (16) is disposed outside the threaded rod (15), one end of the compression spring (16) is fixedly connected to one side of the bracket (14), the other end of the compression spring (16) is attached to one side of the nut (17), and the inside of the nut (17) is in threaded connection with the outside of the threaded rod (15).