CN218995407U

CN218995407U - Sample adding device of tobacco detection chemical analyzer

Info

Publication number: CN218995407U
Application number: CN202223368323.5U
Authority: CN
Inventors: 王鹤达; 李小斌; 何媛; 朱浩; 田云恒; 张珊珊; 董一雷; 张希; 刘拓; 刘帅东; 华睿; 张艳辉
Original assignee: China Tobacco Shaanxi Industrial Co Ltd
Current assignee: China Tobacco Shaanxi Industrial Co Ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-09
Anticipated expiration: 2032-12-15

Abstract

The sample adding device comprises a frame body, wherein a truss is arranged in the frame body, two ends of the truss are in sliding connection with two side walls in the frame body, and a truss driving device for driving the truss to move up and down is arranged in the truss; a motor is fixed on the right side inside the truss, a first screw rod is fixed at the left end of an output shaft of the motor, a screw block is connected with the outer surface of the first screw rod in a threaded manner, and a travelling crane is fixed at the bottom of the screw block; the lower part of the travelling crane is provided with two clamping frames which are bilaterally symmetrical and are used for clamping the sample tubes, the sample tubes are arranged between the lower parts of the two clamping frames, and a clamping frame driving device used for driving the two clamping frames to reversely move so as to clamp the sample tubes is arranged in the travelling crane; the center of the lower part of the travelling crane is provided with a sample liquid pushing and sucking device. The utility model can liberate hands of personnel, does not need to manually sample and apply samples, improves the automation level, and increases the accuracy and the efficiency.

Description

Sample adding device of tobacco detection chemical analyzer

Technical Field

The utility model belongs to the technical field of tobacco detection, and particularly relates to a sample adding device of a tobacco detection chemical analyzer.

Background

In the process of detecting the physical and chemical indexes of the tobacco, the reagent needs to be sampled, the reaction between the reagent and the reagent can be changed along with the different amounts, and a sample adding device is needed at the moment, so that the purpose of adding the reagent is realized. Most of the existing chemical analyzers are used for manually adding and discharging samples when detecting and analyzing physical and chemical indexes of tobacco, namely, the samples are firstly sucked by manually operating a sampling tube and then discharged and added, and the operation is manually completed. The manual operation is complicated, the workload is increased, and the current automation requirement cannot be met. There is therefore a need for improvements.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a sample adding device of a tobacco detection chemical analyzer, which solves the problems existing in the prior tobacco detection chemical analyzer during sampling, can liberate hands of a person, does not need to manually sample and add samples, improves the automation level, and increases the accuracy and the efficiency; the manual replacement of the sample tube is not needed, and the device is more convenient and quick.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the sample adding device of the tobacco detection chemical analyzer comprises a frame body, wherein a truss is arranged in the frame body, two ends of the truss are in sliding connection with two side walls in the frame body, and a truss driving device for driving the truss to move up and down is arranged in the truss; a motor is fixed on the right side inside the truss, a first screw rod is fixed at the left end of an output shaft of the motor, a screw block is connected with the outer surface of the first screw rod in a threaded manner, and a travelling crane is fixed at the bottom of the screw block; the lower part of the travelling crane is provided with two clamping frames which are bilaterally symmetrical and are used for clamping the sample tubes, the sample tubes are arranged between the lower parts of the two clamping frames, and a clamping frame driving device used for driving the two clamping frames to reversely move so as to clamp the sample tubes is arranged in the travelling crane; the center of the lower part of the travelling crane is provided with a sample liquid pushing and sucking device which is connected with the inside of the sample pipe and used for pushing out the sample liquid in the sample pipe or sucking the sample liquid in the sample pipe.

In a preferred mode of the above aspect, the truss driving device is configured as follows: the electric hoist is characterized in that a first sliding groove is formed in the left side and the right side of the inside of the frame body, a first sliding block is connected inside the first sliding groove in a sliding mode, a truss is fixed between the first sliding blocks, an electric hoist is fixed on the upper surface of the inside of the frame body, and the bottom end of a rope of the electric hoist is fixedly connected with the upper surface of the truss.

In a preferred mode of the above scheme, the structure of the clamping frame driving device is as follows: the double-shaft motor is fixed inside the crane, the left end and the right end of an output shaft of the double-shaft motor are both fixed with a screw rod II, through grooves are symmetrically formed in the lower surface of the crane, the two through grooves are all communicated with the inside of the crane, and the outer surface of the screw rod is in threaded connection with the upper end of the clamping frame.

In a preferred mode of the above scheme, the structure of the sample liquid pushing and sucking device is as follows: the driving lower surface center department is fixed with the cylinder, two the inside groove has all been seted up to clamp holder opposite side, spout two has all been seted up to inside front and back surface of inside groove, two spout two are inside all to be connected with slider two, two be located inside groove between the slider two is fixed with the inserted bar, the cylinder bottom is fixed with even piece, even piece surface cover is equipped with the push-and-pull seat, even piece left and right sides has all been seted up the slot, two the inserted bar opposite end runs through push-and-pull seat to inside two slots respectively, push-and-pull seat lower surface center department is fixed with the push-and-pull rod, the push-and-pull rod lower extreme runs through to inside the sampling tube and is fixed with the piston.

In the preferable mode of the scheme, a rubber layer is fixed on the inner wall of the inner groove, and the rubber layer is attached to the outer surface of the inserted rod.

In a preferred mode of the above scheme, the outer surface of the piston is attached to the inner wall of the sample tube.

In a preferred mode of the scheme, the clamping frame is of an L-shaped structure.

In the preferable mode of the scheme, two limiting rings are fixed on the outer surface of the sample tube, and opposite sides of the two limiting rings are respectively attached to the inner side wall and the outer side wall of the two clamping frames; the bottom end of the sample tube is provided with a liquid outlet.

In the preferable mode of the scheme, the outer surface of the travelling crane is attached to the inner side wall of the truss.

In the preferable mode of the scheme, the frame body is of an inverted U-shaped structure.

Compared with the prior art, the utility model has the advantages that:

1. in the using process of the scheme, the screw rod I is rotated by controlling the motor to operate, the screw block and the travelling crane are moved left and right, the sample tube and the internal liquid are moved to the upper part of the analyzer, at the moment, the electric hoist is controlled to lengthen the rope, the truss, the travelling crane and the sample tube are lowered, the liquid outlet at the bottom end of the sample tube enters the analyzer, at the moment, the cylinder is controlled to operate to push the push-pull seat to descend, the piston is pushed by the push-pull rod, and the liquid is extruded to discharge the sample tube into the analyzer, so that the sample adding operation is completed; the piston is driven to move upwards by the air cylinder, the sampling operation can be performed by utilizing negative pressure, and a liberation person does not need to manually perform the sampling and sample adding operation by hands, so that the automation level is improved, and the accuracy and the efficiency are increased;

2. in this scheme use, when needing to change the appearance pipe, control biax motor rotates, and two screw rods are two to be rotated, and two clamping frames slide in logical inslot under threaded connection, break away from the slot through slider two and two pulling inserted bars of spout to keep away from the push-and-pull seat, remove the connection of linking piece and push-and-pull seat, two spacing rings are kept away from to the clamping frame bottom simultaneously, remove the bearing to the appearance pipe, and the appearance pipe drops naturally, need not personnel's manual change appearance pipe, convenient and fast more.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an enlarged schematic view of the portion a in fig. 1 according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-2, embodiments of the present utility model are described in detail.

Referring to a sample adding device of a tobacco detection chemical analyzer, shown in fig. 1, the sample adding device comprises a frame body 1, wherein a truss 5 is arranged in the frame body 1, two ends of the truss 5 are in sliding connection with two side walls in the frame body 1, and a truss driving device for driving the truss 5 to move up and down is arranged in the truss 5.

In this embodiment, the frame body 1 has an inverted U-shaped structure, so that the inner side can supply the electric hoist 4 to wind or lengthen the rope to enable the truss 5 to descend or ascend.

In this embodiment, the truss driving device has a structure that: the left side and the right side of the inside of the frame body 1 are respectively provided with a first sliding chute 2, a first sliding block 3 is connected inside the first sliding chute 2 in a sliding manner, a truss 5 is fixed between the first sliding blocks 3, an electric hoist 4 is fixed on the upper surface inside the frame body 1, and the bottom end of a rope of the electric hoist 4 is fixedly connected with the upper surface of the truss 5.

The right side inside truss 5 is fixed with motor 6, motor 6 output shaft left end is fixed with screw rod one 7, screw rod one 7 surface threaded connection has screw block 8, screw block 8 bottom is fixed with driving 9.

In this embodiment, the surface of driving 9 is laminated mutually with truss 5 inside wall for under laminating spacing when screw rod 7 rotates, driving 9 can utilize the threaded connection between screw rod 7 and the spiral shell piece 8 to slide about.

Two clamping frames 13 which are bilaterally symmetrical and are used for clamping the sample tubes 23 are arranged at the lower part of the travelling crane 9, the sample tubes 23 are arranged between the lower parts of the two clamping frames 13, and a clamping frame driving device used for driving the two clamping frames 13 to reversely move so as to clamp the sample tubes 23 is arranged inside the travelling crane 9.

In this embodiment, the structure of the clamping frame driving device is as follows: the inside biax motor 10 that is fixed with of driving 9, the end is all fixed with screw rod two 11 about biax motor 10 output shaft, driving 9 lower surface symmetry has seted up logical groove 12, two logical groove 12 all is linked together with driving 9 inside, screw rod two 11 surface threaded connection clamp 13 upper ends.

The center of the lower part of the travelling crane 9 is provided with a sample liquid pushing and sucking device which is connected with the inside of the sample pipe 23 and is used for pushing out the sample liquid in the sample pipe 23 or sucking the sample liquid in the sample pipe 23.

In this embodiment, the structure of the sample liquid pushing and sucking device is as follows: the center of the lower surface of the traveling crane 9 is fixedly provided with an air cylinder 14, two opposite sides of the clamping frame 13 are respectively provided with an inner groove 15, the front surface and the rear surface of the inner groove 15 are respectively provided with a second sliding groove 16, the interiors of the second sliding grooves 16 are respectively connected with a second sliding block 17, an inserting rod 18 is fixed between the second sliding blocks 17 and positioned in the inner groove 15, the bottom end of the air cylinder 14 is fixedly provided with a connecting block 19, the outer surface of the connecting block 19 is sleeved with a push-pull seat 20, the left side and the right side of the connecting block 19 are respectively provided with a slot 21, the opposite ends of the inserting rods 18 respectively penetrate through the push-pull seat 20 to the interiors of the two slots 21, the center of the lower surface of the push-pull seat 20 is fixedly provided with a push-pull rod 22, and the lower end of the push-pull rod 22 penetrates through the interior of the inner groove 23 and is fixedly provided with a piston 25.

Preferably, a rubber layer is fixed on the inner wall of the inner groove 15, and the rubber layer is attached to the outer surface of the insert rod 18, so that the friction force of the insert rod 18 sliding up and down is increased, and the insert rod 18 does not slide down due to self gravity after being far away from the push-pull seat 20, so that the position is better maintained.

Preferably, the outer surface of the piston 25 is attached to the inner wall of the sampling tube 23, so that the tightness is ensured, the liquid can be sucked into the sampling tube 23 by utilizing negative pressure after the piston 25 is lifted, and the air or the liquid can be discharged out of the sampling tube 23 by the lowering of the piston 25.

In this embodiment, the clamping frame 13 has an L-shaped structure, so that the sampling tube 23 and the limiting ring 24 can be clamped and supported.

In this embodiment, two limiting rings 24 are fixed on the outer surface of the sample tube 23, opposite sides of the two limiting rings 24 are respectively attached to the inner side wall and the outer side wall of the clamping frame 13, and the clamping frame 13 can limit the sample tube 23 through the two limiting rings 24, so that the push-pull piston 25 can normally operate when absorbing and discharging liquid.

In this embodiment, a liquid outlet is provided at the bottom end of the sample tube 23, and the sample sucking and discharging operations are performed by the sample tube 23.

The working flow of the utility model is as follows: when the device is used, the first screw rod 7 can be rotated by controlling the motor 6 to operate, the screw block 8 and the travelling crane 9 can be moved left and right, the sample tube 23 and internal liquid can be moved to the upper part of the analyzer, at the moment, the electric hoist 4 is controlled to lengthen a rope, the truss 5, the travelling crane 9 and the sample tube 23 are lowered, the liquid outlet at the bottom end of the sample tube 23 enters the analyzer, at the moment, the cylinder 14 is controlled to operate to push the push-pull seat 20 to be lowered, the piston 25 is pushed by the push-pull rod 22, the liquid is extruded and discharged from the sample tube 23 to enter the analyzer, and the sample adding operation is completed; and the piston 25 is driven to move upwards by the cylinder 14, so that the sampling operation can be performed by utilizing the negative pressure. When the sample tube 23 needs to be replaced, the double-shaft motor 10 is controlled to rotate, the two screw rods II 11 rotate, the two clamping frames 13 slide in the through groove 12 under the action of threaded connection, the inserting rod 18 is pulled by the sliding block II 17 and the sliding groove II 16 to be separated from the inserting groove 21 and far away from the push-pull seat 20, the connection between the connecting block 19 and the push-pull seat 20 is released, meanwhile, the bottom end of the clamping frame 13 is far away from the two limiting rings 24, the support on the sample tube 23 is released, and the sample tube 23 naturally falls.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A tobacco detects chemical analyzer's application of sample device, its characterized in that: the novel lifting frame comprises a frame body (1), wherein a truss (5) is arranged in the frame body (1), two ends of the truss (5) are in sliding connection with two side walls in the frame body (1), and a truss driving device for driving the truss (5) to move up and down is arranged in the truss (5); a motor (6) is fixed on the right side inside the truss (5), a first screw rod (7) is fixed at the left end of an output shaft of the motor (6), a screw block (8) is connected with the outer surface of the first screw rod (7) in a threaded manner, and a travelling crane (9) is fixed at the bottom of the screw block (8); two clamping frames (13) which are bilaterally symmetrical and are used for clamping the sample tubes (23) are arranged at the lower part of the travelling crane (9), the sample tubes (23) are arranged between the lower parts of the two clamping frames (13), and a clamping frame driving device used for driving the two clamping frames (13) to reversely move so as to clamp the sample tubes (23) is arranged in the travelling crane (9); the center of the lower part of the travelling crane (9) is provided with a sample liquid pushing and sucking device which is connected with the inside of the sample pipe (23) and is used for pushing out the sample liquid in the sample pipe (23) or sucking the sample liquid in the sample pipe (23).

2. The sample application device for a tobacco testing chemical analyzer of claim 1, wherein: the truss driving device has the structure that: the electric hoist is characterized in that a first sliding chute (2) is formed in the left side and the right side of the inside of the frame body (1), a first sliding block (3) is connected inside the first sliding chute (2) in a sliding manner, a truss (5) is fixed between the first sliding blocks (3), an electric hoist (4) is fixed on the upper surface of the inside of the frame body (1), and the bottom end of a rope of the electric hoist (4) is fixedly connected with the upper surface of the truss (5).

3. The sample application device for a tobacco testing chemical analyzer of claim 1, wherein: the clamping frame driving device has the structure that: the novel double-shaft motor is characterized in that a double-shaft motor (10) is fixed inside the travelling crane (9), a second screw rod (11) is fixed at the left end and the right end of an output shaft of the double-shaft motor (10), through grooves (12) are symmetrically formed in the lower surface of the travelling crane (9), the two through grooves (12) are communicated with the inside of the travelling crane (9), and the outer surface of the second screw rod (11) is in threaded connection with the upper end of a clamping frame (13).

4. The sample application device for a tobacco testing chemical analyzer of claim 1, wherein: the structure of the sample liquid pushing and sucking device is as follows: the utility model discloses a crane, including driving (9), clamping frame (13), push-pull seat (20), slot (21) have all been seted up to driving (9) lower surface center department, two inside slot (15) have all been seted up to clamping frame (13) opposite side, inside front and back surface of slot (15) has all been seted up spout two (16), two spout two (16) are inside all to be connected with slider two (17), two be located inside interior slot (15) between slider two (17) are fixed with inserted bar (18), cylinder (14) bottom is fixed with link block (19), link block (19) surface cover is equipped with push-pull seat (20), slot (21) have all been seted up to link block (19) left and right sides, two push-pull seat (20) are inside to two slot (21) are run through respectively to insert bar (18) opposite ends, push-pull seat (20) lower surface center department is fixed with push-pull rod (22), push-pull rod (22) lower extreme runs through to (23) inside and is fixed with piston (25).

5. The sample application device for a tobacco testing chemical analyzer of claim 4, wherein: a rubber layer is fixed on the inner wall of the inner groove (15), and the rubber layer is attached to the outer surface of the inserted rod (18).

6. The sample application device for a tobacco testing chemical analyzer of claim 4, wherein: the outer surface of the piston (25) is attached to the inner wall of the sampling tube (23).

7. The sample application device for a tobacco testing chemical analyzer of claim 1, wherein: the clamping frame (13) is of an L-shaped structure.

8. The sample application device for a tobacco testing chemical analyzer of claim 7, wherein: two limiting rings (24) are fixed on the outer surface of the sampling tube (23), and opposite sides of the two limiting rings (24) are respectively attached to the inner side walls and the outer side walls of the two clamping frames (13); a liquid outlet is arranged at the bottom end of the sampling tube (23).

9. The sample application device for a tobacco testing chemical analyzer of claim 1, wherein: the outer surface of the travelling crane (9) is attached to the inner side wall of the truss (5).

10. The sample application device for a tobacco testing chemical analyzer of claim 1, wherein: the frame body (1) is of an inverted U-shaped structure.