Removal and dispensing equipment for injection molding pipette tips

By designing the extraction and distribution conveying equipment for injection molding pipette tips, including an integral transplanting mechanism, a removal fixture and a distribution conveying mechanism, the problem of low automation of pipette tip production in the prior art is solved, and an efficient and automated production process is achieved.

CN113561403BActive Publication Date: 2025-04-15SHANGHAI KEQIANG XINGBANG ARTIFICIAL INTELLIGENCE TECH CO LTD
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Patent Information

Application Number
CN202110953854.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-08-19
Publication Date
2025-04-15
Estimated Expiration
2041-08-19

AI Technical Summary

Technical Problem

The prior art is difficult to meet the production conditions of high speed, high efficiency, high yield and high automation in the production of pipette tips.

Method used

A material dispensing conveying device for injection molding pipette suction heads is designed, including an integral transplanting mechanism, a material dispensing clamp and a material dispensing conveying mechanism. The automatic removal, conveying and dispensing of the suction heads is achieved by synchronizing components such as toothed plates, servo motors and cylinders.

Benefits of technology

It realizes efficient and automated production of pipette tips, meeting the production and manufacturing conditions of high speed, high efficiency, high yield and high degree of automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a device for taking out and distributing materials and conveying injection-molded pipette tips, including an electrical control box, an outer sheet metal frame, an integral transplanting mechanism for injection-molded pipette tips, a removal fixture for injection-molded pipette tips, and a distributing material and conveying mechanism for injection-molded pipette tips. The integral transplanting mechanism for injection-molded pipette tips, the removal fixture for injection-molded pipette tips, and the distributing material and conveying mechanism for injection-molded pipette tips are all arranged in the outer sheet metal frame. Beneficial effect: The removal fixture takes out all the pipette tips from the mold at one time by suction, and then the servo electric cylinder drives the flap to selectively move to the sampling area, the blanking area, or the defective parts area, and then the tips are transported by the distributing material and conveying mechanism for injection-molded pipette tips, meeting the production and manufacturing conditions of high speed, high efficiency, high yield rate, and high degree of automation.
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Description

Technical Field

[0001] The invention relates to the technical field of pipettes, in particular to a material taking-out, dispensing and conveying device for injection-molding pipette tips. Background Art

[0002] Pipettes are often used to transfer quantitative liquids in laboratories. The part that comes into contact with the liquid is the pipette tip, which, as a consumable, needs to be replaced frequently during experiments and is used in large quantities. Usually, the production mold of the pipette is a mold with 48 holes, a mold with 64 holes, or even a mold with 96 holes. Therefore, the production equipment of the pipette tip needs to meet the production and manufacturing conditions of high speed, high efficiency, high yield rate, and high degree of automation.

[0003] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0004] The object of the present invention is to provide a material removal, dispensing and conveying device for injection molding pipette tips to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a device for taking out and distributing materials and conveying injection-molded pipette tips, comprising an electrical control box, an outer sheet metal frame, an integral transplanting mechanism for injection-molded pipette tips, a removal fixture for injection-molded pipette tips, and a distributing material and conveying mechanism for injection-molded pipette tips, wherein the integral transplanting mechanism for injection-molded pipette tips, the removal fixture for injection-molded pipette tips, and the distributing material and conveying mechanism for injection-molded pipette tips are all arranged in the outer sheet metal frame;

[0006] The overall transplanting mechanism of the injection molding pipette tip includes a synchronous belt toothed plate, a first synchronous belt pulley, a first coupling, a first servo motor, a reducer, a synchronous belt pulley fixing block, a first synchronous belt, a sliding support plate, a first linear guide and a structural support plate. The main structure of the equipment is composed of a structural support plate, four square tube fixing columns are installed above the structural support plate, synchronous belt pulley fixing blocks are installed on the left and right sides of the structural support plate, a first synchronous belt pulley is installed between the synchronous belt pulley fixing blocks, there are two first synchronous belt pulleys, a first synchronous belt pulley protective cover is provided outside the first synchronous belt pulley, the two first synchronous belt pulleys are softly connected by the first synchronous belt, one side of the first synchronous belt pulley on the left side is connected to the reducer output shaft through the first coupling, and then connected to the reducer by the first coupling protective cover, the reducer input end is connected to the first servo motor, and two first linear guides are installed on the back of the structural support plate The cam is provided with a first screw threading plate, a second screw threading plate is provided at the bottom of the sliding support plate, and a synchronous belt toothed plate is fixed above the sliding support plate, which is connected to the first synchronous belt. An adjusting screw fixing piece is installed on the back of the structural support plate, and the adjusting screw is used to support the synchronous belt pulley fixing block on one side through the installed adjusting screw. A first buffer pad is installed on the back of the structural support plate, and a cylinder fixing piece is installed on the lower side of the sliding support plate. The cylinder earring base is fixed on the right side of the cylinder fixing piece. The cylinder is installed in the cylinder earring base. A fisheye joint is installed on the right side of the piston rod of the cylinder, which is inserted through the hinge pin and connected to the reinforcing rib. The reinforcing rib is installed on the flap, and flap ear plates are fixed on both sides of the sliding support plate, which are connected to the flap through the hinge pin. A first adsorption vacuum chamber for connecting a first adsorption rod is installed on the right side of the flap, and the first adsorption rod fixing plate is fixed on the first adsorption rod;

[0007] The removal fixture of the injection molded pipette tip comprises a second linear guide rail, a pad block, a vertical support plate, a square tube column, a first support plate, a square tube support structure and an adjustment foot. The bottom of the equipment is composed of a square tube support structure welded together, the bottom of the square tube support structure is connected with an adjustment foot by threading, the first support plate is installed on the top of the square tube support structure by screws, two square tube columns are installed on the top of the square tube column by screws, and a pad block for fixing the vertical support plate is installed in front of the square tube column. There are four pad blocks in total, and two second linear guides are installed on the front of the vertical support plate, a linear slider is installed in front of the second linear guide, and a sliding fixture base plate is installed in front of it, and stop screw fixing plates are provided on both sides of the front of the vertical support plate, wherein the limit position of the lateral movement of the fixture is limited by the set stop screws, and second buffer pads are provided on both sides of the front of the vertical support plate, and a synchronous belt fixing plate for clamping the second synchronous belt is installed on the back of the sliding fixture base plate. The two ends of the synchronous belt are provided with corresponding second synchronous pulleys, and are locked on both sides of the sliding clamp bottom plate through the synchronous pulley fixing plate, and are closed by the second synchronous pulley protective cover installed on the side thereof, a second coupling is installed above the second synchronous pulley on the left side, a second coupling protective cover is arranged on the second coupling, a motor fixing plate is fixed below the second coupling protective cover, a second servo motor as a clamp transverse movement driving device is installed above the motor fixing plate, and a solenoid valve for turning on the clamp adsorption function is installed on the front side of the sliding clamp bottom plate, and a gas dividing block for dividing the vacuum air path of the solenoid valve into a plurality of air paths corresponding to the mold is installed on the front side of the sliding clamp bottom plate, and a second adsorption vacuum chamber for establishing a vacuum degree and a second adsorption rod fixed in front of it are installed on the front side of the sliding clamp bottom plate, wherein the sliding clamp front plate is fixed to the sliding clamp bottom plate through the clamp plate support column, a second adsorption rod fixing plate is fixed on the sliding clamp front plate, and the second adsorption rod passes through its hole;

[0008] The material distribution and conveying mechanism of the injection molding pipette tip is composed of a profile bracket, a defective part blanking box is installed above the profile bracket, and the defective part blanking box is installed above the defective part storage box; the profile bracket is installed with a distribution mechanism and a sampling mechanism; the pallet tooling displacement mechanism is installed under the profile bracket, and the pallet tooling transportation mechanism is installed above it; the air source component mounting plate is installed in front of the profile bracket, and a triplet and a solenoid valve island are installed in front of it; the distribution mechanism is designed with the profile bracket, and a downward pressure cylinder mounting plate is installed below it, and a downward pressure cylinder is installed on the downward pressure cylinder mounting plate, and a downward pressure cylinder is installed below the downward pressure cylinder There is a parallel clamping cylinder fixing plate, a parallel clamping cylinder is installed below it, clamping claws are installed on both sides of the parallel clamping cylinder, and below the clamping claw is a tray corresponding to the drop of the pipette tip, a fixed box is provided above the mechanism, a blanking hollow rod is installed above it, and it is connected to the fixed box through the blanking rod fixing plate, an air joint is installed on the side of the blanking hollow rod, a conveying pipe is connected below the blanking hollow rod, and the conveying pipe is connected to the hole position of the parallel clamping cylinder fixing plate below, the pallet tooling transportation mechanism consists of two servo electric cylinders installed on the profile bracket of the mechanism, and the pallet tooling fixture is installed on the slider above the servo electric cylinder , a large pallet is carried on the top of the pallet fixture, a third servo motor is installed on the front side of one of the servo electric cylinders, and the other side is connected to the other servo electric cylinder through a transmission shaft, the sampling mechanism is composed of the profile bracket and the aluminum support, a rodless cylinder is installed above it, a moving transition piece is installed on the slider above the rodless cylinder, a sampling pallet is inserted into the moving transition piece, a hollow rod for storing suction heads is installed on the sampling pallet, a square tube bracket is provided below the pallet tooling displacement mechanism to form a base, a longitudinal transition plate is installed on the square tube bracket, a longitudinal servo electric cylinder and a first linear guide support are installed on the longitudinal transition plate Support member, a linear guide assembly is installed on the first linear guide support member, a transverse transition plate is installed on the longitudinal servo electric cylinder and the linear guide assembly, a transverse servo electric cylinder and a second linear guide support member are installed above it, the linear guide assembly is installed on the second linear guide support member, a displacement plate is installed on the transverse servo electric cylinder and the linear guide assembly, linear bearings are installed at the four corners of the displacement plate, a lifting cylinder is installed above the displacement plate, a second support plate is installed above the lifting cylinder, guide rods are installed at the four corners, the guide rods pass through the linear bearings below, and the second support plate is used to carry a large pallet.

[0009] Furthermore, the electrical control box is arranged on one side of the peripheral sheet metal frame, a top plate is fixed on the top of the peripheral sheet metal frame, a fixture removal window is opened on one side of the peripheral sheet metal frame, and a debugging window is opened on the other side of the peripheral sheet metal frame.

[0010] Furthermore, a foot is fixed to the bottom of the outer sheet metal frame, and casters are installed near the bottom of the outer sheet metal frame, and there are four foots and four casters respectively.

[0011] Furthermore, a first operating button is arranged on the outer sheet metal frame, and a second operating button is arranged on one side of the first operating button.

[0012] Furthermore, a device indicator light is provided on one side of the second operation button, and an alarm indicator light is provided on one side of the device indicator light.

[0013] Furthermore, an emergency stop button is provided on one side of the alarm indicator light.

[0014] Furthermore, a three-color warning light is provided on one side of the top of the top plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the removal fixture is moved laterally out of the fixture removal window, all the pipette tips are taken out from the mold at one time by suction, the removal fixture is moved into the equipment again, then the transfer mechanism flips the plate to be straightened, and the front adsorption rod sucks 48 pipette tips from the suction fixture, and then the flip plate is turned flat, and the servo electric cylinder drives the flip plate to selectively move to the sampling area, the blanking area or the defective parts area, and then the injection molding pipette tip is transported by the material distribution and conveying mechanism, meeting the production and manufacturing conditions of high speed, high efficiency, high yield and high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 2 is a schematic structural diagram of a device for removing, dispensing and conveying a pipette tip for injection molding according to an embodiment of the present invention;

[0018] Figure 2 2 is a schematic structural diagram of another angle of a device for removing, dispensing and conveying a pipette tip for injection molding according to an embodiment of the present invention;

[0019] Figure 3 2 is a schematic diagram of the internal structure of a device for removing, dispensing and conveying a pipette tip for injection molding according to an embodiment of the present invention;

[0020] Figure 4 2 is a schematic structural diagram of an integral transplanting mechanism for injection molding a pipette tip according to an embodiment of the present invention;

[0021] Figure 5 2 is a schematic structural diagram of a first angle of an integral transplanting mechanism for injection molding a pipette tip according to an embodiment of the present invention;

[0022] Figure 6 2 is a schematic structural diagram of an integral transplanting mechanism for injection molding a pipette tip according to an embodiment of the present invention from a second angle;

[0023] Figure 7 3 is a schematic structural diagram of an integral transplanting mechanism for injection molding a pipette tip according to an embodiment of the present invention from a third angle;

[0024] Figure 8 4 is a schematic structural diagram of an integral transplanting mechanism for injection molding a pipette tip according to an embodiment of the present invention from a fourth angle;

[0025] Fig. 9 is a schematic structural diagram of a removal fixture for injection-molded pipette tips according to an embodiment of the present invention;

[0026] Fig.10 1 is a partial structural schematic diagram of a removal fixture for injection-molded pipette tips according to an embodiment of the present invention;

[0027] Fig.11 1 is a schematic diagram of the partial structure disassembly of a removal fixture for injection molding pipette tips according to an embodiment of the present invention;

[0028] Fig.12 It is a schematic diagram of the partial structure of a removal fixture for injection molding pipette tips disassembled in another direction according to an embodiment of the present invention;

[0029] Fig.13 Schematic diagram of the structure of the material distribution and conveying mechanism for injection molding pipette tips according to the present invention Figure 1 ;

[0030] Fig.14 Schematic diagram of the structure of the material distribution and conveying mechanism for injection molding pipette tips according to the present invention Figure 2 ;

[0031] Fig.15 The schematic diagram of the structure of the tray tooling displacement mechanism of the material distribution and conveying mechanism for injection molding pipette tips implemented according to the present invention is Figure 1 ;

[0032] Fig.16 Schematic diagram of the structure of the material distribution mechanism of the material distribution and conveying mechanism for injection molding pipette tips according to the present invention Figure 1 ;

[0033] Fig.17 Schematic diagram of the structure of the material distribution mechanism of the material distribution and conveying mechanism for injection molding pipette tips according to the present invention Figure 2 ;

[0034] Fig.18 The structure of the tray tooling transport mechanism of the material distribution and conveying mechanism for injection molding pipette tips implemented according to the present invention is shown in FIG. Figure 1 ;

[0035] Fig.19 The structure of the tray tooling transport mechanism of the material distribution and conveying mechanism for injection molding pipette tips implemented according to the present invention is shown in FIG. Figure 2 ;

[0036] Fig. 20 It is a schematic structural diagram of a sampling mechanism of a material distribution and conveying mechanism for injection molding pipette tips implemented according to the present invention;

[0037] Fig.21 The schematic diagram of the structure of the tray tooling displacement mechanism of the material distribution and conveying mechanism for injection molding pipette tips implemented according to the present invention is Figure 2 .

[0038] Reference numerals:

[0039] The overall transplanting mechanism of the injection molding pipette tip; 101, synchronous belt tooth plate; 102, first synchronous belt pulley; 103, first coupling; 104, first servo motor; 105, reducer; 106, synchronous belt pulley fixing block; 107, first synchronous belt; 108, sliding support plate; 109, first linear guide rail; 110, structural support plate; 111, square tube fixing column; 112, first synchronous belt pulley protective cover; 113, first Coupling protection cover; 114, fisheye joint; 115, hinge pin; 116, reinforcing rib; 117, trachea joint; 118, flap; 119, flap ear plate; 120, first buffer pad; 121, adjustment screw fixing piece; 122, adjustment screw; 123, cylinder fixing piece; 124, cylinder earring base; 125, cylinder; 126, first adsorption vacuum chamber; 127, first adsorption rod fixing plate; 128, first adsorption rod;

[0040] The removal fixture of the injection molding pipette tip; 201, the second linear guide; 202, the spacer block; 203, the vertical support plate; 204, the square tube column; 205, the first support plate; 206, the square tube support structure; 207, the adjustment foot; 208, the second synchronous pulley protection cover; 209, the synchronous pulley fixing plate; 210, the stop screw fixing plate; 211, the stop screw; 212, the sliding fixture front plate; 213, the sliding fixture bottom plate; 21 4. Linear slider; 215. Second servo motor; 216. Second coupling protection cover; 218. Motor fixing plate; 219. Solenoid valve; 220. Second coupling; 221. Second synchronous pulley; 222. Fixture plate support column; 223. Air distributor block; 224. Second adsorption vacuum chamber; 225. Second adsorption rod; 226. Second adsorption rod fixing plate; 227. Second buffer pad; 229. Second synchronous belt; 230. Synchronous belt fixing plate;

[0041] Material distribution and conveying mechanism for injection molding pipette tips; 301, profile bracket; 311, defective parts drop box; 312, defective parts storage box; 313, triple joint; 314, air source assembly mounting plate; 315, solenoid valve island; 302, material distribution mechanism; 321, downward pressure cylinder mounting plate; 322, downward pressure cylinder; 323, parallel clamp cylinder fixing plate; 324, parallel clamp cylinder; 325, clamping claw; 326, tray; 303, sampling mechanism; 331, aluminum support; 332, rodless cylinder; 333, mobile transition piece; 334, sampling pallet; 335, hollow rod for tip storage; 304, tray tooling displacement mechanism; 341, square tube bracket; 342 , lifting cylinder; 343, guide rod; 344, displacement plate; 345, second support plate; 305, fixed box; 351, blanking hollow rod; 352, blanking rod fixing plate; 353, gas joint; 354, conveying pipeline; 306, pallet tooling transportation mechanism; 361, servo electric cylinder; 362, pallet tooling fixture; 363, large pallet; 364, third servo motor; 365, transmission shaft; 307, longitudinal servo electric cylinder; 371, longitudinal transition plate; 308, transverse servo electric cylinder; 381, transverse transition plate; 309, first linear guide support; 391, linear guide assembly; 392, second linear guide support; 393, linear bearing;

[0042] 4. First operation button; 5. Second operation button; 6. Equipment indicator light; 7. Alarm indicator light; 8. Emergency stop button; 9. Three-color alarm light; 10. External sheet metal frame; 11. Debug window; 12. Ground feet; 13. Casters; 14. Electrical control box; 15. Fixture removal window; 16. Top plate. DETAILED DESCRIPTION

[0043] Below, the invention is further described in conjunction with the accompanying drawings and specific embodiments:

[0044] See also Figure 1-21 , according to an embodiment of the present invention, the removal, dispensing and conveying device for injection molded pipette tips comprises an electrical control box 14, an outer sheet metal frame 10, an integral transplanting mechanism 1 for injection molded pipette tips, a removal fixture 2 for injection molded pipette tips and a dispensing and conveying mechanism 3 for injection molded pipette tips, wherein the integral transplanting mechanism 1 for injection molded pipette tips, the removal fixture 2 for injection molded pipette tips and the dispensing and conveying mechanism 3 for injection molded pipette tips are all arranged in the outer sheet metal frame 10;

[0045] The overall transplanting mechanism 1 of the injection molding pipette tip includes a synchronous belt toothed plate 101, a first synchronous belt pulley 102, a first coupling 103, a first servo motor 104, a reducer 105, a synchronous belt pulley fixing block 106, a first synchronous belt 107, a sliding support plate 108, a first linear guide 109 and a structural support plate 110. The main structure of the equipment is composed of the structural support plate 110, and four square tube fixing columns 111 are installed above the structural support plate 110. Synchronous belt pulley fixing blocks 106 are installed on the left and right sides of the structural support plate 110. The first synchronous belt pulley 102 is installed between the synchronous belt pulley fixing blocks 106. The first synchronous belt pulley 102 is installed between the first synchronous belt pulley fixing blocks 106. There are two synchronous pulleys 102, and the first synchronous pulley 102 is provided with a first synchronous pulley protective cover 112. The two first synchronous pulleys 102 are softly connected through the first synchronous belt 107. One side of the first synchronous pulley 102 on the left side is connected to the output shaft of the reducer 105 through the first coupling 103, and then connected to the reducer 105 through the first coupling protective cover 113. The input end of the reducer 105 is connected to the first servo motor 104. Two first linear guides 109 are installed on the back of the structural support plate 110, and a linear slider is provided below it. A sliding support plate 108 is installed below the linear slider. A synchronous belt tooth plate 101 is fixed above 108, which is connected to the first synchronous belt 107. An adjusting screw fixing part 121 is installed on the back of the structural support plate 110. The adjusting screw 122 installed is used to support the synchronous belt pulley fixing block 106 on one side to tighten the first synchronous belt 107. A first buffer pad 120 is installed on the back of the structural support plate 110 to reduce the impact force when the equipment is accidentally operated. A cylinder fixing part 123 is installed on the lower side of the sliding support plate 108. The cylinder earring base 124 is fixed on the right side of the cylinder fixing part 123. The cylinder 125 is installed in the cylinder earring base 124, which can achieve a certain angle Swing, a fisheye joint 114 is installed on the right side of the piston rod of the cylinder 125, which is inserted through the hinge pin 115 and connected with the reinforcing rib 116, and the reinforcing rib 116 is installed on the flap 118, and the flap ear plates 119 are fixed on both sides of the sliding support plate 108, which are connected to the flap 118 through the hinge pin 115, and the first adsorption vacuum chamber 126 for connecting the first adsorption rod 128 is installed on the right side of the flap 118, and the first adsorption rod fixing plate 127 is fixed on the first adsorption rod 128 to play a reinforcing role. Under the drive of the cylinder 125, the connecting rod mechanism drives the flap 18 to present a 90° flipping action;

[0046] The removal fixture 2 for the injection molded pipette tip comprises a second linear guide rail 201, a pad block 202, a vertical support plate 203, a square tube column 204, a first support plate 205, a square tube support structure 206 and an adjustment foot 207. The bottom of the device is formed by welding the square tube support structure 206. The bottom of the square tube support structure 206 is connected to the adjustment foot 207 by threading. The first support plate 205 is installed above the square tube support structure 206 by screws, and two square tube columns 204 are installed above the square tube columns 204 by screws. A pad for fixing the vertical support plate 203 is installed in front of the square tube column 204. The heightening block 202 is composed of four pieces. Two second linear guide rails 201 are installed on the front of the vertical support plate 203. A linear slider 214 is installed in front of the second linear guide rail 201, and a sliding fixture bottom plate 213 is installed in front of the second linear guide rail. Stop screw fixing plates 210 are provided on both sides of the front of the vertical support plate 203, wherein the limit position of the lateral movement of the fixture is limited by the set stop screws 211. Second buffer pads 227 are provided on both sides of the front of the vertical support plate 203. A synchronous belt fixing plate 23 for clamping a second synchronous belt 229 is installed on the back of the sliding fixture bottom plate 213. 0, the two ends of the second synchronous belt 229 are provided with corresponding second synchronous pulleys 221, and are locked to the two sides of the sliding fixture bottom plate 213 through the synchronous pulley fixing plate 209, and are closed by the second synchronous pulley protection cover 208 installed on its side, and the second coupling 220 is installed above the second synchronous pulley 221 on the left side, and the second coupling 220 is provided with a second coupling protection cover 216, and the motor fixing plate 218 is fixed below the second coupling protection cover 216, and the second servo motor 215 as the fixture transverse movement driving device is installed above the motor fixing plate 218, and the sliding fixture bottom plate 213 is provided with a second servo motor 215 as the fixture transverse movement driving device, and the sliding fixture bottom plate 213 is provided with a second servo motor 215 as the fixture transverse movement driving device, and the second servo motor 215 as the fixture transverse movement driving device is installed above the ... A solenoid valve 219 for opening the fixture adsorption function is installed on the front side, and a gas dividing block 223 for dividing the vacuum air path of the solenoid valve 219 into a plurality of air paths corresponding to the mold is installed on the front side of the sliding fixture bottom plate 213. A second adsorption vacuum chamber 224 for establishing a vacuum degree and a second adsorption rod 225 fixed in front of the sliding fixture bottom plate 213 are installed on the front side, wherein the sliding fixture front plate 212 is fixed to the sliding fixture bottom plate 213 through a fixture plate support column 222, and a second adsorption rod fixing plate 226 is fixed on the sliding fixture front plate 212, and the second adsorption rod 225 passes through its hole;

[0047] The material distribution and conveying mechanism 3 of the injection molding pipette tip is composed of a profile bracket 301, a defective part blanking box 311 is installed above the profile bracket 301, and the defective part blanking box 311 is installed above the defective part storage box 312; a distribution mechanism 302 and a sampling mechanism 303 are installed on the profile bracket 301; a pallet tooling displacement mechanism 304 is installed under the profile bracket 301, and a pallet tooling transportation mechanism 306 is installed above it; an air source component mounting plate 314 is installed in front of the profile bracket 301, and a triplet 313 and a solenoid valve island 315 are installed in front of it; the distribution mechanism 302 is designed with the profile bracket 301, and a downward pressure cylinder 322 mounting plate 321 is installed below it, and the downward pressure cylinder 32 A downward-pressing cylinder 322 is mounted on the mounting plate 321, a parallel clamping cylinder 324 fixing plate 323 is mounted below the downward-pressing cylinder 322, a parallel clamping cylinder 324 is mounted below the parallel clamping cylinder 324, clamping claws 325 are mounted on both sides of the parallel clamping cylinder 324, and a tray 326 corresponding to the drop of the pipette tip is located below the clamping claws 325. A fixed box 305 is provided above the mechanism, a blanking hollow rod 351 is mounted above the blanking hollow rod 351, which is connected to the fixed box 305 through the blanking rod fixing plate 352, an air joint 353 is mounted on the side of the blanking hollow rod 351, a conveying pipe 354 is connected below the blanking hollow rod 351, and the conveying pipe 354 is connected to the hole position of the parallel clamping cylinder 324 fixing plate 323 below, and the tray The tooling transport mechanism 306 consists of two servo electric cylinders 361 installed on the profile bracket 301 of the mechanism, and the pallet tooling fixture 362 is installed on the slider above the servo electric cylinder 361. The pallet tooling fixture 362 carries a large pallet 363 on top. A third servo motor 364 is installed on the front side of one of the servo electric cylinders 361, and the other side is connected to the other servo electric cylinder 361 through a transmission shaft 365. The sampling mechanism 303 consists of the profile bracket 301 and an aluminum support 331, and a rodless cylinder 332 is installed above it. A movable transition piece 333 is installed on the slider above the rodless cylinder 332, and a sampling pallet 334 is inserted into the movable transition piece 333, and a suction head storage is installed on the sampling pallet 334. The hollow rod 335 is released. A square tube bracket 341 is provided below the tray tooling displacement mechanism 304 to form a base. A longitudinal transition plate 371 is installed on the square tube bracket 341. A longitudinal servo electric cylinder 307 and a first linear guide support 309 are installed on the longitudinal transition plate 371. A linear guide assembly 391 is installed on the first linear guide support 309. A transverse transition plate 381 is installed on the longitudinal servo electric cylinder 307 and the linear guide assembly 391. A transverse servo electric cylinder 308 and a second linear guide support 392 are installed above the transverse servo electric cylinder 308 and a second linear guide support 392. The linear guide assembly 391 is installed on the second linear guide support 392. A displacement plate 344 is installed on the transverse servo electric cylinder 308 and the linear guide assembly 391.Linear bearings 393 are installed at the four corners of the displacement plate 344. A lifting cylinder 342 is installed above the displacement plate 344. A second support plate 345 is installed above the lifting cylinder 342. Guide rods 343 are installed at its four corners. The guide rods 343 pass through the linear bearings 393 below. The second support plate 345 is used to carry a large tray 363. Under the action of the servo electric cylinder 36, the large tray 363 can be corrected in the plane direction. The lifting cylinder 342 lifts the large tray 363.

[0048] Through the above scheme of the present invention, the electrical control box 14 is arranged on one side of the outer sheet metal frame 10, a top plate 16 is fixed on the top of the outer sheet metal frame 10, a fixture removal window 15 is opened on one side of the outer sheet metal frame 10, and a debugging window 11 is opened on the other side of the outer sheet metal frame 10, a ground foot 12 is fixed to the bottom of the outer sheet metal frame 10, and casters 13 are installed near the bottom of the outer sheet metal frame 10 near the ground foot, and there are four ground feet 12 and four casters 13 respectively, a first operation button 4 is arranged on the outer sheet metal frame 10, a second operation button 5 is arranged on one side of the first operation button 4, an equipment indicator light 6 is arranged on one side of the second operation button 5, an alarm indicator light 7 is arranged on one side of the equipment indicator light 6, an emergency stop button 8 is arranged on one side of the alarm indicator light 7, and a three-color alarm light 9 is arranged on one side of the top of the top plate 16.

[0049] In specific applications, the removal fixture 2 of the injection molded pipette tip removes the window 15 through the fixture, and all the pipette tips are taken out from the mold at one time by suction. The removal fixture is then moved into the equipment, and then the overall transplanting mechanism 1 of the injection molded pipette tip flips over and straightens, and the front adsorption rod sucks all the pipette tips from the suction fixture, and then the flip plate is turned flat, and the servo electric cylinder drives the flip plate to selectively move to the sampling area, the blanking area or the defective part area, and then transported by the injection molded pipette tip dividing and conveying mechanism 3, thereby meeting the production and manufacturing conditions of high speed, high efficiency, high yield and high degree of automation.

[0050] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A material dispensing and conveying device for injection molding pipette tips, characterized in that: It comprises an electrical control box (14), an outer sheet metal frame (10), an integral transplanting mechanism (1) for injection molded pipette tips, a removal fixture (2) for injection molded pipette tips, and a material distribution and conveying mechanism (3) for injection molded pipette tips, wherein the integral transplanting mechanism (1) for injection molded pipette tips, the removal fixture (2) for injection molded pipette tips, and the material distribution and conveying mechanism (3) for injection molded pipette tips are all arranged in the outer sheet metal frame (10); The integral transplanting mechanism (1) of the injection molded pipette tip comprises a synchronous belt toothed plate (101), a first synchronous belt pulley (102), a first coupling (103), a first servo motor (104), a reducer (105), a synchronous belt pulley fixing block (106), a first synchronous belt (107), a sliding support plate (108), a first linear guide rail (109) and a structural support plate (110). The main structure of the device is composed of the structural support plate (110). Four square tube fixing columns (111) are installed above the structural support plate (110). Synchronous belt pulley fixing blocks (106) are installed on the left and right sides of the structural support plate (110). The synchronous belt pulley fixing blocks (106) are installed on the left and right sides of the structural support plate (110). 6) is installed between the first synchronous pulley (102), there are two first synchronous pulleys (102), the first synchronous pulleys (102) are provided with a first synchronous pulley protective cover (112), the two first synchronous pulleys (102) are softly connected through a first synchronous belt (107), one side of the first synchronous pulley (102) on the left side is connected to the output shaft of the reducer (105) through a first coupling (103), and then connected to the reducer (105) through the first coupling protective cover (113), the input end of the reducer (105) is connected to the first servo motor (104), and the back of the structural support plate (110) is installed with two first linear guide rails (109 ), a linear slider is provided below it, a sliding support plate (108) is installed below the linear slider, a synchronous belt tooth plate (101) is fixed above the sliding support plate (108), and is connected to the first synchronous belt (107), an adjustment screw fixing member (121) is installed on the back of the structural support plate (110), and the installed adjustment screw (122) is used to support the synchronous belt pulley fixing block (106) on one side, a first buffer pad (120) is installed on the back of the structural support plate (110), a cylinder fixing member (123) is installed on the lower side of the sliding support plate (108), and a cylinder earring base (124) is fixed on the right side of the cylinder fixing member (123), and the cylinder (125) is installed in the cylinder earring base (124), a fisheye joint (114) is installed on the right side of the piston rod of the cylinder (125), inserted through the fisheye joint (114) by a hinge pin (115) and connected to the reinforcing rib (116), the reinforcing rib (116) is installed on the flap (118), flap ear plates (119) are fixed on both sides of the sliding support plate (108), connected to the flap (118) by a hinge pin (115), a first adsorption vacuum chamber (126) for connecting to a first adsorption rod (128) is installed on the right side of the flap (118), and a first adsorption rod fixing plate (127) is fixed on the first adsorption rod (128); The injection molded pipette tip removal fixture (2) comprises a second linear guide rail (201), a pad block (202), a vertical support plate (203), a square tube column (204), a first support plate (205), a square tube support structure (206) and an adjustment foot (207); the bottom of the device is formed by welding the square tube support structure (206); the bottom of the square tube support structure (206) is connected to the adjustment foot (207) by threading; the first support plate (205) is installed on the top of the square tube support structure (206) by screws; two square tube columns (204) are installed on the top of the square tube column (204) by screws; a support plate (205) for fixing the vertical support plate (203) is installed in front of the square tube column (204). ) of the vertical support plate (203), the vertical support plate (203) having four raised blocks (202) in total, two second linear guide rails (201) being installed on the front of the vertical support plate (203), a linear slider (214) being installed in front of the second linear guide rail (201), a sliding fixture base plate (213) being installed in front of the second linear guide rail, stop screw fixing plates (210) being provided on both sides of the front of the vertical support plate (203), wherein the limit position of the lateral movement of the fixture is limited by the set stop screws (211), second buffer pads (227) being provided on both sides of the front of the vertical support plate (203), and a synchronous belt fixing plate (210) for clamping a second synchronous belt (229) being installed on the back of the sliding fixture base plate (213). The second synchronous belt (229) is provided with corresponding second synchronous pulleys (221) at both ends, and is locked to both sides of the sliding fixture bottom plate (213) through a synchronous pulley fixing plate (209), and is closed by a second synchronous pulley protection cover (208) installed on its side. A second coupling (220) is installed above the second synchronous pulley (221) on the left side, and a second coupling protection cover (216) is provided on the second coupling (220). A motor fixing plate (218) is fixed below the second coupling protection cover (216), and a second servo motor (215) as a fixture transverse movement driving device is installed above the motor fixing plate (218). The sliding fixture bottom plate (213) is provided with a second servo motor (215) as a fixture transverse movement driving device. ) is installed on its front side with a solenoid valve (219) for starting the fixture adsorption function, and the sliding fixture bottom plate (213) is installed on its front side with a gas dividing block (223) for dividing the vacuum air path of the solenoid valve (219) into a plurality of air paths corresponding to the molds, and the sliding fixture bottom plate (213) is installed on its front side with a second adsorption vacuum chamber (224) for establishing a vacuum degree, and a second adsorption rod (225) fixed in front of it, wherein the sliding fixture front plate (212) is fixed to the sliding fixture bottom plate (213) through a fixture plate support column (222), and a second adsorption rod fixing plate (226) is fixed on the sliding fixture front plate (212), and the second adsorption rod (225) passes through its hole; The material distribution and conveying mechanism (3) of the injection molding pipette tip is composed of a profile bracket (301), a defective part blanking box (311) is installed above the profile bracket (301), and the defective part blanking box (311) is installed above the defective part storage box (312); a material distribution mechanism (302) and a sampling mechanism (303) are installed on the profile bracket (301); a pallet tooling displacement mechanism (304) is installed under the profile bracket (301), and a pallet tooling transportation mechanism (306) is installed above the pallet tooling displacement mechanism (304); an air source component mounting plate (314) is installed in front of the profile bracket (301), and a triple joint (313) and a solenoid valve island (315) are installed in front of the profile bracket (301); the material distribution mechanism (302) is designed in a certain way. The profile support (301) has a downward-pressing cylinder (322) mounting plate (321) installed below it, and a downward-pressing cylinder (322) is installed on the downward-pressing cylinder (322) mounting plate (321). A parallel clamping cylinder (324) fixing plate (323) is installed below the downward-pressing cylinder (322), and a parallel clamping cylinder (324) is installed below it. Clamping claws (325) are installed on both sides of the parallel clamping cylinder (324), and a tray (326) corresponding to the drop of the pipette tip is located below the clamping claws (325). A fixed box (305) is provided above the mechanism, and a blanking hollow rod (351) is installed above it. The blanking hollow rod (351) is connected to the fixed box (305) via the blanking rod fixing plate (352). A gas joint (353) is installed on the side of the blanking hollow rod (351), a conveying pipe (354) is connected to the bottom of the blanking hollow rod (351), and the bottom of the conveying pipe (354) is connected to the hole position of the fixing plate (323) of the parallel clamping cylinder (324). The pallet tooling transport mechanism (306) is composed of two servo electric cylinders (361) installed on the profile bracket (301) of the mechanism, and the pallet tooling fixture (362) is installed on the slider above the servo electric cylinder (361). The pallet tooling fixture (362) carries a large pallet (363) above. A third servo motor (364) is installed on the front side of one of the servo electric cylinders (361), and the other side is connected to the other servo motor through a transmission shaft (365). The sampling mechanism (303) is connected to the profile support (301) and the aluminum support (331), and a rodless cylinder (332) is installed above the rodless cylinder (332). A movable transition piece (333) is installed on the slider above the rodless cylinder (332). A sampling pallet (334) is inserted into the movable transition piece (333). A hollow rod (335) for storing suction tips is installed on the sampling pallet (334). A square tube support (341) is provided below the tray tooling displacement mechanism (304) to form a base. A longitudinal transition plate (371) is installed on the square tube support (341). A longitudinal servo electric cylinder (307) and a first linear guide support (309) are installed on the longitudinal transition plate (371).A linear guide assembly (391) is installed on the first linear guide support member (309); a transverse transition plate (381) is installed on the longitudinal servo electric cylinder (307) and the linear guide assembly (391); a transverse servo electric cylinder (308) and a second linear guide support member (392) are installed above the first linear guide support member (309); the linear guide assembly (391) is installed on the second linear guide support member (392); a displacement plate (344) is installed on the transverse servo electric cylinder (308) and the linear guide assembly (391); linear bearings (393) are installed at the four corners of the displacement plate (344); a lifting cylinder (342) is installed above the displacement plate (344); a second support plate (345) is installed above the lifting cylinder (342); guide rods (343) are installed at the four corners of the second support plate (345); the guide rods (343) pass through the linear bearings (393) below; and the second support plate (345) is used to carry a large tray (363). , 2. The material dispensing and conveying device for injection molding pipette tips according to claim 1, characterized in that: The electrical control box (14) is arranged on one side of the peripheral sheet metal frame (10), a top plate (16) is fixed on the top of the peripheral sheet metal frame (10), a fixture removal window (15) is provided on one side of the peripheral sheet metal frame (10), and a debugging window (11) is provided on the other side of the peripheral sheet metal frame (10).

3. The material dispensing and conveying device for injection molding pipette tips according to claim 1, characterized in that: A foot (12) is fixed to the bottom of the peripheral sheet metal frame (10), and casters (13) are installed near the bottom of the peripheral sheet metal frame (10), and there are four foots (12) and four casters (13).

4. The material dispensing and conveying device for injection molding pipette tips according to claim 1, characterized in that: A first operating button (4) is arranged on the peripheral sheet metal frame (10), and a second operating button (5) is arranged on one side of the first operating button (4).

5. The material dispensing and conveying device for injection molding pipette tips according to claim 4, characterized in that: A device indicator light (6) is provided on one side of the second operating button (5), and an alarm indicator light (7) is provided on one side of the device indicator light (6).

6. The material dispensing and conveying device for injection molding pipette tips according to claim 5, characterized in that: An emergency stop button (8) is provided on one side of the warning indicator light (7).

7. The material dispensing and conveying device for injection molding pipette tips according to claim 2, characterized in that: A three-color warning light (9) is provided on one side of the top of the top plate (16).

Citation Information

Patent Citations

  • Taking-out, distributing and conveying equipment for injection molding pipettor suction head

    CN216068368U