CN218531694U

CN218531694U - Quality screening device for production and processing of 2-chloronicotinic acid

Info

Publication number: CN218531694U
Application number: CN202221596635.9U
Authority: CN
Inventors: 杨小龙; 陈树华
Original assignee: Chongqing Zengcheng Technology Co ltd
Current assignee: Chongqing Zengcheng Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-02-28
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a quality screening plant is used in 2-chlorine nicotinic acid production and processing, the on-line screen storage device comprises a base, the inside of base is equipped with the screening mechanism that is used for screening 2-chlorine nicotinic acid, the inside of base is equipped with the removal case that the level was placed, the diapire activity of removal incasement chamber has the collecting box, the last fixed surface of removal case has the screening case, the sieve has been placed to the inside level of screening case, screening mechanism comprises screening subassembly and installation component. According to the quality screening device for the production and processing of the 2-chloronicotinic acid, through the matching of the screening component in the screening mechanism, the rotating of the motor is utilized to drive the disc to rotate, when the positioning column rotates around the disc, the positioning plate can horizontally move left and right, the moving box and the screening box are driven to move left and right, the 2-chloronicotinic acid is screened, the moving box can horizontally move left and right by utilizing the stretching of the spring and the telescopic rod, the moving box is limited, and the purpose of screening the 2-chloronicotinic acid is achieved.

Description

Quality screening device for production and processing of 2-chloronicotinic acid

Technical Field

The utility model relates to a chemistry articles for use processing technology field specifically is a quality screening plant is used in 2-chlorine nicotinic acid production and processing.

Background

The 2-chloronicotinic acid is a chemical substance, the appearance and the character of the 2-chloronicotinic acid are grey white to brown powder, the preparation method comprises the steps of taking 3-methylpyridine as a raw material, firstly reacting with hydrogen peroxide to generate N-oxygen-3-methylpyridine, then dripping phosphorus oxychloride into a solvent in the presence of diisopropylamine as an acid binding agent to carry out cyclic chlorination to obtain a mixture of the 2-chloro-5-methylpyridine and the 2-chloro-3-methylpyridine, respectively obtaining the 2-chloro-5-methylpyridine and the 2-chloro-3-methylpyridine by adopting a separation technology combining crystallization and rectification methods, carrying out side chain chlorination on the 2-chloro-3-methylpyridine to obtain the 2-chloro-3-trichloromethylpyridine, and further hydrolyzing to obtain the 2-chloro-3-picolinic formyl chloride or the 2-chloro-3-pyridinecarboxylic acid.

At present, after the 2-chloronicotinic acid is produced and processed, the processed 2-chloronicotinic acid is powdery, the quality of the 2-chloronicotinic acid is different from that of the powdery 2-chloronicotinic acid, and therefore the powdery 2-chloronicotinic acid needs to be screened, but the existing screening device has the problem of insufficient screening effect, the screening can be achieved by screening for many times, the screening efficiency is greatly reduced, meanwhile, the existing screen cannot be detached and cleaned, and the screen is easily blocked to reduce the screening effect.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a quality screening plant is used in 2-chlorine nicotinic acid production and processing possesses the effectual advantage of screening, has solved current screening plant and has had the problem that the screening effect is not good enough.

In order to achieve the above purpose, the utility model provides a following technical scheme: a quality screening device for 2-chloronicotinic acid production and processing comprises a base, wherein a screening mechanism for screening 2-chloronicotinic acid is arranged inside the base, a horizontally placed moving box is arranged inside the base, a collecting box is movably arranged at the bottom wall of an inner cavity of the moving box, a screening box is fixed on the upper surface of the moving box, and a screening plate is horizontally placed inside the screening box;

screening mechanism comprises screening subassembly and installation component, and wherein the screening subassembly is including fixing at the left box of base, the last fixed surface of box has the motor, the outside transmission of motor output shaft is connected with the belt, the diapire of box inner chamber is fixed with the mount pad, the front of mount pad is rotated through the bearing and is connected with the disc, the front of disc and the edge that is located the disc are fixed with the reference column, the left side vertically fixed of removal case has the connecting rod, the left end of connecting rod runs through the left side of base and vertically fixed has the locating plate, the left and right sides wall of removal case inner chamber all is fixed with two springs, the left and right sides wall of removal case inner chamber all is fixed with two telescopic links.

Further, the installation component comprises two fixing plates which are vertically fixed on the left side and the right side of the screening box, two adjacent fixing plates are vertically fixed between one opposite sides of the fixing plates, and two opposite sides of the connecting plates are in threaded connection with screws.

Further, the shape of base is the cuboid that inside is hollow and front, back and upper surface all are lost, the shape of removal case and collecting box is the cuboid that inside is hollow and the upper surface is lost.

Furthermore, the left side and the right side of the collecting box are both fixed with wheel sets, the wheel sets slide on the inner wall of the movable box, and the front of the movable box is hinged with a box door through a hinged shaft.

Furthermore, the springs are sleeved on the outer sides of the telescopic rods on the left side and the right side, the telescopic rods on the left side and the right side are composed of a fixing sleeve and a movable rod, and the movable rod is connected inside the fixing sleeve in a sliding mode.

Furthermore, the locating plate is located in the box, an arc-shaped sliding groove is formed in the front face of the locating plate, the locating column moves inside the arc-shaped sliding groove, a fixing column is vertically fixed to the back face of the disc and located at the circle center, and the fixing column is connected inside the belt in a transmission mode.

Further, the upper surface of sieve is fixed with two baffles, two the upper surface of baffle all is fixed with the handle, the left and right sides of sieve is seted up threaded hole, two the one end that the screw rod is relative runs through the left and right sides of screening case respectively and extends to the inside of screening case and with two screw hole threaded connection, two one side that the screw rod carried on the back mutually all is fixed with the handle.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this quality screening plant is used in 2-chlorine nicotinic acid production and processing through the cooperation of screening subassembly in the screening mechanism, wherein utilizes the rotatory disc that drives of motor to rotate, when making the reference column rotatory around the disc, the locating plate can the level remove about, drive and remove the case and remove about screening case, sieves 2-chlorine nicotinic acid, utilizes the flexible of spring and telescopic link, can make the removal case horizontal migration about, will remove the case and carry on spacingly, reaches the purpose of screening 2-chlorine nicotinic acid.

2. This quality screening plant is used in 2-chlorine nicotinic acid production and processing, through the cooperation of installation component in the screening mechanism, wherein utilize the threaded connection between the screw rod of the left and right sides and the sieve, utilize the screw rod that rotates the left and right sides can install and dismantle the sieve, the sieve after the dismantlement can be washd, avoids piling up too much material on the sieve to block up the sieve, has solved the loaded down with trivial details problem of traditional sieve when dismantling.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a sieving assembly in the sieving mechanism of the present invention;

fig. 3 is the utility model discloses install the subassembly sketch map in the screening mechanism.

In the figure: 1 base, 2 screening mechanisms, 201 box bodies, 202 motors, 203 belts, 204 mounting seats, 205 discs, 206 positioning columns, 207 connecting rods, 208 positioning plates, 209 springs, 210 telescopic rods, 211 fixing plates, 212 connecting plates, 213 screw rods, 3 moving boxes, 4 collecting boxes, 5 screening boxes and 6 screening plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the mass screening device for 2-chloronicotinic acid production and processing in the present embodiment includes a base 1, a screening mechanism 2 for screening 2-chloronicotinic acid is disposed inside the base 1, a horizontally disposed moving box 3 is disposed inside the base 1, a collecting box 4 is disposed on a bottom wall of an inner cavity of the moving box 3, a lower surface of the collecting box 4 is in sliding fit with a bottom wall of the moving box 3, the collecting box 4 can be drawn out from the inside of the moving box 3 by using wheel sets on left and right sides of the collecting box 4, the screened 2-chloronicotinic acid is conveniently processed, a screening box 5 is fixed on an upper surface of the moving box 3, the screen plate 6 and the screening box 5 can be mounted and dismounted through a mounting assembly, a screen plate 6 is horizontally disposed inside the screening box 5, a screen mesh is fixed inside the screen plate 6 and in the center of the screen plate 6, and a discharge port is formed in a bottom wall of the screening box 5 facing the lower surface of the screen plate.

The shape of base 1 is inside hollow and openly, the cuboid of the equal disappearance of back and upper surface, the shape of movable box 3 and collecting box 4 is the cuboid of inside hollow and upper surface disappearance, the left and right sides of collecting box 4 all is fixed with the wheelset, the wheelset slides on the inner wall of movable box 3, the front of movable box 3 articulates through the articulated shaft has the chamber door, the last fixed surface of sieve 6 has two baffles, prevent that 2-chloronicotinic acid from dropping the diapire of screening case 5 when the screening, the upper surface of two baffles all is fixed with the handle, can conveniently take out screening case 5 with sieve 6.

Referring to fig. 2, in order to sieve 2-chloronicotinic acid, the sieving mechanism 2 in this embodiment comprises a sieving assembly and a mounting assembly, wherein the sieving assembly includes a box 201 fixed on the left side of the base 1, the box 201 is shaped as a rectangular body with a hollow interior and a missing right side, a motor 202 is fixed on the upper surface of the box 201, a belt 203 is connected to the outer side of an output shaft of the motor 202 in a transmission manner, the belt 203 is movably arranged inside a mounting opening formed on the upper surface of the box 201, a mounting seat 204 is fixed on the bottom wall of an inner cavity of the box 201, a disc 205 is rotatably connected to the front surface of the mounting seat 204 through a bearing, the mounting seat 204 plays a role of supporting the disc 205, a positioning post 206 is fixed on the front surface of the disc 205 and located at the edge of the disc 205, when the output shaft of the motor 202 drives the belt 203 to start transmission, the positioning column 206 starts to rotate along with the rotation of the disc 205 with the center of the circle of the disc 205, because the positioning column 206 moves inside the arc-shaped chute formed in the front surface of the positioning plate 208, when the positioning column 206 rotates around the disc 205, the positioning plate 208 horizontally moves left and right, the left side of the movable box 3 is vertically fixed with the connecting rod 207, the left end of the connecting rod 207 penetrates through the left side of the base 1 and is vertically fixed with the positioning plate 208, the connecting rod 207 slides inside the through hole formed in the left side of the base 1, the left side wall and the right side wall of the inner cavity of the movable box 3 are both fixed with two telescopic rods 210, and the two telescopic rods 210 are stretched and retracted by the spring 209 and the telescopic rods 210, so that the movable box 3 horizontally moves left and right.

In this example, the equal suit in the outside of telescopic link 210 of left and right sides spring 209, left and right sides telescopic link 210 comprises fixed cover and movable rod, and movable rod sliding connection is in the inside of fixed cover, and locating plate 208 is located box 201, and the arc spout has been seted up in locating plate 208's front, and reference column 206 activity is in the inside of arc spout, and the back of disc 205 just is located centre of a circle department vertical fixation and has the fixed column, and the inside at belt 203 is connected in the fixed column transmission.

It should be noted that, through the cooperation of the sieving assembly in the sieving mechanism 2, the rotation of the motor 202 is used to drive the disc 205 to rotate, so that when the positioning column 206 rotates around the disc 205, the positioning plate 208 horizontally moves left and right to drive the moving box 3 and the sieving box 5 to move left and right, so as to sieve the 2-chloronicotinic acid, and through the extension and contraction of the spring 209 and the telescopic rod 210, the moving box 3 horizontally moves left and right to limit the moving box 3, so as to achieve the purpose of sieving the 2-chloronicotinic acid.

Referring to fig. 3, in order to mount and dismount the screen plate 6, the mounting assembly in this embodiment includes two fixing plates 211 vertically fixed on the left and right sides of the screening box 5, a connecting plate 212 is vertically fixed between opposite sides of two adjacent fixing plates 211, a screw 213 is threadedly connected to each of opposite sides of the two connecting plates 212, and the two screws 213 vertically penetrate through the connecting plates 212 and are movably disposed inside two screw holes formed in opposite sides of the two connecting plates 212.

In this example, threaded holes are formed in the left side and the right side of the sieve plate 6, one ends of the two screws 213 which are opposite to each other penetrate through the left side and the right side of the sieving box 5 respectively and extend into the sieving box 5 and are in threaded connection with the two threaded holes, and handles are fixed on the opposite sides of the two screws 213, so that the screws 213 can be rotated conveniently.

It should be noted that, through the cooperation of the installation components in the screening mechanism 2, wherein the screw rods 213 on the left and right sides are utilized to connect with the screw threads between the screen plates 6, the screen plates 6 can be installed and disassembled by rotating the screw rods 213 on the left and right sides, the disassembled screen plates 6 can be cleaned, the excessive blockage of the screen plates 6 by the materials stacked on the screen plates 6 is avoided, and the problem that the traditional screen plates 6 are complex when being disassembled is solved.

The working principle of the above embodiment is as follows:

(1) When the 2-chloronicotinic acid after production and processing needs to be sieved, the sieve plate 6 is horizontally placed inside the sieving box 5 through the handheld handle, the handles on the left side and the right side are rotated, the screw rods 213 on the left side and the right side are rotated, and the screw rods 213 on the left side and the right side are connected with the connecting plate 212 and the sieving box 5 through threads, so that the screw rods 213 on the left side and the right side move leftwards and rightwards when rotated, the screw rods 213 on the left side and the right side are rotated to enter the left side and the right side of the sieve plate 6, the sieve plate 6 is fixed, at the moment, the 2-chloronicotinic acid which is in powder form after production and processing is poured on the upper surface of the sieve plate 6 and is positioned between two baffles, and the 2-chloronicotinic acid in powder form needs to be sieved at the moment.

(2) The motor 202 located on the upper surface of the box body 201 is started, at the moment, the output shaft of the motor 202 drives the belt 203 to start transmission, the fixed column fixed on the back surface of the disc 205 is driven to start rotating by the transmission of the belt 203, the positioning column 206 fixed on the front surface of the disc 205 starts rotating along with the rotation of the disc 205, the positioning column 206 moves inside the arc-shaped chute formed in the front surface of the positioning plate 208, therefore, when the positioning column 206 rotates around the disc 205 for one circle, the positioning plate 208 horizontally moves left and right, the connecting rod 207 and the moving box 3 start to move left and right, the springs 209 and the telescopic rods 210 arranged on the left and right sides of the moving box 3 can horizontally move the moving box 3 left and right, the screening box 5 and the screening plate 6 are driven to move left and right by the moving box 3, 2-chloronicotinic acid on the screening plate 6 is screened by the screening plate 6, the screened 2-chloronicotinic acid falls into the collecting box 4 through the discharge hole formed in the lower surface of the screening box 5, and the collecting box 4 is taken out of the collecting box 3 by the wheel sets on the inner wall of the moving box 3 in a sliding mode.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a 2-chlorine nicotinic acid is quality screening plant for production and processing, includes base (1), its characterized in that: a screening mechanism (2) for screening 2-chloronicotinic acid is arranged in the base (1), a horizontally placed moving box (3) is arranged in the base (1), a collecting box (4) is movably arranged at the bottom wall of an inner cavity of the moving box (3), a screening box (5) is fixed on the upper surface of the moving box (3), and a screening plate (6) is horizontally placed in the screening box (5);

screening mechanism (2) comprises screening components and installation component, and wherein screening components is including fixing at the left box (201) of base (1), the last fixed surface of box (201) has motor (202), the outside transmission of motor (202) output shaft is connected with belt (203), the diapire of box (201) inner chamber is fixed with mount pad (204), the front of mount pad (204) is rotated through the bearing and is connected with disc (205), the front of disc (205) and the edge that is located disc (205) are fixed with reference column (206), the left side vertical fixation of removal case (3) has connecting rod (207), the left end of connecting rod (207) runs through the left side of base (1) and vertical fixation has locating plate (208), the left and right sides wall of removal case (3) inner chamber all is fixed with two springs (209), the left and right sides wall of removal case (3) inner chamber all is fixed with two telescopic links (210).

2. The mass screening device for the production and processing of 2-chloronicotinic acid as claimed in claim 1, which is characterized in that: the mounting assembly comprises two fixing plates (211) which are vertically fixed at the left side and the right side of the screening box (5), two adjacent fixing plates (211) are vertically fixed with a connecting plate (212) between opposite sides of the fixing plates (211), and two opposite sides of the connecting plate (212) are in threaded connection with a screw (213).

3. The mass screening device for the production and processing of 2-chloronicotinic acid as claimed in claim 1, which is characterized in that: the base (1) is in a hollow rectangular body with the front surface, the back surface and the upper surface missing, and the movable box (3) and the collecting box (4) are in a hollow rectangular body with the upper surface missing.

4. The mass screening device for the production and processing of 2-chloronicotinic acid as claimed in claim 1, which is characterized in that: the left side and the right side of the collecting box (4) are both fixed with wheel sets, the wheel sets slide on the inner wall of the movable box (3), and the front of the movable box (3) is hinged with a box door through a hinged shaft.

5. The mass screening device for the production and processing of 2-chloronicotinic acid as claimed in claim 1, which is characterized in that: the left and right sides spring (209) all the suit is in the outside of telescopic link (210), the left and right sides telescopic link (210) comprise fixed cover and movable rod, and movable rod sliding connection is in the inside of fixed cover.

6. The mass screening device for the production and processing of 2-chloronicotinic acid as claimed in claim 1, which is characterized in that: the positioning plate (208) is located in the box body (201), an arc-shaped sliding groove is formed in the front face of the positioning plate (208), the positioning column (206) moves inside the arc-shaped sliding groove, a fixing column is vertically fixed to the back face of the disc (205) and located at the circle center, and the fixing column is in transmission connection with the inside of the belt (203).

7. The mass screening device for the production and processing of 2-chloronicotinic acid as claimed in claim 2, which is characterized in that: the upper surface of sieve (6) is fixed with two baffles, two the upper surface of baffle all is fixed with the handle, the left and right sides set up threaded hole of sieve (6), two the one end that screw rod (213) is relative runs through the left and right sides of screening case (5) respectively and extends to the inside of screening case (5) and with two screw hole threaded connection, two one side that screw rod (213) carried on the back mutually all is fixed with the handle.