CN219926777U

CN219926777U - Needle sheath mould

Info

Publication number: CN219926777U
Application number: CN202321518497.7U
Authority: CN
Inventors: 禹锦涛; 王传报
Original assignee: Qingdao Yingkerun Transmission Technology Co ltd
Current assignee: Qingdao Yingkerun Transmission Technology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-10-31
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to the technical field of syringe sheath molds and discloses a needle sheath mold, which comprises a lower mold, wherein a plurality of mold cavities are formed in the lower mold, an upper mold is slidably connected to the middle of the lower mold, a plurality of mold cores are arranged at the bottom end of the upper mold, a supporting seat is arranged at the bottom end of the lower mold, a sliding plate is slidably connected to the middle of the supporting seat, sliding columns are fixedly connected to four corners at the top end of the sliding plate, and a plurality of ejector pins are arranged at the top end of the sliding plate. In the utility model, when the upper die slides downwards along the sliding groove, the upper die contacts with the sliding column and presses the sliding column downwards, injection molding is carried out through the injection molding holes, the injection molding is carried out through the shunt grooves, the upper die is moved upwards after the needle sheath in the die cavity is solidified and molded, the sliding plate is pushed upwards by utilizing the characteristics of the spring, and the needle sheath molded in the die cavity can be pushed out by the ejector pin on the sliding plate, thereby saving labor force and improving the demolding efficiency.

Description

Needle sheath mould

Technical Field

The utility model relates to the technical field of syringe sheath molds, in particular to a needle sheath mold.

Background

The syringe is a common medical appliance, and is mainly used for extracting or injecting gas or liquid by using a needle, and can be used for medical equipment, containers and the like, and the syringe is provided with an injection needle, so that a sheath is usually sleeved on the needle of the syringe in order to avoid the puncture package and the damage of the needle on the surface of the injection needle in the process of transportation and storage.

The needle sheath is mainly injection molding through injection mold during production, so the needle sheath mold is needed, however, when the traditional needle sheath is injection molded, the traditional needle sheath is difficult to take down after injection molding is finished due to the characteristics of the shape of the sheath, and if the needle sheath is taken down manually, the efficiency is low, time and labor are wasted, and the needle sheath is easy to scald.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a needle sheath die.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a needle sheath mould, includes the lower mould, the inside a plurality of die cavities that are provided with of lower mould, the lower mould top is provided with the splitter box, the splitter box is linked together with the die cavity, lower mould middle part sliding connection has the mould, it is provided with a plurality of mold cores to go up the mould bottom, it is provided with the hole of moulding plastics to go up the mould top, the lower mould bottom is provided with the supporting seat, the equal fixedly connected with slide bar in the inside four corners department of supporting seat, the slide bar outer wall is provided with the spring, supporting seat middle part sliding connection has the sliding plate, the equal fixedly connected with slide column in slide plate top four corners department, the outer wall of slide column runs through the inside at the lower mould, the sliding plate top is provided with a plurality of thimble.

As a further description of the above technical solution:

the inner walls of two sides of the lower die are respectively provided with a first sliding chute, two sides of the upper die are respectively fixedly connected with a first sliding block, and the first sliding blocks are in sliding connection with the inner parts of the first sliding chutes.

As a further description of the above technical solution:

the number of the mold cavities is the same as that of the mold cores, and the mold cores are positioned right above the mold cavities.

As a further description of the above technical solution:

the top of spring links to each other with the sliding plate, the bottom of spring links to each other with the supporting seat.

As a further description of the above technical solution:

the inner walls of two sides of the supporting seat are respectively provided with a second sliding groove, two sides of the sliding plate are respectively fixedly connected with a second sliding block, and the second sliding blocks are in sliding connection with the second sliding grooves.

As a further description of the above technical solution:

the four corners of the top end of the supporting seat are fixedly connected with connecting rods, the four corners of the bottom end of the lower die are provided with jacks, and the connecting rods are located inside the jacks.

As a further description of the above technical solution:

the outer walls of two sides of the lower die are connected with fixing bolts in a threaded mode, clamping grooves are formed in the outer walls of the connecting rods, and the top ends of the fixing bolts are located inside the clamping grooves.

The utility model has the following beneficial effects:

according to the utility model, when the upper die slides downwards along the sliding groove, the upper die can bring the die core into the die cavity, meanwhile, the bottom end of the upper die can contact the sliding column and push the sliding column downwards, at the moment, the sliding plate can slide downwards along the sliding groove through the sliding column, so that the ejector pins can be driven to be separated from the die cavity, when the lower die is attached to the upper die, injection is carried out through the injection holes, the injection is carried out through the split grooves, the upper die is moved upwards after the needle sheath in the die cavity is solidified and formed, the sliding plate can be pushed upwards by utilizing the characteristics of the springs, and the needle sheath formed in the die cavity can be ejected through the ejector pins on the sliding plate, so that the labor force is saved, and the demoulding efficiency is improved.

According to the utility model, through the jacks arranged at four corners of the bottom end of the lower die, the connecting rod at the top end of the supporting seat can be inserted into the jacks and finally connected through the fixing bolt, meanwhile, the upper die slides in the first sliding chute through the first sliding block, and the sliding plate slides in the second sliding chute through the second sliding block, so that the die is easier and more convenient to detach when cleaning or maintenance is needed, and the time required during maintenance is reduced.

Drawings

FIG. 1 is a perspective view of a needle shield mold according to the present utility model;

fig. 2 is a schematic structural view of a lower mold of a needle sheath mold according to the present utility model;

fig. 3 is an exploded view of a needle shield mold according to the present utility model.

Legend description:

1. a lower die; 2. a mold cavity; 3. a shunt channel; 4. a first chute; 5. an upper die; 6. a first sliding block; 7. a mold core; 8. injection molding holes; 9. a support base; 10. a slide bar; 11. a spring; 12. a second chute; 13. a sliding plate; 14. a second slide block; 15. a spool; 16. a thimble; 17. a connecting rod; 18. and a fixing bolt.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a needle sheath mould, including lower mould 1, lower mould 1 inside is provided with a plurality of die cavities 2, lower mould 1 top is provided with splitter box 3, splitter box 3 is linked together with die cavity 2, lower mould 1 middle part sliding connection has last mould 5, it is provided with a plurality of mold cores 7 to go up mould 5 bottom, it is provided with injection molding hole 8 to go up mould 5 top, lower mould 1 bottom is provided with supporting seat 9, the equal fixedly connected with slide bar 10 in the inside four corners department of supporting seat 9, the slide bar 10 outer wall is provided with spring 11, supporting seat 9 middle part sliding connection has sliding plate 13, the equal fixedly connected with slide column 15 in slide plate 13 top four corners department, the outer wall of slide column 15 runs through the inside at lower mould 1, sliding plate 13 top is provided with a plurality of thimble 16, at first during use go up mould 5 and slide down along spout one 4 time, go up mould 5 can get into die cavity 2 inside, the bottom of going up mould 5 can contact with slide column 15 and move it down, at this moment, the sliding plate 13 can be compressed along spout two 12 downwardly slide, and then can drive 16 inside and the injection molding hole is carried out at the time, the injection molding hole is carried out by the inside the ejector pin 2 through the ejector pin 13, the ejector pin is carried out the inside the injection molding hole 2, the ejector pin is carried out at the ejector pin 13, the ejector pin is inside the injection molding hole is more than the inside is 3, and the injection molding hole is finished, the injection molding hole is finished through the mould 2, and the injection molding hole is finished through the ejector pin is finished through the mould 2.

The inner walls of two sides of the lower die 1 are all provided with the first chute 4, the two sides of the upper die 5 are fixedly connected with the first slider 6, the first slider 6 is slidably connected to the inside of the first chute 4, the upper die 5 can be enabled to be more stable in sliding, the number of die cavities 2 and the number of die cores 7 are the same, the die cores 7 are located right above the die cavities 2, the top ends of springs 11 are connected with the sliding plate 13, the bottom ends of springs 11 are connected with the supporting seat 9, the inner walls of two sides of the supporting seat 9 are all provided with the second chute 12, the two sides of the sliding plate 13 are fixedly connected with the second slider 14, the sliding connection of the second slider 14 is inside the second chute 12, the sliding plate 13 can be enabled to be kept more stably in sliding, four corners of the top ends of the supporting seat 9 are fixedly connected with connecting rods 17, the four corners of the bottom ends of the lower die 1 are all provided with jacks, the connecting rods 17 are located inside the jacks, the outer walls of two sides of the lower die 1 are fixedly connected with fixing bolts 18, the top ends of the fixing bolts 18 are located inside the clamping grooves, the jacks are arranged at four corners of the bottom ends of the lower die 1, the connecting rods 17 at the top ends of the supporting seat 9 can be inserted inside the jacks, and finally the connecting rods 17 at the top ends of the supporting seat 9 are connected with the second chute 18 through the fixing bolts 18, and the second slider 14 is required to be more stably cleaned and can be more conveniently and easily and conveniently detached through the first slider 13 and the second chute and the first slider and the second slider is more convenient to be maintained and easy to be easily slid and convenient to clean.

Working principle: when the upper die 5 slides downwards along the first chute 4, the upper die 5 brings the die core 7 into the die cavity 2, meanwhile, the bottom end of the upper die 5 contacts the slide column 15 and pushes the slide column downwards, at this time, the slide plate 13 slides downwards along the second chute 12 through the slide column 15, the spring 11 is compressed, and then the ejector pin 16 can be driven to be separated from the die cavity 2, when the lower die 1 and the upper die 5 are attached, injection is carried out through the injection hole 8, the injection is carried out into a plurality of die cavities 2 through the splitter box 3, after the needle sheath in the die cavity 2 is solidified and molded, the upper die 5 moves upwards, at this time, the slide plate 13 is pushed upwards by utilizing the characteristics of the spring 11, and the needle sheath molded in the die cavity 2 can be ejected through the ejector pin 16 on the slide plate 13, so that the manufacturing can be completed.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Needle sheath mould, including lower mould (1), its characterized in that: the novel plastic injection molding die is characterized in that a plurality of die cavities (2) are formed in the lower die (1), the top of the lower die (1) is provided with a splitter box (3), the splitter box (3) is communicated with the die cavities (2), an upper die (5) is slidably connected to the middle of the lower die (1), a plurality of die cores (7) are arranged at the bottom of the upper die (5), injection holes (8) are formed in the top of the upper die (5), a supporting seat (9) is arranged at the bottom of the lower die (1), sliding rods (10) are fixedly connected to four corners of the bottom of the supporting seat (9), springs (11) are arranged on the outer walls of the sliding rods (10), sliding columns (15) are fixedly connected to the middle of the supporting seat (9), the outer walls of the sliding columns (15) penetrate through the bottom of the lower die (1), and a plurality of ejector pins (16) are arranged at the top of the sliding columns (13).

2. A needle shield mold according to claim 1, wherein: the inner walls of two sides of the lower die (1) are respectively provided with a first sliding chute (4), two sides of the upper die (5) are respectively fixedly connected with a first sliding block (6), and the first sliding blocks (6) are slidably connected in the first sliding chute (4).

3. A needle shield mold according to claim 1, wherein: the number of the die cavities (2) is the same as that of the die cores (7), and the die cores (7) are positioned right above the die cavities (2).

4. A needle shield mold according to claim 1, wherein: the top end of the spring (11) is connected with the sliding plate (13), and the bottom end of the spring (11) is connected with the supporting seat (9).

5. A needle shield mold according to claim 1, wherein: the inner walls of two sides of the supporting seat (9) are respectively provided with a second sliding chute (12), two sides of the sliding plate (13) are respectively fixedly connected with a second sliding block (14), and the second sliding blocks (14) are in sliding connection with the inside of the second sliding chute (12).

6. A needle shield mold according to claim 1, wherein: connecting rods (17) are fixedly connected to four corners of the top end of the supporting seat (9), jacks are formed in four corners of the bottom end of the lower die (1), and the connecting rods (17) are located inside the jacks.

7. A needle shield mold according to claim 6, wherein: the outer walls of two sides of the lower die (1) are connected with fixing bolts (18) in a threaded mode, clamping grooves are formed in the outer walls of the connecting rods (17), and the top ends of the fixing bolts (18) are located inside the clamping grooves.