CN202631313U

CN202631313U - Automatic sampling system

Info

Publication number: CN202631313U
Application number: CN 201220147488
Authority: CN
Inventors: 杨年柱
Original assignee: HUBEI ZHONGFU CHEMICAL GROUP CO Ltd
Current assignee: HUBEI ZHONGFU CHEMICAL GROUP CO Ltd
Priority date: 2012-04-10
Filing date: 2012-04-10
Publication date: 2012-12-26
Anticipated expiration: 2022-04-10

Abstract

The utility model discloses an automatic sampling system, which comprises a main engine system and an auxiliary engine system, wherein the main engine system comprises a master control module, a reducing stepping motor, a stepping driver and a discharging servo motor; the stepping driver is connected with the reducing stepping motor; the auxiliary engine system comprises a box body and a sealing servo motor; the sealing servo motor is arranged on the box body; the reducing stepping motor is provided with a spindle rotating arm; a sampling head is fixed at the end of the spindle rotating arm; the end of the spindle rotating arm is provided with the discharging servo motor; a rotating piece is fixed on a rotating shaft of the discharging servo motor and is used for blocking the bottom of the sampling head during sampling; a guide pipe is arranged in the box body of the auxiliary engine system; an inner film bag is fixed at the upper port of the guide pipe; a sealing cover is fixed on the rotating shaft of the sealing servo motor; and the sealing cover is used for covering the upper port of the guide pipe. The automatic sampling system is particularly suitable for powder, granules and the like and is applied to material sampling at the end of conveyer belt in industries such as chemical fertilizer, grains, foods, medicines.

Description

A kind of automatic sampling system

Technical field

The utility model relates to a kind of automatic sampling system, is used for industry conveyer belt end article samplings such as chemical fertilizer, grain, food, medicine.

Background technology

Existing automatic sampler great majority adopt simple mechanism such as timer, limit switch or counter, and automaticity is low, and failure rate is high, such as locate sampled point with limit switch, has the inaccurate shortcoming of machinery inertial.The minority automatic sampler adopts the Programmable Technology exploitation, but in the equipment development process, lack consideration equipment to site environment adaptive faculty, particularly chemical industry, fertilizer industry electromagnetic interference (EMI), acid and alkali corrosion etc., so reliability is not high; Maximum problem does not also have to be directed against specially the type that complex environment is protected sample.

Summary of the invention

The purpose of the utility model is not enough in order to overcome in the prior art, and a kind of automatic sampling system is provided, and is control center with the micro computer, automaticity is high, sampling accurately, reliable operation, can effectively protect sample.Be particularly suitable for article such as pulvis, particle, be applicable to industry conveyer belt end article samplings such as chemical fertilizer, grain, food, medicine.

The above-mentioned purpose of the utility model is to realize through such technical scheme: a kind of automatic sampling system; Comprise host computer system and auxiliary system; Said host computer system comprises main control module, decelerating step motor, step actuator; The blowing servomotor, step actuator connects decelerating step motor; Said auxiliary system comprises casing, the sealing servomotor, and said sealing servomotor is installed on the casing; Decelerating step motor is provided with the main shaft spiral arm, and said main shaft spiral arm end is fixed with sampling head, and said main shaft spiral arm end is equipped with the blowing servomotor, is fixed with revolving fragment in the rotating shaft of said blowing servomotor, blocks the sampling head bottom when revolving fragment is used to sample; Be provided with passage in the casing of said auxiliary system, the passage upper port is fixed with the inner membrance bag, is fixed with gland bonnet in the rotating shaft of said sealing servomotor, and gland bonnet is used to cover the passage upper port; Said blowing servomotor, sealing servomotor and main control module are through the communication of PWM pulsewidth mode.

Said passage lower port connects material guiding plate.

Said system is not when the blowing state, and gland bonnet, passage and inner membrance bag constitute a sealing area.

The casing of said auxiliary system is provided with form.

Said host computer system comprises mainframe box, and said mainframe box bottom is provided with limit switch and induction positioning switch, and said limit switch, induction positioning switch all are connected with main control module.

Said host computer system is provided with host panel, and main control module is installed at the host panel middle part, and said host panel top is provided with pilot lamp, and said host panel bottom is provided with button, and said host panel both sides are respectively equipped with hinge and door lock.

A kind of automatic sampling system of the utility model, prior art is compared, the following advantage that has:

1), adopt digital stepper motors, digital servomotor as operation power, and cooperate a series of program intelligent software, make the sampling process full automation.

2) gland bonnet was closed immediately after, blowing finished; Prevent that not only dust from getting in the sample, and prevent that material from exposing in air for a long time and make moist, farthest protect the composition of sample own; Dynamically total cross-section continuous-flow type sampling mode makes analysis result have more accuracy, representativeness.

3), the utility model also have on-site manual sampling, housing temperature display alarm, automatically/the teletransmission warning, when program is disturbed from reset, operating mode/some subsidiary functions such as fault alarm Chinese demonstrations, make the sampling reliable operation, take a sample flexible, practical.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further:

Fig. 1 is the utility model device synoptic diagram.

Fig. 2 is the utility model electrical system control block diagram.

Fig. 3 is the utility model program control system block diagram.

Fig. 4 is the utility model device subsidiary engine structural representation.

Embodiment

Like Fig. 1, shown in Figure 4; A kind of automatic sampling system; Comprise

host computer system

1 and 15 liang of big systems of auxiliary system, said host computer system 1 mainly comprises mainframe box, host panel 20, main control module 2, main shaft spiral arm 6, step actuator 5, decelerating step motor 4, Switching Power Supply 3, sampling head 9, blowing servomotor 8, revolving fragment 7.

Said auxiliary system 15 mainly comprises subsidiary engine casing, passage 12, material guiding plate 13, sealing servomotor 10, gland bonnet 11, form 18.

Said host panel 20 tops from left to right are respectively power supply (redness), operation (green), (yellow) three pilot lamp of reporting to the police; The middle part is a rectangle main control module 2; Following position from left to right is respectively setting (green), reset (redness), manual sampling (green) three buttons; The left side is the hinge of panel door, and the right is the panel door lock.Said main control module 2 is installed on the central authorities of host panel 20; The Chinese LCDs shows operating mode and fault alarm Chinese information such as housing temperature, time in SI, impulse stroke, be attached thereto be positioned at the mainframe box bottom two induction types near switch block 17 and protection limit switch 16; Said main control module 2 softwares have start software automatic positioning function after the power down of optional position.

Said decelerating step motor 4, step actuator 5, main shaft spiral arm 6 etc. constitute main shaft cantilever stepper drive system.Said main shaft spiral arm 6 is positioned at the mainframe box bottom, and main shaft spiral arm 6 is by decelerating step motor 4 controls; Said step actuator 5 adopts three-way pulse communication modes with main control module 2, and as the location, supporting limit switch 16 is as protection near switch block 17 for supporting induction type.

Said sampling head 9 is cup type sampling head, and this cup type sampling head is fixed on main shaft spiral arm 6 ends; Blowing servomotor 8 is positioned at below main shaft spiral arm 6 ends; Said blowing revolving fragment 7 one ends are fixed in 8 rotating shafts of blowing servomotor, block cup type sampling head bottom during sampling.

The casing of said auxiliary system 15 is provided with a dip plane 21, and said passage 12 inserts in the subsidiary engine in the middle of the dip plane 21 of subsidiary engine cabinet, and material guiding plate 13 is in subsidiary engine cabinet inside and passage 12 lower ends; The port of dress sample inner membrance bag 14 is tied up and is fixed on part in passage 12 machines in the said machine, and gland bonnet 11 1 ends are fixed in the rotating shaft of sealing servomotor 10, cover the upper port of passage 12 during standby, and form 18 is installed in above the door of subsidiary engine cabinet.

Said blowing servomotor 8 adopts the special-purpose steering wheel of robot with sealing servomotor 10, has 180 ° of scope anglecs of rotation, adopts PWM pulsewidth communication modes with main control module 2, works in self-align pattern.

Implementation step:

Shown in Fig. 1 ~ 4, a kind of automatic sampling system of the utility model comprises host computer system 1 and auxiliary system 15 two large divisions; Main control modules 2 are installed in the middle of the host panel 20, above three pilot lamp, below three buttons; There is the heat radiation air guide hole side, and main shaft spiral arm 6 is arranged at the bottom, is provided with cup type sampling head 9 at its other end; The next door is provided with blowing servomotor 8, and there is blowing revolving fragment 7 in bottom, bottom next door also have with main shaft spiral arm 6 near mechanical limit switch 16 and induction positioning switch 17; 21 tops, dip plane of auxiliary system 15 are equipped with sealing servomotor 10 and gland bonnet 11, the controlled main control module 2 of working, and 21 middle parts, dip plane are passages 12, and passage 12 lower ends are prolonged and are raised to the subsidiary engine box house, and material guiding plate 13 is equipped with in the bottom, and control gets stuck.Part ties the inner membrance bag 14 of splendid attire sample in passage 12 machines with silicone tube; Except blowing constantly; The inner membrance bag 14 of gland bonnet 11, passage 12, material guiding plate 13, dress sample constitutes a complete sealed environment; Prevent and treat other impurity and sneak into the protection sample, form 18 is convenient to observe at any time situation in the subsidiary engine.

When using the utility model sampler, after working power is connected, the utility model sampler carried out a series of initialization process after, whether the communication of inspection peripheral components normal, handles otherwise report to the police, and then various conditions of work is operated; Arrive when the sampling timing time, behind the main shaft spiral arm 6 intelligent location, be rotated counterclockwise the sampling end point, the main shaft spiral arm 6 that has cup type sampling head 9 rotates near belt conveyer belt 19, and inswept belt conveyer belt 19 end discharging areas are carried out first stroke and promptly gathered.Cup type sampling head is got to be rotated clockwise to behind the quantitative material and is transported to passage 12 upper ends, and auxiliary system 15 control gland bonnets 11 were opened before material arrives passage 12, and host computer system 1 control revolving fragment 7 is opened, and carrying out second stroke is blowing; Material gets into the inner membrance bag 14 of dress sample through passage 12 and material guiding plate 13; Gland bonnet 11 was treated to close immediately after sampling head leaves when blowing finished; Main shaft spiral arm 6 is rotated counterclockwise the top of initial induction positioning switch 17 once more, sampling completion automatically behind the stroke of execution location; The reset samples sign, refresh return master routine after the sampling period after, carry out the next round circulation again.The utility model is farthest protected the composition of sample own, and dynamically total cross-section continuous-flow type sampling mode makes analysis result have more accuracy, representativeness.

Claims

1. an automatic sampling system comprises host computer system (1) and auxiliary system (15), and said host computer system (1) comprises main control module (2); Decelerating step motor (4); Step actuator (5), blowing servomotor (8), step actuator (5) connects decelerating step motor (4);

Said auxiliary system (15) comprises casing, sealing servomotor (10), and said sealing servomotor (10) is installed on the casing;

It is characterized in that; Decelerating step motor (4) is provided with main shaft spiral arm (6); Said main shaft spiral arm (6) end is fixed with sampling head (9); Said main shaft spiral arm (6) end is equipped with blowing servomotor (8), is fixed with revolving fragment (7) in said blowing servomotor (8) rotating shaft, and revolving fragment (7) blocks sampling head (9) bottom when being used to sample;

Be provided with passage (12) in the casing of said auxiliary system (15); Passage (12) upper port is fixed with inner membrance bag (14); Be fixed with gland bonnet (11) in said sealing servomotor (10) rotating shaft, gland bonnet (11) is used to cover passage (12) upper port.

2. according to the said a kind of automatic sampling system of claim 1, it is characterized in that said passage (12) lower port connects material guiding plate (13).

3. according to the said a kind of automatic sampling system of claim 1, it is characterized in that this system is not when the blowing state, gland bonnet (11), passage (12) and inner membrance bag (14) constitute a sealing area.

4. according to the said a kind of automatic sampling system of claim 1, it is characterized in that the casing of said auxiliary system (15) is provided with form (18).

5. according to the said a kind of automatic sampling system of claim 1; It is characterized in that; Said host computer system (1) comprises mainframe box; Said mainframe box bottom is provided with limit switch (16) and induction positioning switch (17), and said limit switch (16), induction positioning switch (17) all are connected with main control module (2).

6. according to the said a kind of automatic sampling system of claim 1; It is characterized in that; Said host computer system (1) is provided with host panel (20), and main control module (2) is installed at host panel (20) middle part, and said host panel (20) top is provided with pilot lamp; Said host panel (20) bottom is provided with button, and said host panel (20) both sides are respectively equipped with hinge and door lock.

7. according to the said a kind of automatic sampling system of claim 1, it is characterized in that said blowing servomotor (8), sealing servomotor (10) pass through the communication of PWM pulsewidth mode with main control module (2).