阅读说明：本技术 一种全自动定容仪 (Full-automatic constant volume instrument ) 是由 王建鹏 马剑 王爱宇 于 2020-11-12 设计创作，主要内容包括：本发明是一种全自动定容仪,包括抓取机构、托盘、容量瓶推送组件和加液机构；所述抓取机构包括上下移动组件、前后移动组件和左右移动组件；所述上下移动组件包括第一电机、一号距离传感器和二号距离传感器,所述第一电机的丝杠连接移动块,所述移动块上设置有连接件；所述左右移动组件包括第三电机、左右设置的第三滑轨、五号距离传感器和六号距离传感器,所述第三电机的丝杠连接有第三滑块。本发明所述的一种全自动定容仪,可以代替人工将容量瓶将运送至容量瓶定容加液装置定容加液处,待容量瓶定容加液完毕后并将容量瓶取出继续放置下一个,有利于连续大批量定容操作,提高了定容加液效率且省时省力,能够满足现代自动化化学分析的要求。(The invention relates to a full-automatic volumetric apparatus, which comprises a grabbing mechanism, a tray, a volumetric flask pushing assembly and a liquid adding mechanism, wherein the grabbing mechanism is arranged on the tray; the grabbing mechanism comprises an up-and-down moving assembly, a front-and-back moving assembly and a left-and-right moving assembly; the up-and-down moving assembly comprises a first motor, a first distance sensor and a second distance sensor, a lead screw of the first motor is connected with a moving block, and a connecting piece is arranged on the moving block; the left and right moving assembly comprises a third motor, a third slide rail, a fifth distance sensor and a sixth distance sensor, wherein the third slide rail, the fifth distance sensor and the sixth distance sensor are arranged on the left and right sides of the third motor, and a screw rod of the third motor is connected with a third sliding block. The full-automatic constant volume instrument can replace manual work to convey the volumetric flask to the constant volume liquid adding position of the volumetric flask constant volume liquid adding device, and the volumetric flask is taken out after the constant volume liquid adding of the volumetric flask is finished and is continuously placed for the next volumetric flask, so that continuous large-batch constant volume operation is facilitated, the constant volume liquid adding efficiency is improved, time and labor are saved, and the requirement of modern automatic chemical analysis can be met.)

1. A full-automatic volumetric apparatus is characterized by comprising a grabbing mechanism, a tray, a volumetric flask pushing assembly and a liquid adding mechanism (27);

the grabbing mechanism comprises an up-and-down moving assembly, a front-and-back moving assembly and a left-and-right moving assembly;

the up-down moving assembly comprises a first motor (6), a first distance sensor (14) and a second distance sensor (15), a lead screw of the first motor (6) is connected with a moving block (5), and a connecting piece (7) is arranged on the moving block (5); the bottom of the moving block (5) is provided with a gripper (4); a first distance sensor (14) is fixed on the front-back moving assembly; the first distance sensor (14) and the second distance sensor (15) are arranged oppositely up and down and used for judging the rising and falling heights of the gripper (4);

the front-back moving assembly comprises a second motor (9) and second sliding rails (8) arranged in front and back, a lead screw of the second motor (9) is connected with a second sliding block (10), the second sliding block (10) is fixedly connected with the connecting piece (7), and the second sliding block (10) moves along the second sliding rails (8); a third distance sensor (16) and a fourth distance sensor (17) which are arranged in a front-back opposite mode are respectively arranged at two ends of the second sliding rail (8) and used for judging the front-back moving distance of the gripper (4);

the left-right moving assembly comprises a third motor (12), a third slide rail (11) arranged left and right, a fifth distance sensor (18) and a sixth distance sensor (19), a lead screw of the third motor (12) is connected with a third slide block (13), and the third slide block (13) moves along the third slide rail (11); the second motor (9) is fixed on the third sliding block (13); the sixth distance sensor (19) is fixed on the third sliding rail (11), and the fifth distance sensor (18) and the sixth distance sensor (19) are arranged in a left-right opposite mode and used for judging the left-right movement distance of the gripper (4); the tray (1) is provided with a plurality of trays, the top surface of the tray (1) is provided with a plurality of volumetric flask mounting clamping blocks and a lifting handle, the volumetric flask mounting clamping blocks are provided with a base (2) in a matching manner, and the base (2) is provided with a plurality of trays;

the base (2) comprises a bottom support (201), a support rod (202) and a rope hook (203); the bottom support (201) is used for supporting the volumetric flask, one side of the bottom support (201) is connected with a rope hook (203) through a support rod (202), and the rope hook (203) is used for hanging a rope for connecting the cover and the volumetric flask;

the volumetric flask propelling movement subassembly includes fourth motor (20), be provided with fourth slider (23) on lead screw (22) of fourth motor (20), be fixed with on fourth slider (23) and place seat (24), liquid feeding mechanism (27).

2. The full-automatic volume setting instrument according to claim 1, characterized in that a shell (21) is sleeved outside the lead screw (22).

3. A fully automatic volumetric apparatus according to claim 1 or 2, characterized in that said tray (1) is fixed on a base plate (28); and a shell (29) is fixed on the bottom plate (28), and the shell (29) plays a role in protection and support.

Technical Field

The invention relates to the technical field of experimental instruments, in particular to a full-automatic capacitance setting instrument.

Background

Volumetric flasks are precision instruments used to prepare solutions of exact quantitative concentrations of a substance. The glass bottle is a long and thin neck pear-shaped flat-bottom glass bottle with a ground glass plug, scales are arranged on the neck, and when the volume in the bottle reaches a marked line at a specified temperature, the volume is the marked volume number.

In conventional chemical analysis, it is conventional step to the volumetric flask constant volume, because handheld volumetric flask carries out constant volume liquid feeding complex operation, especially under the condition of continuous big batch constant volume, because operator fatigue or paralysis, the constant volume can often be caused and the failure, therefore, some volumetric flask constant volume liquid feeding devices have appeared in the market, volumetric flask constant volume liquid feeding demand can be accomplished to current volumetric flask constant volume liquid feeding device, but still need the manual work to put into the volumetric flask to volumetric flask liquid feeding device one by one, it puts into next again to wait to take out after the liquid constant volume is accomplished to add the liquid, unable continuous automatic work, still need operating personnel manual operation, especially under the condition of continuous big batch constant volume, need the continuous repeated volumetric flask of operator to put into and take out the action, the manpower is wasted, and waste time and energy, can not satisfy the requirement of modern automated chemical analysis.

Therefore, a full-automatic capacity setting instrument is designed to solve the problems.

Disclosure of Invention

The invention provides a full-automatic volumetric apparatus for overcoming the defects, which comprises a grabbing mechanism, a tray, a volumetric flask pushing assembly and a liquid adding mechanism, wherein the grabbing mechanism is arranged on the tray;

the grabbing mechanism comprises an up-and-down moving assembly, a front-and-back moving assembly and a left-and-right moving assembly;

the up-and-down moving assembly comprises a first motor, a first distance sensor and a second distance sensor, a lead screw of the first motor is connected with a moving block, and a connecting piece is arranged on the moving block; the bottom of the moving block is provided with a gripper; the first distance sensor is fixed on the front-back moving assembly; the first distance sensor and the second distance sensor are arranged up and down oppositely and used for judging the ascending and descending height of the gripper;

the front-back moving assembly comprises a second motor and a second sliding rail arranged in front and back, a lead screw of the second motor is connected with a second sliding block, the second sliding block is fixedly connected with the connecting piece, and the second sliding block moves along the second sliding rail; a third distance sensor and a fourth distance sensor which are arranged oppositely in the front and back direction are respectively arranged at two ends of the second sliding rail and used for judging the distance of the front and back movement of the gripper;

the left-right moving assembly comprises a third motor, a third slide rail, a fifth distance sensor and a sixth distance sensor which are arranged left and right, a lead screw of the third motor is connected with a third slide block, and the third slide block moves along the third slide rail; the second motor is fixed on the third sliding block; the fifth distance sensor and the sixth distance sensor are arranged oppositely left and right and are used for judging the distance between the left hand and the right hand of the gripper; the tray is provided with a plurality of trays, the top surface of the tray is provided with a plurality of volumetric flask mounting fixture blocks and a lifting handle, the volumetric flask mounting fixture blocks are provided with bases in a matching way, and the bases are provided with a plurality of bases;

the base comprises a bottom support, a support rod and a rope hook; the bottom support is used for lifting the volumetric flask, one side of the bottom support is connected with a hanging rope hook through a support rod, and the hanging rope hook is used for hanging a hanging rope for connecting the cover and the volumetric flask;

volumetric flask propelling movement subassembly includes the fourth motor, be provided with the fourth slider on the lead screw of fourth motor, be fixed with the mount pad on the fourth slider, the fourth motor can with the volumetric flask sends the liquid outlet of liquid feeding mechanism, and liquid feeding mechanism can be the volumetric flask liquid feeding.

And a shell is sleeved outside the lead screw.

The tray is fixed on the bottom plate; and a shell is fixed on the bottom plate and plays a role in protection and support.

The invention has the beneficial effects that:

the full-automatic constant volume instrument can replace manual work to convey the volumetric flask to the constant volume liquid adding position of the volumetric flask constant volume liquid adding device, and the volumetric flask is taken out after the constant volume liquid adding of the volumetric flask is finished and is continuously placed for the next volumetric flask, so that continuous large-batch constant volume operation is facilitated, the constant volume liquid adding efficiency is improved, time and labor are saved, and the requirement of modern automatic chemical analysis can be met.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a perspective view of the present invention (with a housing portion removed);

fig. 4 is a perspective view (use state) of the tray;

FIG. 5 is a perspective view of the tray;

FIG. 6 is a top view of the tray;

FIG. 7 is a perspective view of the base (in use);

FIG. 8 is a perspective view of the base;

FIG. 9 is a perspective view of the grasping mechanism;

FIG. 10 is a front view of the grasping mechanism;

FIG. 11 is a schematic view of the up and down moving assembly and the back and forth moving assembly;

FIG. 12 is a schematic view of the up and down movement assembly;

FIG. 13 is a schematic view of the fore and aft movement assembly;

FIG. 14 is a schematic view of the connection between the connecting member and the second slider;

FIG. 15 is a schematic view of the side-to-side movement assembly;

FIG. 16 is a schematic view of a volumetric flask pusher assembly;

fig. 17 is a schematic view of the volumetric flask pushing assembly (with the cover removed).

Wherein:

1-a tray; 2-a base; 201-bottom support; 202-strut; 203-hanging a rope hook; 3-volumetric flask; 4, gripping the hand; 5-moving block; 6-a first motor; 7-a connector; 8-a second slide rail; 9-a second motor; 10-a second slide; 11-a third slide rail; 12-a third motor; 13-a third slide; 14-distance sensor number one; 15-distance sensor number two; 16-distance sensor number three; 17-distance sensor number four; 18-five distance sensor; distance sensor number 19-six; 20-a fourth motor; 21-a housing cover; 22-a lead screw; 23-a fourth slider; 24-a setting seat; 27-a liquid adding mechanism; 28-a base plate; 29-outer shell.

Detailed Description

The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

A full-automatic volumetric apparatus comprises a grabbing mechanism, a tray, a volumetric flask pushing assembly and a liquid adding mechanism 27;

the grabbing mechanism comprises an up-and-down moving assembly, a front-and-back moving assembly and a left-and-right moving assembly;

the up-down moving assembly comprises a first motor 6, a first distance sensor 14 and a second distance sensor 15, a lead screw of the first motor 6 is connected with a moving block 5, and a connecting piece 7 is arranged on the moving block 5; the bottom of the moving block 5 is provided with a handle 4; a first distance sensor 14 is fixed on the front-back moving assembly; the first distance sensor 14 and the second distance sensor 15 are arranged oppositely up and down and used for judging the rising and falling heights of the hand grip 4;

the front-back moving assembly comprises a second motor 9 and a second slide rail 8 which is arranged in front and back, a lead screw of the second motor 9 is connected with a second slide block 10, as shown in fig. 14, the second slide block 10 is fixedly connected with the connecting piece 7, and the second slide block 10 moves along the second slide rail 8; a third distance sensor 16 and a fourth distance sensor 17 which are arranged in a front-back opposite mode are respectively arranged at two ends of the second slide rail 8 and used for judging the distance of the front-back movement of the hand grip 4;

the left-right moving assembly comprises a third motor 12, a third slide rail 11 arranged left and right, a fifth distance sensor 18 and a sixth distance sensor 19, a screw rod of the third motor 12 is connected with a third slide block 13, and the third slide block 13 moves along the third slide rail 11; the second motor 9 is fixed on the third sliding block 13; the sixth distance sensor 19 is fixed on the third slide rail 11, and the fifth distance sensor 18 and the sixth distance sensor 19 are arranged left and right oppositely and used for judging the left and right movement distance of the gripper 4;

as shown in fig. 4-6, a plurality of trays 1 are provided, a plurality of volumetric flask mounting fixture blocks and a plurality of lifting handles are arranged on the top surface of the tray 1, a base 2 is arranged on the volumetric flask mounting fixture blocks in a matching manner, and a plurality of bases 2 are arranged on the base 2;

as shown in fig. 7 and 8, the base 2 includes a bottom support 201, a support bar 202 and a rope hook 203; the bottom support 201 is used for lifting the volumetric flask, one side of the bottom support 201 is connected with a rope hook 203 through a support rod 202, and the rope hook 203 is used for hanging a rope connected with a cover and the volumetric flask;

the volumetric flask pushing assembly comprises a fourth motor 20, a fourth sliding block 23 is arranged on a lead screw 22 of the fourth motor 20, and a placing seat 24 and a liquid adding mechanism 27 are fixed on the fourth sliding block 23.

The lead screw 22 is sleeved with a shell 21.

The tray 1 is fixed on a bottom plate 28; a housing 29 is fixed on the bottom plate 28, and the housing 29 plays a role of protection and support.

The filling mechanism 27 is prior art and will not be described in detail, other patents in the name of the applicant being similarly detailed.

The using method comprises the following steps:

fixing the volumetric flasks on a bottom support 201 in a base 2, and sequentially stacking the base 2 with the volumetric flasks in a volumetric flask placement block in a tray 1;

the up-and-down moving assembly controls the moving block 5 to move up and down through the first motor 6, and drives the gripper 4 to move up and down to grip the base 2 with the volumetric flask;

the back-and-forth movement assembly controls a second sliding block 10 to move back and forth through a second motor 9, and the second sliding block 10 is fixedly connected with a connecting piece 7 to drive the back-and-forth movement assembly to move back and forth;

the left-right moving assembly controls a third sliding block 13 to move left and right through a third motor 12, and the third sliding block 13 is fixedly connected with a second motor 9 to drive the left-right moving assembly to move left and right so as to drive the up-down moving assembly to move left and right;

the hand grip 4 can move up and down, left and right and back and forth along with the up-and-down moving assembly;

the gripper 4 grips the base 2 on the tray 1, and the base 2 supports the volumetric flask 3;

the fourth motor 20 drives the fourth sliding block 23 to move back and forth, the fourth sliding block 23 drives the placing seat 24 to move back and forth, and the volumetric flask is conveyed to a liquid outlet of the liquid adding mechanism 27 for liquid adding.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.