CN216329728U

CN216329728U - Heart valve loads protection tube injection mold

Info

Publication number: CN216329728U
Application number: CN202122642545.0U
Authority: CN
Inventors: 李小华; 刘浩海; 姚敏
Original assignee: Kunshan Kesting Mould Technology Co ltd
Current assignee: Kunshan Kesting Mould Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-19
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses an injection mold of a heart valve loading protection tube, which relates to the technical field of medical appliance manufacturing and comprises an injection molding box, wherein a cavity is formed in the injection molding box, first bidirectional screw rods are in threaded connection with the upper part and the lower part of the left side and the right side of the inner wall of the cavity, the right sides of the rod walls of the two first bidirectional screw rods are fixedly connected with first sector gears, the right side of the rod wall of the first bidirectional screw rod at the lower side is fixedly connected with the first sector gears, the left side and the right side of the rod walls of the two bidirectional screw rods are in threaded connection with first nuts, and the surfaces of the two corresponding first nuts at the opposite sides are fixedly connected with first connecting rods. According to the utility model, when the use frequency of the mold is excessive, the mold is not fixed any more by shaking the first handle, so that a worker can conveniently replace the mold without disassembling the whole device, a large amount of time is saved, and the working efficiency of the device is greatly improved.

Description

Heart valve loads protection tube injection mold

Technical Field

The utility model relates to the technical field of medical appliance manufacturing, in particular to an injection mold for a heart valve loading protection tube.

Background

The injection mold is a tool which is matched with a plastic forming machine in the plastic processing industry and endows a plastic product with complete configuration and accurate dimension.

With the rapid development of the plastic industry and the continuous improvement of the strength and the like of general and engineering plastics, the application range of plastic products is continuously expanded, the usage amount of the plastic products is also increasing, so that the injection molds are also widely used, the plastic products required by various industries need to be manufactured by the injection molds, the medical requirements are the same, for example, a heart valve loading protection tube, the injection molds need to be manufactured and molded by the injection molds, but at present, the injection molds still have defects in the using process, because the life safety of people is concerned by medical affairs, the manufacturing standard of the plastic products required by the medical science is very strict, because the molds can be deformed when being used for too many times, the defective rate of finished products can be increased if the molds are not replaced in time, but the replacement of the molds is very inconvenient, and the molds can be replaced only by integrally disassembling the injection machines, a large amount of time is wasted, and the working efficiency of the equipment is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for a heart valve loading protection tube, which solves the problems that the production standard of plastic products required in medicine is very strict because the life safety of people is related to medical affairs, the condition of deformation and the like can occur when the mold is used for too many times, if the mold is not replaced in time, the defective rate of finished products is increased, but the replacement of the mold is very inconvenient, the mold can be replaced only by integrally disassembling an injection molding machine, a large amount of time is wasted, and the working efficiency of equipment is seriously influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold for a heart valve loading protection tube comprises an injection molding box, wherein a cavity is arranged inside the injection molding box, the upper part and the lower part of the left side and the right side of the inner wall of the cavity are both in threaded connection with first bidirectional screw rods together, the right sides of the rod walls of the two first bidirectional screw rods are both fixedly connected with first sector gears, the right side of the rod wall of the first bidirectional screw rod at the lower side is fixedly connected with first sector gears, the left side and the right side of the rod walls of the two first bidirectional screw rods are both in threaded connection with first nuts, the opposite side surfaces of the two corresponding first nuts are both fixedly connected with first connecting rods, the centers of the rod walls of the two first connecting rods opposite to each other are both fixedly connected with first clamping rods, the opposite ends of the two first clamping rods are both clamped with second clamping rods, and the opposite ends of the two second clamping rods are both fixedly connected with arc plates;

the equal common fixedly connected with second bidirectional screw rod in both sides in cavity the place ahead and the rear, two the equal fixedly connected with second sector gear of downside, the left side of the upside fixedly connected with second sector gear of second bidirectional screw rod wall, two equal threaded connection in both sides has the second nut around the second bidirectional screw rod wall, and is two corresponding the equal fixedly connected with second connecting rod of center department on the relative side surface of second nut, two the equal fixedly connected with head rod, two of center department of the relative side rod wall of second connecting rod, two the equal joint in relative one end of head rod has the second joint pole, two the equal fixedly connected with circular arc board of relative one end of second joint pole.

Preferably, the lower surfaces of the plurality of first sector gears are respectively in meshed connection with the upper surfaces of the corresponding second sector gears.

Preferably, the surface of one side of the circular arc plate is fixedly connected with a softening pad, and the plurality of softening pads are made of rubber materials.

Preferably, the lower part of the right side surface of the injection molding box is fixedly connected with a short rod, the left end of the short rod penetrates through the right side surface of the injection molding box to the inner wall of the cavity, the left end of the short rod is fixedly connected with the right end of a first bidirectional screw rod on the lower side, the right end of the short rod is fixedly connected with a rotating wheel, and the right side surface of the rotating wheel is fixedly connected with a first handle.

Preferably, the surface of the handle is provided with anti-skid lines.

Preferably, the one end of each of the first clamping connecting rods is fixedly connected with two clamping blocks, and the one end of each of the second clamping connecting rods is provided with a clamping groove matched with the two clamping blocks.

Preferably, the equal fixedly connected with fixed block in the left and right sides of case upper surface of moulding plastics, two the transport hole has all been seted up to one side surface of fixed block.

Preferably, the right side surface of the injection molding box is provided with an inspection opening, the inner wall of the inspection opening is rotatably connected with an inspection opening plate through a hinge, and the front side of the right side surface of the inspection opening plate is fixedly connected with a second handle.

The utility model has the technical effects and advantages that:

1. through setting up the case of moulding plastics, the cavity, first bidirectional screw rod, first sector gear, the first nut, the head rod, first joint rod, the second joint rod, the circular arc board, the bidirectional screw rod of second, second sector gear, the second nut, the second connecting rod, can use the number of times when the mould is too much, through waveing the first in command, no longer fix the mould, can make the convenient mould of staff change, needn't dismantle equipment wholly again, the plenty of time has been practiced thrift, very big improvement the work efficiency of equipment.

2. Through setting up first sector gear, second sector gear, can make effectual transmission that carries on between first bidirectional screw and the second bidirectional screw, through setting up circular arc board, softening pad, avoid equipment to press from both sides the clamp excessively and cause the damage of mould to the mould, through setting up case, quarter butt, cavity, first bidirectional screw, runner, the first in command of moulding plastics, can make things convenient for the staff to operate and press from both sides tightly or relax the mould.

3. Through setting up the handle, because the setting have anti-skidding line, make things convenient for the staff to hold the operation tightly more, through setting up first joint pole, the fixture block, the second joint pole, the draw-in groove, the convenient joint is carried out first joint pole and second joint pole, can change different second joint poles according to the mould, the work efficiency of equipment has been improved, through setting up the case of moulding plastics, the fixed block, the transport hole, make things convenient for the staff to the transport of equipment, through setting up the case of moulding plastics, the inspection oral plate, the second handle, can be when the part in the equipment can not normally operate, open the inspection oral plate and maintain or change the part in the equipment.

Drawings

FIG. 1 is a schematic top view of a cross-sectional structure of the present invention.

FIG. 2 is an enlarged view of part A of the present invention.

FIG. 3 is a schematic side sectional view of the present invention.

Fig. 4 is a schematic view of a clamping structure of the first clamping rod and the second clamping rod according to the present invention.

Fig. 5 is a schematic perspective view of the present invention.

In the figure: 1. injection molding a box; 2. a cavity; 3. a first bidirectional screw; 4. a first sector gear; 5. a first nut; 6. a first connecting rod; 7. a first clamping connection rod; 8. a circular arc plate; 9. a second bidirectional screw rod; 10. a second nut; 11. a second connecting rod; 12. a second sector gear; 13. a second clamping connection rod; 14. softening the pad; 15. a short bar; 16. a rotating wheel; 17. a first handle; 18. a clamping block; 19. a card slot; 20. a fixed block; 21. a carrying hole; 22. an inspection port plate; 23. a second handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an injection mold for a heart valve loading protection tube as shown in figures 1-5, which comprises an injection mold box 1, wherein a cavity 2 is arranged in the injection mold box 1, first bidirectional screw rods 3 are respectively and commonly in threaded connection with the upper part and the lower part of the left side and the right side of the inner wall of the cavity 2, the right sides of the rod walls of the two first bidirectional screw rods 3 are respectively and fixedly connected with a first sector gear 4, the right side of the rod wall of the lower first bidirectional screw rod 3 is fixedly connected with a first sector gear 4, the left side and the right side of the rod walls of the two first bidirectional screw rods 3 are respectively and fixedly connected with a first nut 5, the opposite side surfaces of the two corresponding first nuts 5 are respectively and fixedly connected with first connecting rods 6, the centers of the opposite side rod walls of the two first connecting rods 6 are respectively and fixedly connected with first clamping rods 7, the opposite ends of the two first clamping rods 7 are respectively and fixedly connected with second clamping rods 13, and the opposite ends of the two second clamping rods 13 are respectively and fixedly connected with arc plates 8, the left and right circular arc plates 8 can be controlled;

the left side and the right side of the front part and the rear part of the cavity 2 are both fixedly connected with second bidirectional screw rods 9, the lower sides of the rod walls of the two second bidirectional screw rods 9 are both fixedly connected with second sector gears 12, the upper side of the rod wall of the left second bidirectional screw rod 9 is fixedly connected with second sector gears 12, the front side and the rear side of the rod wall of the two second bidirectional screw rods 9 are both in threaded connection with second nuts 10, the centers of the opposite side surfaces of the two corresponding second nuts 10 are both fixedly connected with second connecting rods 11, the centers of the opposite side rod walls of the two second connecting rods 11 are both fixedly connected with first clamping rods 7, the opposite ends of the two first clamping rods 7 are both clamped with second clamping rods 13, the opposite ends of the two second clamping rods 13 are both fixedly connected with arc plates 8, when the use frequency of the mold is too many, the mold is not fixed by shaking the first handle 17, the mould can be conveniently replaced by workers, the whole equipment does not need to be disassembled, a large amount of time is saved, and the working efficiency of the equipment is greatly improved.

As shown in fig. 1-4, the lower surfaces of a plurality of first sector gears 4 are respectively engaged with the upper surfaces of corresponding second sector gears 12, so as to effectively transmit between a first bidirectional screw rod 3 and a second bidirectional screw rod 9, one side surface of an arc plate 8 is fixedly connected with a softening pad 14, the softening pads 14 are all made of rubber materials, so as to prevent the damage of the mold due to the over-clamping of the mold by equipment, a short rod 15 is fixedly connected below the right side surface of an injection molding box 1, the left end of the short rod 15 penetrates through the right side surface of the injection molding box 1 to the inner wall of a cavity 2, the left end of the short rod 15 is fixedly connected with the right end of the first bidirectional screw rod 3 below, a rotating wheel 16 is fixedly connected with the right end of the short rod 15, a first handle 17 is fixedly connected with the right side surface of the rotating wheel 16, so as to facilitate the operation of workers to clamp or loosen the mold, the surface of the handle 17 is provided with anti-slip patterns, because what set up has anti-skidding line, make things convenient for the staff to hold the operation more tightly, two fixture blocks 18 of the equal fixedly connected with of one end of a plurality of first joint poles 7, the one end of a plurality of second joint poles 13 all seted up with two fixture block 18 assorted draw-in grooves 19, the convenient joint is carried out first joint pole 7 and second joint pole 13, can change different second joint poles 13 according to the mould, has improved the work efficiency of equipment.

As shown in fig. 5, the equal fixedly connected with fixed block 20 in the left and right sides of case 1 upper surface of moulding plastics, porthole 21 has all been seted up to one side surface of two fixed blocks 20, make things convenient for the staff to the transport of equipment, the inspection socket has been seted up on the right side surface of case 1 of moulding plastics, the inner wall of inspection socket is connected with inspection socket board 22 through hinge rotation, the front side fixedly connected with second handle 23 on inspection socket board 22 right side surface, can be when the part in the equipment can not normal operating, open inspection socket board 22 and maintain or change the part in the equipment.

The working principle of the utility model is as follows: when the number of times of die casting needs to be changed too much, a first handle 17 is rotated, the first handle drives a rotating wheel 16 to rotate, the rotating wheel 16 drives a short rod 15 to rotate, the short rod 15 drives a first bidirectional screw rod 3 on the lower side to rotate, the first bidirectional screw rod 3 on the lower side drives first sector gears 4 on two sides to rotate, two first sector gears 4 drive two second sector gears 12 on the lower side to rotate, two second sector gears 12 drive two second bidirectional screw rods 9 to rotate, the second bidirectional screw rod 9 on the left side drives a second sector gear 12 on the upper side to rotate, the second sector gear 12 on the upper side drives a first sector gear 4 on the upper side to rotate, the first sector gear 4 on the upper side drives a first bidirectional screw rod 3 on the upper side to rotate, the rotation of the two first bidirectional screw rods 3 and the two second bidirectional screw rods 9 drives a plurality of first nuts 5 and a plurality of second nuts 10 to move, the first nuts 5 drive the two first connecting rods 6 to move left and right, the second nuts 10 drive the two second connecting rods 11 to move up and down, the two first connecting rods 6 and the two second connecting rods 11 drive the first clamping rod 7 and the second clamping rod 13 to move up and down and move left and right, and the second clamping rods 13 drive the arc plates 8 to move so as to loosen and fix the die.

Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a heart valve loads protection tube injection mold, includes case (1) of moulding plastics, its characterized in that: a cavity (2) is formed in the injection molding box (1), first bidirectional screw rods (3) are connected to the upper portion and the lower portion of the left side and the right side of the inner wall of the cavity (2) through common threads, first sector gears (4) are fixedly connected to the right sides of the rod walls of the two first bidirectional screw rods (3), first sector gears (4) are fixedly connected to the right sides of the rod walls of the lower first bidirectional screw rods (3), first nuts (5) are connected to the left side and the right side of the rod walls of the two first bidirectional screw rods (3) through common threads, first connecting rods (6) are fixedly connected to the surfaces of the two corresponding opposite sides of the first nuts (5), first clamping rods (7) are fixedly connected to the centers of the rod walls of the two opposite sides of the first connecting rods (6), and second clamping rods (13) are clamped to the opposite ends of the two first clamping rods (7), the opposite ends of the two second clamping connecting rods (13) are fixedly connected with arc plates (8);

the cavity (2) the place ahead and the left and right sides in rear all fixedly connected with second bidirectional screw rod (9), two the equal fixedly connected with second sector gear (12) of downside, left side of second bidirectional screw rod (9) pole wall the upside fixedly connected with second sector gear (12), two the equal threaded connection in both sides has second nut (10) around second bidirectional screw rod (9) pole wall, two corresponding the equal fixedly connected with second connecting rod (11) of center department on the relative side surface of second nut (10), two the equal fixedly connected with first card of center department of the relative side pole wall of second connecting rod (11) connects pole (7).

2. The heart valve loading protection tube injection mold of claim 1, wherein: the lower surfaces of the first sector gears (4) are respectively in meshed connection with the upper surfaces of the corresponding second sector gears (12).

3. The heart valve loading protection tube injection mold of claim 1, wherein: the surface of one side of the circular arc plate (8) is fixedly connected with a softening pad (14), and the softening pads (14) are made of rubber materials.

4. The heart valve loading protection tube injection mold of claim 1, wherein: the utility model discloses a mould plastics, including mould plastics case (1) right side surface's below fixedly connected with quarter butt (15), the left end of quarter butt (15) runs through the right side surface to the inner wall of cavity (2) of case (1) of moulding plastics, the left end of quarter butt (15) and the right-hand member fixed connection of the first bidirectional screw (3) of downside, the right-hand member fixedly connected with runner (16) of quarter butt (15), the right side surface fixedly connected with first in command (17) of runner (16).

5. The heart valve loading protection tube injection mold of claim 4, wherein: the surface of the handle (17) is provided with anti-skid lines.

6. The heart valve loading protection tube injection mold of claim 1, wherein: one end of each of the first clamping connecting rods (7) is fixedly connected with two clamping blocks (18), and one end of each of the second clamping connecting rods (13) is provided with a clamping groove (19) matched with the two clamping blocks (18).

7. The heart valve loading protection tube injection mold of claim 1, wherein: the equal fixedly connected with fixed block (20) of the left and right sides of case (1) upper surface of moulding plastics, two porthole (21) have all been seted up to one side surface of fixed block (20).

8. The heart valve loading protection tube injection mold of claim 1, wherein: the right side surface of case (1) of moulding plastics has seted up the inspection socket, the inner wall of inspection socket is connected with inspection socket board (22) through the hinge rotation, the front side fixedly connected with second handle (23) of inspection socket board (22) right side surface.