Automatic boxing device for pipette tips

Abstract

The utility model relates to an automatic boxing device for pipette tips. The automatic boxing device comprises a base; the feeding groove is arranged above the base and is used for placing a gun head; the blanking device is obliquely arranged above the base and is used for arranging the gun heads; the feeding device is connected with the feeding groove and the discharging device and conveys the gun heads in the feeding groove to the position above the discharging device. The blanking groove is arranged above the base, is positioned below the blanking device and is used for accommodating the gun heads which do not enter the blanking device; the conveying device is connected with the blanking groove and the feeding groove and is used for conveying the gun heads in the blanking groove into the feeding groove; wherein the blanking device comprises a sliding chute, the bottom surface of the sliding chute comprises an arrangement sieve, the feeding device conveys the gun heads to the position above the blanking device, the gun heads slide into the sliding chute, the gun heads slide into the arrangement sieve to be sequenced under the gravity of the gun heads, and the gun heads which do not slide into the arrangement sieve fall into the blanking chute. According to the automatic boxing device, the bulk gun heads can be automatically sorted and boxed.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental equipment field, especially a kind of automatic boxing device of pipette tip. BACKGROUND

[0002] Pipette tip (abbreviation "tip") is the vessel used to measure small amount of liquid matched with pipette. Because pipette has the advantages of convenient, fast, accurate, economical and the like, it is favored by biological, chemical laboratory and medical institution.

[0003] The price of whole box of tip purchased in market is very expensive at present, and the use amount of tip is large in experimental process, and whole box of tip can cause the increase of experimental cost. Therefore, in order to save cost, user usually purchases a large number of bulk tip, and the bulk tip is loaded into tip box by hand to facilitate use in experiment. But it needs to consume a lot of time to load bulk tip into tip box by hand one by one, which can increase the cycle of experiment, and if not handled properly in loading process, it is easy to cause tip pollution, drop and waste. Therefore, the field needs a kind of automatic tip boxing device to replace manual tip boxing work. SUMMARY

[0004] In view of the technical problems in the prior art, the utility model provides an automatic tip boxing device of pipette, which comprises: a base; a feeding groove arranged above the base and used for placing bulk tip; a blanking device arranged obliquely above the base and used for arranging the bulk tip; a feeding device connected with the feeding groove and the blanking device and used for conveying the bulk tip in the feeding groove to above the blanking device; a blanking groove arranged above the base and below the blanking device and used for accommodating the bulk tip not entering the blanking device; and a conveying device connected with the blanking groove and the feeding groove and used for conveying the bulk tip in the blanking groove to the feeding groove; wherein the blanking device comprises a chute, and a sorting screen is arranged on the bottom surface of the chute; the feeding device conveys the bulk tip to above the blanking device, the bulk tip slides into the chute, the bulk tip is sorted by gravity into the sorting screen, and the bulk tip not sliding into the sorting screen falls into the blanking groove.

[0005] The automatic tip boxing device of pipette as described above, wherein the sorting screen can be removed from the blanking device.

[0006] The automatic tip boxing device of pipette as described above, wherein the sorting screen can be placed in a tip box.

[0007] The automatic boxing device of the pipette tip as described above, the row straightening sieve comprises a frame body and one or more row straightening strips arranged on the frame body, and the adjacent row straightening strips are used for accommodating the sliding-in scattered tips.

[0008] The automatic boxing device of the pipette tip as described above, the row straightening sieve further comprises an adjusting device arranged on the frame body and used for controlling the spacing between the adjacent row straightening strips.

[0009] The automatic boxing device of the pipette tip as described above, the row straightening sieve further comprises a panel and a supporting leg, the panel and the supporting leg are arranged at two ends of the frame body respectively, and the panel shields the frame body when the frame body is arranged on the falling device.

[0010] The automatic boxing device of the pipette tip as described above, the height of the supporting leg is greater than the length of the scattered tip, and the supporting leg is used for protecting the scattering.

[0011] The automatic boxing device of the pipette tip as described above, the frame body further comprises a clamping groove arranged thereon and used for clamping and fixing with the falling device.

[0012] The automatic boxing device of the pipette tip as described above, the horizontal height of the falling groove is higher than the horizontal height of the feeding groove, the conveying device is a rotating slide, and the bulk tip falls into the falling groove and is slid into the feeding groove by the rotating slide.

[0013] The automatic boxing device of the pipette tip as described above, further comprising: a cover arranged on the base and covering the feeding groove, the falling device, the feeding device, the falling groove and the conveying device.

[0014] The automatic boxing device of the pipette tip as described above, further comprising: a cover arranged on the base and covering the feeding groove, the falling device, the feeding device, the falling groove and the conveying device. BRIEF DESCRIPTION OF DRAWINGS

[0015] In the following, the preferred embodiments of the present application will be further described in detail with reference to the accompanying drawings, in which:

[0016] Figure 1 It is a schematic diagram of the pipette tip automatic boxing device according to an embodiment of the present application;

[0017] Figures 2A-2D It is a schematic diagram of the pipette tip automatic boxing device according to an embodiment of the present application;

[0018] Figure 3A And Figure 3BA schematic diagram of a sorting and screening structure according to an embodiment of the present application;

[0019] Figures 4A-4D A schematic diagram of a picking and boxing device structure according to an embodiment of the present application; and

[0020] Figure 5A And 5B A partial schematic diagram of a picking and boxing device according to an embodiment of the present application. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the following detailed description, reference can be made to the various drawings that form a part of the specification and are included to further explain the specific embodiments of the present application. In the drawings, like numerals describe generally similar components throughout the several views. The various specific embodiments of the present application are described in sufficient detail to enable one skilled in the art to practice the technical scheme of the present application. It should be understood that other embodiments or structural, logical or electrical changes can also be made to the embodiments of the present application.

[0023] The present application discloses a device that can automatically box pipette tips. The device can sort and arrange bulk pipette tips and box them, and can realize automatic processing of bulk pipette tip boxing, which is beneficial to saving experimental costs, saving the time of experimental personnel, reducing the cycle of experiments, and avoiding pollution and dropping during the bulk pipette tip boxing process.

[0024] The technical scheme of the present application will be further described below through specific embodiments. Those skilled in the art should understand that the following description is only for the convenience of understanding the technical scheme of the present application, and should not be used to limit the protection scope of the present application.

[0025] Figure 1 A schematic diagram of a pipette tip automatic boxing device according to an embodiment of the present application. Figures 2A-2D A partial structure schematic diagram of a pipette tip automatic boxing device according to an embodiment of the present application. Figures 2A-2C Different angle schematic diagrams of a partial structure of a pipette tip automatic boxing device, Figure 2D A schematic diagram of the internal structure of a pipette tip automatic boxing device.

[0026] As shown in the figure, the automatic boxing device (hereinafter referred to as "automatic boxing device") 100 of the pipette tip includes a base 110, a blanking device 120, a feeding groove 130, a feeding device 140, a blanking groove 150, and a conveying device 160. Among them, the blanking device 120, the feeding groove 130, the feeding device 140, the blanking groove 150, and the conveying device 160 are arranged above the base 110. The blanking device 120 can arrange the bulk tips entering it so that the tips are arranged in order in the blanking device. The feeding groove 130 can be used to accommodate bulk tips. The feeding device 140 can be used to convey the bulk tips in the feeding groove 130 to the top of the blanking device. The blanking groove 150 can be used to accommodate tips that do not enter the blanking device. The conveying device 160 can be used to convey the bulk tips in the blanking groove 150 that do not enter the blanking device to the feeding groove. The tips can be conveyed to the blanking device again through the feeding device 140, so that the automatic sorting of the tips can be realized. In some embodiments, the automatic boxing device 100 can also not include the feeding device 140, that is, the feeding groove 130 can be directly arranged above the blanking device 120, and the tips in the feeding groove can be directly poured into the blanking device. The tips that do not fall into the blanking groove enter the blanking groove, and the conveying device can convey the tips to the feeding groove again.

[0027] In some embodiments, the base 110 is long strip-shaped, and its upper surface defines the working surface of the automatic boxing device, and the blanking device 120, the feeding groove 130, the feeding device 140, the blanking groove 150, and the conveying device 160 are arranged thereon. In some embodiments, the upper surface of the base 110 can include an outer edge 111 around it, which can shield the bulk tips to prevent the tips from falling outside the automatic boxing device during movement, causing contamination and waste of the tips. In some embodiments, the base 110 can include a plurality of cavities (such as a storage cavity 112, an electrical control cavity 113, etc.) for accommodating different functional structures. For example: the storage cavity 112 can be used to accommodate bulk tips, tip boxes, and other items; the electrical control cavity 113 can be used to accommodate an electrical control box to control the operation of the automatic boxing device, etc. In some embodiments, each cavity on the base can be opened to facilitate the taking and placing of items and / or maintenance and repair, etc.

[0028] In some embodiments, the blanking device 120 is disposed above the base 110 in an inclined manner, with its lower end disposed on the upper surface of the base. The bulkhead can slide down from the upper end of the blanking device to the lower end of the blanking device. In the process of sliding down, the bulkhead can enter the blanking device due to its own gravity. The bulkhead that does not enter the blanking device slides from the lower end of the blanking device to the blanking chute 150. In some embodiments, the inclination angle of the blanking device 120 can be 120-140 degrees, preferably 130 degrees, so that the bulkhead can also enter the blanking device in the case of sliding down on the blanking device.

[0029] In some embodiments, the blanking device 120 can include a chute 121, and the bottom surface of the chute 121 includes a sorting screen 122. In this case, the bulkhead can slide down from the chute 121 and enter the sorting screen 122 due to its own gravity. The sorting screen can sort the bulkhead that slides in. The bulkhead that does not slide into the sorting screen falls into the blanking chute 150. In some embodiments, the sorting screen can be removed from the blanking device, so that the sorting screen can be maintained or replaced, and the adaptability of the automatic boxing device can be increased to adapt to different sizes of bulkheads. In some embodiments, the sorting screen can also be placed in the bulkhead box, so that the bulkhead that is completely sorted on the sorting screen can be moved to the bulkhead box for complete bulkhead boxing.

[0030] Reference Figure 3A and Figure 3B , Figure 3A and Figure 3B is a schematic diagram of a sorting screen structure according to an embodiment of the present application. As shown in the figure, the sorting screen 122 includes a frame 310 and one or more sorting strips 320 disposed in the frame 310. In this case, the sorting strips 320 are disposed in the direction of the chute 121, and the bulkhead can slide between adjacent sorting strips and be sorted between adjacent sorting strips. In some embodiments, the spacing between adjacent sorting strips is less than the maximum diameter of the bulkhead, so that the bulkhead can be accommodated between two sorting strips.

[0031] In some embodiments, the frame 310 can include multiple regions. For example, a sorting region 311 for sorting bulkheads and other regions 312 outside the sorting region. In this case, the size of the sorting region 311 is the same as the size of the opening at the bottom of the chute 121, and the bulkhead can fall from the chute onto the sorting screen. In addition, the chute can also hide the structure of other regions to prevent the bulkhead from falling into other regions. In some embodiments, the frame 310 can also include one or more partition strips 313, which can be used to separate the sorting region 311 and the other regions 312, so that the bulkhead can be blocked in the sorting region 311.

[0032] In some embodiments, the aligning screen 122 can further comprise a plurality of supporting legs 330, which can be arranged at the corners of the frame 310, and can support the frame 310, so as to support and protect the gun heads arranged between the aligning strips 320 from being contaminated by other objects. In some embodiments, the aligning screen 122 can further comprise a panel 340 arranged on the frame 310 and located on the side opposite to the supporting legs, which can cooperate with the supporting legs to support the frame 310, and can shield the inside when the aligning screen is arranged on the material falling device and / or the gun head box. In some embodiments, the height of the supporting legs and / or the panel is greater than the length of the gun heads, so as to elevate the gun heads to a certain height to avoid the gun heads from contacting other objects. In some embodiments, the supporting legs 330 can be hidden on the frame 310, so as to reduce the thickness of the aligning screen and facilitate storage.

[0033] In some embodiments, the aligning screen 122 can further comprise an adjusting device 350, which can be used to adjust the distance between adjacent aligning strips, so as to adapt the aligning screen 122 to the arrangement of gun heads of different sizes and increase the adaptability of the aligning screen 122. In some embodiments, the adjusting device 350 can comprise an adjusting screw 351 and a telescopic device 352. The telescopic device 352 is arranged between a plurality of aligning strips, and the adjusting screw 351 is connected to one of the aligning strips, and the distance between adjacent aligning strips can be adjusted by adjusting the telescopic device 352 by rotating the adjusting screw. According to an embodiment of the present application, the adjusting screw 351 is connected between the panel 340 and the aligning strip close to the panel 340, so that the position of the aligning strip close to the panel 340 can be adjusted by adjusting the telescopic device through the adjusting screw. In some embodiments, the telescopic device 352 can be a telescopic head, a telescopic rod, a hydraulic rod, an air pressure rod, etc. In some embodiments, the adjusting device 350 can further comprise an adjusting button 353, which can be arranged on the panel 340 and connected to the adjusting screw, and can be used to rotate the adjusting screw.

[0034] In some embodiments, the aligning screen 122 can further comprise a locking device 360, which can be arranged on the frame, and can lock and fix the aligning screen on the material falling device and / or the gun head box, so as to avoid displacement of the aligning screen 122 and affect the ordering of the gun heads. In some embodiments, the locking device can be a clamping groove, which can be arranged at the corners of the frame and can be clamped with the material falling device and / or the gun head box, so as to fix the frame on the material falling device and / or the gun head box.

[0035] In some embodiments, the feeding groove 130 is arranged on the upper surface of the base 110, and the horizontal height of the feeding groove 130 is lower than the horizontal height of the lower end of the blanking device. The feeding device 140 is used to transport the gun head to the upper end of the blanking device. In some embodiments, the feeding groove can also be inclined to the direction of the blanking device 120, so that the gun head in the feeding groove slides to the direction of the blanking device, which is beneficial to the feeding device to transport the gun head. In some embodiments, the feeding groove 130 can also be arranged above the base. For example, the horizontal height of the feeding groove is higher than the upper end of the blanking device, and the gun head can be directly slid into the upper end of the blanking device by the inclined feeding groove.

[0036] In some embodiments, the feeding device 140 is arranged between the feeding groove 130 and the blanking device 120, and is connected with the two devices. The feeding device 140 can transport the gun head in the feeding groove 130 to the upper end of the blanking device 120. Figure 2D In some embodiments, the feeding device 140 can be a push plate type feeding device, which includes a plurality of stepped push plates 141 and a driving device 142. The movement mode of the push plate 141 is reciprocating linear motion, which can drive the gun head to move from the low end to the top end of the stepped push plate. The driving device 142 can be arranged in the base, and can be used to drive the reciprocating linear motion of the push plate. In some embodiments, the driving device 142 can be a motor or a speed reducer. In some embodiments, the feeding device can also include a guide groove 143, which can be used to guide the movement track of the push plate, so as to ensure the reciprocating linear motion of the push plate. In some embodiments, the feeding device 140 can also be other structures, such as a conveyor belt or other feeding devices.

[0037] In some embodiments, the blanking groove 150 is arranged on the upper surface of the base 110, and is connected with the lower end of the blanking device 120. When the gun head slides down from the lower end of the blanking device, the gun head can enter the blanking groove 150. In some embodiments, the blanking groove 150 can be slightly inclined, and the inclination direction of the blanking groove 150 is the same as the inclination direction of the blanking device. When the gun head slides into the blanking groove, the gun head can move away from the blanking device, so as to avoid the stacking of the gun head in the blanking groove, which affects the sorting of the gun head in the blanking device, and is also beneficial to the gun head to enter the conveying device.

[0038] In some embodiments, the conveying device 160 is arranged on the upper surface of the base 110 and is connected with the drop chute 150 and the feeding chute 130, and can convey the bullet heads in the drop chute to the feeding chute. In some embodiments, the conveying device 160 is connected with the low end of the drop chute, so as to facilitate the bullet heads to enter the conveying device. In some embodiments, the conveying device 160 is connected with the high end of the feeding chute, so as to facilitate the bullet heads to enter the feeding chute. In some embodiments, the horizontal height of the drop chute is higher than that of the feeding chute, and the conveying device 160 can be a rotating slide, which can connect the feeding chute and the drop chute, and the bullet heads can enter the rotating slide after falling into the low end of the drop chute, and then enter the feeding chute through the rotating slide.

[0039] In some embodiments, the automatic boxing device 100 can further comprise a cover 170. The cover 170 can be arranged above the base 110 and can cover the drop device 120, the feeding chute 130, the feeding device 140, the drop chute 150 and the conveying device 160 arranged above the base 110, so as to prevent dust from entering and prevent the bullet heads from falling outside the automatic boxing device. In some embodiments, the cover 170 can be opened in a split type, and the opening mode can be selected according to actual needs, so as to be suitable for different use scenarios. For example, when some bullet heads are jammed, only the cover of the jammed part can be opened, so as to avoid the influence on other structures caused by opening all the covers.

[0040] The automatic boxing device of the present application can put the bulk bullet heads into the feeding chute, and the bullet heads can automatically slide into the feeding device through the inclined feeding chute. The feeding device can convey the bullet heads to the upper side of the drop device, and the bullet heads can slide down from the drop device and be sorted on the drop device. Among them, the bullet heads not entering the drop device can slide into the drop chute and be returned to the feeding chute through the conveying device, so as to realize the automatic boxing of the bullet heads. In some embodiments, when the sorting of the bullet heads on the drop device is completed, the sorted bullet heads can be directly put into the bullet head box. In some embodiments, when the sorting of the bullet heads on the drop device is completed, the sorted bullet heads can be put into the bullet head box by using the picking and boxing device. The present application also proposes a bullet head picking and boxing device, which will be described in detail below.

[0041] Figures 4A-4D Structure schematic diagram of the picking and boxing device according to an embodiment of the present application. Figure 4A and Figure 4B are a perspective view and a side view of the picking and boxing device, respectively. Figure 4C and Figure 4D are schematic diagrams of two different working states of the picking and boxing device. Figure 5A and 5B are partial schematic diagrams of the picking and boxing device according to an embodiment of the present application.

[0042] As shown in the figure, the picking and boxing device 400 includes a box body 410, a plurality of picking strips 420 and an adjusting device 430. Among them, the plurality of picking strips 420 and the adjusting device 430 are arranged on the box body 410, and the picking strips 420 can include one or more clamping joints 421 on the side facing the outside of the box body, which can pick the sorted gun heads, and the adjusting device 430 can be used to adjust the spacing between the picking strips. For example, when the gun head sorting is completed, the adjacent gun heads are closely arranged, the adjusting device adjusts the close fit between the picking strips, and the picking strips pick the sorted gun heads; after the picking strips pick, the adjusting device can increase the spacing between the picking strips to adapt to different gun head box sizes. In some embodiments, the clamping joints are arranged at equal intervals on the picking strips. Among them, the spacing between the clamping joints is the same as the spacing between the gun head box holes, so as to place the picked gun heads in the corresponding holes of the gun head box.

[0043] In some embodiments, the box body 410 can include baffles 411 and 412 and a connecting rod 413 arranged between the baffles 411 and 412. Among them, the connecting rod 413 connects the baffles 411 and 412, and the plurality of picking strips are arranged on the connecting rod 413 and can move between the baffles 411 and 412. In some embodiments, the spacing between the baffles 411 and 412 can be the same as the width of the gun head box. In some embodiments, the connecting rod 413 can be connected to both ends of the baffles 411 and 412, and the picking strips are arranged on at least one end of the connecting rod between the baffles 411 and 412. In some embodiments, at least part of the connecting rod 413 and the connecting hole of the baffle 411 and / or the baffle 412 are strip-shaped holes to facilitate the movement of the picking strips.

[0044] In some embodiments, the pickup strip 420 can include a first layer pickup strip 422 and a second layer pickup strip 423, which are respectively arranged at two ends of the box body and are arranged on the connecting rods at two ends of the baffle 411 and the baffle 412. The clamping joint 421 is arranged on the second layer pickup strip and extends outward (i.e., away from the first layer pickup strip). In some embodiments, the connecting rod connected with the first layer pickup strip 422 is fixedly connected with the baffles 411 and 412, and the connecting hole of the baffle 411 and the baffle 412 connected with the second layer pickup strip 423 is a strip-shaped hole. Thus, the second layer pickup strip 423 can move between the first position and the second position. When the second layer pickup strip 423 is located at the first position, the second layer pickup strip 423 is away from the first layer pickup strip 422, and the clamping joint on the pickup strip can pick up the gun head; when the second layer pickup strip 423 is located at the second position, the second layer pickup strip 423 is close to the first layer pickup strip 422, and the clamping joint on the pickup strip can unload the gun head. In some embodiments, similarly, the connecting rod connected with the first layer pickup strip 422 can be a strip-shaped hole connected with the baffles 411 and 412, and the second layer pickup strip 423 is fixedly connected with the baffles 411 and 412, and the first layer pickup strip 422 can move between the first position and the second position.

[0045] In some embodiments, the pickup and boxing device 400 further includes an unloading device 440, which can include a plurality of push blocks 441 and a supporting rod 442 connected with the push blocks. The push blocks 441 can be arranged in the second layer pickup strip and located between the clamping joints of the pickup strip; the supporting rod 442 can be connected with the first layer pickup strip and can connect the push blocks with the first layer pickup strip. In some embodiments, two adjacent clamping joints 421 can correspond to one push block 441, that is, the push block 441 is arranged between the two adjacent clamping joints.

[0046] Reference Figure 4C and Figure 4D In some embodiments, the push block can move in the direction in which the clamping joint extends, so as to push the gun head picked up by the clamping joint. For example, the first layer pickup strip can be pressed, the first layer pickup strip drives the supporting rod to move towards the second layer pickup strip, so as to make the push block move in the direction in which the clamping joint extends, and push the gun head on the clamping joint to be unloaded. In some embodiments, the position of the push block can also be fixed, and by pressing the second layer pickup strip, the clamping joint can be moved towards the first layer pickup strip, so that the push block can push the gun head on the clamping joint to be unloaded.

[0047] In some embodiments, the picking and boxing device 400 can further comprise a reset device 450, which can be arranged between the first layer of picking strips and the second layer of picking strips, and can reset the moving picking strips. When the second layer of picking strips moves, the second layer of picking strips can be restored to the original position. In some embodiments, the reset device can be a reset spring, which can be sleeved on the support rod 442 and arranged between the first layer of picking strips and the second layer of picking strips.

[0048] In some embodiments, the adjusting device 430 can comprise a plurality of adjusting rods 431 and a telescopic part 432. The adjusting rods are respectively arranged on both sides of the box body 410 and connected with the picking strips, and the telescopic part 432 is arranged between the picking strips and can be used to adjust the uniformity of the spacing between different picking strips. In some embodiments, the adjusting rods 431 can be connected with the second layer of picking strips 423, and by pulling the adjusting rods, the spacing between the second layer of picking strips can be adjusted, and the spacing between the first layer of picking strips can be synchronously adjusted through the support rod 422. In some embodiments, the adjusting rods 431 can also be connected with the first layer of picking strips. In some embodiments, the adjusting rods can also be arranged on one side of the box body.

[0049] In some embodiments, the adjusting rods are connected with the second layer of picking strips that are far apart, and by pulling the adjusting rods, the picking strips can be moved to the center or one side of the box body. In some embodiments, a plurality of adjusting rods 431 can also be connected with a plurality of different picking strips, so that the spacing between different picking strips can be adjusted, or the difficulty of adjustment can be reduced. In some embodiments, the adjusting rods can also be partial connecting rods. In some embodiments, the telescopic part can be one or more of a telescopic head, a telescopic rod, a hydraulic rod, and a pneumatic rod.

[0050] The working process of the picking and boxing device of the present application is as follows: after the sorting of the gun heads is completed, the clamping joint of the picking and boxing device is opposite to the sorted gun heads, and the picking device is pressed downward, the clamping joint can be inserted into the gun heads to pick up the gun heads; the spacing between the picking strips can be adjusted according to the spacing of the holes in the gun head box, the gun heads picked up by the clamping joint are corresponded to the holes in the gun head box, and the picking device is pressed downward, the push block pushes the gun heads to be unloaded, so that the sorted gun heads can be transferred to the gun head box in batches.

[0051] The picking and boxing device of the present application is used in cooperation with the automatic boxing device, which can quickly realize the batch boxing work of the gun heads, can be suitable for different styles of gun head boxes, and improves the applicability. The picking device of the present application can also be used in cooperation with other gun head sorting devices, which can reduce the working steps of the gun head spacing adjustment of the gun head sorting device, and can effectively reduce the structural difficulty of the gun head sorting device.

[0052] The above examples are only for illustrating the utility model, and are not limit to the utility model, the ordinary skilled in the art can make various changes and modifications without departing from the scope of the utility model, therefore, all equivalent technical schemes should belong to the disclosed scope of the utility model.

Claims

1. An automatic boxing device for pipette tips, characterized in that, include: Base; A feeding trough is located above the base and is used to hold bulk gun heads; A material feeding device is inclinedly disposed above the base and is used to organize the bulk gun head; A feeding device connects the feeding trough and the unloading device, and conveys the bulk nozzles in the feeding trough to the top of the unloading device; A discharge chute is provided above the base and below the discharge device to accommodate bulk gun heads that have not entered the discharge device. as well as A conveying device, which connects the discharge chute and the loading chute, and is used to convey the bulk gun heads in the discharge chute to the loading chute; The material feeding device includes a chute, and a sorting screen is included on the bottom surface of the chute. The feeding device conveys the bulk gun heads to the top of the material feeding device. The bulk gun heads slide into the chute and are sorted by their own gravity in the sorting screen. The bulk gun heads that do not slide into the sorting screen fall into the material feeding trough.

2. The automatic boxing device for pipette tips according to claim 1, characterized in that, The sieve can be removed from the discharge device.

3. The automatic boxing device for pipette tips according to claim 2, characterized in that, The sorting sieve can be placed in the gun head box.

4. The automatic boxing device for pipette tips according to claim 2, characterized in that, The sorting screen includes a frame and one or more sorting bars disposed on the frame, with adjacent sorting bars used to accommodate the scattering gun heads that slide in.

5. The automatic boxing device for pipette tips according to claim 4, characterized in that, The sizing screen also includes an adjustment device, which is disposed on the frame and used to control the spacing between adjacent sizing bars.

6. The automatic boxing device for pipette tips according to claim 4, characterized in that, The sorting screen may also include a panel and support legs, the panel and the support legs being respectively disposed at both ends of the frame. When the frame is disposed on the material feeding device, the panel covers the frame.

7. The automatic boxing device for pipette tips according to claim 6, characterized in that, The height of the support leg is greater than the length of the scattering gun head, which is used to protect the scattering.

8. The automatic boxing device for pipette tips according to claim 4, characterized in that, The frame may also include a slot for engaging and fixing with the material feeding device.

9. The automatic boxing device for pipette tips according to claim 1, characterized in that, The horizontal height of the discharge chute is higher than that of the loading chute. The conveying device is a rotary slide. After the bulk gun head falls into the discharge chute, it slides into the loading chute via the rotary slide.

10. The automatic boxing device for pipette tips according to claim 1, characterized in that, Further includes: A cover is disposed on the base and covers the feeding trough, the unloading device, the feeding device, the unloading trough, and the conveying device.

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