CN214584849U

CN214584849U - Automatic polarimeter capable of rapidly replacing polarimeter

Info

Publication number: CN214584849U
Application number: CN202023222375.2U
Authority: CN
Inventors: 王仕光; 沈静; 张利娟; 刘培培
Original assignee: Hebei Anpu Testing Technology Service Co ltd
Current assignee: Hebei Anpu Testing Technology Service Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-02
Anticipated expiration: 2030-12-28

Abstract

The application relates to an automatic polarimeter capable of quickly replacing a polarimeter, which relates to the field of polarimeters and comprises a polarimeter body, a sample chamber arranged in the polarimeter body, a polarimeter used for being placed in the sample chamber, a cover plate arranged on the sample chamber and a feeding mechanism arranged in the sample chamber; the feeding mechanism comprises a rotating shaft which is rotatably connected between two opposite inner side walls of the sample chamber, supporting arms are sleeved at two ends of the rotating shaft, two ends of each supporting arm are located on two sides of the rotating shaft, and clamping assemblies used for clamping the optical rotation tubes are arranged at two ends of each supporting arm. The optical rotation tube replacing device has the effect of improving convenience of replacing the optical rotation tube for workers.

Description

Automatic polarimeter capable of rapidly replacing polarimeter

Technical Field

The application relates to the field of polarimeters, in particular to an automatic polarimeter capable of quickly replacing a polarimeter.

Background

An automatic polarimeter is an instrument that measures the optical rotation of a substance. The concentration, the content, the purity and the like of substances can be analyzed and determined by measuring the optical rotation, a test solution to be detected needs to be filled into an optical rotation tube firstly during measurement, then the optical rotation tube is placed in a sample introduction chamber for detection, after the detection is finished, a worker needs to insert a hand into a sample box to take out the optical rotation tube, replace the test solution and then place the optical rotation tube into a sample chamber for detection; the efficiency of replacing the optical rotation tube is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the efficiency of replacing the polarimeter by the automatic polarimeter is too low, the application provides the automatic polarimeter capable of rapidly replacing the polarimeter.

The application provides an automatic polarimeter of quick replacement polarimeter adopts following technical scheme:

an automatic polarimeter capable of quickly replacing a polarimeter comprises a polarimeter body, a sample chamber arranged in the polarimeter body, a polarimeter used for being placed in the sample chamber, a cover plate arranged on the sample chamber and a feeding mechanism arranged in the sample chamber; the feeding mechanism comprises a rotating shaft which is rotatably connected between two opposite inner side walls of the sample chamber, supporting arms are sleeved at two ends of the rotating shaft, two ends of each supporting arm are located on two sides of the rotating shaft, and clamping assemblies used for clamping the optical rotation tubes are arranged at two ends of each supporting arm.

Through adopting above-mentioned technical scheme, when the staff need change the optical rotation tube, can open the apron earlier, install the optical rotation tube that is not detected on being in the outside centre gripping subassembly of sample case, then the axis of rotation rotates, make fix the optical rotation tube of fixing in the centre gripping subassembly of axis of rotation below and move the opening part of sample case along with the drive of axis of rotation, at this moment, the optical rotation tube that is originally in the axis of rotation top moves to the interior bottom surface department that is close to the sample case and detects, then the staff takes out the optical rotation tube that has detected, change, the effectual convenience that improves the staff and change the optical rotation tube.

Optionally, both ends of support arm set up and all be provided with and rotate the seat, it all is located the side that two support arms are close to rotate the seat, the centre gripping subassembly all sets up on the rotation seat that corresponds.

Through adopting above-mentioned technical scheme, when the axis of rotation rotated, the seat that rotates rotated, made the seat bottom surface of rotating keep parallel with the interior bottom surface of sample box all the time, and then guaranteed that the test solution in placing the optical rotation pipe on rotating the seat can not take place too big oscillation, guaranteed measuring result's accuracy.

Optionally, the rotation seat is connected including dwang, the rotation that sets firmly on the support arm the dwang is kept away from the one end of support arm the connecting plate, is set firmly the bottom plate on the side of support arm is kept away from to the connecting plate, just the dwang is close to its both ends department with the bottom plate at the connecting plate respectively, the centre gripping subassembly sets up on the bottom plate.

Through adopting above-mentioned technical scheme, the seat that rotates uses the dwang to rotate as the axis, and bottom plate and centre gripping subassembly are in and keep away from axis of rotation department on the connecting plate, and the focus is in the dwang below.

Optionally, a balancing weight is fixedly arranged on the surface of the bottom plate, which is far away from the clamping assembly.

By adopting the technical scheme, the weight of the bottom plate is effectively increased, the gravity center of the rotating seat moves downwards, the gravity center is ensured to be positioned below the rotating rod, and the bottom plate is always parallel to the inner bottom surface of the sample box.

Optionally, a rotating through hole is formed in the side face of the connecting plate close to the rotating rod, a bearing is arranged in the rotating through hole, the rotating rod penetrates through the bearing, and the rotating rod is rotatably connected with the connecting plate through the bearing.

By adopting the technical scheme, the sliding friction force received by the bearing during rotation is smaller, and the stability of the rotating seat during rotation can be effectively ensured.

Optionally, the centre gripping subassembly is including setting firmly the base on the bottom plate top surface, be provided with two baffles on the top surface of base, two the baffle is the interval and sets up and parallel to each other, two be provided with two holders between the baffle, two the holder all slides with the base and is connected, all is provided with the spring between two holders and the baffle that corresponds.

By adopting the technical scheme, when a worker needs to fix the optical rotation tube, the two clamping pieces can be firstly separated from each other, then the optical rotation tube is placed between the two clamping pieces, and then the two clamping pieces move oppositely under the action of spring elasticity to fixedly clamp the optical rotation tube.

Optionally, the holder includes the mounting panel, all is provided with a plurality of splint on the side that two mounting panels are close, and is a plurality of splint are perpendicular setting, two the V-arrangement groove has been seted up on the relative face of splint on the mounting panel.

By adopting the technical scheme, the optical rotation tube is positioned between the two V-shaped grooves, so that the stability of fixing the optical rotation tube is effectively improved.

Optionally, a plurality of the splint are equally spaced apart and parallel to each other, and the splint on two mounting panels are in staggered distribution.

Through adopting above-mentioned technical scheme, when two sets of splint move in opposite directions, a set of splint can insert in the gap of another set of splint, make V type groove overlap, and then can make two sets of splint can the smaller optical rotation pipe of centre gripping diameter, the effectual range of application that improves the centre gripping subassembly.

In summary, the present application includes at least one of the following beneficial technical effects:

when a worker needs to replace the polarimeter, the polarimeter which is not detected is arranged on the clamping component which is positioned outside the sample box, then the rotating shaft rotates, so that the polarimeter which is fixed below the rotating shaft and fixed in the clamping component moves to the opening of the sample box along with the driving of the rotating shaft, at the moment, the polarimeter which is originally positioned above the rotating shaft moves to a position close to the inner bottom surface of the sample box for detection, then the worker takes out the detected polarimeter for replacement, and the convenience of replacing the polarimeter by the worker is effectively improved;

when the rotating shaft rotates, the rotating seat rotates, so that the bottom surface of the rotating seat is always parallel to the inner bottom surface of the sample box, and thus, the test solution in the optical rotation tube placed on the rotating seat is prevented from generating excessive oscillation, and the accuracy of a measuring result is ensured;

the splint on two mounting panels are the staggered distribution, and when two sets of splint move in opposite directions, a set of splint can insert in the gap of another group's splint, make V type groove overlap, and then can make two sets of splint can the littleer optical rotation pipe of centre gripping diameter, the application range of effectual improvement centre gripping subassembly.

Drawings

Fig. 1 is a view showing a structure when a cover is closed in the embodiment of the present application.

Fig. 2 is a schematic view showing the structure of the inside of the sample case when the cover is opened in the embodiment of the present application.

Fig. 3 is a schematic structural view showing an internal structure of a sample box in the embodiment of the present application.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a polarimeter body; 11. installing a sink tank; 2. a sample chamber; 3. an optical rotation tube; 4. a cover plate; 41. a protection plate; 42. an end plate; 43. hinging a shaft; 44. a shock-absorbing ring; 45. positioning a plate; 46. a magnet; 47. a handle; 5. a feeding mechanism; 51. a mounting member; 511. a first plate; 512. a second plate; 52. a rotating shaft; 53. a drive motor; 54. a support arm; 55. a rotating seat; 551. rotating the rod; 552. a connecting plate; 5521. rotating the through hole; 553. a base plate; 554. a bearing; 555. a balancing weight; 56. a clamping assembly; 561. a base; 5611. a guide groove; 562. a baffle plate; 563. a clamping member; 5631. mounting a plate; 5632. a slider; 5633. a splint; 5364. a V-shaped groove; 5635. shifting blocks; 564. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an automatic polarimeter capable of rapidly replacing an polarimeter. Referring to fig. 1 and 2, the polarimeter includes a polarimeter body 1, a sample chamber 2 disposed in the polarimeter body 1, a polarimeter tube 3 disposed in the sample chamber 2, a cover plate 4 disposed on the sample chamber 2, and a feeding mechanism 5 disposed in the sample chamber 2.

Referring to fig. 2, the sample chamber 2 is provided with an opening in a hollow cuboid, the top surface of the sample chamber 2 is provided with an opening, the top surface of the polarimeter body 1 is provided with an installation sinking groove 11 for installing the sample chamber 2, the cross-sectional area of the installation sinking groove 11 is provided in a rectangular shape, and the bottom surface of the sample chamber 2 abuts against the inner bottom surface of the installation sinking groove 11.

Referring to fig. 1 and 2, the cover plate 4 includes a protection plate 41, the protection plate 41 is an arc-shaped plate, an opening direction of the arc-shaped plate faces the sample chamber 2, end plates 42 are disposed at brightness of the protection plate 41 in a length direction, the two end plates 42 are both semicircular, arc-shaped side surfaces of the two end plates 42 are both abutted to inner side surfaces of the protection plate 41, the two end plates 42 are arranged in parallel, a hinge shaft 43 is disposed between a side edge of the protection plate 41 in the length direction and a top surface of a side plate of the sample chamber 2 in the length direction, and the protection plate 41 is hinged to the sample chamber through the hinge shaft 43; the worker can leak or shield the opening of the sample box by rotating the lid plate 4 about the hinge shaft 43.

Referring to fig. 1 and 2, the opening part of the cover plate 4 is fixedly provided with a damping ring 44, the damping ring 44 is made of rubber in the embodiment of the present application, the rubber has good elastic deformation capability, when the cover plate 4 covers the opening part of the sample box, the cover plate 4 does not directly contact with the sample box, and the damping ring 44 can play a good damping role, so as to prevent the cover plate 4 from impacting the sample box to cause the damage of the device body.

Referring to fig. 1 and 2, the lateral surface of protection shield 41 is kept away from articulated shaft 43 and is provided with locating plate 45, locating plate 45 is the rectangular shape board setting of level setting, and the side at locating plate 45 length direction place sets firmly on the lateral surface of protection shield 41, and magnet 46 has set firmly on the bottom surface of locating plate 45, the position of polarimeter top surface and locating plate 45 butt also is provided with magnet 46 when apron 4 lid is on the sample box, two magnet 46 adsorb each other when apron 4 lid is on the sample box, the effectual stability of apron 4 lid on the sample box that has increased, and for the convenience of staff's drive apron 4 motion, be provided with handle 47 on the lateral surface of protection shield 41.

Referring to fig. 2 and 3, the feeding mechanism 5 includes a mounting member 51 fixedly disposed on the inner side walls of the sample chamber 2 in the two width directions, the mounting member 51 includes a first plate 511 and a second plate 512 both formed in rectangular shapes, the side edge of the first plate 511 in the length direction is fixedly disposed on the inner side edge of the sample chamber 2 in the width direction, the first plate 511 is perpendicular to the inner side edge of the sample chamber 2 in the width direction, the first plate 511 is parallel to the inner bottom surface of the sample chamber 2, the second plate 512 is fixedly disposed on the top surface of the first plate 511 away from the inner side wall of the sample chamber 2 in the width direction, the two second plates 512 are parallel to each other and are parallel to the inner side wall of the sample chamber 2 in the width direction; a rotating shaft 52 is rotatably connected between the two second plates 512, the rotating shaft 52 is disposed in a cylindrical shape, and the axis of the rotating shaft 52 coincides with the axis of the protection plate 41. A driving motor 53 for driving the rotating shaft 52 to rotate is arranged on one of the first plates 511, an output shaft of the driving motor 53 faces the rotating shaft 52, and one end of the rotating shaft 52 close to the driving motor 53 is inserted through the second plate 512 and connected with the output shaft of the driving motor 53. The worker can start the driving motor 53, and the output shaft of the driving motor 53 rotates to drive the rotating shaft 52 to rotate.

Referring to fig. 2 and 3, the cover is equipped with two support arms 54 on the axis of rotation 52, all be rectangular shaped plate setting, two backup pads are the interval and set up and be parallel to each other, the both ends of two support arms 54 are all in the both sides of axis of rotation 52 and the distance of the both ends of two support arms 54 apart from axis of rotation 52 is unanimous, the centre of gravity position that axis of rotation 52 is in the side of support arm 54 promptly, personally submit the parallel and level setting at the length direction place of two support arms 54, the both ends setting of support arm 54 all is provided with rotates seat 55, it all is located the side that two support arms 54 are close to rotate seat 55.

Referring to fig. 2 and 3, the rotating base 55 includes a rotating rod 551 fixedly attached to the support arm 54, a coupling plate 552 rotatably coupled to an end of the rotating rod 551 remote from the support arm 54, and a base plate 553 fixedly attached to an upper side of the coupling plate 552 remote from the support arm 54; the rotating rod 551 is arranged in a cylindrical shape, the rotating rod 551 and the supporting arm 54 are arranged vertically, the connecting plate 552 is arranged in a rectangular plate parallel to the supporting arm 54, a rotating through hole 5521 is formed in the side surface of the connecting plate 552 close to the rotating rod 551, the rotating through hole 5521 is located in the side surface of the connecting plate 552 close to the width direction, a bearing 554 is arranged in the rotating through hole 5521, the rotating rod 551 is arranged in the bearing 554 in a penetrating mode, and the rotating rod 551 and the connecting plate 552 are connected in a rotating mode through the bearing 554; the bottom plate 553 is a rectangular plate parallel to the inner bottom surface of the sample box, and the side surface of the bottom plate 553 in the length direction is fixedly arranged on the side surface of the connecting plate 552 away from the rotating rod 551 and is positioned away from the rotating rod 551; the top surface of bottom plate 553 is provided with clamping component 56, and the face of bottom plate 553 keeping away from clamping component 56 sets firmly the balancing weight 555.

When the worker needs to replace the optical rotation tube 3, the cover plate 4 can be opened by lifting the lifting handle 47, then the driving motor 53 drives the rotating shaft 52 to rotate, so that the optical rotation tube 3 fixed in the clamping assembly 56 and below the rotating shaft 52 moves to the opening of the sample box along with the driving of the rotating shaft 52, at the moment, the optical rotation tube 3 originally above the rotating shaft 52 moves to a position close to the inner bottom surface of the sample box for detection, and then the worker takes out the detected optical rotation tube 3 for replacement, so that the convenience of replacing the optical rotation tube 3 by the worker is effectively improved; and when the rotation axis 52 rotates, the rotation base 55 rotates around the rotation axis 551 under the action of the weight block 555, so that the bottom plate 553 is always parallel to the inner bottom surface of the sample box, thereby ensuring that the test solution in the optical rotation tube 3 placed on the bottom plate 553 does not generate too large oscillation, and ensuring the accuracy of the measurement result.

The sliding friction force applied to the bearing 554 when rotating is small, so that the stability of the rotating seat 55 when rotating can be effectively ensured.

Referring to fig. 2 and 4, clamping component 56 is including setting firmly base 561 on bottom plate 553 top surface, base 561 is the rectangular plate setting, base 561 sets up along bottom plate 553 length direction, two baffles 562 have set firmly on base 561's the top surface, two baffles 562 all are the rectangular plate setting with base 561 vertically, two baffles 562 are the interval setting and are parallel to each other, be provided with two holders 563 between two baffles 562, two holders 563 all slide with base 561 and are connected, all be provided with spring 564 between two holders 563 and the baffle 562 that corresponds.

When the worker needs to fix the polarit tube 3, the two holding members 563 can be separated from each other, then the polarit tube 3 is placed between the two holding members 563, and then the two holding members 563 move in the opposite direction under the action of the elastic force of the spring 564 to fixedly clamp the polarit tube 3.

Referring to fig. 4, the clamp member 563 includes mounting plates 5631, and both mounting plates 5631 are provided in a rectangular plate shape parallel to the baffle 562.

Referring to fig. 4, be provided with slider 5633 on the bottom surface of mounting plate 5631, seted up corresponding guide slot 5611 on the top surface of base 561, two sliders 5632 all slide and connect in guide slot 5611, and the cross section of guide slot 5611 and slider 5632 all is the dovetail setting, and the effectual slider 5632 that prevents breaks away from in the guide slot 5611, has guaranteed the gliding stability of holder 563.

Referring to fig. 4, a plurality of clamping plates 5633 are respectively arranged on the side surfaces of the two mounting plates 5631, the clamping plates 5633 are rectangular plates which are vertically arranged with the mounting plates 5631 and the base 561, and the plurality of clamping plates 5633 are distributed at equal intervals along the length direction of the mounting plates 5631; the opposite surfaces of the clamping plates 5633 are provided with V-shaped grooves 5364, the openings of the V-shaped grooves 5364 are opposite, and the polarit tube 3 is positioned between the two V-shaped grooves 5364, so that the stability of fixing the polarit tube 3 is effectively improved; and splint 5633 on two mounting panels 5631 are the staggered distribution, and when two sets of splint 5633 when moving in opposite directions, a set of splint 5633 can insert in the gap of another set of splint 5633, makes the overlap of V type groove, and then can make two sets of splint 5633 can the centre gripping optical rotatory pipe 3 that the diameter is littleer, the effectual range of application that improves centre gripping subassembly 56.

Referring to fig. 4, for the convenience of staff's drive two clamping piece movements, all be provided with shifting block 5635 on mounting panel 5631's top surface, two shifting block 5635 all are the cuboid setting, two shifting block 5635's length direction all is unanimous with mounting panel 5631's length direction, the side at two shifting block 5635 length direction places all sets firmly on mounting panel 5631, staff's accessible is stirred two shifting blocks 5635 to opposite direction and is opened two holders 563.

The implementation principle of the automatic polarimeter capable of rapidly replacing the polarimeter in the embodiment of the application is as follows: when the staff need change the optical rotation tube 3, can open the apron 4 through carrying the handle 47 earlier, install the optical rotation tube 3 that does not detect on being located the centre gripping subassembly 56 outside the sample box, then through the starter motor, the motor drives axis of rotation 52 and rotates, make the optical rotation tube 3 of fixing in centre gripping subassembly 56 of fixing in axis of rotation 52 below move the opening part of sample box along with the drive of axis of rotation 52, at this moment, the optical rotation tube 3 that originally is located the axis of rotation 52 top moves to the interior bottom surface department that is close to the sample box and detects, then the staff takes out the optical rotation tube 3 that has detected, change, the effectual convenience that improves the staff and changes optical rotation tube 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic polarimeter capable of rapidly replacing an polarimeter is characterized in that: the polarimeter comprises a polarimeter body (1), a sample room (2) arranged in the polarimeter body (1), a polarimeter tube (3) arranged in the sample room (2), a cover plate (4) arranged on the sample room (2) and a feeding mechanism (5) arranged in the sample room (2);

feeding mechanism (5) are including rotating axis of rotation (52) of connection between two relative inside walls of sample room (2), the both ends of axis of rotation (52) all are equipped with support arm (54), two the both ends of support arm (54) all are in the both sides of axis of rotation (52), the both ends of support arm (54) all are provided with centre gripping subassembly (56) that are used for centre gripping optical rotation pipe (3).

2. The fast polarimeter of claim 1, wherein: the two ends of the supporting arms (54) are provided with rotating seats (55), the rotating seats (55) are located on the side faces, close to the two supporting arms (54), and the clamping assemblies (56) are arranged on the corresponding rotating seats (55).

3. The fast polarimeter of claim 2, wherein: the rotating seat (55) comprises a rotating rod (551) fixedly arranged on the supporting arm (54), a connecting plate (552) rotatably connected to one end, far away from the supporting arm (54), of the rotating rod (551), and a bottom plate (553) fixedly arranged on the side face, far away from the supporting arm (54), of the connecting plate (552), the rotating rod (551) and the bottom plate (553) are respectively arranged at two ends, close to the connecting plate (552), of the connecting plate (552), and the clamping assembly (56) is arranged on the bottom plate (553).

4. The fast polarimeter of claim 3, wherein: and a balancing weight (555) is fixedly arranged on the surface of the bottom plate (553) far away from the clamping component (56).

5. The fast polarimeter of claim 3, wherein: the side of the connecting plate (552) is provided with a rotating through hole (5521) close to the rotating rod (551), a bearing (554) is arranged in the rotating through hole (5521), the rotating rod (551) penetrates through the bearing (554), and the rotating rod (551) is rotatably connected with the connecting plate (552) through the bearing (554).

6. The fast polarimeter of claim 1, wherein: the clamping assembly (56) comprises a base (561) fixedly arranged on the top surface of a bottom plate (553), two baffle plates (562) are arranged on the top surface of the base (561), the two baffle plates (562) are arranged at intervals and are parallel to each other, two clamping pieces (563) are arranged between the two baffle plates (562), the two clamping pieces (563) are connected with the base (561) in a sliding mode, and springs (564) are arranged between the two clamping pieces (563) and the corresponding baffle plates (562).

7. The fast polarimeter of claim 6, wherein: holder (563) include mounting panel (5631), all are provided with a plurality of splint (5633) on the side that two mounting panels (5631) are close, and are a plurality of splint (5633) are perpendicular setting with mounting panel (5631), two V-arrangement groove (5364) have been seted up on the relative face of splint (5633) on mounting panel (5631).

8. The fast polarimeter of claim 7, wherein: the clamping plates (5633) are distributed at equal intervals and are parallel to each other, and the clamping plates (5633) on the two mounting plates (5631) are distributed in a staggered mode.