CN118108027A - Automatic feeding manipulator for preparing polymeric ferric sulfate - Google Patents

Abstract

The invention discloses an automatic feeding manipulator for preparing polymeric ferric sulfate, which comprises a manipulator assembly, a double-charging-barrel assembly and a stirring barrel, wherein the manipulator assembly is arranged on the ground through a fixing plate, the double-charging-barrel assembly is detachably arranged at the installation end of the manipulator assembly, the stirring barrel is arranged on the right side of the manipulator assembly, and the left side of the stirring barrel is provided with the existing discharging barrel.

Description

Automatic feeding manipulator for preparing polymeric ferric sulfate

Technical Field

The invention relates to the technical field of manipulators, in particular to an automatic feeding manipulator for preparing polymeric ferric sulfate.

Background

The polymeric ferric sulfate is a special concrete coagulant, is generally used in the fields of water treatment, sewage treatment, sludge dewatering, urban water supply and the like, raw materials of ferric sulfate and rare metal salt are required to be fed into a stirrer to be dissolved to form mixed liquor in the preparation process of the polymeric ferric sulfate, and when the raw materials are put into a procedure of the stirrer, the raw materials are poured into the stirrer one by one in a large amount generally manually or mechanically, so that the situation of scattering and leaking of the raw materials is easily caused, and the raw materials are easily accumulated in the feeding mode, so that the difficulty of uniform stirring is increased, and the working efficiency is reduced.

Disclosure of Invention

The technical problems to be solved are as follows: the invention provides an automatic feeding manipulator for preparing polymeric ferric sulfate, which can solve the problems pointed out in the background technology.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme is adopted by the invention, the automatic feeding manipulator for preparing the polymeric ferric sulfate comprises a manipulator assembly, a double-cylinder assembly and a stirring cylinder, wherein the manipulator assembly is arranged on the ground through a fixed plate, the double-cylinder assembly is detachably arranged at the mounting end of the manipulator assembly, and the stirring cylinder is arranged on the right side of the manipulator assembly.

The manipulator assembly comprises a rotating motor, the rotating motor is installed on a fixed plate through a motor base, the output end of the rotating motor is connected with the fixed end of a lifting cylinder, a fixing ring is installed on the outer wall sleeve of the joint of the output end of the rotating motor and the fixed end of the lifting cylinder, a supporting piece is arranged on the outer wall of the fixed end of the lifting cylinder, an extension arm is installed at the telescopic end of the lifting cylinder, the supporting piece is in sliding connection with the lower end of the extension arm, a 匚 -shaped frame is installed on the left end face of the extension arm, an installation sleeve is installed in front of and behind the left end face of the 匚 -shaped frame in a symmetrical mode, and a driving piece is installed on the 匚 -shaped frame.

The double-charging barrel assembly comprises a charging barrel and a discharging piece, the charging barrel is detachably arranged in a corresponding installation sleeve, a feeding opening is formed in the outer wall of the left side of the charging barrel, a material guiding box is arranged at the position of the feeding opening, the discharging piece is arranged in the charging barrel, the discharging piece is connected with a driving piece, and the discharging opening is formed in the lower end of the charging barrel.

Preferably, the support piece comprises a hoop sleeved on the outer wall of the fixed end of the lifting cylinder, an ear seat is arranged on the outer wall of the left side of the hoop, telescopic supporting rods are arranged on the front side and the rear side of the ear seat through pin shafts, a sliding groove is formed in the lower end face of the extension arm, a penetrating rod is arranged in the sliding groove in a sliding mode, and the outer wall of the penetrating rod is penetrated in telescopic shafts of the two telescopic supporting rods.

Preferably, the driving piece comprises a bottom plate, the bottom plate is arranged at the position, close to the lower end face, of the 匚 -shaped frame, an electric telescopic rod is arranged on the bottom plate, the telescopic end of the electric telescopic rod is connected with the lower end face of the T-shaped connecting plate, transmission rods are symmetrically arranged in front of and behind the lower end face of the T-shaped connecting plate, and the lower end of each transmission rod penetrates through the corresponding material containing barrel.

Preferably, the unloading piece is including scraping the dish, scrapes the lower terminal surface of dish installation at the transfer line, scrapes the dish outer wall and holds the feed cylinder inner wall laminating mutually, scrapes the through-hole of symmetrically having seted up on the dish, and the through-hole is interior to slide and is provided with the montant, and flexible connecting rod is installed to the montant upper end, and flexible connecting rod's upper end is connected with flourishing feed cylinder inner roof, and the montant is close to the outer wall of upper end and lower extreme and has all evenly offered the awl groove along the circumference, and the montant lower extreme is all connected with the piece of opening and shutting.

Preferably, rectangular transverse grooves communicated with the through holes are formed in positions, corresponding to the conical grooves, of the scraping plate, extrusion springs are arranged in the rectangular transverse grooves, and clamping blocks are arranged at one ends, close to the through holes, of the extrusion springs.

Preferably, the opening and closing piece comprises a semicircular plate, the position, close to the feed opening, of the inner wall of the material containing barrel is in a funnel shape, the left and right symmetry of the position, close to the feed opening, of the inner wall of the material containing barrel is provided with a sliding placing cavity, an L-shaped sliding block is arranged in the sliding placing cavity in a sliding mode, a restoring spring is arranged between the L-shaped sliding block and the inner wall of the sliding placing cavity, the semicircular plate is arranged on the L-shaped sliding block, the upper end face of the abutting position of the semicircular plate is provided with a rotating shaft seat, the rotating shaft seat is provided with a rotating rod through a pin shaft, the upper end of the rotating rod is arranged at the lower end of a Y-shaped rod through a pin shaft, and the upper end of the Y-shaped rod is respectively and correspondingly connected with the lower end of a corresponding vertical rod.

Preferably, a guiding limiting cover is arranged at the lower end of the discharging opening of the material containing barrel, the diameter of the guiding limiting cover is of a structure gradually increasing from top to bottom, a feeding pipe corresponding to the discharging opening of the material containing barrel is arranged on the upper end face of the stirring barrel, and the diameter of the feeding pipe is matched with the diameter of the discharging opening.

The beneficial effects are that:

1. the mechanical arm assembly drives the double-charging barrel assembly to quantitatively divide the two raw materials and simultaneously receive the materials, move and convey the materials and simultaneously throw the materials into the stirrer, the materials can be divided and thrown, the discharging opening can be simultaneously opened and closed, the inner wall of the charging barrel can be scraped and cleaned when the discharging is carried out, the inner wall is prevented from being sticky, the materials are simultaneously thrown into the stirring barrel through the double barrels, the stirring uniformity and the stirring efficiency are greatly improved, and the situation that the materials are scattered and leaked is effectively prevented.

2. After the double-charging-barrel assembly is moved to the material receiving position through the cooperation of the rotating motor and the lifting cylinder to finish material receiving, a certain angle is rotated again, the double-charging-barrel assembly is driven to move upwards to the upper part of the feeding pipe of the stirring barrel by lifting at the same time, the lifting cylinder drives the double-charging-barrel assembly to move downwards to enable the guide limiting cover and the two feeding pipes to be in accurate butt joint respectively, and therefore the feeding can be performed in the stirring barrel quantitatively for a plurality of times, and the uniformity and efficiency of raw material mixing are improved.

3. The T-shaped connecting plate, the two transmission rods and the scraping plate are driven to move downwards synchronously by the electric telescopic rod, and the semicircular plates in the opening and closing piece are driven to move and separate towards two sides synchronously to synchronously open the feed inlets of the two charging barrels for feeding, so that the inner walls of the charging barrels can be scraped and cleaned when the discharging is carried out, the inner walls are prevented from being sticky, materials are prevented from entering the stirring barrel through the double barrels, and the stirring uniformity and efficiency can be greatly improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front cross-sectional view of the present invention.

Fig. 3 is a cross-sectional view taken along A-A of fig. 2 in accordance with the present invention.

Fig. 4 is an enlarged view of fig. 3B of the present invention.

Fig. 5 is an enlarged view of fig. 3C of the present invention.

Fig. 6 is a D-D cross-sectional view of fig. 3 in accordance with the present invention.

Fig. 7 is an E-E cross-sectional view of fig. 3 in accordance with the present invention.

In the figure: 1. a manipulator assembly; 11. a rotating motor; 12. a lifting cylinder; 13. a stabilizing ring; 14. a support; 141. a ferrule; 142. a telescopic support rod; 143. a slip groove; 144. a rod is penetrated; 15. an extension arm; 16. 匚 -shaped frames; 17. a mounting sleeve; 18. a driving member; 181. a bottom plate; 182. an electric telescopic rod; 183. t-shaped connecting plates; 184. a transmission rod; 2. a dual cartridge assembly; 21. a material containing cylinder; 22. a blanking member; 221. scraping a disc; 222. a vertical rod; 223. a telescopic connecting rod; 224. rectangular transverse grooves; 225. extruding a spring; 226. a clamping block; 22a, a conical groove; 23. a guide box; 24. a feed opening; 25. an opening and closing member; 251. a semicircular plate; 252. a sliding placement cavity; 253. an L-shaped slider; 254. a restoring spring; 255. a rotating shaft seat; 256. a rotating lever; 257. a Y-shaped rod; 26. a guide limit cover; 3. a stirring cylinder; 31. and (5) feeding a pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, the present invention provides a technical solution: the automatic feeding manipulator for preparing the polymeric ferric sulfate comprises a manipulator assembly 1, a double-material-cylinder assembly 2 and a stirring cylinder 3, wherein the manipulator assembly 1 is installed on the ground through a fixed plate, the double-material-cylinder assembly 2 is detachably installed at the installation end of the manipulator assembly 1, and the stirring cylinder 3 is placed on the right side of the manipulator assembly 1; the mechanical arm assembly 1 rotates, moves up and down to drive the double-charging barrel assembly 2 to move to the existing storage box position, ferric sulfate and rare metal salt are received and enter the double-charging barrel assembly 2, and then the mechanical arm assembly 1 drives the double-charging barrel assembly 2 to move to the receiving position of the stirring barrel 3, so that blanking is performed.

Referring to fig. 2, in this embodiment, the manipulator assembly 1 includes a rotating motor 11, the rotating motor 11 is mounted on a fixed plate through a motor base, an output end of the rotating motor 11 is connected with a fixed end of a lifting cylinder 12, a fixing ring 13 is sleeved on an outer wall of a connection portion between the output end of the rotating motor 11 and the fixed end of the lifting cylinder 12, a supporting member 14 is disposed on an outer wall of the fixed end of the lifting cylinder 12, an extension arm 15 is mounted at a telescopic end of the lifting cylinder 12, the supporting member 14 is slidably connected with a lower end of the extension arm 15, a 匚 -shaped frame 16 is mounted at a left end face of the extension arm 15, mounting sleeves 17 are symmetrically mounted on a left end face of the 匚 -shaped frame 16, and driving members 18 are mounted on the 匚 -shaped frame 16.

The support 14 comprises a sleeve hoop 141 sleeved on the outer wall of the fixed end of the lifting cylinder 12, an ear seat is arranged on the outer wall of the left side of the sleeve hoop 141, telescopic support rods 142 are mounted on the front side and the rear side of the ear seat through pin shafts, sliding grooves 143 are formed in the lower end faces of the extension arms 15, penetrating rods 144 are mounted in the sliding grooves 143 in a sliding mode, and the outer walls of the penetrating rods 144 are penetrated in telescopic shafts of the two telescopic support rods 142.

During operation, the rotating motor 11 is started to drive the lifting cylinder 12 and the double-charging-barrel assembly 2 to rotate to a material receiving position, the lifting cylinder 12 drives the double-charging-barrel assembly 2 to ascend to move to accurately butt-joint material receiving, after material receiving is completed, the rotating motor 11 rotates to move the angle, meanwhile, the lifting cylinder 12 drives the double-charging-barrel assembly 2 to move upwards to the upper part of the stirring barrel 3, and when the double-charging-barrel assembly 2 moves to a specified material discharging position, the lifting cylinder 12 drives the double-charging-barrel assembly 2 to move downwards to butt-joint the stirring barrel 3 for material feeding.

Referring to fig. 2 and 3, in this embodiment, the dual-charging-barrel assembly 2 includes a charging barrel 21 and a discharging member 22, the charging barrel 21 is detachably mounted in a corresponding mounting sleeve 17, a charging port is formed on the left outer wall of the charging barrel 21, a material guiding box 23 is disposed at the charging port, the discharging member 22 is disposed in the charging barrel 21, the discharging member 22 is connected with the driving member 18, a discharging port 24 is disposed at the lower end of the charging barrel 21, a guiding limiting cover 26 is mounted at the lower end of the discharging port 24 of the charging barrel 21, the diameter of the guiding limiting cover 26 is in a structure that gradually increases from top to bottom, a feeding pipe 31 corresponding to the discharging port 24 of the charging barrel 21 is disposed at the upper end surface of the stirring barrel 3, and the diameter of the feeding pipe 31 is matched with the diameter of the discharging port 24. During operation, in making things convenient for the material to get into flourishing feed cylinder 21 through guide box 23, after flourishing feed cylinder 21 fills the material and removes the butt joint of churn 3 upper end after accomplishing, blanking piece 22 cooperatees with driving piece 18, can carry out the simultaneous unloading to the material in two flourishing feed cylinders 21 simultaneously, can make the accurate butt joint of feed opening 24 and inlet pipe 31 through direction limiting cover 26.

The driving member 18 comprises a bottom plate 181, the bottom plate 181 is arranged at the position, close to the lower end surface, of the 匚 -shaped frame 16, an electric telescopic rod 182 is arranged on the bottom plate 181, the telescopic end of the electric telescopic rod 182 is connected with the lower end surface of a T-shaped connecting plate 183, a transmission rod 184 is symmetrically arranged in front of and behind the lower end surface of the T-shaped connecting plate 183, the lower end of the transmission rod 184 is arranged in the material containing barrel 21 in a penetrating manner, and when the driving member is in operation, the electric telescopic rod 182 drives the two transmission rods 184 to synchronously move through the T-shaped connecting plate 183, so that the synchronous movement of the blanking member 22 is driven.

Referring to fig. 5 and 7, the blanking member 22 includes a scraping plate 221, the scraping plate 221 is mounted on the lower end surface of the transmission rod 184, the outer wall of the scraping plate 221 is attached to the inner wall of the material containing barrel 21, through holes are symmetrically formed in the scraping plate 221, vertical rods 222 are slidably arranged in the through holes, telescopic connecting rods 223 are mounted at the upper ends of the vertical rods 222, the upper ends of the telescopic connecting rods 223 are connected with the inner top wall of the material containing barrel 21, conical grooves 22a are uniformly formed in the outer walls, close to the upper ends and the lower ends, of the vertical rods 222 along the circumference, and the lower ends of the vertical rods 222 are connected with the opening and closing member 25; rectangular transverse grooves 224 communicated with the through holes are formed in the positions, corresponding to the conical grooves 22a, of the scraping plate 221, extrusion springs 225 are arranged in the rectangular transverse grooves 224, and clamping blocks 226 are arranged at one ends, close to the through holes, of the extrusion springs 225; when the scraper rod 184 moves downwards, the scraper 221 is driven to move synchronously, the clamping block 226 is clamped in the conical groove 22a at the upper side under the action of the extrusion spring 225, the scraper 221 moves downwards to drive the telescopic connecting rod 223 to extend so that the vertical rod 222 moves downwards along with the telescopic connecting rod, the opening and closing piece 25 is opened to throw materials, after the telescopic connecting rod 223 extends downwards to the longest, the electric telescopic rod 182 continues to drive the scraper 221 to move downwards, at the moment, the clamping block 226 and the lower pressure of the conical groove at the upper side drive the clamping block 226 to move into the rectangular transverse groove 224, so that the scraper 221 slides downwards on the vertical rod 222, the residual materials on the inner wall of the material containing cylinder 21 can be scraped and cleaned through the scraper 221, after the material throwing is finished, the scraper 221 also moves to the lowest part, the clamping block 226 is clamped in the conical groove 22a at the lower side, then the electric telescopic connecting rod 182 starts to drive the scraper 221 to move upwards, the scraper 221 is extruded and contracted through the vertical rod 222, and when the telescopic connecting rod 223 is restored to the original state, the clamping block 226 moves upwards from the conical groove 22a position at the end, and finally the scraper 226 moves upwards from the conical groove 22a position.

Referring to fig. 4 and 6, the opening and closing member 25 includes a semicircular plate 251, the inner wall of the material containing barrel 21 is in a funnel shape near the position of the feed opening 24, a sliding placement cavity 252 is symmetrically provided on the left and right sides of the inner wall of the material containing barrel 21 at the position of the feed opening 24, an L-shaped sliding block 253 is slidably provided in the sliding placement cavity 252, a restoring spring 254 is installed between the L-shaped sliding block 253 and the inner wall of the sliding placement cavity 252, the semicircular plate 251 is installed on the L-shaped sliding block 253, the upper end surface of the abutting position of the semicircular plate 251 is installed with a rotating shaft seat 255, the rotating shaft seat 255 is installed with a rotating rod 256 through a pin shaft, the upper end of the rotating rod 256 is installed at the lower end of a Y-shaped rod 257 through a pin shaft, and the upper end of the Y-shaped rod 257 is respectively connected with the lower end of the corresponding vertical rod 222. When the vertical rod 222 moves downwards to drive the Y-shaped rod 257 to move downwards, the rotating rod 256 is pressed downwards to rotate to drive the semicircular plate 251 to extrude the restoring spring 254 and slide into the sliding placing cavity 252, the material discharging opening 24 is opened, the material cylinder discharging opening 24 enters the stirring cylinder 3, and when the vertical rod 222 moves upwards, the semicircular plate 251 is driven to slide from the sliding placing cavity 252 to be matched with the material discharging opening 24 to be closed.

Different materials are contained by the two containing barrels 21, and the materials are simultaneously fed by the two feeding pipes 31 at different positions, so that the stirring uniformity can be improved.

In the concrete working process, the rotating motor 11 is started to drive the lifting air cylinder 12 and the double-cylinder assembly 2 to rotate to the material receiving position under the material discharging cylinder, then the lifting air cylinder 12 drives the double-cylinder assembly 2 to ascend to move and accurately butt the material to be received, after the material receiving is completed, the lifting air cylinder 12 simultaneously drives the double-cylinder assembly 2 to move upwards to the upper part of the stirring cylinder 3 through the rotating angle of the rotating motor 11, the lifting air cylinder 12 drives the double-cylinder assembly 2 to move downwards to butt the stirring cylinder 3 for feeding, the discharging opening 24 can be accurately butted with the material feeding pipe 31 through the guiding limiting cover 26, the electric telescopic rod 182 drives the two transmission rods 184 and the scraping disc 221 to move downwards synchronously through the T-shaped connecting plate 183, the clamping block 226 is clamped in the conical groove 22a at the upper side under the action of the extrusion spring 225, the scraping disc 221 moves downwards to drive the telescopic connecting rod 223 to stretch so that the vertical rod 222 moves downwards, the Y-shaped rod 257 moves downwards along with the vertical rod 222, the rotating rod 256 is pressed down to rotate so as to drive the semicircular plate 251 to extrude the restoring spring 254 and slide into the sliding placing cavity 252, the discharging opening 24 is opened, the discharging opening 24 of the material cylinder enters the stirring cylinder 3, when the telescopic connecting rod 223 stretches down to the longest, the electric telescopic rod 182 continuously drives the scraping plate 221 to move down, at the moment, the clamping block 226 and the downward pressure of the conical groove 22a on the upper side drive the clamping block 226 to move into the rectangular transverse groove 224, the scraping plate 221 slides down on the vertical rod 222, the scraping plate 221 can scrape and clean the residual material on the inner wall of the material containing cylinder 21, after the material feeding is completed, the scraping plate 221 also moves to the lowest part, the clamping block 226 is clamped in the conical groove 22a on the lower side, then the electric telescopic rod 182 starts to drive the scraping plate 221 to move up, the scraping plate 221 moves up firstly to extrude and shrink the telescopic connecting rod 223 through the upward movement of the vertical rod 222, when the vertical rod 222 moves upwards, the semicircular plate 251 is driven to slide out of the sliding placing cavity 252 to be matched with the sliding placing cavity to close the blanking opening 24, when the telescopic connecting rod 223 is restored to the original state, the upward force of the clamping block 226 enables the clamping block 226 to slide out of the conical groove 22a at the lower side, and finally the scraping plate 221 moves to the original position on the vertical rod 222; according to the application, not only can the materials be fed in a split manner, but also the feed opening 24 can be opened and closed simultaneously, and the inner wall of the material containing cylinder 21 can be scraped and cleaned while the feeding is performed, so that the inner wall is prevented from being sticky, the materials are fed into the stirring barrel simultaneously through double cylinders, and the stirring uniformity and stirring efficiency can be greatly improved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a polymeric ferric sulfate preparation is with automatic feeding manipulator, includes manipulator subassembly (1), double feed cylinder subassembly (2) and churn (3), its characterized in that: the mechanical arm assembly (1) is installed on the ground through a fixed plate, the installation end of the mechanical arm assembly (1) is detachably provided with a double-charging-barrel assembly (2), the stirring barrel (3) is placed on the right side of the mechanical arm assembly (1), and the left side of the stirring barrel is provided with an existing discharging barrel;

The manipulator assembly (1) comprises a rotating motor (11), the rotating motor (11) is installed on a fixed plate through a motor base, the output end of the rotating motor (11) is connected with the fixed end of a lifting cylinder (12), a fixing ring (13) is sleeved on the outer wall of the joint of the output end of the rotating motor (11) and the fixed end of the lifting cylinder (12), a supporting piece (14) is arranged on the outer wall of the fixed end of the lifting cylinder (12), an extension arm (15) is installed at the telescopic end of the lifting cylinder (12), the supporting piece (14) is in sliding connection with the lower end of the extension arm (15), a 匚 -shaped frame (16) is installed on the left end face of the extension arm (15), an installation sleeve (17) is installed in front-back symmetry on the left end face of the 匚 -shaped frame (16), and a driving piece (18) is installed on the 匚 -shaped frame (16);

The double-charging barrel assembly (2) comprises a charging barrel (21) and a discharging piece (22), the charging barrel (21) is detachably arranged in a corresponding mounting sleeve (17), a charging hole is formed in the left outer wall of the charging barrel (21), a material guiding box (23) is arranged at the position of the charging hole, the discharging piece (22) is arranged in the charging barrel (21), the discharging piece (22) is connected with a driving piece (18), and a discharging hole (24) is formed in the lower end of the charging barrel (21).

2. The automatic feeding manipulator for preparing polymeric ferric sulfate according to claim 1, wherein: the support piece (14) comprises a hoop (141) sleeved on the outer wall of the fixed end of the lifting cylinder (12), an ear seat is arranged on the outer wall of the left side of the hoop (141), telescopic support rods (142) are arranged on the front side and the rear side of the ear seat through pin shafts, sliding grooves (143) are formed in the lower end faces of the extension arms (15), penetrating rods (144) are arranged in the sliding grooves (143) in a sliding mode, and the outer walls of the penetrating rods (144) penetrate through telescopic shafts of the two telescopic support rods (142).

3. The automatic feeding manipulator for preparing polymeric ferric sulfate according to claim 1, wherein: the driving piece (18) comprises a bottom plate (181), the bottom plate (181) is arranged at the position, close to the lower end face, of the 匚 -shaped frame (16), an electric telescopic rod (182) is arranged on the bottom plate (181), the telescopic end of the electric telescopic rod (182) is connected with the lower end face of a T-shaped connecting plate (183), a transmission rod (184) is symmetrically arranged in front of and behind the lower end face of the T-shaped connecting plate (183), and the lower end of the transmission rod (184) penetrates through the material containing barrel (21).

4. The automatic feeding manipulator for preparing polymeric ferric sulfate according to claim 1, wherein: the blanking piece (22) comprises a scraping disc (221), the scraping disc (221) is arranged on the lower end face of the transmission rod (184), the outer wall of the scraping disc (221) is attached to the inner wall of the material containing barrel (21), through holes are symmetrically formed in the scraping disc (221), vertical rods (222) are slidably arranged in the through holes, telescopic connecting rods (223) are arranged at the upper ends of the vertical rods (222), the upper ends of the telescopic connecting rods (223) are connected with the inner top wall of the material containing barrel (21), conical grooves (22 a) are uniformly formed in the outer walls, close to the upper ends and the lower ends, of the vertical rods (222), and the lower ends of the vertical rods are connected with the opening and closing pieces (25).

5. The automatic feeding manipulator for preparing polymeric ferric sulfate as claimed in claim 4, wherein: rectangular transverse grooves (224) communicated with the through holes are formed in positions, corresponding to the conical grooves (22 a), of the scraping plate (221), extrusion springs (225) are arranged in the rectangular transverse grooves (224), and clamping blocks (226) are arranged at one ends, close to the through holes, of the extrusion springs (225).

6. The automatic feeding manipulator for preparing polymeric ferric sulfate as claimed in claim 4, wherein: the opening and closing piece (25) comprises a semicircular plate (251), the position, close to the blanking opening (24), of the inner wall of the charging barrel (21) is funnel-shaped, a sliding placement cavity (252) is symmetrically formed in the left and right direction of the position, close to the blanking opening (24), of the inner wall of the charging barrel (21), an L-shaped sliding block (253) is arranged in the sliding placement cavity (252) in a sliding mode, a restoring spring (254) is arranged between the L-shaped sliding block (253) and the inner wall of the sliding placement cavity (252), the semicircular plate (251) is arranged on the L-shaped sliding block (253), a rotating shaft seat (255) is arranged on the upper end face of the abutting position of the semicircular plate (251), rotating rods (256) are arranged on the rotating shaft seat (255) through pin shafts, the upper ends of the rotating rods (256) are arranged at the lower ends of Y-shaped rods (257) through pin shafts, and the upper ends of the Y-shaped rods (257) are respectively correspondingly connected with the lower ends of corresponding vertical rods (222).

7. The automatic feeding manipulator for preparing polymeric ferric sulfate according to claim 1, wherein: the lower end position of the feed opening (24) of the feed cylinder (21) is provided with a guide limiting cover (26), the diameter of the guide limiting cover (26) is of a structure gradually increasing from top to bottom, the upper end face of the stirring cylinder (3) is provided with a feed pipe (31) corresponding to the feed opening (24) of the feed cylinder (21), and the diameter of the feed pipe (31) is matched with the diameter of the feed opening (24).