CN216885311U

CN216885311U - Automatic pipe fixing device for polyurethane balloon forming equipment

Info

Publication number: CN216885311U
Application number: CN202220240118.1U
Authority: CN
Inventors: 黄育成; 梁菀芝; 黄勇
Original assignee: Guangzhou Yanhengshen Technology Co ltd
Current assignee: Guangzhou Yanhengshen Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-05
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses an automatic pipe fixing device for polyurethane balloon forming equipment, wherein a forming mechanism and a horizontal displacement mechanism are arranged on a rack, a clamping and inflating mechanism is arranged on the rack, and a stretching mechanism is arranged on the rack in a sliding manner through the horizontal displacement mechanism; the clamping inflation mechanism and the stretching mechanism respectively comprise an installation block, a connecting pipe and a plurality of groups of clamping structures, an avoidance groove is formed in the side face of the installation block, and one end of the connecting pipe is connected in the avoidance groove; the clamping structure is arranged on the side face, close to the forming mechanism, of the mounting block and is used for clamping and fixing the pipe on the outer layer of the connecting pipe; the utility model adopts the connecting pipe to sleeve the pipe, and utilizes the clamping structure to clamp the pipe; the arc-shaped clamping piece is abutted against the pipe, so that one end of the pipe can be firmly clamped, and the air tightness of the pipe is ensured; and the connecting pipe can be connected with pipes of different specifications, so that the balloon forming equipment can clamp the pipes of different specifications.

Description

Automatic pipe fixing device for polyurethane balloon forming equipment

Technical Field

The utility model relates to the technical field of balloon forming, in particular to an automatic pipe fixing device for polyurethane balloon forming equipment.

Background

The balloon catheter is a key device for dredging blood vessels and other cavity tubes of a human body and widely used stent delivery, and the balloon is the most key part on the balloon catheter; the saccule generally requires extremely high anti-explosion performance, and simultaneously requires thin wall, softness and foldability; to meet these requirements, the polymer material used is required to have extremely strong mechanical and physical properties, and at the same time, the molding process is required to be highly demanding.

At present, aiming at the processing of the saccule on the catheter, a pipe needs to be firstly thinned, then the inside of the pipe is inflated, and the saccule on a pipe blank is shaped by a mould; wherein, the tube needs to be pulled and fixed manually, so that the production efficiency is low; meanwhile, the fixed pipe device is replaced according to pipes with different specifications; therefore, the working efficiency of workers is greatly reduced.

Disclosure of Invention

In the prior art, the utility model aims to provide a pipe fixing device which is convenient to install and reasonable in structure.

In order to achieve the purpose, the utility model provides the following technical scheme:

the automatic pipe fixing device for the polyurethane balloon forming equipment comprises a rack, wherein a forming mechanism and a horizontal displacement mechanism which are used for performing balloon forming on a pipe are arranged on the rack, a clamping and inflating mechanism is arranged on the rack on one side of the forming mechanism, a stretching mechanism used for stretching the pipe is arranged on the rack on the other side of the forming mechanism in a sliding mode through the horizontal displacement mechanism, and the pipe can be displaced to one side, close to the clamping and inflating mechanism, of the forming mechanism through the horizontal displacement mechanism; the clamping and inflating mechanism and the stretching mechanism respectively comprise an installation block, a connecting pipe for sleeving a pipe and a plurality of groups of clamping structures, an avoidance groove is formed in the side surface, close to the forming mechanism, of the installation block, and one end of the connecting pipe is connected into the avoidance groove; the clamping structure is arranged on the side face, close to the forming mechanism, of the mounting block along the circumferential direction of the connecting pipe, and is used for clamping and fixing the pipe on the outer layer of the connecting pipe; the mounting block of the clamping and inflating mechanism is connected with an air inlet pipe and is communicated with the connecting pipe.

Furthermore, the clamping structures are arranged around the connecting pipe at equal intervals, and the clamping structures are positioned in the mounting grooves arranged on the side surfaces of the mounting blocks; the other end of the connecting pipe passes through a clamping space formed between the clamping structures.

Furthermore, press from both sides tight structure and include telescopic cylinder and the tight piece of clamp that is used for the butt on tubular product, telescopic cylinder installs in the mounting groove, press from both sides tight piece and connect on the telescopic link that telescopic cylinder set up, and press from both sides tight piece for being curved clamp piece.

Furthermore, one side of the clamping block is provided with a limiting block, and the other side of the clamping block is provided with a limiting groove matched with the limiting block.

Furthermore, a groove is formed in the machine frame, two side faces, adjacent to the opening face of the groove, of the groove are provided with accommodating grooves, and the two accommodating grooves are arranged oppositely.

Furthermore, the horizontal displacement mechanism comprises a track, a sliding block arranged on the track in a sliding manner, a motor, a rack and a gear; the track and the rack are arranged on one side of the groove far away from the opening surface of the groove and are arranged in parallel with the track; the motor is arranged on the sliding block, and a rotating shaft of the motor is connected with a gear meshed with the rack.

Furthermore, the mounting block of the stretching mechanism is connected to the sliding block.

Furthermore, forming mechanism includes the mould, with last mould lower mould and the lift cylinder that sets up relatively, go up the mould and connect respectively in the groove is accomodate to recess side setting through the lift cylinder with the lower mould, this lift cylinder is used for stretching out and retracting last mould or lower mould in accomodating the inslot.

Compared with the prior art, the utility model has the beneficial effects that:

according to the technical scheme, the clamping and inflating mechanism and the stretching mechanism are sleeved on the pipe by adopting the connecting pipe, and the pipe is clamped by utilizing the clamping structure arranged around the connecting pipe; the arc-shaped clamping pieces abut against the pipe, and the multiple groups of arc-shaped clamping pieces are embedded into the limiting groove through the limiting block, so that the clamping pieces form a ring-shaped clamping structure, one end of the pipe can be firmly clamped, and the air tightness of the pipe is ensured; meanwhile, the pipe is clamped on the connecting pipe by the clamping structure, so that the connecting pipe can be connected with pipes of different specifications, and the balloon forming equipment clamps the pipes of different specifications.

According to the technical scheme, two ends of a pipe are respectively fixed on a clamping inflation mechanism and a stretching mechanism, a horizontal displacement mechanism is utilized to stretch and form the high polymer pipe to a required length, and an upper die and a lower die of a forming mechanism are closed; high-pressure nitrogen is injected into the high-molecular pipe, and the high-molecular pipe is molded into a balloon through a balloon molding die; the operation is simple and convenient, and the working efficiency of balloon forming and the quality of balloon forming are improved.

The stretching mechanism stretches the pipe by using the horizontal displacement mechanism, and the horizontal displacement mechanism adopts a slide rail structure and a gear rack structure, so that the polymer pipe can be accurately and efficiently stretched in a horizontal and stable manner; meanwhile, the clamping and inflating mechanism and the stretching mechanism are adjusted through the horizontal displacement mechanism, and the molds of the forming mechanism can be replaced according to the requirements of the size and the number of the sacculus, so that the universality of the sacculus forming equipment is greatly improved, the working efficiency is improved, and the practicability is increased.

Drawings

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

Fig. 1 is a schematic view of the whole structure of the balloon forming device of the present invention.

Fig. 2 is a sectional view showing the internal structure of the balloon molding apparatus of the present invention.

Fig. 3 is a schematic structural view of the clamping and inflating mechanism of the present invention.

FIG. 4 is a sectional view showing the internal structure of the clamp inflator according to the present invention.

FIG. 5 is a schematic view of the combination structure of the stretching mechanism and the sliding block of the present invention.

Fig. 6 is a schematic structural view of the clamping structure of the present invention.

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.

Referring to one of fig. 1-6, the present invention provides a technical solution:

a automatic fixed tubular product device for polyurethane sacculus former includes frame 1

As shown in fig. 1-5, a forming mechanism 3 and a horizontal displacement mechanism 4 for balloon forming of a tube are arranged on a frame 1, a clamping inflation mechanism 2 is arranged on the frame 1 on one side of the forming mechanism 3, a stretching mechanism 7 for stretching the tube is arranged on the frame 1 on the other side of the forming mechanism 3 in a sliding manner through the horizontal displacement mechanism 4, and the tube can be displaced to one side of the forming mechanism 3 close to the clamping inflation mechanism 2 through the horizontal displacement mechanism 4; the clamping and inflating mechanism 2 and the stretching mechanism 7 both comprise an installation block 21, a connecting pipe 22 for sleeving a pipe and a plurality of groups of clamping structures 5, wherein an avoiding groove 25 is formed in the side surface, close to the forming mechanism 3, of the installation block 21, and one end of the connecting pipe 22 is connected into the avoiding groove 25; a clamping structure 5 is arranged on the side of the mounting block 21 close to the forming mechanism 3 along the circumference of the connecting pipe 22, and the clamping structure 5 is used for clamping and fixing the pipe on the outer layer of the connecting pipe 22.

Wherein, a groove 11 is arranged on the frame 1, two side surfaces of the groove 11 adjacent to the open surface are provided with accommodating grooves 12, the two accommodating grooves 12 are arranged oppositely, and the horizontal displacement mechanism 4, the forming mechanism 3, the clamping and inflating mechanism 2 and the stretching mechanism 7 are all arranged in the groove 11; the mounting block 21 of the clamping inflation mechanism 2 is connected with an air inlet pipe 6, and is communicated with the connecting pipe 22 through a through hole 24 arranged on the mounting block 21.

Fixing two ends of the pipe on the clamping inflation mechanism 2 and the stretching mechanism 7 respectively, stretching and molding the high polymer pipe to a required length by using the horizontal displacement mechanism 4, and closing an upper die 32 and a lower die 31 of the molding mechanism 3; high-pressure nitrogen is injected into the high-molecular pipe, and the high-molecular pipe is molded into a balloon through a balloon molding die; the operation is simple and convenient, and the working efficiency of balloon forming and the quality of balloon forming are improved.

The stretching mechanism 7 utilizes the horizontal displacement mechanism 4 to stretch the pipe, and the horizontal displacement mechanism 4 adopts a slide rail structure and a gear rack structure, so that the polymer pipe can be accurately and efficiently stretched in a stable manner; meanwhile, the clamping and inflating mechanism 2 and the stretching mechanism 7 adjust the distance between the two mechanisms through the horizontal displacement mechanism 4, and the molds of the forming mechanisms can be replaced according to the requirements of the size and the quantity of the sacculus, so that the universality of the sacculus forming equipment is greatly improved, the working efficiency is improved, and the practicability is increased.

As shown in fig. 3-5, the clamping structures 5 are equidistantly arranged around the connecting pipe 22, and the clamping structures 5 are located in the mounting grooves 23 arranged on the side surfaces of the mounting blocks; the other end of the connecting pipe 22 passes through the clamping space formed between the clamping structures 5; the clamping structure 5 comprises a telescopic cylinder 51 and a clamping block 52 which is used for abutting against the pipe, the telescopic cylinder 51 is installed in the installation groove 23, the clamping block 52 is connected to a telescopic rod arranged on the telescopic cylinder 51, and the clamping block 52 is an arc-shaped clamping piece.

Wherein, the telescopic rods of the telescopic cylinders 51 are all arranged towards the connecting pipe 22, and the arc-shaped outer sides of the clamping blocks 52 are connected to the telescopic rods; a limiting block 53 is arranged on one side, close to the adjacent clamping structure 5, of the clamping block 52, and a limiting groove 54 matched with the limiting block 53 is arranged on one side, far away from the adjacent clamping structure 5, of the clamping block 52; wherein, the cross section of the limiting block 53 along the thickness direction is rectangular, triangular, semicircular or semi-elliptical, so that the limiting block 53 is more easily embedded in the limiting groove 54.

The number of the clamping structures 5 arranged around the connecting pipe 22 is 3-6; wherein the optimum number of gripping structures 5 is 4.

Further, the clamping and inflating mechanism 2 and the stretching mechanism 7 are sleeved on the pipe by adopting a connecting pipe 22, and the pipe is clamped by utilizing a clamping structure 5 arranged around the connecting pipe 22; the arc-shaped clamping pieces abut against the pipe, and the multiple groups of arc-shaped clamping pieces are embedded into the limiting groove 54 through the limiting block 53, so that the clamping pieces form a ring-shaped clamping structure, one end of the pipe can be firmly clamped, and the air tightness of the pipe is ensured; meanwhile, the tube is clamped on the connecting tube 22 by the clamping structure 5, so that the connecting tube 22 can be connected with tubes of different specifications, and the balloon forming equipment can clamp the tubes of different specifications.

As shown in fig. 1, the horizontal displacement mechanism 4 includes a rail 43, a slider 42 slidably disposed on the rail 43, a motor 44, a rack 45, and a gear 41; the rail 43 and the rack 45 are arranged on the side of the groove 11 away from the open face thereof, and are arranged in parallel with the rail 43; the motor 44 is arranged on the sliding block 42, and a gear 41 meshed with the rack 45 is connected to a rotating shaft of the motor 44.

Wherein, the mounting block 21 of the stretching mechanism 7 is connected to the slide block 42.

Furthermore, the horizontal displacement mechanism 4 adopts a slide rail structure and a gear rack structure, so that the stretching torque of the stretching mechanism 7 is increased, and the tube is stretched more uniformly; meanwhile, the stretching precision of the pipe is ensured; wherein the rail 43 and the rack 45 extend to the other side of the forming mechanism 3, so that the stretching mechanism 7 can be displaced to the other side of the forming mechanism 3, thereby facilitating the installation of the pipe.

Further, the molding mechanism 3 includes an upper mold 32, a lower mold 31 disposed opposite to the upper mold 32, and a lift cylinder 33, the upper mold 32 and the lower mold 31 are respectively connected in the receiving groove 12 disposed at the side of the recess 11 by the lift cylinder 33, and the lift cylinder 33 is used for extending and retracting the upper mold 32 or the lower mold 31 in the receiving groove 12.

The upper die 32 and the lower die 31 are separated and closed by the lifting cylinder 33, and the upper die 32 and the lower die 31 can be accommodated in the accommodating groove 12, so that the stretching mechanism 7 is displaced to the other side of the recess 11, and the operation of the operator is easier.

To sum up, fixed tubular product device realizes the sacculus shaping comparatively conveniently, has improved the work efficiency of sacculus make-up machine, and labour saving and time saving has practiced thrift a large amount of cost of labor, simple structure simultaneously, convenient operation, safe and reliable.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A automatic fixed tubular product device for polyurethane sacculus former which characterized in that: the tube forming machine comprises a machine frame (1), wherein a forming mechanism (3) and a horizontal displacement mechanism (4) which are used for performing balloon forming on a tube are arranged on the machine frame (1), a clamping and inflating mechanism (2) is arranged on the machine frame (1) on one side of the forming mechanism (3), a stretching mechanism (7) which is used for stretching the tube is arranged on the machine frame (1) on the other side of the forming mechanism (3) in a sliding mode through the horizontal displacement mechanism (4), and the tube forming machine can be displaced to one side, close to the clamping and inflating mechanism (2), of the forming mechanism (3) through the horizontal displacement mechanism (4); the clamping and inflating mechanism (2) and the stretching mechanism (7) respectively comprise an installation block (21), a connecting pipe (22) for sleeving a pipe and a plurality of groups of clamping structures (5), wherein an avoiding groove (25) is formed in the side surface, close to the forming mechanism (3), of the installation block (21), and one end of the connecting pipe (22) is connected into the avoiding groove (25); the clamping structure (5) is arranged on the side face, close to the forming mechanism (3), of the mounting block (21) along the circumferential direction of the connecting pipe (22), and the clamping structure (5) is used for clamping and fixing the pipe on the outer layer of the connecting pipe (22); an air inlet pipe (6) is connected to the mounting block (21) of the clamping and inflating mechanism (2) and is communicated with the connecting pipe (22).

2. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 1, wherein: the clamping structures (5) are arranged around the connecting pipe (22) at equal intervals, and the clamping structures (5) are positioned in the mounting grooves (23) arranged on the side surfaces of the mounting blocks; the other end of the connecting pipe (22) passes through a clamping space formed between the clamping structures (5).

3. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 2, wherein: the clamping structure (5) comprises a telescopic cylinder (51) and a clamping block (52) which is used for being abutted to the pipe, the telescopic cylinder (51) is installed in the installation groove (23), the clamping block (52) is connected to a telescopic rod arranged on the telescopic cylinder (51), and the clamping block (52) is an arc-shaped clamping piece.

4. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 3, wherein: a limiting block (53) is arranged on one side of the clamping block (52), and a limiting groove (54) matched with the limiting block (53) is formed in the other side of the clamping block (52).

5. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 1, wherein: be provided with recess (11) on frame (1), recess (11) all are provided with on the both sides face adjacent rather than opening the face and accomodate groove (12), and two are accomodate groove (12) and set up relatively.

6. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 1, wherein: the horizontal displacement mechanism (4) comprises a track (43), a slide block (42) arranged on the track (43) in a sliding manner, a motor (44), a rack (45) and a gear (41); the rail (43) and the rack (45) are arranged on one side of the groove (11) far away from the opening surface of the groove, and are arranged in parallel with the rail (43); the motor (44) is arranged on the sliding block (42), and a rotating shaft of the motor (44) is connected with a gear (41) meshed with the rack (45).

7. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 1, wherein: and the mounting block (21) arranged on the stretching mechanism (7) is connected to the sliding block (42).

8. The automatic tubing fixing device for a polyurethane balloon molding apparatus according to claim 1, wherein: forming mechanism (3) are including last mould (32), lower mould (31) and lift cylinder (33) that set up relatively with last mould (32), go up mould (32) and lower mould (31) and connect respectively in recess (11) side sets up accomodate groove (12) through lift cylinder (33), should go up lift cylinder (33) and be used for extending out and withdraw in accomodating groove (12) last mould (32) or lower mould (31).