CN214731800U

CN214731800U - Sample introduction device for preparing chromatograph

Info

Publication number: CN214731800U
Application number: CN202120772602.4U
Authority: CN
Inventors: 王红梅; 冯俊雄
Original assignee: Tianjin Devote Biological Electronic Technology Co ltd
Current assignee: Tianjin Devote Biological Electronic Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-16
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a preparation sampling device for chromatograph, including frame body and advance a kind conveyer belt, advance a kind conveyer belt and erect the top at the frame body, advance the upper surface bilateral symmetry fixedly connected with riser of kind conveyer belt, two the top fixedly connected with roof of riser, the last surface mounting of roof has first cylinder, the piston rod bottom of first cylinder runs through roof and fixed mounting has the motor. The utility model discloses in, not only can reject the accessory of damage through vision sensor, first cylinder, motor, vacuum chuck and second cylinder, can carry out the position adjustment to intact accessory moreover to greatly increased the qualification rate of product, greatly increased packaging efficiency, rotate the carousel and can drive two connecting rods and rotate, thereby can directly drive four ejector pins and remove, thereby be convenient for carry out altitude mixture control to the frame body, greatly increased the practicality of device.

Description

Sample introduction device for preparing chromatograph

Technical Field

The utility model relates to a chromatographic instrument produces technical field, especially relates to a preparation sampling device for chromatograph.

Background

A chromatograph is an apparatus for performing chromatographic separation analysis. Comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like. Modern chromatographs have the characteristics of high stability, sensitivity, versatility, high degree of automation and the like. There are gas chromatography, liquid chromatography, gel chromatography, and the like. Multiple parts need to be assembled during the preparation of the chromatographic instrument;

now relate to a preparation sampling device for chromatograph, the most manual work of current chromatogram instrument preparation carries out the selection and the equipment of accessory, not only work efficiency is low, and can produce the error, cause the equipment failure, thereby increase manufacturing cost, also have through autoloading, but can not examine the accessory and position is adjusted in advance, only be suitable for the product of simple shape, can't carry out follow-up automated production, and current autoinjection device need adjust respectively every support when height-adjusting, complex operation not only, and operating personnel's work burden has greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sample introduction device for preparing a chromatograph.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sample introduction device for a chromatograph comprises a frame body and a sample introduction conveyor belt, wherein the sample introduction conveyor belt is erected at the top of the frame body, the two sides of the upper surface of the sample introduction conveyor belt are symmetrically and fixedly connected with a vertical plate, the top ends of the two vertical plates are fixedly connected with a top plate, the upper surface of the top plate is provided with a first air cylinder, the bottom end of a piston rod of the first air cylinder penetrates through the top plate and is fixedly provided with a motor, an output shaft of the motor is fixedly connected with a mounting plate, the lower surface of the mounting plate is provided with a vacuum chuck, one side of the outer surfaces of the two vertical plates, which is close to each other, is symmetrically and obliquely provided with a vision sensor, one side of the outer surfaces of the vertical plates, which is close to the bottom, is provided with a second air cylinder, the frame body comprises four supporting rods and four ejector rods, the ejector rods are in sliding connection with the inner parts of the top ends of the supporting rods, and the top ends of the ejector rods are fixedly connected with the lower surface of the sample introduction conveyor belt, and four ejector pins are the rectangle setting, adjacent two fixedly connected with backup pad between the top of bracing piece, the rotation is erect to the both ends upper surface bilateral symmetry of backup pad and is connected with the threaded rod, two the first bevel gear of the equal fixed connection of one end that the threaded rod is close to mutually, two the surface cover of threaded rod is equipped with the slider of connecting through the screw rotation, two the top of slider is all rotated and is connected with the connecting rod, adjacent two fixedly connected with horizontal pole, two between the ejector pin the other end of connecting rod all is connected with the lower surface rotation of horizontal pole, the rotation is erect to the position that the upper surface of backup pad just is located between two threaded rods and is connected with the dwang.

Furthermore, the upper surface bilateral symmetry fixed mounting who advances kind the conveyer belt has the striker plate, the one end of striker plate is connected with the riser.

Furthermore, the discharge gate has been seted up to the surface of riser and the relative one side of second cylinder, the surface of riser just is close to the position fixedly connected with stock guide plate of discharge gate bottom, just the piston rod one end fixedly connected with push pedal of second cylinder.

Furthermore, the connecting plate is installed to one side of the one end upper surface that advances kind conveyer belt and is close to the riser, the surface mounting of connecting plate has test probe.

Furthermore, fixedly connected with second bevel gear is established to the surface of dwang and the position cover that is close to first bevel gear, just second bevel gear meshes with two adjacent first bevel gears mutually, just the one end fixed connection carousel of dwang.

Furthermore, a reinforcing rod is fixedly connected between the two support rods which are relatively far away.

The utility model has the advantages that:

when the utility model is used, the visual sensor of the sample feeding device for the chromatograph can scan the appearance of the accessory and sense the position of the accessory, when finding that the accessories are damaged, the second cylinder can drive the push plate to push the damaged accessories out of the discharge hole, thereby avoiding the damaged fittings from entering the next installation step, greatly increasing the qualification rate of products, when the position of the accessory is not right, the first cylinder drives the vacuum chuck to suck the accessory, the motor rotates to drive the chuck to rotate, thereby adjusting the position of the accessory, facilitating the subsequent direct assembly, greatly increasing the assembly efficiency, driving the two connecting rods to rotate by rotating the turntable, thereby can directly drive four ejector pins and remove to be convenient for carry out altitude mixture control to the frame body, greatly increased the practicality of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is an enlarged view of the present invention at a in fig. 1;

fig. 4 is a side view of the frame body of the present invention.

Illustration of the drawings:

1. a frame body; 2. a sample feeding conveyor belt; 3. a vertical plate; 4. a top plate; 5. a first cylinder; 6. a motor; 7. mounting a plate; 8. a vacuum chuck; 9. a vision sensor; 10. a second cylinder; 11. a support bar; 12. a top rod; 13. a support plate; 14. a threaded rod; 15. a first bevel gear; 16. a slider; 17. a connecting rod; 18. a cross bar; 19. rotating the rod; 20. a second bevel gear; 21. a striker plate; 22. a discharge port; 23. a chute plate; 24. pushing the plate; 25. a connecting plate; 26. detecting a probe; 27. a turntable; 28. a reinforcing rod.

Detailed Description

As shown in figures 1 to 4, relating to a sample introduction device for preparing a chromatograph, comprising a frame body 1 and a sample introduction conveyor belt 2, wherein the sample introduction conveyor belt 2 is erected at the top of the frame body 1, two sides of the upper surface of the sample introduction conveyor belt 2 are symmetrically and fixedly connected with vertical plates 3, the top ends of the two vertical plates 3 are fixedly connected with a top plate 4, the upper surface of the top plate 4 is provided with a first air cylinder 5, the bottom end of a piston rod of the first air cylinder 5 penetrates through the top plate 4 and is fixedly provided with a motor 6, an output shaft of the motor 6 is fixedly connected with a mounting plate 7, the lower surface of the mounting plate 7 is provided with a vacuum chuck 8, one side of the two vertical plates 3, which is close to the outer surface, is symmetrically and obliquely provided with a visual sensor 9, one side of the outer surface of the vertical plate 3 and a position close to the bottom are provided with a second air cylinder 10, the frame body 1 comprises four support rods 11 and four ejector rods 12, the ejector rods 12 are connected with the top ends of the support rods 11 in a sliding manner, the top of ejector pin 12 and the lower fixed surface who advances kind conveyer belt 2 are connected, and four ejector pins 12 are the rectangle setting, fixedly connected with backup pad 13 between the top of two adjacent bracing pieces 11, the both ends upper surface bilateral symmetry of backup pad 13 erects to rotate and is connected with threaded rod 14, the equal first bevel gear of fixed connection of one end 15 that two threaded rods 14 are close to mutually, the surface cover of two threaded rods 14 is equipped with slider 16 of connecting through the screw rotation, the top of two slider 16 all rotates and is connected with connecting rod 17, fixedly connected with horizontal pole 18 between two adjacent ejector pins 12, the other end of two connecting rod 17 all rotates with the lower surface of horizontal pole 18 to be connected, the upper surface of backup pad 13 just is located the position of two threaded rods 14 and erects to rotate and is connected with dwang 19.

When the sample feeding device for preparing the chromatograph is used, the sample feeding conveyor belt 2 drives the accessory to automatically move, when the accessory passes through the two vision sensors 9, the vision sensors 9 can scan the appearance of the accessory and sense the position of the accessory, when the accessory is found to be damaged, the second air cylinder 10 can drive the push plate 24 to push the damaged accessory out of the discharge port 22, so that the damaged accessory is prevented from entering the next mounting step, the qualification rate of products is greatly increased, when the surface of the accessory is not damaged and the position of the accessory is not right, the first air cylinder 5 can drive the vacuum chuck 8 to move, so that the accessory is sucked up, the motor 6 is started, the chuck and the accessory are driven to rotate, the position of the accessory is adjusted, the accessory is directly in the position state during later assembly, and the assembly efficiency is greatly increased, when the height of device is adjusted to needs, rotate carousel 27, carousel 27 rotates and to drive dwang 19 and two second bevel gear 20 rotations, thereby drive relative threaded rod 14 respectively through first bevel gear 15 and rotate, thereby drive slider 16 and remove, thereby drive two connecting rods 17 and rotate, thereby can directly drive four ejector pins 12 and remove, thereby need not adjust four bracing pieces 11 and ejector pin 12 of frame body 1 respectively, made things convenient for operating personnel greatly, have certain practicality.

In a further scheme, the upper surface bilateral symmetry fixed mounting of advance kind conveyer belt 2 has striker plate 21, striker plate 21's one end is connected with riser 3, and striker plate 21 is the condition that drops appears when the accessory of avoiding advance kind conveyer belt 2 removes.

In a further scheme, discharge gate 22 has been seted up with the opposite one side of second cylinder 10 to the surface of riser 3, the position fixedly connected with chute board 23 of riser 3's surface and near discharge gate 22 bottom, just the piston rod one end fixedly connected with push pedal 24 of second cylinder 10, discharge gate 22 are for the accessory of convenience for damaging is released, and chute board 23 is for the accessory is collected, and push pedal 24 is for the accessory of convenience for promoting.

In the further scheme, advance kind conveyer belt 2 and install connecting plate 25 near one end upper surface one side of riser 3, the outer surface mounting of connecting plate 25 has test probe 26, can know the accessory after the adjustment through test probe 26 and have or not been used to can control the start-up time of advancing kind conveyer belt 2.

In a further scheme, fixedly connected with second bevel gear 20 is established to the surface of dwang 19 and the position cover that is close to first bevel gear 15, just second bevel gear 20 meshes with two adjacent first bevel gears 15 mutually, just one end fixed connection carousel 27 of dwang 19, carousel 27 rotate and to drive dwang 19 and two second bevel gear 20 and rotate to drive relative threaded rod 14 respectively through first bevel gear 15 and rotate, thereby drive slider 16 and remove, thereby drive two connecting rods 17 and rotate.

In a further scheme, a reinforcing rod 28 is fixedly connected between two relatively far supporting rods 11, and the reinforcing rod 28 is used for increasing the strength of the rack body 1.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a preparation sampling device for chromatograph, includes frame body (1) and advances a kind conveyer belt (2), its characterized in that: the top at frame body (1) is erect to advance kind conveyer belt (2), the upper surface bilateral symmetry fixedly connected with riser (3) of advance kind conveyer belt (2), two top fixedly connected with roof (4) of riser (3), the last surface mounting of roof (4) has first cylinder (5), the piston rod bottom of first cylinder (5) runs through roof (4) and fixed mounting has motor (6), the output shaft fixedly connected with mounting panel (7) of motor (6), the lower surface mounting of mounting panel (7) has vacuum chuck (8), two one side symmetry slope that the surface of riser (3) is close to is installed visual sensor (9), second cylinder (10) are installed to the surface one side of riser (3) and the position that is close to the bottom, frame body (1) includes four bracing pieces (11) and four ejector pins (12), the top ends of the ejector rods (12) are connected with the top end of the supporting rod (11) in a sliding mode, the top ends of the ejector rods (12) are fixedly connected with the lower surface of a sample feeding conveyor belt (2), the four ejector rods (12) are arranged in a rectangular mode, a supporting plate (13) is fixedly connected between the top ends of the two adjacent supporting rods (11), threaded rods (14) are symmetrically erected on the two ends of the upper surface of the supporting plate (13) in a rotating mode, one ends, close to the two threaded rods (14), of the two threaded rods are fixedly connected with first bevel gears (15), sliding blocks (16) which are connected through threads in a rotating mode are sleeved on the outer surfaces of the two threaded rods (14), connecting rods (17) are connected at the top ends of the two sliding blocks (16) in a rotating mode, transverse rods (18) are fixedly connected between the two adjacent ejector rods (12), and the other ends of the two connecting rods (17) are connected with the lower surface of the transverse rods (18) in a rotating mode, the upper surface of backup pad (13) just is located the position of two threaded rods (14) and erects the rotation and be connected with dwang (19).

2. The sample injection device for preparing the chromatograph according to claim 1, wherein: the upper surface bilateral symmetry fixed mounting of advance kind conveyer belt (2) has striker plate (21), the one end of striker plate (21) is connected with riser (3).

3. The sample injection device for preparing the chromatograph according to claim 1, wherein: discharge gate (22) have been seted up with the relative one side of second cylinder (10) to the surface of riser (3), the surface of riser (3) just is close to position fixedly connected with baffle box board (23) of discharge gate (22) bottom, just the piston rod one end fixedly connected with push pedal (24) of second cylinder (10).

4. The sample injection device for preparing the chromatograph according to claim 1, wherein: one end upper surface one side that advances kind conveyer belt (2) and be close to riser (3) installs connecting plate (25), the surface mounting of connecting plate (25) has test probe (26).

5. The sample injection device for preparing the chromatograph according to claim 1, wherein: fixedly connected with second bevel gear (20) is just established to the surface of dwang (19) and the position cover that is close to first bevel gear (15), just second bevel gear (20) and two adjacent first bevel gear (15) mesh mutually, just one end fixed connection carousel (27) of dwang (19).

6. The sample injection device for preparing the chromatograph according to claim 1, wherein: a reinforcing rod (28) is fixedly connected between the two relatively far supporting rods (11).