CN115887834A - Automatic needle mounting system and method for medical injection needle - Google Patents

Abstract

The invention discloses an automatic needle mounting system for a medical injection needle, which aims to solve the problems of low automation degree of injection needle assembly and different blade surface angle orientations in the technical field of medical equipment. The needle conveying mechanism, the steering mechanism, the positioning mechanism and the narrowing mechanism are sequentially arranged from top to bottom.

Description

Automatic needle installing system and method for medical injection needle

Technical Field

The invention relates to the technical field of medical equipment, in particular to an automatic needle mounting system and method for a medical injection needle.

Background

In medical cosmetology, in order to ensure better and uniform absorption of drug injection, multiple needles, such as nine-needle injection needles, are commonly used for injection.

The existing nine-needle injection needle head needs to be subjected to the steps of screening the needle tube, transporting the needle tube, installing the needle tube, fixing the needle tube and the like, each step is realized through different structures, each process is completed, the next process can be completed only by transferring to another structure, the automation degree is low, the needle tube is easy to deviate in the transferring process, and the assembling precision of the needle tube is influenced

And the angle of the edge surface of the injection needle is difficult to control after the needle tube is installed, so that the angle of each edge surface of the injection needle faces to different directions, and when the injection needle is used, because the angles of the cut edge surfaces are different, the stress angles of the needle tubes to users are different, so that part of the needle tubes are easy to insert into a human body, and part of the needle tubes are difficult to insert into the human body, so that the pain of the human body is increased, and the injection needle is not beneficial to use.

Disclosure of Invention

The invention provides an automatic needle installing system for a medical injection needle, which aims to at least solve one of the technical problems in the prior art.

The technical scheme of the invention is an automatic needle mounting system for a medical injection needle, which comprises:

the needle conveying mechanism comprises an adsorption part and a guide block, wherein the guide block is provided with a guide hole, the guide hole is suitable for the diameter of a needle tube, the needle tube is arranged along the vertical direction, the adsorption part is provided with a plurality of first needle grooves, and the adsorption part is used for grabbing the needle tube and enabling the needle tube to be placed in the first needle grooves along the vertical direction;

the steering mechanism comprises a first power part, a first positioning plate and a second positioning plate, wherein the first positioning plate is provided with a first positioning rod, the second positioning plate is provided with a second positioning rod, the first power part is used for driving the first positioning plate and the second positioning plate to be close to or far away from each other, so that the outer wall of the first positioning rod and the outer wall of the second positioning rod can be abutted against the needle tube, and the needle tube can rotate around the axis of the needle tube;

the positioning mechanism comprises a tangent plane block and a second power part, the tangent plane block is provided with a guide surface, the guide surface is suitable for a blade surface of the needle tube, and the second power part is used for driving the tangent plane block to be close to or far away from the needle tube;

the needle retracting mechanism comprises a needle seat and a fourth power part, the needle seat is provided with a needle hole, and the fourth power part is used for driving the needle seat to be close to the needle tube so that the needle tube is inserted into the needle seat;

the dispensing mechanism comprises a dispensing device and a seventh power part, the dispensing device is arranged right above the positioning mechanism, and the seventh power part is used for driving the dispensing device to be close to or far away from the needle hole.

The needle conveying mechanism, the steering mechanism, the positioning mechanism and the narrowing mechanism are sequentially arranged from top to bottom.

The invention adopts the technical scheme that the use method of the automatic needle mounting system for the medical injection needle comprises the following steps:

the adsorption piece adsorbs the needle tube, and the needle tube is adsorbed in the first needle groove, so that the first needle groove is arranged along the vertical direction;

the second power part drives the noodle cutting block to be close to the lower part of the needle tube, so that the guide surface of the noodle cutting block is positioned right below the needle tube;

the suction force is reduced by the adsorption piece, the needle tube falls along the vertical direction due to the action of gravity, the lower end of the needle tube is abutted against the guide surface, and at least part of the structure of the needle tube is positioned on the adsorption piece;

the first power part drives the first positioning plate and the second positioning plate to be close to or far away from each other, so that the outer wall of the first positioning rod and the outer wall of the second positioning rod can be abutted against the needle tube, the needle tube rotates around the axis of the needle tube, the first positioning rod is abutted against the needle tube and continues to move, the needle tube rotates around the axis of the needle tube, and the blade surface of the needle tube is matched with the guide surface of the section block;

the first power part drives the first positioning plate to be far away from the needle tube, the adsorption part enhances the suction force to fix the needle tube on the adsorption part, and the first positioning plate and the tangent plane block reset;

the fourth power element drives the needle seat to approach the needle tube from bottom to top, so that the needle tube is inserted into the needle hole;

the adsorption piece stops working, and the fourth power piece drives the needle seat to be far away from the adsorption piece from top to bottom;

the sixth power part drives the adsorption part to be far away from the needle seat, the seventh power part drives the glue dispenser to move downwards, and glue is injected into the joint of the needle tube and the needle seat, so that the needle tube is fixed on the needle seat.

Further, the first positioning rod is rotatably arranged on the first positioning plate.

Further, the needle-moving mechanism further comprises:

the needle storage groove is used for storing needle tubes, and the base is provided with a plurality of through holes which are formed in the lower end of the needle storage groove;

the picking arm comprises a thimble piece, a fifth power piece and a sixth power piece, the thimble piece penetrates through the through hole, the first needle grooves correspond to the through hole one by one, the adsorption piece is rotatably arranged on the base, and the sixth power piece drives the adsorption piece to rotate around the base;

further comprising the steps of:

the sixth power part is used for driving the adsorption part to rotate to the upper part of the base;

a fifth power part drives the needle tube to be close to the adsorption part from bottom to top, so that the needle tube on the base is close to the adsorption part, and the needle tube is adsorbed on the first needle groove;

and the sixth power part is used for driving the adsorption part to rotate to the front of the base, so that the needle tube is arranged in the vertical direction.

Further, the adsorption piece is provided with a negative pressure hole which is communicated with a negative pressure fan, and the adsorption piece adsorbs the needle tube through the negative pressure fan.

Further, the glue dispenser is provided with a positioning plate, the positioning plate is arranged along the left and right directions and used for driving the needle tubes to move downwards, and the needle tubes are located at the same height.

Further, the needle conveying mechanism further comprises a guide block, the guide block is provided with a guide hole, and the guide hole is suitable for the diameter of the needle tube, so that the needle tube is arranged along the vertical direction.

Further, the upper end of guiding hole is suitable for the diameter of first needle groove, the lower extreme of guiding hole is suitable for the diameter of needle tubing, the guiding hole reduces from top to bottom gradually.

Further, the detection mechanism comprises an infrared detector which is used for detecting whether the needle tube is in place or not.

The beneficial effects of the invention are as follows.

The needle tube is arranged along the up-down direction through the adsorption piece of the needle conveying mechanism, the needle tube can drive the needle tube to vertically fall under the action of gravity, when the needle tube falls behind, the lower end of the needle tube is abutted to the tangent plane block, only when the blade face of the needle tube is just matched with the guide face of the tangent plane block, the needle tube is positioned at the lowest end and cannot rotate relative to the needle tube, when the blade face of the needle tube is not matched with the guide angle of the tangent plane block, the needle tube is positioned at a relatively upper position, the needle tube can rotate relative to the axis of the needle tube, when the first power piece of the steering mechanism drives the first positioning plate to be close to the needle tube, the first positioning rod can be abutted to the needle tube, due to the friction force between the first positioning rod and the needle tube, the needle tube can rotate relative to the needle tube, after the needle tube rotates to a certain angle, the needle tube continues to fall, the direction of the blade face of the needle tube is changed, and finally the blade face of the needle tube is matched with the guide angle of the tangent plane block, and the blade face of each needle tube can face towards the same direction; the needle tube is adsorbed on the first needle groove by the adsorption piece, and when the suction force of the adsorption piece is reduced, the needle tube can slide along the first needle groove; the plurality of needle tubes are arranged at the same time, so that the plurality of first positioning rods can drive the plurality of needle tubes to rotate at the same time, and the working efficiency is improved; the fourth power element drives the needle base to move along the up-down direction and the front-back direction, so that the needle base can enter the device along the front-back direction, and the needle tube is inserted into the needle base along the up-down direction; the seventh power part drives the glue dispenser to be close to the needle hole, and glue is injected to the joint of the needle tube and the needle hole, so that the needle tube is fixed on the needle seat; through the automatic needle mounting system, the needle tube can be automatically mounted on the needle base, and the blade surfaces of the needle tube can face to the same direction.

Drawings

Fig. 1 is a schematic view of the general structure of the left front of a medical needle blade angle adjustment assembly in accordance with an embodiment of the present invention;

fig. 2 is a schematic view of the general structure of the left rear side of the medical needle blade angle adjustment assembly according to the embodiment of the present invention;

FIG. 3 is a schematic view of a suction member according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a suction member according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a steering mechanism, a positioning mechanism, and a locking mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic view of a dispensing mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of a narrowing mechanism according to an embodiment of the invention;

FIG. 8 is a schematic view of a needle handling mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic view of section A of FIG. 8;

FIG. 10 is a schematic view of a needle cannula and a cutting block after engagement in accordance with an embodiment of the invention;

FIG. 11 is a schematic view of a steering mechanism driving rotation of a needle cannula in accordance with an embodiment of the present invention;

FIG. 12 is a schematic view of a dispensing state of the dispensing mechanism according to the embodiment of the present invention;

FIG. 13 is a view of the hub after the needle cannula has been mounted in accordance with an embodiment of the present invention.

Reference numerals:

the needle conveying mechanism 100, the adsorption piece 110, the first needle groove 111, the guide block 120, the guide hole 121, the base 130, the picking arm 140, the ejector pin 141, the fifth power piece 143 and the sixth power piece 144;

steering mechanism 200, first power piece 210, first positioning plate 220, first positioning rod 221, chamfer 221a. A second positioning plate 230, a second positioning rod 231;

the cutting device comprises a positioning mechanism 300, a section cutting block 310, a second power piece 320 and a guide surface 311;

the locking mechanism 400, the pressure plate 410, the convex block 411 and the third power piece 420;

the narrowing mechanism 500, the needle seat 510, the needle hole 511 and the fourth power piece 520;

the glue dispensing mechanism 600, the glue dispenser 610, the alignment plate 611, and the seventh power component 620.

Detailed Description

The following description will describe several embodiments of the present invention, including embodiments corresponding to the accompanying drawings, it being understood that the drawings are for assisting understanding of technical features and technical solutions of the present invention, and should not be construed as limiting the scope of the present invention.

The conception, the specific structure and the technical effects produced by the present invention will be clearly and completely described in conjunction with the embodiments and the attached drawings, so as to fully understand the objects, the schemes and the effects of the present invention. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that, unless otherwise specifically limited, when a feature is referred to as being "fixed," "connected," or "mounted" to another feature, it can be directly fixed, connected, or indirectly fixed, connected, or connected to the other feature, and the words "fixed," "connected," or "mounted" should be understood broadly, and those skilled in the art can reasonably determine the specific meaning of the words in the invention in combination with the details of the technical solutions.

It should be noted that the description of the orientation or positional relationship indicated by upper, lower, left, right, top, bottom, front, rear, inner, outer, etc. used in the present invention is based on the orientation or positional relationship of the drawings or embodiments, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that, as used herein, the term "and/or" includes any combination of one or more of the associated listed items, several means one or more, several means two or more, greater than, less than, more than, etc. are understood to exclude the present numbers, and greater than, less than, etc. are understood to include the present numbers.

It should be noted that, if the first, second, third, fourth, fifth, sixth and seventh technical features are described in the present invention, they are only used for distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.

It is to be understood that, unless otherwise specifically defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 13, a basic embodiment of a first aspect of the present invention provides an automatic needle mounting system for a medical injection needle, including:

the needle conveying mechanism 100 comprises an adsorption piece 110, the adsorption piece 110 is provided with a plurality of first needle grooves 111, and the adsorption piece 110 is used for grabbing needle tubes and enabling the needle tubes to be placed in the first needle grooves 111 in the up-down direction;

the steering mechanism 200 comprises a first power part 210 and a first positioning plate 220, the first positioning plate 220 is provided with a first positioning rod 221, the first power part 210 is used for driving the first positioning plate 220 to be close to the needle tube, so that the outer wall of the first positioning rod 221 can be abutted against the needle tube, and the needle tube can rotate around the axis of the needle tube;

the positioning mechanism 300 comprises a section 310 and a second power piece 320, the section 310 is provided with a guide surface 311, the guide surface 311 is suitable for the edge surface of the needle tube, and the second power piece 320 is used for driving the section 310 to be close to or far away from the needle tube;

the narrowing mechanism 500 comprises a needle seat 510 and a fourth power element 520, wherein the needle seat 510 is provided with a needle hole 511, and the fourth power element 520 is used for driving the needle seat 510 to be close to a needle tube so that the needle tube is inserted into the needle seat 510;

the dispensing mechanism 600 includes a dispenser 610 and a seventh power element 620, the dispenser 610 is disposed right above the positioning mechanism 300, and the seventh power element 620 is used for driving the dispenser 610 to approach or depart from the needle hole 511.

The needle transport mechanism 100, the steering mechanism 200, the positioning mechanism 300 and the narrowing mechanism 500 are sequentially arranged from top to bottom.

The basic embodiment of the second aspect of the invention provides a use method of an automatic needle mounting system for a medical injection needle, which comprises the following steps:

the adsorption member 110 adsorbs the needle tube, and adsorbs the needle tube to the first needle groove 111, so that the first needle groove 111 is arranged in the up-down direction;

the second power part 320 drives the noodle cutting block 310 to be close to the lower part of the needle tube, so that the guide surface 311 of the noodle cutting block 310 is positioned right below the needle tube;

the suction force of the adsorption part 110 is reduced, the needle tube falls along the vertical direction due to the action of gravity, the lower end of the needle tube is abutted against the guide surface 311, and at least part of the structure of the needle tube is positioned on the adsorption part 110;

the first power component 210 drives the first positioning plate 220 and the second positioning plate 230 to approach or separate from each other, so that the outer walls of the first positioning rod 221 and the second positioning rod 231 can be abutted to the needle tube, the needle tube rotates around the axis of the needle tube, the first positioning rod 221 is abutted to the needle tube and continues to move, and the needle tube rotates around the axis of the needle tube until the blade surface of the needle tube is matched with the guide surface 311 of the section block 310;

the first power element 210 drives the first positioning plate 220 to be far away from the needle tube, the absorption element 110 enhances the suction force, so that the needle tube is fixed on the absorption element 110, and the first positioning plate 220 and the tangent plane block 310 are reset;

the fourth power element 520 drives the needle seat 510 to approach the needle tube from bottom to top, so that the needle tube is inserted into the needle hole 511;

when the adsorption element 110 stops working, the fourth power element 520 drives the needle base 510 to move away from the adsorption element 110 from top to bottom;

the sixth power element 144 drives the absorbing element 110 to move away from the needle holder 510, and the seventh power element 620 drives the glue dispenser 610 to move downward, so as to inject glue into the joint between the needle tube and the needle holder 510, thereby fixing the needle tube on the needle holder 510.

According to the automatic needle installing system for the medical injection needle of the basic embodiment of the first aspect of the invention, the needle tube is arranged in the up-down direction through the adsorption piece 110 of the needle conveying mechanism 100, the needle tube can be driven by gravity to vertically fall, when the needle tube falls, the lower end of the needle tube is abutted to the tangent plane block 310, only when the blade surface of the needle tube is just matched with the guide surface 311 of the tangent plane block 310, the needle tube is positioned at the lowest end and cannot rotate relative to the needle tube, when the blade surface of the needle tube is not matched with the guide angle of the tangent plane block 310, the needle tube is positioned at a relatively upper position, meanwhile, the needle tube can rotate relative to the axis of the needle tube, when the first power piece 210 of the steering mechanism 200 drives the first positioning plate 220 to be close to the needle tube, the first positioning rod 221 can be abutted to the needle tube, due to the friction force between the first positioning rod 221 and the needle tube, the needle tube can rotate relative to the needle tube, after the needle tube rotates to a certain angle, the needle tube blade surface continues to fall, the direction of the needle tube changes, and finally, the blade surface of each needle tube can be matched with the angle of the guide angle of the tangent plane block 310; the suction piece 110 sucks the needle tube in the first needle slot 111, and when the suction force of the suction piece 110 is reduced, the needle tube can slide along the first needle slot 111; a plurality of needle tubes are arranged at the same time, so that the first positioning rods 221 can drive the needle tubes to rotate at the same time, and the working efficiency is improved; the fourth power member 520 drives the needle holder 510 to move up and down and back and forth, so that the needle holder 510 can enter the device in the back and forth direction, and then the needle tube is inserted into the needle holder 510 in the up and down direction; the seventh power element 620 drives the glue dispenser 610 to approach the needle hole 511, and the glue is injected to the joint of the needle tube and the needle hole 511, so that the needle tube is fixed on the needle seat 510; by means of the automatic needle mounting system, the needle tube can be automatically mounted on the needle seat 510, and the blade surfaces of the needle tube can face to the same direction.

It is understood that the first power member 210 is a lead screw or a telescopic cylinder, and the second power member 320 is a lead screw or a telescopic cylinder.

In some embodiments, the steering mechanism 200 further includes a second positioning plate 230, the second positioning plate 230 is provided with a second positioning rod 231, and the first power element 210 is configured to drive the first positioning plate 220 and the second positioning plate 230 to move toward or away from each other, so that the outer wall of the first positioning rod 221 and the outer wall of the second positioning rod 231 can abut against the needle tube, thereby rotating the needle tube about its axis. First positioning plate 220 and second positioning plate 230 are close to each other, and first positioning plate 220 and second positioning plate 230 are located the both sides of needle tubing respectively, make first positioning plate 220 and second positioning plate 230 butt the both sides of needle tubing respectively, improve the frictional force of horizontal direction between needle tubing and the positioning rod, make the needle tubing effectively rotate, prevent that the needle tubing is too smooth or fine to be difficult to rotate.

In some embodiments, the top end of the first positioning rod 221 is provided with a chamfer 221a. The chamfer 221a arranged at the top end of the first positioning rod 221 can reduce the diameter of the top end of the first positioning rod 221, and when the first positioning rod 221 passes through the needle tube, the first positioning rod 221 is not obstructed, so that the first positioning rod 221 can be inserted into the needle tube; the second positioning rod 231 has the same function.

In some embodiments, the first positioning rod 221 is a cylindrical structure, and the first positioning rod 221 and the needle tube are perpendicular to each other. The first positioning rod 221 and the needle tube are both cylindrical structures, and point-to-point contact is formed between the first positioning rod 221 and the needle tube, so that the situation that the needle tube cannot fall onto the tangent plane block 310 along the vertical direction due to excessive friction force between the first positioning rod 221 and the needle tube in the vertical direction is prevented.

In some embodiments, the first power member 210 is a bidirectional screw capable of simultaneously driving the first positioning plate 220 and the second positioning plate 230 to move toward or away from each other. The bidirectional screw rod is a left-right screw rod, one part of the screw thread of the screw rod is left-handed, the other part of the screw thread is right-handed, the screw rod rotates towards one direction, two nuts on the screw thread are separated or closed towards two ends, and when the screw rod rotates towards the opposite direction, the two nuts are closed or separated. The bidirectional screw rod drives the first positioning plate 220 and the second positioning plate 230 simultaneously, so that the first positioning plate 220 and the second positioning plate 230 have the same movement speed and opposite directions, and the first positioning rod 221 and the second positioning rod 231 have the same movement speed, which is beneficial for the first positioning rod 221 and the second positioning plate 230 to drive the needle tube to rotate; the screw rod has high transmission efficiency and accurate positioning, and is favorable for the needle tube to rotate to a corresponding angle.

In some embodiments, the first positioning rod 221 is rotatably disposed on the first positioning plate 220. The first positioning rod 221 can rotate around its own axis, and when the needle tube falls, the first positioning rod 221 rotates along with the needle tube, so that the lower end of the needle tube can be kept in a state of abutting against the tangent block 310. The second positioning rod 231 has the same structure as the first positioning rod 221.

In some embodiments, the surface of the first and/or second indexing bars 221, 231 is provided with a friction layer for abutting the needle cannula. The friction layer is made of rubber-based friction materials, paper-based friction materials, resin-based friction materials, carbon fiber friction materials or semi-metal friction materials.

In some embodiments, a locking mechanism 400 is also included, the locking mechanism 400 including:

a platen 410;

and a third power member 420. And drives the pressing plate 410 to approach the suction member 110 from the rear to the front, so that the needle tube is fixed to the suction member 110.

With this arrangement, when the section block 310 and the first positioning rod 221 are away from the needle tube, the needle tube may fall vertically due to gravity greater than the suction force of the suction member 110, and the needle tube is fixed on the suction member 110 by the pressing plate 410 abutting against the suction member 110.

In some embodiments, the pressing plate 410 is provided with a protrusion 411, the protrusion 411 is adapted to the first slot 111, and the protrusion 411 can abut against the needle tube to fix the needle tube on the suction member 110. The protrusion 411 can penetrate into the first slot 111, so that the protrusion 411 is abutted to the needle tube, and the protrusion 411 is fully contacted with the needle tube, thereby improving the stability of the needle tube.

In some embodiments, the protrusion 411 is made of an elastic material such as rubber, silicon, etc., and the needle tube is pressed by the protrusion 411, so that the protrusion 411 is deformed under a force to fix the needle tube on the suction member 110.

In some embodiments, the needle-moving mechanism 100 further comprises a guide block 120, the guide block 120 is provided with a guide hole 121, and the guide hole 121 is adapted to the diameter of the needle tube, so that the needle tube is arranged in the up-and-down direction. The inner diameter of the first needle groove 111 is larger than the diameter of the needle tube, and the needle tube can pass through the guide hole 121 and then perform other operations, so that the needle tube is prevented from being deviated in the rotating process, and the installation of the needle tube is prevented from being influenced.

In some embodiments, the formed round edge of the lower end of the guide hole 121 is inscribed in the formed round edge of the first needle slot 111, it is understood that the lower end of the guide hole 121 is not in the same plane as the first needle slot 111 when viewed from the front, rear, or left-right direction, but the lower end of the guide hole 121 is inscribed in the first needle slot 111 when viewed from the up-down direction, so that the needle tube can move along the first needle slot 111 all the time along the guide hole 121, and the needle tube can keep moving linearly in the up-down direction without changing direction, thereby preventing the needle tube from being deviated.

In some embodiments, the upper end of the guiding hole 121 is adapted to the diameter of the first needle groove 111, the lower end of the guiding hole 121 is adapted to the diameter of the needle tube, and the guiding hole 121 is gradually reduced from top to bottom. The inner diameter of the first needle groove 111 is larger than the diameter of the needle tube, and the needle tube can pass through the guide hole 121 and then perform other operations, so that the needle tube is prevented from being deviated in the rotating process, and the installation of the needle tube is prevented from being influenced.

In some embodiments, a retracting mechanism 500 is further included, where retracting mechanism 500 includes a needle hub 510 and a fourth motive element 520, where needle hub 510 is provided with a needle aperture 511, and fourth motive element 520 is used to drive needle hub 510 to approach the needle tube, so that the needle tube is inserted into needle hub 510. Fourth power element 520 drives hub 510 in an up-down and forward-backward direction to allow hub 510 to enter the device in a forward-backward direction, and then allows the needle cannula to be inserted into hub 510 in an up-down direction.

It is understood that the fourth power member 520 is a combination of two guide rails, and may also be a combination of two telescopic cylinders.

In some embodiments, the dispensing mechanism 600 further includes a dispensing mechanism 600, the dispensing mechanism 600 includes a dispenser 610 and a seventh power member 620, the dispenser 610 is disposed right above the positioning mechanism 300, and the seventh power member 620 is configured to drive the dispenser 610 to move closer to or away from the needle hole 511. The seventh power element 620 drives the glue dispenser 610 to approach the needle hole 511 and injects glue into the joint of the needle tube and the needle hole 511, so that the needle tube is fixed on the needle seat 510.

In some embodiments, the dispensing device 610 has an alignment plate 611, the alignment plate 611 is disposed along the left-right direction, and the alignment plate 611 is used to drive the needle tubes to move downward, so that the needle tubes are located at the same height. The seventh power element 620 drives the dispenser 610 to press down, and at the same time drives the pressing plate 410 to move downward, so as to drive the needle tubes to move downward at the same time, thereby ensuring the consistent heights of the needle tubes.

In some embodiments, a detection mechanism is also included, the detection mechanism including an infrared detector for detecting whether the syringe is in place. The infrared detector can emit infrared rays, when the needle tube is completely matched with the section block 310, the needle tube is positioned at the lowest point, the infrared rays irradiate the position of the lowest point, and whether the needle tube is in place is judged according to whether the needle tube is at the position.

In some embodiments, the suction member 110 is provided with a negative pressure hole, the negative pressure hole is provided in the first needle groove 111, and the negative pressure hole is communicated with a negative pressure fan. The suction hole is fixed in the first needle groove 111 by the negative pressure fan, which facilitates the transfer of the needle tube by the suction member 110.

In some embodiments, the absorption member 110 is provided with an electromagnet, and the absorption effect of the absorption member 110 can be controlled by controlling the power on/off or adjusting the power.

In some embodiments, the needle-handling mechanism 100 further comprises:

the base 130 is provided with a needle storage groove used for storing the needle tubes, and the base 130 is provided with a plurality of through holes which are arranged at the lower end of the needle storage groove;

the pick-up arm 140 includes a thimble member 141, the adsorption member 110, a fifth power member 143, and a sixth power member 144, the thimble member 141 passes through the through hole, the adsorption member 110 has a plurality of first needle grooves 111, the first needle grooves 111 correspond to the through hole one to one, the adsorption member 110 is rotatably disposed on the base 130, the sixth power member 144 drives the adsorption member 110 to rotate around the base 130, the sixth power member 144 is used for driving the adsorption member 110 to rotate to the upper side of the base 130, the fifth power member 143 drives the thimble member 141 to be close to the adsorption member 110 from bottom to top, so that the needle tube on the base 130 is close to the adsorption member 110, and further the needle tube is adsorbed on the first needle groove 111.

Under the arrangement, a large number of needle tubes are stored through the base 130, the thimble 141 moves from bottom to top, so that the thimble 141 penetrates through the large number of needle tubes, in the process of rising, one of the needle tubes is just left at the upper end of the thimble 141, the other needle tubes are left in the needle storage groove, the sixth power element 144 drives the adsorption element 110 to rotate to the upper part of the base 130, the thimble 141 moves the needle tubes to the adsorption element 110, and the adsorption element 110 adsorbs the needle tubes on the first needle groove 111; the fifth power element 143 drives the adsorption element 110 to rotate to the front of the base 130, so that the needle tube is arranged in the vertical direction; the whole process of picking up and collecting of needle tubing does not need the manual work to operate, can handle many needle tubing simultaneously moreover, effectively improves production efficiency, guarantees staff's security.

It will be appreciated that the first slot 111 has a concave configuration to allow the needle cannula to extend into the first slot 111, and the first slot 111 may be a v-shaped slot, an arc-shaped slot, or a square slot.

It can be understood that the first needle slot 111 is disposed on a surface of the suction member 110 close to the base 130, when the second power member 320 drives the suction member 110 to rotate above the base 130, the first needle slot 111 faces downward, and when the second power member drives the suction member 110 to rotate in front of the base 130, the first needle slot 111 faces rearward.

In some embodiments, the ejector pin 141 includes a plurality of ejector pins, and the ejector pins pass through the corresponding through holes. The plurality of ejector pins are arranged along the up-down direction, the first power element 210 drives the ejector pin element 141 to move upwards, and can drive the plurality of ejector pins to move simultaneously, so that each ejector pin can pick up one of the needle tubes.

In some embodiments, the upper end of the top stitch is provided with a third needle groove for cooperating with the needle tube. The appearance of the third needle groove is just matched with the needle tubes, the upper ends of the ejector pins can penetrate through the needle storage grooves storing a large number of needle tubes in the stroke of the ejector pins from bottom to top, only one needle tube can be installed on the third needle groove in the stroke, and the rest needle tubes are left in the needle storage grooves, so that each ejector pin is guaranteed to pick up only one needle tube.

In some embodiments, the left and right ends of the first slot 111 are respectively provided with a first inclined surface and a second inclined surface, and the first inclined surface and the second inclined surface are used for separating the redundant needle tubes from the ejector pin 141. Only one of the needle tubes can be mounted on the third needle groove, and the other needle tubes slide along the first inclined surface and the second inclined surface, so that each ejector pin can pick up only one needle tube.

It is noted that terms such as "one embodiment," "some embodiments," "base embodiment," "extended embodiment," and the like may be used herein to describe various embodiments of the invention, and that particular features, structures, materials, or characteristics of the various embodiments may be combined while remaining within the spirit and scope of the invention.

Although a part of the embodiments of the present invention has been shown and described in the present specification, the present invention should not be limited to the above-described embodiments, and variations, modifications, equivalents and equivalent modifications of the embodiments without departing from the spirit and the spirit of the present invention should be included in the scope of the present disclosure, and they should be considered as falling within the scope of the present invention, as long as the technical effects of the present invention are achieved by the same or equivalent means.

Claims (10)

1. An automatic needle mounting system for medical injection needles, comprising:

the needle conveying mechanism (100) comprises an adsorption part (110) and a guide block (120), wherein the guide block (120) is provided with a guide hole (121), the guide hole (121) is suitable for the diameter of a needle tube, the needle tube is arranged along the vertical direction, the adsorption part (110) is provided with a plurality of first needle grooves (111), and the adsorption part (110) is used for grabbing the needle tube and enabling the needle tube to be placed in the first needle grooves (111) along the vertical direction;

the steering mechanism (200) comprises a first power part (210), a first positioning plate (220) and a second positioning plate (230), wherein the first positioning plate (220) is provided with a first positioning rod (221), the second positioning plate (230) is provided with a second positioning rod (231), and the first power part (210) is used for driving the first positioning plate (220) and the second positioning plate (230) to be close to or far away from each other, so that the outer wall of the first positioning rod (221) and the outer wall of the second positioning rod (231) can be abutted to the needle tube, and the needle tube can rotate around the axis of the needle tube;

the positioning mechanism (300) comprises a dough cutting block (310) and a second power piece (320), the dough cutting block (310) is provided with a guide surface (311), the guide surface (311) is suitable for the blade surface of the needle tube, and the second power piece (320) is used for driving the dough cutting block (310) to be close to or far away from the needle tube;

the narrowing mechanism (500) comprises a needle seat (510) and a fourth power piece (520), wherein the needle seat (510) is provided with a needle hole (511), and the fourth power piece (520) is used for driving the needle seat (510) to be close to the needle tube so that the needle tube is inserted into the needle seat (510);

the dispensing mechanism (600) comprises a dispenser (610) and a seventh power part (620), the dispenser (610) is arranged right above the positioning mechanism (300), and the seventh power part (620) is used for driving the dispenser (610) to be close to or far away from the needle hole (511).

The needle conveying mechanism (100), the steering mechanism (200), the positioning mechanism (300) and the narrowing mechanism (500) are sequentially arranged from top to bottom.

2. A method for using an automatic needle installing system for medical injection needles, which is applied to the automatic needle installing system for medical injection needles according to claim 1, and which comprises the following steps:

the adsorption piece (110) adsorbs the needle tube, and the needle tube is adsorbed in the first needle groove (111) so that the first needle groove (111) is arranged along the vertical direction;

the second power piece (320) drives the section block (310) to be close to the lower part of the needle tube, so that the guide surface (311) of the section block (310) is positioned right below the needle tube;

the suction force is reduced by the adsorption piece (110), the needle tube falls along the vertical direction due to the action of gravity, the lower end of the needle tube is abutted against the guide surface (311), and at least part of the structure of the needle tube is positioned on the adsorption piece (110);

the first power part (210) drives the first positioning plate (220) and the second positioning plate (230) to approach or separate from each other, so that the outer wall of the first positioning rod (221) and the outer wall of the second positioning rod (231) can be abutted with the needle tube, the needle tube further rotates around the axis of the needle tube, the first positioning rod (221) is abutted with the needle tube and continues to move, and the needle tube rotates around the axis of the needle tube until the blade surface of the needle tube is matched with the guide surface (311) of the tangent plane block (310);

the first power part (210) drives the first positioning plate (220) to be far away from the needle tube, the suction force of the adsorption part (110) is enhanced, the needle tube is fixed on the adsorption part (110), and the first positioning plate (220) and the tangent plane block (310) reset;

the fourth power element (520) drives the needle seat (510) to be close to the needle tube from bottom to top, so that the needle tube is inserted into the needle hole (511);

the adsorption piece (110) stops working, and the fourth power piece (520) drives the needle seat (510) to be far away from the adsorption piece (110) from top to bottom;

the sixth power part (144) drives the adsorption part (110) to be far away from the needle seat (510), the seventh power part (620) drives the glue dispenser (610) to move downwards, glue is injected into the joint of the needle tube and the needle seat (510), and the needle tube is fixed on the needle seat (510).

3. A method for using a medical injection needle automatic needle installing system according to claim 2, wherein the first positioning lever (221) is rotatably provided to the first positioning plate (220).

4. Use of an automatic needle loading system for medical injection needles according to claim 2, characterized in that the needle handling mechanism (100) further comprises:

the needle storage device comprises a base (130) and a plurality of clamping pieces, wherein the base (130) is provided with a needle storage groove, the needle storage groove is used for storing a needle tube, and the base (130) is provided with a plurality of through holes which are arranged at the lower end of the needle storage groove;

the picking arm (140) comprises a thimble piece (141), a fifth power piece (143) and a sixth power piece (144), the thimble piece (141) penetrates through the through hole, the first needle grooves (111) correspond to the through hole in a one-to-one mode, the adsorption piece (110) is rotatably arranged on the base (130), and the sixth power piece (144) drives the adsorption piece (110) to rotate around the base (130);

the using method also comprises the following steps:

the sixth power part (144) is used for driving the adsorption part (110) to rotate above the base (130);

a fifth power part (143) drives the needle tube to approach the adsorption part (110) from bottom to top, so that the needle tube on the base (130) approaches the adsorption part (110), and the needle tube is adsorbed on the first needle groove (111);

the sixth power element (144) is used for driving the adsorption element (110) to rotate to the front of the base (130), so that the needle tube is arranged in the vertical direction.

5. The use method of the automatic needle installing system for the medical injection needle according to claim 2, wherein the suction member (110) is provided with a negative pressure hole, the negative pressure hole is communicated with a negative pressure fan, and the suction member (110) sucks the needle tube through the negative pressure fan.

6. The use method of the automatic needle installing system for medical injection needle according to claim 2, wherein the glue dispenser (610) is provided with an aligning plate (611), the aligning plate (611) is arranged in left and right direction, the aligning plate (611) is used for driving the needle tubes to move downwards, so that the plurality of needle tubes are located at the same height.

7. A method of using a medical injection needle automatic needle installing system according to claim 2, further comprising a locking mechanism (400), the locking mechanism (400) comprising:

a platen (410);

and the third power part (420) is used for driving the pressing plate (410) to be close to the adsorption part (110) from back to front so that the needle tube is fixed on the adsorption part (110).

8. A method for using an automatic needle mounting system for medical injection needles according to claim 2, characterized in that the upper end of the guide hole (121) is adapted to the diameter of the first needle groove (111), the lower end of the guide hole (121) is adapted to the diameter of the needle tube, and the guide hole (121) is gradually reduced from top to bottom.

9. The method for using an automatic needle installing system for medical injection needle according to claim 2, further comprising a detecting means including an infrared detector for detecting whether the needle tube is in place.

10. A method for using an automatic needle mounting system for medical injection needles according to claim 2, wherein the first positioning rod (221) has a cylindrical structure, and the first positioning rod (221) and the needle tube are perpendicular to each other.

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