Blood taking needle winding mechanism

Abstract

The invention discloses a blood taking needle winding mechanism which comprises a mounting plate and at least two linear bearings fixed to the mounting plate in a penetrating mode, a lifting rod movably penetrates through the middles of the linear bearings, a lifting plate is fixed to the top of the lifting rod, and two small vertical plates and two large vertical plates are fixed to the top of the lifting plate. A bearing plate and a top plate are fixed to the tops of the two small vertical plates and the tops of the two large vertical plates respectively, a synchronous motor is fixed to the bottom of the bearing plate in a penetrating mode, a synchronous wheel is fixed to the power output end of the top of the synchronous motor in an embedded mode, and a vertical bearing is fixed to the middle of the top plate in a penetrating mode. The small motor drives the screw rod to rotate, the screw rod rotates to enable the screw rod rings at the two ends of the screw rod to get close to each other, the two driving plates get close to each other, the driving plates pull the tension springs, the springs drive the two driven plates to get close to each other, and the pressing parts on the side faces of the two driven plates gather the blood taking needles on the side edges of the supporting blocks, so that the space occupied by the blood taking needles is reduced; and the blood taking needle can be conveniently put into a packaging bag.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a blood collection needle winding mechanism. Background Art

[0002] After the blood collection needle is produced, during the packaging process, a winding mechanism is needed to wind the blood transfusion tube into a roll, and then the blood transfusion tube is put into a packaging bag. The packaging bag is sealed after passing through the production line to complete the packaging. The blood collection needle winding mechanism in the prior art drives the expansion mechanism to rotate through a motor, and the expansion mechanism rotates to roll up the blood collection needle, and the blood collection needle is repeatedly laid horizontally on the side of the expansion mechanism. Since the contact line between the blood collection needle and the expansion mechanism is too large, the wound blood collection needle occupies a large space, which makes it inconvenient to put the blood collection needle into the packaging bag. Therefore, it is necessary to provide a blood collection needle winding mechanism. Summary of the invention

[0003] The purpose of the present invention is to solve the problem in the prior art that the contact line between the blood collection needle and the expansion mechanism is too large, resulting in the wound blood collection needle occupying a large space and being inconvenient to put the blood collection needle into the packaging bag, thereby proposing a blood collection needle winding mechanism.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a blood collection needle winding mechanism, comprising a mounting plate and at least two linear bearings fixed thereon, a lifting rod movably passing through the middle of the linear bearing, a lifting plate fixed on the top of the lifting rod, two small vertical plates and two large vertical plates fixed on the top of the lifting plate, the tops of the two small vertical plates and the two large vertical plates are respectively fixed with a bearing plate and a top plate, a synchronous motor is fixed through the bottom of the bearing plate, a synchronous wheel is nested and fixed on the power output end of the top of the synchronous motor, a vertical bearing is fixed through the middle of the top plate, a rotating shaft is movably passed through the middle of the vertical bearing, a driven wheel is nested and fixed at the bottom of the rotating shaft, a spreading cylinder is fixed on the top of the rotating shaft, two corner blocks are arranged on the top of the spreading cylinder, a supporting block is fixed on the top of the corner block, side plates are fixed on the sides of the spreading cylinder, a clamping cylinder is fixed on the sides of the side plates, and two clamping claws are arranged on the top of the clamping cylinder.

[0005] Further preferably, at least one transverse rod is fixed to the bottom of the lifting rod, a vertical cylinder is fixed through the bottom of the mounting plate, and a small motor is fixed to the top of the support block.

[0006] Further preferably, two fixed plates are fixed in the groove on the top of the support block, a small bearing is fixed through the middle of the fixed plate, a wire lever is fixed through the middle of the two small bearings, both ends of the wire lever can drive a screw ring, and an active plate is nested and fixed on the screw ring.

[0007] Further preferably, a tension spring is fixed on the surface of the active plate, a driven plate is fixedly provided at one end of the tension spring, a pressing portion is integrally formed on the sides of the two driven plates, and a sliding portion is integrally formed on both sides of the driven plate and the active plate.

[0008] Further preferably, a wire lever is fixed on the power output end at the bottom of the small motor, vertical grooves are provided at both side openings of the groove at the top of the support block, and screw grooves are provided at both ends of the wire lever.

[0009] Further preferably, the screw grooves at both ends of the screw lever have opposite spiral directions, the inner opening of the screw ring is provided with spiral strips, and the spiral strips of the screw ring are matched with the screw grooves at both ends of the screw lever.

[0010] Further preferably, the sliding parts on both sides of the active plate and the driven plate are matched with the vertical grooves on the support block, the two driven plates are located in the middle of the two active plates, and the two ends of the wire lever are respectively movable and penetrate the two driven plates.

[0011] Further preferably, a synchronous belt is wound around the synchronous wheel and the driven wheel, the synchronous wheel and the driven wheel are driven by the synchronous belt, and the wire lever is located in a groove on the top of the support block.

[0012] Further preferably, the vertical cylinder and the plurality of lifting rods are kept parallel, the plurality of lifting rods vertically penetrate the mounting plate, the mounting plate and the lifting plate are kept parallel, and the top plate and the bearing plate are kept parallel.

[0013] The beneficial effects of the present invention are as follows: a small motor drives the wire lever to rotate, and the wire lever rotates to make the wire screw rings at both ends approach each other, and the two active plates approach each other, and the active plate pulls the tension spring, and the spring drives the two driven plates to approach each other, and the pressing parts on the sides of the two driven plates gather the blood collection needles on the sides of the support block, so as to reduce the space occupied by the blood collection needles and facilitate the blood collection needles to be loaded into the packaging bag; the clamping cylinder drives the two clamping claws to clamp the ends of the blood collection needles, so that when the support block rolls up the blood collection needles, the blood collection needles are tightened on the sides of the two support blocks, and the blood collection needles are tightened to reduce their volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the mounting plate of the present invention; Figure 3 It is a structural schematic diagram of the rotating shaft of the present invention; Figure 4 This is a schematic diagram of the structure of the propping cylinder of the present invention; Figure 5 It is a structural schematic diagram of a corner block of the present invention; Figure 6 It is a structural schematic diagram of the support block of the present invention; Figure 7 It is a structural schematic diagram of the wire lever of the present invention.

[0015] In the figure: mounting plate 1, linear bearing 2, lifting rod 3, transverse rod 4, vertical cylinder 5, lifting plate 6, small vertical plate 7, large vertical plate 8, top plate 9, bearing plate 10, synchronous motor 11, synchronous wheel 12, synchronous belt 13, vertical bearing 14, rotating shaft 15, driven wheel 16, opening cylinder 17, side plate 18, corner block 19, support block 20, small motor 21, clamping cylinder 22, clamping claw 23, wire lever 24, vertical groove 25, screw groove 26, fixed plate 27, small bearing 28, screw ring 29, active plate 30, tension spring 31, driven plate 32, pressing part 33, sliding part 34. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0017] Reference Figures 1 to 7 A blood collection needle winding mechanism comprises a mounting plate 1 and at least two linear bearings 2 fixed thereon, a lifting rod 3 is movable through the middle of the linear bearing 2, a lifting plate 6 is fixed on the top of the lifting rod 3, two small vertical plates 7 and two large vertical plates 8 are fixed on the top of the lifting plate 6, a bearing plate 10 and a top plate 9 are fixed on the top of the two small vertical plates 7 and the two large vertical plates 8, respectively, a synchronous motor 11 is fixed through the bottom of the bearing plate 10, and a synchronous wheel 1 is nested and fixed on the power output end of the top of the synchronous motor 11 2. A vertical bearing 14 is fixedly passed through the middle of the top plate 9, a rotating shaft 15 is movably passed through the middle of the vertical bearing 14, a driven wheel 16 is nested and fixed at the bottom of the rotating shaft 15, a spreading cylinder 17 is fixed at the top of the rotating shaft 15, two corner blocks 19 are arranged on the top of the spreading cylinder 17, a supporting block 20 is fixed on the top of the corner block 19, a side plate 18 is fixed to the side of the spreading cylinder 17, a clamping cylinder 22 is fixed to the side of the side plate 18, and two clamping claws 23 are arranged on the top of the clamping cylinder 22.

[0018] Preferably, at least one transverse rod 4 is fixed to the bottom of the lifting rod 3, a vertical cylinder 5 is fixed through the bottom of the mounting plate 1, a small motor 21 is fixed to the top of the support block 20, two transverse rods 4 are respectively fixed to the bottom of the four lifting rods 3, the vertical cylinder 5 is fixed to the bottom of the lifting plate 6, and the vertical cylinder 5 drives the lifting plate 6 to lift and reciprocate above the mounting plate 1.

[0019] Preferably, two fixing plates 27 are fixed in the groove at the top of the support block 20, a small bearing 28 is fixed through the middle of the fixing plate 27, a wire lever 24 is fixed through the middle of the two small bearings 28, both ends of the wire lever 24 can be driven to be sleeved with a lead screw ring 29, an active plate 30 is nested and fixed on the lead screw ring 29, a tension spring 31 is fixed on the surface of the active plate 30, a driven plate 32 is fixed at one end of the tension spring 31, a pressing portion 33 is integrally formed on the side surfaces of the two driven plates 32, and sliding portions 34 are integrally formed on both sides of the driven plate 32 and the active plate 30; During specific implementation, the small motor 21 drives the wire lever 24 to rotate, and the wire lever 24 rotates to make the lead screw rings 24 at both ends approach each other, and the two active plates 30 approach each other. The active plate 30 pulls the tension spring 31, and the tension spring 31 drives the two driven plates 32 to approach each other, and the pressing parts 33 on the sides of the two driven plates 32 retract the blood collection needles on the sides of the support block 20, so as to reduce the space occupied by the blood collection needles.

[0020] Preferably, a wire lever 24 is fixed on the power output end at the bottom of the small motor 21, vertical grooves 25 are provided at both sides of the openings of the groove at the top of the support block 20, and screw grooves 26 are provided at both ends of the wire lever 24. The screw grooves 26 at both ends of the wire lever 24 have opposite spiral directions, and the inner opening of the screw ring 29 is provided with spiral strips, and the spiral strips of the screw ring 29 are matched with the screw grooves 26 at both ends of the wire lever 24; In specific implementation, the wire lever 24 rotates in the middle of the two screw rings 29, and the two screw rings 29 cannot rotate with the wire lever 24, so that the two screw rings 29 move on the wire lever 24 in opposite directions, and the two screw rings 29 move away from or close to each other.

[0021] Preferably, the sliding parts 34 on both sides of the active plate 30 and the driven plate 32 are adapted to the vertical grooves 25 on the support block 20, and the two driven plates 32 are located in the middle of the two active plates 30. The two ends of the wire lever 24 are respectively movable through the two driven plates 32, and the sliding parts 34 on both sides of the active plate 30 and the driven plate 32 are located in the vertical grooves 25, preventing the active plate 30 and the driven plate 32 from rotating in the groove of the support block 20 following the wire lever 24, so that the active plate 30 and the driven plate 32 can be smoothly lifted and lowered.

[0022] Preferably, a synchronous belt 13 is wound around the synchronous wheel 12 and the driven wheel 16, and the synchronous wheel 12 and the driven wheel 16 are transmitted through the synchronous belt 13. The wire lever 24 is located in the groove at the top of the support block 20. The synchronous motor 11 drives the synchronous wheel 12, and the synchronous wheel 12 drives the synchronous belt 13. The synchronous belt 13 drives the rotating shaft 15, the driven wheel 16, the expansion cylinder 17, the side plate 18, the corner block 19 and the support block 20 and other structures to rotate synchronously. The support block 20 wraps the blood collection needle to complete the winding work of the blood collection needle.

[0023] Preferably, the vertical cylinder 5 and the plurality of lifting rods 3 are kept parallel, the plurality of lifting rods 3 vertically penetrate the mounting plate 1, the mounting plate 1 and the lifting plate 6 are kept parallel, and the top plate 9 and the bearing plate 10 are kept parallel.

[0024] In the present invention, when in use, first, the device is installed in the blood collection needle production line, and the vertical cylinder 5 drives the lifting plate 6 and other structures to move upward, so that the lifting rod 3, the transverse rod 4, the vertical cylinder 5, the lifting plate 6, the small vertical plate 7, the large vertical plate 8, the top plate 9, the bearing plate 10, the synchronous motor 11, the synchronous wheel 12, the synchronous belt 13, the vertical bearing 14, the rotating shaft 15, the driven wheel 16, the opening cylinder 17, the side plate 18, the corner block 19 and the support block 20 and other structures move upward synchronously, and the blood collection needle production line delivers one end of the blood collection needle to the two clamping claws 23. During the operation, the clamping cylinder 22 drives the two clamping claws 23 to clamp one end of the blood collection needle, and then the synchronous motor 11 drives the synchronous wheel 12, the synchronous wheel 12 drives the synchronous belt 13, and the synchronous belt 13 drives the rotating shaft 15, the driven wheel 16, the opening cylinder 17, the side plate 18, the corner block 19 and the support block 20 to rotate synchronously, and the support block 20 rotates to wrap the blood collection needle, and then the opening cylinder 17 drives the two corner blocks 19 to separate from each other, so that the two support blocks 20 are away from each other to tighten the blood collection needle, and then the small motor 21 drives the wire lever 24 to rotate, and the wire lever The screw rings 24 at both ends are rotated to make the two active plates 30 approach each other, and the active plate 30 pulls one end of the tension spring 31, so that the other end of the tension spring 31 drives the two driven plates 32 to approach each other, and the pressing parts 33 on the sides of the two driven plates 32 gather the blood collection needles on the sides of the support block 20 to reduce the space occupied by the blood collection needles. Finally, the blood collection needle production line clamps the blood collection needle, opens the cylinder 17 to drive the two corner blocks 19 to approach each other, so that the two support blocks 20 approach each other, and the blood collection needle moves out from between the two pressing parts 33, and the holding cylinder 22 drives the blood collection needle to move out. Move the two clamping claws 23 to separate one end of the blood collection needle, and the vertical cylinder 5 drives the lifting plate 6 and other structures to move downward, so that the lifting rod 3, transverse rod 4, vertical cylinder 5, lifting plate 6, small vertical plate 7, large vertical plate 8, top plate 9, bearing plate 10, synchronous motor 11, synchronous wheel 12, synchronous belt 13, vertical bearing 14, rotating shaft 15, driven wheel 16, opening cylinder 17, side plate 18, corner block 19 and support block 20 and other structures move downward synchronously, and the two support blocks 20 are pulled out from the middle of the blood collection needle, and the blood collection needle production line puts the blood collection needle into a packaging bag.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A blood collection needle winding mechanism, comprising a mounting plate (1) and at least two linear bearings (2) passing through and fixed on the mounting plate, wherein a lifting rod (3) passes through the middle of the linear bearing (2), and is characterized in that: A lifting plate (6) is fixed on the top of the lifting rod (3), two small vertical plates (7) and two large vertical plates (8) are fixed on the top of the lifting plate (6), a bearing plate (10) and a top plate (9) are fixed on the top of the two small vertical plates (7) and the two large vertical plates (8), respectively, a synchronous motor (11) is fixed through the bottom of the bearing plate (10), a synchronous wheel (12) is nested and fixed on the power output end of the top of the synchronous motor (11), a vertical bearing (14) is fixed through the middle of the top plate (9), and the vertical bearing (14) is fixed. ) is movable through the middle of the support frame, a rotating shaft (15) is embedded and fixed at the bottom of the rotating shaft (15), a spreading cylinder (17) is fixed at the top of the rotating shaft (15), two corner blocks (19) are arranged at the top of the spreading cylinder (17), a supporting block (20) is fixed at the top of the corner block (19), a side plate (18) is fixed to the side of the spreading cylinder (17), a clamping cylinder (22) is fixed to the side of the side plate (18), and two clamping claws (23) are arranged at the top of the clamping cylinder (22).

2. The blood collection needle winding mechanism according to claim 1, characterized in that: At least one transverse rod (4) is fixed to the bottom of the lifting rod (3), a vertical cylinder (5) is fixed through the bottom of the mounting plate (1), and a small motor (21) is fixed to the top of the support block (20).

3. The blood collection needle winding mechanism according to claim 2, characterized in that: Two fixing plates (27) are fixed in the groove at the top of the support block (20), a small bearing (28) is fixed through the middle of the fixing plate (27), a threaded lever (24) is fixed through the middle of the two small bearings (28), both ends of the threaded lever (24) can be driven to be sleeved with a threaded screw ring (29), and an active plate (30) is nested and fixed on the threaded screw ring (29).

4. The blood collection needle winding mechanism according to claim 3, characterized in that: A tension spring (31) is fixed on the surface of the active plate (30), a driven plate (32) is fixedly provided at one end of the tension spring (31), a pressing portion (33) is integrally formed on the sides of the two driven plates (32), and a sliding portion (34) is integrally formed on both sides of the driven plate (32) and the active plate (30).

5. The blood collection needle winding mechanism according to claim 4, characterized in that: A screw lever (24) is fixed to the power output end at the bottom of the small motor (21), vertical grooves (25) are provided at both sides of the openings of the groove at the top of the support block (20), and screw grooves (26) are provided at both ends of the openings of the screw lever (24).

6. The blood collection needle winding mechanism according to claim 5, characterized in that: The screw grooves (26) at the two ends of the screw lever (24) have opposite spiral directions, and the inner opening of the screw ring (29) is provided with spiral strips, and the spiral strips of the screw ring (29) are matched with the screw grooves (26) at the two ends of the screw lever (24).

7. The blood collection needle winding mechanism according to claim 6, characterized in that: The sliding parts (34) on both sides of the active plate (30) and the driven plate (32) are matched with the vertical grooves (25) on the support block (20), the two driven plates (32) are located in the middle of the two active plates (30), and the two ends of the wire lever (24) are respectively movably penetrated in the two driven plates (32).

8. The blood collection needle winding mechanism according to claim 6, characterized in that: A synchronous belt (13) is wound around the synchronous wheel (12) and the driven wheel (16), and the synchronous wheel (12) and the driven wheel (16) are driven via the synchronous belt (13). The wire lever (24) is located in a groove at the top of the support block (20).

9. The blood collection needle winding mechanism according to claim 6, characterized in that: The vertical cylinder (5) and the plurality of lifting rods (3) are kept parallel, the plurality of lifting rods (3) vertically penetrate the mounting plate (1), the mounting plate (1) and the lifting plate (6) are kept parallel, and the top plate (9) and the bearing plate (10) are kept parallel.

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