CN111593315B

CN111593315B - A vacuum device for preparing medical polymer materials

Info

Publication number: CN111593315B
Application number: CN202010239298.7A
Authority: CN
Inventors: 汤洪流
Original assignee: Yangzhou Zhongxin Polymer Material Co ltd
Current assignee: Yangzhou Zhongxin Polymer Material Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2025-01-21
Anticipated expiration: 2040-03-30
Also published as: CN111593315A

Abstract

The invention relates to the technical field of vacuum devices, and discloses a vacuum-pumping device for preparing medical polymer materials, which comprises a vacuum chamber, wherein an air inlet is formed in the bottom of the vacuum chamber, an air inlet pipe is fixedly arranged in the air inlet, a control valve positioned below the vacuum chamber is arranged on the air inlet pipe, the top end of the air inlet pipe extends into the vacuum chamber and is fixedly provided with a sputtering chamber, an air extraction opening is formed in the top of the vacuum chamber, an air extraction pipe is fixedly arranged in the air extraction opening, and the bottom end of the air extraction pipe extends into the vacuum chamber and is fixedly provided with a mounting pipe. The vacuum-pumping device for preparing the medical high polymer material has strong practicability, is convenient for gas to uniformly enter the sputtering chamber by arranging the plurality of fixed pipes, seals the exhaust pipe and the connecting pipe by the sealing plate and the sliding plate, improves the tightness of the vacuum chamber, prevents gas from entering the vacuum chamber due to the sealing difference, ensures absolute vacuum in the vacuum chamber, and meets the use requirement.

Description

Vacuum-pumping device for preparing medical polymer material

Technical Field

The invention relates to the technical field of vacuum devices, in particular to a vacuum-pumping device for preparing medical high polymer materials.

Background

The medical polymer materials used at present, such as wound dressing, burn dressing, wound dressing, operating gown, patient clothes, medical polymer interventional devices and the like, are all developed from polymers such as polyester polymers, polyolefin polymers, polysaccharide polymers, polyurethane, cellulose and the like. In actual use, these materials come into contact with wounds, scalded skin, and tissues in the body, but often cause infection or inflammation of the wounds or tissues due to their lack of anti-infective properties and poor biocompatibility, further resulting in difficult wound healing and tissue regeneration.

For example, the wound film is a polyethylene non-woven fabric material, and in the use process, the wound film is required to protect the wound from external influences, and is also required to kill or inhibit infectious bacteria near the wound, and has excellent biocompatibility, so that a good regeneration microenvironment is created for wound cells or tissues, and the magnetron sputtering technology is a surface coating technology taking metal, glass and ceramic as base materials.

Are now becoming more and more widely used in the fields of machinery, electronics, ceramics, etc. The high polymer material is used as a big branch of the material, and the flexibility of the matrix improves the difficulty of magnetron sputtering surface coating, so that related patents are fewer.

The traditional magnetron sputtering technology has low efficiency, is complex to operate, cannot perform quantitative processing according to conditions, and can easily lead gas to enter a vacuum chamber after air extraction due to poor tightness, and absolute vacuum cannot be ensured, so that the use requirement cannot be met.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides a vacuum-pumping device for preparing medical polymer materials, which has the advantages of improving the tightness of a vacuum chamber, preventing gas from entering the vacuum chamber due to poor tightness, ensuring absolute vacuum in the vacuum chamber and the like, and solves the problems that the traditional magnetron sputtering technology has low efficiency, is complex in operation, cannot perform quantitative processing according to conditions, easily causes gas to enter the vacuum chamber due to poor tightness after air pumping, cannot ensure absolute vacuum and cannot meet the use requirement.

(II) technical scheme

The invention provides a technical scheme that the vacuum-pumping device for preparing medical high polymer materials comprises a vacuum chamber, wherein an air inlet is formed in the bottom of the vacuum chamber, an air inlet pipe is fixedly arranged in the air inlet, a control valve is arranged on the air inlet pipe and positioned below the vacuum chamber, the top end of the air inlet pipe extends into the vacuum chamber and is fixedly provided with a sputtering chamber, an air extraction opening is formed in the top of the vacuum chamber, an air extraction pipe is fixedly arranged in the air extraction opening, the bottom end of the air extraction pipe extends into the vacuum chamber and is fixedly provided with an installation pipe, two positioning pipes are fixedly arranged at the bottom of the installation pipe, one sides of the two positioning pipes, which are close to each other, are fixedly provided with fixing pipes, one ends, which are close to each other, of the two fixing pipes extend into the sputtering chamber, a connecting pipe is fixedly arranged at the top of the connecting pipe, a sealing block is arranged at the bottom of the sealing block, a sealing plate is slidingly arranged on the connecting pipe, a fixing plate is fixedly arranged at the bottom of the connecting pipe, a sliding groove is formed at one side of the fixing plate, and the sealing plate is clamped with the sealing groove to seal the sealing plate;

The sealing plate is fixedly arranged on one side far away from the exhaust pipe, the sliding block is in sliding connection with the sliding groove, a limiting hole is formed in the sliding block, a limiting rod is slidably arranged in the limiting hole, the top end and the bottom end of the limiting rod are respectively fixedly connected with the top inner wall and the bottom inner wall of the corresponding sliding groove, a limiting spring sleeved on the outer side of the limiting rod is fixedly arranged at the bottom of the sliding block, the bottom end of the limiting spring is fixedly connected with the bottom inner wall of the sliding groove, a fixing groove is formed in the inner wall on one side of the exhaust hole, and the limiting spring plays a role in limiting and resetting;

a sliding groove is formed in the inner wall of the other side of the air extraction opening, a sliding plate is arranged in the sliding groove in a sliding manner, one end of the sliding plate is in sealing fit with the fixed groove, a positioning groove is formed in the other end of the sliding plate, a positioning rod is arranged in the sliding manner in the positioning groove in a sliding manner, one end of the positioning rod extends to the outer side of the sliding plate and is fixedly connected with the inner wall of one side of the sliding groove, and the sliding plate is clamped with the fixed groove to seal the air extraction pipe;

The top of the vacuum chamber is provided with a connecting groove, the connecting groove is communicated with the sliding groove, a connecting rod is slidably installed in the connecting groove, the bottom end of the connecting rod extends into the sliding groove and is fixedly connected with the top of the sliding plate, the other end of the sliding plate is fixedly provided with a reset spring sleeved on the outer side of the positioning rod, one end of the reset spring, which is far away from the sliding plate, is fixedly connected with the inner wall of one side of the sliding groove, and the reset spring plays roles in limiting and resetting;

The top of vacuum chamber rotates installs the rotor, rotates and winds on the rotor and is equipped with the steel cable, and the one end and the bottom fixed connection of closing plate of steel cable, the other end and the connecting rod fixed connection of steel cable, the removal of steel cable drives the closing plate and removes.

Preferably, a reset hole is formed in the connecting rod, a reset rod is slidably arranged in the reset hole, two ends of the reset rod are fixedly connected with one side inner wall of the corresponding connecting groove respectively, and the reset rod limits the connecting rod.

Preferably, the number of the fixed pipes is multiple, and the fixed pipes are distributed on the positioning pipes at equal intervals in the vertical direction, so that the fixed pipes are convenient for gas to uniformly enter the sputtering chamber.

Three beneficial effects

Compared with the prior art, the invention provides the vacuum-pumping device for preparing the medical polymer material, which has the following beneficial effects:

1. This but medical macromolecular material preparation is with evacuating device, through opening the control valve, enter into the sputtering chamber through the intake pipe in, when admitting air to the sputtering chamber, the pulling connecting rod drives the sliding plate and removes, sliding plate compression reset spring, reset spring energy-absorbing makes the sliding plate shift out in the fixed slot, the steel cable drives the closing plate and removes, the closing plate drives the slider and removes, slider compression limit spring, limit spring energy-absorbing makes the closing plate shift out in the seal groove, exhaust tube and connecting pipe are opened.

2. This but medical macromolecular material preparation is with evacuating device, through establishing the air-out pipe cover of air-blower on the connecting pipe, gas enters into the installation intraductal through connecting pipe and exhaust tube, enters into two positioning tube through the installation intraductal, after the inflation, loosen the connecting rod, under the spring resilience effort through spacing spring and reset spring, make the closing plate card go into in the seal groove, the fixed slot is gone into to the slip integrated circuit board, seal exhaust tube and connecting pipe through closing plate and slip integrated circuit board, the leakproofness of vacuum chamber has been improved.

The invention has strong practicability, is convenient for the gas to uniformly enter the sputtering chamber by arranging the plurality of fixed pipes, and seals the exhaust pipe and the connecting pipe by the sealing plate and the sliding plate, thereby improving the tightness of the vacuum chamber, preventing the gas from entering the vacuum chamber due to poor sealing, ensuring the absolute vacuum in the vacuum chamber and meeting the use requirement.

Drawings

Fig. 1 is a schematic structural diagram of a vacuum-pumping device for preparing medical polymer materials according to the present invention;

Fig. 2 is an enlarged view of a part of the structure of the portion a in fig. 1 of the vacuum-pumping device for preparing a medical polymer material according to the present invention;

FIG. 3 is an enlarged view of a part of the vacuum-pumping device for preparing medical polymer materials, which is shown in the part B of FIG. 1;

Fig. 4 is an enlarged view of a part of the structure of the C part in fig. 1 of the vacuum-pumping device for preparing a medical polymer material according to the present invention.

In the figure, a vacuum chamber 1, an air inlet 2, an air inlet 3, a control valve 4, a sputtering chamber 5, an air extraction opening 6, an air extraction pipe 7, an installation pipe 8, a positioning pipe 9, a fixing pipe 10, a connecting pipe 11, a sealing block 12, a sealing groove 13, a sealing plate 14, a fixing plate 15, a sliding groove 16, a sliding block 17, a limiting hole 18, a limiting rod 19, a limiting spring 20, a fixing groove 21, a sliding groove 22, a sliding plate 23, a positioning groove 24, a positioning rod 25, a connecting groove 26, a connecting rod 27, a return spring 28, a rotating wheel 29 and a steel rope 30 are arranged.

Detailed Description

The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, a vacuum-pumping device for preparing medical polymer materials comprises a vacuum chamber 1, an air inlet 2 is formed in the bottom of the vacuum chamber 1, an air inlet pipe 3 is fixedly installed in the air inlet 2, a control valve 4 arranged below the vacuum chamber 1 is arranged on the air inlet pipe 3, the top end of the air inlet pipe 3 extends into the vacuum chamber 1 and is fixedly provided with a sputtering chamber 5, an air pumping opening 6 is formed in the top of the vacuum chamber 1, an air pumping pipe 7 is fixedly installed in the air pumping opening 6, the bottom end of the air pumping pipe 7 extends into the vacuum chamber 1 and is fixedly provided with a mounting pipe 8, two positioning pipes 9 are fixedly installed at the bottom of the mounting pipe 8, one sides, close to each other, of the two positioning pipes 9 are fixedly provided with a fixing pipe 10, one ends, close to each other, of the two fixing pipes 10 are all extended into the sputtering chamber 5, the top end of the air pumping pipe 7 is fixedly provided with a connecting pipe 11, the top of the connecting pipe 11 is fixedly provided with a sealing block 12, a sealing groove 13 is formed in the bottom of the sealing block 12, a sealing plate 14 is slidingly installed on the sealing plate 11, a fixing plate 15 is fixedly installed at the bottom of the sealing plate 11, one side, close to the air pumping pipe 7 is fixedly installed with a sealing plate 16, and the sealing plate 16 is clamped with the sealing groove 13.

In the invention, a sliding block 17 is fixedly arranged on one side of a sealing plate 14, which is far away from an exhaust pipe 7, the sliding block 17 is in sliding connection with a sliding groove 16, a limiting hole 18 is formed in the sliding block 17, a limiting rod 19 is slidably arranged in the limiting hole 18, the top end and the bottom end of the limiting rod 19 are respectively fixedly connected with the inner wall of the top and the inner wall of the bottom of the corresponding sliding groove 16, a limiting spring 20 sleeved outside the limiting rod 19 is fixedly arranged at the bottom of the sliding block 17, the bottom end of the limiting spring 20 is fixedly connected with the inner wall of the bottom of the sliding groove 16, a fixing groove 21 is formed in the inner wall of one side of the exhaust hole 6, and the limiting spring 20 plays roles of limiting and resetting.

In the invention, a sliding groove 22 is formed in the inner wall of the other side of the air extraction opening 6, a sliding plate 23 is arranged in the sliding groove 22 in a sliding manner, one end of the sliding plate 23 is in sealing fit with a fixed groove 21, a positioning groove 24 is formed in the other end of the sliding plate 23, a positioning rod 25 is arranged in the sliding manner in the positioning groove 24 in a sliding manner, one end of the positioning rod 25 extends to the outer side of the sliding plate 23 and is fixedly connected with the inner wall of one side of the sliding groove 22, and the sliding plate 23 and the fixed groove 21 are clamped and arranged to seal the air extraction pipe 7.

In the invention, the top of the vacuum chamber 1 is provided with a connecting groove 26, the connecting groove 26 is communicated with a sliding groove 22, a connecting rod 27 is slidably arranged in the connecting groove 26, the bottom end of the connecting rod 27 extends into the sliding groove 22 and is fixedly connected with the top of a sliding plate 23, the other end of the sliding plate 23 is fixedly provided with a reset spring 28 sleeved outside a positioning rod 25, one end of the reset spring 28, which is far away from the sliding plate 23, is fixedly connected with the inner wall of one side of the sliding groove 22, and the reset spring 28 plays a role in limiting and resetting.

In the invention, a rotating wheel 29 is rotatably arranged at the top of a vacuum chamber 1, a steel rope 30 is wound on the rotating wheel 29, one end of the steel rope 30 is fixedly connected with the bottom end of a sealing plate 14, the other end of the steel rope 30 is fixedly connected with a connecting rod 27, and the sealing plate 14 is driven to move by the movement of the steel rope 30.

In the invention, the connecting rod 27 is provided with a reset hole, a reset rod is slidably arranged in the reset hole, two ends of the reset rod are respectively fixedly connected with one side inner wall of the corresponding connecting groove 26, and the reset rod limits the connecting rod 27.

In the invention, the number of the fixed pipes 10 is multiple, and the fixed pipes 10 are distributed on the positioning pipe 9 in the vertical direction at equal intervals, so that the gas can uniformly enter the sputtering chamber 5 through the fixed pipes 10.

In summary, in the use of the vacuum pumping device for preparing medical polymer materials, the control valve 4 is opened, the control valve enters the sputtering chamber 5 through the air inlet pipe 3, when the sputtering chamber 5 is subjected to air inlet, the connecting rod 27 is pulled, the connecting rod 27 drives the sliding plate 23 to move, the sliding plate 23 compresses the return spring 28, the return spring 28 absorbs energy, the sliding plate 23 moves out of the fixed groove 21, meanwhile, the connecting rod 27 drives the steel rope 30 to move, the steel rope 30 drives the rotating wheel 29 to rotate, meanwhile, the steel rope 30 drives the sealing plate 14 to move, the sealing plate 14 drives the sliding block 17 to move, the sliding block 17 compresses the limit spring 20, the limit spring 20 absorbs energy, the sealing plate 14 moves out of the sealing groove 13, the exhaust pipe 7 and the connecting pipe 11 are opened, then the air outlet pipe of the blower is sleeved on the connecting pipe 11, and the air enters the installation pipe 8 through the connecting pipe 11 and the exhaust pipe 7, the invention has strong practicability, the invention is convenient for the gas to uniformly enter the sputtering chamber 5 by arranging the plurality of fixed pipes 9 into the plurality of fixed pipes 11, the plurality of fixed pipes 10 are convenient for the gas to uniformly enter the sputtering chamber 5, after the inflation is finished, the connecting rod 27 is loosened, the sealing plate 14 is clamped into the sealing groove 13 by the spring rebound force of the limiting spring 20 and the reset spring 28, the sliding plate 23 is clamped into the fixed groove 21, the exhaust pipe 7 and the connecting pipe 11 are sealed by the sealing plate 14 and the sliding plate 23, the tightness of the vacuum chamber 1 is improved, the exhaust pipe 7 and the connecting pipe 11 are sealed by the sealing plate 14 and the sliding plate 23 by arranging the plurality of fixed pipes 10, the tightness of the vacuum chamber 1 is improved, the gas entering the vacuum chamber 1 caused by the sealing difference is prevented, the absolute vacuum in the vacuum chamber 1 is ensured, meets the use requirement.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but medical macromolecular material preparation is with evacuating device, including vacuum chamber (1), a serial communication port, air inlet (2) have been seted up to the bottom of vacuum chamber (1), air inlet (2) internal fixation has intake pipe (3), set up on intake pipe (3) to be located control valve (4) of vacuum chamber (1) below, the top of intake pipe (3) extends to in vacuum chamber (1) and fixed mounting has sputtering chamber (5), extraction opening (6) have been seted up at the top of vacuum chamber (1), fixed mounting has extraction tube (7) in extraction opening (6), the bottom of extraction tube (7) extends to in vacuum chamber (1) and fixed mounting has install tube (8), the bottom fixed mounting of install tube (8) has two positioning tube (9), one side that two positioning tube (9) are close to each other all fixed mounting fixed tube (10), and the one end that two fixed tubes (10) are close to each other all extends to in sputtering chamber (5), the top fixed mounting of connecting tube (7) has (11), the top fixed mounting of connecting tube (11) has sealing block (12), sealing block (13) have sealing plate (13) on sealing plate (13) fixed mounting of sealing plate (15), a chute (16) is arranged on one side of the fixed plate (15) close to the exhaust pipe (7);

A sliding block (17) is fixedly arranged on one side, far away from the exhaust pipe (7), of the sealing plate (14), the sliding block (17) is in sliding connection with the sliding groove (16), a limiting hole (18) is formed in the sliding block (17), a limiting rod (19) is slidably arranged in the limiting hole (18), the top end and the bottom end of the limiting rod (19) are respectively fixedly connected with the inner wall of the top and the inner wall of the bottom of the corresponding sliding groove (16), a limiting spring (20) sleeved on the outer side of the limiting rod (19) is fixedly arranged at the bottom of the sliding block (17), the bottom end of the limiting spring (20) is fixedly connected with the inner wall of the bottom of the sliding groove (16), and a fixing groove (21) is formed in the inner wall of one side of the exhaust hole (6);

A sliding groove (22) is formed in the inner wall of the other side of the air extraction opening (6), a sliding plate (23) is arranged in the sliding groove (22), one end of the sliding plate (23) is in sealing fit with the fixed groove (21), a positioning groove (24) is formed in the other end of the sliding plate (23), a positioning rod (25) is arranged in the sliding groove (24), and one end of the positioning rod (25) extends to the outer side of the sliding plate (23) and is fixedly connected with the inner wall of one side of the sliding groove (22);

the top of the vacuum chamber (1) is provided with a connecting groove (26), the connecting groove (26) is communicated with the sliding groove (22), a connecting rod (27) is slidably installed in the connecting groove (26), the bottom end of the connecting rod (27) extends into the sliding groove (22) and is fixedly connected with the top of the sliding plate (23), the other end of the sliding plate (23) is fixedly provided with a reset spring (28) sleeved on the outer side of the positioning rod (25), and one end, far away from the sliding plate (23), of the reset spring (28) is fixedly connected with the inner wall of one side of the sliding groove (22);

The top of the vacuum chamber (1) is rotatably provided with a rotating wheel (29), a steel rope (30) is wound on the rotating wheel (29), one end of the steel rope (30) is fixedly connected with the bottom end of the sealing plate (14), and the other end of the steel rope (30) is fixedly connected with the connecting rod (27).

2. The vacuum-pumping device for preparing medical high polymer materials as set forth in claim 1, wherein the connecting rod (27) is provided with a reset hole, the reset rod is slidably arranged in the reset hole, and two ends of the reset rod are fixedly connected with one side inner wall of the corresponding connecting groove (26) respectively.

3. The vacuum-pumping device for preparing medical high polymer materials according to claim 1, wherein the number of the fixing pipes (10) is multiple, and the fixing pipes (10) are distributed on the positioning pipes (9) at equal intervals in the vertical direction.