阅读说明：本技术 一种离心机转鼓自动组装设备 (Automatic assembling equipment for centrifuge drum ) 是由 孙永达 范春阳 谷正军 于 2021-11-17 设计创作，主要内容包括：本发明涉及离心机组装领域,尤其涉及一种离心机转鼓自动组装设备。技术问题：往复的起卷和展平滤网,将导致滤网的延展性能受损,并且多次的对滤网进行裁剪工作,严重影响转鼓的组装效率。技术方案：一种离心机转鼓自动组装设备,包括有第一固定架、第一电机和夹持盘等；第一固定架左侧的中部连接有第一电机；第一固定架左侧的中部连接有夹持盘。本发明通过设置了内径测量和高度测量部件,同步对转鼓的内径和内壁高度进行测量,并且预留了压边空间,实现了对转鼓进行自动化数据采集工作。(The invention relates to the field of centrifuge assembly, in particular to automatic centrifuge drum assembly equipment. The technical problem is as follows: the reciprocating rolling and flattening of the filter screen can cause the expansion performance of the filter screen to be damaged, and the filter screen is cut for many times, thereby seriously influencing the assembly efficiency of the rotary drum. The technical scheme is as follows: an automatic assembling device for a centrifuge drum comprises a first fixing frame, a first motor, a clamping disc and the like; the middle part of the left side of the first fixing frame is connected with a first motor; the middle part of the left side of the first fixing frame is connected with a clamping disc. According to the invention, the inner diameter measurement component and the height measurement component are arranged, the inner diameter and the inner wall height of the rotary drum are synchronously measured, and the blank pressing space is reserved, so that the automatic data acquisition work of the rotary drum is realized.)

1. An automatic assembling device for a centrifuge drum comprises a first fixing frame (1), a first motor (2) and a clamping disc (3); the middle part of the left side of the first fixed frame (1) is connected with a first motor (2); the middle part of the left side of the first fixed frame (1) is connected with a clamping disc (3); an output shaft of the first motor (2) is connected with the clamping disc (3); the method is characterized in that: comprises a transfer unit, an inner diameter measuring unit, a height measuring unit, a bolt fastening unit and a blank pressing unit; the upper part of the first fixing frame (1) is connected with a transfer unit which provides transverse movement and turnover functions; the left part of the transfer unit is connected with an inner diameter measuring unit for measuring the inner diameter of the rotary drum, and the inner diameter measuring unit is positioned above the clamping disc (3); the left part of the transfer unit is connected with a height measuring unit for measuring the height of the rotary drum, the left part of the transfer unit is connected with a bolt fastening unit for locking the rotary drum, the left part of the transfer unit is connected with a blank pressing unit for turning and pressing the screen, and the height measuring unit, the bolt fastening unit and the blank pressing unit are annularly arrayed above the inner diameter measuring unit.

2. An automatic centrifuge bowl assembly machine as in claim 1 wherein: the transfer unit comprises a first lifting mechanism (101), a first track (102), a first electric slider (103), a first support frame (104), a second support frame (105), a second motor (106), a first fixing rod (107) and a fourth fixing frame (108); the left side and the right side of the front part of the first fixing frame (1) are respectively fixedly connected with a first lifting mechanism (101); the left side and the right side of the rear part of the first fixing frame (1) are respectively fixedly connected with a first lifting mechanism (101); a first track (102) is fixedly connected between the lifting ends of two first lifting mechanisms (101) which are adjacent left and right in each group; the upper part of each first track (102) is connected with a first electric slide block (103) in a sliding way; a first support frame (104) is fixedly connected to the upper surface of the first electric slider (103) positioned on the front side; a second support frame (105) is fixedly connected to the upper surface of the first electric slide block (103) positioned at the rear side; a second motor (106) is fixedly connected to the rear part of the second support frame (105); a first fixing rod (107) is fixedly connected to the front part of an output shaft of the second motor (106); the front end of the first fixed rod (107) is rotationally connected with the first support frame (104) through a rotating shaft; a fourth fixing frame (108) is fixedly connected to the middle part of the first fixing rod (107); the bottom of the fourth fixing frame (108) is connected with an inner diameter measuring unit; the left part of the fourth fixing frame (108) is connected with a height measuring unit; a bolt fastening unit is connected to the front right of the fourth fixing frame (108); the right back part of the fourth fixing frame (108) is connected with the edge pressing unit.

3. An automatic centrifuge bowl assembly machine as in claim 2 wherein: the inner diameter measuring unit comprises a first electric push rod (201), a central fixing frame (202), a lower fork arm (203), a fixed disc (204), an upper fork arm (205) and a contact (206); the bottom of the fourth fixing frame (108) is fixedly connected with a first electric push rod (201); the lower telescopic end of the first electric push rod (201) is fixedly connected with a central fixing frame (202); three lower fork arms (203) are rotatably connected around the central fixing frame (202) through rotating shafts; the upper fixed rod of the first electric push rod (201) is fixedly connected with a fixed disc (204); three upper fork arms (205) are rotatably connected around the rotating shaft of the fixed disc (204); the adjacent upper fork arm (205) and the lower fork arm (203) are in rotary connection through a rotating shaft; the outer ends of the three lower fork arms (203) are respectively fixedly connected with a contact (206).

4. An automatic centrifuge bowl assembly machine as in claim 3 wherein: the height measuring unit comprises a first telescopic arm (301), a second electric push rod (302), a second fixing rod (303), a third electric push rod (304), a sliding block (305), a third fixing rod (306), a first ink storage block (307), a first rotating shaft (308), an H-shaped fixing plate (309), a reset spring (310), a touch plate (311), a first ink inlet pipe (312), a second rotating shaft (313), a second ink storage block (314) and a second ink inlet pipe (315); a first telescopic arm (301) is fixedly connected to the left part of the fourth fixing frame (108); a second electric push rod (302) is fixedly connected to the upper part of the first telescopic arm (301); the left telescopic end of the first telescopic arm (301) is fixedly connected with a second fixing rod (303); a third electric push rod (304) is fixedly connected to the middle part of the left side of the second fixed rod (303); the middle part of the left side of the second fixed rod (303) is connected with a sliding block (305) in a sliding manner, and the sliding block (305) is positioned at the rear side of the third electric push rod (304); the lower telescopic end of the third electric push rod (304) is fixedly connected with a sliding block (305); the lower part of the second fixed rod (303) is fixedly connected with a third fixed rod (306); the upper end of the sliding block (305) is fixedly connected with a first ink storage block (307); a first ink inlet pipe (312) is communicated with the left side of the first ink storage block (307); the upper surface of the first ink storage block (307) is provided with a first ink outlet (307 a); the front side of the upper part of the first ink storage block (307) is rotatably connected with a first rotating shaft (308); an arc-shaped chute is arranged on the rear side of the upper part of the first ink storage block (307); the arc-shaped chute at the upper part of the first ink storage block (307) is connected with a second rotating shaft (313) in a sliding way; an H-shaped fixing plate (309) is fixedly connected between the first rotating shaft (308) and the second rotating shaft (313); a return spring (310) is fixedly connected between the lower convex block structure of the H-shaped fixing plate (309) and the first ink storage block (307); the upper part of the H-shaped fixing plate (309) is fixedly connected with a contact plate (311); the lower end of the third fixed rod (306) is fixedly connected with a second ink storage block (314); a second ink inlet pipe (315) is communicated with the left side of the second ink storage block (314); the lower surface of the second ink storage block (314) is provided with a second ink outlet (314 a).

5. An automatic centrifuge bowl assembly machine as in claim 4 wherein: the bolt fastening unit comprises a second track (401), a second electric slider (402), a second telescopic arm (403), a fourth electric push rod (404), an electric rotating shaft (405) and a nut sleeve (406); a second track (401) is fixedly connected to the front right part of the fourth fixing frame (108); a second electric slider (402) is connected to the second track (401) in a sliding manner; a second telescopic arm (403) is fixedly connected to the lower part of the second electric slider (402); a fourth electric push rod (404) is fixedly connected to the front part of the second telescopic arm (403), and a telescopic part of the second telescopic arm (403) is fixedly connected with a telescopic part of the fourth electric push rod (404); the lower end of the second telescopic arm (403) is provided with an electric rotating shaft (405); the rotating end of the electric rotating shaft (405) is fixedly connected with a nut sleeve (406).

6. An automatic centrifuge bowl assembly machine as in claim 5 wherein: the edge pressing unit comprises a third track (501), a third electric slider (502), a third telescopic arm (503), a fifth electric push rod (504) and a pressing block (505); a third track (501) is fixedly connected to the rear right part of the fourth fixing frame (108); a third electric slide block (502) is connected to the third track (501) in a sliding manner; a third telescopic arm (503) is fixedly connected to the lower part of the third electric slider (502); the rear part of the third telescopic arm (503) is fixedly connected with a fifth electric push rod (504), and the telescopic part of the third telescopic arm (503) is fixedly connected with the telescopic part of the fifth electric push rod (504); a pressing block (505) is fixedly connected to the lower end of the third telescopic arm (503).

7. An automatic centrifuge bowl assembly machine as in claim 6 wherein: the pressing block (505) is in an inverted L shape.

8. An automatic centrifuge bowl assembly machine as in claim 7 wherein: the conveying device is characterized by further comprising a third fixing frame (5) and a conveying unit, wherein the third fixing frame (5) is fixedly connected to the right side of the upper portion of the first fixing frame (1), the conveying unit is arranged on the third fixing frame (5), and comprises a baffle (601), a first rolling roller (602), a second rolling roller (603), a third rolling roller (604), a fourth rolling roller (605), a fifth rolling roller (606), a sixth rolling roller (607), a seventh rolling roller (608), an eighth rolling roller (609), a ninth rolling roller (610), a third motor (611), a double-track driving wheel (612), a front driving wheel (613) and a rear driving wheel (614); a baffle plate (601) is fixedly connected between the middle parts of the upper surfaces of the third fixing frames (5); the front part of the third fixing frame (5) is rotationally connected with a first roller (602); the front part of the third fixing frame (5) is rotatably connected with a second roller (603), and the second roller (603) is positioned at the rear part of the first roller (602); the middle part of the third fixing frame (5) is rotationally connected with a third roller (604); the rear part of the third fixing frame (5) is rotationally connected with a fourth roller (605); a fifth roller (606) is rotatably connected to the rear part of the third fixing frame (5), and the fifth roller (606) is positioned at the rear part of the fourth roller (605); a sixth roller (607) is rotatably connected to the rear part of the third fixing frame (5), and the sixth roller (607) is positioned at the rear part of the fifth roller (606); a seventh roller (608) is rotatably connected to the front part of the third fixing frame (5), and the seventh roller (608) is positioned on the upper side of the second roller (603); an eighth roller (609) is rotatably connected to the middle of the third fixing frame (5), and the eighth roller (609) is positioned on the upper side of the third roller (604); a ninth roller (610) is rotatably connected to the rear part of the third fixing frame (5), and the ninth roller (610) is positioned on the upper side of the fifth roller (606); a third motor (611) is fixedly connected to the right part of the third fixing frame (5); an output shaft of the third motor (611) is fixedly connected with the eighth roller (609); an output shaft of the third motor (611) is fixedly connected with a double-track driving wheel (612); a front driving wheel (613) is fixedly connected to the right end of the seventh roller (608); a transmission belt is wound between the left track of the double-track transmission wheel (612) and the front transmission wheel (613); a rear driving wheel (614) is fixedly connected to the right end of the ninth roller (610); a transmission belt is wound between the right track of the double-track transmission wheel (612) and the rear transmission wheel (614).

9. An automatic centrifuge bowl assembly machine as in claim 8 wherein: the electric distance measuring device is characterized by further comprising a cutting unit, the rear portion of the third fixing frame (5) is provided with the cutting unit, and the cutting unit comprises a fourth track (701), a fourth electric sliding block (702), first electric scissors (703), a distance measuring wheel mechanism (704), a fifth track (705), a fifth electric sliding block (706), second electric scissors (707) and an identification probe (708); a fourth rail (701) is fixedly connected to the rear part of the third fixing frame (5); the left side and the right side of the fourth track (701) are respectively connected with a fourth electric slide block (702) in a sliding way; the upper surfaces of the two fourth electric sliding blocks (702) are respectively fixedly connected with a first electric scissors (703); a distance measuring wheel mechanism (704) is fixedly connected to the left side of the rear part of the third fixing frame (5); a fifth rail (705) is fixedly connected to the right side of the rear part of the first fixing frame (1); a fifth electric slider (706) is connected to the upper part of the fifth track (705) in a sliding manner; a second electric scissors (707) is fixedly connected to the upper surface of the fifth electric sliding block (706); two recognition probes (708) are fixedly connected to the right part of the lower surface of the first rail (102) on the rear side.

10. An automatic centrifuge bowl assembly machine as in claim 9 wherein: the device is characterized by further comprising a second fixing frame (4) and a rolling unit, wherein the second fixing frame (4) is fixedly connected to the right part of the first fixing frame (1), the rolling unit is arranged on the second fixing frame (4), and the rolling unit comprises a second lifting mechanism (801), a third supporting frame (802) and a tenth rolling roller (803); the left side and the right side of the second fixing frame (4) are respectively fixedly connected with a second lifting mechanism (801); a third supporting frame (802) is fixedly connected between the lifting ends of the two second lifting mechanisms (801); the upper part of the third supporting frame (802) is rotatably connected with a tenth roller (803).

Technical Field

The invention relates to the field of centrifuge assembly, in particular to automatic centrifuge drum assembly equipment.

Background

When the centrifugal machine is assembled, the pre-cut filter screen needs to be tightly attached to the inner wall of the rotary drum, the size of the filter screen is repeatedly modified and adjusted according to the inner diameter and the height of the inner wall of the rotary drum, and a gap is not reserved between the filter screen and the rotary drum, so that the screening efficiency of the centrifugal machine is guaranteed.

Centrifuge of different models and size, the internal diameter and the inner wall height of its rotary drum all have great difference, when carrying out filter screen loading work to different rotary drums, need put into corresponding rotary drum one by one with the filter screen, and attach the filter screen in the inside of rotary drum, and flatten the filter screen in the rotary drum with the clamping ring, draw the cutting line on the surplus part of filter screen, take out the filter screen from the rotary drum and further tailor it again, through many times of pruning and flattening adjustment work, just can accomplish the filter screen installation work of a rotary drum, after having installed the filter screen, still need outwards turn over the pressure with the part that the filter screen exceeds the rotary drum, make filter screen upper portion inboard parcel of upper portion of rotary drum.

When the filter screen is trimmed, the filter screen wound in the rotary drum needs to be taken out and unfolded, after trimming is completed, the filter screen is wound into the rotary drum, the filter screen is wound and flattened in a reciprocating mode, the extending performance of the filter screen is damaged, the filter screen is cut for many times, and the assembly efficiency of the rotary drum is seriously influenced.

Disclosure of Invention

The invention provides automatic assembling equipment for a centrifuge drum, aiming at overcoming the defects that the extension performance of a filter screen is damaged due to the fact that the filter screen is wound and flattened in a reciprocating mode, and the assembling efficiency of the drum is seriously affected due to the fact that the filter screen is cut for multiple times.

The technical scheme is as follows: an automatic assembling device for a centrifuge drum comprises a transfer unit, an inner diameter measuring unit, a height measuring unit, a bolt fastening unit, a blank pressing unit, a first fixing frame, a first motor and a clamping disc; the middle part of the left side of the first fixing frame is connected with a first motor; the middle part of the left side of the first fixing frame is connected with a clamping disc; an output shaft of the first motor is connected with the clamping disc; the upper part of the first fixing frame is connected with a transfer unit which provides transverse movement and turnover functions; the left part of the transfer unit is connected with an inner diameter measuring unit for measuring the inner diameter of the rotary drum, and the inner diameter measuring unit is positioned above the clamping disc; the left part of the transfer unit is connected with a height measuring unit for measuring the height of the rotary drum, the left part of the transfer unit is connected with a bolt fastening unit for locking the rotary drum, the left part of the transfer unit is connected with a blank pressing unit for turning and pressing the screen, and the height measuring unit, the bolt fastening unit and the blank pressing unit are annularly arrayed above the inner diameter measuring unit.

Further, the transfer unit comprises a first lifting mechanism, a first track, a first electric slide block, a first support frame, a second motor, a first fixed rod and a fourth fixed frame; the left side and the right side of the front part of the first fixing frame are respectively fixedly connected with a first lifting mechanism; the left side and the right side of the rear part of the first fixing frame are respectively fixedly connected with a first lifting mechanism; a first rail is fixedly connected between the lifting ends of each group of two left and right adjacent first lifting mechanisms; the upper part of each first track is connected with a first electric slide block in a sliding way; the upper surface of the first electric sliding block positioned on the front side is fixedly connected with a first supporting frame; a second supporting frame is fixedly connected to the upper surface of the first electric sliding block on the rear side; a second motor is fixedly connected to the rear part of the second support frame; the front part of an output shaft of the second motor is fixedly connected with a first fixed rod; the front end of the first fixed rod is rotatably connected with the first support frame through a rotating shaft; a fourth fixing frame is fixedly connected to the middle part of the first fixing rod; the bottom of the fourth fixing frame is connected with an inner diameter measuring unit; the left part of the fourth fixing frame is connected with a height measuring unit; the right front part of the fourth fixing frame is connected with a bolt fastening unit; the right rear part of the fourth fixing frame is connected with a blank pressing unit.

Further, the inner diameter measuring unit comprises a first electric push rod, a central fixing frame, a lower fork arm, a fixing disc, an upper fork arm and a contact head; the bottom of the fourth fixing frame is fixedly connected with a first electric push rod; the lower telescopic end of the first electric push rod is fixedly connected with a central fixing frame; three lower fork arms are rotatably connected around the central fixed frame through rotating shafts; the upper fixed rod of the first electric push rod is fixedly connected with a fixed disk; three upper fork arms are rotatably connected around the rotating shaft of the fixed disc; the adjacent upper fork arms and the lower fork arms are in rotary connection through the rotating shaft; the outer ends of the three lower fork arms are respectively fixedly connected with a contact.

Further, the height measuring unit comprises a first telescopic arm, a second electric push rod, a second fixed rod, a third electric push rod, a sliding block, a third fixed rod, a first ink storage block, a first rotating shaft, an H-shaped fixed plate, a reset spring, a touch panel, a first ink inlet pipe, a second rotating shaft, a second ink storage block and a second ink inlet pipe; the left part of the fourth fixed frame is fixedly connected with a first telescopic arm; the upper part of the first telescopic arm is fixedly connected with a second electric push rod; the left telescopic end of the first telescopic arm is fixedly connected with a second fixed rod; a third electric push rod is fixedly connected to the middle part of the left side of the second fixed rod; the middle part of the left side of the second fixed rod is connected with a sliding block in a sliding manner, and the sliding block is positioned at the rear side of the third electric push rod; the lower telescopic end of the third electric push rod is fixedly connected with a sliding block; the lower part of the second fixed rod is fixedly connected with a third fixed rod; the upper end of the sliding block is fixedly connected with a first ink storage block; a first ink inlet pipe is communicated with the left side of the first ink storage block; the upper surface of the first ink storage block is provided with a first ink outlet; the front side of the upper part of the first ink storage block is rotatably connected with a first rotating shaft; an arc-shaped sliding chute is formed in the rear side of the upper part of the first ink storage block; the arc-shaped sliding chute at the upper part of the first ink storage block is connected with a second rotating shaft in a sliding manner; an H-shaped fixing plate is fixedly connected between the first rotating shaft and the second rotating shaft; a lower lug structure of the H-shaped fixing plate is fixedly connected with a return spring between the first ink storage block and the lower lug structure of the H-shaped fixing plate; the upper part of the H-shaped fixing plate is fixedly connected with a touch plate; the lower end of the third fixed rod is fixedly connected with a second ink storage block; a second ink inlet pipe is communicated with the left side of the second ink storage block; the lower surface of the second ink storage block is provided with a second ink outlet.

Further explaining, the bolt fastening unit comprises a second track, a second electric slider, a second telescopic arm, a fourth electric push rod, an electric rotating shaft and a nut sleeve; a second rail is fixedly connected to the right front part of the fourth fixing frame; the second track is connected with a second electric sliding block in a sliding manner; the lower part of the second electric sliding block is fixedly connected with a second telescopic arm; the front part of the second telescopic arm is fixedly connected with a fourth electric push rod, and a telescopic part of the second telescopic arm is fixedly connected with a telescopic part of the fourth electric push rod; the lower end of the second telescopic arm is provided with an electric rotating shaft; the rotating end of the electric rotating shaft is fixedly connected with a nut sleeve.

Further explaining, the edge pressing unit comprises a third track, a third electric slide block, a third telescopic arm, a fifth electric push rod and a pressing block; a third rail is fixedly connected to the right rear part of the fourth fixing frame; the third track is connected with a third electric slide block in a sliding way; the lower part of the third electric sliding block is fixedly connected with a third telescopic arm; the rear part of the third telescopic arm is fixedly connected with a fifth electric push rod, and the telescopic part of the third telescopic arm is fixedly connected with the telescopic part of the fifth electric push rod; the lower end of the third telescopic arm is fixedly connected with a pressing block.

Further, the pressing block is in an inverted L shape.

The conveying unit comprises a baffle, a first roller, a second roller, a third roller, a fourth roller, a fifth roller, a sixth roller, a seventh roller, an eighth roller, a ninth roller, a third motor, a double-track driving wheel, a front driving wheel and a rear driving wheel; a baffle is fixedly connected between the middle parts of the upper surfaces of the third fixing frames; the front part of the third fixing frame is rotationally connected with a first roller; the front part of the third fixing frame is rotatably connected with a second roller, and the second roller is positioned at the rear part of the first roller; the middle part of the third fixing frame is rotationally connected with a third roller; the rear part of the third fixing frame is rotatably connected with a fourth roller; the rear part of the third fixing frame is rotatably connected with a fifth roller, and the fifth roller is positioned at the rear part of the fourth roller; the rear part of the third fixing frame is rotatably connected with a sixth roller, and the sixth roller is positioned at the rear part of the fifth roller; the front part of the third fixing frame is rotatably connected with a seventh roller, and the seventh roller is positioned on the upper side of the second roller; the middle part of the third fixing frame is rotatably connected with an eighth roller, and the eighth roller is positioned on the upper side of the third roller; the rear part of the third fixing frame is rotatably connected with a ninth roller, and the ninth roller is positioned on the upper side of the fifth roller; a third motor is fixedly connected to the right part of the third fixing frame; an output shaft of the third motor is fixedly connected with an eighth roller; an output shaft of the third motor is fixedly connected with a double-track driving wheel; a front driving wheel is fixedly connected to the right end of the seventh roller; a transmission belt is wound between the left side rail of the double-track transmission wheel and the front transmission wheel; the right end of the ninth roller is fixedly connected with a rear driving wheel; a transmission belt is wound between the right side track of the double-track transmission wheel and the rear transmission wheel.

Further explaining, the device also comprises a cutting unit, the rear part of the third fixing frame is provided with the cutting unit, and the cutting unit comprises a fourth track, a fourth electric slide block, first electric scissors, a distance measuring wheel mechanism, a fifth track, a fifth electric slide block, second electric scissors and an identification probe; a fourth rail is fixedly connected to the rear part of the third fixing frame; the left side and the right side of the fourth track are respectively connected with a fourth electric slide block in a sliding way; the upper surfaces of the two fourth electric sliding blocks are fixedly connected with a first electric scissors respectively; a distance measuring wheel mechanism is fixedly connected to the left side of the rear part of the third fixing frame; a fifth rail is fixedly connected to the right side of the rear part of the first fixing frame; the upper part of the fifth track is connected with a fifth electric slide block in a sliding way; the upper surface of the fifth electric sliding block is fixedly connected with second electric scissors; two identification probes are fixedly connected to the right part of the lower surface of the first track on the rear side.

Further explaining, the rolling device also comprises a second fixing frame and a rolling unit, wherein the right part of the first fixing frame is fixedly connected with the second fixing frame, the second fixing frame is provided with the rolling unit, and the rolling unit comprises a second lifting mechanism, a third supporting frame and a tenth rolling roller; the left side and the right side of the second fixing frame are respectively fixedly connected with a second lifting mechanism; a third supporting frame is fixedly connected between the lifting ends of the two second lifting mechanisms; the upper part of the third support frame is rotatably connected with a tenth roller.

The invention has the beneficial effects that: the technical scheme provided by the invention has the following advantages that:

by arranging the inner diameter measuring component and the height measuring component, the inner diameter and the inner wall height of the rotary drum are synchronously measured, and the blank pressing space is reserved, so that the automatic data acquisition work of the rotary drum is realized;

by arranging the automatic cutting and mounting component, the automatic filter screen mounting work of the rotary drum is realized on the basis of ensuring the accurate cutting of the filter screen;

therefore, the technical problems that the extension performance of the filter screen is damaged due to the fact that the filter screen is rolled up and flattened in a reciprocating mode, the filter screen is cut for many times, and the assembly efficiency of the rotary drum is seriously affected are solved.

Drawings

FIG. 1 is a schematic perspective view of a first automatic assembling apparatus for a centrifuge bowl according to the present invention;

FIG. 2 is a schematic diagram of a second three-dimensional structure of the automatic assembling apparatus for centrifuge drums of the present invention;

FIG. 3 is a schematic partial perspective view of an automatic assembling apparatus for a centrifuge bowl according to the present invention;

FIG. 4 is a schematic view of a combined three-dimensional structure of a bolt fastening unit and a blank holder unit of the automatic assembling equipment for a centrifuge drum of the present invention;

FIG. 5 is a schematic perspective view of an inner diameter measuring unit of the automatic assembling apparatus for centrifuge drums of the present invention;

FIG. 6 is a schematic perspective view of a height measuring unit of the automatic assembling apparatus for centrifuge drums of the present invention;

FIG. 7 is a schematic view of a first partial perspective structure of a height measuring unit of the automatic assembling apparatus for centrifuge drums of the present invention;

FIG. 8 is a schematic view of a second partial perspective structure of a height measuring unit of the automatic assembling apparatus for centrifuge drums of the present invention;

FIG. 9 is a schematic view of a partially compressed state of a height measuring unit of the automatic assembling apparatus for a centrifuge bowl of the present invention;

FIG. 10 is a schematic diagram of a third perspective structure of a height measuring unit of the automatic assembling apparatus for a centrifuge drum of the present invention;

FIG. 11 is a schematic diagram of a fourth perspective structure of the height measuring unit of the automatic assembling apparatus for centrifuge drums of the present invention;

FIG. 12 is a schematic view of a combined three-dimensional structure of a cutting unit and a winding unit of the automatic assembling device for a centrifuge drum of the present invention;

FIG. 13 is a schematic view of a partially assembled three-dimensional structure of a conveying unit and a cutting unit of the automatic assembling device for centrifuge drums of the present invention;

fig. 14 is a partial perspective view of a conveying unit of the automatic assembling apparatus for centrifuge drums of the present invention.

In the above drawings: 1-a first fixing frame, 2-a first motor, 3-a clamping disc, 4-a second fixing frame, 5-a third fixing frame, 101-a first lifting mechanism, 102-a first rail, 103-a first electric slide block, 104-a first supporting frame, 105-a second supporting frame, 106-a second motor, 107-a first fixing rod, 108-a fourth fixing frame, 201-a first electric push rod, 202-a central fixing frame, 203-a lower fork arm, 204-a fixed disc, 205-an upper fork arm, 206-a contact, 301-a first telescopic arm, 302-a second electric push rod, 303-a second fixing rod, 304-a third electric push rod, 305-a slide block, 306-a third fixing rod, 307-a first ink storage block, 307 a-a first ink outlet, 308-a first rotating shaft, 309-an H-shaped fixing plate, 310-a return spring, 311-a touch plate, 312-a first ink inlet pipe, 313-a second rotating shaft, 314-a second ink storage block, 314 a-a second ink outlet, 315-a second ink inlet pipe, 401-a second track, 402-a second electric slider, 403-a second telescopic arm, 404-a fourth electric push rod, 405-an electric rotating shaft, 406-a nut sleeve, 501-a third track, 502-a third electric slider, 503-a third telescopic arm, 504-a fifth electric push rod, 505-a press block, 601-a baffle, 602-a first roller, 603-a second roller, 604-a third roller, 605-a fourth roller, 606-a fifth roller, 607-a sixth roller, 608-a seventh roller, 609-an eighth roller, 610-a ninth roller, 611-a third motor, 612-a double-track transmission wheel, 613-a front transmission wheel, 614-a rear transmission wheel, 701-a fourth rail, 702-a fourth electric sliding block, 703-first electric scissors, 704-a distance measuring wheel mechanism, 705-a fifth rail, 706-a fifth electric sliding block, 707-second electric scissors, 708-an identification probe, 801-a second lifting mechanism, 802-a third support frame and 803-a tenth roller.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.

Referring to the attached figure 1 of the specification, the side facing a person is front, and the opposite side is back; the corresponding left hand side facing the person is left and the right hand side facing the person is right.

In the present embodiment, the first lifting mechanism 101 and the second lifting mechanism 801 are both air cylinders.

Example 1

An automatic assembling device for a centrifuge drum is shown in figures 1-2 and comprises a transfer unit, an inner diameter measuring unit, a height measuring unit, a bolt fastening unit, a blank pressing unit, a first fixing frame 1, a first motor 2 and a clamping disc 3; the middle part of the left side of the first fixing frame 1 is connected with a first motor 2; the middle part of the left side of the first fixed frame 1 is connected with a clamping disc 3; the output shaft of the first motor 2 is connected with the clamping disc 3; the upper part of the first fixing frame 1 is connected with a transfer unit which provides transverse movement and turnover functions; the left part of the transfer unit is connected with an inner diameter measuring unit for measuring the inner diameter of the rotary drum, and the inner diameter measuring unit is positioned above the clamping disc 3; the left part of the transfer unit is connected with a height measuring unit, the left part of the transfer unit is connected with a bolt fastening unit, the left part of the transfer unit is connected with a blank pressing unit for turning and pressing the screen, and the height measuring unit, the bolt fastening unit and the blank pressing unit are annularly arrayed above the inner diameter measuring unit.

Firstly, a rotary drum to be subjected to filter screen assembly work is placed in a clamping disc 3, after an inner diameter measuring unit and a height measuring unit are downwards extended into the rotary drum by a transfer unit, the inner diameter measuring unit is used for measuring the inner diameter of the rotary drum, the height measuring unit is used for measuring the height of the inner wall of the rotary drum, and the blank pressing height is reserved on the basis of the measured height of the inner wall of the rotary drum, so that the obtained total height is greater than the height of the inner wall of the rotary drum.

As shown in fig. 3-4, the transfer unit includes a first lifting mechanism 101, a first rail 102, a first electric slider 103, a first support frame 104, a second support frame 105, a second motor 106, a first fixing rod 107 and a fourth fixing frame 108; the left side and the right side of the front part of the first fixing frame 1 are respectively fixedly connected with a first lifting mechanism 101; the left side and the right side of the rear part of the first fixing frame 1 are respectively fixedly connected with a first lifting mechanism 101; a first rail 102 is fixedly connected between the lifting ends of each group of two left and right adjacent first lifting mechanisms 101; a first electric slide block 103 is connected to the upper part of each first track 102 in a sliding manner; a first support frame 104 is fixedly connected to the upper surface of the first electric slider 103 positioned on the front side; a second supporting frame 105 is fixedly connected to the upper surface of the first electric sliding block 103 at the rear side; a second motor 106 is bolted to the rear part of the second support bracket 105; a first fixing rod 107 is fixedly connected to the front part of an output shaft of the second motor 106; the front end of the first fixing rod 107 is rotatably connected with the first support frame 104 through a rotating shaft; a fourth fixing frame 108 is fixedly connected to the middle part of the first fixing rod 107; the bottom of the fourth fixing frame 108 is connected with an inner diameter measuring unit; the left part of the fourth fixing frame 108 is connected with a height measuring unit; a bolt fastening unit is connected to the front right of the fourth mount 108; the right rear portion of the fourth fixing frame 108 is connected to the edge pressing unit.

As shown in fig. 5, the inner diameter measuring unit includes a first electric push rod 201, a central fixing frame 202, a lower yoke 203, a fixing disc 204, an upper yoke 205 and a contact 206; the bottom of the fourth fixing frame 108 is fixedly connected with a first electric push rod 201; the lower telescopic end of the first electric push rod 201 is fixedly connected with a central fixing frame 202; three lower fork arms 203 are rotatably connected around the central fixing frame 202 through rotating shafts; the upper fixing rod of the first electric push rod 201 is fixedly connected with a fixing disc 204; three upper fork arms 205 are rotatably connected around the rotating shaft of the fixed disc 204; the adjacent upper fork arm 205 and the lower fork arm 203 are in rotary connection through a rotating shaft; the outer ends of the three lower prongs 203 are each fixedly connected with a contact 206.

As shown in fig. 6-8 and fig. 10-11, the height measuring unit includes a first telescopic arm 301, a second electric push rod 302, a second fixing rod 303, a third electric push rod 304, a sliding block 305, a third fixing rod 306, a first ink storage block 307, a first rotating shaft 308, an H-shaped fixing plate 309, a return spring 310, a touch plate 311, a first ink inlet tube 312, a second rotating shaft 313, a second ink storage block 314, and a second ink inlet tube 315; a first telescopic arm 301 is fixedly connected to the left part of the fourth fixing frame 108; a second electric push rod 302 is fixedly connected to the upper part of the first telescopic arm 301; the left telescopic end of the first telescopic arm 301 is fixedly connected with a second fixing rod 303; a third electric push rod 304 is fixedly connected to the middle of the left side of the second fixed rod 303; a sliding block 305 is slidably connected to the middle of the left side of the second fixing rod 303, and the sliding block 305 is located at the rear side of the third electric push rod 304; the lower telescopic end of the third electric push rod 304 is fixedly connected with a sliding block 305; a third fixing rod 306 is fixedly connected to the lower part of the second fixing rod 303; the upper end of the sliding block 305 is fixedly connected with a first ink storage block 307; a first ink inlet pipe 312 is communicated with the left side of the first ink storage block 307; the upper surface of the first ink storage block 307 is provided with a first ink outlet 307 a; a first rotating shaft 308 is rotatably connected to the front side of the upper part of the first ink storage block 307; an arc-shaped chute is arranged on the rear side of the upper part of the first ink storage block 307; the arc chute at the upper part of the first ink storage block 307 is connected with a second rotating shaft 313 in a sliding way; an H-shaped fixing plate 309 is fixedly connected between the first rotating shaft 308 and the second rotating shaft 313; a return spring 310 is fixedly connected between the lower convex block structure of the H-shaped fixing plate 309 and the first ink storage block 307; the upper part of the H-shaped fixing plate 309 is fixedly connected with a contact plate 311; the lower end of the third fixing rod 306 is fixedly connected with a second ink storage block 314; a second ink inlet pipe 315 is communicated with the left side of the second ink storage block 314; the lower surface of the second ink storage block 314 is provided with a second ink outlet 314 a.

After the drum is placed in the holding tray 3, the four first lifting mechanisms 101 are controlled to contract downwards, so as to drive the two first rails 102 to descend, so that the inner diameter measuring unit and the height measuring unit extend downwards into the drum, the tip part of the lower part of the second ink storage block 314 contacts the bottom of the drum, then the telescopic end of the first electric push rod 201 drives the central fixing frame 202 to move downwards, so that the central fixing frame 202 pushes the lower fork arm 203 to expand upwards in cooperation with the upper fork arm 205, so that the three contacts 206 touch the inner wall of the drum, through the angle change data of the lower fork arm 203, the distance data from the contacts 206 to the central point of the central fixing frame 202 and the movement distance data of the telescopic end of the first electric push rod 201, the diameter data of the inner wall of the drum can be calculated, the circumference data of the inner wall of the drum can be calculated, and meanwhile, the second electric push rod 302 pushes the telescopic end of the first telescopic arm 301 to extend outwards, the tip of the lower part of the second ink storage block 314 contacts the bottom of the inner wall of the drum, the third electric push rod 304 pushes the sliding block 305 to move downwards along the second fixing rod 303, the sliding block 305 drives the upper part of the connected component to move downwards, and further drives the touch panel 311 to move downwards, that is, the lower side of the touch panel 311 hooks the edge of the upper surface of the drum, when the touch panel 311 is blocked by the drum, the touch panel 311 which moves downwards continuously drives the H-shaped fixing plate 309 and the return spring 310 to turn and compress right around the first rotating shaft 308, and at the same time, the second rotating shaft 313 moves downwards along the inner chute of the first ink storage block 307, as shown in fig. 9, the second rotating shaft 313 is located at the bottom of the inner chute of the first ink storage block 307, the touch panel 311 is in a triggered state, at this time, the distance between the tip of the lower part of the first ink storage block 307 and the tip of the lower part of the second ink storage block 314 is the height of the inner wall of the drum, and then the third electric push rod 304 drives the sliding block 305 to move upwards along the second fixing rod 303, the compressed return spring 310 drives the contact plate 311 to reversely turn around the first rotating shaft 308 until the second rotating shaft 313 slides upwards to the top of the inner chute of the first ink storage block 307, as shown in fig. 8, the contact plate 311 is in a state of releasing the trigger, and at this time, the distance between the tip of the lower part of the first ink storage block 307 and the tip of the lower part of the second ink storage block 314 is the total height of the edge pressing height reserved on the basis of the measured height of the inner wall of the rotating drum.

Calculation formula (drum inner wall perimeter): d =2 (l.cos θ + r)₀+r₁)

C=πD

In the formula:

d, the diameter of the inner wall of the rotary drum;

c, the circumference of the inner wall of the rotary drum;

l is the linear distance between the center of the hinge point of the central fixing frame 202 and the lower fork arm 203 and the spherical center of the contact 206;

theta is the angle between the lower yoke 203 and the horizontal plane;

r₀the vertical distance between the hinge point of the central fixing frame 202 and the lower fork arm 203 and the axis of the first electric push rod 201;

r₁contact 206 radius. As shown in fig. 4, the bolt fastening unit includes a second rail 401, a second electric slider 402, a second telescopic arm 403, a fourth electric push rod 404, an electric rotating shaft 405, and a nut socket 406; a second rail 401 is fixedly connected to the front right part of the fourth fixing frame 108; the second track 401 is connected with a second electric slider 402 in a sliding manner; a second telescopic arm 403 is fixedly connected to the lower part of the second electric slider 402; a fourth electric push rod 404 is fixedly connected to the front part of the second telescopic arm 403, and a telescopic part of the second telescopic arm 403 is fixedly connected with a telescopic part of the fourth electric push rod 404; the lower end of the second telescopic arm 403 is provided with an electric rotating shaft 405; rotating end of electric rotating shaft 405A nut socket 406 is affixed.

As shown in fig. 4, the edge pressing unit includes a third rail 501, a third electric slider 502, a third telescopic arm 503, a fifth electric push rod 504 and a pressing block 505; a third track 501 is fixedly connected to the right rear part of the fourth fixing frame 108; the third track 501 is connected with a third electric slider 502 in a sliding manner; a third telescopic arm 503 is fixedly connected to the lower part of the third electric slider 502; the rear part of the third telescopic arm 503 is fixedly connected with a fifth electric push rod 504, and the telescopic part of the third telescopic arm 503 is fixedly connected with the telescopic part of the fifth electric push rod 504; a pressing block 505 is fixed to the lower end of the third telescopic arm 503.

The pressing block 505 has an inverted L-shape.

After the inner diameter measuring unit and the height measuring unit are reset, an operator cuts the filter screen according to the measured perimeter data of the inner wall of the rotary drum and the measured total height data, and rolls the cut filter screen into the inner wall of the rotary drum.

Then, an output shaft of a first motor 2 drives a clamping disc 3 to rotate on a first fixing frame 1, a third electric slider 502 moves along a third track 501, a pressing block 505 is aligned with the edge of the filter screen, meanwhile, a second electric slider 402 moves along a second track 401, each preset fastener at the bottom of the rotary drum is sequentially aligned with a nut sleeve 406, when the fastener is positioned below the nut sleeve 406, a fourth electric push rod 404 drives a second telescopic arm 403 to extend downwards, the nut sleeve 406 sleeves the fastener nut, and an electric rotating shaft 405 drives the nut sleeve 406 to rotate, so as to complete the locking work of the fastener nut, while the clamping disc 3 slowly rotates on the first fixing frame 1, a fifth electric push rod 504 drives the third telescopic arm to extend downwards, so that the pressing block 505 presses the edge of the filter screen higher than the rotary drum outwards, so that the upper part 503 of the rotary drum wraps the inner side of the upper part of the filter screen, and finishing the assembly work of the filter screen of the rotary drum.

Example 2

On the basis of embodiment 1, as shown in fig. 1-2 and fig. 12-14, the apparatus further includes a third fixing frame 5 and a conveying unit, the third fixing frame 5 is fixedly connected to the right side of the upper portion of the first fixing frame 1, the conveying unit is disposed on the third fixing frame 5, and the conveying unit includes a baffle 601, a first roller 602, a second roller 603, a third roller 604, a fourth roller 605, a fifth roller 606, a sixth roller 607, a seventh roller 608, an eighth roller 609, a ninth roller 610, a third motor 611, a double-track driving wheel 612, a front driving wheel 613 and a rear driving wheel 614; a baffle 601 is fixedly connected between the middle parts of the upper surfaces of the third fixing frames 5; the front part of the third fixing frame 5 is rotatably connected with a first roller 602; a second roller 603 is rotatably connected to the front portion of the third fixing frame 5, and the second roller 603 is located at the rear portion of the first roller 602; the middle part of the third fixing frame 5 is rotatably connected with a third roller 604; the rear part of the third fixing frame 5 is rotatably connected with a fourth roller 605; a fifth roller 606 is rotatably connected to the rear portion of the third fixing frame 5, and the fifth roller 606 is positioned at the rear portion of the fourth roller 605; a sixth roller 607 is rotatably connected to the rear portion of the third fixing frame 5, and the sixth roller 607 is positioned at the rear portion of the fifth roller 606; a seventh roller 608 is rotatably connected to the front portion of the third fixing frame 5, and the seventh roller 608 is positioned on the upper side of the second roller 603; an eighth roller 609 is rotatably connected to the middle of the third fixing frame 5, and the eighth roller 609 is positioned on the upper side of the third roller 604; a ninth roller 610 is rotatably connected to the rear portion of the third fixed frame 5, and the ninth roller 610 is positioned on the upper side of the fifth roller 606; the right part of the third fixing frame 5 is connected with a third motor 611 through a bolt; an output shaft of the third motor 611 is fixedly connected with the eighth roller 609; an output shaft of the third motor 611 is fixedly connected with a double-track driving wheel 612; a front driving wheel 613 is fixedly connected to the right end of the seventh roller 608; a transmission belt is wound between the left rail of the double-rail transmission wheel 612 and the front transmission wheel 613; a rear driving wheel 614 is fixedly connected to the right end of the ninth roller 610; a transmission belt is wound between the right rail of the double-rail transmission wheel 612 and the rear transmission wheel 614.

As shown in fig. 12-13, the utility model further comprises a cutting unit, the rear part of the third fixing frame 5 is provided with the cutting unit, the cutting unit comprises a fourth track 701, a fourth electric slide block 702, a first electric scissors 703, a distance measuring wheel mechanism 704, a fifth track 705, a fifth electric slide block 706, a second electric scissors 707 and an identification probe 708; a fourth rail 701 is fixedly connected to the rear part of the third fixing frame 5; the left side and the right side of the fourth track 701 are respectively connected with a fourth electric slide block 702 in a sliding manner; the upper surfaces of the two fourth electric sliding blocks 702 are respectively fixedly connected with a first electric scissors 703; a distance measuring wheel mechanism 704 is fixedly connected to the left side of the rear part of the third fixing frame 5; a fifth rail 705 is fixedly connected to the right side of the rear part of the first fixing frame 1; a fifth electric slider 706 is connected to the upper part of the fifth rail 705 in a sliding manner; a second electric scissors 707 is fixedly connected to the upper surface of the fifth electric sliding block 706; two recognition probes 708 are fixed to the right portion of the lower surface of the first rail 102 on the rear side.

As shown in fig. 12 and 14, the roll-up device further includes a second fixing frame 4 and a roll-up unit, the second fixing frame 4 is fixedly connected to the right portion of the first fixing frame 1, the roll-up unit is disposed on the second fixing frame 4, and the roll-up unit includes a second lifting mechanism 801, a third supporting frame 802 and a tenth rolling roller 803; the left side and the right side of the second fixing frame 4 are respectively fixedly connected with a second lifting mechanism 801; a third supporting frame 802 is fixedly connected between the lifting ends of the two second lifting mechanisms 801; a tenth roller 803 is rotatably connected to an upper portion of the third supporting frame 802.

When the automatic assembling equipment for the centrifuge drum is used, the first ink inlet pipe 312 and the second ink inlet pipe 315 are externally connected with an ink jet printer, and then the data measurement work of the circumference of the inner wall of the drum and the data measurement work of the total height are carried out according to the steps.

Then the first lifting mechanism 101 drives the first rail 102 to lift upwards, so that the inner diameter measuring unit and the height measuring unit which finish the measuring work leave the rotary drum upwards, then the first electric slide block 103 moves rightwards along the first rail 102, simultaneously the output shaft of the second motor 106 drives the first fixing rod 107 to turn right through ninety degrees, so that the inner diameter measuring unit, the height measuring unit, the bolt fastening unit and the edge pressing unit are all rotated rightwards to be in a horizontal state, simultaneously the telescopic end of the first electric push rod 201 drives the central fixing frame 202 to contract upwards, so that the three lower fork arms 203 are mutually folded, the three folded lower fork arms 203 are horizontally arranged in front of the baffle 601, in the horizontal height measuring unit, the tip end part of the first ink storage block 307 and the tip end part of the second ink storage block 314 are respectively positioned at the left side and the right side in front of the baffle 601 and are in a downward state, at this time, the distance between the tip end portion of the first ink reservoir block 307 and the tip end portion of the second ink reservoir block 314 is the total height of the edge pressing height reserved on the basis of the measured height of the inner wall of the drum.

Then, an output shaft of the third motor 611 drives the eighth roller 609 and the double-track driving wheel 612 to rotate, the double-track driving wheel 612 drives the front driving wheel 613 and the rear driving wheel 614 through a driving belt simultaneously, the seventh roller 608 and the ninth roller 610 are driven to rotate, then an operator stretches the filter screen to be cut into a space between the second roller 603 and the seventh roller 608 along the first roller 602, and the seventh roller 608 conveys the filter screen backwards, so that the filter screen passes through the first roller 602, the space between the second roller 603 and the seventh roller 608, the space between the third roller 604 and the eighth roller 609, the space between the fourth roller 605, the fifth roller 606 and the ninth roller 610, and the sixth roller 607 sequentially.

When the filter screen passes through the tip part of the first ink storage block 307 and the tip part of the second ink storage block 314, the ink jet machine sprays marking ink lines to the left and right sides of the moving filter screen through the first ink inlet pipe 312 and the second ink inlet pipe 315 from the first ink outlet 307a and the second ink outlet 314a, the marking ink lines on the left and right sides of the filter screen are identified by the identification probe 708, the fourth electric sliding blocks 702 on the left and right sides move along the fourth track 701 respectively, so that the left and right first electric scissors 703 are aligned with the left and right sides of the filter screen on which the marking ink lines are marked respectively, the first electric scissors cut the two sides of the filter screen along the marking ink lines, the width of the cut filter screen is equal to the measured total height, when the filter screen passes through the distance measuring mechanism 704, the rotating wheel part of the distance measuring mechanism 704 is tightly attached to the upper surface of the filter screen 703, the moving distance of the filter screen is detected, when the distance measuring wheel mechanism 704 recognizes that the length of the filter screen passing through the right side of the second electric scissors 707 is equal to the circumference of the inner wall of the rotary drum, the third motor 611 stops working to stop the movement of the filter screen, the fifth electric slide block 706 moves rightwards along the fifth track 705, the filter screen is cut by the second electric scissors 707 which transversely move, and the cutting work of the filter screen is completed.

Then the operator takes out the remaining part of the filter screen in the conveying unit, and the output shaft of the third motor 611 drives the eighth roller 609 and the double-track driving wheel 612 to rotate reversely, at the same time, the operator pushes the cut filter screen forward into the gap between the fifth roller 606 and the ninth roller 610 from the rear side of the gap, so that the conveying unit conveys the filter screen forward, at the same time, the ascending and descending end of the second lifting mechanism 801 drives the third support frame 802 and the tenth roller 803 to move upward, so that the tenth roller 803 is located at the front side between the third roller 604 and the eighth roller 609, when the filter screen moves forward from the gap between the third roller 604 and the eighth roller 609, the filter screen is blocked by the tenth roller 803 and is rolled up along the tenth roller 803, so that each part of the filter screen is rolled up continuously, the whole filter screen is rolled up, and at the same time, the three lower arms 203 transversely arranged in front of the baffle 601, the height measuring unit, the bolt fastening unit and the edge pressing unit are located inside the rolled filter screen and are in a horizontal state, the filter screen is wrapped on the periphery of the rolled filter screen, and the rolled filter screen is clamped among the height measuring unit, the bolt fastening unit and the edge pressing unit after the rolling work of the filter screen is finished.

Then the first electric slide block 103 moves leftwards along the first track 102 to reset, and the output shaft of the second motor 106 drives the first fixing rod 107 to reversely turn right angle, so that the drum-shaped filter screen clamped between the height measuring unit, the bolt fastening unit and the edge pressing unit is moved and turned over to the upper part of the drum, then the first lifting mechanism 101 drives the first track 102 to move downwards, so that the drum-shaped filter screen extends into the drum, then the telescopic end of the first electric push rod 201 drives the central fixing frame 202 to move downwards, so that the central fixing frame 202 drives the lower fork arms 203 and the upper fork arms 205 to spread upwards, the three spread lower fork arms 203 spread the drum-shaped filter screen in the drum, then the first lifting mechanism 101 drives the first track 102 to move upwards, the height measuring unit, the bolt fastening unit and the edge pressing unit all leave the filter screen, after the filter screen is spread by the three lower fork arms 203 and attached to the inner wall of the drum, the first lifting mechanism 101 drives the first rail 102 to move downwards, and the drum is assembled according to the above.

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