Laboratory test tube cleaning machine

Abstract

The utility model provides a laboratory test tube cleaning machine which solves the problem that manual test tube cleaning efficiency is low, is simple in overall structure and small in occupied space and comprises a workbench, a disc support capable of being driven to rotate is arranged on the workbench, and a plurality of test tube clamping stations are arranged on the outer circumference of the disc support. A liftable cleaning mechanism is arranged at the position, on one side of the disc support, of the workbench, the cleaning mechanism comprises a mechanical arm shell, the front end of the mechanical arm shell is rotationally connected with a vertically-distributed cleaning rod, and a water passing cavity is formed in the cleaning rod; a plurality of water passing holes communicating with the water passing cavity are formed in the side wall of the cleaning rod, and a brush is arranged on the outer wall of the cleaning rod; a cleaning driving assembly for driving the cleaning rod to rotate is arranged in the mechanical arm shell, and a rotating connector is installed at the upper end of the cleaning rod and used for being communicated with an input pipe of cleaning liquid.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory test tube cleaning equipment field especially is concerned with a laboratory test tube cleaning machine. BACKGROUND

[0002] Test tube as chemical laboratory commonly used instrument, use as small amount reagent's reaction container, use at normal temperature or heating (should preheat before heating, otherwise test tube is easy to burst). In the laboratory, each specific reaction is carried out with test tube, after completing the experiment, the staff needs to hold the brush and clean one by one, and the brush tool is usually a metal pipe with a brush on the surface.

[0003] However, the test tube is cleaned one by one manually, the work efficiency is low, and the cleaning effect cannot be guaranteed, although there are many test tube cleaning equipment on the market, but its size is relatively large, in general small laboratory, often occupies large space, and the cost is higher, therefore, the laboratory is rarely equipped with the test tube cleaning equipment on the market. UTILITY MODEL CONTENTS

[0004] The utility model provides a laboratory test tube cleaning machine, solves the problem of low efficiency of manual cleaning test tube, and the overall structure is simple, and the occupied space is small.

[0005] The utility model is realized through the following technical schemes:

[0006] A laboratory test tube cleaning machine, including the workbench, the workbench is provided with the disc support that can drive rotation, a plurality of test tube clamping stations are arranged on the outer circumference of the disc support,

[0007] The workbench is provided with a cleaning mechanism that can be lifted on one side of the disc support,

[0008] The cleaning mechanism includes a mechanical arm shell, a vertical distribution cleaning rod is rotatably connected to the front end of the mechanical arm shell, a water cavity is arranged in the cleaning rod, a plurality of water passing holes are arranged on the side wall of the cleaning rod and communicated with the water cavity, and a brush is arranged on the outer wall of the cleaning rod.

[0009] The mechanical arm shell is provided with a cleaning drive assembly for driving the cleaning rod to rotate, a rotary joint is installed on the upper end of the cleaning rod, and the rotary joint is used for connecting the input pipe of the cleaning liquid.

[0010] Further, the cleaning drive assembly includes a driving gear, a driven gear and a first drive motor, the driving gear and the driven gear are rotatably installed in the mechanical arm shell and are in mesh transmission with each other, the axes of the driving gear and the driven gear are vertically distributed, and the output shaft of the first drive motor is connected with the driving gear.

[0011] The upper section of the cleaning rod passes through the shaft center of the driven gear.

[0012] Further, the workbench is provided with a vertical plate, the front side of the vertical plate is provided with a sliding rail, the sliding rail is slidably connected with a base plate, and the mechanical arm shell is fixed on the base plate.

[0013] The vertical plate is rotatably installed with a driving screw, the driving screw is threadedly connected with the base plate, and the top end of the base plate is provided with a second driving motor connected with the driving screw.

[0014] Further, the workbench is vertically rotatably installed with a rotating support shaft, and the bottom surface of the workbench is installed with a third driving motor connected with the rotating support shaft.

[0015] The disc support is fixed at the top end of the rotating support shaft.

[0016] Further, the test tube clamping station comprises a first arc-shaped clamping piece and a second arc-shaped clamping piece, the back surface of the first arc-shaped clamping piece is fixed on the outer periphery of the disc support, the left and right ends of the first arc-shaped clamping piece and the second arc-shaped clamping piece are respectively provided with ear plates, the outer ends of the connecting bolts fixed on the two ear plates of the first arc-shaped clamping piece are respectively provided with locking nuts, the connecting bolts are sleeved with adjusting springs, one end of the adjusting spring contacts the locking nut, and the other end of the adjusting spring contacts the back surface of the ear plate of the second arc-shaped clamping piece.

[0017] Further, rubber pads are attached to the clamping surfaces of the first arc-shaped clamping piece and the second arc-shaped clamping piece.

[0018] Further, the rotating support shaft is also provided with a protractor, a plurality of positioning notches are arranged on the circumference of the protractor, an electric cylinder is arranged on the workbench, the lifting end of the electric cylinder faces upwards and is connected with a positioning block capable of cooperating with the positioning notches.

[0019] Further, the bottom of the workbench is provided with supporting legs, and the number of test tube clamping stations is 6-14.

[0020] The utility model discloses the following beneficial effects compared with the prior art:

[0021] 1、 the laboratory test tube cleaning machine of the utility model, through being provided with a plurality of test tube clamping stations on the outer periphery of disc support, make test tube rotate to move to the below of cleaning mechanism, through the cleaning rod is inserted into test tube, the cleaning rod rotation drives the brush to clean test tube inner wall and sprays cleaning fluid simultaneously, thereby clean test tube completely;

[0022] The utility model discloses no longer need manual cleaning, improve work efficiency greatly, and the whole structure is simple, compact, and the manufacturing cost is low, and the occupied space is small, is suitable for placing in the laboratory, convenient to use, and the equipment cleaning effect is good.

[0023] 2, drive screw control baseplate lift, thereby control whole cleaning mechanism lift, and the cleaning drive assembly can control cleaning rod rotation, and the cleaning operation of cleaning rod is realized through mutual cooperation in the inner wall cleaning of test tube.

[0024] 3, test tube clamping station includes first arc clamping piece and second arc clamping piece, when needing to place test tube, second arc clamping piece is pulled outwards, and test tube is placed into it, under the action of adjusting spring, second arc clamping piece and first arc clamping piece will test tube fixed clamping, avoid test tube to shake, and the cleaning rod can accurately enter test tube, guarantee the smooth progress of cleaning operation.

[0025] 4, the rotary support shaft is also provided with a protractor, the locking of rotary support shaft is realized by the positioning block of electric cylinder ascending and extending into the positioning gap of protractor, avoids the shaking of disc support when cleaning rod rotates and washes test tube, causes interference. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the laboratory test tube cleaning machine three-dimensional schematic view of the utility model.

[0027] Figure 2 It is the laboratory test tube cleaning machine front view of the utility model.

[0028] Figure 3 It is Figure 1 It is the enlarged schematic view of A part in the middle.

[0029] Figure 4 It is the internal schematic view of the cleaning mechanism of the utility model.

[0030] In the drawing: 1, workbench, 2, disc support, 3, first drive motor, 4, second drive motor, 5, third drive motor, 6, rotary support shaft, 7, first arc clamping piece, 8, second arc clamping piece, 9, connecting bolt, 10, adjusting spring, 11, locking nut, 12, protractor, 13, electric cylinder, 14, positioning block, 15, vertical plate, 16, mechanical arm shell, 17, cleaning rod, 18, driving gear, 19, driven gear, 20, water cavity, 21, water hole, 22, brush, 23, rotary joint. DETAILED DESCRIPTION

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0032] In the description of the utility model, it should be understood that the terms "front", "rear", "up", "down", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0033] like Figures 1-4 As shown, this embodiment discloses a laboratory test tube washing machine, which mainly includes a workbench 1, a disc support 2, a washing mechanism, a first drive motor 3, a second drive motor 4, and a third drive motor 5. The workbench 1 is a rectangular steel plate with dimensions of 60cm × 40cm × 2cm, and four support legs are installed at the bottom of the workbench 1. A rotating support shaft 6 is vertically and rotatably mounted on the workbench 1 via a bearing assembly. The base of the third drive motor 5 is fixed to the bottom surface of the workbench 1, and the output shaft of the third drive motor 5 is connected to the rotating support shaft 6 via a coupling. The disc support 2 is fixed to the top of the rotating support shaft 6 with bolts, and the third drive motor 5 can drive the rotating support shaft 6 to rotate.

[0034] A plurality of test tube clamping stations are evenly distributed on the outer periphery of the disc support 2, the number of test tube clamping stations can be selected in the range of 6-12, and the number can be designed to increase or decrease according to actual needs. In this embodiment, because it is used in a small-scale laboratory, the number of test tubes is relatively small, and 6 test tube clamping stations are sufficient. The test tube clamping station includes a first arc-shaped clamping piece 7 and a second arc-shaped clamping piece 8. The back of the first arc-shaped clamping piece 7 is fixedly connected to the outer periphery of the disc support 2 through a fixed shaft. Ear plates are respectively machined at the left and right ends of the first arc-shaped clamping piece 7 and the second arc-shaped clamping piece 8. A connecting bolt 9 is respectively welded on the two ear plates of the first arc-shaped clamping piece 7, and the connecting bolt 9 is perpendicular to the plate surface of the ear plate. Assembly holes are respectively machined on the two ear plates of the second arc-shaped clamping piece 8, which are matched with the connecting bolt 9. A locking nut 11 is installed at the outer end of the connecting bolt 9. An adjusting spring 10 is sleeved on the connecting bolt 9, one end of the adjusting spring 10 contacts the locking nut 11, and the other end contacts the back of the ear plate of the second arc-shaped clamping piece 8. Under the action of the adjusting spring 10, the second arc-shaped clamping piece 8 always leans towards the first arc-shaped clamping piece 7. In order to prevent the test tube wall from being scratched, rubber pads are pasted on the clamping surfaces of the first arc-shaped clamping piece 7 and the second arc-shaped clamping piece 8. In use, the second arc-shaped clamping piece 8 is pulled outward, and the test tube is placed in it. Under the action of the adjusting spring 10, the second arc-shaped clamping piece 8 and the first arc-shaped clamping piece 7 fix and clamp the test tube, avoiding shaking of the test tube.

[0035] In order to improve the stability of the rotating disc support, a dividing disc 12 is coaxially distributed on the rotating support shaft 6. Six positioning notches are evenly machined on the circumference of the dividing disc 12. An electric cylinder 13 is installed on the workbench 1, the lifting end of the electric cylinder 13 faces upwards and is connected to a positioning block 14. The positioning block 14 can cooperate with the positioning notches. By lifting the electric cylinder 13, the positioning block 14 is inserted into the positioning notches of the dividing disc 12 to lock the rotating support shaft 6.

[0036] A vertical plate 15 is installed on the workbench 1, and the vertical plate 15 is located on one side of the rotating disc support. A slide rail is installed on the front side of the vertical plate 15, and a base plate is slidably connected to the slide rail. A cleaning mechanism is fixedly installed on the base plate. A vertically distributed drive screw is rotatably installed on the vertical plate 15, and the drive screw is threadedly connected to the base plate. The second drive motor 4 is fixedly installed at the top end of the base plate, and the output shaft of the second drive motor 4 is connected to the drive screw. The drive screw is rotated by the second drive motor 4 to realize the lifting of the cleaning mechanism on the base plate.

[0037] The cleaning mechanism comprises a mechanical arm shell 16, a cleaning rod 17 and a cleaning driving assembly, the mechanical arm shell 16 is fixed on the base plate by bolts. The cleaning driving assembly comprises a driving gear 18, a driven gear 19 and a first driving motor 3, the driving gear 18 and the driven gear 19 are both revolvedly installed in the mechanical arm shell 16 through rotating shafts and are in mesh transmission with each other, the axes of the driving gear 18 and the driven gear 19 are vertically distributed during installation, and the output shaft of the first driving motor 3 is connected with the driving gear 18. The driven gear 19 is provided with a mounting hole in the shaft center, the upper section of the cleaning rod 17 is passed through the shaft center of the driven gear 19 and is fixed on the mounting hole, so that the driven gear 19 can drive the cleaning rod 17 to rotate. The cleaning rod 17 is provided with a water passage 20 in the axial line, a plurality of water passing holes 21 which are communicated with the water passage 20 are processed on the side wall of the cleaning rod 17, and a brush 22 is arranged on the outer wall of the cleaning rod 17. A rotary joint 23 is installed on the upper end of the cleaning rod 17, the rotary joint 23 is communicated with an external input pipe, and the input pipe is used for circulating cleaning liquid for the residues in the test tube.

[0038] The specific working process of the laboratory test tube cleaning machine is as follows:

[0039] The test tubes to be cleaned are placed in the test tube clamping stations in sequence, the rotation of the rotating disc support is controlled to make the test tubes move to the lower side of the cleaning mechanism in turn, then the index plate is locked by the positioning block to ensure the stable position of the rotating disc support, the cleaning mechanism is controlled to descend, the cleaning rod is inserted into the test tube, the cleaning rod is rotated to drive the brush to clean the inner wall of the test tube and spray cleaning liquid through the water passing holes at the same time, so that the test tube is cleaned, when the cleaning is completed, the cleaning mechanism is reset, and the next test tube to be cleaned is rotated to the lower side of the cleaning mechanism.

[0040] Usually, it takes 1-2 minutes to clean a test tube manually, and it is not easy to ensure the cleaning quality after repeated cleaning. The utility model does not need manual cleaning any more, and it only takes 30 seconds to clean a test tube, which greatly improves the work efficiency. Meanwhile, the equipment has good cleaning effect, simple and compact overall structure, low manufacturing cost, small occupied space and is suitable for being placed in the laboratory and convenient to use.

Claims

1. A laboratory test tube cleaning machine, characterized in that, Includes a workbench, on which a rotatable disc support is provided, and multiple test tube clamping stations are provided on the outer circumference of the disc support; The workbench is equipped with a liftable cleaning mechanism on one side of the disc support. The cleaning mechanism includes a robotic arm housing, with vertically distributed cleaning rods rotatably connected to the front end of the robotic arm housing. The cleaning rods have a water passage cavity inside, and several water passage holes communicating with the water passage cavity are provided on the side wall of the cleaning rods. The outer wall of the cleaning rods is provided with brushes. The robotic arm housing is equipped with a cleaning drive assembly that drives the cleaning rod to rotate. A rotary joint is installed at the upper end of the cleaning rod, and the rotary joint is used to connect to the input pipe of the cleaning fluid.

2. The laboratory test tube cleaning machine according to claim 1, characterized in that, The cleaning drive assembly includes a drive gear, a driven gear, and a first drive motor. The drive gear and the driven gear are both rotatably mounted inside the robotic arm housing via a rotating shaft and mesh with each other for transmission. The axes of the drive gear and the driven gear are both vertically distributed. The output shaft of the first drive motor is connected to the drive gear. The upper section of the cleaning rod passes through the shaft of the driven gear.

3. The laboratory test tube cleaning machine according to claim 2, characterized in that, The workbench is provided with a vertical plate, and the front side of the vertical plate is provided with a slide rail. A base plate is slidably connected on the slide rail, and the robotic arm shell is fixed on the base plate. The upright plate is swivelly mounted with a drive screw, which is threadedly connected to the base plate. A second drive motor, connected to the drive screw, is provided at the top of the base plate.

4. The laboratory test tube cleaning machine according to claim 2, characterized in that, A rotating support shaft is vertically and rotatably mounted on the workbench, and a third drive motor connected to the rotating support shaft is mounted on the bottom surface of the workbench. The disc bracket is fixed to the top of the rotating support shaft.

5. The laboratory test tube cleaning machine according to claim 4, characterized in that, The test tube clamping station includes a first arc-shaped clamp and a second arc-shaped clamp. The back of the first arc-shaped clamp is fixed to the outer periphery of the disc support. Ear plates are respectively provided at the left and right ends of the first and second arc-shaped clamps. Connecting bolts are respectively fixed on the two ear plates of the first arc-shaped clamp. Assembly holes for assembling with the connecting bolts are respectively provided on the two ear plates of the second arc-shaped clamp. A locking nut is installed on the outer end of the connecting bolt. An adjusting spring is sleeved on the connecting bolt. One end of the adjusting spring contacts the locking nut and the other end contacts the back of the ear plate of the second arc-shaped clamp.

6. The laboratory test tube cleaning machine according to claim 5, characterized in that, Rubber pads are attached to the clamping surfaces of the first and second arc-shaped clamps.

7. The laboratory test tube washing machine according to claim 4, characterized in that, The rotating support shaft is also equipped with an indexing plate, and multiple positioning notches are provided on the circumference of the indexing plate. An electric cylinder is provided on the worktable, and the lifting end of the electric cylinder faces upward and is connected to a positioning block that can cooperate with the positioning notches.

8. The laboratory test tube washing machine according to any one of claims 1-7, characterized in that, The workbench is equipped with support legs at its bottom, and the number of test tube clamping stations is 6-14.

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