CN112277277B

CN112277277B - Catheter manufacturing equipment and infusion apparatus production process applying same

Info

Publication number: CN112277277B
Application number: CN202010919539.2A
Authority: CN
Inventors: 李伟
Original assignee: Shanghai Kaile Infusion Set Factory Co ltd
Current assignee: Shanghai Kaile Infusion Set Factory Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2023-02-10
Anticipated expiration: 2040-09-04
Also published as: CN112277277A

Abstract

The invention relates to a catheter manufacturing device and an infusion apparatus production process applying the device, and the device comprises an extruder, a catheter forming device which is arranged at a discharge port of the extruder and is used for forming materials into catheters, an auxiliary feeding device which is arranged at a feed port of the extruder and is convenient for adding raw materials into the extruder, and a catheter slitting device which is arranged behind the catheter forming device along the movement direction of the catheters and is used for cutting the catheters at fixed length.

Description

Catheter manufacturing equipment and infusion apparatus production process applying same

Technical Field

The invention relates to the technical field of infusion apparatus catheter manufacturing, in particular to catheter manufacturing equipment and an infusion apparatus production process using the same.

Background

The disposable transfusion system is a medical consumable material for intravenous injection, and generally comprises eight parts of an intravenous needle or an injection needle, a needle head protective cap, a transfusion catheter, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like which are connected, wherein the transfusion catheter is the most basic part in the disposable transfusion system, so that the transfusion catheter has higher requirements on the aspects of precision, toughness, softness and the like.

Most of the existing catheters are formed by melting and extruding plastic particles through a catheter extruder and molding the catheters through a mold at a machine head.

In view of the above-mentioned related art, the inventor believes that there is a defect that when the molten materials are extruded into the mold to be cooled to form the conduit, but when the conduit is cooled and joined, the molten materials may not be well attached to the inner wall of the mold to form the conduit, and the molten materials are partially cooled, so that the materials are not completely and sufficiently joined, and the strength of the formed conduit at the joint of the wall thickness may be inconsistent.

Disclosure of Invention

In order to make the properties of all parts of the catheter relatively uniform, the application provides a catheter manufacturing device.

In a first aspect, the present application provides a catheter manufacturing apparatus, which adopts the following technical solutions:

the utility model provides a pipe manufacture equipment, includes the extruder, locate the extruder discharge gate and with the material shaping for the pipe forming device of pipe, locate pipe forming device rear and carry out the pipe that fixed length cut off with the pipe along pipe moving direction and cut the device, locate between pipe cutting device and the pipe forming device and drive the pipe and remove and refrigerated pipe cooling drive arrangement, pipe forming device is including connecting in the extruder discharge gate and using the preliminary setting mechanism of preliminary formation pipe of material, locating preliminary setting mechanism and keeping away from extruder one side and carrying out reheating mechanism that melts to the pipe once more, locating reheating mechanism and keeping away from preliminary setting mechanism one side and make pipe final forming mechanism of final shaping.

Through adopting above-mentioned technical scheme, when the material that melts when preliminary forming mechanism, can make the material cooling carry out initial forming mechanism, rethread reheating mechanism makes the fashioned pipe of preliminary cooling melt once more, make the material melt in order fully to intersect in reheating mechanism department, make pipe circumference lateral wall department be difficult for appearing the condition that nature differs, make the nature of the circumference lateral wall department that obtains the pipe of extruding through final forming mechanism comparatively homogeneous, the difficult condition that a certain part of pipe breaks easily that appears, help promoting the quality of pipe.

Preferably, preliminary design mechanism is including dismantling the preliminary pipe of finalizing the design of connecting in extruder discharge gate department, locate preliminary inside and axis of finalizing the design pipe and preliminary core rod, fixed connection in the connecting block of core rod circumference outer wall and preliminary design pipe circumference inner wall, locate preliminary design pipe and be close to the perforated plate in extruder one end opening part, and the core rod is conical towards extruder one end.

Through adopting above-mentioned technical scheme, the material that the extruder melts enters into preliminary design pipe through the perforated plate for rotatory material enters into preliminary design pipe with the mode that the straight line was carried in the extruder originally, makes the pipe can not appear rotatory condition when the cooling solidifies, and the effect of rethread plug makes the material laminate and transmits in the circumference inner wall of preliminary design pipe, makes the pipe carry out the preliminary design of the ring shape cross-section of a major diameter.

Preferably, the connecting block evenly sets up several pieces around the mandrel axis, be equipped with between two adjacent connecting blocks along preliminary stereotype intraductal radial seal sliding connection in preliminary stereotype several regulating blocks of inside wall of pipe, the intraduct portion of preliminary stereotype has seted up the disc groove that axis and mandrel axis are the same, the disc groove rotates around the mandrel axis and connects in the disc, the disc surface runs through and has seted up several waist shape hole, the radial contained angle that exists of waist shape hole and disc, each connecting block is towards the equal fixedly connected with slide bar of disc one end, slide bar edge waist shape hole length direction sliding connection in waist shape hole, preliminary stereotype the pipe and be equipped with the controllable circle and carry out pivoted disc drive subassembly around the mandrel axis.

Through adopting above-mentioned technical scheme, the disc rotates for the slide bar slides in waist shape hole, drives slide bar and regulating block then and removes along the radial direction of plug, so that the material through between plug and the regulating block obtains control, helps the material to obtain the extrusion, makes the material carry out one step and obtains the compaction, also can avoid the material can't obtain in time discharging through in time adjusting the regulating block, and makes the pressure in preliminary setting pipe and the extruder too big.

Preferably, the disc drives the subassembly and includes that threaded connection in the preliminary screw thread section of thick bamboo of stereotyping pipe circumference outer wall, along screw thread section of thick bamboo length direction sliding connection in the middle piece of screw thread section of thick bamboo inner wall, coaxial fixed connection in the pipe carousel of screw thread section of thick bamboo circumference outer wall, middle piece fixed connection in the circumference outer wall of disc.

Through adopting above-mentioned technical scheme, rotate a screw thread section of thick bamboo and rotate round the plug axis in order to drive the middle piece for the inside material of preliminary design is difficult to drive the disc and rotates to the pressure of regulating block, avoids the regulating block can not play the effect of regulation betterly, and the middle piece can remove along screw thread section of thick bamboo length direction simultaneously, makes a screw thread section of thick bamboo can not drive the disc and remove in the lump along the removal of the length direction of preliminary design pipe.

Preferably, reheating mechanism is including dismantling to be connected in preliminary sizing pipe and keep away from extruder one end and can carry out reheating electromagnetic heating pipe to preliminary pipe of stereotyping, and final forming mechanism is including dismantling to be connected in electromagnetic heating pipe and keep away from the final forming pipe of preliminary sizing pipe one end, and a part is located final forming pipe and is close to in one end department of electromagnetic heating pipe to the plug, and the pipe diameter of final forming pipe is less than preliminary minimum pipe diameter of sizing the pipe.

Through adopting above-mentioned technical scheme, electromagnetic heating pipe melts heating the pipe of preliminary design, then makes the pipe extrusion that melts enter into to final forming pipe for the material fully fuses that intersects in the final forming pipe, promotes the homogeneity of the final fashioned nature of pipe, helps promoting the quality of pipe, makes more closely knit of pipe.

Preferably, the pipe cooling driving device includes a cooling water tank disposed at one end of the final forming pipe far away from the electromagnetic heating pipe, a plurality of cooling guide wheels disposed below the liquid level of the cooling water tank, a cooling guide wheel driving mechanism disposed at the cooling water tank and driving the cooling guide wheels to move along the vertical direction, inlet grooves disposed at two ends of the cooling water tank and allowing the pipes to enter the cooling water tank, end guide wheels rotatably connected to the two inlet grooves in a one-to-one correspondence manner, and a pipe driving mechanism disposed at the cooling water tank and driving the pipes to move.

Through adopting above-mentioned technical scheme, the pipe that is extruded from final forming pipe is driven by pipe drive mechanism in step and is removed to get into to the cooling water tank through the upper portion of tip guide pulley in, pass the lower part of cooling guide pulley and transmit, make the pipe fully cool off through the cooling water tank normal water, make the pipe remove comparatively smoothly simultaneously, cooling water tank is also difficult for causing wearing and tearing to the outer wall of pipe.

Preferably, cooling guide pulley drive mechanism includes along vertical direction sliding connection in the guide pulley drive block of cooling water tank side, fixed connection in guide pulley drive block and stretch into to the guide pulley piece in the cooling water tank, fixed connection in the water tank bottom block of cooling water tank side bottom department, threaded connection in the water tank bottom block and rotate and connect in the threaded rod of guide pulley drive block bottom surface, coaxial fixed connection in the pole carousel of threaded rod, the equal one-to-one rotation of each cooling guide pulley is connected in every guide pulley piece.

Through adopting above-mentioned technical scheme, the dwang carousel drives the guide pulley and drives the piece and remove along vertical direction, drives all cooling guide pulleys then and carries out the removal of a synchronous vertical direction to the tensile force of adjustment pipe in the cooling water tank, also can ensure simultaneously that the pipe submergence is below cooling water tank's liquid level.

Preferably, pipe drive mechanism is including locating the fixed wheel board that coolant tank kept away from final forming tube one end, rotate and connect in the fixed rubber wheel of fixed wheel board, along vertical direction sliding connection in the perpendicular piece that moves of fixed wheel board, rotate and connect in the moving rubber wheel that erects the piece, fixed connection in the cylinder board of fixed wheel board upper end department, locate cylinder board and power pole fixed connection in the cylinder that erects the piece, locate fixed wheel board and output shaft coaxial fixed connection in the round motor of fixed rubber wheel.

Through adopting above-mentioned technical scheme, the pipe through the cooling removes the conveying between fixed rubber wheel and moving rubber wheel, moves the rubber wheel through the cylinder drive and moves along vertical direction to the pressure of adjusting between moving rubber wheel and the fixed rubber wheel to the pipe, also is convenient for when the pipe carries out the first of production, passes the pipe from between fixed rubber wheel and moving rubber wheel.

Preferably, the pipe is cut the device and is kept away from the brace table of cooling water tank one side including locating the fixed wheel board, receive the loudspeaker inlet pipe of brace table upper surface, locate the door type frame that the fixed wheel board one side was kept away from to the loudspeaker inlet pipe, along vertical direction sliding connection in the pipe cutter of door type frame, locate the gear installation pole of brace table upper surface, rotate the gear wheel of connecting in gear installation pole side, the upper end rotates the gear rod of connecting in gear wheel terminal surface circumference department, fixed connection is in the pipe cutter and along vertical direction sliding connection in the intermediate lever of door type frame, rotate and connect in the gear installation pole and mesh in the pinion of gear wheel, coaxial fixed connection is respectively in two belt pulleys of pinion and fixed rubber wheel in the one-to-one, the transmission is connected in the driving belt of two belt pulleys, the intermediate lever upper end articulates in the lower extreme of gear rod.

Through adopting above-mentioned technical scheme, make the wheel motor when driving the fixed rubber wheel and carry out the conveying, it carries out synchronous rotation to drive a lutong belt pulley through driving belt, then drive engaged with pinion and gear wheel and rotate, make the very fast linear velocity angular velocity of pinion change into the very slow angular velocity of gear wheel, make intermediate lever and gear lever cooperate and drive the pipe cutter with certain speed and remove along vertical direction, then make that the pipe cutter can be comparatively accurate carry out the fixed length cutting to the pipe, loudspeaker inlet pipe can guarantee the difficult production deviation of transmission direction of pipe when the pipe cuts simultaneously.

In a second aspect, the present application provides a production process of an infusion apparatus using a catheter manufacturing device, which adopts the following technical scheme:

a production process of an infusion apparatus applying catheter manufacturing equipment specifically comprises the following steps:

step 1, adding plastic particles into a feed inlet of an extruder, melting the plastic particles by the extruder, extruding the plastic particles through a primary sizing pipe, heating the plastic particles through an electromagnetic heating pipe to melt a guide pipe, fully intersecting the melted materials in the electromagnetic heating pipe, extruding the plastic particles through a final forming pipe, cooling and cutting the plastic particles, and simultaneously performing blow molding to manufacture a dropping funnel and injection molding to manufacture other parts;

step 2, assembling the regulator, the steel puncture needle device, the air filter and the liquid medicine filter;

step 3, carrying out general assembly on all components;

step 4, detecting air leakage of the assembled infusion apparatus;

step 5, performing small packaging treatment on the infusion apparatus through air leakage detection, assembling the infusion needle and the infusion apparatus, performing small packaging on a single infusion apparatus, and sealing the small package;

step 6, performing the same middle package treatment on a plurality of small-packaged infusion sets, then sealing the middle packages, and then boxing a plurality of middle packages;

and 7, sterilizing the boxed infusion apparatus, analyzing, randomly sampling and inspecting, and finally warehousing and storing.

By adopting the technical scheme, the shapes of all the circumferential side surfaces of the produced guide pipe are uniform, and the quality of the guide pipe is improved to a certain extent.

In summary, the invention includes at least one of the following beneficial technical effects:

when the melted materials pass through the primary shaping mechanism, the materials can be cooled to carry out the primary shaping mechanism, and then the primary cooling shaped conduit is melted again through the reheating mechanism, so that the materials are melted at the reheating mechanism to be fully converged, the circumferential side wall of the conduit is not easy to have different properties, the circumferential side wall of the conduit obtained by extrusion through the final shaping mechanism is uniform in properties, a certain part of the conduit is not easy to crack, and the quality of the conduit is improved;

the disc rotates for the slide bar slides in waist shape hole, drives slide bar and regulating block then and removes along the radial direction of plug, so that the material through between plug and the regulating block obtains control, helps the material to obtain the extrusion, makes the material carry out one step and obtains the compaction, also can avoid the material can't obtain in time discharging through in time adjusting the regulating block, and makes the pressure in preliminary design pipe and the extruder too big.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a side cross-sectional view of the threaded barrel at the primary sizing tube to show the configuration of the exposed disk slot portion of the disk;

FIG. 3 is a cross-sectional structural schematic of the cross-section at two locations of the primary sizing tube;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a schematic view of the structure of the pipe cooling and driving device and the pipe cutting device;

fig. 6 is a schematic view of the structure of the support stand as viewed from the end thereof away from the cooling water tank toward the cooling water tank;

fig. 7 is an enlarged view at B in fig. 6.

In the figure, 1, an extruder; 11. a belt pulley; 12. a drive belt; 13. adjusting block grooves; 14. a support table; 15. a gear mounting rod; 16. a box block; 2. a catheter forming device; 21. a cylinder; 22. a wheel motor; 23. a horn feed pipe; 24. a gantry frame; 25. a catheter cutter; 26. a bull gear; 27. a gear lever; 28. an intermediate lever; 29. a pinion gear; 3. a conduit cooling drive device; 31. a guide wheel block; 32. a water tank bottom block; 33. a threaded rod; 34. a lever turntable; 35. a fixed wheel plate; 36. fixing a rubber wheel; 37. vertically moving the block; 38. a movable rubber wheel; 39. a cylinder plate; 4. a conduit slitting device; 41. a middle block; 42. a tube carousel; 43. an electromagnetic heating pipe; 44. finally forming a tube; 45. a cooling water tank; 46. cooling the guide wheel; 47. entering a groove; 48. an end guide wheel; 49. the guide wheel drives the block; 5. preliminary shaping of the tube; 51. a core rod; 52. connecting blocks; 53. a perforated plate; 54. an adjusting block; 55. a disc groove; 56. a disc; 57. a waist-shaped hole; 58. a slide bar; 59. and (4) a threaded cylinder.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses pipe manufacture equipment, refer to fig. 1, including being used for adding raw materials such as PVC in order to melt extruder 1 of extruding, extruder 1 can be single screw extruder, and 1 discharge gate department of extruder installs the pipe forming device 2 of taking the material shaping as the pipe, follows pipe moving direction, and the rear of pipe forming device 2 is once installed and is driven the pipe to remove and refrigerated pipe cooling drive arrangement 3 and carry out the pipe with the pipe and cut device 4 that cuts the fixed length.

Referring to fig. 1 and 2, the conduit forming device 2 includes a preliminary forming mechanism detachably connected to a discharge port of the extruder 1 through a flange to preliminarily form a conduit with a material, a reheating mechanism disposed at one side of the preliminary forming mechanism away from the extruder 1 and reheating and melting the conduit, and a final forming mechanism disposed at one side of the reheating mechanism away from the preliminary forming mechanism to finally form the conduit, the preliminary forming mechanism includes a preliminary shaping pipe 5 flange-connected to the discharge port of the extruder 1 and horizontally, as shown in fig. 3, one end of the preliminary shaping pipe 5 close to the extruder 1 is fixedly connected with a porous plate 53 for the material in a molten state to enter the preliminary shaping pipe 5, as shown in fig. 4, a plurality of connecting blocks 52 are uniformly and fixedly connected to a circumferential inner wall of one end of the preliminary shaping pipe 5 close to the extruder 1 around an axis of the circumferential inner wall of the preliminary shaping pipe 5, one end of each connecting block 52, which is far away from the inner wall of the circumference of the primary sizing pipe 5, is fixedly connected with the same mandrel 51, the axis of the mandrel 51 is the same as the axis of the inner wall of the circumference of the primary sizing pipe 5, one end of the mandrel 51, which faces the porous plate 53, is conical, adjusting blocks 54 which are tightly connected with the inner wall of the primary sizing pipe 5 in a sliding manner along the radial direction of the mandrel 51 are arranged between two adjacent connecting blocks 52, the inner wall of the circumference of the primary sizing pipe 5 is provided with a plurality of adjusting block grooves 13 which are one-to-one corresponding to each adjusting block 54, the adjusting blocks 54 are connected with the adjusting block grooves 13 in a sliding manner along the radial direction of the mandrel 51, the outer wall of the circumference of the primary sizing pipe 5 is provided with a disc groove 55 around the axis of the mandrel 51, the disc groove 55 is communicated with each adjusting block groove 13, one end of each adjusting block 54, which is positioned in the disc groove 55, is fixedly connected with a sliding rod 58, the disc 56 is connected with a vertical side surface of the disc groove 55 around the axis of the mandrel 51 in a rotating manner, disc 56 terminal surface is evenly run through around self axis and is seted up the several waist shape hole 57 that one-to-one corresponds to each slide bar 58, there is the contained angle in the length direction in waist shape hole 57 and the radial direction of disc 56, each slide bar 58 all along corresponding waist shape hole 57 length direction sliding connection in the waist shape hole 57 that corresponds, make slide bar 58 can drive adjusting block 54 and remove along the radial direction of plug 51 when disc 56 rotates around self axis, preliminary sizing pipe 5 installs steerable disc 56 and carries out pivoted disc drive assembly around plug 51 axis, disc drive assembly includes partial threaded connection in the screw cylinder 59 of preliminary sizing pipe 5 circumference outer wall, threaded connection 59 is not threaded connection in the inner wall of preliminary sizing pipe 5 along self length direction sliding connection have several intermediate blocks 41, intermediate block 41 fixed connection is in the circumference outer wall of disc 56, the one end coaxial fixedly connected with pipe carousel 42 of extruder 1 is kept away from to preliminary sizing pipe 5, reheating mechanism includes that the electromagnetic heating pipe 43 of keeping away from extruder 1 one end of extruder is kept away from in preliminary sizing pipe 5 through flange coaxial detachable connection in preliminary sizing pipe 5, electromagnetic heating pipe 43 is close to the final shaping pipe 44 that the inner diameter of the final shaping pipe 44 that the final shaping pipe is located the final shaping pipe 44 that the final shaping pipe is melted through the electromagnetic heating pipe 44 that the electromagnetic heating pipe is heated with the heat transfer through the one end of the electromagnetic shaping pipe.

Referring to fig. 5 and 6, the guide tube cooling driving device 3 includes a cooling water tank 45 with a length direction parallel to the moving direction of the guide tube, a box block 16 placed on the ground is fixedly connected to the lower surface of the cooling water tank 45, an opening is provided on the upper portion of the cooling water tank 45, two ends of the cooling water tank 45 in the length direction are respectively provided with an inlet groove 47 communicated to the inside of the cooling water tank 45, two inlet grooves 47 are respectively rotatably connected with an end guide wheel 48 with a vertical end surface parallel to the length direction of the cooling water tank 45, the guide tube is attached to the upper portion of the end guide wheel 48 for transmission, a plurality of cooling guide wheels 46 uniformly arranged along the length direction of the cooling water tank 45 are installed below the liquid level inside the cooling water tank 45, the end surfaces of the cooling guide wheels 46 are parallel to the end surface of the end guide wheel 48, the guide tube is transmitted from the lower portion of the cooling guide wheel 46, the cooling water tank 45 is provided with a cooling guide wheel driving mechanism for driving the cooling guide wheel 46 to move along the vertical direction, cooling guide pulley drive mechanism includes that the guide pulley of following vertical direction sliding connection in the vertical outer wall of length direction of cooling water tank 45 drives piece 49, the guide pulley drives piece 49 fixedly connected with one-to-one in each cooling guide pulley 46's guide pulley block 31, guide pulley block 31 keeps away from that guide pulley drives piece 49 one end stretches into below cooling water tank 45's the liquid level from cooling water tank 45's upper portion opening, each cooling guide pulley 46 all rotates to be connected in corresponding guide pulley block 31, cooling water tank 45 sets up the bottom fixedly connected with water tank bottom block 32 of the vertical outer wall of guide pulley drive piece 49, water tank bottom block 32 has threaded rod 33 of wearing to locate water tank bottom block 32 and threaded connection in water tank bottom block 32 along lower surface threaded connection, threaded rod 33 bottom coaxial fixedly connected with pole carousel 34, drive mechanism that drives pipe and remove, pipe drive mechanism includes that fixed connection keeps away from extruder 1's length direction one end and be vertical fixed wheel plate board at cooling water tank 45 and be vertical 35, the vertical side of fixed wheel board 35 rotates and is connected with the fixed rubber wheel 36 that the terminal surface is on a parallel with cooling guide 46 terminal surface, the vertical side fixedly connected with output shaft that fixed wheel board 35 deviates from fixed rubber wheel 36 is coaxial fixedly connected in the wheel motor 22 of fixed rubber wheel 36, fixed wheel board 35 upper portion fixedly connected with is horizontally cylinder board 39, fixed surface is connected with cylinder 21 on the cylinder board 39, cylinder 21 power pole bottom fixedly connected with along vertical direction sliding connection in the perpendicular piece 37 that moves of fixed wheel board 35, perpendicular piece 37 that moves deviates from the vertical side rotation of fixed wheel board 35 and is connected with movable rubber wheel 38, movable rubber wheel 38 axis is on a parallel with the axis of fixed rubber wheel 36, wear to establish and receive between pipe driven rubber wheel 38 and the fixed rubber wheel 36 and move rubber wheel 38 and fixed rubber wheel 36 tightly.

Referring to fig. 6 and 7, the conduit cutting device 4 includes a supporting table 14 close to one side of a fixed wheel plate 35 far from a cooling water tank 45, the bottom of the supporting table 14 is fixedly connected with the bottom of the cooling water tank 45, the upper surface of the supporting table 14 is close to one side of the fixed wheel plate 35 and is fixedly connected with a horn feeding pipe 23, one end of the horn feeding pipe 23 close to the fixed wheel plate 35 is horn-shaped, the upper surface of the supporting table 14 is fixedly connected with a portal frame 24 close to one side of the horn feeding pipe 23 far from the fixed wheel plate 35, the close vertical sides of two vertical sections of the upper surface of the portal frame 24 are vertically connected with a conduit cutter 25 in a sliding manner, one end of the conduit cutter 25 in the length direction is fixedly connected with an intermediate rod 28 connected to the portal frame 24 in a sliding manner in the vertical direction, the intermediate rod 28 penetrates through the vertical side of the portal frame 24 deviating from the conduit cutter 25, one end of the intermediate rod 28 far from the conduit cutter 25 is hinged with a gear rod 27, the upper surface of the supporting table 14 is fixedly connected with a gear mounting rod 15, the gear mounting rod 15 rotates towards the side of the door frame 24 and is connected with a belt pulley 29, one end of a belt pulley 29 of a fixed pulley 36 connected with a belt pulley 11, one end of a belt pulley 15 which is connected with a belt pulley 11 which is also deviates from a fixed pulley 11, one end of a belt pulley 35 which is connected with a belt pulley 11, the fixed pulley 35, the belt pulley 11.

The implementation principle of the embodiment of the application is as follows: when the material that melts was through preliminary forming mechanism, can make the material cooling carry out initial forming mechanism, rethread reheating mechanism makes the fashioned pipe of preliminary cooling melt again for the material melts in order fully to intersect in reheating mechanism department, makes the difficult condition that the nature differs that appears in pipe circumference lateral wall department.

The embodiment of the application also discloses an infusion apparatus production process applying the catheter manufacturing equipment, which specifically comprises the following steps:

step 1, adding plastic particles into a feed inlet of an extruder 1, melting the plastic particles by the extruder 1, extruding the plastic particles through a primary sizing pipe 5, heating the plastic particles through an electromagnetic heating pipe 43 to melt a guide pipe, fully intersecting the melted plastic particles in the electromagnetic heating pipe, extruding the melted plastic particles through a final forming pipe 44, cooling and cutting the melted plastic particles, and simultaneously performing blow molding to manufacture a dropping funnel and injection molding to manufacture other parts;

step 3, carrying out general assembly on all components;

step 4, detecting air leakage of the assembled infusion apparatus;

step 5, performing small packaging treatment on the infusion apparatus through air leakage detection, assembling the infusion needle and the infusion apparatus at the same time, performing small packaging on a single infusion apparatus, and sealing the small package;

step 6, performing the same middle package treatment on a plurality of small-package infusion sets, sealing the middle packages, and boxing a plurality of middle packages;

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a pipe manufacture equipment, includes extruder (1), locate extruder (1) discharge gate and with pipe forming device (2) of material shaping for the pipe, locate pipe forming device (2) rear and carry out fixed length cut's pipe with the pipe along pipe moving direction and cut device (4), locate between pipe cutting device (4) and pipe forming device (2) and drive pipe cooling drive arrangement (3) that remove and refrigerated pipe with the pipe drive, its characterized in that: the conduit forming device (2) comprises a preliminary shaping mechanism detachably connected to a discharge port of the extruder (1) to preliminarily form a conduit with the material, a reheating mechanism arranged in the preliminary shaping mechanism to keep away from one side of the extruder (1) and to reheat the conduit for melting, a final shaping mechanism arranged in the reheating mechanism to keep away from one side of the preliminary shaping mechanism so as to finally shape the conduit, the preliminary shaping mechanism comprises a preliminary shaping pipe (5) detachably connected to the discharge port of the extruder (1), a core rod (51) arranged in the preliminary shaping pipe (5) and having the same axis as that of the preliminary shaping pipe (5), a connecting block (52) fixedly connected to the outer circumferential wall of the core rod (51) and the inner circumferential wall of the preliminary shaping pipe (5), a porous plate (53) arranged in the opening at one end of the extruder (1) and close to the primary shaping pipe (5), the core rod (51) is conical towards one end of the extruder (1), the reheating mechanism comprises an electromagnetic shaping pipe (43) detachably connected to the preliminary shaping pipe (5) to keep away from one end of the extruder (1) and reheating pipe (44) close to one end of the final shaping pipe (44) which is located in the final shaping pipe (44) close to one end of the heating pipe (44) of the final heating pipe (44) which is detachably connected to the one end of the primary shaping pipe (5), the pipe diameter of the final forming pipe (44) is smaller than the minimum pipe diameter of the primary sizing pipe (5).

2. A catheter manufacturing apparatus according to claim 1, wherein: connecting block (52) are evenly set up several blocks around mandrel (51) axis, be equipped with between two adjacent connecting blocks (52) along tentatively stereotype pipe (5) radial seal sliding connection in tentatively stereotype several regulating block (54) of pipe (5) inner wall, the disk groove (55) that axis and mandrel (51) axis are the same is seted up to tentatively stereotype pipe (5) inside, disk groove (55) rotate around mandrel (51) axis and connect in disc (56), several waist shape hole (57) have been seted up in disc (56) surface running through, there is the contained angle radially of waist shape hole (57) and disc (56), each connecting block (52) are towards disc (56) equal fixedly connected with slide bar (58) of one end, slide bar (58) are followed waist shape hole (57) length direction sliding connection in waist shape hole (57), tentatively stereotype pipe (5) are equipped with steerable disc (56) and carry out pivoted disc drive assembly around mandrel (51) axis.

3. A catheter manufacturing apparatus according to claim 2, wherein: the disc drives the subassembly and includes threaded connection in the screw thread section of thick bamboo (59) of preliminary design pipe (5) circumference outer wall, along screw thread section of thick bamboo (59) length direction sliding connection in intermediate block (41) of screw thread section of thick bamboo (59) inner wall, coaxial fixed connection in the pipe carousel (42) of screw thread section of thick bamboo (59) circumference outer wall, intermediate block (41) fixed connection in the circumference outer wall of disc (56).

4. A catheter manufacturing apparatus according to claim 3, wherein: the guide pipe cooling driving device (3) comprises a cooling water tank (45) arranged at one end of the final forming pipe (44) far away from the electromagnetic heating pipe (43), a plurality of cooling guide wheels (46) arranged below the liquid level of the cooling water tank (45), a cooling guide wheel driving mechanism arranged on the cooling water tank (45) and driving the cooling guide wheels (46) to move along the vertical direction, an inlet groove (47) arranged at two ends of the cooling water tank (45) and used for the guide pipe to enter the cooling water tank (45), end guide wheels (48) which are in one-to-one correspondence and connected with the two inlet grooves (47) in a rotating mode respectively, and a guide pipe driving mechanism arranged on the cooling water tank (45) and used for driving the guide pipe to move.

5. The apparatus for manufacturing a catheter as set forth in claim 4, wherein: cooling guide wheel drive mechanism includes along vertical direction sliding connection in guide wheel drive piece (49) of cooling water tank (45) side, fixed connection in guide wheel drive piece (49) and stretch into guide wheel piece (31) in cooling water tank (45), water tank bottom block (32) of fixed connection in cooling water tank (45) side bottom department, threaded connection in water tank bottom block (32) and rotate and connect in threaded rod (33) of guide wheel drive piece (49) bottom surface, pole carousel (34) of coaxial fixed connection in threaded rod (33), each cooling guide wheel (46) homogeneous corresponds to rotate to be connected in every guide wheel piece (31).

6. The apparatus for manufacturing a catheter according to claim 5, wherein: pipe drive mechanism is including locating fixed wheel board (35) that cooling water tank (45) kept away from final forming pipe (44) one end, rotate fixed rubber wheel (36) of connecting in fixed wheel board (35), along vertical direction sliding connection in the perpendicular piece (37) that moves of fixed wheel board (35), rotate and connect in the moving rubber wheel (38) that erects the piece (37), fixed connection is in cylinder board (39) of fixed wheel board (35) upper end department, locate cylinder board (39) and power rod fixed connection in the cylinder (21) that erects the piece (37), locate fixed wheel board (35) and output shaft coaxial fixed connection in wheel motor (22) of fixed rubber wheel (36).

7. The apparatus for manufacturing a catheter as set forth in claim 6, wherein: device (4) is cut to pipe is including locating brace table (14) of deciding wheel plate (35) and keeping away from cooling water tank (45) one side, receive horn inlet pipe (23) of brace table (14) upper surface, locate door type frame (24) of deciding wheel plate (35) one side of loudspeaker inlet pipe (23), along vertical direction sliding connection in pipe cutter (25) of door type frame (24), locate gear installation pole (15) of brace table (14) upper surface, rotate gear wheel (26) of connecting in gear installation pole (15) side, upper end rotation connects in gear pole (27) of gear wheel (26) terminal surface circumference department, fixed connection is in pipe cutter (25) and along vertical direction sliding connection in intermediate lever (28) of door type frame (24), rotate and connect in gear installation pole (15) and engage pinion (29) of gear wheel (26), coaxial fixed connection respectively in two belt pulley (11) of pinion (29) and deciding rubber pulley (36) transmission one-to-one, connect in belt drive (12) of two belt pulley (11), intermediate lever (28) upper end articulates in the lower extreme of gear pole (27).

8. A production process of an infusion set using the catheter manufacturing equipment of claim 1, which is characterized in that: the method specifically comprises the following steps:

step 1, adding plastic particles into a feed inlet of an extruder (1), melting the plastic particles by the extruder (1), extruding the plastic particles through a primary sizing pipe (5), heating the plastic particles through an electromagnetic heating pipe (43) to melt a guide pipe, fully intersecting the melted plastic particles in the electromagnetic heating pipe, extruding the melted plastic particles through a final forming pipe (44), cooling and cutting the molten plastic particles, and simultaneously performing blow molding to manufacture a dropping funnel and injection molding to manufacture other parts;

step 3, carrying out general assembly on all components;

step 4, detecting air leakage of the assembled infusion apparatus;

and 7, sterilizing the packed infusion apparatus, analyzing, randomly sampling and inspecting, and finally warehousing and storing.