CN111097653B

CN111097653B - Medical dressing TPU film processingequipment

Info

Publication number: CN111097653B
Application number: CN201911142131.2A
Authority: CN
Inventors: 胡华; 黄林志; 鄢志亮
Original assignee: Zhejiang Huanlong New Material Science & Technology Co ltd
Current assignee: Zhejiang Huanlong New Material Science & Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2021-06-08
Anticipated expiration: 2039-11-20
Also published as: CN111097653A

Abstract

The invention provides a medical dressing TPU film processing device, and belongs to the technical field of film production equipment. It has solved the unstable scheduling problem of membrane performance that current medical dressing film processingequipment processed out. This medical dressing TPU film processingequipment, including the frame and set up the workstation that is used for placing the dressing in the frame, still be equipped with the work board that the frame reciprocated relatively in the frame, be provided with on the work board cooperate with the workstation and be used for rolling the pressing means subassembly of dressing on the workstation and carry out the tectorial membrane subassembly that the tectorial membrane was handled to the dressing. The invention has the advantages of stable performance of the processed film and the like.

Description

Medical dressing TPU film processingequipment

Technical Field

The invention belongs to the technical field of film production equipment, relates to a film production device, and particularly relates to a medical dressing TPU film processing device.

Background

Medical dressings include natural gauze, synthetic fiber dressings, polymeric membrane dressings, foaming polymeric dressings, hydrocolloid dressings, alginate dressings and the like, and medical dressings are wound articles and are used for covering medical materials of sores, wounds or other damages.

In order to facilitate the use of medical dressings, the existing medical dressings are covered with film materials, and for the processing of film-coated medical dressings, the processing device utilizes the existing dressing substrate and the formed film materials, and then attaches the dressing substrate to the film materials in a hot compress mode.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a medical dressing TPU film processing device capable of processing a dressing film with stable performance.

The purpose of the invention can be realized by the following technical scheme: a medical dressing TPU film processing device comprises a frame and a workbench arranged on the frame and used for placing dressings, wherein the frame is also provided with a working plate which can move up and down relative to the frame, and the device is characterized in that the working plate is provided with a pressing component which is matched with the workbench and used for rolling the dressings on the workbench and a film covering component for film covering treatment of the dressings, the film covering component comprises a film covering block arranged on the working plate, the film covering block is provided with an external connector used for connecting an injection molding machine and an outlet connector used for injecting liquid to the dressings, a flow channel for communicating the external connector and the outlet connector is arranged between the outlet connector and the flow channel, the flow channel is internally provided with a flow control component used for changing the flow direction of the injection liquid, the pressing component comprises a pressing plate which is arranged in the film covering block and can move up and down along the film covering plate, the surface of the pressing plate facing the dressing direction is provided with a convex pressing block, the upper end of the pressing plate is provided with a triggering block for triggering the flow control component to open and close, an inner flow channel matched with the flow channel is arranged in the triggering block, the lower end outlet of the inner flow channel is arranged on the pressing block, when the pressing plate moves upwards, the triggering block triggers the flow control component to be in an open state, the injection molding liquid can flow out from the outlet connector and can also flow out from the pressing block through the inner flow channel.

In the above medical dressing TPU film processing apparatus, the flow channel includes a main flow channel for introducing the injection molding liquid to the outlet connection port and a sub flow channel for introducing the injection molding liquid to the inner flow channel, and the flow control member includes a first flow control assembly disposed in the main flow channel and a second flow control assembly disposed in the sub flow channel.

In foretell medical dressing TPU film processingequipment, first accuse flow subassembly including set up the control ball that is used for preventing on the sprue to mould plastics liquid under the non-conducting state and be used for the control ball to lean on first control, the upper end of tectorial membrane piece offer the holding tank that is used for holding first control, first control one end fix the bottom end portion at the holding tank, one end is supported and is leaned on the control ball, the lower extreme of tectorial membrane piece is offered and is used for triggering the piece and penetrate the perforation in the flow channel, when first accuse flow subassembly was in initial condition, the first half of control ball was held in the holding tank, and the latter half of control ball is supported and is leaned on the perforation under the effect of first control.

In foretell medical dressing TPU film processingequipment, the tail groove has been seted up to the export tip department of auxiliary flow way, the tail groove in seted up and be used for the mating holes that auxiliary flow way and interior runner are connected, the second accuse flow subassembly including setting up on the tectorial membrane piece, and the control panel that can deflect from top to bottom and be used for changing the second control piece of control panel motion state, when the second accuse flow subassembly was under initial condition, one side that the control panel is close to the tectorial membrane piece was in the high position under the effect of second control piece, the opposite side of control panel was in the low level, and covered the mating holes, made the liquid of moulding plastics can't flow from the mating holes.

In the above medical dressing TPU film processing apparatus, the trigger block including be used for pressing the body of clamp plate and tectorial membrane piece swing joint, the upper end of body is provided with the main ejector pin that upwards extrudees and can extend to in the sprue and can extend to the vice bench of pushing up in the vice runner, set up the hole of moulding plastics that supplies the liquid of moulding plastics to pass through on the main ejector pin, the upper end opening of interior runner is located vice bench.

In foretell medical dressing TPU film processingequipment, the tectorial membrane piece on set up the stroke chamber that is used for restricting the press platen to move the stroke from top to bottom, the body on have radial bellied set up the spacing platform in the stroke chamber, be provided with the stroke piece that resets between the top portion in last mesa of spacing platform and stroke chamber.

In the above medical dressing TPU film processing apparatus, the frame on have the last working chamber that supplies the working plate to penetrate and the side that is level with the workstation mutually, the width of working plate equals the sum of workstation width and side width, the width of pressing the board is less than or equal to the width of workstation for every according to the piece on the pressing board and is located the workstation at the during operation.

In foretell medical dressing TPU film processingequipment, the bottom of workstation is provided with the slide, the slide can carry out the lateral sliding along the axial of frame, slide and workstation between be equipped with the bracing piece that is used for the workstation to go up and down.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the workbench for placing the dressing is arranged on the rack, the pressing assembly for rolling the dressing on the workbench and the film covering assembly for performing film covering treatment on the dressing are arranged on the working plate, the working plate firstly extrudes the dressing through the pressing assembly to form a pressing hole on the upper surface of the dressing, and then the film covering assembly and the pressing casting are used for simultaneously performing film covering treatment on the dressing, so that the performance of the processed product is more stable.

2. The flow channel comprises a main flow channel and an auxiliary flow channel, and the injection molding liquid respectively flows out from the outlet connecting port and the pressing block through the main flow channel and the auxiliary flow channel, so that the injection molding liquid flows out more uniformly, and the dressing can be completely covered.

3. The side edge which is parallel to the workbench is arranged on the rack, and the edge part of the dressing extending in the pressing process can be fully placed by the arrangement of the side edge, so that the edge of a processed product is more complete.

4. The bottom end of the workbench is provided with the sliding plate capable of sliding transversely along the axial direction of the rack, the supporting rod used for lifting the workbench is arranged between the sliding plate and the workbench, the workbench can simultaneously realize horizontal translation and up-and-down lifting by utilizing the sliding plate and the supporting rod when feeding is started, so that the dressing is conveniently laid, and after the product is processed, the product can be transferred by directly translating the sliding plate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial overall structural schematic diagram of the present invention.

Fig. 3 is an enlarged view of a part of the structure of the present invention.

In the figure, 1, a frame; 2. a work table; 3. a working plate; 4. a pressing assembly; 5. a film covering assembly; 6. coating a film block; 7. an external connection port; 8. an outlet connector; 9. a flow channel; 10. a flow control member; 11. a pressing plate; 12. a pressing block; 13. a trigger block; 14. an inner flow passage; 15. a main flow channel; 16. a secondary flow passage; 17. a first flow control assembly; 18. a second flow control assembly; 19. a control ball; 20. a first control member; 21. accommodating grooves; 22. perforating; 23. a tail groove; 24. a mating hole; 25. a second control member; 26. a body; 27. a main ejector rod; 28. a secondary top table; 29. injection molding holes; 30. a stroke chamber; 31. a limiting table; 32. a stroke reset member; 33. an upper working chamber; 34. a side edge; 35. a slide plate; 36. a support bar; 37. and a control panel.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figures 1 to 3, a medical dressing TPU film processingequipment, including frame 1 and set up the workstation 2 that is used for placing the dressing in frame 1, still be equipped with the working plate 3 that can reciprocate relatively frame 1 in frame 1, be provided with on the working plate 3 and cooperate with workstation 2 and be used for rolling the subassembly 4 that presses of dressing on workstation 2 and carry out the tectorial membrane subassembly 5 that the tectorial membrane was handled to the dressing.

In this embodiment, be equipped with on the working plate 3 and be used for rolling the subassembly 4 of pressing of 2 upper dressings of workstation and carry out the tectorial membrane subassembly 5 that the tectorial membrane was handled to the dressing, working plate 3 can reciprocate relatively frame 1, drive to working plate 3, can adopt motor or cylinder lug connection working plate 3 to drive it, common general knowledge for technical field, the event does not add the statement, in processing, extrude the dressing through pressing subassembly 4 earlier, make the upper surface formation pressure hole of dressing, then rethread tectorial membrane subassembly 5 carries out the tectorial membrane to the dressing simultaneously with pressing the foundry goods and handle, make the performance of the product of processing out more stable

As shown in fig. 1, preferably, the film covering assembly 5 includes a film covering block 6 disposed on the working plate 3, the film covering block 6 is provided with an external connection port 7 for connecting to an injection molding machine and an output connection port 8 for injecting a liquid to the dressing, a flow channel 9 for communicating the external connection port 8 and the external connection port 7 is disposed between the two ports, and a flow control member 10 for changing a flow direction of the injection liquid is disposed in the flow channel 9.

The injection molding machine is introduced into the film covering assembly 5 through the external connecting port 7, in order to control the injection molding liquid, a flow control assembly is arranged in the flow channel 9, when the flow control assembly is in an open state, the injection molding liquid can flow freely, and when the flow control assembly is in a closed state, the injection molding liquid is blocked at the flow control assembly and cannot flow out of the film covering assembly 5.

Preferably, the pressing assembly 4 includes a pressing plate 11 disposed in the film covering block 6 and capable of moving up and down along the film covering plate, a convex pressing block 12 is disposed on a surface of the pressing plate 11 facing the direction of the dressing, a triggering block 13 for triggering the opening and closing of the flow control member 10 is disposed at an upper end of the pressing plate 11, an inner flow channel 14 matched with the flow channel 9 is disposed in the triggering block 13, a lower end outlet of the inner flow channel 14 is disposed on the pressing block 12, and when the pressing plate 11 moves up and the triggering block 13 triggers the flow control member 10 to be in an open state, the injection molding liquid can flow out from the outlet connection port 8 and can flow out from the pressing block 12 through the inner flow channel 14.

In further detail, the flow channel 9 includes a main flow passage 15 for introducing the injection liquid to the outlet connection port 8 and a sub flow passage 16 for introducing the injection liquid into the inner flow passage 14, and the flow control member 10 includes a first flow control assembly 17 disposed in the main flow passage 15 and a second flow control assembly 18 disposed in the sub flow passage 16.

The auxiliary runner 16 is connected with the main runner 15, the auxiliary runner 16 is arranged at the rear end of a first flow control assembly 17 of the main runner 15, injection liquid firstly passes through the first flow control assembly 17 and then flows out of the connecting port 8 and the auxiliary runner 16, the tail end of the auxiliary runner 16 is communicated with the inner runner 14 in the trigger block 13 through a second flow control assembly 18, and each runner is separately controlled through a plurality of flow control assemblies, so that the injection liquid is more hierarchical when flowing, and instability of a product during molding caused by a flow rate problem is avoided.

Preferably, the first flow control assembly 17 includes a control ball 19 disposed on the main channel 15 for preventing the injection liquid from passing through in a non-conducting state and a first control member 20 for abutting against the control ball 19, an accommodating groove 21 for accommodating the first control member 20 is opened at an upper end of the coating block 6, one end of the first control member 20 is fixed at a bottom end of the accommodating groove 21, one end of the first control member abuts against the control ball 19, a through hole 22 for the trigger block 13 to penetrate into the flow channel 9 is opened at a lower end of the coating block 6, when the first flow control assembly 17 is in an initial state, an upper half portion of the control ball 19 is accommodated in the accommodating groove 21, and a lower half portion of the control ball 19 abuts against the through hole 22 under the action of the first control member 20.

In more detail, a tail groove 23 is formed at the outlet end of the secondary runner 16, a matching hole 24 for connecting the secondary runner 16 with the inner runner 14 is formed in the tail groove 23, the second flow control assembly 18 comprises a control plate 37 which is arranged on the coating block 6 and can deflect up and down and a second control member 25 for changing the motion state of the control plate 37, when the control plate 37 deflects up and down, the center of the control plate 37 can be fixed on the coating block 6 through a pin shaft, the coating block 6 is provided with a groove body into which one end of the control plate 37 is inserted and which can deflect, the second control member 25 is also arranged in the groove body, the lower end of the second control member 25 is fixed in the groove, the upper end of the second control member abuts against the lower end surface of the control plate 37, when the second flow control assembly is in an initial state, one side of the control plate 37, which is close to the coating block 6, is in a high position under the action of the second control, and covers the fitting hole 24 so that the injection liquid cannot flow out of the fitting hole 24.

In more detail, the trigger block 13 includes a body 26 for movably connecting the pressing plate 11 and the film covering block 6, a main ejector rod 27 protruding upward and extending into the main flow channel 15 and an auxiliary ejector table 28 extending into the auxiliary flow channel 16 are disposed at an upper end of the body 26, an injection hole 29 for passing an injection molding liquid is opened on the main ejector rod 27, and an upper end opening of the inner flow channel 14 is located on the auxiliary ejector table 28.

When the trigger block 13 is in the initial state, the main ejector rod 27 body 26 is arranged in the through hole 22 in a penetrating manner, the auxiliary ejector rod is separated from the matching hole 24, when the trigger block 13 moves upwards, the main ejector rod 27 and the auxiliary ejector platform 28 can simultaneously perform ejection motion upwards, when the main ejector rod 27 upwards penetrates into the main flow channel 15, the control ball 19 can be upwards ejected into the accommodating groove 21, the injection molding liquid can be communicated through the injection molding hole 29 on the main ejector rod 27, after penetrating into the matching hole 24, the auxiliary ejector platform 28 can eject the second control element 25, the internal flow is communicated with the matching hole 24 through the upper end opening, and the injection molding liquid can smoothly flow into the trigger block 13.

In more detail, the film covering block 6 is provided with a stroke cavity 30 for limiting the up-and-down running stroke of the pressing plate 11, the body 26 is provided with a radially protruding limiting table 31 arranged in the stroke cavity 30, a stroke resetting piece 32 is arranged between the upper table surface of the limiting table 31 and the top end part of the stroke cavity 30, the limiting table 31 is arranged to limit the maximum stroke interval of the up-and-down displacement of the pressing plate 11, and when the pressing plate 11 moves up to the limit position and then moves down to reset, the stroke resetting piece 32 provides downward assistance for the pressing plate 11.

The frame 1 is provided with an upper working cavity 33 for the working plate 3 to penetrate through and a side edge 34 flush with the working table 2, the width of the working plate 3 is equal to the sum of the width of the working table 2 and the width of the side edge 34, and the width of the pressing plate 11 is smaller than or equal to the width of the working table 2, so that each pressing block 12 on the pressing plate 11 is positioned in the working table 2 during working. The provision of the side edges 34 allows the edge portions of the dressing which extend during compression to be adequately positioned to provide more integrity at the edges of the finished product.

Preferably, a sliding plate 35 is disposed at the bottom end of the working platform 2, the sliding plate 35 can slide laterally along the axial direction of the frame 1, and a support rod 36 for lifting the working platform 2 is disposed between the sliding plate 35 and the working platform 2. Workstation 2 can utilize slide 35 and bracing piece 36 to realize horizontal translation and oscilaltion simultaneously when just beginning the feeding, makes things convenient for laying of dressing, and after product processing is accomplished, can accomplish the transmission to the product through the direct translation of slide 35.

In this embodiment, the sliding movement of the sliding plate 35 can be achieved by directly driving the sliding plate 35 to slide through a motor-driven lead screw or a gear shaft, which is a common technical knowledge that a person skilled in the art should understand.

The working principle of the invention is as follows: before processing, the workbench 2 is wholly lowered and moved outside the rack 1 to lay the dressing by utilizing the characteristic that the sliding plate 35 can transversely move and can lift with the workbench 2, after the dressing is filled, the workbench 2 is adjusted to be at the position flush with the side edge 34 of the rack 1, the working plate 3 moves downwards under the action of an external driver, when the working plate 3 moves downwards, the pressing block 12 firstly contacts the dressing, along with the increase of pressure, the upper surface of the auxiliary material can generate a groove matched with the pressing block 12, and the dressing can transversely extend and partially lay on the side edge 34 while being pressed, the triggering block 13 gradually moves upwards to trigger the flow control member 10 in the extrusion process, the main ejector rod 27 and the auxiliary ejector platform 28 can simultaneously perform upward ejection motion, when the main ejector rod 27 penetrates upwards into the main flow passage 15, the control ball 19 can be upwardly ejected into the accommodating groove 21, the liquid of moulding plastics can realize switching on through the injection hole 29 on the main ejector pin 27, vice top platform 28 penetrates in the mating holes 24 back, can open second control 25, it is linked together with mating holes 24 to realize the internal flow to upper end opening, make the liquid of moulding plastics can flow to trigger block 13 smoothly, the liquid of moulding plastics in the trigger block 13 flows to according to briquetting 12 through interior runner 14, and flow into the recess that the dressing formed on according to briquetting 12, begin the tectorial membrane from every extrusion department of dressing, the liquid of moulding plastics in the sprue 15 can be got rid of from going out connector 8, begin to carry out the tectorial membrane to the dressing from two sides and handle.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the frame 1, the workbench 2, the workbench 3, the pressing assembly 4, the film coating assembly 5, the film coating block 6, the external connection port 7, the output connection port 8, the flow channel 9, the flow control member 10, the pressing plate 11, the pressing block 12, the trigger block 13, the internal flow channel 14, the main flow channel 15, the secondary flow channel 16, the first flow control assembly 17, the second flow control assembly 18, the control ball 19, the first control member 20, the receiving groove 21, the through hole 22, the tail groove 23, the fitting hole 24, the second control member 25, the body 26, the main ram 27, the secondary top table 28, the injection hole 29, the stroke cavity 30, the limit table 31, the stroke resetting member 32, the upper working cavity 33, the side edge 34, the sliding plate 35, the support rod 36, the control plate 37, etc. are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a medical dressing TPU film processingequipment, includes frame (1) and sets up workstation (2) that are used for placing the dressing in frame (1), frame (1) on still be equipped with working plate (3) that can reciprocate relatively frame (1), its characterized in that, working plate (3) on be provided with workstation (2) cooperate and be used for rolling press component (4) of dressing on workstation (2) and carry out tectorial membrane subassembly (5) that the tectorial membrane was handled to the dressing, tectorial membrane subassembly (5) including setting up tectorial membrane piece (6) on working plate (3), offer on tectorial membrane piece (6) and be used for connecting the outer connector (7) of injection molding machine and be used for the play membrane (8) of injection molding liquid flow to dressing, play connector (8) and outer connector (7) between be provided with flow channel (9) that communicate between them, a flow control component (10) for changing the flow direction of the injection molding liquid is arranged in the flow channel (9), the pressing component (4) comprises a pressing plate (11) which is arranged in the film coating block (6) and can move up and down along the film coating block (6), a convex pressing block (12) is arranged on the surface of the pressing plate (11) facing the dressing direction, the upper end of the pressing plate (11) is provided with a trigger block (13) for triggering the opening and closing of the flow control component (10), an inner flow channel (14) matched with the flow channel (9) is arranged in the trigger block (13), the lower end outlet of the inner flow passage (14) is arranged on the pressing block (12), when the pressing plate (11) moves upwards and the trigger block (13) triggers the flow control component (10) to be in an open state, the injection liquid can not only flow out from the outlet connection opening (8), but also flow out from the pressing block (12) through the inner flow passage (14).

2. A medical dressing TPU film processing apparatus according to claim 1, characterized in that the flow channel (9) comprises a main flow channel (15) for introducing the injection molding liquid to the outlet connection port (8) and a secondary flow channel (16) for introducing the injection molding liquid to the inner flow channel (14), and the flow control member (10) comprises a first flow control assembly (17) disposed in the main flow channel (15) and a second flow control assembly (18) disposed in the secondary flow channel (16).

3. The TPU film processing device for the medical dressing according to claim 2, wherein the first flow control assembly (17) comprises a control ball (19) disposed on the main channel (15) for preventing the injection liquid from passing through in a non-conducting state and a first control member (20) for abutting against the control ball (19), a receiving groove (21) for receiving the first control member (20) is formed at the upper end of the coating block (6), one end of the first control member (20) is fixed at the bottom end of the receiving groove (21), the other end of the first control member (20) abuts against the control ball (19), a through hole (22) for the trigger block (13) to penetrate into the flow channel (9) is formed at the lower end of the coating block (6), and when the first flow control assembly (17) is in an initial state, the upper half part of the control ball (19) is received in the receiving groove (21), the lower half of the control ball (19) rests against the through-hole (22) under the action of the first control element (20).

4. The processing device of the TPU film for the medical dressing, as set forth in claim 3, is characterized in that a tail groove (23) is opened at the outlet end of the secondary flow passage (16), a fitting hole (24) for connecting the secondary flow passage (16) with the inner flow passage (14) is opened in the tail groove (23), the second flow control assembly (18) comprises a control plate (37) which is arranged on the film covering block (6) and can deflect up and down and a second control member (25) for changing the motion state of the control plate (37), when the second flow control assembly (18) is in an initial state, one side of the control plate (37) close to the film covering block (6) is in a high position under the action of the second control member (25), the other side of the control plate (37) is in a low position, and the fitting hole (24) is covered, so that the injection molding liquid cannot flow out of the fitting hole (24).

5. The processing device of the TPU film for the medical dressing according to claim 2, wherein the trigger block (13) comprises a body (26) for movably connecting the pressing plate (11) and the film covering block (6), the upper end of the body (26) is provided with a main ejector rod (27) which protrudes upwards and can extend into the main flow channel (15) and an auxiliary ejector platform (28) which can extend into the auxiliary flow channel (16), the main ejector rod (27) is provided with an injection molding hole (29) for passing injection molding liquid, and the upper end of the inner flow channel (14) is opened on the auxiliary ejector platform (28).

6. The processing device of the TPU film for the medical dressing according to claim 5, wherein the film covering block (6) is provided with a stroke cavity (30) for limiting the up-and-down travel of the pressing plate (11), the body (26) is provided with a limiting table (31) which is protruded in the radial direction and is arranged in the stroke cavity (30), and a stroke resetting piece (32) is arranged between the upper table surface of the limiting table (31) and the top end part of the stroke cavity (30).

7. The TPU film processing device for the medical dressing according to claim 1, wherein the frame (1) is provided with an upper working cavity (33) for the penetration of the working plate (3) and a side edge (34) flush with the workbench (2), the width of the working plate (3) is equal to the sum of the width of the workbench (2) and the width of the side edge (34), and the width of the pressing plate (11) is smaller than or equal to the width of the workbench (2), so that each pressing block (12) on the pressing plate (11) is positioned in the workbench (2) during working.

8. The processing device of the medical dressing TPU film as claimed in claim 1, wherein a sliding plate (35) is arranged at the bottom end of the workbench (2), the sliding plate (35) can slide transversely along the axial direction of the rack (1), and a support rod (36) for lifting the workbench (2) is arranged between the sliding plate (35) and the workbench (2).