CN219111823U - A rubbing crusher for smashing pipette - Google Patents

Abstract

The utility model relates to the technical field of laboratory consumable treatment, in particular to a pulverizer for pulverizing a pipette, which comprises a box body, wherein a feeding mechanism, a conveying mechanism, a pulverizing mechanism and a collecting mechanism are sequentially arranged in the box body from top to bottom, the feeding mechanism comprises a feeding plate, the feeding plate is arranged on the top surface of the box body, and a vertically-through feeding hole is formed in the feeding plate; the conveying mechanism comprises a fixed conveying roller and a movable conveying roller; the crushing mechanism comprises a crushing cutter and a driving motor, and the crushing cutter and the driving motor are both arranged in the box body; the collecting mechanism is a collecting box, the collecting box is arranged below the output port, and an opening for drawing the collecting box is formed in the front side of the box body. According to the pulverizer provided by the utility model, aiming at the slender shape of a pipette, the fixed conveying roller and the movable conveying roller with variable diameters are arranged in the conveying mechanism, and the pipette is fixed through the first compression spring and the movable conveying roller, so that the pipette is effectively crushed, and crushed aggregates obtained by crushing are small in size and free of sharp parts.

Description

A rubbing crusher for smashing pipette

Technical Field

The utility model relates to the technical field of laboratory consumable treatment, in particular to a pulverizer for pulverizing a pipette.

Background

A pipette is a measuring instrument that measures the volume of solution it emits. The disposable pipette is mostly made of transparent high polymer material polystyrene (GPPS), is mainly used for measuring a certain volume of liquid and vacuum suction, and is widely applied to the fields of tissue culture, bacteriology, clinic, scientific research experiments and the like.

After the pipette is used, the general treatment mode is to put into a garbage can to be uniformly treated with other waste consumables, but due to the long and thin appearance characteristics of one end of the pipette, the pipette occupies a large space, and the pipette can puncture the garbage bag when being subjected to jolt or other external forces in the process of transferring the garbage bag, so that the waste consumables and various residual waste liquids are leaked, and environmental pollution is caused.

Therefore, there is a need for a shredder that can facilitate handling of pipettes to handle used waste pipettes, ensuring efficient transfer recovery of pipettes.

Disclosure of Invention

The utility model aims to solve the defects of the prior art, and provides a pulverizer for pulverizing a pipette, which is used for effectively pulverizing the pipette, the volume occupied by the pipette after pulverization is reduced compared with that before pulverization, and the pulverized particles are not provided with sharp parts, so that the damage to garbage bags is avoided.

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

a pulverizer for pulverizing pipette comprises a box body, wherein a feeding mechanism, a conveying mechanism, a pulverizing mechanism and a collecting mechanism are sequentially arranged in the box body from top to bottom,

the feeding mechanism comprises a feeding plate, the feeding plate is arranged on the top surface of the box body, and a vertically-through feeding hole is formed in the feeding plate;

the conveying mechanism comprises a fixed conveying roller and a movable conveying roller, wherein fixed plates are arranged on the left side and the right side of the inner wall of the box body, the fixed conveying roller and the movable conveying roller are both arranged on the fixed plates, the fixed conveying roller and the movable conveying roller are positioned on the same horizontal plane, the movable conveying roller can move back and forth on the fixed plates, a first compression spring is arranged between the fixed plates and the movable conveying roller, the acting force of the first compression spring on the movable conveying roller faces the fixed conveying roller, and the diameters of the fixed conveying roller and the movable conveying roller are gradually reduced from two ends to the middle;

the crushing mechanism comprises a crushing cutter and a driving motor, the crushing cutter is arranged below the conveying mechanism, the driving motor is arranged on the inner wall of the box body, and the driving motor is used for driving the crushing cutter to rotate;

the collecting mechanism is a collecting box, the collecting box is arranged below the crushing cutter, and an opening for the collecting box to be pulled is formed in the front side of the box body.

According to the pulverizer, aiming at the slender shape of the pipette, the fixed conveying roller and the movable conveying roller which are gradually reduced from two ends to the middle are arranged in the conveying mechanism, and the pipette is fixed through the first compression spring and the movable conveying roller, so that the pipette is effectively crushed, the crushed aggregates obtained by crushing are small in size and free of sharp parts, the garbage bags are not punctured even if jolt or other external forces are applied to the garbage bags, secondary pollution caused in the garbage transferring process is avoided, meanwhile, the occupied space of the crushed aggregates is small, and the transferring efficiency is effectively improved.

Preferably, moving plates are arranged at two ends of the moving conveying roller, moving grooves are formed in the fixed plates, the moving plates can be arranged in the moving grooves in a front-back sliding mode, and the first compression springs are arranged between the moving plates and the fixed plates and located in the moving grooves.

Preferably, the feeding plate comprises an upper feeding plate and a lower feeding plate, the upper feeding plate is provided with an upper feeding hole, the lower feeding plate is provided with a lower feeding hole, the size of the upper feeding hole is smaller than that of the lower feeding hole, a limiting piece is arranged at the lower feeding hole and used for keeping a pipette in a vertical state, the limiting piece comprises an upper limiting piece unit and a lower limiting piece unit, the limiting piece unit comprises a movable plate, opposite inner side walls of the movable plate form a round shape, the movable plate is arranged on the lower feeding plate through a second compression spring, and the movable plate can move along the radial direction of the lower feeding hole.

Through setting up the relatively less upper feed plate of size, can utilize upper feed plate to stop the crushed aggregates that splashes out at crushing in-process, prevent that the crushed aggregates from causing the injury to operating personnel, the risk of effective control operation in-process, the opposite inner side wall of fly leaf becomes circularly, the same with the outer wall shape of pipette to play the effect of centre gripping pipette, and through setting up second compression spring, guarantee that the locating part can carry out spacingly to the pipette of equidimension not.

Preferably, the crushing mechanism further comprises a cutter cover, the cutter cover is fixedly arranged relative to the box body, the cutter cover and the crushing cutter are coaxially arranged, the cutting edge of the crushing cutter is wrapped by the cutter cover, an input port is formed in the top of the cutter cover and is positioned below the conveying mechanism, an output port is formed in the bottom of the cutter cover, and the output port is positioned above the collecting box.

Preferably, the cutting edge of the crushing cutter is spiral, so that the pipette can be crushed and crushed materials can be conveyed.

Further preferably, the crushing cutter and the cutter housing are both made of a corrosion resistant material, e.g. the crushing cutter may be made of corrosion resistant steel and the cutter housing may be made of glass fiber reinforced plastic. Because the liquid which is not cleaned is generally reserved in the abandoned pipette, the components which are directly contacted with the pipette in the crushing mechanism are made of corrosion-resistant materials, the service life of the whole device can be prolonged, and the use cost is reduced.

Preferably, an observation window is arranged on the front side of the collecting box, a transparent observation plate is arranged on the observation window, and a handle is arranged on the collecting box.

Through seting up the observation window at the collecting box front side, the operating personnel of being convenient for observe the crushed aggregates condition of piling up in the collecting box to in time pull out the collecting box through the handle, retrieve the transportation to the crushed aggregates.

Preferably, the crushing cutter and the fixed conveying roller are connected through a transmission assembly, specifically, a first synchronous belt pulley and a second synchronous belt pulley are respectively arranged on the crushing cutter and the fixed conveying roller, and the first synchronous belt pulley is connected with the second synchronous belt pulley through a synchronous belt.

Through connecting broken cutter and fixed conveying roller, when driving motor drive broken cutter rotates, fixed conveying roller also rotates, and conveying mechanism of being convenient for is to the transport of pipette to crushing mechanism.

Further preferably, the box body is further provided with a control mechanism, the control mechanism comprises a proximity sensor and a controller, the proximity sensor is fixed at the feed inlet and the output port, the controller is electrically connected with the proximity sensor and the driving motor respectively, and the controller is used for receiving signals measured by the proximity sensor and controlling the driving motor to switch.

Through setting up control mechanism, when operating personnel inserts the pipette into the feed inlet, the proximity sensor of feed inlet department responds to the entering of pipette, to the controller transmission signal, the controller receives the signal and opens driving motor, driving motor drives arbor and fixed conveying roller rotation this moment, operating personnel only need insert the pipette by the feed inlet to conveying mechanism can, follow-up transport and the crushing process of pipette are by the controller carries out automatic control, proximity sensor when delivery outlet department senses no longer has crushed aggregates to export from the delivery outlet, then transmit the signal to the controller, close driving motor by the controller, can realize closing of device.

The utility model has the beneficial effects that:

1. according to the pulverizer, aiming at the slender shape of the pipette, the fixed conveying roller and the movable conveying roller with the diameters gradually reduced from two ends to the middle are arranged in the conveying mechanism, and the pipette is fixed through the first compression spring and the movable conveying roller, so that the pipette is effectively pulverized, the pulverized material obtained by the pulverization is small in size and free of sharp parts, jolts or other external forces are timely applied to the garbage bag, the garbage bag is not punctured, secondary pollution caused in the garbage transferring process is avoided, meanwhile, the occupied space of the pulverized material is small, and the transferring efficiency is effectively improved;

2. according to the pulverizer provided by the utility model, automatic control is realized by arranging the control mechanism, when an operator inserts a pipette into the feed inlet, the proximity sensor at the feed inlet senses the entering of the pipette, a signal is transmitted to the controller, the controller receives the signal and turns on the driving motor, the driving motor drives the cutter shaft and the fixed conveying roller to rotate at the moment, the operator only needs to insert the pipette into the conveying mechanism from the feed inlet, the follow-up conveying and pulverizing processes of the pipette are automatically controlled by the controller, when the proximity sensor at the output port senses that no crushed aggregates are output from the output port any more, the signal is transmitted to the controller, and the driving motor is turned off by the controller, so that the device can be turned off.

Drawings

FIG. 1 is a schematic view showing the structure of a pulverizer for pulverizing pipettes provided in example 1;

fig. 2 is a schematic structural view of a conveying mechanism provided in embodiment 1;

fig. 3 is a schematic structural view of a pulverizing mechanism provided in embodiment 1;

FIG. 4 is a schematic view of the structure of the collecting mechanism provided in embodiment 1;

FIG. 5 is a schematic view of the structure of the feeding mechanism provided in example 2;

101. a case; 1. a feed mechanism; 11. an upper feed plate; 12. a lower feed plate; 13. a second compression spring; 14. a movable plate; 15. a controller; 16. a proximity sensor; 2. a conveying mechanism; 21. a roller; 22. fixing a conveying roller; 23. moving the conveying roller; 24. a second synchronous pulley; 25. a fixing plate; 26. a moving plate; 27. a first compression spring; 3. a crushing mechanism; 31. crushing a cutter; 32. a cutter cover; 33. a first arbor mounting plate; 34. a second arbor mounting plate; 35. a cutter baffle; 36. a third synchronous pulley; 37. a first synchronous pulley; 38. a cutter shaft; 39. a driving motor; 4. a collection mechanism; 41. a collection box; 42. an observation window; 43. a handle.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples.

Example 1:

as shown in fig. 1, a pulverizer for pulverizing pipettes comprises a box body 101, wherein a feeding mechanism 1, a conveying mechanism 2, a pulverizing mechanism 3 and a collecting mechanism 4 are sequentially arranged in the box body 101 from top to bottom,

the feeding mechanism 1 comprises a feeding plate, the feeding plate is arranged on the top surface of the box body 101, and a vertically-through feeding hole is formed in the feeding plate; the feeding plate comprises an upper feeding plate 11 and a lower feeding plate 12, an upper feeding hole is formed in the upper feeding plate 11, a lower feeding hole is formed in the lower feeding plate 12, the size of the upper feeding hole is smaller than that of the lower feeding hole, a limiting piece is arranged at the lower feeding hole and used for keeping a pipette in a vertical state, the limiting piece comprises an upper limiting piece unit and a lower limiting piece unit, the limiting piece unit comprises a movable plate 14, opposite inner side walls of the movable plate 14 are round, the movable plate 14 is arranged on the lower feeding plate 12 through a second compression spring 13, and the movable plate 14 can radially move along the lower feeding hole.

As shown in fig. 2, the conveying mechanism 2 includes a fixed conveying roller 22 and a movable conveying roller 23, fixed plates 25 are disposed on left and right sides of an inner wall of the case 101, the fixed conveying roller 22 and the movable conveying roller 23 are disposed on the fixed plates 25, the fixed conveying roller 22 and the movable conveying roller 23 are located on a same horizontal plane, the movable conveying roller 23 can move back and forth on the fixed plates 25, a first compression spring 27 is disposed between the fixed plates 25 and the movable conveying roller 23, an acting force of the first compression spring 27 on the movable conveying roller 23 faces the fixed conveying roller 22, and diameters of rollers 21 of the fixed conveying roller 22 and the movable conveying roller 23 are gradually reduced from two ends to the middle; in this embodiment, moving plates 26 are disposed at two ends of the moving conveying roller 23, moving grooves are formed in the fixed plate 25, the moving plates 26 are slidably disposed in the moving grooves back and forth, and a first compression spring 27 is disposed between the moving plates 26 and the fixed plate 25 and located in the moving grooves.

As shown in fig. 3, the crushing mechanism 3 includes a crushing cutter 31 and a driving motor 39, the crushing cutter 31 includes a cutter shaft 38 and a blade disposed on the cutter shaft 38, the cutter shaft 38 is disposed on the box 101, specifically, the left and right ends of the cutter shaft 38 are respectively rotatably disposed on the first cutter shaft fixing plate 33 and the second cutter shaft fixing plate 34, the first cutter shaft fixing plate 33 and the second cutter shaft fixing plate 34 are respectively fixed on the left and right sides of the inner wall of the box 101, the driving motor 39 is disposed on the inner wall of the box 101, the driving motor 39 is used for driving the cutter shaft 38 to rotate, in this embodiment, the driving motor 39 drives the cutter shaft 38 to rotate through a third synchronous pulley 36 disposed on the cutter shaft 38, the crushing cutter 31 is further provided with a cutter cover 32, the cutter cover 32 and the crushing cutter 31 are coaxially disposed, and the blade of the crushing cutter 31 is wrapped by the cutter cover 32, and the blade of the crushing cutter 31 is spiral, so that both the crushing of the pipette and the conveying of the crushed aggregates can be realized; the top surface and the bottom surface of the cutter cover 32 are respectively provided with an input port and an output port, the input port is positioned below the conveying mechanism 2, the left side of the cutter cover 32 is provided with a cutter baffle 35, the cutter shaft 38 is also provided with a coupler, and the coupler is arranged between the third synchronous pulley 36 and the cutter baffle 35 and is used for prolonging the length of the cutter shaft 38; the crushing cutter 31 and the cutter cover 32 are both made of a corrosion resistant material, for example, the crushing cutter 31 may be made of corrosion resistant steel, and the cutter cover 32 may be made of glass fiber reinforced plastic;

as shown in fig. 4, the collecting mechanism 4 is a collecting box 41, the collecting box 41 is disposed below the output port, an opening for drawing the collecting box 41 is opened at the front side of the box body 101, an observation window 42 is opened at the front side of the collecting box 41, a transparent observation plate is disposed on the observation window 42, and a handle 43 is disposed on the collecting box 41.

The cutter shaft 38 and the fixed conveying roller 22 are connected through a transmission assembly, specifically, a first synchronous pulley 37 and a second synchronous pulley 24 are respectively arranged on the cutter shaft 38 and the fixed conveying roller 22, and the first synchronous pulley 37 and the second synchronous pulley 24 are connected through a synchronous belt. By connecting the cutter shaft 38 and the fixed conveying roller 22, when the drive motor drives the cutter shaft 38 to rotate, the fixed conveying roller 22 also rotates, so that the conveying mechanism 2 can convey the pipette to the crushing mechanism 3 conveniently.

Example 2:

as shown in fig. 5, a pulverizer for pulverizing pipettes is different from embodiment 1 in that a control mechanism is further provided on the case 101, the control mechanism includes a proximity sensor 16 and a controller 15, the proximity sensor 16 is fixed at a feed inlet and an output port, the controller 15 is electrically connected with the proximity sensor 16 and a driving motor 39, respectively, and the controller 15 is used for receiving a signal measured by the proximity sensor 16 and controlling the driving motor 39 to switch.

Through setting up control mechanism, when operating personnel inserts the pipette into the feed inlet, the proximity sensor 16 of feed inlet department responds to the entering of pipette, to the signal transmission of controller 15, the signal is received to controller 15 and drive motor 39 is opened, drive motor 39 drives arbor 38 and fixed conveying roller 22 rotation this moment, operating personnel only need insert the pipette to conveying mechanism 2 by the feed inlet can, follow-up transport and the crushing process of pipette are by controller 15 automatic control, proximity sensor 16 when delivery outlet department senses no longer has crushed aggregates to export from the delivery outlet output, then transmit the signal to controller 15, close driving motor by controller 15, can realize closing of device.

When the pipette is inserted into the feeding hole by an operator, the proximity sensor 16 at the feeding hole senses the entering of the pipette, signals are transmitted to the controller 15, the controller 15 receives the signals and opens the driving motor, the driving motor drives the cutter shaft 38 and the fixed conveying roller 22 to rotate at the moment, the operator only needs to insert the pipette into the conveying mechanism from the feeding hole, the follow-up conveying and crushing processes of the pipette are automatically controlled by the controller, when the proximity sensor 16 at the output hole senses that no crushed aggregates are output from the output hole any more, the signals are transmitted to the controller 15, and the driving motor is closed by the controller 15, so that the device can be closed.

Claims (9)

1. A pulverizer for pulverizing pipettes comprises a box body (101), and is characterized in that a feeding mechanism (1), a conveying mechanism (2), a pulverizing mechanism (3) and a collecting mechanism (4) are sequentially arranged in the box body (101) from top to bottom,

the feeding mechanism (1) comprises a feeding plate, the feeding plate is arranged on the top surface of the box body (101), and a vertically-through feeding hole is formed in the feeding plate;

the conveying mechanism (2) comprises a fixed conveying roller (22) and a movable conveying roller (23), fixed plates (25) are arranged on the left side and the right side of the inner wall of the box body (101), the fixed conveying roller (22) and the movable conveying roller (23) are arranged on the fixed plates (25), the fixed conveying roller (22) and the movable conveying roller (23) are located on the same horizontal plane, the movable conveying roller (23) can move back and forth on the fixed plates (25), a first compression spring (27) is arranged between the fixed plates (25) and the movable conveying roller (23), the acting force of the first compression spring (27) on the movable conveying roller (23) faces the fixed conveying roller (22), and the diameters of the fixed conveying roller (22) and the movable conveying roller (23) are gradually reduced from two ends to the middle;

the crushing mechanism (3) comprises a crushing cutter (31) and a driving motor (39), the crushing cutter (31) is arranged below the conveying mechanism (2), the driving motor (39) is arranged on the inner wall of the box body (101), and the driving motor (39) is used for driving the crushing cutter (31) to rotate;

the collecting mechanism (4) is a collecting box (41), the collecting box (41) is arranged below the crushing cutter (31), and an opening for the collecting box (41) to be pulled is formed in the front side of the box body (101).

2. A shredder for shredding pipettes according to claim 1, wherein the moving conveyor roller (23) is provided with a moving plate (26) at both ends, the fixed plate (25) is provided with a moving slot, the moving plate (26) is slidably disposed in the moving slot back and forth, and the first compression spring (27) is disposed between the moving plate (26) and the fixed plate (25) and in the moving slot.

3. The pulverizer for pulverizing pipettes according to claim 1, wherein the feeding plate comprises an upper feeding plate (11) and a lower feeding plate (12), the upper feeding plate (11) is provided with an upper feeding hole, the lower feeding plate (12) is provided with a lower feeding hole, the upper feeding hole is smaller than the lower feeding hole in size, a limiting piece is arranged at the lower feeding hole, the limiting piece comprises an upper limiting piece unit and a lower limiting piece unit, the limiting piece unit comprises a movable plate (14), the movable plate (14) can be radially and slidably arranged on the lower feeding plate along the feeding hole, a second compression spring (13) is arranged between the lower feeding plate (12) and the movable plate (14), the second compression spring (13) is used for enabling the movable plate (14) to move inwards, and the opposite inner side walls of the movable plate (14) are round.

4. A shredder for shredding pipettes according to claim 1, wherein said shredding mechanism (3) further comprises a cutter housing (32), said cutter housing (32) being fixedly arranged with respect to the box, said cutter housing (32) being coaxially arranged with the shredding cutter (31), and the cutting edge of said shredding cutter (31) being enclosed by said cutter housing (32), said cutter housing (32) being open at the top with an inlet opening, said inlet opening being located below said conveying mechanism (2), said cutter housing (32) being open at the bottom with an outlet opening, said outlet opening being located above said collecting box (41).

5. A shredder for shredding pipettes according to claim 4, wherein the edge of the shredding cutter (31) is helical.

6. A shredder for shredding pipettes according to claim 4, wherein the shredding cutter (31) and cutter cap (32) are both made of a corrosion resistant material.

7. A shredder for shredding pipettes according to claim 1, wherein the collection box (41) is provided with a viewing window (42) on the front side, a transparent viewing plate is provided on the viewing window (42), and a handle (43) is provided on the collection box (41).

8. A shredder for shredding pipettes according to claim 1, wherein the shredding cutter (31) and the fixed conveyor roller (22) are connected by a transmission assembly.

9. The pulverizer for pulverizing pipettes according to claim 4, wherein the case is further provided with a control mechanism, the control mechanism comprises a proximity sensor (16) and a controller (15), the proximity sensor (16) is fixed at the feed inlet and the output port, the controller (15) is electrically connected with the proximity sensor (16) and the driving motor (39) respectively, and the controller (15) is used for receiving signals measured by the proximity sensor (16) and controlling the driving motor (39) to switch.

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