CN106039541B - Assembling device for medical accessories of safety intravenous needle - Google Patents
Assembling device for medical accessories of safety intravenous needle Download PDFInfo
- Publication number
- CN106039541B CN106039541B CN201610569684.6A CN201610569684A CN106039541B CN 106039541 B CN106039541 B CN 106039541B CN 201610569684 A CN201610569684 A CN 201610569684A CN 106039541 B CN106039541 B CN 106039541B
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- Prior art keywords
- guide
- bottom plate
- plate
- sliding
- cylinder
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- 238000001990 intravenous administration Methods 0.000 title claims abstract description 22
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000001802 infusion Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0014—Connecting a tube to a hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/565—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits involving interference fits, e.g. force-fits or press-fits
Abstract
The invention discloses an assembly device for a safety intravenous needle medical accessory, which comprises: a first guide mechanism and a second guide mechanism; wherein, the first guiding mechanism and the second guiding mechanism are arranged oppositely; the first guide mechanism comprises a first guide plate, and a plurality of first guide slots are uniformly arranged in an array along the length direction of one side of the first guide plate; the second guide mechanism comprises a second guide plate, a plurality of second guide slots are uniformly arranged in an array along the length direction of one side of the second guide plate, and the first guide slots and the second guide slots are oppositely arranged. The assembly device provided by the invention is used for splicing the first guide slotted hole on the first guide plate in the first guide mechanism and the second guide slotted hole on the second guide plate in the second guide mechanism to form a closed guide slotted hole, and the closed guide slotted hole is used as a guide surface when the needle seat is inserted into the sliding sleeve, so that the hole-shaft matching between the needle seat and the sliding sleeve is easy to realize, and the assembly is accurate.
Description
Technical Field
The invention belongs to the technical field of manufacturing equipment of medical equipment, and particularly relates to an assembling device for a medical accessory of a safety intravenous needle.
Background
Medical accessories are of various kinds, for example, an infusion apparatus is an auxiliary apparatus commonly used in medical treatment, and is mainly used for intravenous infusion, and is an important disposable medical consumable material which is subjected to aseptic treatment and establishes a channel between a vein and liquid medicine. The medical accessories assembled into the infusion apparatus comprise a vein needle, a protective cap, a liquid medicine filter, a regulator for controlling the flow rate of the liquid medicine, a drip cup, a bottle stopper puncture outfit, an air inlet pipe air filter and the like. The medical accessories are connected through a conduit, and the liquid medicine circulates from the conduit. Wherein the regulator can be directed against different time, different personnel adjust different liquid medicine input speed, ensure infusion personnel's safety and comfort level when improving efficiency. When the infusion apparatus is produced and assembled, each medical accessory needs to be moved to a carrier thereof, and then the medical accessory is moved to a corresponding assembly station through the carrier to be assembled with the infusion apparatus catheter.
However, in the conventional medical accessory assembling machine, the assembling mode of hole-shaft matching between smaller medical accessories is difficult, alignment is difficult, and the phenomenon of deviation is easy to occur.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an assembly device for a medical accessory of a safety intravenous needle, which is easy to realize hole shaft matching between a needle seat and a sliding sleeve and is accurate in assembly.
The specific technical scheme is as follows:
an assembly device for a safety intravenous needle medical accessory, comprising: a first guide mechanism and a second guide mechanism; the first guide mechanism and the second guide mechanism are both arranged on a flow line assembled by the medical accessory, the first guide mechanism and the second guide mechanism are arranged oppositely, the upper end of the first guide mechanism is level with the upper end of the second guide mechanism, and the lower end of the first guide mechanism is higher than the lower end of the second guide mechanism; the first guide mechanism comprises a first guide plate, and a plurality of first guide slots are uniformly arranged in an array along the length direction of one side of the first guide plate; the second guide mechanism comprises a second guide plate, a plurality of second guide slots are uniformly arranged in an array along the length direction of one side of the second guide plate, the first guide slots are opposite to the second guide slots and correspond to each other one by one, and when the first guide slots are spliced with the second guide slots, a closed guide hole is formed and used as a guide surface when the needle seat is inserted into the sliding sleeve.
The assembly device provided by the invention is used for splicing the first guide slotted hole on the first guide plate in the first guide mechanism and the second guide slotted hole on the second guide plate in the second guide mechanism to form a closed guide slotted hole, and the closed guide slotted hole is used as a guide surface when the needle seat is inserted into the sliding sleeve, so that the hole-shaft matching between the needle seat and the sliding sleeve is easy to realize, and the assembly is accurate.
Preferably, the first guide slot hole is horn-shaped, and is large in caliber upwards and comprises a first fan-shaped conical cambered surface and a square groove, wherein the first fan-shaped conical cambered surface and the square groove are integrally formed, and the square groove is matched with the square side face of the sliding sleeve.
According to the invention, the first guide slot hole adopts a horn shape, so that the needle seat can be smoothly inserted into the sliding sleeve, and the lower end of the first guide slot hole is provided with the square groove matched with the square side surface of the sliding sleeve, so that the sliding sleeve can be better clamped when the first guide plate and the second guide plate are spliced.
Preferably, the second guide slot hole is horn-shaped and has an upward large caliber, and comprises a second fan-shaped conical cambered surface and a circular groove, wherein the second fan-shaped conical cambered surface and the circular groove are integrally formed, and the circular groove is matched with the circular arc side surface of the sliding sleeve.
According to the invention, the second guide slotted hole adopts a horn shape, so that the needle seat can be smoothly inserted into the sliding sleeve, and the lower end of the second guide slotted hole is a circular groove matched with the circular side surface of the sliding sleeve, so that the sliding sleeve can be better clamped when the first guide plate and the second guide plate are spliced.
Preferably, the first guide mechanism includes: a first bottom plate in a strip shape; four first upright posts are distributed on each corner of the first bottom plate, one end of each first upright post is connected with the first bottom plate, and the other end of each first upright post is connected with a first guide bottom plate; the two first sliding components are symmetrically arranged at the left side and the right side of the first guide bottom plate; the piston rod end of the first cylinder is connected with the first guide plate through a first cylinder connecting block, the cylinder body of the first cylinder is fixed on the first guide bottom plate through a first cylinder liner plate, and the first cylinder is connected with an external air source; wherein, the both ends of first deflector link to each other with two first slip subassembly.
According to the invention, the air cylinder is used as a power source for moving the first guide plate, and the first guide plate is arranged on the first sliding assembly, so that the movement of the first guide plate becomes stable, and the reliability is higher.
Preferably, a first bar-shaped groove is respectively arranged on the left side and the right side of the first guide bottom plate, and penetrates through the front side and the rear side of the first guide bottom plate, wherein the first sliding component is embedded in the first bar-shaped groove.
In the invention, first strip-shaped grooves are arranged on two sides of a first guide plate and used as positioning grooves for mounting the first sliding components, so that parallelism of the first sliding components on the left side and the right side of the first guide plate is mentioned.
Preferably, the first sliding component comprises a first sliding rail and a first sliding block, wherein the first sliding rail is embedded in the first strip-shaped groove and is fixed on the first guide bottom plate through a threaded fastener; one side of the first sliding block is clamped on the first sliding rail, and the other side of the first sliding block is connected with the first guide plate.
According to the invention, the first sliding component is matched with the first sliding rail for use, and the first sliding rail is clamped with the first sliding block, so that the motion is transferred more stably.
Preferably, the second guide mechanism includes: the two second bottom plates are respectively positioned at the left side and the right side of the second mechanism; four second upright posts are divided into two groups and are respectively positioned at the front end and the rear end of the second bottom plate; one end of the second upright post is connected with the second bottom plate, and the other end of the second upright post is connected with a second guide bottom plate; the two second sliding components are symmetrically arranged at the left side and the right side of the second guide bottom plate; the two ends of the guide support bottom plate are respectively connected with the second sliding component; one end of the guide support plate is connected with the guide support bottom plate, and the other end of the guide support plate is connected with the second guide plate; the piston rod end of the second cylinder is connected with the guide support bottom plate through a second cylinder connecting block, the cylinder body of the second cylinder is fixed on the second guide bottom plate through a second cylinder backing plate, and the second cylinder is connected with an external air source; the guide support bottom plate is parallel to the second guide plate, and the guide support bottom plate, the guide support plate and the second guide plate form a C-shaped mechanism.
According to the invention, the air cylinder is used as a power source for moving the first guide plate, and the first guide plate is arranged on the first sliding assembly, so that the movement of the first guide plate becomes stable, and the reliability is higher.
Preferably, a second bar-shaped groove is respectively arranged on the left side and the right side of the second guide bottom plate, and penetrates through the front side and the rear side of the second guide bottom plate, wherein the second sliding component is embedded in the second bar-shaped groove.
In the invention, second strip-shaped grooves are arranged on two sides of the first guide plate and are used as positioning grooves for mounting the first sliding components, so that parallelism of the second sliding components on the left side and the right side of the second guide plate is mentioned.
Preferably, the second sliding component comprises a second sliding rail and a second sliding block, wherein the second sliding rail is embedded in the second strip-shaped groove and is fixed on the second guide bottom plate through a threaded fastener; one side of the second sliding block is clamped on the second sliding rail, and the other side of the second sliding block is connected with the guide supporting bottom plate.
According to the invention, the second sliding component is matched with the second sliding rail for use, and the second sliding rail is clamped with the second sliding block, so that the motion is transferred more stably.
Preferably, the first fixing hole on the first guide plate, the second fixing hole on the second guide plate and the third fixing hole on the guide support bottom plate are counter bores.
In the invention, the first fixing hole, the second fixing hole and the third fixing hole are counter bores, so that the surfaces of the first guide plate, the second guide plate and the guide support bottom plate are flat and smooth after being connected.
The technical scheme has the positive effects that:
the assembly device provided by the invention is used for splicing the first guide slotted hole on the first guide plate in the first guide mechanism and the second guide slotted hole on the second guide plate in the second guide mechanism to form a closed guide slotted hole, and the closed guide slotted hole is used as a guide surface when the needle seat is inserted into the sliding sleeve, so that the hole-shaft matching between the needle seat and the sliding sleeve is easy to realize, and the assembly is accurate.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an assembly device for a safety intravenous needle medical accessory of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is an enlarged view of a portion B of FIG. 4;
fig. 6 is a schematic structural view of a safety bar 3 in an embodiment of an assembling device for a safety intravenous needle medical accessory of the present invention;
FIG. 7 is a schematic view of a first guide mechanism in an embodiment of an assembly device for a safety intravenous needle medical accessory of the present invention;
FIG. 8 is an enlarged view of a portion C of FIG. 7;
FIG. 9 is a schematic view of a second guide mechanism in an embodiment of an assembly device for a safety intravenous needle medical accessory of the present invention;
FIG. 10 is an enlarged view of a portion D of FIG. 9;
FIG. 11 is a top view of an embodiment of an assembly device for a safety intravenous needle medical accessory of the present invention;
fig. 12 is a partial enlarged view of a portion E in fig. 11.
In the accompanying drawings: 1. a first guide mechanism, 11 and a first bottom plate; 12. a first upright; 13. a first guide base plate; 131. a first bar-shaped groove; 14. a first slide assembly; 141. a first slide rail; 142. a first slider; 15. a first guide plate; 151. a first fixing hole, 152, a first guide slot; 1521. a first fan-shaped conical cambered surface; 1522. square grooves; 16. a first cylinder; 17. a first cylinder connection block; 18. a first cylinder liner; 2. a second guide mechanism, 21, a second bottom plate; 22. a second upright; 23. a second guide bottom plate; 231. a second bar-shaped groove; 24. a second slide assembly; 241. a second slide rail; 242. a second slider; 25. a guide support base plate; 251. a third fixing hole; 26. a guide support plate; 27. a second guide plate; 271. a second guide slot; 272. a second fixing hole; 2721. a second fan-shaped conical cambered surface; 2722. a circular groove; 28. a second cylinder; 29. a second cylinder connecting block; 20. a second cylinder liner plate; 3. safety tool bars; 31. square slot.
Detailed Description
In order to make the technical means, creation features, achievement of objects and effects of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 11 for an assembly device for a safety intravenous needle medical accessory.
FIG. 1 is a schematic structural view of an embodiment of an assembly device for a safety intravenous needle medical accessory; FIG. 2 is a right side view of FIG. 1; FIG. 4 is a top view of FIG. 1; as shown in fig. 1, 2 and 4, the assembly device for a medical accessory of a safety intravenous needle according to the present embodiment is used for realizing accurate assembly between a needle seat and a sliding sleeve in the safety intravenous needle, and includes a first guiding mechanism 1 and a second guiding mechanism 2.
In the present embodiment, the position of the first guide mechanism 1 is defined as the front of the mounting device, the position of the second guide mechanism 2 is defined as the rear of the mounting device, the position of the first guide plate 15 is defined as the upper side of the mounting device, and the position of the first bottom plate 11 is defined as the lower side of the mounting device.
Specifically, the first guiding mechanism 1 and the second guiding mechanism 2 are both installed on a flow line for assembling medical accessories, the first guiding mechanism 1 and the second guiding mechanism 2 are oppositely arranged, the upper end of the first guiding mechanism 1 is flush with the upper end of the second guiding mechanism 2, and the lower end of the first guiding mechanism 1 is higher than the lower end of the second guiding mechanism 2.
FIG. 7 is a schematic view of a first guide mechanism in an embodiment of an assembly device for a safety intravenous needle medical accessory of the present invention; in a preferred embodiment, as shown in fig. 1 and 7, the first guide mechanism 1 includes: a first base plate 11, four first upright posts 12, a first guide base plate 13, two first sliding components 14, a first guide plate 15 and a first cylinder 16.
Specifically, the first bottom plate 11 is in a strip-like plate shape; four first upright posts 12 are distributed on each corner of the first bottom plate 11, one end of each first upright post 12 is connected with the first bottom plate 11, and the other end of each first upright post 12 is connected with the first guide bottom plate 13 to serve as a support of the first guide mechanism 1; the two first sliding components 14 are symmetrically arranged at the left side and the right side of the first guide bottom plate 13; two ends of the first guide plate 15 are respectively connected with two first sliding components 14, and relative movement between the first guide plate 15 and the first guide bottom plate 13 is realized through the sliding components; the piston rod end of the first cylinder 16 is connected with the first guide plate 15 through a first cylinder connecting block 17, the cylinder body of the first cylinder 16 is fixed on the first guide bottom plate 13 through a first cylinder base plate 18, the first cylinder 16 is connected with an external air source, and the first guide plate 15 is pushed to move back and forth on the first sliding component 14 through the first cylinder 16.
FIG. 3 is an enlarged view of a portion A of FIG. 1; in a preferred embodiment, as shown in fig. 1 and 3, a first bar-shaped groove 131 is disposed on each of the left and right sides of the first guide base 13, and the first bar-shaped groove 131 penetrates through the front and rear sides of the first guide base 13, wherein the first sliding component 14 is embedded in the first bar-shaped groove 131, and is used as a guide groove when the first sliding component 14 is installed.
In a preferred embodiment, as shown in fig. 1, 2 and 3, the first sliding assembly 14 includes a first sliding rail 141 and a first sliding block 142, wherein the first sliding rail 141 is embedded in the first bar-shaped groove 131 and is fixed on the first guiding base plate 13 by a threaded fastener, and the rear end of the first sliding rail 141 is flush with the rear end of the first guiding base plate 13, and the front end of the first sliding rail 141 is retracted backward relative to the front end of the first guiding base plate 13; one side of the first slider 142 is clamped on the first slide rail 141, and the other side of the first slider 142 is connected with the first guide plate 15, so that the first guide plate 15 translates on the first slide rail 141 through the first slider 142.
Fig. 6 is a schematic structural view of a safety bar 3 in an embodiment of an assembling device for a safety intravenous needle medical accessory of the present invention; in a preferred embodiment, as shown in fig. 6, a plurality of square slots 31 are provided along the length direction of the safety bar 3 as insertion holes of the sliding sleeve.
FIG. 8 is an enlarged view of a portion C of FIG. 7; in a preferred embodiment, as shown in fig. 7 and 8, a plurality of first fixing holes 151 are formed on one side of the first guide plate 15 and are divided into two groups which are bilaterally symmetrical, each group of the first fixing holes 151 is four, each group of the first fixing holes 151 is square, a plurality of first guide slots 152 are uniformly formed in an array along the length direction of the other side of the first guide plate 15 as connecting holes between the first guide plate 15 and the first sliding block 142, and the center distance between two adjacent first guide slots 152 is equal to the center distance between two adjacent square slots 31 on the safety jig bar 3.
FIG. 5 is an enlarged view of a portion B of FIG. 4; in a preferred embodiment, as shown in fig. 5 and 8, the first guide slot 152 is horn-shaped and has a large opening facing upwards, wherein the first guide slot 152 includes a first fan-shaped conical arc surface 1521 and a square groove 1522, and the first fan-shaped conical arc surface 1521 is integrally formed with the square groove 1522, and the square groove 1522 is matched with the square side surface of the sliding sleeve; the first sector conical arc surface 1521 serves as a guide surface for the needle hub when inserted into the sliding sleeve.
FIG. 9 is a schematic view of a second guide mechanism in an embodiment of an assembly device for a safety intravenous needle medical accessory of the present invention; in a preferred embodiment, as shown in fig. 2 and 9, the second guide mechanism 2 includes: two second bottom plates 21, four second upright posts 22, a second guide bottom plate 23, two second sliding assemblies 24, a guide support bottom plate 25, a guide support plate 26, a second guide plate 27 and a second cylinder 28.
Specifically, two second bottom plates 21 are respectively located at the left and right sides of the second guiding mechanism 2; the four second upright posts 22 are divided into two groups, the number of each group of the second upright posts 22 is two, the two groups of the second upright posts are respectively positioned at the front end and the rear end of the second bottom plate 21, one end of each of the four second upright posts 22 is connected with the second bottom plate 21, and the other end of each of the four second upright posts 22 is connected with the second guide bottom plate 23 to serve as a support of the second guide mechanism 2; the two second sliding components 24 are symmetrically arranged at the left side and the right side of the second guide bottom plate 23; the left end and the right end of the guide support bottom plate 25 are respectively connected with a second sliding component 24, and relative movement between the guide support bottom plate 25 and the second guide bottom plate 23 is realized through the sliding components; one end of the guide support plate 26 is connected with the guide support bottom plate 25, the other end of the guide support bottom plate is connected with the second guide plate 27, and the guide support bottom plate 25 is parallel to the second guide plate 27, wherein the guide support bottom plate 25, the guide support plate 26 and the second guide plate 27 form a C-shaped mechanism; the piston rod end of the second cylinder 28 is connected with the guide support base plate 25 through a second cylinder connecting block 29, the cylinder body of the second cylinder 28 is fixed on the second guide base plate 23 through a second cylinder base plate 20, the second cylinder 28 is connected with an external air source, and the second cylinder 28 pushes the guide support base plate 25 to move back and forth on the second sliding component 24 so as to drive the second guide plate 27 to move back and forth.
In a preferred embodiment, as shown in fig. 9, a second bar-shaped groove 231 is disposed on each of the left and right sides of the second guiding base plate 23, and the second bar-shaped groove 231 penetrates through the front and rear sides of the second guiding base plate 23, wherein the second sliding component 24 is embedded in the second bar-shaped groove 231 and is used as a guiding groove when the first sliding component 14 is installed.
FIG. 10 is an enlarged view of a portion D of FIG. 9; in a preferred embodiment, as shown in fig. 3, 9 and 10, the second sliding assembly 24 includes a second sliding rail 241 and a second sliding block 242, wherein the second sliding rail 241 is embedded in the second bar-shaped groove 231 and is fixed on the second guide bottom plate 23 by a threaded fastener, and the rear end of the second sliding rail 241 is flush with the rear end of the second guide bottom plate 23, and the front end of the second sliding rail 241 is retracted backward relative to the front end of the second guide bottom plate 23; one side of the second slider 242 is clamped on the second slide rail 241, and the other side of the second slider 242 is connected to the guiding support base plate 25, so that the guiding support base plate 25 translates on the first slide rail 141 through the first slider 142.
In a preferred embodiment, as shown in fig. 9 and 10, a plurality of second guide slots 271 are uniformly arranged in an array along the length direction of one side of the second guide 27, and the center distance between two adjacent second guide slots 271 is equal to the center distance between two adjacent square slots 31 on the safety bar 3, and a plurality of second fixing holes 272 are arranged in an array along the length direction of the other side of the second guide 27 as connecting holes between the second guide 27 and the guide support 26.
In a preferred embodiment, as shown in fig. 9 and 10, the second guiding slot 271 is in a horn shape with a large opening facing upwards, wherein the second guiding slot 271 comprises a second fan-shaped conical arc surface 2711 and a circular groove 2712, and the second fan-shaped conical arc surface 2711 is integrally formed with the circular groove 2712, and the circular groove 2712 is matched with the circular arc side surface of the sliding sleeve; the second circular cone arc surface 2711 serves as a guide surface when the needle stand is inserted into the sliding sleeve.
In a preferred embodiment, as shown in fig. 9, each of the left and right sides of the guide sub-base 25 is provided with a plurality of third fixing holes 251, and the third fixing holes 251 on the left and right sides are spliced to form a square shape as a connecting hole between the guide sub-base 25 and the second slider 242.
Fig. 11 is a top view in use of an embodiment of an assembly device for a safety intravenous needle medical accessory, fig. 12 is an enlarged partial view of section E of fig. 11; when the first guide plate 15 and the second guide plate 27 move in opposite directions under the action of the first cylinder 16 and the second cylinder 28, respectively, the first fan-shaped conical arc surface 1521 in the first guide slot 152 is spliced with the second fan-shaped conical arc surface 2711 in the second guide slot 271 to form a kidney-drum-shaped conical slot as a guide surface when the needle stand is inserted into the sliding sleeve.
In a preferred embodiment, as shown in fig. 7 and 9, the first fixing hole 151, the second fixing hole 272 and the third fixing hole 251 are counter bored, so that after the first guide plate 15 where the first fixing hole 151 is located, the second guide plate 27 where the second fixing hole 272 is located and the guide support base 25 where the third fixing hole 251 is located are correspondingly connected, their surfaces are smooth and flat.
In the following, a specific embodiment is described, and it should be noted that the structures, processes, and materials described in the following embodiments are only used to illustrate the feasibility of the embodiments, and are not intended to limit the scope of the invention.
Working principle of assembly device of safety intravenous needle medical accessories: when assembling the needle stand and the sliding sleeve, firstly, the sliding sleeve is inserted into the square slot hole 31 of the safety jig strip 3, and the safety jig strip 3 is transmitted between the first guide mechanism 1 and the second guide mechanism 2 along with the assembly line; the first guide plate 15 and the second guide plate 27 move oppositely under the action of the first air cylinder 16 and the second air cylinder 28 respectively, so that a first fan-shaped conical cambered surface 1521 in the first guide slotted hole 152 is spliced with a second fan-shaped conical cambered surface 2711 in the second guide slotted hole 271, a square groove 1522 in the first guide slotted hole 152 and a circular groove 2712 in the second guide slotted hole 271 clamp the front side surface and the rear side surface of the sliding sleeve respectively, and the upper end surface of the sliding sleeve is level with the lower end surface of the fan-shaped conical cambered surface; then the needle seat is moved to the position right above the sliding sleeve through a feeding mechanism of the needle seat; and finally, the needle seat moves downwards, is smoothly inserted into the sliding sleeve under the guiding action of the sector conical cambered surface, and completes the assembly of the needle seat and the sliding sleeve.
The assembly device provided in this embodiment splices the first guide slot 152 on the first guide plate 15 in the first guide mechanism 1 and the second guide slot 271 on the second guide plate 27 in the second guide mechanism 2 to form a closed guide slot, which is used as a guide surface when the needle stand is inserted into the sliding sleeve, so that the hole-axis matching between the needle stand and the sliding sleeve is easy to realize, and the assembly is accurate.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (10)
1. An assembly device for a safety intravenous needle medical accessory, characterized in that: comprising the following steps: a first guide mechanism and a second guide mechanism; the first guide mechanism and the second guide mechanism are both arranged on a flow line for assembling medical accessories, the first guide mechanism and the second guide mechanism are arranged oppositely, the upper end of the first guide mechanism is flush with the upper end of the second guide mechanism, and the lower end of the first guide mechanism is higher than the lower end of the second guide mechanism;
the first guide mechanism comprises a first guide plate, and a plurality of first guide slots are uniformly arranged in an array along the length direction of one side of the first guide plate; the second guide mechanism comprises a second guide plate, a plurality of second guide slots are uniformly arranged in an array along the length direction of one side of the second guide plate, the first guide slots and the second guide slots are oppositely arranged and correspond to each other one by one, and when the first guide slots and the second guide slots are spliced, a closed guide hole is formed and used as a guide surface when the needle seat is inserted into the sliding sleeve.
2. The fitting arrangement according to claim 1, characterized in that: the first guide slot hole is horn-shaped, and large caliber is upwards, and comprises a first fan-shaped conical cambered surface and a square groove, wherein the first fan-shaped conical cambered surface and the square groove are integrally formed, and the square groove is matched with the square side face of the sliding sleeve.
3. The fitting arrangement according to claim 1, characterized in that: the second guide slot hole is horn-shaped, and is large in caliber upwards, and comprises a second fan-shaped conical cambered surface and a circular groove, wherein the second fan-shaped conical cambered surface and the circular groove are integrally formed, and the circular groove is matched with the circular side face of the sliding sleeve.
4. The fitting arrangement according to claim 1, characterized in that: the first guide mechanism includes:
a first bottom plate in a strip shape;
four first upright posts are distributed on each corner of the first bottom plate, one end of each first upright post is connected with the first bottom plate, and the other end of each first upright post is connected with a first guide bottom plate;
the two first sliding components are symmetrically arranged at the left side and the right side of the first guide bottom plate;
the piston rod end of the first cylinder is connected with the first guide plate through a first cylinder connecting block, the cylinder body of the first cylinder is fixed on the first guide bottom plate through a first cylinder base plate, and the first cylinder is connected with an external air source;
the two ends of the first guide plate are connected with the two first sliding assemblies.
5. The fitting arrangement according to claim 4, characterized in that: the left side and the right side of the first guide bottom plate are respectively provided with a first strip-shaped groove, the first strip-shaped grooves penetrate through the front side and the rear side of the first guide bottom plate, and the first sliding assembly is embedded in the first strip-shaped grooves.
6. The fitting arrangement according to claim 5, characterized in that: the first sliding assembly comprises a first sliding rail and a first sliding block, wherein the first sliding rail is embedded in the first strip-shaped groove and is fixed on the first guide bottom plate through a threaded fastener; one side of the first sliding block is clamped on the first sliding rail, and the other side of the first sliding block is connected with the first guide plate.
7. The fitting arrangement according to claim 1, characterized in that: the second guide mechanism includes:
the two second bottom plates are respectively positioned at the left side and the right side of the second guide mechanism;
four second upright posts are divided into two groups and are respectively positioned at the front end and the rear end of the second bottom plate; one end of the second upright post is connected with the second bottom plate, and the other end of the second upright post is connected with a second guide bottom plate;
the two second sliding components are symmetrically arranged at the left side and the right side of the second guide bottom plate;
the two ends of the guide support bottom plate are respectively connected with the second sliding component;
one end of the guide support plate is connected with the guide support bottom plate, and the other end of the guide support plate is connected with the second guide plate;
the piston rod end of the second cylinder is connected with the guide support bottom plate through a second cylinder connecting block, the cylinder body of the second cylinder is fixed on the second guide bottom plate through a second cylinder backing plate, and the second cylinder is connected with an external air source;
the guide support bottom plate is parallel to the second guide plate, and the guide support bottom plate, the guide support plate and the second guide plate form a C-shaped mechanism in section.
8. The fitting arrangement according to claim 7, characterized in that: the left side and the right side of the second guide bottom plate are respectively provided with a second strip-shaped groove, the second strip-shaped grooves penetrate through the front side and the rear side of the second guide bottom plate, and the second sliding assembly is embedded in the second strip-shaped grooves.
9. The fitting arrangement according to claim 8, characterized in that: the second sliding assembly comprises a second sliding rail and a second sliding block, wherein the second sliding rail is embedded in the second strip-shaped groove and is fixed on the second guide bottom plate through a threaded fastener; one side of the second sliding block is clamped on the second sliding rail, and the other side of the second sliding block is connected with the guide supporting bottom plate.
10. The fitting arrangement according to claim 7, characterized in that: the first fixing holes on the first guide plate, the second fixing holes on the second guide plate and the third fixing holes on the guide support bottom plate are counter bores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569684.6A CN106039541B (en) | 2016-07-20 | 2016-07-20 | Assembling device for medical accessories of safety intravenous needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569684.6A CN106039541B (en) | 2016-07-20 | 2016-07-20 | Assembling device for medical accessories of safety intravenous needle |
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| Publication Number | Publication Date |
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| CN106039541A CN106039541A (en) | 2016-10-26 |
| CN106039541B true CN106039541B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610569684.6A Active CN106039541B (en) | 2016-07-20 | 2016-07-20 | Assembling device for medical accessories of safety intravenous needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153670B (en) * | 2019-05-24 | 2023-12-15 | 江天云 | Connector cap assembly machine of infusion tube |
| CN112141691B (en) * | 2020-09-18 | 2022-02-01 | 深圳市芬能自动化设备有限公司 | Automatic plug-in mounting mechanism of heating wire |
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| CN201008686Y (en) * | 2007-03-16 | 2008-01-23 | 杭州圣合医疗器械成套有限公司 | Needle tubing machine of syringe for medical purpose |
| CN201253396Y (en) * | 2008-07-07 | 2009-06-10 | 王兴章 | Support ring of needle-stand sealing ring assembling device of safe self-destruction injection syringe |
| KR20140007155A (en) * | 2012-07-09 | 2014-01-17 | 세계정밀 주식회사 | Apparatus for asembling holder of syringe) |
| CN104524662A (en) * | 2014-12-31 | 2015-04-22 | 迈得医疗工业设备股份有限公司 | Feeding mechanism for medical needle base assembling |
| CN206261933U (en) * | 2016-07-20 | 2017-06-20 | 梁启明 | A kind of assembling device for safe vein pin medical accessory |
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| US20080183140A1 (en) * | 2006-11-29 | 2008-07-31 | West Pharmaceutical Services, Inc. | Syringe cartridge system |
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| CN201008686Y (en) * | 2007-03-16 | 2008-01-23 | 杭州圣合医疗器械成套有限公司 | Needle tubing machine of syringe for medical purpose |
| CN201253396Y (en) * | 2008-07-07 | 2009-06-10 | 王兴章 | Support ring of needle-stand sealing ring assembling device of safe self-destruction injection syringe |
| KR20140007155A (en) * | 2012-07-09 | 2014-01-17 | 세계정밀 주식회사 | Apparatus for asembling holder of syringe) |
| CN104524662A (en) * | 2014-12-31 | 2015-04-22 | 迈得医疗工业设备股份有限公司 | Feeding mechanism for medical needle base assembling |
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| CN106039541A (en) | 2016-10-26 |
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