CN220231054U - Three-dimensional sampling mechanism for full-automatic chemical luminescence instrument - Google Patents

Abstract

The utility model belongs to the technical field of three-dimensional sampling mechanisms, and particularly relates to a three-dimensional sampling mechanism for a full-automatic luminous instrument, which comprises a cylindrical box, a sampling arm, a lifting assembly, a lifting adjusting mechanism, an electric cylinder, a hollow column, an inner wire sleeve, a screw rod and a sampling needle. The utility model has reasonable design and simple and convenient operation, not only can realize three-dimensional adjustment of the sampling needle, but also can realize stable adjustment, and has better adjustment stability, thereby ensuring the adjustment precision of the sampling needle.

Description

A three-dimensional sampling mechanism for fully automatic chemiluminescence instrument

Technical field

The utility model relates to the technical field of three-dimensional sampling mechanisms, in particular to a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument.

Background technique

The three-dimensional sampling mechanism of the fully automatic chemiluminescence instrument mainly includes a sampling arm. One end of the sampling arm is connected to the sampling needle, and the other end is connected to a mechanism with lifting and rotating functions. The three-dimensional sampling mechanism of the existing fully automatic chemiluminescence instrument has high process requirements during assembly. The spline shaft has no guide mechanism when performing linear motion, and the operation is unstable and the positioning accuracy is poor. When there is a deviation in the assembly accuracy, it will also The service life of the equipment is shortened. At the same time, the lack of guide during linear motion is prone to unstable operation and poor positioning accuracy. Therefore, this utility model proposes a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument to solve the problem. the above questions.

Utility model content

The purpose of this utility model is to propose a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument in order to solve the shortcomings of the existing technology.

The above technical purpose of the present utility model is achieved through the following technical solutions: a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument, including a cylindrical box, a sampling arm, a lifting assembly, a lifting adjustment mechanism, an electric cylinder, and a hollow column , inner wire sleeve, screw and sampling needle;

A support is fixedly installed at the bottom of the cylindrical box, a lifting plate is slidably installed on the inner wall of the cylindrical box, the lifting assembly is arranged on the lifting plate and the bottom inner wall of the cylindrical box, and the hollow column is installed in a rotational manner. On the top side of the lifting plate, the inner wire sleeve is axially slidably installed in the hollow column, the screw thread is installed in the inner wire sleeve, and the screw is rotationally installed on the lifting plate, and the lifting adjustment mechanism is arranged on On the lifting plate, the lifting adjustment mechanism is connected to the screw and the hollow column. The top of the inner wire sleeve extends to the top of the cylindrical box and is fixedly installed with a mounting base. The sampling arm is slidably installed on the mounting base. The electric cylinder is fixedly installed on the mounting base, and the working end of the electric cylinder is fixedly connected to the sampling arm. A mounting block is detachably installed on the sampling arm, and the sampling needle is installed on the bottom side of the mounting block.

Preferably, the lifting adjustment mechanism includes a driving motor, a worm, a worm wheel, a rotating pin, a first bevel gear, a second bevel gear, a driving gear and a driven gear. A driving motor is fixedly installed on the top side of the lifting plate, and the output shaft of the driving motor A worm is fixedly connected to the upper axial direction, and a rotating pin is mounted on the lifting plate. The two ends of the rotating pin are respectively fixed with a bevel gear and a driving gear. The bottom end of the screw extends to the bottom of the lifting plate and is fixed with a driven gear. Gear, the driving gear meshes with the driven gear, the worm gear is fixed with a bevel gear one, the bevel gear one meshes with the bevel gear two, and the worm gear meshes with the worm gear.

Preferably, two strip grooves are provided on the inner wall of the hollow column, and two guide blocks are fixedly installed on the outside of the inner wire sleeve. The two guide blocks are slidably installed in the corresponding guide grooves.

Preferably, the lifting assembly includes four slide blocks, a dual-axis motor, two telescopic frames and two adjusting screw rods. Two slide blocks are respectively slidably installed on the bottom side of the lifting plate and the bottom inner wall of the cylindrical box. Two telescopic frames are hingedly installed on the four sliders. The two telescopic frames are arranged parallel to each other. A biaxial motor is fixedly installed on the bottom inner wall of the cylindrical box. The two output shafts of the biaxial motor are both axially fixedly connected. There is an adjusting screw rod, and the two adjusting screw rods are threadedly connected to the corresponding slider respectively. The two adjusting screw rods are symmetrically arranged based on the biaxial motor as the center.

Preferably, two fixed blocks are fixedly installed on the bottom side of the lifting plate, and two guide rods are fixedly installed on the side of the two fixed blocks close to each other. The two guide rods are arranged in parallel, and both guide rods are Slidingly connected to the two sliders above.

Preferably, a stopper is fixedly installed on the top side of the mounting base, a crossbar is fixedly installed on one side of the stopper, and the crossbar is slidingly connected to the sampling arm.

Preferably, the sampling arm is provided with a mounting port, and the mounting block is movably installed in the mounting port. A limiting screw rod is threadedly installed on the sampling arm. One end of the limiting screw rod extends into the mounting port and is threadedly installed on the mounting block. The fixed sleeve at one end of the screw rod away from the installation block is provided with an adjustment wheel.

Preferably, a rotating ring is rotatably installed on the outside of the cylindrical box, a telescopic rod is fixedly installed on the rotating ring, and the top of the telescopic rod is fixedly installed on the bottom side of the mounting base.

The beneficial effects of the utility model are: in the utility model, the lifting adjustment mechanism cooperates with the hollow column, the inner wire sleeve and the screw to control the sampling needle to be adjusted based on the cylindrical box as the center. At the same time, the height adjustment can also be realized, and in The height of the sampling needle can be quickly adjusted under the action of the lifting assembly, so that the sampling needle can be adjusted to the required height, and then the distance between the sampling needle and the cylindrical box can be adjusted by controlling the sampling arm through the electric cylinder, thus achieving The three-dimensional adjustment of the sampling needle, and the disassembly and assembly of the sampling needle are facilitated through the cooperation of the limit screw and the adjustment wheel. The operation is simple and convenient. It not only realizes the three-dimensional adjustment of the sampling needle, but also achieves smooth adjustment, ensuring that the sampling needle has Better stability, thereby improving the accuracy of sampling needle adjustment.

Description of drawings

In order to explain the technical solutions in the embodiments of the present utility model more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some implementations of the utility model. For example, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic three-dimensional structural diagram of a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument proposed by the utility model;

Figure 2 is a schematic cross-sectional structural view of a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument proposed by the present invention;

Figure 3 is a schematic structural diagram of part A of a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument proposed by this utility model.

In the picture: 1. Cylindrical box; 11. Rotating ring; 12. Telescopic rod; 2. Lifting plate; 21. Slider; 22. Telescopic frame; 23. Biaxial motor; 24. Adjusting screw; 25. Guide rod ; 3. Hollow column; 31. Inner wire sleeve; 32. Screw; 4. Drive motor; 41. Worm; 42. Bevel gear one; 43. Worm gear; 44. Rotating pin; 45. Bevel gear two; 46. Drive Gear; 47. Driven gear; 5. Mounting seat; 51. Sampling arm; 52. Electric cylinder; 6. Mounting block; 61. Sampling needle.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Referring to Figures 1-3, a three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument includes a cylindrical box 1, a sampling arm 51, an electric cylinder 52, a hollow column 3, an inner wire sleeve 31, a screw 32 and a sampling needle 61 , a support is fixedly installed at the bottom of the cylindrical box 1, a lifting plate 2 is slidingly installed on the inner wall of the cylindrical box 1, and two sliders are respectively installed slidingly on the bottom side of the lifting plate 2 and the bottom inner wall of the cylindrical box 1 21. Two telescopic frames 22 are hingedly installed on the four sliders 21. The two telescopic frames 22 are arranged parallel to each other. A biaxial motor 23 is fixedly installed on the bottom inner wall of the cylindrical box 1. Two of the biaxial motors 23 The output shaft is axially fixedly connected with an adjusting screw rod 24. The two adjusting screw rods 24 are threadedly connected to the corresponding slider 21. The two adjusting screw rods 24 are symmetrically arranged based on the biaxial motor 23 as the center and can control the lifting. The plate 2 is lifted and lowered, the hollow column 3 is installed on the top side of the lifting plate 2, the inner wire sleeve 31 is axially slidably installed in the hollow column 3, the screw rod 32 is threadedly installed in the inner screw sleeve 31, and the screw rod 32 is installed in a rotational manner. On the lifting plate 2, a driving motor 4 is fixedly installed on the top side of the lifting plate 2. A worm 41 is fixedly connected to the output shaft of the driving motor 4 in an axial direction. A rotating pin 44 is mounted on the lifting plate 2, and both sides of the rotating pin 44 are rotatably installed. The bevel gear 45 and the driving gear 46 are respectively fixedly sleeved at the ends. The bottom end of the screw 32 extends to the bottom of the lifting plate 2 and is fixedly sleeved with a driven gear 47. The driving gear 46 meshes with the driven gear 47, and the worm 41 is The fixed sleeve is provided with a bevel gear 42. The bevel gear 42 meshes with the bevel gear 45. The worm 41 meshes with the worm gear 43 to synchronously control the lifting and lowering and rotation of the lifting plate 2. The top of the inner wire sleeve 31 extends to the column. A mounting base 5 is fixedly installed above the shaped box 1. The sampling arm 51 is slidably installed on the mounting base 5. The electric cylinder 52 is fixedly installed on the mounting base 5, and the working end of the electric cylinder 52 is fixedly connected to the sampling arm 51. The sampling arm The mounting block 6 is detachably mounted on the 51, and the sampling needle 61 is mounted on the bottom side of the mounting block 6.

In this embodiment, two strip grooves are provided on the inner wall of the hollow column 3, and two guide blocks are fixedly installed on the outside of the inner wire sleeve 31. The two guide blocks are slidably installed in the corresponding guide grooves, so that The inner wire sleeve 31 maintains stable sliding along the axial direction of the hollow column 3. Two fixed blocks are fixedly installed on the bottom side of the lifting plate 2. Two guide rods 25 are fixedly installed on the side of the two fixed blocks close to each other. The two guide rods 25 are arranged in parallel, and the two guide rods 25 are slidingly connected with the two upper slide blocks 21, so that the upper two slide blocks 21 can maintain stable sliding along the bottom side of the lifting plate 2. The mounting base A block is fixedly installed on the top side of 5, and a crossbar is fixedly installed on one side of the block. The crossbar is slidingly connected to the sampling arm 51, so that the sampling arm 51 can maintain stable movement when the electric cylinder 52 is working. The cylindrical box 1 A rotating ring 11 is installed on the outside of the rotating ring 11. A telescopic rod 12 is fixedly installed on the rotating ring 11. The top of the telescopic rod 12 is fixedly installed on the bottom side of the mounting base 5, which can provide support for the mounting base 5, thereby ensuring that the mounting base 5 is in place. Maintain good stability during work.

In this embodiment, the sampling arm 51 is provided with a mounting port, and the mounting block 6 is movably installed in the mounting port. A limiting screw is threadedly installed on the sampling arm 51. One end of the limiting screw extends into the mounting port and is threadedly installed on the mounting block. 6, an end of the limit screw rod away from the installation block 6 is fixedly sleeved with an adjustment wheel to facilitate the disassembly and assembly of the installation block 6.

The involved circuits, electronic components, modules, etc. can all be implemented using existing technologies, which can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software, cables, and methods.

Working principle: When in use, first turn on the power, and drive the motor 4 to control the worm 41 to drive the worm wheel 43 to rotate, thereby controlling the rotation of the hollow column 3, and then controlling the deflection of the sampling needle 61 based on the cylindrical box 1 as the center, and at the same time The screw rod 32 is driven to rotate with the cooperation of the bevel gear one 42, the bevel gear two 45, the rotating pin 44, the driving gear 46 and the driven gear 47, so that the inner wire sleeve 31 can slide upward along the axial direction of the hollow column 3, thereby enabling Adjust the height of the sampling needle 61. After the angle adjustment of the sampling needle 61 is completed, the driving motor 4 is turned off and the biaxial motor 23 is started. The biaxial motor 23 controls the two sliders 21 below through the two adjusting screw rods 24. Slide in the direction of approaching each other, and with the cooperation of the two telescopic frames 22, the two upper slide blocks 21 and the two guide rods 25, the lifting plate 2 can be controlled to move upward, so that the sampling needle 61 can be adjusted to the required height. By controlling the movement of the sampling arm 51 through the electric cylinder 52, the distance between the sampling needle 61 and the cylindrical box 1 can be adjusted, thereby enabling three-dimensional adjustment of the sampling needle 61, thereby facilitating the sampling operation through the sampling needle 61.

The three-dimensional sampling mechanism for a fully automatic chemiluminescence instrument provided by the present invention has been introduced in detail above. This article uses specific embodiments to illustrate the principles and implementation methods of the present utility model. The description of the above embodiments is only used to help understand the method and the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection of the claims of the present utility model. within the range.

Claims (8)

1. The three-dimensional sampling mechanism for the full-automatic luminous instrument is characterized by comprising a cylindrical box (1), a sampling arm (51), a lifting assembly, a lifting adjusting mechanism, an electric cylinder (52), a hollow column (3), an inner wire sleeve (31), a screw (32) and a sampling needle (61);

the bottom fixed mounting of cylindricality case (1) has the support, slidable mounting has lifter plate (2) on the inner wall of cylindricality case (1), lifting unit sets up on the bottom inner wall of lifter plate (2) and cylindricality case (1), hollow post (3) rotate the top side of installing in lifter plate (2), interior silk sleeve (31) axial sliding mounting is in hollow post (3), screw rod (32) screw thread is installed in interior silk sleeve (31), and screw rod (32) rotation is installed on lifter plate (2), lifting adjustment mechanism sets up on lifter plate (2), and lifting adjustment mechanism is connected with screw rod (32) and hollow post (3), the top of interior silk sleeve (31) extends to cylindricality case (1) top and fixed mounting have mount pad (5), sample arm (51) slidable mounting is on mount pad (5), and the work end and the sample arm (51) of electric cylinder (52) are installed on mount pad (5), but sample arm (51) fixed mounting needle (6) are installed in fixed mounting block (6).

2. A three-dimensional sampling mechanism for an automated luminescence apparatus according to claim 1, wherein: the lifting adjusting mechanism comprises a driving motor (4), a worm (41), a worm wheel (43), a rotating pin (44), a first bevel gear (42), a second bevel gear (45), a driving gear (46) and a driven gear (47), wherein the driving motor (4) is fixedly arranged on the top side of the lifting plate (2), the worm (41) is fixedly connected to an output shaft of the driving motor (4), the rotating pin (44) is rotatably arranged on the lifting plate (2), the second bevel gear (45) and the driving gear (46) are fixedly sleeved at two ends of the rotating pin (44) respectively, the driven gear (47) is fixedly sleeved at the bottom end of the screw (32) and extends to the lower part of the lifting plate (2), the driving gear (46) is meshed with the driven gear (47), the first bevel gear (42) is fixedly sleeved on the worm (41), the first bevel gear (42) is meshed with the second bevel gear (45), and the worm (41) is meshed with the worm gear (43).

3. A three-dimensional sampling mechanism for an automated luminescence apparatus according to claim 1, wherein: two strip-shaped grooves are formed in the inner wall of the hollow column (3), two guide blocks are fixedly arranged on the outer side of the inner wire sleeve (31), and the two guide blocks are respectively and slidably arranged in the corresponding guide grooves.

4. A three-dimensional sampling mechanism for an automated luminescence apparatus according to claim 1, wherein: the lifting assembly comprises four sliding blocks (21), a double-shaft motor (23), two telescopic frames (22) and two adjusting screw rods (24), wherein the two sliding blocks (21) are respectively and slidably arranged on the bottom side of the lifting plate (2) and the inner wall of the bottom of the cylindrical box (1), the two telescopic frames (22) are hinged to the four sliding blocks (21), the two telescopic frames (22) are arranged in parallel, the double-shaft motor (23) is fixedly arranged on the inner wall of the bottom of the cylindrical box (1), the adjusting screw rods (24) are fixedly connected to two output shafts of the double-shaft motor (23) in the axial direction, the two adjusting screw rods (24) are respectively and symmetrically arranged on the basis of the double-shaft motor (23) serving as the center.

5. The three-dimensional sampling mechanism for an automated luminescence apparatus of claim 4, wherein: two fixed blocks are fixedly arranged on the bottom side of the lifting plate (2), two guide rods (25) are fixedly arranged on one sides, close to each other, of the two fixed blocks, the two guide rods (25) are arranged in parallel, and the two guide rods (25) are in sliding connection with the two sliding blocks (21) above.

6. A three-dimensional sampling mechanism for an automated luminescence apparatus according to claim 1, wherein: the top side of mount pad (5) fixed mounting has the dog, and one side fixed mounting of dog has the horizontal pole, horizontal pole and sampling arm (51) sliding connection.

7. A three-dimensional sampling mechanism for an automated luminescence apparatus according to claim 1, wherein: the sampling arm (51) is provided with a mounting opening, the mounting block (6) is movably mounted in the mounting opening, the sampling arm (51) is provided with a limit screw rod in a threaded manner, one end of the limit screw rod extends into the mounting opening and is mounted on the mounting block (6) in a threaded manner, and one end of the limit screw rod, which is far away from the mounting block (6), is fixedly sleeved with an adjusting wheel.

8. A three-dimensional sampling mechanism for an automated luminescence apparatus according to claim 1, wherein: the outside rotation of cylindricality case (1) is installed and is rotated ring (11), and fixed mounting has telescopic link (12) on the ring (11), and the top fixed mounting of telescopic link (12) is in the bottom side of mount pad (5).