Needle cap heat sealing device and blood collection equipment

Abstract

The embodiments of the present invention provide a needle cap heat-sealing device and a blood sampling device. The needle cap heat-sealing device includes a clamping mechanism, a driving mechanism, and a heat-sealing caliper mechanism, wherein the clamping mechanism includes a needle cap clamping mechanism for clamping a needle cap and a needle clamping mechanism for clamping a needle. The driving mechanism drives at least one of the needle cap clamping mechanism and the needle clamping mechanism to move so that the needle cap and the needle are docked. The heat-sealing caliper mechanism is used to heat-seal a blood transfusion tube connected to the needle after the needle cap and the needle are docked. Since the heat-sealing caliper mechanism is used to heat-seal a blood transfusion tube connected to the needle after the needle cap and the needle are docked, not only can the heat-sealed part of the blood transfusion tube and the needle be easily broken, facilitating the separation of the needle from the blood transfusion tube, but also the blood in the needle is prevented from dripping from the needle rod due to the squeezing of the heat-sealing caliper mechanism during the heat-sealing process, thereby avoiding contamination.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a needle cap heat-sealing device and a blood sampling device. Background Art

[0002] After blood is collected in various scenarios such as blood stations, blood collection vehicles, and blood collection rooms, the needle needs to be separated from the blood transfusion tube and discarded at a designated location for centralized destruction. However, since residual blood remains in the needle after blood collection, the blood in the needle is likely to drip out of the needle during the separation process, causing contamination. Summary of the invention

[0003] The embodiments of the present invention provide a needle cap heat-sealing device and a blood collection device to solve the above-mentioned technical problems.

[0004] The embodiments of the present invention achieve the above-mentioned purpose through the following technical solutions.

[0005] In a first aspect, an embodiment of the present invention provides a needle cap heat-sealing device, which includes a clamping mechanism, a driving mechanism, and a heat-sealing caliper mechanism, wherein the clamping mechanism includes a needle cap clamping mechanism for clamping a needle cap and a needle clamping mechanism for clamping a needle. The driving mechanism drives at least one of the needle cap clamping mechanism and the needle clamping mechanism to move so that the needle cap and the needle are docked. The heat-sealing caliper mechanism is used to heat-seal a blood transfusion tube connected to the needle after the needle cap and the needle are docked.

[0006] In some embodiments, the driving mechanism drives the needle cap clamping mechanism to move back and forth along a first path so that the needle cap is docked with the needle head, and the first path includes multiple straight path segments.

[0007] In some embodiments, the driving mechanism drives the needle clamping mechanism to move back and forth along a first path so that the needle docks with the needle cap, and the first path includes multiple straight paths.

[0008] In some embodiments, the drive mechanism includes a first drive component and a second drive component, the first drive component drives the needle cap clamping mechanism to move back and forth along a first path, and the second drive component drives the needle cap clamping mechanism to move back and forth along a second path, and the second path is distinct from and connected to the first path.

[0009] In some embodiments, the first path and the second path each include at least one straight path.

[0010] In some embodiments, the first path includes a curved path, and the second path includes at least one straight path.

[0011] In some embodiments, the first drive assembly includes a first direction needle cap drive unit and a second direction needle cap drive unit, the first direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth in a straight line in a first direction, and the second direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth in a straight line in a second direction, and the first direction is different from the second direction. The second drive assembly includes a first direction needle drive unit, and the first direction needle drive unit drives the needle clamping mechanism to move back and forth in a straight line in the first direction.

[0012] In some embodiments, the first drive assembly includes a first direction needle cap drive unit and a second direction needle cap drive unit, the first direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth in a straight line in a first direction, and the second direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth in a straight line in a second direction, and the first direction is different from the second direction. The second drive assembly includes a first direction needle drive unit and a second direction needle drive unit, the first direction needle drive unit drives the needle clamping mechanism to move back and forth in a straight line in the first direction, and the second direction needle drive unit drives the needle clamping mechanism to move back and forth in a straight line in the second direction.

[0013] In some embodiments, the first drive assembly includes a first direction needle cap drive unit, which drives the needle cap clamping mechanism to move back and forth along a curved path. The second drive assembly includes a first direction needle drive unit, which drives the needle clamping mechanism to move back and forth along a straight path.

[0014] In some embodiments, the first direction needle cap driving unit includes a first needle cap driving bracket, a first needle cap guide pair and a first needle cap driving module, the first needle cap guide pair and the first needle cap driving module are both mounted on the first needle cap driving bracket, and the needle cap clamping mechanism is respectively connected to the slider of the first needle cap guide pair and the first needle cap driving module. The second direction needle cap driving unit includes a second needle cap driving bracket, a second needle cap guide pair and a second needle cap driving module, the second needle cap guide pair and the second needle cap driving module are both mounted on the second needle cap driving bracket, and the first needle cap driving bracket is respectively connected to the slider of the second needle cap guide pair and the second needle cap driving module.

[0015] In some embodiments, the first needle cap drive module includes a first needle cap drive motor, a first needle cap main synchronous wheel fixedly connected to the output shaft of the first needle cap drive motor, a first needle cap slave synchronous wheel and a first needle cap synchronous belt, the first needle cap drive motor is mounted on the first needle cap drive bracket, the first needle cap slave synchronous wheel is rotatably mounted on the first needle cap drive bracket, the first needle cap synchronous belt is sleeved on the first needle cap main synchronous wheel and the first needle cap slave synchronous wheel, and the needle cap clamping mechanism is connected to the first needle cap synchronous belt. The second needle cap drive module includes a second needle cap drive motor, a second needle cap main synchronous wheel fixedly connected to the output shaft of the second needle cap drive motor, a second needle cap slave synchronous wheel and a second needle cap synchronous belt, the second needle cap drive motor is mounted on the second needle cap drive bracket, the second needle cap slave synchronous wheel is rotatably mounted on the second needle cap drive bracket, the second needle cap synchronous belt is sleeved on the second needle cap main synchronous wheel and the second needle cap slave synchronous wheel, the needle cap clamping mechanism is connected to the second needle cap synchronous belt, and the first needle cap drive bracket is connected to the second needle cap synchronous belt.

[0016] In some embodiments, the first direction needle drive unit includes a first needle drive bracket, a first needle guide pair and a first needle drive module. The first needle guide pair and the first needle drive module are both installed on the first needle drive bracket, and the needle clamping mechanism is respectively connected to the slider of the first needle guide pair and the first needle drive module.

[0017] In some embodiments, the first needle drive module includes a first needle drive motor, a first needle main synchronous wheel fixedly connected to the output shaft of the first needle drive motor, a first needle slave synchronous wheel and a first needle synchronous belt, the first needle drive motor is installed on the first needle drive bracket, the first needle slave synchronous wheel is rotatably installed on the first needle drive bracket, the first needle synchronous belt is sleeved on the first needle main synchronous wheel and the first needle slave synchronous wheel, and the needle clamping mechanism is connected to the first needle synchronous belt.

[0018] In some embodiments, the first direction needle cap driving unit includes a first needle cap driving bracket, a first guide unit, a second guide unit and a first needle cap driving module, the first guide unit is mounted on the first needle cap driving bracket, and the guiding direction of the first guide unit is different from the extension direction of the straight path. The second guide unit is mounted on the first guide unit, and the needle cap clamping mechanism is mounted on the second guide unit, and the guiding direction of the second guide unit is parallel to the extension direction of the straight path. The first needle cap driving module drives the needle cap clamping mechanism to simultaneously change the displacement in the guiding direction of the first guide unit and the guiding direction of the second guide unit to form a curved path motion.

[0019] In some embodiments, the first guide unit includes a first needle cap guide pair, the first needle cap guide pair is mounted on the first needle cap driving bracket, and the sliding direction of the slider of the first needle cap guide pair is the guiding direction of the first guide unit. The second guide unit includes a first needle cap slider and a pin fixedly mounted on the slider of the first needle cap guide pair, the first needle cap slider is provided with a slide groove, the pin is located in the slide groove, the needle cap clamping mechanism is fixedly mounted on the first needle cap slider, and the extension direction of the slide groove is the guiding direction of the second guide unit. The first needle cap driving module is a rotary driving module, and the first needle cap driving module includes a third needle cap driving motor and a connecting member, one end of the connecting member is connected to the output shaft of the third needle cap driving motor, and the other end of the connecting member is hinged to the first needle cap slider.

[0020] In some embodiments, the first direction needle driving unit is a linear guide slide module, and the needle clamping mechanism is connected to the slide of the linear guide slide module.

[0021] In some embodiments, the driving mechanism further includes a third driving assembly, and the third driving assembly drives the heat sealing caliper mechanism to reciprocate along a third path, and the third path, the second path, and the first path are all different.

[0022] In some embodiments, the driving mechanism includes a rotary driving assembly, which drives the needle clamping mechanism to reciprocate.

[0023] In some embodiments, the needle cap clamping mechanism and the needle clamping mechanism both include a clamping bracket, a first clamping member and a second clamping member, at least one of the first clamping member and the second clamping member is slidably mounted on the clamping bracket, and a clamping space is enclosed between the first clamping member and the second clamping member.

[0024] In some embodiments, the needle cap clamping mechanism and the needle clamping mechanism also include a clamping drive motor and a clamping transmission assembly, the clamping transmission assembly is connected between the first clamping member and the clamping drive motor, and is connected between the second clamping member and the clamping drive motor, the clamping drive motor drives the clamping transmission assembly to move to drive the first clamping member and the second clamping member to selectively move away from or towards each other.

[0025] In some embodiments, the clamping transmission assembly includes a linkage shaft, a first transmission member, a second transmission member, and a transmission cam, wherein the linkage shaft is slidably mounted on the clamping bracket along the radial direction of the linkage shaft. The first transmission member is hinged to the linkage shaft and the first clamping member, respectively. The second transmission member is hinged to the linkage shaft and the second clamping member, respectively. The transmission cam abuts against the linkage shaft and is connected to the output shaft of the clamping drive motor, and the rotation of the transmission cam drives the linkage shaft to slide.

[0026] In some embodiments, the clamping space is used to accommodate the needle cap and needle installed along the installation direction, and the installation direction is parallel to the axial direction of the needle. The needle cap clamping mechanism and the needle clamping mechanism both include a limiter, which limits the movement of the needle cap and the needle along the installation direction.

[0027] In some embodiments, the needle clamping mechanism further includes a needle clamping piece, which is protruding from the surface of the second clamping piece facing the clamping space. The needle clamping piece of the needle clamping mechanism in the clamping state is clamped in the needle slot to limit the movement of the needle.

[0028] In some embodiments, the first clamping member is fixedly connected to the clamping bracket, and the second clamping member is slidably mounted on the clamping bracket. The clamping mechanism also includes a clamping drive motor and a clamping transmission assembly, the clamping transmission assembly is connected between the second clamping member and the clamping drive motor, and the clamping drive motor drives the clamping transmission assembly to move so as to drive the second clamping member to selectively move toward or away from the first clamping member.

[0029] In some embodiments, the clamping transmission assembly includes a crank and a connecting rod, the crank is connected to the output shaft of the clamping drive motor, the connecting rod is hinged between the crank and the second clamping member, the hinge between the connecting rod and the crank deviates from the rotating axis of the crank, and the clamping drive motor drives the crank to move to drive the second clamping member to move.

[0030] In a second aspect, an embodiment of the present invention further provides a blood collection device, which includes a housing and a needle cap heat-sealing device according to any of the above embodiments, wherein the needle cap heat-sealing device is installed on the housing.

[0031] In the needle capping heat-sealing device and blood collection equipment provided by the embodiments of the present invention, the clamping mechanism clamps the needle cap through the needle cap clamping mechanism, and the clamping mechanism also clamps the needle through the needle clamping mechanism, and the driving mechanism drives at least one of the needle cap clamping mechanism and the needle clamping mechanism to move to make the needle cap dock with the needle, thereby covering the needle cap on the needle, and since the heat-sealing caliper mechanism is used to heat-seal the blood transfusion tube connected to the needle after the needle cap and the needle are docked, not only can the heat-sealed part of the blood transfusion tube and the needle be easily broken, which is convenient for separating the needle from the blood transfusion tube, but also the blood in the needle is prevented from dripping from the needle rod due to the squeezing of the heat-sealing caliper mechanism during the heat-sealing process of the blood transfusion tube, thereby avoiding contamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0033] Figures 1 to 3 A schematic structural diagram of a needle cap heat-sealing device according to an embodiment of the present invention is shown.

[0034] Figure 4 Shows Figure 1 A schematic diagram of the partial structure of a needle cap heat-sealing device.

[0035] Figure 5 Shows Figure 1 Another partial structural schematic diagram of the needle capping heat sealing device.

[0036] Figure 6 Shows Figure 1 A structural schematic diagram of a needle cap clamping mechanism of a needle cap heat-sealing device in a clamping state.

[0037] Figure 7 Shows Figure 1 A structural schematic diagram of a needle cap holding mechanism of a needle cap heat-sealing device in a released state.

[0038] Figure 8 Shows Figure 6 Schematic diagram of the exploded view of the needle cap clamping mechanism.

[0039] Fig. 9 Shows Figure 1 A structural schematic diagram of a needle clamping mechanism of a needle capping heat-sealing device in a released state.

[0040] Figures 10 to 12 A schematic structural diagram of a needle cap heat-sealing device according to another embodiment of the present invention is shown.

[0041] Fig.13 Shows Fig.10 A structural schematic diagram of a needle cap clamping mechanism of a needle cap heat-sealing device in a clamping state.

[0042] Fig.14 Shows Fig.10 A structural schematic diagram of a needle cap holding mechanism of a needle cap heat-sealing device in a released state.

[0043] Fig.15 Shows Fig.10 A structural schematic diagram of a needle clamping mechanism of a needle capping heat-sealing device in a clamping state.

[0044] Fig.16 Shows Fig.10 A structural schematic diagram of a needle clamping mechanism of a needle capping heat-sealing device in a released state.

[0045] Fig.17 Shows Fig.15 Schematic diagram of the partial structure of the needle clamping mechanism.

[0046] Fig.18 The schematic diagram of the structure of the needle and the blood transfusion tube in the prior art is shown.

[0047] Fig.19 A schematic diagram showing a portion of the driving method of the needle capping heat-sealing device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0048] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention. The technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention.

[0049] See also Figure 1 The embodiment of the present invention provides a needle cap heat-sealing device 100. The needle cap heat-sealing device 100 can cover the needle cap 200 on the needle 300, which is convenient for separating the needle 300 from the blood transfusion tube 400, and can prevent residual blood from dripping during the separation of the needle 300 from the blood transfusion tube 400. The needle cap heat-sealing device 100 includes a clamping mechanism 10, a driving mechanism 20, and a heat-sealing caliper mechanism 30. The clamping mechanism 10 is used to clamp the needle cap 200 and the needle 300. The driving mechanism 20 can drive the clamping mechanism 10 to move so that the needle cap 200 and the needle 300 are connected. The heat-sealing caliper mechanism 30 can heat-seal the blood transfusion tube 400 connected to the needle 300 after the needle cap 200 and the needle 300 are connected.

[0050] The clamping mechanism 10 includes a needle cap clamping mechanism 40 and a needle head clamping mechanism 50 . The needle cap clamping mechanism 40 is used to clamp the needle cap 200 , and the needle head clamping mechanism 50 is used to clamp the needle head 300 .

[0051] The driving mechanism 20 drives at least one of the needle cap clamping mechanism 40 and the needle head clamping mechanism 50 to move, so that the needle cap 200 is docked with the needle head 300, so that the needle cap 200 can be covered on the needle head 300. For example, in the first driving mode, the driving mechanism 20 drives both the needle cap clamping mechanism 40 and the needle head clamping mechanism 50 to move, so that the needle cap 200 is docked with the needle head 300. For another example, in the second driving mode, the driving mechanism 20 drives the needle cap clamping mechanism 40 to move, so that the needle cap 200 is docked with the needle head 300. For another example, in the third driving mode, the driving mechanism 20 drives the needle head clamping mechanism 50 to move, so that the needle head 300 is docked with the needle cap 200.

[0052] In the case of the first drive mode, see Figures 1 to 3 The drive mechanism 20 may include a first drive assembly 60 and a second drive assembly 70, and the first drive assembly 60 and the second drive assembly 70 may be connected. The first drive assembly 60 may be connected to the needle cap clamping mechanism 40, and the first drive assembly 60 may drive the needle cap clamping mechanism 40 to move. The second drive assembly 70 may be connected to the needle clamping mechanism 50, and the second drive assembly 70 may drive the needle clamping mechanism 50 to move.

[0053] The first driving assembly 60 can drive the needle cap clamping mechanism 40 to move back and forth along the first path, and the first path may include at least one straight path. For example, the first path may include one straight path; for another example, the first path may include two straight paths, the extension directions of the two straight paths may be different and connected, and the lengths of the two straight paths may be the same or different; for another example, the first path may include three straight paths, the three straight paths may be connected, the extension directions of two of the straight paths may be different, and the extension direction of the remaining straight path may be the same as the extension direction of one of the two straight paths. In other embodiments, the number of straight paths included in the first path may also be four, five, or six, etc., which are not listed here one by one.

[0054] The first drive assembly 60 may include a first direction needle cap drive unit 61, which may be connected to the needle cap clamping mechanism 40. The first direction needle cap drive unit 61 may drive the needle cap clamping mechanism 40 to move back and forth in a straight line along a first direction, thereby enabling the needle cap clamping mechanism 40 to move along a straight line path. The first direction may be Figures 1 to 3 The X-axis direction.

[0055] The first direction needle cap driving unit 61 may include a first needle cap driving bracket 62, a first needle cap guide pair 63 and a first needle cap driving module 64, and the first needle cap guide pair 63 and the first needle cap driving module 64 may be mounted on the first needle cap driving bracket 62. The first needle cap driving bracket 62 may serve as a base of the first direction needle cap driving unit 61 and carry structures such as the first needle cap guide pair 63 and the first needle cap driving module 64, and the first needle cap driving bracket 62 may also serve as a connector of the first direction needle cap driving unit 61 to facilitate connection and combination with other structures.

[0056] The first needle cap guide pair 63 may be a universal part to simplify the manufacturing difficulty and manufacturing cost of the first drive assembly 60. The guide member of the first needle cap guide pair 63 may be fixedly connected to the first needle cap drive bracket 62, for example, the guide member of the first needle cap guide pair 63 may be connected to the first needle cap drive bracket 62 by fasteners such as bolts and screws. The slider of the first needle cap guide pair 63 may be connected to the needle cap clamping mechanism 40, for example, the slider of the first needle cap guide pair 63 may be connected to the needle cap clamping mechanism 40 by fasteners such as bolts and screws.

[0057] The first needle cap driving module 64 can be connected to the needle cap clamping mechanism 40, so that the first needle cap driving module 64 can drive the needle cap clamping mechanism 40 to slide on the first needle cap guide rail pair 63. The first needle cap driving module 64 can include a first needle cap driving motor 641, a first needle cap master synchronous wheel, a first needle cap slave synchronous wheel 643 and a first needle cap synchronous belt 645, and the first needle cap driving motor 641 and the first needle cap slave synchronous wheel 643 can be installed on the first needle cap driving bracket 62.

[0058] The body of the first needle cap driving motor 641 can be fixedly connected to the first needle cap driving bracket 62 by fasteners such as bolts and screws, and the output shaft of the first needle cap driving motor 641 can be fixedly connected to the first needle cap main synchronous wheel. The first needle cap slave synchronous wheel 643 is rotatably mounted on the first needle cap driving bracket 62, and the first needle cap synchronous belt 645 is sleeved on the first needle cap main synchronous wheel and the first needle cap slave synchronous wheel 643, so that the first needle cap driving motor 641 can drive the first needle cap synchronous belt 645 to drive, and realize the belt transmission effect. The first needle cap synchronous belt 645 can be connected to the needle cap clamping mechanism 40, so that under the drive of the first needle cap driving motor 641, the first needle cap synchronous belt 645 can drive the needle cap clamping mechanism 40 to move. The first needle cap driving module 64 adopts a synchronous belt to drive the needle cap clamping mechanism 40 to move, which helps to adapt the needle cap clamping mechanism 40 to move along a straight path.

[0059] The first drive assembly 60 may further include a second direction needle cap drive unit 66, which may drive the needle cap clamping mechanism 40 to move back and forth in a straight line along a second direction. The first direction is different from the second direction, so that the needle cap clamping mechanism 40 may move along a straight line path that is greater than or equal to two segments. The second direction may be Figures 1 to 3 In this way, the needle cap clamping mechanism 40 can be driven by the first direction needle cap driving unit 61 and the second direction needle cap driving unit 66 to move to a position far away from the needle clamping mechanism 50, so that the needle cap clamping mechanism 40 and the needle clamping mechanism 50 are not too close to each other, which is convenient for the nursing staff to place the needle cap 200 on the needle cap clamping mechanism 40, and convenient for the nursing staff to place the needle 300 on the needle clamping mechanism 50.

[0060] In addition, since the needle 300 may be squeezed by the clamping force of the needle clamping mechanism 50 when the needle clamping mechanism 50 is clamping the needle 300, the residual blood in the needle 300 may drip around the needle clamping mechanism 50. Before the needle cap 200 is docked with the needle 300, the first drive assembly 60 drives the needle cap clamping mechanism 40 to a position away from the needle clamping mechanism 50. This can reduce the risk of nursing staff being contaminated by blood dripping near the needle clamping mechanism 50 when placing the needle cap 200 on the needle cap clamping mechanism 40 and directly giving the blood donor an injection, thereby causing medical infection to the blood donor.

[0061] The second direction needle cap drive unit 66 can be connected to the first direction needle cap drive unit 61, and the second direction needle cap drive unit 66 can drive the first direction needle cap drive unit 61 to move back and forth in a straight line along the second direction, thereby driving the needle cap clamping mechanism 40 to move back and forth in a straight line along the second direction. The structure of the second direction needle cap drive unit 66 can be the same or different or partially the same as the structure of the first direction needle cap drive unit 61. For example, the second direction needle cap drive unit 66 may include a second needle cap drive bracket 67, a second needle cap guide pair 68, and a second needle cap drive module 69, and the second needle cap guide pair 68 and the second needle cap drive module 69 are both installed on the second needle cap drive bracket 67.

[0062] The second needle cap driving bracket 67 can serve as the base of the second direction needle cap driving unit 66 and carry the second needle cap guide pair 68, the second needle cap driving module 69 and other structures. The second needle cap driving bracket 67 can also serve as a connecting piece of the second direction needle cap driving unit 66 to facilitate connection and combination with other structures.

[0063] The second needle cap guide pair 68 can be a universal part to simplify the manufacturing difficulty and manufacturing cost of the first drive assembly 60. The guide member of the second needle cap guide pair 68 can be fixedly connected to the second needle cap drive bracket 67, for example, the guide member of the second needle cap guide pair 68 can be connected to the second needle cap drive bracket 67 by fasteners such as bolts and screws. The slider of the second needle cap guide pair 68 can be connected to the first needle cap drive bracket 62, for example, the slider of the second needle cap guide pair 68 can be connected to the first needle cap drive bracket 62 by fasteners such as bolts and screws. The number of the second needle cap guide pair 68 can be two, and the two second needle cap guide pairs 68 are spaced and distributed in the second needle cap drive bracket 67, and the two second needle cap guide pairs 68 are connected to the first needle cap drive bracket 62, so as to help improve the stability of the second direction needle cap drive unit 66 driving the first direction needle cap drive unit 61 to slide.

[0064] The second needle cap driving module 69 can be connected to the first needle cap driving bracket 62, so that the second needle cap driving module 69 can drive the first direction needle cap driving unit 61 to slide on the second needle cap guide rail pair 68. The second needle cap driving module 69 can include a second needle cap driving motor 691, a second needle cap main synchronous wheel, a second needle cap slave synchronous wheel 693 and a second needle cap synchronous belt 695, and the second needle cap driving motor 691 and the second needle cap slave synchronous wheel 693 can be installed on the second needle cap driving bracket 67.

[0065] The body of the second needle cap driving motor 691 can be fixedly connected to the second needle cap driving bracket 67 by fasteners such as bolts and screws, and the output shaft of the second needle cap driving motor 691 can be fixedly connected to the second needle cap main synchronous wheel. The second needle cap slave synchronous wheel 693 is rotatably mounted on the second needle cap driving bracket 67, and the second needle cap synchronous belt 695 is sleeved on the second needle cap main synchronous wheel and the second needle cap slave synchronous wheel 693, so that the second needle cap driving motor 691 can drive the second needle cap synchronous belt 695 to drive, and realize the belt transmission effect. The second needle cap synchronous belt 695 can be connected to the first needle cap driving bracket 62, and under the drive of the second needle cap driving motor 691, the second needle cap synchronous belt 695 can drive the first direction needle cap driving unit 61 to move, and then drive the needle cap clamping mechanism 40 to move. The second needle cap driving module 69 adopts a synchronous belt to drive the needle cap clamping mechanism 40 to move, which helps to adapt the needle cap clamping mechanism 40 to move along a straight path.

[0066] The second drive assembly 70 can drive the needle clamping mechanism 50 to move back and forth along the second path, and the second path is different from and connected to the first path. The second path may include at least one straight path, for example, the second path may include one straight path; for another example, the second path may include two straight paths, the extension directions of the two straight paths may be different and connected, and the lengths of the two straight paths may be the same or different; for another example, the second path may include three straight paths, the three straight paths may be connected, the extension directions of two straight paths may be different, and the extension direction of the remaining straight path may be the same as the extension direction of one of the two straight paths. In other embodiments, the number of straight paths included in the second path may also be four, five, or six, etc., which are not listed here one by one.

[0067] The second drive assembly 70 may include a first direction needle drive unit 71, which may be connected to the needle clamping mechanism 50. The first direction needle drive unit 71 may drive the needle clamping mechanism 50 to reciprocate in a straight line along a first direction, thereby enabling the needle clamping mechanism 50 to move along a straight path.

[0068] The structure of the first direction needle drive unit 71 may be the same as, different from, or partially the same as the structure of the first direction needle cap drive unit 61. For example, the first direction needle drive unit 71 may include a first needle drive bracket 72, a first needle guide pair 73, and a first needle drive module 74, and the first needle guide pair 73 and the first needle drive module 74 may be installed on the first needle drive bracket 72.

[0069] The first needle drive bracket 72 can serve as the base of the first direction needle drive unit 71 and carry structures such as the first needle guide pair 73 and the first needle drive module 74. The first needle drive bracket 72 can also serve as a connecting piece of the first direction needle drive unit 71 to facilitate connection and combination with other structures.

[0070] The first needle guide pair 73 may be a universal part to simplify the manufacturing difficulty and manufacturing cost of the second drive assembly 70. The guide member 731 of the first needle guide pair 73 may be fixedly connected to the first needle drive bracket 72, for example, the guide member 731 of the first needle guide pair 73 may be connected to the first needle drive bracket 72 by fasteners such as bolts and screws. The slider 733 of the first needle guide pair 73 may be connected to the needle clamping mechanism 50, for example, the slider 733 of the first needle guide pair 73 and the needle clamping mechanism 50 may be connected by fasteners such as bolts and screws.

[0071] The first needle drive module 74 can be connected to the needle clamping mechanism 50, so that the first needle drive module 74 can drive the needle clamping mechanism 50 to slide on the first needle guide pair 73. The first needle drive module 74 can include a first needle drive motor 741, a first needle slave synchronous wheel 743 and a first needle synchronous belt 745, and the first needle drive motor 741 and the first needle slave synchronous wheel 743 can be installed on the first needle drive bracket 72.

[0072] The body of the first needle drive motor 741 can be fixedly connected to the first needle drive bracket 72 by fasteners such as bolts and screws, and the output shaft of the first needle drive motor 741 can be connected to the first needle synchronous belt 745. The first needle slave synchronous wheel 743 is rotatably mounted on the first needle drive bracket 72, and the first needle synchronous belt 745 is sleeved on the first needle drive motor 741 and the first needle slave synchronous wheel 743, so as to drive the first needle synchronous belt 745 to achieve a belt transmission effect. The first needle synchronous belt 745 can be connected to the needle clamping mechanism 50, and under the drive of the first needle cap drive motor 641, the first needle synchronous belt 745 can drive the needle clamping mechanism 50 to move. The first needle drive module 74 uses a synchronous belt to drive the needle clamping mechanism 50 to move, which helps to adapt the needle clamping mechanism 50 to move along a straight path.

[0073] The second drive assembly 70 may also include a second direction needle drive unit (not shown), which may drive the needle clamping mechanism 50 to move back and forth in a straight line along the second direction. The first direction is distinguished from the second direction, so that the needle clamping mechanism 50 may move along a straight line path of more than or equal to two sections. Then, the needle clamping mechanism 50 may move to a position far away from the needle cap clamping mechanism 40 under the drive of the first direction needle drive unit 71 and the second direction needle drive unit, so that the needle clamping mechanism 50 and the needle cap clamping mechanism 40 are not too close to each other, so that it is convenient for the nursing staff to place the needle 300 on the needle clamping mechanism 50, and convenient for the nursing staff to place the needle cap 200 on the needle cap clamping mechanism 40. In addition, since the needle clamping mechanism 50 may cause residual blood in the needle 300 to drip around the needle clamping mechanism 50 during the process of clamping the needle 300, the second drive assembly 70 can drive the needle clamping mechanism 50 to a position away from the needle cap clamping mechanism 40 to clamp the needle 300, which helps to reduce the situation where the nursing staff is contaminated by blood dripping near the needle cap clamping mechanism 40 during the process of placing the needle cap 200 on the needle cap clamping mechanism 40.

[0074] The second direction needle driving unit can be connected to the first direction needle driving unit 71, and the second direction needle driving unit can drive the first direction needle driving unit 71 to move back and forth in a straight line along the second direction, thereby driving the needle clamping mechanism 50 to move back and forth in a straight line along the second direction.

[0075] The structure of the second direction needle drive unit may be the same, different or partially the same as the structure of the first direction needle drive unit 71. For example, the second direction needle drive unit may include a second needle drive bracket, a second needle guide pair and a second needle drive module, and the second needle guide pair and the second needle drive module are both installed on the second needle drive bracket.

[0076] The second needle drive bracket can be used as the base of the second direction needle drive unit and carry the second needle guide pair, the second needle drive module and other structures. The second needle drive bracket can also be used as a connector of the second direction needle drive unit to facilitate connection and combination with other structures. The second needle guide pair can adopt universal parts to simplify the manufacturing difficulty and manufacturing cost of the second drive assembly 70. The guide member of the second needle guide pair can be fixedly connected to the second needle drive bracket, for example, the guide member of the second needle guide pair can be connected to the second needle drive bracket by fasteners such as bolts and screws. The slider of the second needle guide pair can be connected to the first needle drive bracket 72, for example, the slider of the second needle guide pair can be connected to the first needle drive bracket 72 by fasteners such as bolts and screws.

[0077] The second needle drive module can be connected to the first needle drive bracket 72, so that the second needle drive module can drive the first direction needle drive unit 71 to slide on the second needle guide pair. The second needle drive module can include a second needle drive motor, a first needle master synchronous wheel, a second needle slave synchronous wheel and a second needle synchronous belt, and the second needle drive motor and the second needle slave synchronous wheel can be installed on the second needle drive bracket.

[0078] The body of the second needle drive motor can be fixedly connected to the second needle drive bracket by fasteners such as bolts and screws, and the output shaft of the second needle drive motor can be fixedly connected to the first needle main synchronous wheel. The second needle slave synchronous wheel is rotatably mounted on the second needle drive bracket, and the second needle synchronous belt is sleeved on the first needle main synchronous wheel and the second needle slave synchronous wheel, so that the second needle drive motor can drive the second needle synchronous belt transmission to achieve a belt transmission effect. The second needle synchronous belt can be connected to the first needle drive bracket 72, and then under the drive of the second needle cap drive motor, the second needle synchronous belt can drive the first direction needle drive unit 71 to move, and then drive the needle clamping mechanism 50 to move. The second needle drive module uses a synchronous belt to drive the needle clamping mechanism 50 to move, thereby helping to adapt the needle clamping mechanism 50 to move along a straight path.

[0079] In some embodiments, the straight path in the first path may also be replaced by a curved path. Figures 10 to 12 As shown, the first path may include a curved path, and the first direction needle cap driving unit 61' may drive the needle cap clamping mechanism 40' to move back and forth along the curved path.

[0080] The structure of the first direction needle cap driving unit 61' to realize the reciprocating movement of the needle cap clamping mechanism 40' along the curved path is similar to the above Figures 1 to 3 The structure of the first direction needle cap driving unit 61 in the embodiment for realizing the reciprocating motion of the needle cap clamping mechanism 40 along the straight path can be different. For example, the first direction needle cap driving unit 61' for realizing the reciprocating motion of the needle cap clamping mechanism 40' along the curved path can include a first needle cap driving bracket 62', a first guide unit, a second guide unit and a first needle cap driving module. The first guide unit is installed on the first needle cap driving bracket 62', and the guiding direction of the first guide unit is different from the extension direction of the straight path. The second guide unit is installed on the first guide unit, and the needle cap clamping mechanism 40' is installed on the second guide unit, and the guiding direction of the second guide unit is parallel to the extension direction of the straight path. The first needle cap driving module 64' drives the needle cap clamping mechanism 40' to simultaneously change its displacement in the guiding direction of the first guide unit and the guiding direction of the second guide unit to form a curved path motion.

[0081] The first guide unit may include a first needle cap guide pair 63', and the first guide unit may include a first needle cap slide 65 and a pin 635. The first needle cap guide pair 63' and the first needle cap drive module 64' may be mounted on the first needle cap drive bracket 62', and the first needle cap slide 65 may be mounted on the first needle cap guide pair 63'.

[0082] The first needle cap driving bracket 62' can serve as the base of the first direction needle cap driving unit 61' and carry the first needle cap guide pair 63', the first needle cap driving module 64' and other structures. The first needle cap driving bracket 62' can also serve as a connecting piece of the first direction needle cap driving unit 61' to facilitate connection and combination with other structures.

[0083] The first needle cap guide pair 63' is installed on the first needle cap driving bracket 62'. For example, the guide member 631 of the first needle cap guide pair 63' can be connected to the first needle cap driving bracket 62' by fasteners such as bolts and screws. The sliding direction of the slider 633 of the first needle cap guide pair 63' can be the guiding direction of the first guide unit, for example, it can be parallel to Figures 10 to 12 The pin 635 can be fixedly mounted on the slider of the first needle cap guide rail pair, and the pin 635 is used to cooperate with the first needle cap sliding member 65.

[0084] The first needle cap sliding member 65 is provided with a slide groove 651, and the extension direction of the slide groove 651 is different from the sliding direction of the slider 633 of the first needle cap guide rail pair 63', for example, the two directions are perpendicular to each other, and the extension direction of the slide groove 651 can be the guide direction of the second guide unit, for example, can be parallel to Figures 10 to 12 The first needle cap slide 65 is slidably mounted on the first needle cap guide pair 63', and the pin 635 is located in the slide groove 651, so that the first needle cap slide 65 can slide relative to the slider 633 of the first needle cap guide pair 63'. Since the needle cap clamping mechanism 40' is mounted on the first needle cap slide 65, the first needle cap slide 65 can drive the needle cap clamping mechanism 40' to move synchronously.

[0085] The first needle cap driving module 64' can be connected to the first needle cap sliding member 65, and the first needle cap driving module 64' can drive the first needle cap sliding member 65 to simultaneously change displacement in the sliding direction of the slider 633 of the first needle cap guide rail pair 63' and the extension direction of the slide groove 651 to form a curved path movement, so that the needle cap clamping mechanism 40' can move along the curved path. The first needle cap driving module 64' can be a rotary driving module, for example, the first needle cap driving module 64' can include a third needle cap driving motor and a connecting member, one end of the connecting member is connected to the output shaft of the third needle cap driving motor, and the other end of the connecting member is hinged to the first needle cap sliding member 65.

[0086] In some embodiments, the type of structure that drives the needle clamping mechanism 50 to move back and forth along a linear path can be adjusted according to actual needs. Figures 10 to 12 The structure type of the first direction needle drive unit 71' is the same as Figures 1 to 3 The structure type of the first direction needle drive unit 71 is different. Figures 10 to 12 In the embodiment, the first direction needle drive unit 71' can be a linear guide slide module, and the needle clamping mechanism 50' can be connected to the slide 747 of the linear guide slide module. The linear guide slide module can also realize the movement of the needle clamping mechanism 50' along a linear path. The extension direction of the linear path can be parallel to the extension direction of the slide slot 651. The extension direction of the linear path can be distinguished from the sliding direction of the slider 633 of the first needle cap guide pair 63' of the first direction needle cap drive unit 61'. For example, the directions of the two can be perpendicular to each other. Since the linear guide slide module is a common part in the industry, the use of the linear guide slide module helps to simplify the design difficulty of the second drive component 70' and reduce the manufacturing cost.

[0087] Likewise, Figures 1 to 3 The structure type of the first direction needle cap driving unit 61 can be adjusted according to actual needs. For example, the first direction needle cap driving unit 61 can be a linear guide slide module, and the needle cap clamping mechanism 40 can be connected to the slide of the linear guide slide module, and the linear guide slide module can also realize the movement of the needle cap clamping mechanism 40 along a linear path. Figures 1 to 3 The structural type of the second direction needle cap driving unit 66 can be adjusted according to actual needs. For example, the second direction needle cap driving unit 66 can also be a linear guide slide module, and the first direction needle cap driving unit 61 can be connected to the slide of the linear guide slide module, and the linear guide slide module can also realize the first direction needle cap driving unit 61 and the needle cap clamping mechanism 40 to move along a straight path. Similarly, Figures 1 to 3 The structural type of the second direction needle drive unit can be adjusted according to actual needs. For example, the second direction needle drive unit can also be a linear guide slide module, and the first direction needle drive unit 71 can be connected to the slide of the linear guide slide module, and the linear guide slide module can also realize the movement of the first direction needle drive unit 71 and the needle clamping mechanism 50 along a linear path.

[0088] In the case of the second driving mode, the driving mechanism 20 can drive the needle cap clamping mechanism 40 to move back and forth along the first path so that the needle cap 200 is docked with the needle 300. In the case of the third driving mode, the driving mechanism 20 can drive the needle clamping mechanism 50 to move back and forth along the first path so that the needle 300 is docked with the needle cap 200. In the case of the second driving mode and the third driving mode, the first path may include multiple straight path segments. The specific structure and driving mode of the driving mechanism 20 can refer to the case of the first driving mode.

[0089] The driving mechanism 20 achieves the docking of the needle cap 200 and the needle 300 through the above-mentioned multiple different driving modes, which helps the needle cap heat-sealing device 100 to be selected according to actual conditions. Fig.19 , the following nine common methods are listed again, among which Fig.19 The direction of the middle arrow is the corresponding moving direction of the needle cap clamping mechanism 40 and the needle clamping mechanism 50 .

[0090] The first type: the needle cap clamping mechanism 40 moves along a straight path. The second type: the needle cap clamping mechanism 40 moves along a straight path, and the needle clamping mechanism 50 moves along a straight path. The third type: the needle cap clamping mechanism 40 moves along a straight path, and the needle clamping mechanism 50 moves along two straight paths. The fourth type: the needle cap clamping mechanism 40 moves along two straight paths. The fifth type: the needle cap clamping mechanism 40 moves along two straight paths, and the needle clamping mechanism 50 moves along a straight path. The sixth type: the needle cap clamping mechanism 40 moves along two straight paths, and the needle clamping mechanism 50 moves along two straight paths. The seventh type: the needle cap clamping mechanism 40 moves along three straight paths. The eighth type: the needle cap clamping mechanism 40 moves along a curved path, and the needle clamping mechanism 50 moves along a straight path. The ninth type: the needle clamping mechanism 50 moves along a straight path.

[0091] Among them, when the needle cap heat-sealing device 100 adopts the first, second, third, fourth or ninth method to achieve the docking of the needle cap 200 and the needle 300, since the needle cap clamping mechanism 40 and the needle clamping mechanism 50 are arranged longitudinally in the initial position, when the needle cap heat-sealing device 100 is applied to other equipment such as a blood collection device, it can be adapted to the equipment in which the needle cap entrance and the needle entrance are opened on the same surface, for example, the surface can be parallel to Figure 1When the needle cap heat-sealing device 100 adopts the fifth, sixth, seventh or eighth method to achieve the docking of the needle cap 200 and the needle 300, since the needle cap clamping mechanism 40 and the needle clamping mechanism 50 are arranged side by side in the initial position, it is not only convenient for the nursing staff to place the needle cap 200 and the needle 300, but also when the needle cap heat-sealing device 100 is applied to other equipment such as a blood collection device, it can also be adapted to equipment in which the needle cap entrance and the needle entrance are opened on the same side, for example, the side can be parallel to Fig.10 In addition, when the needle capping heat sealing device 100 adopts the eighth method to achieve the docking of the needle cap 200 and the needle 300, since the distance of the straight path of the needle clamping mechanism 50 is short, the needle cap clamping mechanism 40 can move along the curved path to a position relatively close to the needle clamping mechanism 50 after the needle cap 200 is installed. In this way, when the nursing staff installs the needle 300 into the needle clamping mechanism 50, a small part of the needle 300 can be inserted into the needle cap 200. At this time, although the needle cap 200 has not completely covered the needle 300, it can prevent residual blood from emitting and dripping during the docking of the needle 300 with the needle cap 200 along the straight path.

[0092] exist Figures 1 to 3 In the embodiment, the needle cap heat sealing device 100 can use the fourth, fifth or seventh method to achieve the docking of the needle cap 200 and the needle 300. Figures 10 to 12 In the embodiment, the needle cap heat sealing device 100 can adopt the eighth method to achieve the docking of the needle cap 200 and the needle 300.

[0093] The heat seal caliper mechanism 30 can be installed on the drive mechanism 20, for example Figures 1 to 3 In the embodiment, the heat seal caliper mechanism 30 can be fixedly mounted on the first needle drive bracket 72. Figures 10 to 12 In the embodiment, the heat sealing caliper mechanism 30 can be installed on other driving components of the driving mechanism 20.

[0094] The heat-sealing caliper mechanism 30 can be a common part in the industry. Since the heat-sealing caliper mechanism 30 is used to heat-seal the blood transfusion tube 400 connected to the needle 300 after the needle cap 200 and the needle 300 are docked, on the one hand, the heat-sealed part between the blood transfusion tube 400 and the needle 300 can be easily broken. For example, when the second driving component 70 drives the needle clamping mechanism 50 to move, the second driving component 70 can drive the needle clamping mechanism 50 to move away from the heat-sealing caliper mechanism 30, so that the heat-sealed part between the needle 300 and the blood transfusion tube 400 can be torn off; on the other hand, it also prevents the blood in the needle 300 from dripping from the needle rod due to the squeezing of the heat-sealing caliper mechanism 30 during the heat-sealing process of the blood transfusion tube 400, thereby avoiding contamination.

[0095] In the case where the heat seal caliper mechanism 30 is installed on other drive components of the drive mechanism 20, such as Figures 10 to 12 As shown, the drive mechanism 20 may also include a third drive assembly 80, which drives the heat-sealing caliper mechanism 30 to move back and forth along a third path. The third path, the second path, and the first path are all different, which helps the heat-sealing caliper mechanism 30 to move along the third path and away from the needle clamping mechanism 50', thereby reserving enough space for the second drive assembly 70' to drive the needle clamping mechanism 50' to the front end of the needle cap heat-sealing device 100 so that the caregiver can load the needle 300 into the needle clamping mechanism 50'. The third path may include a straight path, the number of which may be one segment, and the straight path may be parallel to the Z-axis direction. For example, in Fig.10 In the embodiment, before the nursing staff installs the needle 300 into the needle clamping mechanism 50', the third drive assembly 80 can first drive the heat-sealing caliper mechanism 30 to move along a straight path and away from the needle clamping mechanism 50', and then the second drive assembly 70' can drive the needle clamping mechanism 50' to move forward to facilitate the nursing staff to install the needle 300.

[0096] The structure of the third drive assembly 80 can be the same as that of the first direction needle drive unit 71'. For example, the third drive assembly 80 can also be a linear guide slide module, and the heat seal caliper mechanism 30 can be connected to the slide 81 of the linear guide slide module, and the linear guide slide module can realize the heat seal caliper mechanism 30 to move along a linear path.

[0097] In addition to the above-mentioned driving components, the driving mechanism 20 may also include other driving components to achieve other functions. Figure 4 and Figure 5 The drive mechanism 20 may further include a rotary drive assembly 90, which drives the needle clamping mechanism 50 to rotate back and forth, which can not only break the heat-sealed portion between the blood transfusion tube 400 and the needle 300, thereby separating the needle 300 from the blood transfusion tube 400, but also help rotate the needle 300 to the entrance of the recovery box 500 after the needle 300 is separated from the blood transfusion tube 400, so that the needle clamping mechanism 50 can release the needle 300 and allow the needle 300 to fall into the recovery box 500 together with the needle cap 200. In the process of separating the needle 300 from the blood transfusion tube 400, the heat-sealed clamping mechanism 30 also plays a role in clamping the blood transfusion tube 400.

[0098] The rotation drive assembly 90 can be connected to the needle clamping mechanism 50, and the needle clamping mechanism 50 can be connected to the second drive assembly 70 through the rotation drive assembly 90. The rotation drive assembly 90 can include a rotation bracket 91, a rotation drive motor 92, a rotation main synchronous wheel, a rotation slave synchronous wheel 93 and a rotation synchronous belt 94. The rotation drive motor 92 and the rotation slave synchronous wheel 93 can be installed on the rotation bracket 91, and the rotation synchronous belt 94 is sleeved on the rotation main synchronous wheel and the rotation slave synchronous wheel 93. The rotation bracket 91 can be connected to the second drive assembly 70, for example, the rotation bracket 91 can be fixedly connected to the slider of the first needle cap guide rail pair 63 by fasteners such as bolts and screws. The rotation slave synchronous wheel 93 is rotatably installed on the rotation bracket 91, and the rotation slave synchronous wheel 93 can be connected to the needle clamping mechanism 50.

[0099] The body of the rotary drive motor 92 can be fixedly connected to the rotary bracket 91 by fasteners such as bolts and screws, and the output shaft of the rotary drive motor 92 can be fixedly connected to the rotating main synchronous wheel, so that the rotary drive motor 92 can drive the rotating slave synchronous wheel 93 to rotate through the rotating synchronous belt 94, and then the needle clamping mechanism 50 can be rotated. The rotary drive assembly 90 uses a synchronous belt to transmit the power of the rotary drive motor 92, which helps to improve the flexibility of the installation position of the rotary drive motor 92. The structural type of the rotary drive assembly 90 can be adjusted according to actual needs. For example, Figures 10 to 12 In the embodiment, the rotary drive assembly 90' may also adopt a rotary drive module, and the output end 95 of the rotary drive assembly 90' may be directly hinged to the needle clamping mechanism 50' to drive the needle clamping mechanism 50' to rotate.

[0100] See also Figures 6 to 8 The needle cap clamping mechanism 40 may include a clamping bracket 41, a first clamping member 42 and a second clamping member 43, and the first clamping member 42 and the second clamping member 43 are mounted on the clamping bracket 41. The clamping bracket 41 can be connected to the driving mechanism 20, for example, the clamping bracket 41 can be fixedly connected to the corresponding driving assembly by fasteners such as bolts and screws. A clamping space 44 is enclosed between the first clamping member 42 and the second clamping member 43, and the clamping space 44 can be used to clamp the needle cap 200. The needle cap 200 can be installed in the clamping space 44 along its radial direction, or the needle cap 200 can be installed in the clamping space 44 along its axial direction.

[0101] At least one of the first clamping member 42 and the second clamping member 43 can be slidably installed on the clamping bracket 41. For example, in the first structural case, the first clamping member 42 can be slidably installed on the clamping bracket 41, and the second clamping member 43 can be slidably installed on the clamping bracket 41; for example, in the second structural case, the second clamping member 43 can be slidably installed on the clamping bracket 41; for example, in the third structural case, the first clamping member 42 can be slidably installed on the clamping bracket 41.

[0102] The needle cap clamping mechanism 40 may further include a clamping transmission assembly 45 and a clamping drive motor 46. The clamping transmission assembly 45 is used to transmit the power of the clamping drive motor 46 to the clamping member, so that at least one of the first clamping member 42 and the second clamping member 43 slides relative to the clamping bracket 41, thereby changing the size of the clamping space 44, and realizing that the needle cap clamping mechanism 40 is selectively in a clamping state or a loose state. The clamping space 44 of the needle cap clamping mechanism 40 in the clamping state is smaller than the clamping space 44 of the needle cap clamping mechanism 40 in the loose state. The needle cap clamping mechanism 40 in the clamping state can clamp the needle cap 200, such as Figure 6 The needle cap clamping mechanism 40 in the released state can release the needle cap 200, as shown; Figure 7 shown.

[0103] In the first structural case, see Figures 6 to 8 The clamping transmission assembly 45 can be connected between the first clamping member 42 and the clamping drive motor 46, and can also be connected between the second clamping member 43 and the clamping drive motor 46. The clamping drive motor 46 drives the clamping transmission assembly 45 to move to drive the first clamping member 42 and the second clamping member 43 to move selectively away from or toward each other.

[0104] The clamping transmission assembly 45 may include a linkage shaft 52 , a first transmission member 53 , a second transmission member 54 and a transmission cam 55 . The linkage shaft 52 , the first transmission member 53 and the second transmission member 54 may all be installed on the clamping bracket 41 , and the transmission cam 55 may be installed on the clamping drive motor 46 .

[0105] The linkage shaft 52 can be generally in the shape of a round rod. The linkage shaft 52 can be slidably mounted on the clamping bracket 41 along the radial direction of the linkage shaft 52. For example, the clamping bracket 41 is provided with a bracket slide groove 411. The linkage shaft 52 can penetrate the bracket slide groove 411 along the depth direction of the bracket slide groove 411 and can slide along the length direction of the bracket slide groove 411.

[0106] The first transmission member 53 may be substantially in a "V" shape. The first transmission member 53 is respectively hinged to the linkage shaft 52 and the first clamping member 42, for example, the first transmission member 53 includes a first transmission arm 531 and a second transmission arm 533, the first transmission arm 531 and the second transmission arm 533 may be connected, and the angle between the two may be an acute angle. The first transmission member 53 may be hinged to the first clamping member 42 through the first transmission arm 531, for example, the first transmission arm 531 and the first clamping member 42 are hinged through a pin shaft; the first transmission member 53 may be hinged to the linkage shaft 52 through the second transmission arm 533, for example, the linkage shaft 52 may be provided with an axial hole of the second transmission arm 533.

[0107] The second transmission member 54 may be substantially in a "V" shape. The second transmission member 54 is respectively hinged to the linkage shaft 52 and the second clamping member 43, for example, the second transmission member 54 includes a third transmission arm 541 and a fourth transmission arm 543, the third transmission arm 541 and the fourth transmission arm 543 may be connected, and the angle between the third transmission arm 541 and the fourth transmission arm 543 may be an acute angle. The second transmission member 54 may be hinged to the second clamping member 43 through the third transmission arm 541, for example, the third transmission arm 541 and the first clamping member 42 are hinged through a pin shaft; the second transmission member 54 may be hinged to the linkage shaft 52 through the fourth transmission arm 543, for example, the linkage shaft 52 may be provided with an axial hole of the fourth transmission arm 543.

[0108] The transmission cam 55 is connected to the output shaft of the clamping drive motor 46. For example, the transmission cam 55 can be fixed to the output shaft of the clamping drive motor 46 by a coupling, so that the clamping drive motor 46 can drive the transmission cam 55 to rotate. The transmission cam 55 abuts against the linkage shaft 52. Since the base circle 551 and the flange 553 of the transmission cam 55 are at different distances from the rotating shaft of the transmission cam 55, the linkage shaft 52 can slide along the bracket slide groove 411 during the process of abutting against the base circle 551 and the flange 553 of the transmission cam 55. The transmission cam 55 can directly abut against the linkage shaft 52, for example, the outer peripheral surface of the transmission cam 55 can abut against the outer peripheral surface of the linkage shaft 52. The transmission cam 55 can also indirectly abut against the linkage shaft 52, for example, the clamping transmission assembly 45 can also include a bearing 56, the bearing 56 is sleeved on the linkage shaft 52, and the transmission cam 55 can abut against the outer ring of the bearing 56. The bearing 56 can prevent the transmission cam 55 from causing direct wear on the linkage shaft 52.

[0109] The number of the transmission cams 55 can be two, and the two transmission cams 55 can be respectively distributed on both sides of the first transmission member 53 or the second transmission member 54 along the axial direction of the linkage shaft 52, so as to help improve the stability of the transmission cam 55 driving the linkage shaft 52 to slide. In the case where the transmission cam 55 and the linkage shaft 52 are indirectly abutted through the bearing 56, the number of the bearing 56 and the number of the transmission cams 55 can be consistent.

[0110] use Figures 6 to 8During the process of the needle cap clamping mechanism 40 clamping the needle cap 200, the needle cap clamping mechanism 40 may be in a loose state first, for example, the clamping drive motor 46 may drive the transmission cam 55 to rotate, so that the flange portion 553 of the transmission cam 55 abuts against the linkage shaft 52 and the linkage shaft 52 moves toward the first clamping member 42 and the second clamping member 43, and the first transmission member 53 and the second transmission member 54 hinged to the linkage shaft 52 are affected by the movement of the linkage shaft 52 to respectively open the first clamping member 42 and the second clamping member 43, so that the needle cap clamping mechanism 40 is in a loose state; then The needle cap 200 can be installed in the clamping space 44 of the needle cap clamping mechanism 40 along its radial direction; finally, the clamping drive motor 46 drives the transmission cam 55 to rotate until the base circle 551 of the transmission cam 55 abuts against the linkage shaft 52, so that the linkage shaft 52 moves in the direction away from the first clamping member 42 and the second clamping member 43, and the first transmission member 53 and the second transmission member 54 hinged to the linkage shaft 52 are affected by the movement of the linkage shaft 52 and respectively pull the first clamping member 42 and the second clamping member 43 closer, so that the needle cap clamping mechanism 40 is in a clamping state, so that the needle cap 200 can be clamped. After the needle cap 200 is docked with the needle head 300, the needle cap clamping mechanism 40 can be in a loose state, so that the needle cap 200 can be loosened.

[0111] The needle cap clamping mechanism 40 may further include a guide rod 47, which may be respectively provided with the first clamping member 42 and the second clamping member 43 and connected to the clamping bracket 41. The guide rod 47 not only helps guide the first clamping member 42 and the second clamping member 43 to slide along the length direction of the guide rod 47, but also helps prevent the first clamping member 42 and the second clamping member 43 from deviating from the clamping bracket 41 due to external force collision during the sliding process. The number of guide rods 47 may be two, and both guide rods 47 are provided with the first clamping member 42 and the second clamping member 43 and connected to the clamping bracket 41, thereby helping to improve the sliding stability of the first clamping member 42 and the second clamping member 43.

[0112] The needle cap clamping mechanism 40 may further include a compression spring 48, which may abut against the clamping bracket 41 and the first clamping member 42, for example, one end of the compression spring 48 abuts against the clamping bracket 41, and the other end of the compression spring 48 abuts against the surface of the first clamping member 42 away from the second clamping member 43. The compression spring 48 helps to provide elastic force for the first clamping member 42 to slide toward the second clamping member 43, so that when the transmission cam 55 rotates from the flange portion 553 to the base circle portion 551 abutting against the linkage shaft 52, the compression spring 48 can promote the reset of the linkage shaft 52 by squeezing the first clamping member 42. The number of the compression springs 48 may be multiple, for example, another compression spring 48 abuts between the clamping bracket 41 and the second clamping member 43 to provide elastic force for the second clamping member 43 to slide toward the first clamping member 42.

[0113] In the second structural case, the structures and connection relationships of the first clamping member 42, the second clamping member 43 and the clamping transmission assembly 45 can be adjusted. Fig.13 and Fig.14 The first clamping member 42' may be fixedly connected to the clamping bracket 41', and the first clamping member 42' may be fixed to the clamping bracket 41' by fasteners such as bolts and screws; or the first clamping member 42' may also be an integrally formed structure with the clamping bracket 41'.

[0114] Since the second clamping member 43' is slidably mounted on the clamping bracket 41', the clamping transmission assembly 45' can be connected between the second clamping member 43' and the clamping drive motor 46', and the clamping drive motor 46' drives the clamping transmission assembly 45' to move to drive the second clamping member 43' to selectively move toward or away from the first clamping member 42', thereby changing the size of the clamping space 44', and realizing that the needle cap clamping mechanism 40' is selectively in a clamping state or a loose state, wherein, Fig.13 The needle cap clamping mechanism 40' is in a released state, Fig.14 The needle cap clamping mechanism 40' is in a clamping state.

[0115] use Fig.13 and Fig.14 During the process of the needle cap clamping mechanism 40' clamping the needle cap 200, the clamping drive motor 46' can drive the second clamping member 43' to move away from the first clamping member 42' through the clamping transmission assembly 45', so that the needle cap clamping mechanism 40' is in a loose state, and then the needle cap 200 can be installed in the clamping space 44' of the needle cap clamping mechanism 40' along its axial direction, and finally the clamping drive motor 46' can drive the second clamping member 43' to move toward the first clamping member 42' through the clamping transmission assembly 45', so that the needle cap clamping mechanism 40' is in a clamping state, so that the needle cap 200 can be clamped. After the needle cap 200 is docked with the needle head 300, the needle cap clamping mechanism 40' can be in a loose state, so that the needle cap 200 can be loosened.

[0116] When the needle cap 200 is installed in the clamping space 44' of the needle cap clamping mechanism 40' along its axial direction, refer to Fig.14 The needle cap clamping mechanism 40' may further include a stopper 49, which may be connected to the first clamping member 42' or the second clamping member 43'. Fig.14 The limiting member 49 is fixedly connected to the first clamping member 42'. The limiting member 49 can limit the movement of the needle cap 200 along the axial direction of the needle cap 200, thereby preventing the nursing staff from over-loading the needle cap 200 into the needle cap clamping mechanism 40', which may cause the needle cap 200 and the needle 300 to not be properly docked during the subsequent docking.

[0117] The needle cap clamping mechanism 40' may further include a sensor 401, which may be mounted on the clamping bracket 41'. The sensor 401 is used to detect whether there is a needle cap 200 in the clamping space 44'. Before the needle cap 200 and the needle 300 are docked, the controller of the needle cap heat-sealing device 100 may control the first drive assembly 60' not to drive the needle cap clamping mechanism 40' to move when the sensor 401 does not detect that the needle cap 200 is loaded into the clamping space 44', thereby avoiding the no-load operation of the needle cap clamping mechanism 40'. In addition, during the docking process of the needle cap 200 and the needle 300, the controller of the needle cap heat-sealing device 100 may control the first drive assembly 60' to drive the needle cap clamping mechanism 40' to dock again when the sensor 401 detects that the needle cap 200 has not left the clamping space 44', which helps to reduce the situation where the needle cap 200 is not covered on the needle 300. The sensor 401 may be a fiber optic sensor, a photoelectric sensor, or the like.

[0118] In the third structural case, the structures and connection relationships of the first clamping member 42, the second clamping member 43 and the clamping transmission assembly 45 can be adjusted. For example, the structure and sliding mode of the first clamping member 42, the structure and fixing mode of the second clamping member 43, and the structure of the clamping transmission assembly 45 in the third structural case can all refer to the second structural case.

[0119] See also Figure 1 and Fig. 9 The structure of the needle clamping mechanism 50 may be the same as, different from, or partially the same as that of the needle cap clamping mechanism 40. For example, the needle clamping mechanism 50 may include a clamping bracket 410, a first clamping member 420, and a second clamping member 430. The first clamping member 420 and the second clamping member 430 are mounted on the clamping bracket 410. The clamping bracket 410 may be connected to the driving mechanism 20. For example, the clamping bracket 410 may be fixedly connected to the corresponding driving assembly by fasteners such as bolts and screws.

[0120] A clamping space 440 is formed between the first clamping member 420 and the second clamping member 430, and the clamping space 440 can be used to clamp the needle 300. The needle 300 can be installed in the clamping space 440 along its radial direction, or the needle 300 can be installed in the clamping space 440 along its axial direction.

[0121] At least one of the first clamping member 420 and the second clamping member 430 can be slidably mounted on the clamping bracket 410. For example, in the fourth structural case, the first clamping member 420 can be slidably mounted on the clamping bracket 410, and the second clamping member 430 can be slidably mounted on the clamping bracket 410; for example, in the fifth structural case, the second clamping member 430 can be slidably mounted on the clamping bracket 410; for example, in the sixth structural case, the first clamping member 420 can be slidably mounted on the clamping bracket 410.

[0122] The structure, function, movement process, etc. of the needle clamping mechanism 50 in the fourth structure can refer to the structure, function, movement process, etc. of the needle cap clamping mechanism 40 in the first structure. For example, the needle clamping mechanism 50 can also include a clamping transmission assembly 450, a clamping drive motor 460, a guide rod 470, a compression spring 480 and other structures, and the clamping transmission assembly 450 can include a linkage shaft 520, a first transmission member 530, a second transmission member 540, a transmission cam 550, a bearing 560 and other structures.

[0123] Similarly, the structure, function, etc. of the needle clamping mechanism 50 in the fifth structure can also refer to the structure, function, etc. of the needle cap clamping mechanism 40 in the second structure; the structure, function, etc. of the needle clamping mechanism 50 in the sixth structure can also refer to the structure, function, etc. of the needle cap clamping mechanism 40 in the third structure.

[0124] In addition, in the fifth structure, the clamping transmission assembly 45 of the needle clamping mechanism 50 can be replaced by other structures in addition to the structure of the clamping transmission assembly 45' of the needle cap clamping mechanism 40 in the second structure. Fig.15 and Fig.16 As shown, the clamping transmission assembly 450' may include a crank 57 and a connecting rod 58, and the crank 57 is connected to the connecting rod 58. The crank 57 may be connected to the output shaft of the clamping drive motor 460', for example, the crank 57 may be fixed to the output shaft of the clamping drive motor 460', so that the clamping drive motor 460' can drive the crank 57 to rotate.

[0125] The connecting rod 58 is hinged between the crank 57 and the second clamping member 430', for example, one end of the connecting rod 58 is hinged to the crank 57, and the other end of the connecting rod 58 is hinged to the second clamping member 430'. The hinge point between the connecting rod 58 and the crank 57 deviates from the rotation axis of the crank 57, which helps when the clamping drive motor 460' drives the crank 57 to rotate, the crank 57 drives the connecting rod 58 to move along the radial direction of the crank 57, and then the clamping drive motor 460' drives the crank 57 to move to drive the second clamping member 430' to move, and also enables the needle clamping mechanism 50 to be selectively in a clamping state or a loose state. Fig.15 The needle clamping mechanism 50 is shown in a clamping state. Fig.16 The needle retaining mechanism 50 is shown in a released state.

[0126] use Fig.15 and Fig.16In the process of the needle clamping mechanism 50 clamping the needle 300, the clamping drive motor 460' can drive the crank 57 to rotate in the direction away from the second clamping member 430', so that the crank 57 drives the second clamping member 430' to slide in the direction away from the first clamping member 420' through the connecting rod 58, so that the needle clamping mechanism 50 is in a loose state; then the needle 300 can be installed in the clamping space 440' of the needle clamping mechanism 50 along its axial direction; finally, the clamping drive motor 460' can drive the crank 57 to rotate in the direction of the second clamping member 430', so that the crank 57 drives the second clamping member 430' to slide in the direction away from the first clamping member 420' through the connecting rod 58, so that the needle clamping mechanism 50 is in a loose state; then, the needle 300 can be installed in the clamping space 440' of the needle clamping mechanism 50 along its axial direction; finally, the clamping drive motor 460' can drive the crank 57 to rotate in the direction of the second clamping member 430', so that the crank 57 drives the second clamping member 430' through the connecting rod 58, so that the needle clamping mechanism 50 is in a loose state; 8 drives the second clamping member 430' to slide in the direction of the first clamping member 420'. When the clamping drive motor 460' drives the crank 57, the connecting rod 58, and the second clamping member 430' to be roughly in a colinear position, the distance between the second clamping member 430' and the clamping drive motor 460' is the largest. When the clamping drive motor 460' is not moving, the second clamping member 430' cannot move. The distance between the second clamping member 430' and the first clamping member 420' is the smallest and the relative position remains unchanged, so that the needle 300 can be clamped. At this time, the needle clamping mechanism 50 is in a clamping state. After the needle 300 is docked with the needle 300, the needle clamping mechanism 50 can be in a loose state, so that the needle 300 can be loosened.

[0127] When the needle 300 is installed in the clamping space 440' of the needle clamping mechanism 50 along its axial direction, the needle clamping mechanism 50 may further include a stopper 49', which may be connected to the first clamping member 420' or the second clamping member 430'. Fig.17 In the embodiment, the stopper 49' is fixedly connected to the second clamping member 430'. The stopper 49' can limit the movement of the needle 300 along the axial direction of the needle 300, thereby preventing the nursing staff from over-loading the needle 300 into the needle clamping mechanism 50, which may cause the needle cap 200 and the needle 300 to not be properly docked during the subsequent docking. The number of the stopper 49' can be multiple, and the term "multiple" means greater than or equal to two, and the multiple stoppers 49' can be distributed at intervals on the second clamping member 430'.

[0128] The needle clamping mechanism 50 may also be provided with a corresponding matching structure to further ensure that the needle cap 200 and the needle 300 are docked in place. The matching structure may be designed according to the structure of the needle 300. Fig.18 The needle 300 generally adopts a common part in the industry. The needle handle 301 of the needle 300 is connected between the needle rod 303 and the blood transfusion tube 400. The needle handle 301 is provided with a clamping groove 305. When the needle 300 is installed in the clamping space 440' of the needle clamping mechanism 50 along its axial direction, please refer to Fig.17The needle clamping mechanism 50 may further include a needle clamping member 51, which may be convexly disposed on the surface of the second clamping member 430' facing the clamping space 440'. The needle clamping member 51 of the needle clamping mechanism 50 in the clamping state is clamped in the clamping groove 305 of the needle 300 to limit the movement of the needle 300, thereby preventing the needle 300 from retreating and failing to dock due to being squeezed by the needle cap 200 during the subsequent docking process between the needle cap 200 and the needle 300. In addition, the needle clamping member 51 of the needle clamping mechanism 50 in the loosened state is located outside the clamping groove 305 of the needle 300.

[0129] The needle clamping mechanism 50 may further include a sensor 401', which may be mounted on the first clamping member 420'. The sensor 401' is used to detect whether there is a needle 300 in the clamping space 440'. Before the needle cap 200 and the needle 300 are docked, the controller of the needle cap heat-sealing device 100 may control the second drive assembly 70' not to drive the needle clamping mechanism 50 to move when the sensor 401' does not detect that the needle 300 is loaded into the clamping space 440', thereby avoiding the no-load operation of the needle clamping mechanism 50. In addition, after the rotary drive assembly 90 rotates the needle 300 to the entrance of the recovery box 500, the controller of the needle cap heat sealing device 100 can also control the needle clamping mechanism 50 to be in a loose state again when the sensor 401' detects that the needle 300 has not escaped from the clamping space 440', thereby helping to reduce the situation where the needle clamping mechanism 50 does not drop the needle 300 together with the needle cap 200 into the recovery box 500. The sensor 401' can be a fiber optic sensor, a photoelectric sensor, etc.

[0130] The embodiment of the present invention further provides a blood collection device (not shown), which includes a housing and a needle cap heat-sealing device 100 of any of the above embodiments, wherein the needle cap heat-sealing device 100 is installed on the housing.

[0131] In the blood collection device provided by the embodiment of the present invention, the clamping mechanism 10 clamps the needle cap 200 through the needle cap clamping mechanism 40, and the clamping mechanism 10 also clamps the needle 300 through the needle clamping mechanism 50. The driving mechanism 20 drives at least one of the needle cap clamping mechanism 40 and the needle clamping mechanism 50 to move to dock the needle cap 200 with the needle 300, so that the needle cap 200 is covered on the needle 300. Since the heat-sealing caliper mechanism 30 is used to heat-seal the blood transfusion tube 400 connected to the needle 300 after the needle cap 200 and the needle 300 are docked, not only can the heat-sealed part of the blood transfusion tube 400 and the needle 300 be easily broken, which is convenient for separating the needle 300 from the blood transfusion tube 400, but also the blood in the needle 300 is prevented from dripping from the needle rod 303 due to the squeezing of the heat-sealing caliper mechanism 30 during the heat-sealing process of the blood transfusion tube 400, thereby avoiding contamination.

[0132] In the present invention, unless otherwise clearly specified or limited, the terms "installation", "connection", "fixation" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can be internal communication between two elements, it can be only surface contact, or it can be connected through surface contact through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0133] In addition, the terms "first", "second", etc. are only used to distinguish descriptions and cannot be understood as specific or special structures. The descriptions of the terms "some embodiments", "other embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present invention. In the present invention, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, in the absence of mutual contradictions, those skilled in the art can combine and combine the different embodiments or examples described in the present invention and the features of different embodiments or examples. The above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them; although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some of the technical features therein by equivalent; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A needle cap heat sealing device, characterized in that: include: A clamping mechanism, the clamping mechanism comprising a needle cap clamping mechanism for clamping a needle cap and a needle clamping mechanism for clamping a needle; A driving mechanism, wherein the driving mechanism drives at least one of the needle cap clamping mechanism and the needle head clamping mechanism to move so that the needle cap and the needle head are docked; as well as A heat-sealing caliper mechanism is used to heat-seal a blood transfusion tube connected to a needle after the needle cap and the needle are butted against each other.

2. The needle cap heat sealing device according to claim 1, characterized in that: The driving mechanism drives the needle cap clamping mechanism to move back and forth along a first path so that the needle cap is docked with the needle head, and the first path includes a plurality of straight path sections.

3. The needle cap heat sealing device according to claim 1, characterized in that: The driving mechanism drives the needle clamping mechanism to move back and forth along a first path so that the needle is docked with the needle cap, and the first path includes a plurality of straight path segments.

4. The needle cap heat-sealing device according to claim 1, characterized in that: The driving mechanism includes a first driving assembly and a second driving assembly. The first driving assembly drives the needle cap clamping mechanism to reciprocate along a first path. The second driving assembly drives the needle cap clamping mechanism to reciprocate along a second path. The second path is distinct from and connected to the first path.

5. The needle cap heat-sealing device according to claim 4, characterized in that: The first path and the second path both include at least one straight path.

6. The needle cap heat-sealing device according to claim 4, characterized in that: The first path includes a curved path, and the second path includes at least one straight path.

7. The needle cap heat sealing device according to claim 5, characterized in that: The first drive assembly comprises a first direction needle cap drive unit and a second direction needle cap drive unit, the first direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth linearly along a first direction, and the second direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth linearly along a second direction, the first direction is different from the second direction; The second driving assembly includes a first direction needle driving unit, and the first direction needle driving unit drives the needle clamping mechanism to move back and forth in a straight line along the first direction.

8. The needle cap heat-sealing device according to claim 5, characterized in that: The first drive assembly comprises a first direction needle cap drive unit and a second direction needle cap drive unit, the first direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth linearly along a first direction, and the second direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth linearly along a second direction, the first direction is different from the second direction; The second drive assembly includes a first direction needle drive unit and a second direction needle drive unit. The first direction needle drive unit drives the needle clamping mechanism to move linearly back and forth along the first direction, and the second direction needle drive unit drives the needle clamping mechanism to move linearly back and forth along the second direction.

9. The needle cap heat-sealing device according to claim 6, characterized in that: The first drive assembly comprises a first direction needle cap drive unit, and the first direction needle cap drive unit drives the needle cap clamping mechanism to move back and forth along the curved path; The second drive assembly includes a first direction needle drive unit, and the first direction needle drive unit drives the needle clamping mechanism to move back and forth along the straight path.

10. The needle cap heat-sealing device according to claim 7 or 8, characterized in that: The first direction needle cap driving unit comprises a first needle cap driving bracket, a first needle cap guide pair and a first needle cap driving module, the first needle cap guide pair and the first needle cap driving module are both mounted on the first needle cap driving bracket, and the needle cap clamping mechanism is respectively connected to a slider of the first needle cap guide pair and the first needle cap driving module; The second direction needle cap driving unit includes a second needle cap driving bracket, a second needle cap guide pair and a second needle cap driving module. The second needle cap guide pair and the second needle cap driving module are both installed on the second needle cap driving bracket, and the first needle cap driving bracket is respectively connected to the slider of the second needle cap guide pair and the second needle cap driving module.

11. The needle cap heat-sealing device according to claim 10, characterized in that: The first needle cap driving module comprises a first needle cap driving motor, a first needle cap main synchronous wheel fixedly connected to the output shaft of the first needle cap driving motor, a first needle cap slave synchronous wheel and a first needle cap synchronous belt, the first needle cap driving motor is mounted on the first needle cap driving bracket, the first needle cap slave synchronous wheel is rotatably mounted on the first needle cap driving bracket, the first needle cap synchronous belt is sleeved on the first needle cap main synchronous wheel and the first needle cap slave synchronous wheel, and the needle cap clamping mechanism is connected to the first needle cap synchronous belt; The second needle cap driving module includes a second needle cap driving motor, a second needle cap main synchronous wheel fixedly connected to the output shaft of the second needle cap driving motor, a second needle cap slave synchronous wheel and a second needle cap synchronous belt, the second needle cap driving motor is installed on the second needle cap driving bracket, the second needle cap slave synchronous wheel is rotatably installed on the second needle cap driving bracket, the second needle cap synchronous belt is sleeved on the second needle cap main synchronous wheel and the second needle cap slave synchronous wheel, the needle cap clamping mechanism is connected to the second needle cap synchronous belt, and the first needle cap driving bracket is connected to the second needle cap synchronous belt.

12. The needle cap heat-sealing device according to claim 7 or 8, characterized in that: The first direction needle drive unit includes a first needle drive bracket, a first needle guide pair and a first needle drive module. The first needle guide pair and the first needle drive module are both installed on the first needle drive bracket, and the needle clamping mechanism is respectively connected to the slider of the first needle guide pair and the first needle drive module.

13. The needle capping heat sealing device according to claim 12, characterized in that: The first needle drive module includes a first needle drive motor, a first needle main synchronous wheel fixedly connected to the output shaft of the first needle drive motor, a first needle slave synchronous wheel and a first needle synchronous belt, the first needle drive motor is installed on the first needle drive bracket, the first needle slave synchronous wheel is rotatably installed on the first needle drive bracket, the first needle synchronous belt is sleeved on the first needle main synchronous wheel and the first needle slave synchronous wheel, and the needle clamping mechanism is connected to the first needle synchronous belt.

14. The needle cap heat-sealing device according to claim 9, characterized in that: The first direction needle cap driving unit comprises: a first needle cap driving bracket; a first guide unit, the first guide unit being mounted on the first needle cap driving bracket, and a guide direction of the first guide unit being different from an extension direction of the linear path; a second guide unit, wherein the second guide unit is mounted on the first guide unit, the needle cap clamping mechanism is mounted on the second guide unit, and a guiding direction of the second guide unit is parallel to an extending direction of the linear path; and The first needle cap driving module drives the needle cap clamping mechanism to simultaneously change displacement in the guiding direction of the first guiding unit and the guiding direction of the second guiding unit to form the curved path movement.

15. The needle capping heat sealing device according to claim 14, characterized in that: The first guide unit comprises a first needle cap guide pair, the first needle cap guide pair is mounted on the first needle cap driving bracket, and the sliding direction of the slider of the first needle cap guide pair is the guiding direction of the first guide unit; The second guide unit comprises a first needle cap sliding member and a pin fixedly mounted on a slider of the first needle cap guide rail pair, the first needle cap sliding member is provided with a slide groove, the pin is located in the slide groove, the needle cap clamping mechanism is fixedly mounted on the first needle cap sliding member, and the extension direction of the slide groove is the guiding direction of the second guide unit; The first needle cap driving module is a rotary driving module, which includes a third needle cap driving motor and a connecting piece, one end of the connecting piece is connected to the output shaft of the third needle cap driving motor, and the other end of the connecting piece is hinged to the first needle cap sliding piece.

16. The needle cap heat-sealing device according to claim 9, characterized in that: The first direction needle driving unit is a linear guide rail slide module, and the needle clamping mechanism is connected to the slide of the linear guide rail slide module.

17. The needle capping heat sealing device according to claim 4, characterized in that: The driving mechanism further includes a third driving assembly, and the third driving assembly drives the heat-sealing caliper mechanism to reciprocate along a third path, and the third path, the second path and the first path are all different.

18. The needle capping heat sealing device according to claim 1, characterized in that: The driving mechanism comprises a rotary driving assembly, and the rotary driving assembly drives the needle clamping mechanism to reciprocate.

19. The needle capping heat sealing device according to claim 1, characterized in that: The needle cap clamping mechanism and the needle clamping mechanism both include a clamping bracket, a first clamping member and a second clamping member. At least one of the first clamping member and the second clamping member is slidably mounted on the clamping bracket. A clamping space is enclosed between the first clamping member and the second clamping member.

20. The needle cap heat-sealing device according to claim 19, characterized in that: The needle cap clamping mechanism and the needle clamping mechanism both further include a clamping drive motor and a clamping transmission assembly, wherein the clamping transmission assembly is connected between the first clamping member and the clamping drive motor, and connected between the second clamping member and the clamping drive motor, and the clamping drive motor drives the clamping transmission assembly to move so as to drive the first clamping member and the second clamping member to selectively move away from or toward each other.

21. The needle cap heat-sealing device according to claim 20, characterized in that: The clamping transmission assembly comprises: A linkage shaft, wherein the linkage shaft is slidably mounted on the clamping bracket along a radial direction of the linkage shaft; A first transmission member, the first transmission member is hinged to the linkage shaft and the first clamping member respectively; A second transmission member, the second transmission member is hinged to the linkage shaft and the second clamping member respectively; and A transmission cam is abutted against the linkage shaft and connected to the output shaft of the clamping drive motor, and the rotation of the transmission cam drives the linkage shaft to slide.

22. The needle capping heat sealing device according to claim 19, characterized in that: The clamping space is used to accommodate the needle cap and the needle installed along the installation direction, and the installation direction is parallel to the axial direction of the needle; The needle cap clamping mechanism and the needle head clamping mechanism both further include a limiting member, and the limiting member limits the movement of the needle cap and the needle head along the installation direction.

23. The needle cap heat-sealing device according to claim 19, characterized in that: The needle clamping mechanism also includes a needle clamping piece, which is protruding from the surface of the second clamping piece facing the clamping space. The needle clamping piece of the needle clamping mechanism in the clamping state is clamped in the needle clamping groove to limit the movement of the needle.

24. The needle capping heat sealing device according to claim 19, characterized in that: The first clamping member is fixedly connected to the clamping bracket, and the second clamping member is slidably mounted on the clamping bracket; The clamping mechanism also includes a clamping drive motor and a clamping transmission assembly, wherein the clamping transmission assembly is connected between the second clamping member and the clamping drive motor, and the clamping drive motor drives the clamping transmission assembly to move the second clamping member to selectively move toward or away from the first clamping member.

25. The needle capping heat sealing device according to claim 24, characterized in that: The clamping transmission assembly includes a crank and a connecting rod, the crank is connected to the output shaft of the clamping drive motor, the connecting rod is hinged between the crank and the second clamping member, the hinge between the connecting rod and the crank deviates from the rotating axis of the crank, and the clamping drive motor drives the crank to move to drive the second clamping member to move.

26. A blood sampling device, characterized in that: include: case; as well as The needle cap heat-sealing device according to any one of claims 1 to 25, wherein the needle cap heat-sealing device is mounted on the housing.

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