CN214000289U

CN214000289U - Medical consumable extrusion molding device

Info

Publication number: CN214000289U
Application number: CN202022191072.2U
Authority: CN
Inventors: 陈三玲; 田建贺; 田建磊
Original assignee: Henan Jianqi Medical Equipment Co Ltd
Current assignee: Henan Jianqi Medical Equipment Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-20
Anticipated expiration: 2030-09-27

Abstract

The utility model provides a medical consumptive material extrusion moulding device has solved the needle tubing mould and has once only can the shaping needle tubing, the problem of inefficiency. The utility model comprises a forming disc and a feeding mechanism matched with the forming disc; the forming disc is provided with a plurality of needle tube die cavities, and each needle tube die cavity is internally provided with a matched solid needle tube-shaped needle tube die head; the feeding mechanism comprises a feeding disc and an extruding pipe, the feeding disc is provided with a plurality of feeding groove holes which are in one-to-one correspondence with the needle tube die grooves, and the feeding disc is fixedly connected with the forming disc through a fixing screw rod; the left end of the extrusion pipe is connected with a material conveying main pipe, the material conveying main pipe is connected with a plurality of material conveying branch pipes, each material conveying branch pipe is fixedly connected with one material conveying groove hole, a material pushing circular plate capable of sliding left and right is arranged in the extrusion pipe, the material pushing circular plate is fixedly arranged at the left end of a piston rod of the cylinder, the piston rod of the cylinder is movably arranged in the extrusion pipe, the right end of the extrusion pipe is fixedly and hermetically connected with a cylinder body of the cylinder, and an extrusion pipe inlet is formed in the left end of the extrusion pipe.

Description

Medical consumable extrusion molding device

Technical Field

The utility model relates to a plastic molding technical field especially indicates a medical consumptive material extrusion moulding device.

Background

Disposable medical consumables: various consumables, which are discarded after one-time use, penetrate into human tissues or contact with the surface of skin mucosa and are used for treatment or diagnosis, are classified into sterilized medical consumables and sterilized medical consumables. In hospital medical costs, the total proportion of drugs and disposable medical consumables is very large, with drugs accounting for about 45% and consumables accounting for about 25%, and the proportion of disposable medical consumables has increased rapidly in recent years. In particular, disposable syringes are now mainly made of two materials, Polyethylene (PE) and polyvinyl chloride (PVC).

At present, when the needle tube of the disposable injector is produced, the needle tube is produced in a mode of matching an extruding machine and a mould, one mould can only form one needle tube at a time, the natural cooling time is longer, the cyclic utilization times of the mould are reduced by changing the direction, and the utilization efficiency of one mould in unit time is lower; at the same time, extruders are expensive and increase the production costs.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing needle tube mould in the background technology can only form one needle tube at a time and has low efficiency, the utility model provides a medical consumable extrusion molding device.

The technical scheme of the utility model is that: a medical consumable extrusion molding device comprises a molding disc and a feeding mechanism matched with the molding disc; the forming disc is provided with a plurality of needle tube die cavities, the needle tube die cavities are of a stepped three-time reducing structure from left to right, and the needle tube die cavities are divided into a first tube groove, a second tube groove and a third tube groove from left to right; a matched solid needle tube-shaped needle tube die head is arranged in each needle tube die groove, each needle tube die head comprises a straight rod-shaped column body, the column body is matched with the second tube groove, a gap exists between the column body and the second tube groove, a column head is arranged in the middle of the right end of the column body, the column head is matched with the third tube groove, a gap exists between the column head and the third tube groove, an annular blocking head is arranged at the left end of the column body, the blocking head is in threaded fit with the first tube groove, an upper arc plate and a lower arc plate which are symmetrical to each other are arranged at the outer edge of the right end of the blocking head, the arc plates are parallel and level with the inlets of the second tube groove, a notch for preparing lug plates of the needle tubes is formed between the two arc plates, and a handle is arranged at the left end of the blocking head; the feeding mechanism comprises a feeding disc and an extruding pipe, the feeding disc is provided with a plurality of feeding groove holes which are in one-to-one correspondence with the needle tube die grooves, and the feeding disc is fixedly connected with the forming disc through a fixing screw rod; the left end of the extrusion pipe is connected with a material conveying main pipe, the material conveying main pipe is connected with a plurality of material conveying branch pipes, each material conveying branch pipe is fixedly connected with one material conveying groove hole, a material pushing circular plate capable of sliding left and right is arranged in the extrusion pipe, the material pushing circular plate is fixedly arranged at the left end of a piston rod of the cylinder, the piston rod of the cylinder is movably arranged in the extrusion pipe, the right end of the extrusion pipe is fixedly and hermetically connected with a cylinder body of the cylinder, and an extrusion pipe inlet is formed in the left end of the extrusion pipe.

The conveying dry pipe is a feeding ring pipe, a feeding joint is arranged on the right side face of the feeding ring pipe, an extruding pipe outlet is arranged at the left end of the extruding pipe, and the feeding joint is in threaded connection with the extruding pipe outlet.

The feeding slot of the feeding tray is internally provided with a detachable insertion pipe, and the right end of the insertion pipe is fixedly connected with the material conveying branch pipe.

The centre of a circle equidistance of needle tubing die cavity wound into the molding disc is equipped with the coolant liquid ring road near the needle tubing die cavity in the molding disc, and the upper portion of molding disc is equipped with the coolant liquid entry with coolant liquid ring road intercommunication, and the lower part of molding disc is equipped with the coolant liquid export with coolant liquid ring road intercommunication.

The cooling liquid ring comprises an outer ring and an inner ring, the needle tube die cavity is positioned between the outer ring and the inner ring, the cooling liquid inlet is communicated with the upper ends of the outer ring and the inner ring, and the cooling liquid outlet is communicated with the lower ends of the outer ring and the inner ring.

The utility model has the advantages that: the utility model discloses set up a plurality of needle tubing die cavities at the shaping dish, cooperation needle tubing die head and feeding mechanism, a plurality of needle tubing of one-shot forming has improved the efficiency of mould, after the needle tubing shaping, because of the otic placode card of needle tubing is between two arc boards of needle tubing die head, the needle tubing die head can be taken out directly by pulling out the needle tubing, the operation of taking off the needle tubing is more convenient; meanwhile, the feeding mechanism is arranged, and a structure that the air cylinder is matched with the extruding pipe is adopted, so that the extruding machine is replaced, and the production cost is reduced.

Furthermore, an outer ring channel and an inner ring channel for circulating cooling liquid are arranged in the forming disc, and the middle needle tube die cavity is cooled, so that the needle tube is formed quickly, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural view of the forming disc of FIG. 1;

FIG. 3 is a schematic diagram of the syringe die of FIG. 2;

FIG. 4 is a schematic structural view of the feeding mechanism of FIG. 1;

FIG. 5 is a schematic view of the feed tray of FIG. 4;

FIG. 6 is a schematic structural diagram of the material extruding mechanism in FIG. 4;

FIG. 7 is a schematic view of the inner plan structure of the forming tray of FIG. 1;

in the figure, 1, a forming disc, 101, thread grooves I, 2, a needle tube die groove, 3, a needle tube die head, 301, a column body, 302, a column head, 303, a baffle, 304, an arc plate, 305, a handle, 4, a feeding disc, 5, a fixing screw, 6, an insertion tube, 7, a material conveying branch tube, 8, a feeding ring tube, 9, a feeding joint, 10, an extrusion tube, 1001, an extrusion tube inlet, 1002, an extrusion tube outlet, 11, a cylinder, 12, a material pushing circular plate, 13, a cooling liquid inlet, 14, an outer circular channel, 15, an inner circular channel, 16 and a cooling liquid outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1: a medical consumable extrusion molding device is shown in figure 1 and comprises a molding disc 1 and a feeding mechanism matched with the molding disc 1; as shown in fig. 2 and 7, a plurality of needle tube cavities 2 are arranged on the forming disc 1, the needle tube cavities 2 are of a three-step reducing structure with three-time diameter change from left to right, and the needle tube cavities 2 are divided into a first tube cavity, a second tube cavity and a third tube cavity from left to right; each needle tube die cavity 2 is internally provided with a matched solid needle tube-shaped needle tube die head 3. The needle tube die cavity 2 is arranged in the center of the forming disc 1 at equal intervals, a cooling liquid loop comprising an outer loop 14 and an inner loop 15 is arranged in the forming disc 1 and close to the needle tube die cavity 2, the needle tube die cavity 2 is positioned between the outer loop 14 and the inner loop 15, a cooling liquid inlet 13 is simultaneously communicated with the upper ends of the outer loop 14 and the inner loop 15, and a cooling liquid outlet 16 is simultaneously communicated with the lower ends of the outer loop 14 and the inner loop 15.

As shown in fig. 3, the needle tube die head 3 includes a straight rod-shaped shaft 301, the shaft 301 is matched with the second tube slot, a gap exists between the shaft 301 and the second tube slot, a column cap 302 is arranged in the middle of the right end of the shaft 301, the column cap 302 is matched with the third tube slot, a gap exists between the column cap 302 and the third tube slot, an annular stopper 303 is arranged at the left end of the shaft 301, the stopper 303 is in threaded fit with the first tube slot, an upper arc plate 304 and a lower arc plate 304 which are symmetrical to each other are arranged at the outer edge of the right end of the stopper 303, the arc plates 304 are flush with the inlet of the second tube slot, a notch for preparing an ear plate of the needle tube is formed between the two arc plates 304, and a handle 305 is arranged at the left end of the stopper 303.

As shown in fig. 4 and 5, the feeding mechanism comprises a feeding tray 4 and an extruding pipe 10, the feeding tray 4 is provided with a plurality of feeding slot holes corresponding to the needle tube die cavities 2 one by one, and the feeding tray 4 is fixedly connected with the forming tray 1 through a fixing screw 5; a detachable inserting pipe 6 is arranged in the feeding groove hole of the feeding plate 4. The left end of the extrusion pipe 10 is connected with a feeding ring pipe 8, the right side surface of the feeding ring pipe 8 is provided with a feeding connector 9, the left end of the extrusion pipe 10 is provided with an extrusion pipe outlet 1002, and the feeding connector 9 is in threaded connection with the extrusion pipe outlet 1002. The feeding ring pipe 8 is connected with a plurality of material conveying branch pipes 7, and each material conveying branch pipe 7 is fixedly connected with one insertion pipe 6.

As shown in fig. 6, a material pushing circular plate 12 capable of sliding left and right is arranged in the material extruding pipe 10, the material pushing circular plate 12 is fixedly arranged at the left end of a piston rod of the cylinder 11, the piston rod of the cylinder 11 is movably arranged in the material extruding pipe 10, the right end of the material extruding pipe 10 is fixedly and hermetically connected with a cylinder body of the cylinder 11, and a material extruding pipe inlet 1001 is arranged at the left end of the material extruding pipe 10.

Description of the drawings: in the present embodiment, all components except the extrusion tube 10 are made of high temperature resistant steel, and the extrusion tube 10 is made of high temperature resistant quartz glass.

The working principle is as follows: when the automatic cooling device is used, molten materials are sucked into the extruding pipe 10 through the extruding pipe inlet 1001 by the movement of the cylinder 11, the molten materials in the extruding pipe 10 are pushed into the feeding ring pipe 8 and then enter a gap between the needle tube die cavity 2 and the needle tube die head 3 through each inserting pipe 6, after the gap between the needle tube die cavity 2 and the needle tube die head 3 is filled (the pushing resistance of the cylinder is obviously increased and the resistance is observed through the transparent extruding pipe 10), cooling liquid is introduced into the outer ring channel 14 and the inner ring channel 15 to rapidly cool the needle tube die cavity 2 and the needle tube die head 3 so that a needle tube is rapidly molded, after a period of needle tube molding, the needle tube die head 3 is rotated to take out the needle tube die head 3, at the moment, because an ear plate of the needle tube is clamped between two arc plates 304 of the needle tube die head 3, the needle tube die head 3 can be directly taken out by pulling out the needle tube die head 3, and finally, taking down the needle tube, cleaning the needle tube die cavity 2 and the needle tube die head 3, and then loading the needle tube die head 3 into the needle tube die cavity 2 again for next use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a medical consumptive material extrusion moulding device which characterized in that: comprises a forming disc (1) and a feeding mechanism matched with the forming disc (1); the forming disc (1) is provided with a plurality of needle tube die cavities (2), the needle tube die cavities (2) are of a three-step reducing structure with steps from left to right, and the needle tube die cavities (2) are divided into a first tube groove, a second tube groove and a third tube groove from left to right; a matched solid needle tube-shaped needle tube die head (3) is arranged in each needle tube die cavity (2), each needle tube die head (3) comprises a straight rod-shaped column body (301), each column body (301) is matched with a second tube groove, a gap exists between each column body (301) and the corresponding second tube groove, a column head (302) is arranged in the middle of the right end of each column body (301), each column head (302) is matched with a third tube groove, a gap exists between each column head (302) and the corresponding third tube groove, an annular blocking head (303) is arranged at the left end of each column body (301), each blocking head (303) is in threaded fit with the corresponding first tube groove, two arc plates (304) which are symmetrical to each other are arranged at the outer edge of the right end of each blocking head (303), the arc plates (304) are flush with inlets of the second tube grooves, a notch for preparing ear plates of a needle tube is formed between the two arc plates (304), and a handle (305) is arranged at the left end of each blocking head (303); the feeding mechanism comprises a feeding disc (4) and an extruding pipe (10), a plurality of feeding slotted holes which correspond to the needle tube die cavities (2) one by one are formed in the feeding disc (4), and the feeding disc (4) is fixedly connected with the forming disc (1) through a fixing screw rod (5); the left end of the extruding pipe (10) is connected with a material conveying dry pipe, the material conveying dry pipe is connected with a plurality of material conveying branch pipes (7), each material conveying branch pipe (7) is fixedly connected with one feeding groove hole, a material pushing circular plate (12) capable of sliding left and right is arranged in the extruding pipe (10), the material pushing circular plate (12) is fixedly arranged at the left end of a piston rod of the cylinder (11), a piston rod of the cylinder (11) is movably arranged in the extruding pipe (10), the right end of the extruding pipe (10) is fixedly and hermetically connected with a cylinder body of the cylinder (11), and the left end of the extruding pipe (10) is provided with an extruding pipe inlet (1001).

2. A medical consumable extrusion molding apparatus as defined in claim 1, wherein: the conveying dry pipe is a feeding ring pipe (8), the right side face of the feeding ring pipe (8) is provided with a feeding connector (9), the left end of the extruding pipe (10) is provided with an extruding pipe outlet (1002), and the feeding connector (9) is in threaded connection with the extruding pipe outlet (1002).

3. A medical consumable extrusion molding apparatus as defined in claim 2, wherein: a detachable insertion pipe (6) is arranged in a feeding slot hole of the feeding tray (4), and the right end of the insertion pipe (6) is fixedly connected with a feeding branch pipe (7).

4. A medical consumable extrusion molding apparatus as defined in claim 1, wherein: the centre of a circle equidistance of needle tubing die cavity (2) wound into molding disc (1) is arranged, is equipped with the coolant liquid ring road near needle tubing die cavity (2) in molding disc (1), and the upper portion of molding disc (1) is equipped with coolant liquid entry (13) with the coolant liquid ring road intercommunication, and the lower part of molding disc (1) is equipped with coolant liquid outlet (16) with the coolant liquid ring road intercommunication.

5. A medical consumable extrusion molding apparatus according to claim 4, wherein: the cooling liquid ring comprises an outer ring (14) and an inner ring (15), the needle tube die cavity (2) is located between the outer ring (14) and the inner ring (15), a cooling liquid inlet (13) is communicated with the upper ends of the outer ring (14) and the inner ring (15), and a cooling liquid outlet (16) is communicated with the lower ends of the outer ring (14) and the inner ring (15).