CN212638069U - Automatic boxing device for pipette head - Google Patents

Abstract

The utility model relates to an automatic cartoning device of liquid-transfering gun rifle head, including feeding mechanism, feeding mechanism is connected with the fixed rifle head guide rail that sets up, can send into the rifle head guide rail with the rifle head, and rifle head guide rail end is equipped with ejection of compact control for control rifle head flows out rifle head guide rail, and rifle head guide rail end below is equipped with two-axis link gear, two-axis link gear with put box pallet fixed connection, put the box pallet and be used for placing rifle head box, the utility model discloses a device work efficiency is high, low in labor strength.

Description

Automatic boxing device for pipette head

Technical Field

The utility model relates to a equipment for packing technical field, concretely relates to automatic cartoning device of liquid-transfering gun rifle head.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

The pipette is one kind of pipettor, is commonly used in the laboratory and moves and gets a small amount of or trace liquid, and the specification is different, and the pipette of different specifications matches and uses the rifle head of different sizes, and pipette and rifle head belong to accurate cause, use and deposit all need carefully and carefully.

The inventor finds that most of the pipette tips purchased at present are in bulk, and the pipette tips are manually inserted into a pipette tip box one by one before experiments are carried out in the using process of the pipette tips so as to be convenient to use. The gun head is arranged in the gun head box, so that the work is very complicated, the efficiency is extremely low, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide an automatic cartoning device of liquid-transfering gun rifle head, can carry out automatic dress box to the rifle head, work efficiency is high, low in labor strength.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the embodiment of the utility model provides an automatic cartoning device of liquid-transfering gun rifle head, including feeding mechanism, feeding mechanism is connected with the fixed rifle head guide rail that sets up, can send into the rifle head guide rail with the rifle head, and rifle head guide rail end is equipped with ejection of compact control for control rifle head flows out rifle head guide rail, and rifle head guide rail end below is equipped with two-axis link gear, two-axis link gear with put box platform fixed connection, put the box platform and be used for placing the rifle head box.

In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, the feeding mechanism includes a funnel, a first screw rod and a second screw rod which are used for supporting the gun head are arranged in parallel at the bottom of the funnel, the first screw rod and the second screw rod are connected with a feeding driving member, and the feeding driving member is used for driving the first screw rod and the second screw rod to rotate in opposite directions.

In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the feeding driving member is further connected with a cam, the cam contacts with a vibrating rod extending into the funnel, the vibrating rod is slidably connected with the funnel wall of the funnel, and an end portion of the vibrating rod extending into the funnel is connected with a vibrating piece.

In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the discharge control part employs an impeller valve, and a photoelectric sensor is mounted on the impeller valve.

Combine the first aspect, the embodiment of the utility model provides a possible implementation mode of the first aspect, two-axis linkage mechanism includes the fixed station, and the fixed station top is connected with the mobile station, and ratchet is installed to the mobile station, ratchet and gear connection, gear and the rack that is located the fixed station side mesh mutually, and the mobile station can be through ratchet, gear and rack and be intermittent motion along first direction, and the mobile station is installed and is put the linear drive mechanism that the box platform is connected, and linear drive mechanism can drive and put the box platform along with the motion of first direction vertically second direction.

In combination with the first aspect, the embodiment of the utility model provides a possible implementation mode of the first aspect, the gear is along vertical setting a plurality of, and the tooth number of a plurality of gears is different, and the fixed station passes through distance adjustment mechanism with the mobile station to be connected, and distance adjustment mechanism is used for adjusting the distance between fixed station and the mobile station, is equipped with the actuating mechanism that resets between distance adjustment mechanism and the fixed station, and actuating mechanism that resets can drive distance adjustment mechanism and mobile station along the motion of the third direction opposite with the first direction on the fixed station.

Combine the first aspect, the embodiment of the utility model provides a possible implementation mode of the first aspect, apart from adjustment mechanism including fixing the telescopic shaft in the mobile station bottom surface, the telescopic shaft is equipped with a plurality of locating holes along its axis, and the tip height that the locating hole is close to the telescopic shaft axis is less than other end tip height, the telescopic shaft stretch into the sleeve inside and with sleeve bottom surface elastic connection, the muffjoint is connected with the driving lever, the driving lever top is equipped with the locating pin, the locating pin can insert in the locating hole, driving lever bottom and sleeve elastic connection.

In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the reset driving mechanism includes a driving wheel, the driving wheel is disposed in a wheel groove formed in the fixing station, the driving wheel is connected with a wheel carrier installed at the distance adjusting mechanism in a rotating manner, and the driving wheel is connected with a driving member fixed on the wheel carrier.

In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where a plurality of auxiliary supporting mechanisms are further disposed between the fixed station and the mobile station, and are used for keeping balance when the mobile station moves along the fixed station.

Combine first aspect, the embodiment of the utility model provides a possible implementation mode of first aspect, linear drive mechanism adopts screw drive mechanism, including fixing the lead screw motor at the mobile station, lead screw motor and screw connection, screw connection has the lead screw slider, lead screw slider and mobile station sliding connection, it is connected with the lead screw slider rotation to put the box platform.

The utility model has the advantages that:

1. the utility model discloses an automatic cartoning device, feeding mechanism can send into the rifle head pay-off guide rail automatically, and the pay-off guide rail can be sent into the rifle head and place in the rifle head box of putting the box platform, and put the box platform and be connected with two-axle linkage mechanism, can put into the different positions of rifle head box with a plurality of rifle heads, has realized the automatic dress box of rifle head, and work efficiency is high, low in labor strength.

2. The utility model discloses an automatic cartoning device, the gear is along vertical setting a plurality ofly, makes different gears can mesh with the rack through apart from adjustment mechanism, can adjust the distance that the mobile station once removed along the fixed station, has satisfied the dress box requirement of different specification rifle heads.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a front view of the overall structure of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a distance adjustment mechanism according to embodiment 1 of the present invention;

the automatic feeding device comprises a hopper 1, a first screw rod 2, a second screw rod 3, a feeding motor 4, a rotating rod 5, a cam 6, a vibrating reed 7, a gun head guide rail 8, an impeller valve 9, a fixing table 10, a moving table 11, a lead screw 12, a lead screw 13, a lead screw motor 14, a lead screw sliding block 15, a box placing table 15, a ratchet wheel 16, a pawl 17, a touch rod 18, a gear 19, a telescopic shaft 20, a sleeve 21, a telescopic spring 22, a wheel frame 23, a driving wheel 24, a driving wheel 25, a driving wheel motor 26, a positioning hole 27, a support 28, a driving rod 29, a positioning pin 29, a control spring 30, a supporting mechanism 31, a rack 32, a gun head 33 and a gun head box 34.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Just as the introduction of background art, the manual dress box of current liquid-transfering gun rifle head adopts, and work efficiency is low, and intensity of labour is big, and to above-mentioned problem, this application has proposed an automatic dress box device of liquid-transfering gun rifle head.

In embodiment 1 of a typical embodiment of the present application, as shown in fig. 1 to 3, an automatic boxing device for pipette tips includes a feeding mechanism, the feeding mechanism is connected to the top end of a pipette tip guide rail arranged downward in a spiral manner, a two-axis linkage mechanism is arranged below the bottom end of the pipette tip guide rail, the two-axis linkage mechanism is connected to a box placing table, the two-axis linkage mechanism can drive the box placing table to change positions, the feeding mechanism can feed the pipette tips to be boxed into the pipette tip guide rail, and the pipette tips can slide down along the pipette tip guide rail under the action of gravity of the pipette tips and fall into corresponding placement positions of the pipette tip boxes placed on the box placing table.

The feeding mechanism comprises a funnel 1 with an inverted cone-shaped structure, the funnel is fixedly connected with a shell, two first screw rods 2 and two second screw rods 3 which are arranged in parallel are arranged at the bottom of the funnel, the first screw rods and the second screw rods are rotatably connected with the shell and are connected with a feeding driving piece, the feeding driving piece can drive the first screw rods and the second screw rods to rotate in opposite directions, a gun head to be boxed can penetrate through a gap between the first screw rods and the second screw rods and is supported by the first screw rods and the second screw rods, and thread structures on the first screw rods and the second screw rods can drive the gun head to move to convey the gun head.

The distance between the first screw rod and the second screw rod is adjusted, and the conveying requirements of gun heads of different specifications can be met.

The pay-off driving piece includes pay-off motor 4, the pay-off motor is fixed on the shell, and the drive shaft and the dwang 5 of pay-off motor are connected, can drive the rotation of dwang, be equipped with on the dwang with first screw rod and second screw rod assorted meshing portion, the dwang can mesh with first screw rod and second screw rod through meshing portion mutually, and then the rotation of dwang can drive the rotation in opposite directions of first screw rod and second screw rod.

Still be fixed with cam 6 on the dwang, the cam contacts with vibrting arm 7, and the vibrting arm is through setting up spout and the funnel sliding connection on the funnel wall of funnel, and the vibrting arm stretches into inside and be connected with the trembler of funnel, and the rotation of dwang can drive the trembler through the cam and be reciprocating elevating movement, can reduce piling up of rifle head, makes the rifle head fall to the space between first screw rod and the second screw rod.

The gun head guide rail 8 is formed by combining two semicircular pipes arranged along a spiral line, the top ends of the semicircular pipes are fixed on the hopper and arranged at the tail end positions of the first screw rod and the second screw rod, and the gun head guide rail can receive the gun head transmitted by the first screw rod and the second screw rod. The distance between the two semicircular pipes is the same as the distance between the first screw and the second screw, and the gun head can penetrate through the gap between the two semicircular pipes and is supported by the semicircular pipes.

The automatic feeding device is characterized in that a discharging control part connected with a control system is arranged at the bottom end of the gun head guide rail, an impeller valve 9 is adopted as the discharging control part, the impeller valve is mounted on the shell, a photoelectric sensor connected with the control system is mounted on the impeller valve, the gun head falling along the gun head guide rail touches the photoelectric sensor, the photoelectric sensor sends an instruction to the control system, the control system controls the impeller valve to rotate for setting an angle, the gun head falls out of a gap between two blades of the impeller valve and enters a gun head box, intermittent and accurate discharging of the gun head is achieved through the impeller valve, and the phenomenon that the gun head cannot fall into the gun head box due to the fact that the.

The two-axis linkage mechanism comprises a fixed table 10, a moving table 11 is arranged above the fixed table and can move on the fixed table along a first direction and a third direction opposite to the first direction, a linear driving mechanism is arranged on the moving table and connected with the box placing table and can drive the box placing table to move along a second direction vertical to the first direction.

The mobile platform is provided with a mounting groove, the linear driving mechanism comprises a lead screw 12 penetrating through two groove surfaces of the mounting groove, the axis direction of the lead screw is parallel to the second direction, one end of the lead screw is connected with a lead screw motor 13 fixed on the mobile platform, the lead screw motor can drive the lead screw to rotate, a lead screw sliding block 14 is connected onto the lead screw, the lead screw sliding block is connected with the mobile platform in a sliding mode, and the lead screw can be driven to move along the second direction by rotation of the lead screw.

The lead screw sliding block is fixedly connected with the box placing table 15, and the lead screw sliding block can drive the box placing table to move along the second direction by moving along the second direction.

The two sides of the upper surface of the box placing table are provided with ratchet mechanisms, and when the box placing table moves to the end part of the lead screw, the box placing table can be touched with the ratchet mechanisms and drives the ratchet mechanisms to work.

Ratchet adopt current ratchet can, include the ratchet 16 of being connected with the mobile station rotation, the teeth of a cogwheel of ratchet contacts with two pawls 17, the pawl passes through the torsional spring and is connected with 18 rotations of touching pole, and the touching pole passes through the torsional spring to be connected with the mobile station rotation, puts the box platform and touches the touching pole, can drive the touching pole and rotate, and then stirs ratchet rotation set angle through the pawl, under the effect of torsional spring, the pawl all the time with the teeth of a cogwheel contact of ratchet, put the box platform and leave behind the touching pole, the touching pole resets under the effect of torsional spring.

It will be appreciated that other types of ratchet surfaces may be used, as long as intermittent drive is provided.

The ratchet wheel is fixedly connected with the ratchet shaft, the ratchet shaft penetrates through the mobile platform and is rotatably connected with the mobile platform through a bearing, the ratchet shaft is fixedly connected with three gears 19 which are distributed up and down, the gears are located below the workbench, the number of the teeth of the three gears is different, and the ratchet wheel can drive the three gears to rotate intermittently in a single direction through the ratchet shaft.

The fixed station is arranged below the mobile station and fixedly connected with the shell, racks 32 are arranged on two side faces of the fixed station and can be meshed with the gear, the ratchet shaft drives the gear to rotate, and the gear can drive the mobile station to do intermittent unidirectional motion along the first direction by utilizing the meshing effect of the gear and the racks.

Different gears are meshed with the racks, and the teeth of the gears are different, so that after the different gears rotate for the same set angle, the moving table moves at different distances along the first direction, and the boxing requirements of guns with different specifications are met.

A distance adjusting mechanism is arranged between the mobile station and the fixed station and can adjust the distance between the mobile station and the fixed station, so that different gears are meshed with the racks, and the racks can be not meshed with the gears.

Apart from adjustment mechanism including fixing telescopic shaft 20 in the mobile station bottom surface, inside telescopic shaft stretched into sleeve 21, be equipped with expanding spring 22 between telescopic shaft and the telescopic bottom surface, telescopic bottom surface installation actuating mechanism that resets, actuating mechanism includes wheel carrier 23 that resets, the wheel carrier rotates and is connected with drive wheel 24, the drive wheel is connected with installation wheel carrier driving piece, the driving piece adopts drive wheel motor 25 to connect, and the output shaft and the drive wheel of drive wheel motor are connected, in the race that the fixed station of drive wheel embedding set up and with the bottom groove face contact in race, the drive wheel motor can drive the drive wheel and rotate, and then drives apart from adjustment mechanism and mobile station along the third direction motion opposite with the first direction.

The telescopic shaft is provided with three positioning holes 26, the axes of the positioning holes and the axis of the telescopic shaft form an included angle, the height of the end part of the positioning hole far away from the axis of the telescopic shaft is larger than that of the end part of the other end of the positioning hole, and the positioning holes are arranged in a downward inclined mode towards the inside of the telescopic shaft.

The sleeve is fixed with support 27, the support rotates and is connected with driving lever 28, the driving lever is L type structure, including first dial rod portion and second dial rod portion, first dial rod portion middle part position is connected with the support rotation, and the top of first dial rod portion is equipped with locating pin 29, the cross sectional dimension of locating pin is less than the cross sectional dimension of locating hole, and the locating pin can insert in the locating hole, the bottom of first dial rod portion is connected with control spring 30's one end, and control spring's the other end and muffjoint, under control spring's effect, the locating pin can insert in the locating hole.

The bottom end of the first deflector rod part is integrally connected with the second deflector rod part.

In this embodiment, the mobile station moves to the fixed station end time along first direction, second driving lever portion can collide with the protruding structure that sets up at the fixed station, first driving lever portion rotates, the compression of control spring, under first driving lever portion rotation effect, the locating pin leaves the locating hole, this moment under expanding spring's effect, the flexible axial upward movement can make rack and gear break away from the meshing, drive wheel motor work this moment, drive the mobile station along the motion of third direction, make the mobile station get back to the head end of fixed station.

At the head end of the fixed table, the telescopic shaft is pressed downwards, and when the positioning pin moves to the position of the positioning hole, the positioning pin is inserted into the positioning hole under the action of the control spring, and the end part of the positioning pin is contacted with the hole surface of the positioning hole. At the moment, the force of the positioning pin is vertical to the axis of the positioning pin by the telescopic spring through the telescopic shaft, so that the positioning pin and the positioning hole are clamped and fixed; if continue to press down the telescopic shaft, because the locating hole is to the inside downward sloping of telescopic shaft, the last hole face of locating hole can be to the outside driving force of locating pin level, consequently can make the control spring compression promote the locating pin and break away from the locating hole. When the positioning pin moves to the position corresponding to the next positioning hole, the positioning pin is reinserted into the positioning hole under the action of the control spring. By adopting the mode, the mobile station and the fixed station are locked and fixed at different distances, and the meshing switching between the rack of the fixed station and different gears is realized.

In this embodiment, support mechanisms 31 are further arranged between the four corners of the mobile station and the fixed station, and the support mechanisms are the same as the distance adjusting mechanisms in structure, so that the difference is that no driving wheel motor is arranged, no shift lever, no control spring and no positioning pin are arranged, and no positioning hole is arranged on the telescopic shaft, so that the mobile station is supported when the mobile station moves along the second direction, and the balance of the mobile station is kept.

Example 2:

a gun head box 34 is placed on a box placing table, a linear driving mechanism drives the box placing table to move until the bottom end of a gun head guide rail is aligned with one placing position of the gun head box, a gun head 33 is placed in a hopper, the gun head falls into a gap between a first screw and a second screw and is supported by the first screw and the second screw, a feeding motor drives the first screw and the second screw to rotate oppositely through a rotating rod, the gun head is driven to move towards the gun head guide rail by using a spiral conveying principle until the gun head is fed into the gun head guide rail, the gun head slides downwards along the gun head guide rail until the gun head is touched with a photoelectric sensor of an impeller valve, the impeller valve rotates, the gun head falls into the placing position of the gun head box from the gap between blades of the impeller valve, the linear driving mechanism drives the box placing table to move, the adjacent placing positions of the same row of the gun head box are aligned with the tail end of the gun head guide, the gun heads fall into the gun head box by the same method until the gun heads are fully placed at the gun head box placing positions in the same row, the box placing table moves to the end part of the screw rod and is touched with the ratchet mechanism, the ratchet mechanism drives the moving table to move along the first direction through the gear rack, the gun heads are fully placed at the other row of placing positions by the same method, the gun head box can be taken down at the moment, the deflector rod is touched with the protruding structure arranged on the fixed table, at the moment, under the action of the telescopic spring, the distance between the fixed table and the moving table is increased, the gear and the rack are disengaged, the driving wheel motor works to drive the moving table to move along the third direction to return to the initial position, the next gun head box is placed into the box placing table, and the gun head loading work of the next gun head box is.

In the embodiment, the impeller valve, the photoelectric sensor, the feeding motor, the lead screw motor, the driving wheel motor and other elements are all connected with the control system, and the control system controls the automatic operation of the components.

The whole boxing process is carried out automatically, manual operation of workers is not needed, boxing efficiency of the gun head is greatly improved, and labor intensity of the workers is reduced.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. The automatic boxing device for the pipette heads is characterized by comprising a feeding mechanism, wherein the feeding mechanism is connected with a fixedly arranged pipette head guide rail and can be used for feeding the pipette heads into the pipette head guide rail, a discharging control part is arranged at the tail end of the pipette head guide rail and is used for controlling the pipette heads to flow out of the pipette head guide rail, a two-shaft linkage mechanism is arranged below the tail end of the pipette head guide rail and is fixedly connected with a box placing platform, and the box placing platform is used for placing the pipette head boxes.

2. The automatic boxing device for the pipette tips of claim 1, wherein the feeding mechanism comprises a hopper, a first screw and a second screw for supporting the pipette tips are arranged at the bottom of the hopper in parallel, the first screw and the second screw are connected with a feeding driving part, and the feeding driving part is used for driving the first screw and the second screw to rotate oppositely.

3. The automatic boxing apparatus for pipette tips as claimed in claim 2, wherein the feeding driving member is further connected with a cam, the cam is in contact with a vibrating rod extending into the hopper, the vibrating rod is slidably connected with the hopper wall of the hopper, and the end part of the vibrating rod extending into the hopper is connected with a vibrating plate.

4. The automatic boxing device for the pipette tips of claim 1, wherein the discharge control part is an impeller valve, and a photoelectric sensor is mounted on the impeller valve.

5. The automatic pipette tip boxing apparatus of claim 1, wherein the two-axis linkage mechanism comprises a fixed table, a movable table is connected above the fixed table, the movable table is provided with a ratchet mechanism, the ratchet mechanism is connected with a gear, the gear is meshed with a rack positioned on the side surface of the fixed table, the movable table can make intermittent motion along a first direction through the ratchet mechanism, the gear and the rack, the movable table is provided with a linear driving mechanism connected with the box placing table, and the linear driving mechanism can drive the box placing table to move along a second direction perpendicular to the first direction.

6. The automatic pipette tip boxing apparatus of claim 5, wherein the plurality of gears are vertically arranged, the plurality of gears have different teeth, the fixed platform is connected with the movable platform through a distance adjusting mechanism, the distance adjusting mechanism is used for adjusting the distance between the fixed platform and the movable platform, a reset driving mechanism is arranged between the distance adjusting mechanism and the fixed platform, and the reset driving mechanism can drive the distance adjusting mechanism and the movable platform to move on the fixed platform in a third direction opposite to the first direction.

7. The automatic pipette tip boxing apparatus of claim 6, wherein the distance adjustment mechanism comprises a telescopic shaft fixed on the bottom surface of the mobile station, the telescopic shaft is provided with a plurality of positioning holes along the axis thereof, the height of the positioning holes at the end part close to the axis of the telescopic shaft is smaller than that of the other end part, the telescopic shaft extends into the sleeve and is elastically connected with the bottom surface of the sleeve, the sleeve is rotatably connected with a shift lever, the top part of the shift lever is provided with a positioning pin, the positioning pin can be inserted into the positioning holes, and the bottom part of the shift lever is elastically connected with the sleeve.

8. The automatic pipette tip boxing device of claim 6, wherein the reset driving mechanism comprises a driving wheel, the driving wheel is arranged in a wheel groove formed in the fixed table, the driving wheel is rotatably connected with a wheel frame arranged on the distance adjusting mechanism, and the driving wheel is connected with a driving piece fixed on the wheel frame.

9. The automatic boxing apparatus for pipette tips as claimed in claim 6, wherein a plurality of auxiliary support mechanisms are arranged between the fixed table and the moving table for keeping the moving table balanced when moving along the fixed table.

10. The automatic box packing device for pipette tips of claim 5, wherein the linear driving mechanism is a lead screw transmission mechanism comprising a lead screw motor fixed on the moving platform, the lead screw motor is connected with a lead screw, the lead screw is connected with a lead screw slider, the lead screw slider is slidably connected with the moving platform, and the box placing platform is rotatably connected with the lead screw slider.

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