CN214201326U

CN214201326U - Chromatograph is with passing material frame

Info

Publication number: CN214201326U
Application number: CN202023127359.5U
Authority: CN
Inventors: 张凯皓; 徐委健; 李顺明
Original assignee: Wenzhou Dongtai Resin Co ltd
Current assignee: Wenzhou Dongtai Resin Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-14
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a chromatograph is with passing work or material rest, it includes the chromatograph body, blowing dish and centre gripping equipment, centre gripping equipment is located the blowing dish upper end, centre gripping equipment includes the shell frame, adjust adjustment piece and the holder of shell frame height, the one end fixed connection of adjustment piece and shell frame, it has the groove of sliding to open in the shell frame, the holder is located the inslot that slides, the holder including with shell frame fixed connection's horizontal cylinder and sliding connection in the grip block of groove of sliding, be provided with the fixed column on the grip block, still fixedly connected with servo motor on the gear, still open the standing groove in the grip block, the standing groove internal rotation is connected with gear and displacement piece, the displacement piece slides in the standing groove, and the displacement piece is provided with towards one side of gear with gear complex rack, the displacement piece is towards one side of blowing dish still fixedly connected with and wears out the limiting plate of grip block. This application has the convenience and takes the effect that detects simultaneously to a plurality of samples.

Description

Chromatograph is with passing material frame

Technical Field

The application relates to the field of chromatographs, in particular to a material conveying frame for a chromatograph.

Background

At present, the application of liquid chromatographs is more and more extensive. The liquid chromatograph consists of a liquid storage device, a pump, a sample injector, a chromatographic column, a detector, a recorder and the like. The mobile phase in the liquid storage device is pumped into the system by a pump, the sample solution enters the mobile phase through the sample injector and is loaded into the chromatographic column by the mobile phase, and because each component in the sample solution has different distribution coefficients in two phases, when the two phases move relatively, through repeated adsorption-desorption distribution processes, each component generates a large difference in moving speed, is separated into single components and flows out of the column in sequence, when the sample passes through the detector, the concentration of the sample is converted into an electric signal and is transmitted to a recorder, and data is printed in a map form.

In view of the above-mentioned related art, there are also drawbacks: when a sample is placed in a detector, the sample is generally taken one by one, and a plurality of samples cannot be taken simultaneously, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to conveniently take a plurality of samples simultaneously and detect, the application provides a chromatograph is with passing work or material rest.

The application provides a chromatograph is with passing material frame adopts following technical scheme:

a material conveying frame for a chromatograph, which comprises a chromatograph body, a material placing disc and a clamping device, wherein the clamping device is positioned at the upper end of the material placing disc, the clamping device comprises a shell frame, an adjusting piece for adjusting the height of the shell frame and a clamping piece, the adjusting piece is fixedly connected with one end of the shell frame, a sliding groove is arranged in the shell frame, the clamping piece is positioned in the sliding groove, the clamping piece comprises a horizontal cylinder fixedly connected with the shell frame and a clamping plate connected with the sliding groove in a sliding manner, the clamping plate is provided with a fixed column, the gear is also fixedly connected with a servo motor, the clamping plate is also internally provided with a placing groove, the placing groove is rotationally connected with a gear and a displacement block, the displacement block slides in the placing groove, and one side of the displacement block facing the gear is provided with a rack matched with the gear, and the displacement block is fixedly connected with a limiting plate penetrating out of the clamping plate towards one side of the material placing plate.

Through adopting above-mentioned technical scheme, the gear and the cooperation of rack are removed in order to drive the displacement piece, and the limiting plate is close to each other along with the removal of displacement piece to the sample that is located between fixed column and the limiting plate carries out the centre gripping in the convenience, if the limiting plate is along with the removal of displacement piece and keep away from each other, in order to make things convenient for unclamping the sample that is located between fixed column and the limiting plate.

Optionally, the limiting plate and the fixing column are fixedly connected with rubber sleeves.

Through adopting above-mentioned technical scheme, the sample that is located between fixed column and the horizontal portion can be by fixed column and horizontal portion centre gripping, and the rubber sleeve also can produce deformation in order to exert tight elasticity to the sample by the extrusion.

Optionally, a connecting disc is fixedly connected to an output shaft of the horizontal cylinder, and a bolt in threaded connection with the clamping plate is inserted into the connecting disc.

Through adopting above-mentioned technical scheme, the connection pad can be dismantled through bolt and grip block and be connected in order to make things convenient for the staff to dismantle horizontal cylinder and grip block and be connected.

Optionally, one side of the shell frame, which is far away from the horizontal cylinder, is communicated with the sliding groove, the clamping plate is further fixedly connected with a supporting block, the supporting block slides outside the shell frame, and an output shaft of the servo motor penetrates through the supporting block and is fixedly connected with the gear.

Through adopting above-mentioned technical scheme, because gravity, the supporting shoe can extrude the shell frame and the shell frame also can exert a reaction force to the supporting shoe, and because the existence of supporting shoe makes servo motor can not carry out direct contact with the shell frame, makes servo motor can not suffer the reaction force that comes from the shell frame in order to improve servo motor's life.

Optionally, a shielding plate for sealing a notch on one side of the sliding chute away from the horizontal cylinder is further connected to one side of the shell frame away from the horizontal cylinder in a sliding manner.

Through adopting above-mentioned technical scheme, the shielding plate seals the notch that the horizontal cylinder one side was kept away from to the sliding groove to reduce the possibility that the shielding plate deviates from in the sliding groove.

Optionally, one side of the shielding plate, which is far away from the horizontal cylinder, is provided with a plurality of anti-slip threads.

Through adopting above-mentioned technical scheme, the frictional force in order to increase with the grip block of antiskid line contact is so that remove the shielding plate and remove.

Optionally, the shielding plate is made of iron, a magnetic part is fixedly connected to the shell frame, and when the magnetic part contacts the shielding plate, the shielding plate seals one side of the sliding groove, which is far away from the horizontal cylinder.

Through adopting above-mentioned technical scheme, the shielding plate contacts with the magnetic part, and magnetism through the magnetic part is connected the shielding plate, makes the difficult emergence of shielding plate rock.

Optionally, a fillet is arranged on one side of the clamping plate facing the horizontal cylinder.

Through adopting above-mentioned technical scheme, the design of fillet has the effect that the guide grip block slided into in the sliding tray.

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

1. the sample is positioned between the fixed column and the limiting plate, and the sample can be driven to move by the extrusion of the fixed column and the limiting plate on the sample, so that a plurality of samples can be moved at one time when the samples are moved;

2. if the parts on the clamping plate are damaged, the clamping plate can be taken out from the sliding groove by a worker to replace a new clamping plate.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic sectional view of a portion of the structure in the embodiment of the present application highlighting the sliding slot.

Fig. 3 is a schematic sectional view showing a partial structure in the placement groove in the embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a partial structure of the fixing column and the limiting plate in the embodiment of the present application.

Reference numerals: 1. a chromatograph body; 2. placing a tray; 3. a clamping device; 4. a housing; 5. an adjustment member; 6. a clamping member; 7. a sliding groove; 8. a horizontal cylinder; 9. a clamping plate; 10. fixing a column; 11. a servo motor; 12. a placement groove; 13. a gear; 14. a displacement block; 15. a rack; 16. a limiting plate; 17. a rubber sleeve; 18. a connecting disc; 19. a bolt; 20. a support block; 21. a shielding plate; 22. anti-skid lines; 23. a magnetic member; 24. a transverse portion; 25. a vertical portion.

Detailed Description

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

The embodiment of the application discloses chromatograph is with passing work or material rest. Referring to fig. 1 and 2, a material transfer rack for a chromatograph includes a chromatograph body 1, a material discharge tray 2, and a holding device 3. The clamping device 3 is located the blowing dish 2 upper end, moves the sample that is located the blowing dish 2 through the clamping device 3 and detects in the chromatograph body 1. The clamping device 3 comprises a shell frame 4, an adjusting piece 5 for adjusting the height of the shell frame 4 and a clamping piece 6, one end of the adjusting piece 5 is fixedly connected with the material placing disc 2, the other end of the adjusting piece 5 is fixedly connected with the shell, a sliding groove 7 is further formed in the shell, and the clamping piece 6 is slidably connected into the sliding groove 7 and clamps a sample.

Referring to fig. 3 and 4, the clamping member 6 includes a horizontal cylinder 8 and a clamping plate 9, a cylinder body of the horizontal cylinder 8 is fixedly connected to an end portion of the shell frame 4, and an output shaft of the horizontal cylinder 8 is detachably connected to the clamping plate 9. A fixing column 10 is fixedly connected to one side of the clamping plate 9 facing the material placing disc 2, one end of the fixing column 10 is fixedly connected to the center of the material placing disc 2, and the other end of the fixing column 10 penetrates through the outer side of the shell frame 4. A placing groove 12 is further formed in the clamping plate 9, a gear 13 is rotatably connected to the center of the placing groove 12, the gear 13 rotates along the center point of the gear, and a servo motor 11 which drives the gear 13 to rotate is fixedly connected to one side, far away from the material placing disc 2, of the gear 13.

Referring to fig. 2 and 3, displacement blocks 14 are further slidably connected to both sides of the placement groove 12, and racks 15 that engage with the gears 13 are further provided on one side surfaces of the two displacement blocks 14 facing the gears 13. The two displacement blocks 14 are fixedly connected with limiting plates 16 towards one side of the material placing tray 2, and one side, far away from the placing groove 12, of each limiting plate 16 is flush with the free end of each fixing column 10. The stopper plate 16 includes a horizontal portion 24 and a vertical portion 25 formed integrally with the horizontal portion 24, the horizontal portion 24 is perpendicular to the vertical portion 25, and the displacement block 14 is fixedly connected to the vertical portion 25. The two displacement blocks 14 are driven to approach or move away from each other by the rotation of the gear 13, and the two transverse parts 24 are reduced or increased in distance from the fixed column 10 along with the movement of the two displacement blocks 14. Still fixed cover is equipped with rubber sleeve 17 on limiting plate 16 and fixed column 10, when gear 13 rotates in order to drive two limiting plate 16 and be close to each other, the sample that is located between fixed column 10 and the horizontal portion 24 can be by fixed column 10 and horizontal portion 24 centre gripping, and rubber sleeve 17 can produce deformation by the extrusion and exert tight elasticity to the sample to play the further fixed to the sample, in order to make things convenient for and drive the sample through horizontal portion 24 and fixed column 10 and remove.

Referring to fig. 3, a connection plate 18 is fixedly connected to an output shaft of the horizontal cylinder 8, one side of the connection plate 18 facing the clamping plate 9 is a smooth surface, a bolt 19 is inserted into the connection plate 18, the bolt 19 passes through the connection plate 18 and is screwed into the clamping plate 9 to realize the relative fixed connection between the horizontal cylinder 8 and the clamping plate 9, and when the bolt 19 is rotated out of the clamping plate 9, the clamping plate 9 and the connection plate 18 can be separated.

Referring to fig. 1 and 4, when the side of the shell frame 4 far away from the horizontal cylinder 8 is communicated with the sliding slot 7, if the components on the clamping plate 9 are damaged, a worker can move the clamping plate 9 out of the sliding slot 7 to place the intact clamping plate 9 in the sliding slot 7 in an oriented manner. And a supporting block 20 is fixedly connected to one side of the clamping plate 9 far away from the material placing disc 2, and the supporting block 20 is positioned at the outer side of the sliding groove 7. An output shaft of the servo motor 11 passes through the supporting block 20 and is fixedly connected with the gear 13. When a worker puts the intact clamping plate 9 into the sliding slot 7, the clamping plate 9 is guided to slide into the sliding slot 7 through the design of the round angle because the side of the clamping plate 9 facing the horizontal cylinder 8 is provided with the round angle. When the clamping plate 9 is located in the sliding slot 7, the supporting block 20 is in contact with the shell frame 4, because of gravity, the supporting block 20 will press the shell frame 4 and the shell frame 4 will also apply a reaction force to the supporting block 20, so that the servo motor 11 will not be in contact with the shell frame 4 through the supporting block 20, and the servo motor 11 will not be subjected to the reaction force from the shell frame 4.

Referring to fig. 2 and 4, a shielding plate 21 made of iron is further connected to the side of the shell frame 4 away from the horizontal cylinder 8 in a sliding manner, and a plurality of anti-slip threads 22 are arranged on the side of the shielding plate 21 away from the horizontal cylinder 8. After the intact clamping plate 9 is positioned in the sliding groove 7, a worker can contact the anti-slip threads 22 to increase the friction force with the clamping plate 9 so as to move the shielding plate 21, so that the shielding plate 21 seals the notch of the sliding groove 7 at the side far away from the horizontal cylinder 8, and the possibility that the shielding plate 21 is pulled out of the sliding groove 7 is reduced. The magnetic piece 23 is fixedly connected to the shell frame 4, the magnetic piece 23 is a magnet, after the shielding plate 21 seals the opening of the sliding groove 7, the shielding plate 21 is in contact with the magnetic piece 23, and the shielding plate 21 is not easy to shake due to the magnetic connection of the magnetic piece 23 to the shielding plate 21.

The embodiment of the application discloses chromatograph is with passing implementation principle of work or material rest does: the servo motor 11 rotates to drive the two limiting plates 16 to move, the length between the limiting plates 16 and the fixed column 10 is changed, and a sample positioned between the limiting plates 16 and the fixed column 10 is clamped and transported; if the parts in the clamping member 6 are damaged, the clamping member 6 can be taken out of the sliding groove 7 by workers for replacement.

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. The utility model provides a chromatograph is with passing material frame, includes chromatograph body (1), blowing dish (2) and clamping equipment (3), clamping equipment (3) are located blowing dish (2) upper end, clamping equipment (3) include shell frame (4), adjust regulating part (5) and holder (6) of shell frame (4) height, the one end fixed connection of regulating part (5) and shell frame (4), it has sliding groove (7) to open in shell frame (4), holder (6) are located sliding groove (7), its characterized in that: holder (6) including with shell frame (4) fixed connection's horizontal cylinder (8) and sliding connection in grip block (9) of sliding groove (7), be provided with fixed column (10) on grip block (9), standing groove (12) have still been opened in grip block (9), standing groove (12) internal rotation is connected with gear (13) and displacement piece (14), still fixedly connected with servo motor (11) on gear (13), displacement piece (14) slide in standing groove (12), just displacement piece (14) are provided with towards one side of gear (13) with gear (13) complex rack (15), displacement piece (14) are towards one side of charging tray (2) still fixedly connected with and wear out limiting plate (16) of grip block (9).

2. The material conveying frame for the chromatograph according to claim 1, characterized in that: and the limiting plate (16) and the fixing column (10) are fixedly connected with rubber sleeves (17).

3. The material conveying frame for the chromatograph according to claim 1, characterized in that: and a connecting disc (18) is fixedly connected to an output shaft of the horizontal cylinder (8), and a bolt (19) in threaded connection with the clamping plate (9) is inserted into the connecting disc (18).

4. The material conveying frame for the chromatograph according to claim 1, characterized in that: one side, far away from the horizontal cylinder (8), of the shell frame (4) is communicated with the sliding groove (7), a supporting block (20) is fixedly connected to the clamping plate (9), the supporting block (20) slides on the outer side of the shell frame (4), and an output shaft of the servo motor (11) penetrates through the supporting block (20) and is fixedly connected with the gear (13).

5. The material conveying frame for the chromatograph according to claim 4, wherein: and a shielding plate (21) which seals a notch on one side of the sliding groove (7) far away from the horizontal cylinder (8) is also connected to one side of the shell frame (4) far away from the horizontal cylinder (8) in a sliding manner.

6. The material conveying frame for the chromatograph according to claim 5, wherein: and a plurality of anti-skid grains (22) are arranged on one side of the shielding plate (21) far away from the horizontal cylinder (8).

7. The material conveying frame for the chromatograph according to claim 6, wherein: the shielding plate (21) is made of iron, the shell frame (4) is fixedly connected with a magnetic piece (23), and when the magnetic piece (23) is in contact with the shielding plate (21), the shielding plate (21) seals one side of the sliding groove (7) far away from the horizontal cylinder (8).

8. The material conveying frame for the chromatograph according to claim 1, characterized in that: and a fillet is arranged on one side of the clamping plate (9) facing the horizontal cylinder (8).