CN206050774U - Twin screw helical conveying mechanism - Google Patents

Twin screw helical conveying mechanism Download PDF

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Publication number
CN206050774U
CN206050774U CN201620904680.4U CN201620904680U CN206050774U CN 206050774 U CN206050774 U CN 206050774U CN 201620904680 U CN201620904680 U CN 201620904680U CN 206050774 U CN206050774 U CN 206050774U
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CN
China
Prior art keywords
screw rod
screw
worm
motor
blood taking
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Active
Application number
CN201620904680.4U
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Chinese (zh)
Inventor
张世杰
陈松松
张飞
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Prosperous Happy Medical Apparatus And Instruments Science And Technology Ltd Co In Hebei
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Prosperous Happy Medical Apparatus And Instruments Science And Technology Ltd Co In Hebei
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Priority to CN201620904680.4U priority Critical patent/CN206050774U/en
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Abstract

This utility model is related to a kind of twin screw helical conveying mechanism, which includes the width delivery chute suitable with blood taking needle length, is arranged in the delivery chute and parallel to first screw rod and the second screw rod and motor-driven mechanism of the delivery chute, thread groove on first screw rod and the second screw rod forms the stopper slot for placing blood taking needle, and the motor-driven mechanism drives first screw rod and the second screw rod synchronous axial system to form the conveying to blood taking needle.This utility model simple structure, transfer efficiency are high, and conveying stability is strong, and device manufacturing cost is relatively low, and it is convenient to safeguard and overhaul.

Description

Twin screw helical conveying mechanism
Technical field
This utility model is related to blood taking needle production equipment technical field, specially a kind of twin screw helical conveying mechanism.
Background technology
Vein blood taking needle is typically supported the use for gathering human vein with the vacuum test tube with negative pressure and needle holder Blood.United States Patent (USP) USP5303713 provides a kind of structure of vein blood taking needle, and the vein blood taking needle is by needle tubing, needle stand and guarantor Sheath is constituted, and two ends are respectively provided with the rustless steel needle tubing of needle point and form needle tubing respectively proximally and distally through after needle stand, far Hold for puncturing vein, near-end is used for the plug for puncturing vacuum test tube, and in the presence of vacuum test tube negative pressure, venous blood leads to The inner chamber for crossing needle tubing is entered in vacuum test tube, completes the collection of specimen.In order to avoid cross infection, it is ensured that safety and sanitation, Blood taking needle is used disposably, accordingly, it would be desirable to produce the substantial amounts of disposable vein blood taking needle supply market demand.
For improve production efficiency, production cost is reduced, save human resourcess, the automaticity of production line is increasingly It is high.Wherein, the conveying equipment that arranges of blood taking needle plays important linking effect in whole automated production processing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of twin screw helical conveying for blood taking needle conveying Mechanism.
To solve the above problems, technical solution adopted in the utility model is:
A kind of twin screw helical conveying mechanism, its key technology is:Which includes that a width is suitable with blood taking needle length Delivery chute, it is arranged in the delivery chute and parallel to first screw rod and the second screw rod and Motor drive machine of the delivery chute Structure, the thread groove on first screw rod and the second screw rod form the stopper slot for placing blood taking needle, and the motor-driven mechanism is driven Move first screw rod and the second screw rod synchronous axial system forms the conveying to blood taking needle.
Further, first screw rod and the second screw flight are in opposite direction, and its rotation direction is contrary.
Further, first screw rod and the second screw flight direction are identical, and its rotation direction is identical.
Further, the motor-driven mechanism include motor and the motor output shaft connection power transmission shaft, be arranged on The first worm gear and the second worm gear and the first worm screw and the second worm screw on the power transmission shaft, first worm screw are fixed on described The end of the first screw rod, the first worm screw and first worm gear, second worm screw are fixed on the end of second screw rod Portion, the second worm screw and second worm gear.
Further, the delivery chute is surrounded by two postive stop baffles.
Further, described in two, postive stop baffle end is fixedly connected by fixed mount.
Further, the end of first screw rod and the second screw rod is supported by shaft end gripper shoe.
Using the beneficial effect produced by above-mentioned technical proposal it is:
This utility model simple structure, transfer efficiency are high, and conveying stability is strong, and device manufacturing cost is relatively low, safeguard and examine Repair conveniently.Blood taking needle is spacing by delivery chute, keeps neat and orients, it is to avoid drops.Twin screw is conveyed, and efficiency is higher, and adopts With motor and Worm Wheel System, power transmission form is simple.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation at another visual angle of this utility model.
Fig. 3 is the structural representation of this utility model twin screw transporting pattern embodiment 1.
Fig. 4 is the structural representation of this utility model twin screw transporting pattern embodiment 2.
Wherein:1 motor, 2 connecting poles, 3 shaft couplings, 4 motor mounting plates, the first worm gears of 5-1, the second worm gears of 5-2,6-1 One worm screw, the second worm screws of 6-2,7 power transmission shafts, 8 first screw rods, 9 second screw rods, 10 postive stop baffles, 11 fixed mounts, 12 connecting plates, 13 shaft end gripper shoes, 14 delivery chutes;100 blood taking needles.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and specific embodiment Clear, complete description is carried out to utility model.
A kind of twin screw helical conveying mechanism as depicted in figs. 1 and 2, which includes a width with 100 length phase of blood taking needle When delivery chute 14, be arranged in the delivery chute 14 and parallel to the delivery chute 14 the first screw rod 8 and the second screw rod 9 with And motor-driven mechanism, the thread groove on first screw rod 8 and the second screw rod 9 forms the stopper slot for placing blood taking needle, described Motor-driven mechanism drives first screw rod 8 and 9 synchronous axial system of the second screw rod to form the conveying to blood taking needle 100.
The delivery chute 14 is surrounded by two postive stop baffles 10.The postive stop baffle 10 adopts square-tube type aluminium section bar.Adopt Effect of the blood pin 100 by delivery chute 14, can keep neat orientation, it is to avoid drop.The two ends of blood taking needle 100 are respectively placed in In the thread groove of one screw rod 8 and the second screw rod 9, as the synchronous axial system of the first screw rod 8 and the second screw rod 9 is constantly advanced, rise To the purpose of conveying blood taking needle 100.Described in two, 10 end of postive stop baffle is fixedly connected by fixed mount 11.First screw rod 8 Supported by shaft end gripper shoe 13 with the end of the second screw rod 9.Two shaft end gripper shoes 13 are fixedly installed on a connecting plate 12 On, 12 two ends of connecting plate are fixedly connected with the postive stop baffle 10 of both sides.
The motor-driven mechanism include motor 1, and 1 output shaft of the motor connection power transmission shaft 7, be arranged on the biography The first worm gear 5-1 and the second worm gear 5-2 and the first worm screw 6-1 and the second worm screw 6-2, the first worm screw 6-1 on moving axis 7 The end of first screw rod 8 is fixed on, the first worm screw 6-1 is coordinated with the first worm gear 5-1, the second worm screw 6-2 is solid The end of second screw rod 9 is scheduled on, the second worm screw 6-2 is coordinated with the second worm gear 5-2.
Motor mounting plate 4 is fixedly installed on the postive stop baffle 10, the motor 1 is fixed by four connecting poles 2 and set Put on the motor mounting plate 4.The power transmission shaft 7 is connected by the output shaft of more than 3 motor 1 of shaft coupling.
Embodiment 1
As shown in figure 3, for the top view of screw rod, first screw rod 8 and 9 hand of spiral of the second screw rod conversely, wherein One screw rod 8 is left-handed screw, and the second screw rod 9 is right handed screw, equivalent to the screw rod arranged for two structure mirror images, then in rotation During, the first screw rod 8 is rotated down, and the second screw rod 9 is rotated up, and makes the side shifting to the right of blood taking needle 100.
Embodiment 2
As shown in figure 4, for the top view of screw rod, first screw rod 8 and 9 hand of spiral of the second screw rod conversely, wherein One screw rod 8 is right handed screw, and the second screw rod 9 is left-handed screw, equivalent to the screw rod arranged for two structure mirror images, then in rotation During, the first screw rod 8 is rotated up, and the second screw rod 9 is rotated down, and makes the side shifting to the left of blood taking needle 100.
Used as other embodiment, first screw rod 8 is identical with 9 hand of spiral of the second screw rod, its rotation direction phase Together.The two ends synchronizing moving of blood taking needle 100 is promoted using the direction of rotation of screw thread.
Finally it should be noted that:Above example only to illustrate the technical solution of the utility model, rather than a limitation; Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that: Which still can be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal to Replace;And these modifications or replacement, do not make the essence of appropriate technical solution depart from this utility model embodiment technical scheme Spirit and scope.

Claims (7)

1. a kind of twin screw helical conveying mechanism, it is characterised in that:Which includes a width and blood taking needle(100)Suitable defeated of length Send groove(14), be arranged on the delivery chute(14)It is interior and parallel to the delivery chute(14)The first screw rod(8)With the second screw rod (9)And motor-driven mechanism, first screw rod(8)With the second screw rod(9)On thread groove formed place blood taking needle limit Position groove, the motor-driven mechanism drive first screw rod(8)With the second screw rod(9)Synchronous axial system is formed to blood taking needle (100)Conveying.
2. a kind of twin screw helical conveying mechanism according to claim 1, it is characterised in that:First screw rod(8)With Second screw rod(9)Hand of spiral is conversely, its rotation direction is contrary.
3. a kind of twin screw helical conveying mechanism according to claim 1, it is characterised in that:First screw rod(8)With Second screw rod(9)Hand of spiral is identical, and its rotation direction is identical.
4. a kind of twin screw helical conveying mechanism according to any one of claim 1-3, it is characterised in that:The motor drives Motivation structure includes motor(1), and the motor(1)The power transmission shaft of output shaft connection(7), be arranged on the power transmission shaft(7)On First worm gear(5-1)With the second worm gear(5-2)And first worm screw(6-1)With the second worm screw(6-2), first worm screw(6- 1)It is fixed on first screw rod(8)End, the first worm screw(6-1)With first worm gear(5-1)Coordinate, second snail Bar(6-2)It is fixed on second screw rod(9)End, the second worm screw(6-2)With second worm gear(5-2)Coordinate.
5. a kind of twin screw helical conveying mechanism according to any one of claim 1-3, it is characterised in that:The delivery chute (14)By two postive stop baffles(10)Surround.
6. a kind of twin screw helical conveying mechanism according to claim 5, it is characterised in that:Postive stop baffle described in two(10) End passes through fixed mount(11)It is fixedly connected.
7. a kind of twin screw helical conveying mechanism according to claim 6, it is characterised in that:First screw rod(8)With Second screw rod(9)End pass through shaft end gripper shoe(13)Support.
CN201620904680.4U 2016-08-19 2016-08-19 Twin screw helical conveying mechanism Active CN206050774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620904680.4U CN206050774U (en) 2016-08-19 2016-08-19 Twin screw helical conveying mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620904680.4U CN206050774U (en) 2016-08-19 2016-08-19 Twin screw helical conveying mechanism

Publications (1)

Publication Number Publication Date
CN206050774U true CN206050774U (en) 2017-03-29

Family

ID=58384694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620904680.4U Active CN206050774U (en) 2016-08-19 2016-08-19 Twin screw helical conveying mechanism

Country Status (1)

Country Link
CN (1) CN206050774U (en)

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