CN215258946U

CN215258946U - Automatic lifting mechanism of heavy metal detector

Info

Publication number: CN215258946U
Application number: CN202120754176.1U
Authority: CN
Inventors: 刘晓霜
Original assignee: Changsha Carlington Technology Co ltd
Current assignee: Changsha Carlington Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-21
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses an automatic lifting mechanism of a heavy metal detector, which comprises a top seat, a screw rod, a lifting platform, a screw rod nut, a coupling, a base and a stepping motor; the stepping motor is fixed on the base, the output end of the stepping motor is connected with the bottom end of the screw rod through the coupler, and the top end of the screw rod is rotatably arranged on the top seat; the screw rod nut is fixedly arranged in the middle of the lifting platform, is sleeved on the screw rod and is in threaded connection with the screw rod; through step motor's rotation, can drive the shaft coupling rotation, and then drive the lead screw and rotate and change into screw-nut's up-and-down motion to drive lift platform up-and-down motion, lift platform is used for driving collection module up-and-down motion. The utility model discloses can realize lift platform's lift operation with automizing to the automatic upgrading of the collection module who drives heavy metal detector, it is very convenient, greatly reduced staff's work load, improved detection efficiency and detection precision.

Description

Automatic lifting mechanism of heavy metal detector

Technical Field

The utility model belongs to the technical field of the heavy metal detection technique and specifically relates to an automatic lifting mechanism of heavy metal detector is related to.

Background

When the heavy metal detector works, the electrode tip of the collecting part needs to extend into the analysis pool so as to detect the reagent in the analysis pool. At present, the degree of automation of the collection portion of the heavy metal detector is low, a large amount of manual operations are needed, the operation is troublesome, the efficiency is low, and misoperation easily occurs during manual operation, so that detection failure or insufficient detection precision is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide an automatic lifting mechanism of a heavy metal detector, which comprises a top seat, a screw rod, a lifting platform, a screw rod nut, a coupling, a base and a stepping motor;

the stepping motor is fixed on the base, the output end of the stepping motor is connected with the bottom end of the screw rod through a coupler, and the top end of the screw rod is rotatably arranged on the top seat;

the feed screw nut is fixedly arranged in the middle of the lifting platform, is sleeved on the feed screw and is in threaded connection with the feed screw;

through the rotation of step motor, can drive the shaft coupling is rotatory, and then drives the lead screw rotates and converts into the up-and-down motion of screw-nut to drive lift platform up-and-down motion.

In some embodiments, the optical axis comprises two optical axes and two linear bearings;

the two optical axes are respectively positioned at two sides of the screw rod, both the two optical axes penetrate through the lifting platform, and both ends of each optical axis are respectively fixed on the base and the top seat;

the two linear bearings are respectively sleeved on the two optical axes, and each linear bearing is fixedly connected with the corresponding optical axis;

and the optical axis and the linear bearing are used for limiting the rotary motion of the lifting platform along the screw rod.

In some embodiments, the lifting platform further comprises a travel switch mounted on the base, wherein the travel switch is used for judging the zero position of the lifting platform.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an automatic lifting mechanism of heavy metal detector can realize lift platform's lift operation with automizing to drive the automatic upgrading of heavy metal detector's collection module, it is very convenient, greatly reduced staff's work load, improved detection efficiency and detection precision.

Drawings

Fig. 1 is a schematic view of an automatic lifting mechanism of a heavy metal detector provided by the present invention;

FIG. 2 is a schematic view of the lift platform of FIG. 1 after it has been raised;

FIG. 3 is a side view of FIG. 1;

fig. 4 is the utility model provides a heavy metal detector's automatic lifting mechanism and collection module matched with schematic diagram.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides an automatic lifting mechanism of heavy metal detector, which comprises a top seat 1, a screw rod 2, a lifting platform 4, a screw rod nut 6, a coupling 7, a base 8 and a stepping motor 9; the stepping motor 9 is fixed on the base 8, the output end of the stepping motor 9 is connected with the bottom end of the screw rod 2 through the coupler 7, and the top end of the screw rod 2 is rotatably arranged on the top seat 1; the screw rod nut 6 is fixedly arranged in the middle of the lifting platform 4, the screw rod nut 6 is sleeved on the screw rod 2, and the screw rod nut 6 is in threaded connection with the screw rod 2; through the rotation of step motor 9, can drive shaft coupling 7 rotatory, and then drive lead screw 2 and rotate and convert the up-and-down motion of screw-nut 6 to drive lift platform 4 up-and-down motion.

It can be understood that the lifting platform 4 can be fixedly connected with the acquisition module of the heavy metal detector, so as to drive the acquisition module to move up and down.

Preferably, the automatic lifting mechanism of the heavy metal detector further comprises two optical shafts 3 and two linear bearings 5; the two optical shafts 3 are respectively positioned at two sides of the screw rod 2, the two optical shafts 3 both penetrate through the lifting platform 4, and two ends of the two optical shafts 3 are respectively fixed on the base 8 and the top seat 1; the two linear bearings 5 are respectively sleeved on the two optical shafts 3, and each linear bearing 5 is fixedly connected with the corresponding optical shaft 3; the optical axis 3 and the linear bearing 5 are used for limiting the rotary motion of the lifting platform 4 along the screw rod 2.

Preferably, the automatic lifting mechanism of the heavy metal detector further comprises a travel switch 10 mounted on the base 8, and the travel switch 10 is used for judging the zero point position of the lifting platform 4.

As further shown in fig. 4, in a specific embodiment, the lifting platform 4 is fixedly connected with an acquisition module of the heavy metal detector, and the acquisition module includes a bottom plate, an outer cover 17, a second stepping motor 15, a driving gear 14 and a plurality of acquisition assemblies; the bottom plate is connected with one side of the lifting platform 4 into a whole, and the outer cover 17 and the bottom plate form a closed inner space together; the driving gear 14 is rotatably mounted on the bottom plate, and the second stepping motor 15 is used for controlling the driving gear 14 to rotate; each collecting assembly comprises an electrode head 11, a driven gear 12, a collecting plate 13 and a sliding ring 16; the driven gears 12 are rotatably mounted on the bottom plate, and the driven gears 12 are meshed with the driving gear 14 or meshed with other driven gears 12, so that each driven gear 12 can rotate along with the rotation of the driving gear 14; the collecting plate 13 is installed inside the driven gear 12 and can rotate along with the rotation of the driven gear 12, and the collecting plate 13 is fixedly connected with the corresponding electrode tip 11; the electrode tip 11 penetrates through the bottom plate and extends to the lower end to obtain an acquisition signal; the slip ring 16 is fixedly connected with the outer cover, the slip ring 16 is positioned above the corresponding acquisition board 13, the lower section lead of the slip ring 16 is electrically connected with the corresponding acquisition board 13, and the upper section lead is electrically connected with the circuit main board of the heavy metal detector; the slip ring 16 is used to ensure the conduction between the corresponding wires of the upper and lower leads of the slip ring 16 during the rotation process.

In the embodiment shown in fig. 4, the acquisition module includes three acquisition components, and the selection device may be a single channel, a dual channel, a triple channel, or more channels according to actual needs.

To sum up, the utility model provides an automatic lifting mechanism of heavy metal detector can realize lift platform's lift operation with automizing to the automatic upgrade of the collection module who drives heavy metal detector, it is very convenient, greatly reduced staff's work load, improved detection efficiency and detection precision.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. An automatic lifting mechanism of a heavy metal detector is characterized by comprising a top seat (1), a screw rod (2), a lifting platform (4), a screw rod nut (6), a coupler (7), a base (8) and a stepping motor (9);

the stepping motor (9) is fixed on the base (8), the output end of the stepping motor (9) is connected with the bottom end of the screw rod (2) through a coupler (7), and the top end of the screw rod (2) is rotatably arranged on the top seat (1);

the screw rod nut (6) is fixedly arranged in the middle of the lifting platform (4), the screw rod nut (6) is sleeved on the screw rod (2), and the screw rod nut (6) is in threaded connection with the screw rod (2);

the coupler (7) can be driven to rotate through the rotation of the stepping motor (9), so that the lead screw (2) is driven to rotate and is converted into the up-and-down motion of the lead screw nut (6), and the lifting platform (4) is driven to move up and down;

the lifting platform (4) is fixedly connected with an acquisition module of the heavy metal detector;

the acquisition module comprises a bottom plate, a second stepping motor (15), a driving gear (14) and a plurality of acquisition assemblies;

the bottom plate is connected with one side of the lifting platform (4) into a whole;

the driving gear (14) is rotatably arranged on the bottom plate, and the second stepping motor (15) is used for controlling the driving gear (14) to rotate;

each collecting assembly comprises an electrode tip (11), a driven gear (12) and a collecting plate (13);

the driven gears (12) are rotatably arranged on the bottom plate, and the driven gears (12) are meshed with the driving gear (14) or meshed with other driven gears (12), so that each driven gear (12) can rotate along with the rotation of the driving gear (14);

the collecting plate (13) is arranged in the driven gear (12) and can rotate along with the rotation of the driven gear (12), and the collecting plate (13) is fixedly connected with the corresponding electrode tip (11);

the electrode head (11) penetrates through the bottom plate and extends to the lower end for acquiring an acquisition signal.

2. The automatic lifting mechanism of the heavy metal detector according to claim 1, further comprising two optical axes (3) and two linear bearings (5);

the two optical shafts (3) are respectively positioned at two sides of the screw rod (2), the two optical shafts (3) penetrate through the lifting platform (4), and two ends of the two optical shafts (3) are respectively fixed on the base (8) and the top seat (1);

the two linear bearings (5) are respectively sleeved on the two optical axes (3), and each linear bearing (5) is fixedly connected with the corresponding optical axis (3);

the optical axis (3) and the linear bearing (5) are used for limiting the rotary motion of the lifting platform (4) along the screw rod (2).

3. The automatic lifting mechanism of the heavy metal detector according to claim 1, further comprising a travel switch (10) mounted on the base (8), wherein the travel switch (10) is used for judging the zero point position of the lifting platform (4).