阅读说明：本技术 一种采血管分离胶注胶机的定量注胶装置和方法 (Quantitative glue injection device and method of blood collection tube separation glue injection machine ) 是由 王从相 王清清 王双兰 于 2020-05-09 设计创作，主要内容包括：本发明涉及采血管加工技术领域。一种采血管分离胶注胶机的定量注胶装置,注胶桶固定在固定板上,注胶桶中设置有血液分离胶,注胶桶的下端设置有出料端；移动板通过滑轨移动连接在固定板上,换向组件安装在固定板上,抽胶组件对应换向组件的侧方；滴胶管安装在换向组件的下端,加热组件套在滴胶管外,加热组件移动连接在固定板上,加热组件可以上下移动。本发明具有多管同时注胶效率高,注胶定量准确的优点。(The invention relates to the technical field of blood collection tube processing. A quantitative glue injection device of a blood collection tube separation glue injection machine is characterized in that a glue injection barrel is fixed on a fixing plate, blood separation glue is arranged in the glue injection barrel, and a discharge end is arranged at the lower end of the glue injection barrel; the moving plate is movably connected to the fixed plate through a sliding rail, the reversing assembly is installed on the fixed plate, and the glue pumping assembly corresponds to the side of the reversing assembly; the glue dripping pipe is arranged at the lower end of the reversing component, the heating component is sleeved outside the glue dripping pipe and movably connected to the fixed plate, and the heating component can move up and down. The invention has the advantages of high glue injection efficiency of multiple pipes and accurate glue injection quantification.)

1. A quantitative glue injection device of a blood collection tube separation glue injection machine is characterized by comprising a glue injection barrel (41), a fixing plate (42), a movable lead screw assembly (43), a movable plate (44), a heating assembly (45), a reversing assembly (46), a glue extraction assembly (47) and a glue dripping tube (48); the glue injection barrel (41) is fixed on the fixing plate (42), blood separation glue is arranged in the glue injection barrel (41), and a discharge end is arranged at the lower end of the glue injection barrel (41); the moving plate (44) is movably connected to the fixed plate (42) through a sliding rail, the reversing assembly (46) is installed on the fixed plate (42), the glue pumping assembly (47) corresponds to the side of the reversing assembly (46), and the moving screw rod assembly (43) drives the glue pumping assembly (47); the drip tube (48) is arranged at the lower end of the reversing assembly (46), the heating assembly (45) is sleeved outside the drip tube (48), the heating assembly (45) is movably connected to the fixing plate (42), and the heating assembly (45) can move up and down.

2. The quantitative gel injection device of the blood collection tube separation gel injection machine according to claim 1, wherein the reversing assembly (46) comprises a valve body (461), a valve core (462) and a reversing cylinder (463), the valve body (461) is fixedly arranged, a feeding seat (4611) is arranged at the end part of the valve body (461), a feeding hole is arranged in the feeding seat (4611), and the feeding seat (4611) is connected with the lower end of the gel injection barrel (41); the valve core (462) is arranged in the valve body (461), the reversing cylinder (463) is arranged on the fixed plate (42), and the telescopic end of the reversing cylinder (463) is connected with the valve core (462); the valve core (462) is in a circular shaft shape, a material passing channel (4621) is arranged at the axis of the valve core (462), and the material passing channel (4621) is connected with a feeding hole on the feeding seat (4611); a lateral through hole (4623) is arranged on the outer side of the valve core (462), and the through hole (4623) is penetrated through the material passing channel (4621); the cylindrical surface of the valve core (462) is also provided with a sinking groove (4624), the sinking groove (4624) is arc-shaped, and the phase included angle of two ends of the sinking groove is ninety degrees; the sinking groove (4624) is positioned on the side of the through hole (4623); the telescopic end of the reversing cylinder (463) is connected with the end part of the valve core (462); the lower end of the valve body (461) is provided with a lower glue hole, and the glue dripping pipe (48) is arranged in the lower glue hole.

3. The quantitative glue injection device of the blood collection tube separation glue injection machine according to claim 1, wherein a plurality of the sinking grooves (4624) and the through holes (4623) are respectively arranged, and the plurality of the through holes (4623) are uniformly distributed.

4. The quantitative glue injection device of the blood collection tube separation glue injection machine according to claim 1, wherein a thick cylindrical part (4625) is arranged at the end part of the valve core (462), the thick cylindrical part (4625) is matched with the valve body (461), and a sealing ring is further arranged at the matching part; an exhaust hole (4626) is formed in the side end of the thick cylindrical part (4625), the exhaust hole (4626) is communicated with the material passing channel (4621), the exhaust hole (4626) is a threaded hole, the exhaust hole (4626) is opened in the first gluing process to exhaust air inside, and the exhaust hole (4626) is blocked by a screw during subsequent glue injection.

5. The quantitative gel injection device of the blood collection tube separation gel injection machine according to claim 1, wherein the movable lead screw assembly (43) comprises a stepping motor, a lead screw and a lead screw nut, the stepping motor is fixed with a lead screw shaft end, the stepping motor is installed on the fixing plate (42), the lead screw nut is in screw fit in the lead screw, and the lead screw nut is fixed with the movable plate (44); the fixed plate (42) is also provided with a limit sensor (49), and the limit sensor (49) corresponds to the convex column arranged at the side end of the movable plate (44) and is used for controlling the moving distance of the movable plate (44).

6. The quantitative glue injection device of the blood collection tube separation glue injection machine according to claim 1, wherein the heating assembly (45) comprises a lifting guide frame (451) and a heating plate (452), the heating plate (452) is installed on the lifting guide frame (451), uniformly distributed round holes (453) are formed in the heating plate (452), the glue dripping tube (48) is located in the round holes (453), an electric heating wire (454) is further arranged on the side of the heating plate (452), the electric heating wire (454) is located inside the heating plate (452), and the electric heating wire (454) is used for heating the heating plate (452).

7. A quantitative glue injection device for a blood collection tube separation glue injection machine according to claim 1, wherein the glue extraction assembly (47) comprises a base (471), a cavity (472), an injection needle (473) and a pulling plate (474); the cavity (472) is arranged in the base (471), the base (471) is installed on the side face of the valve body (461), the injection needles (473) are arranged in the cavity (472), a plurality of injection needles (473) are arranged, the end parts of the injection needles (473) are all fixed on the pulling plate (474), and the pulling plate (474) is fixed on the moving plate (44); the side of the valve body (461) is provided with a mounting groove (4612), the bottom of the mounting groove (4612) is provided with a transition hole (4213), the transition hole (4213) is connected with a through hole (4623) and a sinking groove (4624), the end surface of the cavity (472) is mounted in the mounting groove (4612), the center of the cavity (472) is provided with a through hole, the through hole is connected with the transition hole (4213), and the injection needle (473) is movably matched in the through hole.

8. A quantitative glue injection method for blood collection tube separation glue is characterized in that the blood separation glue is sent out from a glue injection barrel (41) and enters a material passing channel (4621) in a valve core (462), at the moment, a through hole (4623) is aligned to a transition hole (4213) for glue extraction, a lead screw assembly (43) is moved to pull out a pull plate (474), and the glue is filled into a cavity (472) when an injection needle (473) is moved out of the cavity (472); then, the valve core (462) is pushed by the reversing cylinder (463) to enable the sinking groove (4624) to be aligned to the transition hole (4213) for glue pushing, the pulling plate (474) is pushed out by the moving lead screw assembly (43), glue left in the cavity (472) before flows into the glue dripping tube (48) through the sinking groove (4624), the glue dripping tube (48) is heated by the heating assembly (45) to prevent blood separating glue from being cooled and solidified, the glue dripping tube (48) extends into the blood collection tube, and the glue falls into the bottom of the blood collection tube.

9. A blood collection tube separation glue injection machine is characterized by comprising a rack (1), a blood collection tube feeding device (2), a tube frame conveying device (3), a blood collection tube collecting device (5) and a quantitative glue injection device (4) according to claim 1, wherein the blood collection tube feeding device, the tube frame conveying device and the quantitative glue injection device are mounted on the rack (1).

Technical Field

The invention relates to the technical field of blood collection tube processing, in particular to a quantitative glue injection device of a blood collection tube separation glue injection machine.

Background

The separating gel is an important raw material applied to the vacuum blood collecting tube, and has the functions that the specific gravity of the separating gel is between serum and corpuscles, and the serum and the corpuscles are separated by the separating gel after the blood is precipitated by rotating and centrifuging. The separating glue has high viscosity and is not easy to package at normal temperature. According to the blood collection application and national standard of the blood collection tube, the weight of the blood separation gel added into each blood collection tube is 1g +/-10%.

The patent of a full-automatic vacuum blood collection tube separation glue injection molding machine with the patent name of CN104526943B is disclosed by the national intellectual property office, and comprises a machine table, a cooling spraying device, a transmission device, a glue dripping device and a molding device, wherein the machine table comprises a rack and a panel, the panel is fixed at the upper end of the rack, and a conveying groove is formed in the panel; the transmission device is arranged in the rack and comprises a servo motor, a transmission chain and a blood sampling tube, and the transmission chain is positioned in the conveying groove; the glue dripping device comprises a suction assembly, a heating assembly, a glue pressing assembly and a glue dripping assembly which are connected in sequence; the cooling spraying device is provided with a spraying head which penetrates into the conveying groove and is used for spraying and cooling the blood sampling tube in the conveying groove; forming device is provided with the shaping awl, and the shaping awl is pressed down the design to the separation glue in the heparin tube.

The existing glue injection equipment has the following technical problems: 1. the multiple rows of blood collection tubes are difficult to inject glue simultaneously, the glue injection amount of each blood collection tube is difficult to accurately control by adopting an air pressure pumping mode, and the glue injection is easy to block; 2, the pipe frame performs the glue injection task in the conveying process, so that the precision is difficult to control, and the success rate of glue injection is not high; 3. the blood collection tubes with different lengths are fed, the efficiency of loading the blood collection tubes into the tube frame individually is low, and errors are easy to occur in the separation and feeding of the blood collection tubes into the tube frame; 4. when the blood collection tube is collected, a large amount of accumulated blood collection tubes are easy to clamp collected channels, the collection is difficult, and glue in the blood vessel is easy to leak.

Disclosure of Invention

The purpose of the invention is: to the multirow heparin tube injecting glue simultaneously among the prior art, adopt the atmospheric pressure pump to go into the mode and be difficult to the accurate control every heparin tube injecting glue volume, the problem that the injecting glue blockked up easily provides a heparin tube separation of multitube injecting glue efficient simultaneously, the injecting glue ration is accurate glues injection machine's ration injecting glue device.

The purpose of the invention is realized by adopting the following technical scheme:

a quantitative glue injection device of a blood collection tube separation glue injection machine comprises a glue injection barrel, a fixed plate, a movable lead screw assembly, a movable plate, a heating assembly, a reversing assembly, a glue extraction assembly and a glue dripping tube; the glue injection barrel is fixed on the fixing plate, blood separation glue is arranged in the glue injection barrel, and a discharge end is arranged at the lower end of the glue injection barrel; the movable plate is movably connected to the fixed plate through a sliding rail, the reversing assembly is mounted on the fixed plate, the glue pumping assembly corresponds to the side of the reversing assembly, and the movable lead screw assembly drives the glue pumping assembly; the glue dripping pipe is arranged at the lower end of the reversing component, the heating component is sleeved outside the glue dripping pipe and movably connected to the fixing plate, and the heating component can move up and down.

Preferably, the reversing assembly comprises a valve body, a valve core and a reversing cylinder, the valve body is fixedly arranged, a feeding seat is arranged at the end part of the valve body, a feeding hole is formed in the feeding seat, and the feeding seat is connected with the lower end of the glue injection barrel; the valve core is arranged in the valve body, the reversing cylinder is arranged on the fixed plate, and the telescopic end of the reversing cylinder is connected with the valve core; the valve core is in a round shaft shape, a material passing channel is arranged at the axis of the valve core and is connected with a feeding hole on the feeding seat; a lateral through hole is formed in the outer side of the valve core and penetrates through the material passing channel; the cylindrical surface of the valve core is also provided with a sinking groove which is arc-shaped, and the phase included angle of two ends of the sinking groove is ninety degrees; the sink groove is positioned on the side of the through hole; the telescopic end of the reversing cylinder is connected with the end part of the valve core; the lower end of the valve body is provided with a lower glue hole, and the glue dripping pipe is arranged in the lower glue hole.

Preferably, the sinking grooves and the through holes are respectively provided with a plurality of through holes which are uniformly distributed.

Preferably, the end part of the valve core is provided with a thick cylindrical part, the thick cylindrical part is matched with the valve body, and a sealing ring is arranged at the matched part; the side end of the thick cylindrical part is provided with an exhaust hole which is communicated with the material passing channel and is a threaded hole, the exhaust hole is opened in the first gluing process to exhaust the inside, and the exhaust hole is plugged by a screw during the subsequent glue injection.

Preferably, the movable lead screw assembly comprises a stepping motor, a lead screw and a lead screw nut, the stepping motor is fixed with the shaft end of the lead screw, the stepping motor is arranged on the fixed plate, the lead screw nut is spirally matched in the lead screw, and the lead screw nut is fixed with the movable plate; the fixed plate is also provided with a limit sensor, and the limit sensor corresponds to the convex column arranged at the side end of the movable plate and is used for controlling the moving distance of the movable plate.

Preferably, the heating assembly comprises a lifting guide frame and a heating plate, the heating plate is installed on the lifting guide frame, round holes are uniformly distributed in the heating plate, the glue dripping pipe is located in the round holes, heating wires are further arranged on the lateral sides of the heating plate and located inside the heating plate, and the heating wires are used for heating the heating plate.

Preferably, the glue extracting assembly comprises a base, a cavity, an injection needle and a pulling plate; the cavity is arranged in the base, the base is arranged on the side face of the valve body, the injection needles are arranged in the cavity, the number of the injection needles is multiple, the end parts of the multiple injection needles are all fixed on the pulling plate, and the pulling plate is fixed on the moving plate; the valve body side be provided with the mounting groove, the mounting groove bottom is provided with the transition hole, the transition hole links up with through-hole and heavy groove mutually, the terminal surface of cavity is installed in this mounting groove, the cavity center is provided with penetrating through-hole, the through-hole links up with the transition hole, the syringe needle removes the cooperation in this through-hole.

A quantitative glue injection method for blood collection tube separation glue injection is characterized in that when the device works, blood separation glue is sent out from a glue injection barrel and enters a material passing channel in a valve core, then a through hole is aligned with a transition hole for glue extraction, a screw rod assembly is moved to pull out a pulling plate, and the glue is filled into a cavity when an injection needle is moved out of the cavity; then the cylinder that commutates pushes away the case, makes heavy groove aim at the transition hole, pushes away gluey, removes lead screw assembly and releases the arm-tie, and the glue that stays in the cavity before making flows to the rubber-dripping pipe through heavy groove, and heating element heats the rubber-dripping pipe, prevents that blood separation glue from cooling and solidifying, and the rubber-dripping pipe stretches into in the heparin tube, falls into the heparin tube bottom with glue.

A blood collection tube separation glue injection machine comprises a rack, a blood collection tube feeding device, a tube rack conveying device, a quantitative glue injection device and a blood collection tube collecting device, wherein the blood collection tube feeding device, the tube rack conveying device, the quantitative glue injection device and the blood collection tube collecting device are arranged on the rack; the conveying track of the pipe frame conveying device is rectangular, and the pipe frame conveying device is correspondingly provided with a feeding station, a glue injection station and a discharging station; the blood collection tube feeding device corresponds to a feeding station, the quantitative glue injection device corresponds to a glue injection station, and the blood collection tube collecting device corresponds to a discharging station; the quantitative glue injection device of the blood collection tube separation glue injection machine adopts the technical scheme.

Preferably, the rack conveying device is used for conveying and circulating the blood sampling tubes, and the blood sampling tube loading device is used for placing empty blood sampling tubes on the blood sampling tube racks in the rack conveying device; a heparin tube separation glues ration injecting glue device of glue injection machine is arranged in putting into quantitative separation and glues to the heparin tube, heparin tube collection device be arranged in taking out the heparin tube of adorning the separation and gluing from the pipe support, collect.

The quantitative glue injection device of the blood collection tube separation glue injection machine adopting the technical scheme has the advantages that: the glue injection is carried out simultaneously by arranging the plurality of rows of glue dripping tubes, so that the glue injection of one row of blood sampling tubes is realized, and the glue injection efficiency is high; the glue is extracted from the glue injection barrel through the back-and-forth movement process of the glue extraction assembly, the extracted glue is extruded out for glue injection, the glue extraction and injection are convenient, and the glue amount is convenient to control; the valve core is provided with a through hole and a material passing channel for glue feeding, the sinking groove for glue injection is arranged, the sinking groove and the through hole are adjacent in position, and the conversion of two glue taking and injecting modes is realized through the control of the reversing cylinder, so that the control is convenient, the switching efficiency is high, and the glue injection efficiency is improved; be provided with heating element and heat every rubber dripping pipe, prevent that glue cooling solidification from causing the jam.

The blood collection tube separation gel injection machine adopting the technical scheme has the advantages that:

1. the blood collection tube feeding device is suitable for feeding blood collection tubes with different lengths by setting adjustable mounting positions of the cover plate and the groove plate, and the inclined mounting seat can adjust the height through the lifting cylinder aiming at the blood collection tubes with different lengths so as to be suitable for overturning and blanking the blood collection tubes; the feeding efficiency of the blood collection tubes is improved by pushing out the whole rows of the blood collection tubes and feeding the whole rows of the blood collection tubes; the ejection assembly can effectively integrate the blood collection tube, determine the position of the blood collection tube and improve the accuracy of ejection; adopt rotatory turn-down rig upset mode to carry, rotatory turn-down rig's whereabouts action does not need solitary independent device through keeping off material subassembly and dog control, compact structure, and handling efficiency is high, and the action links up smoothly, and the material loading accuracy is high.

2. The pipe frame conveying device recycles the pipe frame by arranging a rectangular conveying route, so that the efficiency is improved; the tube frame needs to guarantee different precision and speed requirements during two actions of conveying and processing, and the high stepping motion precision of the sliding module is used for loading and sequentially injecting glue for multiple rows of blood sampling tubes in a mode of combining two conveying modes of the sliding module and the conveying belt; the characteristic of high belt conveying speed is used for conveying the pipe frame, so that the circulation speed is improved; when the feeding station and the glue injection station are used, clamping and positioning are carried out through the spinning machine, clamping action is efficient, the material passing rail is not affected, and the speed is increased.

3. The quantitative glue injection device can inject glue simultaneously by arranging a plurality of rows of glue dripping tubes, so that glue injection of a row of blood sampling tubes is realized, and the glue injection efficiency is high; the glue is extracted from the glue injection barrel through the back-and-forth movement process of the glue extraction assembly, the extracted glue is extruded out for glue injection, the glue extraction and injection are convenient, and the glue amount is convenient to control; the valve core is provided with a through hole and a material passing channel for glue feeding, the sinking groove for glue injection is arranged, the sinking groove and the through hole are adjacent in position, and the conversion of two glue taking and injecting modes is realized through the control of the reversing cylinder, so that the control is convenient, the switching efficiency is high, and the glue injection efficiency is improved; be provided with heating element and heat every rubber dripping pipe, prevent that glue cooling solidification from causing the jam.

4. The blood collection tube collection device keeps the blood collection tubes in a row of vertical state by arranging the partition plates in the storage bin, so that the influence of the blood collection tubes on the side edges is avoided, the blood collection tubes are packaged and fall smoothly, and the rows of the blood collection tubes can be switched by moving the screw rod groups, so that the blanking is continuous and uninterrupted, and the collection efficiency is improved; the plurality of blood collection tubes are picked up and moved by the arrangement of the poking wheel, so that the blood collection tubes are stable and reliable, and are prevented from being stacked; rotate the slope of push tube subassembly and set up, the position that contains blood separation and glue of heparin tube bottom sinks, prevents to flow at the in-process glue of carrying the heparin tube, improves product quality.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is an exploded view of the blood collection tube loading device.

Fig. 3 is a structural diagram of the material pushing assembly, the material ejecting assembly and the material blocking assembly.

Fig. 4 is an exploded view of the rotary stirring mechanism.

Fig. 5 is an exploded view of the pipe rack carrier device.

Fig. 6 is an exploded view of the first conveyor assembly and the second conveyor assembly.

Fig. 7 is an exploded view of the quantitative glue injection device.

Fig. 8 is an exploded view of the reversing assembly and the glue extracting assembly.

Figure 9 is a cross-sectional view of the reversing assembly and the glue extraction assembly.

Fig. 10 is an exploded view of the blood collection tube collecting device.

Fig. 11 is an exploded view of the ejection mechanism.

Fig. 12 is an exploded view of the traveling quill assembly and the rotating quill assembly.

Detailed Description

As shown in fig. 1, a blood collection tube separation gel injection machine comprises a rack 1, and a blood collection tube feeding device 2, a tube rack conveying device 3, a quantitative gel injection device 4 and a blood collection tube collecting device 5 which are arranged on the rack 1; the conveying track of the pipe frame conveying device 3 is rectangular, and a feeding station 301, a glue injection station 302 and a discharging station 303 are correspondingly arranged on the pipe frame conveying device 3; heparin tube loading attachment 2 correspond material loading station 301, ration injecting glue device 4 correspond injecting glue station 302, heparin tube collection device 5 correspond unloading station 303.

The tube rack conveying device 3 is used for conveying and circulating the blood sampling tube racks, and the blood sampling tube loading device 2 is used for placing empty blood sampling tubes on the blood sampling tube racks in the tube rack conveying device 3; quantitative injecting glue device 4 be arranged in putting into quantitative separation to the heparin tube and glue, heparin tube collection device 5 be arranged in will adorning the heparin tube of separation glue and take out from the pipe support, collect. The quantitative glue injection device 4 is a quantitative glue injection device of a blood collection tube separation glue injection machine.

As shown in fig. 2-4, the blood collection tube feeding device 2 includes a lifting frame 21, a lifting cylinder 22, a bin assembly 23, a pushing assembly 24, a material ejecting assembly 25, an inclined mounting seat 26, a material blocking assembly 27, a rotary material turning mechanism 28 and a tube falling detection assembly 29; the lifting frame 21 is fixed with the inclined mounting base 26, a linear bearing is arranged on the lifting frame 21 and connected to the rack, the lifting cylinder 22 is mounted on the rack, and the telescopic end of the lifting cylinder 22 is connected with the lifting frame 21; the storage bin assembly 23 comprises a groove plate 231, an inclined plate 232, a cover plate 233, a clamping groove 234 and a retaining column 235; the inclined plate 232 is arranged at the bottom end in the groove plate 231, two grooves are formed in the clamping groove 234, the clamping groove 234 is positioned on two sides above and below the inclined plate 232, the retaining columns 235 are arranged at two ends of the cover plate 233, the retaining columns 235 are arranged in the clamping groove 234, the cover plate 233 in the stock bin assembly 23 can be arranged in different grooves, and the loading of the blood collection tubes with different lengths can be tried; the pushing assembly 24 is installed on the bottom surface of the inclined installation seat 26, a platform 261 is arranged on the corresponding inclined installation seat 26, the ejecting assembly 25 is located below the platform 261, the ejecting assembly 25 corresponds to the lower end of the stock bin assembly 23, and the ejecting assembly 25 is used for pushing out the blood sampling tube; the ejection assembly 25 arranges the blood collection tubes in the storage bin assembly 23; the material blocking assembly 27 is arranged below the stock bin assembly 23, and the material blocking assembly 27 is used for blocking the discharging of the blood sampling tube; the rotary material turning mechanism 28 is installed below the inclined installation seat 26, and the rotary material turning mechanism 28 is used for receiving the pushed blood sampling tubes and feeding the blood sampling tubes to the tube frame; the drop tube detection assembly 29 is installed on the inclined installation seat 26, and the drop tube detection assembly 29 is used for detecting whether the blood sampling tube successfully falls into the tube frame.

The material pushing assembly 24 comprises a material pushing cylinder 241, a vertical plate 242 and a push rod 243; the vertical plate 242 is installed at the telescopic end of the material pushing cylinder 241, the push rods 243 are installed on the vertical plate 242, a plurality of push rods 243 are arranged side by side, the push rods 243 are cylindrical, and the end parts of the push rods 243 are provided with inclined planes 2431; the ejection assembly 25 comprises an ejection cylinder 251, a lifting plate 252 and a partition plate 253; the lifting plate 252 is arranged at the telescopic end of the ejection cylinder 251, the partition plates 253 are vertically arranged on the lifting plate 252, a plurality of uniform partition plates 253 are arranged, the adjacent partition plates 253 are staggered in height, and the installation distance of the adjacent partition plates 253 is matched with the outer diameter of the blood collection tube; a strip-shaped groove is formed in the platform 261, and the partition 253 is arranged in the strip-shaped groove; the material blocking assembly 27 comprises a control cylinder 271 and a baffle 272, the baffle 272 is installed at the telescopic end of the control cylinder 271, and the baffle 272 is located at the side end of the partition 253; the diameter of the push rod 243 is slightly smaller than that of the blood collection tube.

The rotary stirring mechanism 28 comprises a stirring cylinder 281, a stirring plate 282, a swinging rod 283, a material placing seat 284, a conical plate 285, an end stop component 286, a side plate 287, a positioning column 288 and a stopper 289; the end part of the material turning cylinder 281 is hinged in the inclined mounting seat 26, a bearing is arranged on the inclined mounting seat 26, a rotating shaft is arranged at the side end of the turnover plate 282 and is hinged in the bearing, one end of the oscillating bar 283 is fixed with the rotating shaft, and the other end of the oscillating bar 283 is hinged with the telescopic end of the material turning cylinder 281; the conical plates 285 are arranged at two end parts of the turnover plate 282, the conical plates 285 are arranged on the upper surface and the lower surface of the turnover plate 282, and conical holes are formed in the conical plates 285; the positioning column 288 is arranged on the inclined mounting seat 26, the end part of the positioning column 288 is conical, and the positioning column 288 corresponds to the conical plate 285; the material placing seat 284 is arranged on the side of the turnover plate 282, a vertical hole which is straight up and down is arranged on the material placing seat 284, and a transverse hole 2841 is arranged in the horizontal direction of the material placing seat 284; the oblique mounting seat 26 is provided with a correlation optical fiber sensor, the optical path of the optical fiber sensor corresponds to the position of the reversed transverse hole 2841, and whether the blood sampling tube in the material placing seat 284 is smoothly loaded is detected; the side plate 287 is arranged on the side of the material placing seat 284, and the upper end of the side plate 287 is provided with a flanging 2871; the end blocking component 286 is connected to the lower end of the material placing seat 284, the block 289 is fixed on the inclined mounting seat 26, and the position of the end blocking component 286 corresponds to that of the block 289; the end stop assembly 286 comprises a pressure rod 2861, a bottom baffle 2862 and a compression spring 2863; a cylinder is arranged between the pressing rod 2861 and the bottom baffle 2862 and is connected with the bottom baffle 2862, a round through hole is arranged on the material placing seat 284, the cylinder is arranged in the round through hole, the pressing spring 2863 is arranged outside the cylinder, and two ends of the pressing spring 2863 are respectively abutted against the pressing rod 2861 and the material placing seat 284; the bottom baffle 2862 is folded, and the bottom baffle 2862 is arranged at the bottom end of the material placing seat 284.

Falling pipe determine module 29 include oscillating axle, sheet metal component and photoelectric sensor, the oscillating axle articulates on oblique mount pad 26, the sheet metal component becomes the book shape, the sheet metal component is installed on the oscillating axle, be provided with contact site and detection portion on the sheet metal component, the contact site is corresponding with the heparin tube upper end, detection portion sets up in photoelectric sensor, after the heparin tube that the contact site contact of sheet metal component has not successfully fallen down, make the oscillating axle swing to photoelectric sensor can not detect the detection portion.

When the blood collection tube feeding device 2 works, the blood collection tubes are placed in the stock bin assembly 23, then the material ejecting cylinder 251 drives the partition plate 253 to do reciprocating vertical movement, the blood collection tubes fall between the partition plate 253, then the control cylinder 271 drives the baffle 272 to be lifted to a certain height, and then the material pushing cylinder 241 drives the push rod 243 to push out, so that the whole row of the blood collection tubes at the bottom end is pushed out; then the pushed blood collection tube falls into a vertical hole in the material placing seat 284, when the optical fiber sensor detects that the blood collection tube is successfully loaded, the material turning cylinder 281 is driven to contract to drive the material placing seat 284 to integrally swing, so that the material placing seat 284 is in a vertical state, the stopper 289 presses the end blocking component 286, the bottom blocking plate 2862 is moved away, and the blood collection tube smoothly falls into the tube frame; tube falling detection module 29 detects whether there is a blood collection tube that falls into the tube rack smoothly.

The blood collection tube feeding device 2 solves the problems that the feeding of blood collection tubes with different lengths is low in efficiency when the blood collection tubes are singly arranged on a tube frame, and errors are easily caused in the separation and feeding actions of the blood collection tubes to the tube frame; by arranging the adjustable mounting positions of the cover plate 233 and the groove plate 231, the feeding of the blood collection tubes with different lengths is adapted, and for the blood collection tubes with different lengths, the height of the inclined mounting seat 26 can be adjusted through the lifting cylinder 22, so that the blood collection tubes are adapted to be turned over and blanked; the feeding efficiency of the blood collection tubes is improved by pushing out the whole rows of the blood collection tubes and feeding the whole rows of the blood collection tubes; the ejection assembly 25 can effectively integrate the blood collection tube, determine the position of the blood collection tube and improve the accuracy of ejection; adopt rotatory turn-down rig structure 28 mode of overturning to carry, rotatory turn-down rig structure 28's whereabouts action is controlled through keeping off material subassembly 27 and dog 289, does not need solitary independent device, compact structure, and handling efficiency is high, and the action links up smoothly, and the material loading accuracy is high.

As shown in fig. 5 and 6, the pipe rack conveying device 3 includes a first conveying assembly 31, a first end pushing assembly 32, a second conveying assembly 33, a second end pushing assembly 34, a third end pushing assembly 35, a third conveying assembly 36 and a pipe rack 37; the first end jacking assembly 32 is connected with the ends of the first conveying assembly 31 and the second conveying assembly 33, the first conveying assembly 31 is provided with a feeding station 301, and the second conveying assembly 33 is provided with a glue injection station 302; the first conveying assembly 31 and the third conveying assembly 36 are arranged side by side, and the feeding end of the third conveying assembly 36 is a blanking station 303; the second end jacking component 34 is connected with the end part of the second conveying component 33 and the blanking station 303, and the third end jacking component 35 is connected with the blanking station 303 and the third conveying component 36; the discharge end of the third conveying component 36 corresponds to the side of the first conveying component 31, and the conveying track of the pipe frame conveying device 3 is rectangular.

The end part jacking assembly comprises a pushing cylinder and a push rod arranged at the telescopic end of the pushing cylinder. The pipe frame 37 comprises a guide plate 371 and a supporting plate 372; the guide plate 371 and the support plate 372 are fixed through a vertical column, a round hole is formed in the guide plate 371, a spherical top-shaped counter bore is formed in the support plate 372, and a fine hole is formed in the bottom end of the spherical top-shaped counter bore.

The first conveying assembly 31 comprises a first base frame 311, a blocking strip 312, a sliding module 313, a positioning cylinder 314, a first spinning machine 315 and a pressing rod 316; the first bottom frame 311 is arranged on a rack, and the barrier strip 312 is arranged at the edge of the first bottom frame 311; the sliding module 313 is installed on the bottom surface of the first bottom frame 311, the positioning cylinder 314 is vertically installed on the moving part of the sliding module 313, the first spinning machine 315 is horizontally installed on the moving part of the sliding module 313, and the pressing rod 316 is installed at the end part of the first spinning machine 315; the middle part of the first bottom frame 311 is provided with a hollow groove, and the pressing rod 316 at the end part of the first spinning machine 315 protrudes on the surface of the first bottom frame 311 in the vertical state.

The second conveying assembly 33 comprises a second chassis 331, a conveying belt 332, a driving motor 333 and a lifting mechanism; the second bottom frame 331 is installed on a rack, a retaining ring is arranged on the side edge of the second bottom frame 331, the conveying belt 332 is connected to the second bottom frame 331, the conveying belt 332 is positioned on the upper surface of the second bottom frame 331, and the conveying belt 332 is driven by the driving motor 333; a hollow part is arranged in the middle of the second underframe 331, and the lifting mechanism is positioned in the hollow part; the lifting mechanism comprises a lifting frame 334, a lifting screw 335, a screw driving motor 336, a material placing plate 337, a second spinning machine 338, a traversing screw assembly 339 and a mounting plate 3310; the mounting plate 3310 is arranged on the second bottom frame 331, the lifting frame 334 is movably connected to the second bottom frame 331, the lifting frame 334 is lifted through the lifting screw 335, and the driving motor 336 drives the lifting screw 335 to work; the transverse moving screw rod assembly 339 is arranged at the upper end of the lifting frame 334, the material placing plate 337 is arranged at the moving part of the transverse moving screw rod assembly 339, one end of the material placing plate 337 is provided with a raised step, and the other end is provided with an inclined plane; the second spinning machine 338 is installed on the side of the traversing lead screw assembly 339, and a pressing rod is arranged at the end of the second spinning machine 338.

The third conveying assembly 36 comprises a third chassis 361, a material ejecting claw 362, a blocking cylinder 363 and a driving belt set 364; the material ejecting claw 362 is mounted on the third chassis 361 through a two-degree-of-freedom moving mechanism, the material ejecting claw 362 can lift and move laterally, the blocking cylinder 363 is transversely mounted at the discharge end of the third chassis 361, and the driving belt set 364 is arranged on the third chassis 361 and used for driving the pipe frame to move.

When the tube rack conveying device 3 works, at the feeding station 301, a blood collection tube is placed on the tube rack 37, the positioning cylinder 314 is lifted, the first spinning machine 315 compresses the tube rack 37 at the extending end of the positioning cylinder 314, and then the sliding module 313 drives the tube rack 37 to move; the first end jacking assembly 32 pushes the racks 37 from the first conveyor assembly 31 into the second conveyor assembly 33; the conveying belt 332 drives the pipe frame 37 to move to the glue injection station 302, then the lifting frame 334 rises, the second spinning machine 338 presses the pipe frame on the material placing plate 337, and the traversing screw rod assemblies 339 sequentially drive the pipe frame to move to complete glue injection of the blood sampling pipes at different positions; then the pipe rack 37 is pushed down to the third conveying component 36 by the action of the second end pushing component 34 and the third end pushing component 35, and the conveying of the primary pipe rack is completed.

The pipe frame conveying device 3 solves the problem that the success rate of glue injection is low due to the fact that the precision is difficult to control when the glue injection task is performed in the conveying process of the pipe frame; by arranging the rectangular conveying route, the pipe frame is recycled, and the efficiency is improved; the tube frame needs to guarantee different precision and speed requirements during two actions of conveying and processing, and the high stepping motion precision of the sliding module 313 is used for loading and sequentially injecting glue for multiple rows of blood collection tubes by a mode of combining two conveying modes of the sliding module 313 and the conveying belt 332; the characteristic of high belt conveying speed is used for conveying the pipe frame, so that the circulation speed is improved; when the feeding station and the glue injection station are used, clamping and positioning are carried out through the spinning machine, clamping action is efficient, the material passing rail is not affected, and the speed is increased.

As shown in fig. 7-9, the quantitative glue injection device of the blood collection tube separation glue injection machine includes a glue injection barrel 41, a fixing plate 42, a movable lead screw assembly 43, a movable plate 44, a heating assembly 45, a reversing assembly 46, a glue extraction assembly 47, and a glue dropping tube 48; the glue injection barrel 41 is fixed on the fixing plate 42, blood separation glue is arranged in the glue injection barrel 41, and a discharge end is arranged at the lower end of the glue injection barrel 41; the moving plate 44 is movably connected to the fixed plate 42 through a sliding rail, the reversing assembly 46 is installed on the fixed plate 42, the glue pumping assembly 47 corresponds to the side of the reversing assembly 46, and the moving lead screw assembly 43 drives the glue pumping assembly 47; the glue dripping pipe 48 is arranged at the lower end of the reversing assembly 46, the heating assembly 45 is sleeved outside the glue dripping pipe 48, the heating assembly 45 is movably connected to the fixing plate 42, and the heating assembly 45 can move up and down.

The movable lead screw assembly 43 comprises a stepping motor, a lead screw and a lead screw nut, the stepping motor is fixed with the shaft end of the lead screw, the stepping motor is arranged on the fixed plate 42, the lead screw nut is in screw fit with the lead screw, and the lead screw nut is fixed with the movable plate 44; the fixed plate 42 is further provided with a limit sensor 49, and the limit sensor 49 corresponds to the convex column arranged at the side end of the moving plate 44 and is used for controlling the moving distance of the moving plate 44.

The heating assembly 45 comprises a lifting guide frame 451 and a heating plate 452, the heating plate 452 is installed on the lifting guide frame 451, a round hole 453 is uniformly distributed on the heating plate 452, the glue dripping pipe 48 is located in the round hole 453, a heating wire 454 is further arranged on the side of the heating plate 452, the heating wire 454 is located inside the heating plate 452, and the heating wire 454 is used for heating the heating plate 452.

The reversing assembly 46 comprises a valve body 461, a valve core 462 and a reversing cylinder 463, wherein the valve body 461 is fixedly arranged, a feeding seat 4611 is arranged at the end part of the valve body 461, a feeding hole is arranged in the feeding seat 4611, and the feeding seat 4611 is connected with the lower end of the glue injection barrel 41; the valve core 462 is arranged inside the valve body 461, the reversing cylinder 463 is arranged on the fixing plate 42, and the telescopic end of the reversing cylinder 463 is connected with the valve core 462; the valve core 462 is in a circular shaft shape, a material passing channel 4621 is arranged at the axis of the valve core 462, and the material passing channel 4621 is connected with a feeding hole on a feeding seat 4611; a lateral through hole 4623 is arranged on the outer side of the valve core 462, and the through hole 4623 is penetrated through the material passing channel 4621; the cylindrical surface of the valve core 462 is also provided with a sinking groove 4624, the sinking groove 4624 is arc-shaped, and the phase included angle of two ends of the sinking groove is ninety degrees; the sinking groove 4624 is positioned at the side of the through hole 4623; the sinking grooves 4624 and the through holes 4623 are respectively provided with a plurality of through holes 4623 which are uniformly distributed; the end of the valve core 462 is provided with a thick cylinder part 4625, the thick cylinder part 4625 is matched with the valve body 461, and the matching part is also provided with a sealing ring; an exhaust hole 4626 is formed in the side end of the thick cylindrical part 4625, the exhaust hole 4626 is communicated with the material passing channel 4621, the exhaust hole 4626 is a threaded hole, the exhaust hole 4626 is opened in the first gluing process to exhaust the inside, and the exhaust hole 4626 is blocked by a screw during the subsequent glue injection; the telescopic end of the reversing cylinder 463 is connected with the end of the valve core 462; the lower end of the valve body 461 is provided with a lower glue hole, and the glue dripping pipe 48 is arranged in the lower glue hole;

the glue extracting assembly 47 comprises a base 471, a cavity 472, an injection needle 473 and a pulling plate 474; the cavity 472 is arranged in a base 471, the base 471 is installed at the side of the valve body 461, the injection needles 473 are arranged in the cavity 472, the injection needles 473 are provided in a plurality, the ends of the injection needles 473 are all fixed on a pulling plate 474, and the pulling plate 474 is fixed on the moving plate 44; the side of the valve body 461 is provided with a mounting groove 4612, the bottom of the mounting groove 4612 is provided with a transition hole 4213, the transition hole 4213 is connected with a through hole 4623 and a sinking groove 4624, the end surface of the cavity 472 is mounted in the mounting groove 4612, the center of the cavity 472 is provided with a through hole, the through hole is connected with the transition hole 4213, and the injection needle 473 is movably matched in the through hole.

A quantitative glue injection method for separating glue injection of a blood collection tube, when a quantitative glue injection device works, blood separation glue is sent out from a glue injection barrel 41 and enters a material passing channel 4621 in a valve core 462, then a through hole 4623 is aligned with a transition hole 4213 for glue extraction, a lead screw assembly 43 is moved to pull out a pull plate 474, and the glue is filled into a cavity 472 when an injection needle 473 is moved out of the cavity 472; then, the reversing cylinder 463 pushes the valve element 462 to align the sinking groove 4624 with the transition hole 4213, glue is pushed, the pull plate 474 is pushed out by moving the lead screw assembly 43, glue left in the cavity 472 before flows into the glue dripping tube 48 through the sinking groove 4624, the glue dripping tube 48 is heated by the heating assembly 45 to prevent blood separation glue from being cooled and solidified, and the glue dripping tube 48 extends into the blood collection tube to drop the glue into the bottom of the blood collection tube.

The quantitative glue injection device solves the problems that multiple rows of blood collection tubes are difficult to inject glue simultaneously, the glue injection amount of each blood collection tube is difficult to accurately control in a pneumatic pumping mode, and the glue injection is easy to block, and the glue injection of one row of blood collection tubes is realized by arranging multiple rows of glue dripping tubes 48 for injecting glue simultaneously, so that the glue injection efficiency is high; the glue is extracted from the glue injection barrel 41 through the back-and-forth movement process of the glue extraction assembly 47, the extracted glue is extruded out for glue injection, the glue extraction and injection are convenient, and the glue amount is convenient to control; the valve core 462 is provided with a through hole 4623 for glue feeding and a material passing channel 4621, a sinking groove 4624 for glue injection is arranged, the sinking groove 4624 and the through hole 4623 are adjacent in position, and the conversion of two modes of glue injection and glue injection is realized through the control of the reversing cylinder 463, so that the control is convenient, the switching efficiency is high, and the glue injection efficiency is improved; the heating assembly 45 is arranged to heat each glue dripping pipe 48, so that the blockage caused by cooling and solidification of glue is prevented.

As shown in fig. 10 to 12, the blood collection tube collecting device 5 includes a base plate 51, an ejection mechanism 52, a movable tube connecting assembly 53, a rotary tube pushing assembly 54, and a collection chamber 55; the ejection mechanism 52 is installed on the base plate 51, the movable tube connecting component 53 corresponds to the side image of the ejection mechanism 52, the rotary tube pushing component 54 is arranged below the movable tube connecting component 53, the collecting bin 55 is connected with the side of the rotary tube pushing component 54, the ejection mechanism 52 is arranged at the blanking station 303 of the tube frame conveying device 3, and the ejection mechanism 52 is used for overturning the blood collection tubes in the tube frame and ejecting the blood collection pens into the movable tube connecting component 53; the movable tube connecting assembly 53 is used for moving the blood collection tubes and feeding the blood collection tubes into the rotary tube pushing assembly 54 in batches; the tube pushing assembly 54 is rotated to drive the blood collection tube into the collection bin 55.

The ejection mechanism 52 comprises a support plate 521, a turnover cylinder 522, a rotating shaft 523, a receiving table 524, an ejection cylinder 525, an ejector plate 526 and an ejection column 527; the upper end of the support plate 521 is provided with a hinge hole, a rotating shaft 523 is connected in the hinge hole, the rotating shaft 523 is fixed on the material receiving platform 524, and the material receiving platform 524 is provided with a plurality of fine holes 5241; the material receiving platform 524 is provided with an anti-falling plate 5242, the end part of the anti-falling plate 5242 is in a barb shape, and the barb is buckled with the edge of the pipe frame; a pressing plate 5243 is arranged on one side of the receiving platform 524, a lifting rib 5244 is arranged on the other side of the receiving platform 524, the lifting rib 5244 is mounted on the receiving platform 524 through a lifting cylinder 5245, and the lifting rib 5244 can protrude out of or sink into the surface of the receiving platform 524; the feed sides of the pressing plate 5243 and the lifting rib 5244 are provided with oblique angles; springs are arranged on the pressing plate 5243 and the material receiving platform 524, so that the pressing plate 5243 presses the pipe frame on the lifting rib 5244; the ejection cylinder 525 is installed at the bottom of the receiving platform 524, the ejector plate 526 is installed at the telescopic end of the ejection cylinder 525, the ejector plate 526 is located at the bottom surface of the receiving platform 524, the end part of the ejection column 527 is fixedly arranged on the ejector plate 526, and the ejection column 527 is located in the fine hole 5241 on the receiving platform 524; the material ejection column 527 corresponds to the pipe frame; the fixed end of the turning cylinder 522 is hinged to the side of the support plate 521, the telescopic end of the turning cylinder 522 is hinged to a transmission block 529, and the transmission block 529 is fixed with the rotating shaft 523. A slide rail is arranged below the support plate 521, the support plate 521 is movably connected to the substrate 51 through the slide rail, a moving cylinder 5210 is further arranged on the substrate 51, and the telescopic end of the moving cylinder 5210 is connected with the support plate 521.

The movable connecting pipe assembly 53 comprises a stand 531, a movable lead screw set 532, a storage bin 533 and a partition plate 534; the movable lead screw group 532 is arranged on the upper end plate of the vertical frame 531, and the stock bin 533 is connected with the movable end of the movable lead screw group 532; the back of the storage bin 533 is transparent, and a blood collection tube can be pushed in; a plurality of partition plates 534 are arranged in the bin 533, and the distance between the partition plates 534 is matched with the diameter of the blood sampling tube; a vertical strip-shaped cavity is formed between the partition plates 534, and the blood collection tube is arranged in the cavity; the lower bottom surface of the storage bin 533 is hollow, and is not blocked by a baffle; the movable lead screw group 532 comprises a driving motor, a lead screw nut and a connecting block; the output end of the driving motor is connected with the screw shaft, the screw nut is spirally matched in the screw, and the screw nut is arranged in the connecting block.

The rotary push pipe assembly 54 comprises an upper top plate 540, an inclined bottom plate 541, a connecting side plate 542, a feeding block 543, a toggle wheel 544, a stepping motor 545, a bottom connecting plate 546 and an upper push-down plate 547; the inclined bottom plate 541 is obliquely arranged, the connecting side plate 542 is vertically arranged on the inclined bottom plate 541, the upper top plate 540 is arranged on the connecting side plate 542, and the upper top plate 540 is connected with the bottom end of the storage bin 533; the feeding block 543 is vertically mounted on the inclined bottom plate 541, and the upper end surface of the feeding block 543 is flush with the surface of the upper top plate 540; an arc-shaped feeding channel 5431 is arranged in the feeding block 543, and the width of the feeding channel 5431 is matched with the diameter of the blood collection tube; a photoelectric sensor 5433 is arranged on the side of the feeding block 543, the optical path of the photoelectric sensor 5433 passes through the feeding channel 5431 from the side, and the photoelectric sensor 5433 is used for detecting the number state of the blood sampling tubes in the feeding channel 5431; a circular notch 5432 is formed in the feeding block 543, the feeding channel 5431 is connected with the bin 533 and the circular notch 5432, the toggle wheel 544 is hinged on the connecting side plate 542, and the toggle wheel 544 is located in the circular notch 5432; the stepping motor 545 is arranged on the connecting side plate 542, and an output shaft of the stepping motor 545 is connected with a main shaft of the toggle wheel 544 through a belt wheel assembly; the poking wheel 544 is composed of a plurality of poking plates 5441 which are uniformly arranged on the main shaft 5442, a gap is reserved between the poking plates 5441, a plurality of arc-shaped notches 5443 are arranged on the periphery of the poking plates 5441, and the blood sampling tube is arranged in the arc-shaped notches 5443; the upper push-down plate 547 is installed above the bottom connection plate 546, a channel is left between the upper push-down plate 547 and the bottom connection plate 546, the end of the bottom connection plate 546 is connected with the feeding block 543, and the channel is used for blood collection tubes to pass through; a plurality of fork strips 5471 are arranged at the end part of the upper push-down plate 547; fork 5471 extends into the gap formed between the dials 5441, and the fork 5471 pushes down the blood collection tube during rotation of the dials 5441.

When the blood collection tube collecting device 5 works, the tube rack enters the material receiving platform 524, two sides of the tube rack are pressed by the pressing plate 5243 and the lifting rib 5244, and the top surface of the tube rack is hooked by the anti-falling plate 5242; then the turnover cylinder 522 works to drive the receiving platform 524 to rotate by ninety degrees, and then the ejection cylinder 525 pushes the ejection column 527 out of the receiving platform 524 to push the blood collection tube in the tube frame out from the side; the pushed blood collection tube enters the bin 533, and falls into the feeding channel 5431 of the feeding block 543 at the lower end of the bin, the stepping motor 545 drives the poking wheel 544 to rotate, so that the blood collection tube is clamped in the arc-shaped gap 5443 to move, and when the photoelectric sensor 5433 does not detect the blood collection tube, the screw rod group 532 is moved to drive the bin 533 to move for a certain distance, so that the blood collection tube in the other cavity falls; when moving to the bottom, the fork 5471 pushes down the blood collection tube into the channel between the top push-down plate 547 and the bottom receiving plate 546, and finally enters the collection bin 55 to complete collection.

The blood collection tube collecting device 5 solves the problems that a large amount of accumulated blood collection tubes are easy to clamp a collection channel, the collection is difficult, and glue in the blood vessel is easy to leak out when the blood collection tubes are collected; the partition plate 534 is arranged in the storage bin 533, so that the blood collection tubes are kept in a row of vertical state, the influence of the blood collection tubes on the side edges is avoided, the blood collection tubes are packaged to fall smoothly, and the rows of the blood collection tubes can be switched by moving the screw rod group 532, so that the blanking is continuous and uninterrupted, and the collection efficiency is improved; the poking wheel 544 is arranged to take and move a plurality of blood sampling tubes, so that the blood sampling tubes are stable and reliable, and are prevented from being accumulated; rotate the slope setting of ejector sleeve subassembly 54, the position that contains blood separation and glue of heparin tube bottom sinks, prevents to flow at the in-process glue of carrying the heparin tube, improves product quality.

The blood collection tube separation gel injection machine sequentially comprises the following steps of:

(I) feeding an empty blood collection tube: the blood sampling tubes are placed in the stock bin assembly 23, then the material ejecting cylinder 251 drives the partition plate 253 to do reciprocating vertical movement, the blood sampling tubes are dropped between the partition plates 253, then the control cylinder 271 drives the baffle 272 to be lifted to a certain height, and then the material ejecting cylinder 241 drives the push rod 243 to push out, so that the whole row of the blood sampling tubes at the bottommost end is pushed out; then the pushed blood collection tube falls into a vertical hole in the material placing seat 284, when the optical fiber sensor detects that the blood collection tube is successfully loaded, the material turning cylinder 281 is driven to contract to drive the material placing seat 284 to integrally swing, so that the material placing seat 284 is in a vertical state, the stopper 289 presses the end blocking component 286, the bottom blocking plate 2862 is moved away, and the blood collection tube smoothly falls into the tube frame; the tube falling detection assembly 29 detects whether a blood collection tube smoothly falls into the tube rack;

(II) injecting glue into the blood collection tube: the blood separation glue is sent out from the glue injection barrel 41 and enters the material passing channel 4621 in the valve core 462, at the moment, the rear through hole 4623 is aligned with the transition hole 4213 for glue extraction, the lead screw assembly 43 is moved to pull out the pull plate 474, and the glue is filled into the cavity 472 when the injection needle 473 moves out of the cavity 472; then, the reversing cylinder 463 pushes the valve element 462 to make the sinking groove 4624 align with the transition hole 4213 to push glue, the lead screw assembly 43 is moved to push the pulling plate 474 out, so that the glue left in the cavity 472 flows into the glue dripping pipe 48 through the sinking groove 4624, the heating assembly 45 heats the glue dripping pipe 48 to prevent the blood separation glue from cooling and solidifying, the glue dripping pipe 48 extends into the blood collection pipe, and the glue falls into the bottom of the blood collection pipe;

(III) blanking and collecting a blood collection tube: the pipe rack enters the receiving platform 524, the two sides of the pipe rack are pressed by the pressing plate 5243 and the lifting flanges 5244, and the top surface of the pipe rack is hooked by the anti-falling plate 5242; then the turnover cylinder 522 works to drive the receiving platform 524 to rotate by ninety degrees, and then the ejection cylinder 525 pushes the ejection column 527 out of the receiving platform 524 to push the blood collection tube in the tube frame out from the side; the pushed blood collection tube enters the bin 533, and falls into the feeding channel 5431 of the feeding block 543 at the lower end of the bin, the stepping motor 545 drives the poking wheel 544 to rotate, so that the blood collection tube is clamped in the arc-shaped gap 5443 to move, and when the photoelectric sensor 5433 does not detect the blood collection tube, the screw rod group 532 is moved to drive the bin 533 to move for a certain distance, so that the blood collection tube in the other cavity falls; when moving to the bottom, the fork 5471 pushes down the blood collection tube into the channel between the top push-down plate 547 and the bottom receiving plate 546, and finally enters the collection bin 55 to complete collection.