CN219539124U - Medical injection needle blade angle adjustment assembly - Google Patents

Abstract

The utility model discloses a medical injection needle blade angle adjusting assembly for solving the problem of different angles of injection needle blade surfaces in the technical field of medical equipment, which comprises a needle conveying mechanism, wherein the needle conveying mechanism comprises an adsorption piece, the adsorption piece is provided with a plurality of first needle grooves, and the adsorption piece is used for grabbing needle tubes and enabling the needle tubes to be placed in the first needle grooves along the up-down direction; the steering mechanism comprises a first power piece and a first positioning plate, the first positioning plate is provided with a first positioning rod, and the first power piece is used for driving the first positioning plate to be close to the needle tube, so that the outer wall of the first positioning rod can be abutted with 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 piece, the tangent plane block is provided with a guide surface, the guide surface is suitable for the edge surface of the needle tube, and the second power piece is used for driving the tangent plane block to be close to or far away from the needle tube; the needle conveying mechanism, the steering mechanism and the positioning mechanism are sequentially arranged from top to bottom.

Description

Medical injection needle blade angle adjustment assembly

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medical injection needle blade angle adjusting assembly.

Background

In medical cosmetology, in order to ensure that the medicine is better and uniformly absorbed during injection, a multi-needle, such as a nine-needle injection needle, is usually adopted.

However, the existing nine-needle injection needle is thin in needle tube and small in gap between needle tubes, so that the angle of the needle blade faces is difficult to control after the needle tubes are installed, the angle of each needle blade face faces different directions, and when the nine-needle injection needle is used, the stress angles of each needle tube to a user are different due to the fact that the angle of the incision blade faces are different, and then part of needle tubes are easy to insert into a human body, part of needle tubes are difficult to insert into the human body, pain of the human body is increased, and the nine-needle injection needle is unfavorable to use.

Disclosure of Invention

The utility model provides a medical injection needle blade face angle adjusting assembly, which aims at solving at least one of the technical problems existing in the prior art.

The technical scheme of the utility model is a medical injection needle blade angle adjusting assembly, which comprises:

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

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

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

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

Further, the steering mechanism further comprises a second positioning plate, the second positioning plate is provided with a second positioning rod, and the first power piece 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 with the needle tube, and the needle tube can rotate around the axis of the needle tube.

Further, the top of first position regulating pole is equipped with the chamfer.

Further, the first position adjusting rod is of a cylindrical structure, and the first position adjusting rod is perpendicular to the needle tube.

Further, the first power piece is a bidirectional screw rod, and the bidirectional screw rod can drive the first positioning plate and the second positioning plate to be close to or far away from each other.

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

Further, a friction layer is arranged on the surface of the first positioning rod and/or the surface of the second positioning rod, and the friction layer is used for abutting against the needle tube.

Further, a locking mechanism is also included, the locking mechanism including:

a pressing plate;

and the third power part is used for driving the pressing plate to approach the adsorption part from back to front so as to fix the needle tube on the adsorption part.

Further, the pressing plate is provided with a protruding block, the protruding block is suitable for the first needle groove, and the protruding block can be abutted against the needle tube, so that the needle tube is fixed on the absorption part.

Further, the needle conveying mechanism further comprises a guide block, wherein 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 up-down direction.

The beneficial effects of the utility model are as follows.

Through the suction attachment of the needle conveying mechanism, the needle tube is arranged along the up-down direction, the needle tube can be driven by gravity to vertically fall down, when the needle tube falls down, the lower end of the needle tube is abutted against the tangent plane block, only when the edge face of the needle tube is just matched with the guide face of the tangent plane block, the needle tube is at the bottommost end and cannot rotate relative to the needle tube, when the edge face of the needle tube is not matched with the guide angle of the tangent plane block, the needle tube is at a relatively upper position, meanwhile, the needle tube can rotate relative to the axis, 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 against the needle tube, the needle tube can rotate relative to the needle tube due to the friction force between the first positioning rod and the needle tube, the needle tube continuously falls down after the needle tube rotates to a certain angle, the direction of the edge face of the needle tube is changed, and finally the edge face of the needle tube is matched with the guide angle of the tangent plane block, so that the edge face of each needle tube can face of the needle tube faces towards the same direction; the suction part adsorbs the needle tube on the first needle groove, and when the suction force of the suction part is reduced, the needle tube can slide down along the first needle groove; simultaneously, a plurality of needle tubes are arranged, so that the plurality of first positioning rods can drive the plurality of needle tubes to rotate simultaneously, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the left front of a medical needle blade angle adjustment assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the overall structure of the left rear of the medical needle blade angle adjustment assembly according to the embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of an adsorbing member according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of an adsorbing member according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the steering mechanism, positioning mechanism, and locking mechanism of the present utility model;

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

FIG. 7 is a schematic view of a retraction mechanism according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a needle transport mechanism according to an embodiment of the present utility model;

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

FIG. 10 is a schematic view of an embodiment of the present utility model after a needle cannula and a section block are mated;

FIG. 11 is a schematic view of a steering mechanism for driving a needle cannula to rotate in accordance with an embodiment of the present utility model;

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

fig. 13 is a schematic view of a needle hub after the needle cannula is fixed in accordance with an embodiment of the present utility model.

Reference numerals:

needle carrying mechanism 100, suction member 110, first needle groove 111, guide block 120, guide hole 121, base 130, pick-up arm 140, ejector pin member 141, fifth power member 143, sixth power member 144;

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

positioning mechanism 300, tangential block 310, second power element 320, and guide surface 311;

a locking mechanism 400, a pressing plate 410, a bump 411 and a third power member 420;

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

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

Detailed Description

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

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that, unless explicitly defined otherwise, when a certain feature is referred to as being "fixed," "connected," or "mounted" on another feature, it may be directly fixed or connected to the other feature or may be indirectly fixed or connected to the other feature, and the terms such as "fixed," "connected," or "mounted" should be interpreted broadly, so that those skilled in the art can reasonably determine the specific meaning of the terms in the present utility model in combination with the specific contents of the technical scheme.

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

It is noted that the term "and/or" as used in the present utility model includes any combination of one or more of the listed items, a plurality of means one or more, a plurality of means two or more, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number.

It should be noted that, if the first, second, third, fourth, fifth, sixth and seventh descriptions are only used for distinguishing technical features in the present utility model, the description should not be construed as indicating or implying relative importance or implying that the number of the indicated technical features or the precedence of the indicated technical features is implicitly indicated.

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

Referring to fig. 1-13, a basic embodiment of a first aspect of the present utility model provides a medical needle blade angle adjustment assembly comprising:

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

the steering mechanism 200 comprises a first power piece 210 and a first positioning plate 220, the first positioning plate 220 is provided with a first positioning rod 221, the first power piece 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 with the needle tube, and the needle tube can rotate around the axis of the needle tube;

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

the needle carrying mechanism 100, the steering mechanism 200 and the positioning mechanism are sequentially arranged from top to bottom.

According to the medical injection needle blade angle adjusting assembly of the basic embodiment of the first aspect of the utility model, the needle tube is arranged along the up-down direction through the suction attachment 110 of the needle conveying mechanism 100, the needle tube can be driven by gravity to vertically drop down, when the needle tube drops down, the lower end of the needle tube is abutted against the tangent block 310, the needle tube is at the lowest end and cannot rotate relative to the needle tube only when the edge surface of the needle tube is just matched with the guide surface 311 of the tangent block 310, when the edge surface of the needle tube is not matched with the guide angle of the tangent block 310, the needle tube is at a relatively upper position, meanwhile, the needle tube can rotate relative to the own axis, 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 abut against the needle tube, the needle tube can rotate relative to the edge surface due to the friction force between the first positioning rod 221 and the needle tube, after the needle tube rotates to a certain angle, the direction of the needle tube continuously drops down, and the final angle of the needle tube is matched with the guide angle of the guide surface of the tangent block 310, and each needle tube can face towards the same direction; the suction member 110 sucks the needle tube in the first needle groove 111, and when the suction force of the suction member 110 is reduced, the needle tube can slide down along the first needle groove 111; simultaneously, a plurality of needle tubes are arranged, so that the plurality of first positioning rods 221 can simultaneously drive the plurality of needle tubes to rotate, and the working efficiency is improved.

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

In some embodiments, the steering mechanism 200 further includes a second positioning plate 230, where the second positioning plate 230 is provided with a second positioning rod 231, and the first power member 210 is used to drive the first positioning plate 220 and the second positioning plate 230 to approach or separate from each other, so that an outer wall of the first positioning rod 221 and an outer wall of the second positioning rod 231 can abut against the needle tube, and further rotate the needle tube around its own axis. The first positioning plate 220 and the second positioning plate 230 are close to each other, the first positioning plate 220 and the second positioning plate 230 are respectively positioned at two sides of the needle tube, the first positioning plate 220 and the second positioning plate 230 are respectively abutted against two sides of the needle tube, the friction force in the horizontal direction between the needle tube and the positioning rod is improved, the needle tube can effectively rotate, and the needle tube is prevented from being too smooth or slim and difficult to rotate.

In some embodiments, the top end of the first positioning bar 221 is provided with a chamfer 221a. The chamfer 221a provided 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 blocked, so that the first positioning rod 221 can be inserted into the needle tube; the second positioning lever 231 is the same.

In some embodiments, the first positioning rod 221 has a cylindrical structure, and the first positioning rod 221 is perpendicular to the needle tube. The first positioning rod 221 and the needle tube are of cylindrical structures, and are in point-to-point contact, so that the friction force between the first positioning rod 221 and the needle tube in the vertical direction is prevented from being too large, and the needle tube cannot fall onto the tangent plane block 310 in the vertical direction.

In some embodiments, the first power member 210 is a bi-directional screw capable of simultaneously driving the first and second positioning plates 220, 230 toward or away from each other. The bidirectional screw rod is a left-handed screw rod, one part of the screw thread of the screw rod screw thread part is left-handed, the other part of the screw thread part is right-handed, the screw rod rotates in one direction, two nuts on the screw thread are separated or close to each other at two ends, and when the screw rod rotates in the opposite direction, the two nuts are close or separated. The bidirectional screw drives the first positioning plate 220 and the second positioning plate 230 at the same time, so that the movement speeds of the first positioning plate 220 and the second positioning plate 230 are the same and opposite, and the movement speeds of the first positioning rod 221 and the second positioning rod 231 are the same, 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 beneficial to the rotation of the needle tube to a corresponding angle.

In some embodiments, the first positioning lever 221 is rotatably disposed on the first positioning plate 220. The first positioning rod 221 can rotate around the axis of the first positioning rod 221, 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 being abutted against the section block 310. The second positioning lever 231 is the same as the first positioning lever 221.

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

In some embodiments, further comprising a locking mechanism 400, the locking mechanism 400 comprising:

a platen 410;

the third power member 420, which is used to drive the platen 410 from back to front to close the suction attachment 110, secures the needle cannula to the suction attachment 110.

In this arrangement, when the tangential block 310 and the first positioning rod 221 are away from the needle tube, the needle tube may be larger than the suction force of the suction member 110 due to the gravity, so as to fall vertically, and the pressing plate 410 abuts against the suction member 110, so that the needle tube is fixed on the suction member 110.

In some embodiments, the pressure plate 410 is provided with a protrusion 411, the protrusion 411 is adapted to the first needle slot 111, and the protrusion 411 can abut against the needle tube, so that the needle tube is fixed on the adsorption member 110. The protruding block 411 can penetrate into the first needle groove 111, so that the protruding block 411 is abutted against the needle tube, the protruding block 411 is fully contacted with the needle tube, and the stability of the needle tube is improved.

In some embodiments, the bump 411 is made of elastic material such as rubber, silicone, etc., and the bump 411 presses the needle cannula, so that the bump 411 is deformed by force to fix the needle cannula on the suction member 110.

In some embodiments, the needle handling mechanism 100 further comprises a guide block 120, the guide block 120 being provided with a guide hole 121, the guide hole 121 being adapted to the diameter of the needle tube, such that the needle tube is arranged in an up-down direction. The first needle groove 111 has an inner diameter larger than the diameter of the needle tube, and the needle tube can be subjected to other operations through the guide hole 121, thereby preventing the needle tube from being deviated during rotation, and preventing the installation of the needle tube from being affected.

In some embodiments, the formed rounded edge of the lower end of the guide hole 121 is inscribed in the formed rounded edge of the first needle groove 111, and it is understood that the lower end of the guide hole 121 is not in the same plane as the first needle groove 111 when viewed in the front-rear or left-right direction, but the lower end of the guide hole 121 is inscribed in the first needle groove 111 when viewed in the up-down direction, so that the needle tube can move along the first needle groove 111 all the way along the guide hole 121, and the needle tube can remain in a straight line in the up-down direction without changing the direction, preventing the needle tube from being deviated.

In some embodiments, 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 cannula, and the guide hole 121 is gradually reduced from top to bottom. The first needle groove 111 has an inner diameter larger than the diameter of the needle tube, and the needle tube can be subjected to other operations through the guide hole 121, thereby preventing the needle tube from being deviated during rotation, and preventing the installation of the needle tube from being affected.

In some embodiments, the needle retraction mechanism 500 is further included, the needle retraction mechanism 500 includes a needle hub 510 and a fourth power member 520, the needle hub 510 is provided with a needle hole 511, and the fourth power member 520 is used to drive the needle hub 510 to approach the needle cannula so that the needle cannula is inserted into the needle hub 510. The fourth power member 520 drives the needle holder 510 to move in up and down and front and rear directions so that the needle holder 510 can be introduced into the device in the front and rear directions and then the needle tube can be inserted into the needle holder 510 in the up and down directions.

It is understood that the fourth power element 520 may be a combination of two rails or a combination of two telescopic cylinders.

In some embodiments, the dispensing mechanism 600 further includes a dispenser 610 and a seventh power element 620, wherein the dispenser 610 is disposed directly above the positioning mechanism 300, and the seventh power element 620 is used to drive the dispenser 610 to approach or separate from the pinhole 511. The seventh power unit 620 drives the dispenser 610 to be close to the needle hole 511 and injects glue into the junction of the needle tube and the needle hole 511, so that the needle tube is fixed to the needle holder 510.

In some embodiments, the dispenser 610 is provided with an alignment plate 611, where the alignment plate 611 is disposed along a 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 unit 620 drives the dispenser 610 to move downward, and simultaneously drives the pressing plate 410 to move downward, so as to ensure the consistent height of the needle tube.

In some embodiments, the device further comprises a detection mechanism comprising an infrared detector for detecting whether the needle cannula is in place. The infrared detector can emit infrared rays, and when the needle tube is completely matched with the section block 310, the needle tube is positioned at the lowest point, and the position of the lowest point irradiated by the infrared rays is judged whether the needle tube is in place or not according to whether the needle tube is positioned at the lowest point.

In some embodiments, the suction member 110 is provided with a negative pressure hole, which is provided in the first needle groove 111, and the negative pressure hole is communicated with a negative pressure fan. The negative pressure hole is fixed at the first needle groove 111 by the negative pressure fan, so that the suction part 110 can conveniently transfer the needle tube.

In some embodiments, the adsorbing element 110 is provided with an electromagnet, and the adsorption of the adsorbing element 110 is controlled by controlling the on/off of the power or adjusting the power.

In some embodiments, the needle transport mechanism 100 further comprises:

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

the pick-up arm 140 comprises a thimble member 141, an absorbing member 110, a fifth power member 143 and a sixth power member 144, wherein the thimble member 141 penetrates through the through hole, the absorbing member 110 is provided with a plurality of first needle grooves 111, the first needle grooves 111 are in one-to-one correspondence with the through holes, the absorbing member 110 is rotatably arranged on the base 130, the sixth power member 144 drives the absorbing member 110 to rotate around the base 130, the sixth power member 144 is used for driving the absorbing member 110 to rotate to the upper part of the base 130, the fifth power member 143 drives the thimble member 141 to be close to the absorbing member 110 from bottom to top, so that a needle tube on the base 130 is close to the absorbing member 110, and the needle tube is further absorbed on the first needle grooves 111.

In this arrangement, a large number of needle tubes are stored through the base 130, the ejector pin 141 moves from bottom to top, so that the ejector pin 141 passes through the large number of needle tubes, during the ascending process, one needle tube just stays at the upper end of the ejector pin 141, the rest of the needle tubes stay in the needle storage groove, the sixth power member 144 drives the adsorption member 110 to rotate to the upper side of the base 130, the ejector pin 141 moves the needle tube to the adsorption member 110, and the adsorption member 110 adsorbs the needle tube on the first needle groove 111; the fifth power piece 143 drives the suction piece 110 to rotate to the front of the base 130, so that the needle tube is arranged in the up-down direction; the whole process of picking up and collecting the needle tube does not need manual operation, and a plurality of needle tubes can be processed simultaneously, so that the production efficiency is effectively improved, and the safety of staff is ensured.

It will be appreciated that first needle groove 111 has a concave configuration such that the needle cannula extends into first needle groove 111, and that first needle groove 111 may be a v-groove, an arcuate groove, or a square groove.

It can be understood that the first needle groove 111 is disposed on a surface of the absorbent member 110 near the base 130, and the second power member 320 drives the absorbent member 110 to rotate above the base 130, the first needle groove 111 faces downward, and the second power member drives the absorbent member 110 to rotate in front of the base 130, the first needle groove 111 faces backward.

In some embodiments, the ejector 141 includes a plurality of ejector pins that pass through corresponding through holes. The plurality of thimble feet are arranged along the up-down direction, the first power piece 210 drives the thimble piece 141 to move upwards, and a plurality of thimble feet can be driven to move simultaneously, so that each thimble foot can pick up one needle tube.

In some embodiments, the upper end of the top stitch is provided with a third needle slot for mating with a needle cannula. The appearance in third needle groove just needle tubing cooperation, in the thimble foot from bottom to top's stroke, the upper end of top stitch can pass the needle groove that deposits a large amount of needle tubing, and in this stroke, only one of them needle tubing can install on the third needle groove, and other needle tubing stays in the needle groove of depositing, guarantees that every thimble foot all picks up a needle tubing.

In some embodiments, the left and right ends of the first needle slot 111 are provided with a first bevel and a second bevel, respectively, for separating the excess needle cannula from the ejector 141. Only one needle tube can be mounted on the third needle groove, and the rest needle tubes slide along the first inclined plane and the second inclined plane, so that each top stitch is further ensured to pick up only one needle tube.

In some embodiments, the working principle is:

the adsorbing 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 disposed in the up-down direction;

the second power piece 320 drives the section block 310 to be close to the lower side 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 suction part 110, the needle tube falls down along the vertical direction under the action of gravity, the lower end of the needle tube is abutted against the guide surface 311, and at least part of the needle tube is structurally positioned on the suction part 110;

the first power piece 210 drives the first positioning plate 220 to approach the needle tube, so that the first positioning rod 221 is abutted with the needle tube and moves continuously, and the needle tube rotates around the axis of the first power piece until the edge surface of the needle tube is matched with the guide surface 311 of the tangent block 310;

the first power unit 210 drives the first positioning plate 220 to be far away from the needle tube, the suction force is enhanced by the suction unit 110, the needle tube is fixed on the suction unit 110, and the first positioning plate 220 and the section block 310 are reset;

the fourth power part 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;

the suction member 110 stops working, and the fourth power member 520 drives the needle holder 510 to be far away from the suction member 110 from top to bottom;

the suction member 110 is away from the needle holder 510, and the seventh power member 620 drives the dispenser 610 downward, and injects glue into the junction between the needle tube and the needle holder 510, thereby fixing the needle tube to the needle holder 510.

Under this setting, through the suction attachment 110 of the needle transporting mechanism 100, the needle tube is set up along the vertical direction, the needle tube can be driven by gravity to vertically fall down, when the needle tube falls down, the lower end of the needle tube is abutted against the tangent plane block 310, at least part of the needle tube is located at the suction attachment 110, the limit effect on the needle tube is achieved, only when the edge face of the needle tube is just matched with the guide face 311 of the tangent plane block 310, the needle tube is at the bottommost end and can not rotate relative to the needle tube, when the edge face of the needle tube is not matched with the guide angle of the tangent plane block 310, the needle tube is at a relatively upper position, meanwhile, the needle tube can rotate relative to the own axis, 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 needle tube can be abutted against the first positioning rod 221, the needle tube can rotate relative to the needle tube due to friction force between the first positioning rod 221 and the needle tube, after the needle tube rotates to a certain angle, the direction of the needle tube continuously falls down, and the final angle of the edge face is matched with the guide angle of the tangent plane block 310, and each needle tube can face towards the same direction.

It is noted that terms like "one embodiment," "some embodiments," "base embodiments," "extended embodiments," and the like may be used throughout this specification to describe several embodiments of the utility model, as a particular feature, structure, material, or characteristic of the several embodiments may be combined without departing from the principles and spirit of the present utility model.

While there has been shown and described what is considered to be certain embodiments of the present utility model, it is to be understood that the utility model is not limited to the above-described embodiments, but is to be accorded the widest scope consistent with the principles and novel features of the present utility model.

Claims (10)

1. A medical needle blade angle adjustment assembly, comprising:

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

the steering mechanism (200) comprises a first power piece (210) and a first positioning plate (220), wherein the first positioning plate (220) is provided with a first positioning rod (221), the first power piece (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 with the needle tube, and the needle tube can rotate around the axis of the needle tube;

the positioning mechanism (300) comprises a tangent block (310) and a second power piece (320), wherein the tangent block (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 tangent block (310) to be close to or far away from the needle tube;

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

2. The medical needle blade angle adjustment assembly according to claim 1, wherein the steering mechanism (200) further comprises a second positioning plate (230), the second positioning plate (230) is provided with a second positioning rod (231), and the first power member (210) is used for driving 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, and the needle tube can be rotated around the own axis.

3. The medical needle blade angle adjustment assembly of claim 2, wherein the first power member (210) is a bi-directional screw capable of simultaneously driving the first positioning plate (220) and the second positioning plate (230) toward or away from each other.

4. The medical needle blade angle adjustment assembly according to claim 2, characterized in that the surface of the first positioning rod (221) and/or the second positioning rod (231) is provided with a friction layer for abutting against a needle tube.

5. The medical needle blade angle adjustment assembly according to claim 1, characterized in that the top end of the first positioning rod (221) is provided with a chamfer (221 a).

6. The medical needle blade angle adjustment assembly of claim 1, wherein the first positioning rod (221) is of a cylindrical structure, and the first positioning rod (221) is perpendicular to the needle tube.

7. The medical needle blade angle adjustment assembly of claim 1, wherein the first positioning rod (221) is rotatably provided to the first positioning plate (220).

8. The medical needle blade angle adjustment assembly of claim 1, further comprising a locking mechanism (400), the locking mechanism (400) comprising:

a platen (410);

and the third power piece (420) is used for driving the pressing plate (410) to approach the adsorption piece (110) from back to front so as to fix the needle tube on the adsorption piece (110).

9. The medical injection needle blade angle adjustment assembly according to claim 8, characterized in that the pressure plate (410) is provided with a projection (411), the projection (411) being adapted to the first needle slot (111), the projection (411) being capable of abutting against a needle cannula, the needle cannula being fixed to the suction attachment (110).

10. The medical injection needle blade angle adjustment assembly according to claim 1, characterized in that the needle handling mechanism (100) further comprises a guide block (120), the guide block (120) is provided with a guide hole (121), the guide hole (121) is adapted to the diameter of a needle tube, and the needle tube is arranged in the up-down direction.