An automatic cleaning device for the cylinder liner of a bending machine

Abstract

The present invention provides an automatic cleaning device for the cylinder sleeve of a bending machine, which relates to the technical field of cylinder cleaning devices, and comprises: a settling cone cover is welded at the middle position of the interior of the cleaning cylinder, the top part of the settling cone cover is in a vertical circular ring structure, and a suction conveying wheel is rotatably installed inside the vertical circular ring; the suction conveying wheel is composed of a mitre wheel frame, a circle of impellers and a rotating pipe, wherein a circle of impellers is arranged in an inclined twisted manner, and a circle of impellers is welded to the bottom of the mitre wheel frame, and a rotating pipe arranged downward is welded at the center of the mitre wheel frame, and a supporting ring is rotatably installed at the top of the rotating pipe. The diameter of the suction conveying wheel is larger than the rotating surrounding coverage area of ​​the three U-shaped brush frames, and the suction conveying wheel is located at the bottom side of the guide cylinder sleeve, and when it rotates, it can suck and guide the cleaning water on both sides of the inner and outer sides of the guide cylinder sleeve downward, and at the same time suck and collect the impurities washed down downward, which helps to indirectly ensure the cleaning effect of the guide cylinder sleeve.

Description

Technical Field

[0001] The invention relates to the technical field of oil cylinder cleaning devices, and in particular to an automatic cleaning device for an oil cylinder liner of a bending machine. Background Art

[0002] The hydraulic cylinder of a bending machine generally refers to a hydraulic cylinder, which mainly includes a cylinder barrel, a guide cylinder sleeve installed inside the cylinder barrel, and a piston rod that penetrates and fits the guide cylinder sleeve and is slidably inserted into the cylinder barrel. When the hydraulic cylinder is working, the piston rod is driven by hydraulic oil to perform telescopic movement;

[0003] The guide cylinder sleeve must be strictly cleaned after processing before the hydraulic cylinder can be assembled. The quality of the cleaning inside the cylinder sleeve is directly related to the working performance of the hydraulic cylinder. A special cleaning device is required to clean the cylinder sleeve.

[0004] When cleaning the cylinder liner, the existing immersion oil cylinder cleaning device lacks a mechanism to collect the impurities swept away and suppress their dispersion, resulting in the impurities swept away being likely to stay inside or around the outside of the cylinder liner for a long time, and having a certain probability of being dispersed and attached to the inner and outer walls of the cylinder liner, resulting in residual impurities on the cylinder liner, affecting the cleaning effect. Summary of the invention

[0005] In view of this, the present invention provides an automatic cleaning device for the cylinder liner of a bending machine, so as to solve the problem that there is a lack of a mechanism to collect and suppress the impurities swept away from the cylinder liner, resulting in the impurities swept away being likely to stay inside or around the outside of the cylinder liner for a long time, and having a certain probability of drifting and attaching to the inner and outer wall surfaces of the cylinder liner, resulting in impurities remaining on the cylinder liner, affecting the cleaning effect.

[0006] The technical solution proposed by the present invention is: an automatic cleaning device for the cylinder sleeve of a bending machine, specifically comprising a cleaning cylinder, a cleaning motor and a guide cylinder sleeve, wherein the cleaning cylinder contains cleaning water, and a cleaning motor is installed at a central position above the top of the cleaning cylinder for lifting, and a component for brushing the guide cylinder sleeve is welded at the bottom of the rotating shaft of the cleaning motor;

[0007] The components for brushing the guide cylinder sleeve are composed of a star-shaped rotating frame and three drive plug shafts, wherein a drive plug shaft is installed on the outer vertical rod of each U-shaped brush frame through spring pushing and sliding;

[0008] A sedimentation cone cover is welded to the middle position of the interior of the cleaning cylinder, and the top part of the sedimentation cone cover is an upright circular ring structure, and a suction and conveying wheel is rotatably installed inside the upright circular ring; the suction and conveying wheel is composed of a Mi-shaped wheel frame, a circle of impellers and a rotating tube, wherein a circle of impellers is arranged in an inclined twisted manner, and a circle of impellers is welded to the bottom of the Mi-shaped wheel frame, and a downwardly arranged rotating tube is welded at the center of the Mi-shaped wheel frame, and a supporting ring is rotatably installed at the top of the rotating tube, and the supporting ring is used to carry and place the guide cylinder sleeve; a sliding rod is inserted and slidably inserted into the interior of the rotating tube through a spring push, and a blocking cone cover is welded to the bottom of the sliding rod; the bottom sections of the three driving plug shafts protrude downward and are inserted into the fan-shaped interval space between a circle of horizontal support shafts of the Mi-shaped wheel frame;

[0009] A short material discharge pipe is welded at the bottom center of the settling cone cover, a circle of vertical support shafts are welded around the bottom of the short material discharge pipe, a discharge pipe is welded at the bottom of the circle of vertical support shafts, the discharge pipe is welded through the bottom plate of the cleaning cylinder, and a threaded cover is screwed on the bottom opening of the discharge pipe;

[0010] The filter cartridge is inserted through the short discharge pipe, the cylindrical space formed by a circle of vertical support shafts and the interior of the discharge pipe. A circle of top shafts is welded around the top of the filter cartridge. The circle of top shafts slides upward and comes into contact with the plugging cone cover, and the threaded cover comes into contact with the bottom side of the filter cartridge.

[0011] Furthermore,

[0012] Brushes are fixed on one side of two vertical rods at three U-shaped brush wiping frames close to each other, and the three U-shaped brush wiping frames are sleeved and matched with the circumferential side wall of the guide cylinder sleeve.

[0013] Furthermore,

[0014] Three U-shaped brush frames and three positioning rollers are welded around the bottom of the outer circumference of the star-shaped rotating frame. The three U-shaped brush frames and the three positioning rollers are arranged vertically. The three positioning rollers and the three U-shaped brush frames are arranged alternately with each other, and the three positioning rollers are inserted into the interior of the guide cylinder sleeve and are in rolling contact with the circumferential inner wall of the guide cylinder sleeve.

[0015] Furthermore,

[0016] Two vertical limit shafts are welded on the circumferential outer wall of the cleaning cylinder at intervals, and L-shaped drive rods are slidably mounted on the two vertical limit shafts, and the cleaning motor is hoisted at the bottom of the head end of the L-shaped drive rod;

[0017] The upper and lower ends of the two vertical limit shafts are welded with fixings connected to the cleaning cylinder, and a vertical lead screw is rotatably installed through the middle part of the two fixings, and the vertical lead screw is screwed and penetrated with the horizontal bending part on the bottom side of the L-shaped driving rod;

[0018] A lifting motor connected to the vertical lead screw shaft for transmission is hoisted at the bottom of the fixing member on the bottom side.

[0019] Furthermore,

[0020] A mounting ring is welded at the center of the opening at the top end of the settling cone cover, and the bottom side portion of the rotating tube is rotatably matched with the mounting ring.

[0021] Furthermore,

[0022] A counterweight ring is welded at the bottom opening of the filter cartridge, and the inner side of the counterweight ring is a conical guide structure.

[0023] Furthermore,

[0024] The bottoms of the three positioning rollers are all tapered guide structures.

[0025] Furthermore,

[0026] The diameter of the plugging cone cover is larger than the inner diameter of the short tube for feeding.

[0027] Furthermore,

[0028] When a circle of top shafts pushes the plugging cone cover upward, a circle of spacing grooves between the circle of top shafts protrudes above the bottom opening of the sedimentation cone cover.

[0029] Furthermore,

[0030] The cleaning motor is controlled by a time controller to automatically stop after running for a period of time.

[0031] The invention provides an automatic cleaning device for the cylinder liner of a bending machine, which has the following beneficial effects:

[0032] In the present invention, the diameter of the suction and conveying wheel is larger than the rotational surrounding coverage area of ​​the three U-shaped brush frames, and the suction and conveying wheel is located on the bottom side of the guide cylinder sleeve. When the suction and conveying wheel rotates, it can suck and convey the cleaning water on both sides of the inner and outer sides of the guide cylinder sleeve downward, and at the same time, the impurities scrubbed down are sucked and collected downward, so as to avoid the impurities swept from staying inside or around the outer side of the guide cylinder sleeve for a long time, and there is a certain probability that the impurities will drift and adhere to the inner and outer wall surfaces of the guide cylinder sleeve, resulting in residual impurities on the guide cylinder sleeve, which helps to indirectly ensure the cleaning effect of the guide cylinder sleeve.

[0033] In addition, the support ring can rotate freely. Under the heavy downward pressure of the guide cylinder sleeve, the rotation resistance of the guide cylinder sleeve and the support ring is relatively large. This can make the guide cylinder sleeve and the support ring remain stationary or rotate at a speed lower than that of the star rotating frame during the rotation cleaning of the Pozigzag wheel frame and the star rotating frame, thereby ensuring a speed difference between the guide cylinder sleeve and the three U-shaped brush frames, and ensuring the normal implementation of the relative friction cleaning function of the three U-shaped brush frames on the guide cylinder sleeve.

[0034] In addition, the three drive plug shafts are installed with spring push-up, which allows the three drive plug shafts and the Pozigzag wheel frame to perform normal plug-in and matching operations regardless of the misalignment and rotation to any angle, making operation and use convenient.

[0035] In addition, the impurities can be filtered faster under the suction load of the suction conveying wheel, which is more efficient and more thorough than simply using gravity sedimentation to separate and filter the impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0037] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0038] In the attached picture:

[0039] Figure 1 The overall front side structural schematic diagram of the present invention is shown;

[0040] Figure 2 The overall rear side structure schematic diagram of the present invention is shown;

[0041] Figure 3 A schematic diagram of the inner structure of a half-section of the cleaning cylinder of the present invention is shown;

[0042] Figure 4 It shows a schematic diagram of the U-shaped brush frame and the guide cylinder sleeve of the present invention in a sleeve-fitting state;

[0043] Figure 5 It shows a schematic diagram of the U-shaped brush frame and the guide cylinder sleeve being lifted and separated;

[0044] Figure 6 A schematic diagram of the structure of the settling cone cover of the present invention is shown;

[0045] Figure 7 A schematic diagram of the inner side structure of a half-section of a settling cone cover of the present invention is shown;

[0046] Figure 8 The schematic diagram of the filter cartridge structure of the present invention is shown;

[0047] Fig. 9 A schematic diagram of the inner side structure of a half-section of a rotating tube of the present invention is shown;

[0048] Reference numerals list

[0049] 1. Cleaning cylinder; 101. Vertical lead screw; 102. Vertical limit axis; 103. L-shaped driving rod;

[0050] 2. Cleaning motor; 201. Star-shaped rotating frame; 202. U-shaped brush frame; 203. Driving plug shaft; 204. Positioning roller;

[0051] 3. Guide cylinder sleeve;

[0052] 4. Suction conveying wheel; 401. Pozidrivium wheel frame; 402. Impeller; 403. Rotating pipe; 404. Conical cover of plugging cover; 405. Sliding rod; 406. Support ring;

[0053] 5. Settling cone cover; 501. Short tube for unloading; 502. Vertical support shaft; 503. Unloading pipe; 504. Threaded cover; 505. Mounting ring;

[0054] 6. Filter cartridge; 601. Top shaft; 602. Counterweight ring. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0056] Please refer to Figures 1 to 9 , an embodiment provided by the present invention

[0057] The present invention proposes an automatic cleaning device for a hydraulic cylinder sleeve of a bending machine, comprising a cleaning cylinder 1, a cleaning motor 2 and a guide cylinder sleeve 3. The cleaning cylinder 1 contains cleaning water, and the cleaning motor 2 is installed at a central position above the top of the cleaning cylinder 1. A component for brushing the guide cylinder sleeve 3 is welded at the bottom of the rotating shaft of the cleaning motor 2.

[0058] The brush guide cylinder sleeve 3 is composed of a star-shaped rotating frame 201 and three drive plug shafts 203, wherein a drive plug shaft 203 is installed on the outer vertical rod of each U-shaped brush frame 202 through spring pushing and sliding;

[0059] A sedimentation cone cover 5 is welded to the middle position inside the cleaning cylinder 1, and the top part of the sedimentation cone cover 5 is an upright circular ring structure, and a suction and conveying wheel 4 is rotatably installed inside the upright circular ring; the suction and conveying wheel 4 is composed of a 401 wheel frame, a circle of impellers 402 and a rotating pipe 403, wherein the circle of impellers 402 is arranged in an inclined twisted manner, and the circle of impellers 402 is welded to the bottom of the 401 wheel frame, and a rotating pipe 403 arranged downward is welded at the center of the 401 wheel frame, and a supporting ring 406 is rotatably installed on the top of the rotating pipe 403, and the supporting ring 406 is used to carry and place the guide cylinder sleeve 3, and the supporting ring 406 can rotate freely. Under the downward heavy pressure of the guide cylinder sleeve 3, the rotation resistance of the guide cylinder sleeve 3 and the supporting ring 406 is large, which can keep the guide cylinder sleeve 3 and the supporting ring 406 static during the rotation and cleaning of the 401 wheel frame 401 and the star-shaped rotating frame 201 The rotation speed of the star-shaped rotating frame 201 is stopped or follows the rotation at a speed less than that of the star-shaped rotating frame 201, so as to ensure that there is a speed difference between the guide cylinder sleeve 3 and the three U-shaped brush wiping frames 202, and to ensure that the three U-shaped brush wiping frames 202 have a normal relative friction cleaning function on the guide cylinder sleeve 3; the interior of the rotating tube 403 is pushed through by a spring and a sliding rod 405 is inserted into the sliding, and a blocking cone cover 404 is welded at the bottom of the sliding rod 405; the bottom sections of the three driving plug shafts 203 protrude downward and are inserted into the fan-shaped interval space between a circle of horizontal support shafts of the M-shaped wheel frame 401. When cleaning, the three driving plug shafts 203 rotate clockwise with the star-shaped rotating frame 201, and the clockwise rotation of the three driving plug shafts 203 will abut against the three horizontal support shafts close to it on the star-shaped rotating frame 201, and push to drive the suction and conveying wheel 4 to rotate as a whole, so that the suction and conveying wheel 4 is driven by the driving force of the cleaning motor 2;

[0060] It is worth noting that the diameter of the suction conveying wheel 4 is larger than the rotation surrounding coverage area of ​​the three U-shaped brushing frames 202, and the suction conveying wheel 4 is located at the bottom side of the guide cylinder sleeve 3. When it rotates, it can suck and guide the cleaning water on both sides of the inner and outer sides of the guide cylinder sleeve 3 downward, and at the same time, suck and collect the impurities scrubbed downward, so as to avoid the impurities cleaned from staying inside or around the outer side of the guide cylinder sleeve 3 for a long time, and there is a certain probability that they will drift and adhere to the inner and outer wall surfaces of the guide cylinder sleeve 3, resulting in residual impurities on the guide cylinder sleeve 3, which helps to indirectly ensure the cleaning effect of the guide cylinder sleeve 3;

[0061] The three driving plug-in shafts 203 are installed by spring pushing. When they come into contact with a circle of horizontal support shafts or a circle of impellers 402 during the process of sliding downward and plugging with the M-shaped wheel frame 401 to implement power transmission, they can be pushed upward to slide into an empty position to avoid the influence of rigid support blocking on the plug-in cooperation between the three U-shaped brush frames 202 and the guide cylinder sleeve 3. After the M-shaped wheel frame 401 can start to rotate and the three driving plug-in shafts 203 are separated from the circle of horizontal support shafts or the circle of impellers 402, the springs on the three driving plug-in shafts 203 can push them downward out of the fan-shaped interval space between the circle of horizontal support shafts to complete the plug-in power transmission with the M-shaped wheel frame 401. This can ensure that the three driving plug-in shafts 203 and the M-shaped wheel frame 401 can implement normal plug-in cooperation operations regardless of the misalignment and rotation to any angle, and the operation is convenient.

[0062] A short feed pipe 501 is welded at the bottom center of the settling cone cover 5, a circle of vertical support shafts 502 are welded around the bottom of the short feed pipe 501, a discharge pipe 503 is welded at the bottom of the circle of vertical support shafts 502, the discharge pipe 503 is welded through the bottom plate of the cleaning cylinder 1, and a threaded cover 504 is screwed on the bottom opening of the discharge pipe 503. The cleaning water mixed with impurities is sucked downward by the suction conveying wheel 4 and guided into the filter cartridge 6. Under the suction load of the suction conveying wheel 4, the filter cartridge is A pressure difference is formed between the inside and outside of the filter cartridge 6. Under the support of this pressure difference, the cleaning water entering the filter cartridge 6 is pressed and discharged to the bottom space of the cleaning cartridge 1 through the filter screen around the filter cartridge 6 and the space between a circle of vertical support shafts 502. In this process, impurities in the cleaning water are intercepted in the filter cartridge 6, and the separation and filtration of impurities are completed. The impurity filtration can be accelerated under the suction load of the suction conveying wheel 4. Compared with the separation and filtration of impurities by simply using gravity sedimentation, the efficiency is higher and the filtration is more thorough.

[0063] After the threaded cover 504 is opened, the impurities in the filter cartridge 6 can be cleaned. When the threaded cover 504 is reversed and disassembled to open the opening, the filter cartridge 6 can automatically slide downward and slip out of the discharge pipe 503 under the heavy pressure of the impurities inside it and the counterweight ring 602 and the pushing drive of the spring inside the rotating tube 403, which saves the trouble of additional manual extraction and disassembly. When the filter cartridge 6 slides downward and a circle of top shaft 601 gradually separates from the plugging cone cover 404, the plugging cone cover 404 can be automatically pushed downward by the spring inside the rotating tube 403 to cover the bottom opening of the sedimentation cone cover 5 (refer to Fig. 9 ), to avoid continuous pouring loss of cleaning water, when the filter cartridge 6 is inserted upward in the discharge pipe 503, a circle of top shaft 601 can push up and open the plugging cone cover 404, and then through the power transmission of a circle of top shaft 601, the filter cartridge 6 can complete the opening of the bottom of the sedimentation cone cover 5 when it is inserted and disassembled and cleaned up and down, saving the trouble of additional manual opening and closing;

[0064] A filter cartridge 6 is inserted through the cylindrical space formed by the discharge short tube 501, a circle of vertical support shafts 502, and the interior of the discharge pipe 503. A circle of top shaft 601 is welded around the top of the filter cartridge 6. The circle of top shaft 601 slides upward and comes into contact with the plugging cone cover 404, and the threaded cover 504 comes into contact with the bottom side of the filter cartridge 6.

[0065] Preferably,

[0066] Brushes are fixed on one side of the two vertical rods of the three U-shaped brush wiping frames 202 that are close to each other, and the three U-shaped brush wiping frames 202 are specifically inserted and matched with the circumferential side wall of the guide cylinder sleeve 3. The cleaning motor 2 can rotate to drive the star-shaped rotating frame 201, the three U-shaped brush wiping frames 202 and the three positioning rollers 204 to rotate around the guide cylinder sleeve 3, wherein the three U-shaped brush wiping frames 202 use the inner and outer brushes thereon to sweep and clean the inner and outer wall surfaces of the guide cylinder sleeve 3, and the three positioning rollers 204 are in rolling contact with the circumferential inner wall of the guide cylinder sleeve 3 to implement centering of the guide cylinder sleeve 3, so that the guide cylinder sleeve 3 and the star-shaped rotating frame 201 remain concentric during the cleaning process, so as to avoid the guide cylinder sleeve 3 from moving and deviating and intermittently or long-term separation of the inner and outer brushes on the U-shaped brush wiping frame 202, which affects the thorough cleaning of the guide cylinder sleeve 3;

[0067] It is noteworthy that the cleaning motor 2 rotates clockwise.

[0068] Preferably,

[0069] Three U-shaped brush frames 202 and three positioning rollers 204 are welded around the bottom of the outer circumference of the star-shaped rotating frame 201. The three U-shaped brush frames 202 and the three positioning rollers 204 are arranged vertically. The three positioning rollers 204 and the three U-shaped brush frames 202 are arranged alternately with each other, and the three positioning rollers 204 are inserted into the interior of the guide cylinder sleeve 3.

[0070] Preferably,

[0071] Two vertical limit shafts 102 are welded on the circumferential outer wall of the cleaning cylinder 1 at intervals inside and outside, and L-shaped driving rods 103 are slidably mounted on the two vertical limit shafts 102, and the cleaning motor 2 is hoisted at the bottom of the head end of the L-shaped driving rod 103;

[0072] The upper and lower ends of the two vertical limit shafts 102 are welded with fixings connected to the cleaning cylinder 1, and a vertical lead screw 101 is rotatably installed between the middle parts of the two fixings, and the vertical lead screw 101 is screwed and penetrated with the horizontal bending part of the bottom side of the L-shaped driving rod 103;

[0073] A lifting motor connected to the vertical lead screw 101 is installed at the bottom of the bottom fixing part. When in use, the lifting motor drives the L-shaped drive rod 103 and the star-shaped rotating frame 201 to slide up and down through the forward and reverse rotation of the vertical lead screw 101, thereby performing insertion and extraction coordination with the three U-shaped brush frames 202 and the three positioning rollers 204 and the filter cartridge 6.

[0074] Preferably,

[0075] A mounting ring 505 is welded at the center of the top opening of the settling cone cover 5 , and the bottom side portion of the rotating tube 403 penetrates and rotates with the mounting ring 505 .

[0076] Preferably,

[0077] A weight ring 602 is welded at the bottom opening of the filter cartridge 6 , and the inner side of the weight ring 602 is a conical guide structure.

[0078] It is worth noting that the bottoms of the three positioning rollers 204 are all tapered guide structures.

[0079] It is worth noting that the diameter of the plugging cone hood 404 is larger than the inner diameter of the feeding short tube 501 .

[0080] It is worth noting that when the top shaft 601 lifts the plugging cone cover 404 upward, a circle of spacing grooves between the top shafts 601 protrude above the bottom opening of the sedimentation cone cover 5, and the cleaning water sucked downward by the suction and conveying wheel 4 flows into the filter cartridge 6 through a circle of spacing grooves.

[0081] It is worth noting that the cleaning motor 2 automatically stops after running for a period of time under the control of the time controller.

[0082] Working principle of this embodiment: When in use, the lifting motor drives the L-shaped driving rod 103 and the star-shaped rotating frame 201 to slide up and down through the forward and reverse rotation of the vertical screw 101, and the three U-shaped brush frames 202 and the three positioning rollers 204 are inserted and pulled together with the filter cartridge 6;

[0083] The three U-shaped brush frames 202 are specifically inserted and matched with the circumferential side walls of the guide cylinder sleeve 3. The cleaning motor 2 can rotate to drive the star-shaped rotating frame 201, the three U-shaped brush frames 202 and the three positioning rollers 204 to rotate around the guide cylinder sleeve 3, wherein the three U-shaped brush frames 202 use the inner and outer brushes thereon to sweep and clean the inner and outer wall surfaces of the guide cylinder sleeve 3, and the three positioning rollers 204 are in rolling contact with the circumferential inner wall of the guide cylinder sleeve 3 to implement centering positioning on the guide cylinder sleeve 3, so that the guide cylinder sleeve 3 and the star-shaped rotating frame 201 are kept concentric during the cleaning process, so as to avoid the guide cylinder sleeve 3 from moving and deviating and intermittently or long-term separation of the inner and outer brushes on the U-shaped brush frame 202, which affects the thorough cleaning of the guide cylinder sleeve 3;

[0084] The three driving plug shafts 203 rotate clockwise with the star-shaped rotating frame 201, and the three driving plug shafts 203 rotate clockwise to contact with the three horizontal support shafts close to them on the star-shaped rotating frame 201, and push to drive the suction and conveying wheel 4 to rotate as a whole. The diameter of the suction and conveying wheel 4 is larger than the rotation surrounding coverage area of ​​the three U-shaped brush frames 202, and the suction and conveying wheel 4 is located on the bottom side of the guide cylinder sleeve 3. When it rotates, it can suck and guide the cleaning water on both sides of the guide cylinder sleeve 3 downward, and at the same time suck and collect the impurities washed down downward;

[0085] The cleaning water mixed with impurities is sucked downward by the suction conveying wheel 4 and guided into the filter cartridge 6. Under the suction load of the suction conveying wheel 4, a pressure difference is formed between the inside and outside of the filter cartridge 6. Under the support of this pressure difference, the cleaning water entering the filter cartridge 6 is pressed and discharged into the bottom space of the cleaning cylinder 1 through the filter screen around the filter cartridge 6 and the space between a circle of vertical support shafts 502. In this process, the impurities in the cleaning water are intercepted in the filter cartridge 6, and the separation and filtration of the impurities are completed. After the threaded cover 504 is opened, the impurities in the filter cartridge 6 can be cleaned;

[0086] The lifting motor adopts inching start and stop, and the cleaning motor 2 is manually started and automatically stops after a period of cleaning operation controlled by a time controller.

[0087] In this article, there are a few points to note:

[0088] 1. The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention, and other structures can refer to the general design.

[0089] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0090] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An automatic cleaning device for a hydraulic cylinder liner of a bending machine, comprising: A cleaning cylinder (1), a cleaning motor (2) and a guide cylinder sleeve (3), wherein the cleaning cylinder (1) contains cleaning water, and a cleaning motor (2) is installed at a central position above the top of the cleaning cylinder (1) in a lifting manner, and a component for brushing the guide cylinder sleeve (3) is welded to the bottom of the rotating shaft of the cleaning motor (2); The invention is characterized in that the components for brushing the guide cylinder sleeve (3) are composed of a star-shaped rotating frame (201) and three drive plug shafts (203), wherein a drive plug shaft (203) is slidably installed on the outer vertical rod of each U-shaped brush frame (202) through spring pushing; A sedimentation cone (5) is welded to the middle position of the interior of the cleaning cylinder (1); the top portion of the sedimentation cone (5) is in the form of an upright circular ring structure, and a suction conveying wheel (4) is rotatably mounted inside the upright circular ring; the suction conveying wheel (4) is composed of a 'Piece-shaped' wheel frame (401), a circle of impellers (402), and a rotating tube (403); the circle of impellers (402) is arranged in an inclined and twisted manner, and the circle of impellers (402) is welded to the bottom of the 'Piece-shaped' wheel frame (401); and the 'Piece-shaped' wheel frame (401) is provided with a plurality of impellers (402) arranged in a plurality of impellers (402). A downwardly arranged rotating tube (403) is welded at the center, and a supporting ring (406) is rotatably mounted on the top of the rotating tube (403), and the supporting ring (406) is used to carry and place the guide cylinder sleeve (3); a sliding rod (405) is inserted and slidably inserted into the interior of the rotating tube (403) through a spring push, and a blocking cone cover (404) is welded to the bottom of the sliding rod (405); the bottom sections of the three driving plug shafts (203) protrude downward and are inserted into the fan-shaped interval space between a circle of horizontal support shafts of the M-shaped wheel frame (401); A short material discharge tube (501) is welded at the center of the bottom of the settling cone cover (5), a circle of vertical support shafts (502) are welded around the bottom of the short material discharge tube (501), a discharge tube (503) is welded at the bottom of the circle of vertical support shafts (502), the discharge tube (503) is welded to the bottom plate of the cleaning cylinder (1), and a threaded cover (504) is screwed on the bottom opening of the discharge tube (503); The cylindrical space formed by the discharge short tube (501), a circle of vertical support shafts (502) and the discharge pipe (503) are penetrated by a filter cartridge (6), a circle of top shaft (601) is welded around the top of the filter cartridge (6), the circle of top shaft (601) slides upward and abuts against the plugging cone cover (404), and the threaded cover (504) abuts against the bottom side of the filter cartridge (6); Brushes are fixed on the two sides of the vertical rods of the three U-shaped brush frames (202) close to each other, and the three U-shaped brush frames (202) are sleeved and fitted with the circumferential side wall of the guide cylinder sleeve (3); Three U-shaped brush frames (202) and three positioning rollers (204) are welded around the outer bottom of the star-shaped rotating frame (201); the three U-shaped brush frames (202) and the three positioning rollers (204) are arranged vertically; the three positioning rollers (204) and the three U-shaped brush frames (202) are arranged alternately and at intervals; and the three positioning rollers (204) are inserted into the interior of the guide cylinder sleeve (3) and are in rolling contact with the circumferential inner wall of the guide cylinder sleeve (3); Two vertical limit shafts (102) are welded on the circumferential outer wall of the cleaning cylinder (1) at intervals, and L-shaped drive rods (103) are slidably mounted on the two vertical limit shafts (102). The cleaning motor (2) is hoisted at the bottom of the head end of the L-shaped drive rod (103); The upper and lower ends of the two vertical limit shafts (102) are welded with fixing parts connected to the cleaning cylinder (1), and a vertical lead screw (101) is rotatably installed between the middle parts of the two fixing parts. The vertical lead screw (101) is screwed and penetrated to cooperate with the horizontal bending part at the bottom side of the L-shaped driving rod (103); A lifting motor connected to the vertical lead screw (101) for transmission is hoisted at the bottom of the fixing member on the bottom side.

2. The automatic cleaning device for the cylinder liner of a bending machine according to claim 1 is characterized in that: A mounting ring (505) is welded at the central position of the top opening of the settling cone cover (5), and the bottom side portion of the rotating tube (403) penetrates and rotates with the mounting ring (505).

3. The automatic cleaning device for the cylinder liner of a bending machine according to claim 1 is characterized in that: A counterweight ring (602) is welded to the bottom opening of the filter cartridge (6), and the inner side of the counterweight ring (602) is a conical guide structure.

4. The automatic cleaning device for the cylinder liner of a bending machine according to claim 1 is characterized in that: The bottoms of the three positioning rollers (204) are all tapered guide structures; The diameter of the plugging cone cover (404) is larger than the inner diameter of the feeding short tube (501); When a circle of the top shafts (601) pushes the plugging cone cover (404) upward, a circle of spacing grooves between the circle of top shafts (601) protrudes above the bottom opening of the sedimentation cone cover (5).

5. The automatic cleaning device for the cylinder liner of a bending machine according to claim 1 is characterized in that: The cleaning motor (2) is controlled by a time controller to automatically stop after running for a period of time.

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