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CN-122006322-A - Automatic screen changing device

CN122006322ACN 122006322 ACN122006322 ACN 122006322ACN-122006322-A

Abstract

The invention relates to the technical field of viscous fluid filters, in particular to an automatic screen changing device which comprises a bottom plate, a discharging mechanism, a rotating mechanism and a pushing mechanism, wherein the discharging mechanism is arranged on the bottom plate and is used for providing a filter screen for the filtering mechanism, one end of the rotating mechanism is connected with the discharging mechanism and is used for changing the position of the discharging mechanism, the pushing mechanism is arranged on the discharging mechanism, the output end of the pushing mechanism is provided with a moving mechanism, the moving mechanism is connected with the other end of the rotating mechanism, a pressure detection module which is electrically connected with the pushing mechanism is arranged on the contact surface of the moving mechanism and the filter screen, and the pushing mechanism can synchronously drive the discharging mechanism to move when pushing the moving mechanism to move so as to change the output length between the filter screen and the filtering mechanism and elongate the filter screen. The problems that the screen replacement is easy to loosen and the filtering effect is poor due to manual adjustment are solved, the screen replacement action can be completed without stopping, the filtering continuity, the filtering precision and the filtering production efficiency are improved, and the requirements of continuous and automatic production are met.

Inventors

  • JIA JUNXI
  • LIU QIANG
  • XUE WENLONG
  • WANG HAOYU
  • Si Honglan
  • HUANG WEIWEI
  • FENG HOUJUN
  • ZHAN GUOLONG
  • YU TAO

Assignees

  • 大禹节水集团股份有限公司

Dates

Publication Date
20260512
Application Date
20260416

Claims (10)

  1. 1. An automatic screen changing device for changing a filter screen (10) in a filter mechanism (6), characterized by comprising: a bottom plate (1); The discharging mechanism (2) is arranged on the bottom plate (1) and is used for providing the filter screen (10) for the filtering mechanism (6); the rotating mechanism (3) is arranged on the discharging mechanism (2), one end of the rotating mechanism is connected with the discharging mechanism (2) and is used for changing the position of the discharging mechanism (2); The pushing mechanism (5) is arranged on the discharging mechanism (2), the output end of the pushing mechanism (5) is provided with a moving mechanism (4), the moving mechanism (4) is connected with the other end of the rotating mechanism (3), the moving mechanism (4) is contacted with the filter screen (10), the contact surface of the moving mechanism (4) and the filter screen (10) is provided with a pressure detection module, and the pressure detection module is electrically connected with the pushing mechanism (5); The pressure detection module is used for detecting pressure of the filter screen (10), when the pressure of the filter screen (10) is lower than a preset value, the pushing mechanism (5) can synchronously drive the discharging mechanism (2) to move when pushing the moving mechanism (4) to move, the output length between the filter screen (10) and the filter mechanism (6) is changed, and the filter screen (10) is lengthened.
  2. 2. The automatic screen changing device according to claim 1, wherein an electric box (12) is arranged on the bottom plate (1), and the electric box (12) is connected with the pushing mechanism (5); the pushing mechanism (5) comprises an air pump (51) arranged on the electric box (12), a pushing rod (52) is arranged in the air pump (51), and a connecting pad (53) is arranged at the output end of the pushing rod (52).
  3. 3. An automatic screen changing device according to claim 1 or 2, characterized in that the moving mechanism (4) is connected with the pushing mechanism (5), and the bottom plate (1) is provided with a second chute (13); The moving mechanism (4) comprises a pushing plate (41) connected with the pushing mechanism (5), a third chute (42) is formed in the pushing plate (41), the third chute (42) is connected with the filtering mechanism (6), a second limiting strip (43) is arranged on one side of the pushing plate (41), and the second limiting strip (43) is connected with the second chute (13); A movable rod (44) is inserted into the pushing plate (41), one end of the movable rod (44) is connected with a connecting shell (45), and a bending rod (46) is arranged in the connecting shell (45) and used for changing the output angle of the filter screen (10); a first compression spring (47) is further arranged between the connecting shell (45) and the pushing plate (41), and the first compression spring (47) is used for resetting the bending rod (46); The bottom plate (1) is provided with the movable rod (44), the connecting shell (45), the bending rod (46) and the first compression spring (47), and is oppositely arranged with the third sliding groove (42), and is used for extruding the filter screen (10) and improving the relaxation degree of the filter screen (10).
  4. 4. The automatic screen changing device according to claim 3, wherein the bottom plate (1) is provided with a first chute (11), and the first chute (11) is connected with the discharging mechanism (2); the discharging mechanism (2) comprises a shell (21), wherein a first limit strip (211) is arranged on one side of the shell (21), and the first limit strip (211) is spliced with the first chute (11); A discharging groove (212) is formed in the shell (21), connecting rods (22) are arranged on two sides of the discharging groove (212), and mounting holes (23) are formed in the outer sides of the connecting rods (22); the connecting rod (22) and the mounting hole (23) are both used for connecting a guide strip (25) for guiding the direction of the filter screen (10); A receiving roller (24) for storing unused filter screens (10) is arranged in the shell (21); One side of the shell (21) close to the rotating mechanism (3) is provided with a connecting plate (26) used for connecting the rotating mechanism (3).
  5. 5. An automatic wire-changing device according to claim 4, characterized in that the guide bar (25) comprises a first mounting cylinder (251) and a second mounting cylinder (252), the first mounting cylinder (251) being connected to the connecting rod (22), the first mounting cylinder (251) being provided in the mounting hole (23) for enabling the guide bar (25) to rotate on the connecting rod (22); A limiting plate (253) and a top plate (254) are further arranged on one side of the second mounting cylinder (252), and are used for guiding the filter screen (10) to bend after the discharge chute (212) discharges; And brackets (255) are connected to the top plate (254) and the first mounting cylinder (251).
  6. 6. The automatic net replacing device according to claim 4, wherein a sleeve connecting rod (31) is arranged on the bottom plate (1), a sleeve (32) is sleeved on the sleeve connecting rod (31), the sleeve (32) is hollow, a plug connecting rod (33) is sleeved in the sleeve (32), and a connecting sleeve (34) is arranged at the end of the plug connecting rod (33); the sleeve (32), the plug rod (33) and the connecting sleeve (34) are at least one and are arranged in mirror image opposition; all the connecting sleeves (34) are respectively arranged on the discharging mechanism (2) and the moving mechanism (4).
  7. 7. The automatic screen changing device according to claim 3, wherein the filtering mechanism (6) is provided with a main body (61), and the main body (61) is provided with a screen inlet (65) and a screen outlet (611); a limit connecting plate (62) is arranged on the main body (61) close to one side of the net inlet (65), and the limit connecting plate (62) is used for being connected with the third sliding groove (42); A bearing plate (63) is arranged beside the inlet (65), and a guide roller (64) is connected to the bearing plate (63) and is used for guiding the filter screen (10) to enter the inlet (65); a scraping plate (610) is arranged on the main body (61) close to one side of the screen outlet (611), and the scraping plate (610) is used for scraping viscous fluid adhered on the filter screen (10).
  8. 8. The automatic screen changing device according to claim 7, wherein a feed port (66) is formed in the main body (61), a cooling mechanism (67) is arranged on one side of the main body (61), and a heating mechanism (69) is arranged on the other side of the cooling mechanism (67); the cooling mechanism (67) is used for cooling the filtered filter screen (10), and the heating mechanism (69) is used for heating the filtered filter screen (10).
  9. 9. The automatic net replacing device according to claim 6, wherein a clamping roller (7) and a net collecting roller (8) are arranged on one side of the bottom plate (1); The net collecting roller (8) is provided with a motor (9) which is used for driving the net collecting roller (8) to rotate, the motor (9) and the net collecting roller (8) are also provided with gears (91), and the motor (9) is positioned on the other side of the bottom plate (1); The connecting end of the clamping roller (7) is provided with a driving roller (94), the driving roller (94) is inserted into the bottom plate (1), the driving roller (94) is provided with a gear (91), and a belt pulley (92) is also arranged, and the gear (91) arranged on the clamping roller (7) is meshed with the gear (91) arranged on the net collecting roller (8); At least two clamping rollers (7) are arranged in a mirror image opposite mode, and two gears (91) which are opposite to each other are meshed with each other; A transmission belt (93) is sleeved on the non-mirror adjacent belt pulley (92) and synchronously drives all the clamping rollers (7) to rotate.
  10. 10. An automatic screen changer according to claim 8, characterized in that the cooling mechanism (67) is provided with a charging mechanism (68), and the charging mechanism (68) is provided with a cooling pipe (681); The cooling pipe (681) is coiled in the cooling mechanism (67) and is used for cooling the viscous fluid adhered on the filter screen (10).

Description

Automatic screen changing device Technical Field The invention relates to the technical field of viscous fluid filters, in particular to an automatic screen changing device. Background The viscous fluid filter is a filtering device for high-viscosity fluid, such as molten plastic, resin colloid, chemical slurry and the like, and can intercept impurities, unmelted particles or gel in the fluid through a filter screen to ensure the purity of the fluid, so that the viscous fluid filter is widely applied to industrial scenes such as plastic extrusion, rubber molding, paint production and the like which need continuous filtration of viscous media. The invention patent with the application number 202411549147.6 discloses an automatic screen changer for a viscous fluid filter and a use method, and relates to the technical field of automatic screen changers. The invention comprises a filtering host machine, a plurality of net drums, a storage unit, a filtering unit and a net moving unit, wherein the storage unit is arranged on the filtering host machine, the filtering host machine is provided with a monitoring unit, and the net moving unit comprises a net moving driving assembly, a condensing assembly and a splitting assembly. The method has the advantages that the method can realize the independent replacement of the filter screen by utilizing the filtering mode of matching multiple groups of filter screens, the normal filtering of viscous fluid is not affected in the process of continuous screen, the automatic screen replacement can be realized when the impurity on the filter screen is more by utilizing the mode of matching the pressure monitoring with the temperature rising melting and the cooling solidification phase, the screen moving process is more stable, the filtering of viscous fluid is not affected due to larger pressure fluctuation, the separation and independent discharging of the filter screen and the waste plastic plate can be realized, and the recycling of the filter screen and the waste plastic plate is realized. The adjustment of the filter screen in the current design is dependent on manual operation, and cannot be dynamically adjusted in real time in the running process of the equipment. When the design defect causes long-term operation of equipment, the filter screen is easy to loose in the screen replacement stage, the tension degree and the filtering effect of the filter screen are seriously affected, and the requirements of continuous and automatic production on the filtering precision and the stability cannot be met. Disclosure of Invention The invention aims to provide an automatic screen replacing device so as to solve the problems in the background technology. In order to achieve the above purpose, the invention provides the following technical scheme that the automatic screen changing device is used for automatically changing a filter screen of a viscous fluid in a filter mechanism and comprises the following components: A bottom plate; the discharging mechanism is arranged on the bottom plate and is used for providing the filter screen for the filtering mechanism; the rotating mechanism is arranged on the discharging mechanism, one end of the rotating mechanism is connected with the discharging mechanism, and the rotating mechanism is used for changing the position of the discharging mechanism; The pushing mechanism is arranged on the discharging mechanism, the output end of the pushing mechanism is provided with a moving mechanism, the moving mechanism is connected with the other end of the rotating mechanism, the moving mechanism is in contact with the filter screen, a pressure detection module is arranged on the contact surface of the moving mechanism and the filter screen, and the pressure detection module is electrically connected with the pushing mechanism; the pressure detection module is used for detecting the pressure degree of the filter screen, when the pressure of the filter screen is lower than a preset value, the pushing mechanism can synchronously drive the discharging mechanism to move when pushing the moving mechanism to move, the output length between the filter screen and the filter mechanism is changed, and the filter screen is lengthened. Preferably, an electric box is arranged on the bottom plate, and the electric box is connected with the pushing mechanism; The pushing mechanism comprises an air pump arranged on the electric box, a pushing rod is arranged in the air pump, and a connecting pad is arranged at the output end of the pushing rod. Preferably, the moving mechanism is connected with the pushing mechanism, and a second chute is formed in the bottom plate; The moving mechanism comprises a pushing plate connected with the pushing mechanism, a third chute is formed in the pushing plate, the third chute is connected with the filter mechanism, a second limit strip is arranged on one side of the pushing plate, and the second limit strip is connected with the se