CN115194432A - Device for assembling needle holder and blood taking needle assembly - Google Patents
Device for assembling needle holder and blood taking needle assembly Download PDFInfo
- Publication number
- CN115194432A CN115194432A CN202210620693.9A CN202210620693A CN115194432A CN 115194432 A CN115194432 A CN 115194432A CN 202210620693 A CN202210620693 A CN 202210620693A CN 115194432 A CN115194432 A CN 115194432A
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- needle
- assembling
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- 239000008280 blood Substances 0.000 title claims abstract description 33
- 210000004369 blood Anatomy 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 163
- 230000007246 mechanism Effects 0.000 claims abstract description 92
- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims description 32
- 230000007306 turnover Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000000872 buffer Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 210000004460 N cell Anatomy 0.000 claims 1
- 210000004027 cell Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001990 intravenous administration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/007—Picking-up and placing mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention provides a device for assembling a needle holder and a blood taking needle assembly, which comprises a righting mechanism for righting and clamping the blood taking needle assembly; the feeding mechanism is used for conveying the needle holder to a preset position; the material receiving and blocking mechanism is used for receiving the needle holders from the feeding mechanism and can stop the rest needle holders on the feeding mechanism; the material taking and assembling mechanism is used for obtaining the needle holder on the material receiving and blocking mechanism and can rotate the needle holder to assemble the blood collection needle assembly which is rightly clamped by the righting mechanism after the needle holder is turned over by a preset angle. The device for assembling the needle holder and the blood collection needle assembly can improve the assembly efficiency through the mutual matching of the mechanisms, and can improve the assembly effect through the pre-assembly and the secondary assembly of the needle holder and the blood collection needle assembly.
Description
Technical Field
The invention relates to the technical field of blood taking needle production lines, in particular to a device for assembling a needle holder and a blood taking needle assembly.
Background
The intravenous blood taking needle is used for collecting blood samples in the medical examination process, and an intravenous needle assembly at the top end of the intravenous blood taking needle is used for puncturing blood vessels, wherein the intravenous needle assembly comprises a needle handle, a metal needle tube and a sheath; the blood taking needle component at the tail end comprises a blood taking needle seat, a bottle stopper puncture needle and a hemostatic sheath.
Currently, in a blood taking needle production line, one end of a blood taking needle assembly needs to be assembled with a needle base, and the other end of the blood taking needle assembly needs to be assembled with a needle holder. In the prior art, the station for assembling the needle holder and the blood collection needle assembly has some disadvantages: such as complicated operation, assembly efficiency, and effect to be improved.
Disclosure of Invention
In order to solve the problems in the prior art, the present application proposes a device for assembling a needle holder with a blood collection needle assembly so as to improve the assembly efficiency and the assembly effect.
In order to achieve the above object, the present application proposes a device for assembling a needle holder with a lancet assembly, comprising a righting mechanism for righting the lancet assembly; the feeding mechanism is used for conveying the needle holder to a preset position; the material receiving and blocking mechanism is used for receiving the needle holders from the feeding mechanism and can stop the rest needle holders on the feeding mechanism; the material taking and assembling mechanism is used for obtaining a needle holder on the material receiving and blocking mechanism and can rotate the needle holder to assemble the blood collection needle assembly which is rightly clamped with the righting mechanism after the needle holder is overturned by a preset angle.
In some embodiments, the feeding mechanism comprises a height adjusting mechanism arranged on a bottom plate or a support, a direct vibration base is arranged on the height adjusting mechanism, a linear vibrator is arranged on the direct vibration base, a material channel plate is arranged on the linear vibrator, N or N/2 material channels are arranged on the material channel plate at intervals, the numerical value of N is consistent with the number of the blood taking needle assemblies to be assembled, a material channel pressing plate is arranged on the material channel, and the needle holder is conveyed through the feeding mechanism from back to front in an upright mode.
In some embodiments, the material receiving and blocking mechanism comprises a first mounting plate fixed on the bottom plate through a support, a first slide rail is arranged on the first mounting plate, the first slide rail is matched with a first slide block arranged on the lower surface of a second mounting plate, a material taking cylinder assembled on the first mounting plate is connected with the second mounting plate, and the second mounting plate can move in the front-back direction through the material taking cylinder; the second mounting plate is oppositely provided with two side vertical plates, a cylinder fixing plate is connected between the two side vertical plates, a lifting cylinder is assembled on the cylinder fixing plate and connected with a third mounting plate, the lower surface of the third mounting plate is connected with a guide shaft, the guide shaft is matched with a linear bearing arranged on the cylinder fixing plate, and the third mounting plate can move along the vertical direction through the lifting cylinder; the third mounting plate is provided with a second slide rail, a second slide block is matched with the second slide rail, the second slide block is connected with a connecting plate, the connecting plate is also connected with a material staggering cylinder assembled on the third mounting plate, the connecting plate can move along the left and right direction through the material staggering cylinder, a linear material receiving tire is connected onto the connecting plate, N material receiving grooves for receiving needle holders from the feeding mechanism are arranged on the linear material receiving tire at intervals, optical fiber detection holes are arranged at positions of the linear material receiving tire corresponding to the material receiving grooves and communicated with the material receiving grooves, an optical fiber fixing plate is arranged on the front surface of the linear material receiving tire, N optical fiber mounting holes are arranged on the optical fiber fixing plate at intervals, the optical fiber mounting holes correspond to the optical fiber detection holes in a one-to-one correspondence manner, detection optical fibers are assembled at the optical fiber mounting holes and connected with a control unit and used for detecting whether the needle holders move to the material receiving grooves or not; still be equipped with on the first mounting panel and keep off material cylinder fixing base, keep off material cylinder fixing base and be located the rear of second mounting panel, be equipped with on the fender material cylinder fixing base and keep off the material cylinder, keep off and be connected with on the material cylinder and keep off the material bottom plate that the material cylinder is connected, set up and be in keep off the material riser at material bottom plate both ends and set up the pressure flitch between two fender riser the spaced is equipped with N or N2 depression bars on the pressure flitch, the number of depression bar with the number of material way is unanimous, the depression bar is in the lower surface department of pressure flitch.
In some embodiments, the material taking and assembling mechanism comprises a fourth mounting plate, the fourth mounting plate is located below the first mounting plate, two third sliding blocks are arranged on the lower surface of the fourth mounting plate, the third sliding blocks are matched with third sliding rails arranged on a bottom plate, an assembling cylinder connected with the fourth mounting plate is further arranged on the bottom plate, and the fourth mounting plate can move along the front-back direction through the assembling cylinder; the fourth mounting plate is oppositely provided with two vertical plates, one vertical plate is connected with the first turnover shaft through a bearing, the other vertical plate is connected with the second turnover shaft through a bearing, a bearing seat is arranged on the vertical plate, one end of a cylinder is connected with the bearing seat through a bearing, the other end of the cylinder is hinged with a rocker arm, the rocker arm is connected with the first turnover shaft, and the cylinder can drive the first turnover shaft to rotate; the first turnover shaft is connected with a first connecting plate, the second turnover shaft is connected with a second connecting plate, a lower cover plate and a motor seat plate are sequentially connected between the first connecting plate and the second connecting plate along the front-back direction, the lower cover plate and the motor seat plate are connected through motor support plates, a positioning wall plate is connected between the two motor support plates, the lower cover plate is connected with an upper cover plate, the lower cover plate and the upper cover plate are matched to form N first bearing mounting holes, rolling bearings are arranged at the first bearing mounting holes, bearing baffle plates are arranged on the front surfaces of the lower cover plate and the upper cover plate, N second bearing mounting holes are arranged on the positioning wall plate at intervals, the rolling bearings are arranged at the second bearing mounting holes, bearing pressing plates are arranged on the front surface of the positioning wall plate, the first bearing mounting holes correspond to the second bearing mounting holes one by one, a shaft sleeve is connected to the rolling bearings of the corresponding first bearing mounting holes and the second bearing mounting holes, and the N shaft sleeves can rotate under the action of a driving mechanism; the needle holder is characterized in that a rotating shaft is arranged in the shaft sleeve, an air claw is arranged at the front end of the rotating shaft, and a claw finger used for obtaining the needle holder is arranged on the air claw.
In some embodiments, a limiting cylinder is disposed at the front end of the bottom plate to limit the forward movement position of the fourth mounting plate, and the material taking and assembling mechanism can be pre-assembled and secondarily assembled through the limiting cylinder.
In some embodiments, the driving mechanism includes N servo motors connected to the motor seat plate, the servo motors drive driving gears to rotate, the driving gears are engaged with driven gears disposed on the shaft sleeves, and the shaft sleeves can be rotated by the servo motors.
In some embodiments, the upper cover plate is provided with a photoelectric mounting plate, the lower surface of the photoelectric mounting plate is provided with N groove-shaped photoelectric switches at intervals, and each shaft sleeve is provided with a photoelectric sensing rod matched with the groove-shaped photoelectric switches for use.
In some embodiments, two needle holder stoppers are also symmetrically arranged on the air claw.
In some embodiments, a limiting block is arranged on the second overturning shaft, the limiting block is used in cooperation with two buffers arranged on a fixing plate, the fixing plate is arranged on a vertical plate, and the two buffers are respectively used in cooperation with the limiting block when the second overturning shaft rotates forwards and backwards so as to limit the overturning angle of the second overturning shaft.
The device for assembling the needle holder and the blood taking needle assembly has the advantages that the assembly efficiency can be improved through the mutual matching of the mechanisms, and the assembly effect can be improved through pre-assembling and secondary assembling the needle holder and the blood taking needle assembly.
Drawings
FIG. 1 shows a schematic structural view of a device for assembling a needle holder with a lancet assembly in an embodiment.
Fig. 2 shows a schematic illustration of the exploded structure of fig. 1.
Fig. 3 shows a schematic view of the exploded structure from another angle of fig. 1.
Fig. 4 shows a schematic structural diagram of the material receiving stop mechanism in the embodiment.
Fig. 5 shows the exploded structure diagram of fig. 4.
Fig. 6 is a schematic view of a part of the material taking and assembling mechanism in the embodiment.
Fig. 7 shows the exploded structure diagram of fig. 6.
Fig. 8 shows an enlarged view of a in fig. 6.
Reference numerals are as follows: 10-a righting mechanism, 20-a bottom plate, 30-a support, 40-a feeding mechanism, 50-a material receiving and blocking mechanism, 60-a material taking and assembling mechanism, 101-a mounting frame, 102-a connecting seat, 103-a material supporting rod, 104-an alarm lamp, 401-a lower bottom plate, 402-a screw rod, 403-an upper bottom plate, 404-a straight vibrating base, 405-a linear vibrator, 406-a material channel plate, 407-a material channel, 408-a material channel pressing plate, 501-a first mounting plate, 502-a support column, 503-a first sliding rail, 504-a first sliding block, 505-a material taking cylinder, 506-a second mounting plate, 507-a side vertical plate, 508-a cylinder fixing plate, 509-a lifting cylinder, 5010-a third mounting plate, 5011-a guide shaft and 5012-a linear bearing, 5013-second sliding rail, 5014-second sliding block, 5015-connecting plate, 5016-material staggering cylinder, 5017-buffer, 5018-linear material receiving tire, 5019-material receiving groove, 5020-optical fiber fixing plate, 5021-optical fiber mounting hole, 5022-material blocking cylinder fixing seat, 5023-material blocking cylinder, 5024-material blocking frame, 5025-material pressing plate, 5026-pressure rod, 601-fourth mounting plate, 602-assembly cylinder, 603-third sliding rail, 604-third sliding block, 605-vertical plate, 606-bearing seat, 607-cylinder, 608-rocker arm, 609-first turnover shaft, 6010-second turnover shaft, 6011-first connecting plate, 6012-second connecting plate, 6013-limiting block, 6014-fixing plate, 6015-motor seat plate, 6016-lower cover plate, 6017-motor support plate, 6018-upper cover plate, 6019-bearing baffle plate, 6020-rolling bearing, 6021-positioning wall plate, 6022-second bearing mounting hole, 6023-bearing press plate, 6024-shaft sleeve, 6025-rotating shaft, 6026-air claw, 6027-needle holder stop block, 6028-claw finger, 6029-servo motor, 6030-driving gear, 6031-driven gear, 6032-photoelectric mounting plate, 6033-groove type photoelectric switch, 6034-limit cylinder, 6035-shield and M-needle holder.
Detailed Description
The following description of the embodiments of the present application will be made with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "first", "second", and the like are used for distinguishing similar objects and not for describing or indicating a particular order or sequence, and that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
As shown in fig. 1 to 8, the device for assembling a needle holder with a lancet assembly according to the present application includes a righting mechanism 10 for rightly holding the lancet assembly (the righting mechanism 10 may adopt a structure known in the art, for example, a structure mentioned in patent No. 2021205384501 or a similar structure); a feeding mechanism 40 for conveying the needle holder to a preset position; a material receiving and blocking mechanism 50 for receiving the current set of needle holders from the feeding mechanism 40 and being capable of stopping the next set of needle holders on the feeding mechanism 40; and a material taking and assembling mechanism 60 for taking the needle holder on the material receiving and blocking mechanism 50 and rotating the needle holder to assemble the needle holder with the lancet assembly clamped in the normal position by the normal position mechanism 10 after the needle holder is turned over by a preset angle.
In this embodiment, the aligning mechanism 10 is disposed on a mounting frame 101, and since the needle holder and the lancet assembly have a certain weight after being assembled and are liable to droop, a material supporting rod 103 is further disposed on the aligning mechanism 10 through a connecting base 102, and a warning lamp 104 is disposed on the mounting frame 101.
The feeding mechanism 40 comprises a height adjusting mechanism arranged on the bottom plate 20 or the support 30, in this embodiment, the height adjusting mechanism is arranged on the support 30, a straight vibrating base 404 is arranged on the height adjusting mechanism, a straight vibrating vibrator 405 is arranged on the straight vibrating base 404, a material channel plate 406 is arranged on the straight vibrating vibrator 405, N or N/2 material channels 407 are arranged on the material channel plate 406 at intervals, the number of the N or N/2 material channels is consistent with the number of the blood taking needle assemblies to be assembled, the shape of the material channel 407 is set according to requirements, and in this embodiment, the material channel 407 is U-shaped. A material channel pressing plate 408 is arranged on the material channel 407 to prevent the needle holder from deviating from the material channel 407, and specifically, two material channel pressing plates 408 which are used in cooperation with each other are arranged on each material channel. The needle holder is conveyed from the rear to the front by the feed mechanism 40.
The position of the needle holder can be adjusted through the height adjusting mechanism to be matched with the positions of other mechanisms. Specifically, the height adjusting mechanism includes a lower bottom plate 401 and an upper bottom plate 403, wherein the lower bottom plate 401 is disposed on the support 30, a screw 402 is disposed between the lower bottom plate 401 and the upper bottom plate 403, and a direct vibration base 404 is disposed on the upper bottom plate 403.
In this embodiment, the material receiving material blocking mechanism 50 includes a first mounting plate 501 fixed on the bottom plate 20 through a pillar 502, a first slide rail 503 is provided on the first mounting plate 501, the first slide rail 503 is matched with a first slider 504 provided on a lower surface of a second mounting plate 506, a material taking cylinder 505 assembled on the first mounting plate 501 is connected with the second mounting plate 506, and the second mounting plate 506 can move in a front-back direction through the material taking cylinder 505; two side vertical plates 507 are oppositely arranged on the second mounting plate 506, a cylinder fixing plate 508 is connected between the two side vertical plates 507, a lifting cylinder 509 is assembled on the cylinder fixing plate 508, the lifting cylinder 509 is connected with a third mounting plate 5010, guide shafts 5011 (four) are connected to the lower surface of the third mounting plate 5010, the guide shafts 5011 are matched with linear bearings 5012 arranged on the cylinder fixing plate 508, the third mounting plate 5010 can move vertically through the lifting cylinder 509, and a passage matched with the guide shafts 5011 can be arranged on the second mounting plate 506 so as to pass through the second mounting plate 506 when the guide shafts 5011 descend.
The third mounting plate 5010 is provided with a second slide rail 5013, the second slide block 5014 is matched with the second slide rail 5013, the second slide block 5014 is connected with a connecting plate 5015, the connecting plate 5015 is also connected with a material staggering cylinder 5016 assembled on the third mounting plate 5010, the material staggering cylinder 5016 can enable the connecting plate 5015 to move in the left and right directions, and in order to limit the moving range of the connecting plate 5015, the third mounting plate 5010 is further provided with a buffer 5017 through a support plate. The connecting plate 5015 is connected with a linear receiving tire 5018, the linear receiving tire 5018 is provided with N receiving grooves 5019 at intervals for receiving needle holders from the feeding mechanism 40, optical fiber detection holes are formed in positions of the linear receiving tire 5018 corresponding to the receiving grooves 5019 and communicated with the receiving grooves 5019, an optical fiber fixing plate 5020 is arranged on the front surface of the linear receiving tire 5018, N optical fiber mounting holes 5021 are formed in the optical fiber fixing plate 5020 at intervals, the optical fiber mounting holes 5021 correspond to the optical fiber detection holes one by one, detection optical fibers are assembled in the positions of the optical fiber mounting holes 5021 and connected with a control unit and used for detecting whether the needle holders move to the receiving grooves 5019, and when the detection is finished, the feeding mechanism 40 is used for conveying the needle holders to preset positions.
The application relates to a connect material stock stop 50 can the feed mechanism of two kinds of material way numbers of adaptation: under the condition that N material channels 407 are arranged on the material channel plate 406 at intervals, when the detection optical fiber detects a needle holder, the second mounting plate 506 can move forward by driving the material taking cylinder 505, so that the needle holder at the material receiving slot 5019 is far away from the material channel 407, thereby facilitating the subsequent material taking operation.
When the N/2 material channels 407 are arranged on the material channel plate 406 at intervals, when the detection optical fiber detects a needle holder, the connection plate 5015 is moved in the left/right direction by driving the material staggering cylinder 5016, so that the remaining N/2 material receiving channels 5019 correspond to the material channels 407, and the needle holder on the material channel 407 can move to the remaining material receiving channels 5019. Then, the second mounting plate 506 can move forward by driving the material taking cylinder 505, so that the needle holder at the material receiving slot 5019 is far away from the material channel 407, thereby facilitating the subsequent material taking operation.
Still be equipped with on first mounting panel 501 and keep off material cylinder fixing base 5022, keep off material cylinder fixing base 5022 and be located the rear of second mounting panel 506, keep off material cylinder 5023 that is equipped with on the material cylinder fixing base 5022, keep off and be connected with on the material cylinder 5023 and keep off material frame 5024, keep off material frame 5024 include with keep off the material bottom plate that material cylinder 5023 is connected, set up and be in keep off the material riser at material bottom plate both ends and set up pressure flitch 5025 between two material risers interval is equipped with N or N2 pressure lever 5026 on the pressure flitch 5025, the number of pressure lever 5026 with the number that material said 407 is unanimous, pressure lever 5026 is in press the lower surface department of flitch 5025. When the needle holders in the feeding mechanism 40 move to the receiving slot 5019, the striker cylinder 5023 is driven to lower the pressure plate 5025, so that the rest needle holders in the feeding mechanism 40 stay on the feeding mechanism 40.
In this embodiment, the material taking and assembling mechanism 60 includes a fourth mounting plate 601, the fourth mounting plate 601 is located below the first mounting plate 501, two third sliders 604 are disposed on a lower surface of the fourth mounting plate 601, the third sliders 604 are engaged with third slide rails 603 disposed on the bottom plate 20, an assembling cylinder 602 connected to the fourth mounting plate 601 is further disposed on the bottom plate 20, and the fourth mounting plate 601 can be moved in the front-rear direction by the assembling cylinder 602. The front end of the bottom plate 20 is provided with a limiting cylinder 6034 for limiting the forward movement position of the fourth mounting plate 601, and the material taking and assembling mechanism 60 can be preassembled and assembled for the second time through the limiting cylinder 6034.
Two vertical plates 605 are oppositely arranged on the fourth mounting plate 601, wherein one vertical plate is connected with the first turning shaft 609 through a bearing, the other vertical plate is connected with the second turning shaft 6010 through a bearing, the first turning shaft 609 is connected with a first connecting plate 6011, the second turning shaft 6010 is connected with a second connecting plate 6012, a shroud 6035 may be coupled between lower end surfaces of the first link plate 6011 and the second link plate 6012, a lower cover plate 6016 and a motor base plate 6015 are sequentially connected between the first link plate 6011 and the second link plate 6012 along the front-rear direction, the lower cover plate 6016 and the motor base plate 6015 are connected through a motor support plate 6017, a positioning wall plate 6021 is connected between the two motor support plates 6017, the lower cover plate 6016 is connected with the upper cover plate 6018, and the two are matched to form N first bearing mounting holes, a rolling bearing 6020 is arranged at the first bearing mounting hole, a bearing baffle 6019 is arranged at the front surfaces of the lower cover plate 6016 and the upper cover plate 6018, n second bearing mounting holes 6022 are arranged on the positioning wall plate 6021 at intervals, a rolling bearing 6020 is arranged at the second bearing mounting hole 6022, the front surface of the positioning wall plate 6021 is provided with a bearing press plate 6023, each first bearing mounting hole corresponds to each second bearing mounting hole one by one, a shaft sleeve 6024 is connected with the rolling bearings 6020 of the corresponding first bearing mounting hole and the second bearing mounting hole, the N shaft sleeves 6024 can perform rotary motion under the action of a driving mechanism, in this embodiment, the driving mechanism includes N servo motors 6029 connected to the motor base plate 6015, the servo motor 6029 drives the driving gear 6030 to rotate, the driving gear 6030 is meshed with the driven gear 6031 arranged on the shaft sleeve 6024, the sleeve 6024 can perform a rotational motion by the servo motor 6029; in order to control the rotation range of the shaft sleeve 6024, the upper cover plate 6018 is provided with a photoelectric mounting plate 6032, N groove-shaped photoelectric switches 6033 are arranged on the lower surface of the photoelectric mounting plate 6032 at intervals, and each shaft sleeve 6024 is provided with a photoelectric sensing rod used in cooperation with the groove-shaped photoelectric switch 6033.
A rotating shaft 6025 is arranged in the shaft sleeve 6024, a gas claw 6026 is arranged at the front end of the rotating shaft 6025, a claw finger 6028 for obtaining the needle holder is arranged on the gas claw 6026, and a needle holder stopper 6027 (two, separately arranged at two sides of the needle holder M) is arranged on the gas claw 6026 to maintain the needle holder.
In order to realize the turning function, a bearing seat 606 is arranged on one vertical plate 605, one end of a cylinder 607 is connected with the bearing seat 606 through a bearing, the other end of the cylinder 607 is hinged with a rocker arm 608, the rocker arm 608 is connected with a first turning shaft 609, and the cylinder 607 can drive the first turning shaft 609 to rotate. In order to control the turning angle of the first turning shaft 609, a limiting block 6013 is arranged on the second turning shaft 6010, the limiting block 6013 is used in cooperation with two buffers arranged on a fixing plate 6014, the fixing plate 6014 is arranged on a vertical plate 605, and the two buffers are respectively used for cooperating with the limiting block 6013 when the second turning shaft 6010 rotates forwards and reversely so as to limit the turning angle of the second turning shaft 6010, in this embodiment, the second turning shaft 6010 can rotate forwards by 90 degrees and rotate reversely by 90 degrees.
In a specific use process, the needle holder M is first conveyed by the feeding mechanism 40, and at this time, the needle holder M is in an upright state, and when the needle holder M is detected by the detection optical fiber, it indicates that the feeding mechanism 40 has conveyed the needle holder to a preset position. Under the condition that N material channels 407 are arranged on the material channel plate 406 at intervals, when the detection optical fiber detects a needle holder, the material blocking cylinder 5023 is controlled to lower the material pressing plate 5025, so that the next group of needle holders in the feeding mechanism 40 stays on the feeding mechanism 40. Then, the second mounting plate 506 can move forward by driving the material taking cylinder 505, so that the needle holder at the material receiving slot 5019 is far away from the material channel 407, thereby facilitating the subsequent material taking operation.
When N/2 material channels 407 are spaced on the material channel plate 406, when the detection optical fiber detects a needle holder, the connection plate 5015 is moved in the left/right direction by driving the material staggering cylinder 5016, and then the remaining N/2 material receiving channels 5019 correspond to the material channels 407, so that the needle holder on the material channel 407 can move to the remaining material receiving channels 5019. And then, the material blocking cylinder 5023 is controlled to lower the material pressing plate 5025, so that the next group of needle holders in the feeding mechanism 40 stays on the feeding mechanism 40. Then, the second mounting plate 506 can move forward by driving the material taking cylinder 505, so that the needle holder at the material receiving slot 5019 is far away from the material channel 407, thereby facilitating the subsequent material taking operation.
The lifting cylinder 509 is controlled to move to enable the needle holder to ascend, the needle holder is obtained through the claw fingers 6028, then the material receiving material blocking mechanism 50 is enabled to return to the position, the cylinder 607 is controlled to enable the needle holder to turn over for 90 degrees to be in a horizontal state, then the assembling cylinder 602 and the servo motor 6029 are controlled to move to enable the needle holder to rotate and move forwards, when the needle holder moves to the position of the limiting cylinder 6034, the needle holder and the blood taking needle assembly clamped by the righting mechanism 10 are pre-assembled (one end of the blood taking needle assembly is used for being assembled with a needle base, the other end of the blood taking needle assembly is used for being assembled with the needle holder), at the moment, the limiting cylinder 6034 is in an extending state, then the limiting cylinder 6034 is controlled to contract, and the needle holder rotates to be assembled with the blood taking needle assembly clamped by the righting mechanism 10 for the second time, so that the assembling effect is better.
The device for assembling a needle holder and a lancet assembly according to the present invention can improve the assembly efficiency by the mutual engagement of the respective mechanisms, and can improve the assembly effect by pre-assembling and secondarily assembling the needle holder and the lancet assembly.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present application and its concept within the technical scope of the present application, and shall be covered by the scope of the present application.
Claims (9)
1. A device for assembling a needle holder with a blood collection needle assembly, characterized by: comprises a righting mechanism for righting and clamping the blood taking needle assembly; the feeding mechanism is used for conveying the needle holder to a preset position; the material receiving and blocking mechanism is used for receiving the needle holders from the feeding mechanism and can stop the rest needle holders on the feeding mechanism; the material taking and assembling mechanism is used for obtaining the needle holder on the material receiving and blocking mechanism and can rotate the needle holder to assemble the blood collection needle assembly which is rightly clamped by the righting mechanism after the needle holder is turned over by a preset angle.
2. The device for assembling a needle holder with a lancet assembly of claim 1, wherein: the feeding mechanism comprises a height adjusting mechanism arranged on a bottom plate or a support, a straight vibrating base is arranged on the height adjusting mechanism, a straight vibrating vibrator is arranged on the straight vibrating base, a material channel plate is arranged on the straight vibrating vibrator, N or N/2 material channels are arranged on the material channel plate at intervals, the numerical value of N is consistent with the number of blood taking needle assemblies to be assembled, a material channel pressing plate is arranged on the material channel, and a needle holder passes through the feeding mechanism to vertically convey the blood taking needle assemblies from back to front.
3. The device for assembling a needle holder with a lancet assembly of claim 2, wherein: the material receiving and blocking mechanism comprises a first mounting plate fixed on the bottom plate through a support, a first slide rail is arranged on the first mounting plate and matched with a first slide block arranged on the lower surface of a second mounting plate, a material taking cylinder assembled on the first mounting plate is connected with the second mounting plate, and the second mounting plate can move in the front-back direction through the material taking cylinder; the second mounting plate is oppositely provided with two side vertical plates, a cylinder fixing plate is connected between the two side vertical plates, a lifting cylinder is assembled on the cylinder fixing plate and connected with a third mounting plate, the lower surface of the third mounting plate is connected with a guide shaft, the guide shaft is matched with a linear bearing arranged on the cylinder fixing plate, and the third mounting plate can move along the vertical direction through the lifting cylinder; the third mounting plate is provided with a second slide rail, a second slide block is matched with the second slide rail, the second slide block is connected with a connecting plate, the connecting plate is also connected with a material staggering cylinder assembled on the third mounting plate, the connecting plate can move along the left and right directions through the material staggering cylinder, a linear material receiving tire is connected onto the connecting plate, N material receiving grooves for receiving needle holders from the feeding mechanism are arranged on the linear material receiving tire at intervals, optical fiber detection holes are arranged at the positions, corresponding to the material receiving grooves, of the linear material receiving tire, the optical fiber detection holes are communicated with the material receiving grooves, an optical fiber fixing plate is arranged at the front surface of the linear material receiving tire, N optical fiber mounting holes are arranged on the optical fiber fixing plate at intervals, the optical fiber mounting holes correspond to the optical fiber detection holes in a one-to-one mode, detection optical fibers are assembled at the optical fiber mounting holes, and are connected with a control unit and used for detecting whether the needle holders move to the material receiving grooves or not; still be equipped with on the first mounting panel and keep off material cylinder fixing base, keep off material cylinder fixing base and be located the rear of second mounting panel, be equipped with on the fender material cylinder fixing base and keep off the material cylinder, keep off and be connected with on the material cylinder and keep off the material bottom plate that the material cylinder is connected, set up and be in keep off the material riser at material bottom plate both ends and set up the pressure flitch between two fender riser the spaced is equipped with N or N2 depression bars on the pressure flitch, the number of depression bar with the number of material way is unanimous, the depression bar is in the lower surface department of pressure flitch.
4. The device for assembling a needle holder with a lancet assembly of claim 3, wherein: the material taking and assembling mechanism comprises a fourth mounting plate, the fourth mounting plate is positioned below the first mounting plate, two third sliding blocks are arranged on the lower surface of the fourth mounting plate and matched with third sliding rails arranged on a bottom plate, an assembling cylinder connected with the fourth mounting plate is further arranged on the bottom plate, and the fourth mounting plate can move along the front-back direction through the assembling cylinder; the fourth mounting plate is oppositely provided with two vertical plates, one vertical plate is connected with the first turnover shaft through a bearing, the other vertical plate is connected with the second turnover shaft through a bearing, a bearing seat is arranged on the vertical plate, one end of a cylinder is connected with the bearing seat through a bearing, the other end of the cylinder is hinged with a rocker arm, the rocker arm is connected with the first turnover shaft, and the cylinder can drive the first turnover shaft to rotate; the first turnover shaft is connected with a first connecting plate, the second turnover shaft is connected with a second connecting plate, a lower cover plate and a motor seat plate are sequentially connected between the first connecting plate and the second connecting plate along the front-back direction, the lower cover plate and the motor seat plate are connected through motor support plates, a positioning wall plate is connected between the two motor support plates, the lower cover plate is connected with an upper cover plate, the lower cover plate and the upper cover plate are matched to form N first bearing mounting holes, rolling bearings are arranged at the first bearing mounting holes, bearing baffle plates are arranged on the front surfaces of the lower cover plate and the upper cover plate, N second bearing mounting holes are arranged on the positioning wall plate at intervals, the rolling bearings are arranged at the second bearing mounting holes, bearing pressing plates are arranged on the front surface of the positioning wall plate, the first bearing mounting holes correspond to the second bearing mounting holes one by one, a shaft sleeve is connected to the rolling bearings of the corresponding first bearing mounting holes and the second bearing mounting holes, and the N shaft sleeves can rotate under the action of a driving mechanism; the needle holder is characterized in that a rotating shaft is arranged in the shaft sleeve, an air claw is arranged at the front end of the rotating shaft, and a claw finger used for obtaining the needle holder is arranged on the air claw.
5. The device for assembling a needle holder with a lancet assembly of claim 4, wherein: the front end of the bottom plate is provided with a limiting cylinder used for limiting the forward movement position of the fourth mounting plate, and the material taking and assembling mechanism can be preassembled and secondarily assembled through the limiting cylinder.
6. The device for assembling a needle holder with a lancet assembly of claim 4, wherein: the driving mechanism comprises N servo motors connected to the motor seat plate, the servo motors drive driving gears to rotate, the driving gears are meshed with driven gears arranged on the shaft sleeves, and the shaft sleeves can rotate through the servo motors.
7. The device for assembling a needle holder with a lancet assembly of claim 4 or 6, wherein: be equipped with the photoelectric mounting panel on the upper cover plate, the lower surface interval of photoelectric mounting panel is equipped with a N cell type photoelectric switch, all is equipped with the photoelectric sensing pole that uses with cell type photoelectric switch cooperation on every axle sleeve.
8. The device for assembling a needle holder with a lancet assembly of claim 4, wherein: two needle holder stoppers are symmetrically arranged on the air claw.
9. The device for assembling a needle holder with a lancet assembly of claim 4, wherein: the second turnover shaft is provided with a limiting block, the limiting block is matched with two buffers arranged on a fixing plate for use, the fixing plate is arranged on a vertical plate, and the two buffers are respectively matched with the limiting block when the second turnover shaft rotates forwards and reversely so as to limit the turnover angle of the second turnover shaft.
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| CN202210620693.9A CN115194432B (en) | 2022-06-02 | 2022-06-02 | Device for assembling needle holder and blood taking needle assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210620693.9A CN115194432B (en) | 2022-06-02 | 2022-06-02 | Device for assembling needle holder and blood taking needle assembly |
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| CN115194432B CN115194432B (en) | 2024-03-26 |
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| CN110814744A (en) * | 2019-11-29 | 2020-02-21 | 山东铭智达自动化科技有限公司 | Automatic all-in-one clamp assembly line |
| CN113044547A (en) * | 2021-04-23 | 2021-06-29 | 玉环天来科技有限公司 | Self-destruction sheath assembling mechanism of injection needle |
| CN113636281A (en) * | 2021-09-07 | 2021-11-12 | 苏州铭美自动化科技有限公司 | Sideslip branch material sequencing equipment |
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| CN101081320A (en) * | 2007-06-27 | 2007-12-05 | 王兴章 | Neilsbed seal ring assembling device of the safety type self-destructing syringe assembly machine |
| CN103358111A (en) * | 2013-07-24 | 2013-10-23 | 台州迈得医疗工业设备股份有限公司 | Method and device for automatically assembling blood blocking sleeve in blood taking needle |
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| CN113636281A (en) * | 2021-09-07 | 2021-11-12 | 苏州铭美自动化科技有限公司 | Sideslip branch material sequencing equipment |
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|---|---|
| CN115194432B (en) | 2024-03-26 |
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