CN218139678U - Prevent silica gel medical supplies mould of overlap - Google Patents

Abstract

The utility model provides a prevent silica gel medical supplies mould of overlap, including mutually supporting movable mould subassembly and cover half subassembly and ejecting subassembly, enclose synthetic complete die cavity behind movable mould subassembly and the cover half subassembly compound die, ejecting subassembly includes removal base, release link and ejector pin, the one side of movable mould is kept away from at the die cavity to the setting that the removal base can reciprocate, and release link one end is fixed on removing the base, and the top surface of cover half subassembly is worn out to the other end, and the top of ejector pin is passed the through-hole that communicates with the die cavity and with the core fixed connection that is located the die cavity, and the bottom and the removal base of ejector pin pass through spring coupling, the radial area of core and ejector pin link is greater than the radial cross sectional area of ejector pin, and the top height of ejector pin highly is less than the top height of release link. Above-mentioned prevent silica gel medical supplies mould of overlap, simple structure has avoided the formation of overlap in the production process through the setting of spring.

Description

Prevent silica gel medical supplies mould of overlap

Technical Field

The utility model relates to a medical supplies production field, concretely relates to prevent silica gel medical supplies mould of overlap.

Background

Injection molding, also known as injection molding, is widely used for manufacturing silica gel medical supplies because of its high production speed, high efficiency, automation of operation, wide shape application range and precise product size.

The laryngeal mask is a medical appliance which is placed in the mouth and the throat of a patient to establish safe playing when the patient performs general anesthesia operation, the laryngeal mask generally comprises a film type air bag, an air guide tube and an inflation tube, wherein the air bag is connected with the tail end of the air guide tube through an air bag connector, the inflation tube is connected with the air bag, the existing air bag is generally formed by liquid silica gel injection molding, an ejector rod is required to be ejected out for demolding after the injection molding is finished, in order to prevent flash, the top end of the ejector rod is required to keep consistent with the bottom of a mold cavity after the mold closing, in the structure, when the ejector rod moves up and down, stroke compensation does not exist, if the laryngeal mask is used for a long time, stroke errors can be generated due to abrasion, the top end of the ejector rod is caused to be inconsistent with the bottom of the mold cavity after the mold closing, further flash is formed, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent silica gel medical supplies mould of overlap to prior art not enough, through setting up the telescopic spring, avoided processing medical supplies in-process to produce overlap, simple structure.

For realizing above-mentioned purpose, the technical scheme of the utility model be realized like this, a prevent silica gel medical supplies mould that flies limit, including mutually supporting movable mould subassembly and cover half subassembly and ejecting subassembly, enclose synthetic complete die cavity behind movable mould subassembly and the cover half subassembly compound die, ejecting subassembly includes moving base, release link and ejector pin, moving base can reciprocate set up the one side of keeping away from the movable mould at the die cavity, and release link one end is fixed on moving base, and the top surface of cover half subassembly is worn out to the other end, and the top of ejector pin is passed the through-hole that communicates with the die cavity and with the core fixed connection that is located the die cavity, and the bottom of ejector pin passes through spring coupling with moving base, the radial area of core and ejector pin link is greater than the radial cross sectional area that the ejector pin penetrates the through-hole of die cavity, and the top height of ejector pin is less than the top height of release link.

The movable die assembly comprises a movable die holder and a movable die fixed to the bottom of the movable die holder, a movable die core is installed in a groove formed in one face of the movable die facing the fixed die, the fixed die assembly comprises a fixed die holder, a fixed die fixed to the top face of the fixed die holder and a fixed die core embedded in one side of the fixed die facing the movable die, and the fixed die core is inserted into the groove of the movable die and then surrounds the groove with the movable die core to form a complete cavity.

Specifically, the periphery position that the movable mould is located the recess is provided with the guiding hole, and the position that the cover half corresponds the movable mould guiding hole is provided with the guide post.

Specifically, a spring sleeve is arranged on the movable base, the spring is located in the spring sleeve, one end of the spring is fixedly connected with the movable base, and the other end of the spring is fixedly connected with an ejector rod inserted into the spring sleeve.

Prevent silica gel medical supplies mould of overlap that obtains through above-mentioned technical scheme, its beneficial effect is:

the spring is used for automatic stroke compensation of the ejector rod, the stroke of the ejector rod is not required to be accurately controlled, the mold core is always tightly abutted against the bottom of the mold cavity when the mold is closed, liquid silica gel is prevented from leaking to form flash, and the ejector rod is moved in the direction away from the movable mold through the arrangement of the reset rod fixed on the movable base; simultaneously, the ejector rod can be ejected out to achieve the demolding effect when the spring is reset, and the structure is simple.

Drawings

Fig. 1 is a schematic structural diagram of the flash-preventing silica gel medical article mold.

Fig. 2 is a schematic structural diagram of the ejection assembly.

In the figure, a movable die assembly 1; a movable die holder 11; a movable mold 12; the guide hole 12a; a moving core 13; the fixed die component 2; a fixed die holder 21; a stationary mold 22; the guide posts 22a; a core setter 23; the ejection component 3; a moving base 31; a reset lever 32; a spring 33; a spring sleeve 34; a top rod 35; and a core 4.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Taking production laryngeal mask gasbag as an example, a prevent silica gel medical supplies mould that flies limit, including the movable mould subassembly 1 and the cover half subassembly 2 and the ejecting subassembly 3 that mutually support, enclose synthetic complete die cavity after movable mould subassembly 1 and the cover half subassembly 2 compound die, ejecting subassembly 3 includes removal base 31, release link 32 and ejector pin 35, removal base 31 is located the one side that the movable mould 12 was kept away from to the die cavity, and release link 32 one end is fixed on removal base 31, and the other end wears out the top surface of cover half subassembly 2, and during the compound die, movable mould subassembly 1 promotes release link 32 and makes removal base 31 move to the direction of keeping away from movable mould subassembly 1, and the top of ejector pin 35 passes the through-hole that communicates with the die cavity and with core 4 fixed connection that is located the die cavity, and the radial area of core 4 and ejector pin link is greater than the radial cross-sectional area of the through-hole that ejector pin 35 penetrated the die cavity, and the top height of ejector pin 35 is less than release link 32, is provided with spring 33 between the bottom of ejector pin 35 and the removal base 31, spring 33 both ends respectively with ejector pin 35 and removal base 31 fixed connection.

As shown in the figure, the movable die assembly 1 comprises a movable die holder 11 and a movable die 12 fixed at the bottom of the movable die holder 11, a movable die core 13 is installed in a groove formed in one side of the movable die 12 facing the fixed die 22, and a guide hole 12a is formed in the movable die 12 at the periphery of the groove; the fixed die component 2 comprises a fixed die holder 21, a fixed die 22 fixed on the top surface of the fixed die holder 21 and a fixed die core 23 embedded on one side of the fixed die 22 facing the movable die 12, the fixed die core 23 is inserted into the groove of the movable die 12 and then surrounds the fixed die core with the movable die core 13 to form a complete die cavity, and guide posts 22a are arranged at the positions of the fixed die 22 corresponding to the guide holes 12a of the movable die 12 so as to ensure that the movable die component 1 and the fixed die component can be accurately matched; the ejection assembly 3 comprises an ejector rod 35, a movable base 31 and a reset rod 32, wherein the ejector rod 35, the movable base 31 and the reset rod 32 are vertically arranged, the movable base 31 can be vertically arranged in the fixed die base 21, the bottom end of the reset rod 32 is fixed on the movable base 31, the top end of the reset rod penetrates out of the top surface of the fixed die 22, one end of the ejector rod 35 is connected with a spring 33 fixed on the movable base 31, and the other end of the ejector rod passes through the fixed die 22 and the fixed die core 23 to be connected with the mold core 4 in the mold cavity.

The positions of the guide holes 12a and the guide posts 22a can be interchanged, namely, the guide holes 12a are arranged on the fixed die 22, and the guide posts 22a are arranged on the movable die 12, so that the realization of the guide function is not influenced.

Specifically, a spring sleeve 34 is arranged on the moving base 31, the spring 33 is positioned in the spring sleeve 34, one end of the spring 33 is fixedly connected with the moving base 31, and the other end of the spring 33 is fixedly connected with a mandril 35 inserted into the spring sleeve 34; the number of the reset rods 32 is not less than two, and the reset rods are respectively positioned on two sides of the top rod 35.

During actual production, the movable mold component 1 moves towards the fixed mold component 2, the movable mold 12 applies downward force to the reset rod 32, the reset rod 32 drives the movable base 31 and the ejector rod 35 to move towards the direction away from the movable mold 12, when the bottom of the mold core 4 is contacted with the bottom of the mold cavity, the reset rod 32 drives the movable base 31 to continue to move downwards, the spring 33 is stretched, the spring 33 applies pulling force to the ejector rod 35, the force of the bottom of the mold core 4 abutting against the bottom of the mold cavity is increased, liquid silica gel is prevented from leaking from a through hole extending out of the ejector rod 35 to form flash, and as long as the requirement that the height of the top end of the reset rod 32 is higher than the height of the top end of the ejector rod 35 is met, the bottom of the mold core can be always pressed against the mold cavity during mold closing; after the air bag is molded, the movable mold component 1 moves away from the fixed mold component 2 quickly, the ejector rod 35 is ejected upwards under the action of the spring 33, and the molded air bag is ejected out of the mold cavity.

Compared with the prior art that the push rod 35 is driven to move by a hydraulic cylinder or other driving devices, the stroke of the push rod 35 can be prevented from forming flash without accurate control.

The flash-proof silica gel medical article mould is not limited to the production of air bags, is suitable for the production of other injection products with cores, and has wide application range.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical staff probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (4)

1. The utility model provides a prevent silica gel medical supplies mould that overlap, its characterized in that, includes movable mould subassembly and cover half subassembly and the ejecting subassembly of mutually supporting, encloses synthetic complete die cavity behind movable mould subassembly and the cover half subassembly compound die, ejecting subassembly includes removal base, release link and ejector pin, the one side of movable mould is kept away from at the die cavity to the setting that the removal base can reciprocate, and release link one end is fixed on the removal base, and the top surface of cover half subassembly is worn out to the other end, the top of ejector pin pass with the through-hole of die cavity intercommunication and with the core fixed connection who is located the die cavity, the bottom of ejector pin passes through spring coupling with the removal base, the radial area of core and ejector pin link is greater than the radial cross sectional area of the through-hole that the ejector pin penetrated the die cavity, the top height of ejector pin is less than the top height of release link.

2. The anti-flash silica gel medical product mold according to claim 1, wherein the movable mold assembly comprises a movable mold seat and a movable mold fixed at the bottom of the movable mold seat, a movable mold core is installed in a groove formed in one side of the movable mold facing the fixed mold, the fixed mold assembly comprises a fixed mold seat, a fixed mold fixed at the top surface of the fixed mold seat and a fixed mold core embedded at one side of the fixed mold facing the movable mold, and the fixed mold core is inserted into the groove of the movable mold and then surrounds the fixed mold core to form a complete cavity.

3. The edge-flying-preventing silica gel medical supply mold according to claim 2, wherein the movable mold is provided with a guide hole at the position of the periphery of the groove, and the fixed mold is provided with a guide post at the position corresponding to the guide hole of the movable mold.

4. The edge-flying-preventing silica gel medical supply mold according to claim 1, wherein the movable base is provided with a spring sleeve, the spring is positioned in the spring sleeve, one end of the spring is fixedly connected with the movable base, and the other end of the spring is fixedly connected with an ejector rod inserted into the spring sleeve.

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