Rust removal device of printing cropping frame

Abstract

The utility model discloses a derusting device of a printing cropping frame, which belongs to the technical field of derusting devices and comprises a base, a programmable controller is fixedly connected to the operation side wall of the base, and two assembly toothed plates are symmetrically placed on two sides of the top end of the base; the rust removal device is composed of a base, two rectangular frames, a rust removal ring piece and a sweeping ring brush, a driving mechanism for driving the two rectangular frames to move in the direction close to or away from each other is assembled between the base and the two rectangular frames, meanwhile, clamping mechanisms are arranged in the rectangular frames, a pressure sensor is arranged on one rectangular frame, and the other rectangular frame is provided with a pressure sensor. According to the device, the clamping mechanism on one rectangular frame is used for clamping and moving to carry out rust removal and cleaning, then the pressure sensor is used for sensing the moving position of the cloth falling frame transmission roller, and when the cloth falling frame transmission roller moves to the proper position, the clamping mechanism on the other rectangular frame is used for clamping and continuously moving to carry out rust removal and cleaning. And comprehensive rust removal and cleaning of the doffing frame driving roller can be realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of rust removal devices, and in particular relates to a rust removal device for a printing cloth drop rack. Background Art

[0002] The rotary screen printing machine is a machine that uses a scraper to print the color paste in the rotary screen onto the fabric under pressure. It is usually composed of a cloth feeding device, a printing head, a drying device and a cloth dropping device. Among them, the cloth dropping device is usually composed of a transmission roller and a cloth swing mechanism. When dropping the cloth, the transmission roller conveys the cloth dried by the drying device, and then the cloth swing mechanism pulls it into the cloth cart. Since the temperature of the cloth coming out of the drying device is relatively high, the transmission roller is generally a metal roller. Before the transmission roller is assembled into a printing cloth dropping rack, it is easy to rust due to the influence of the environment in which the metal roller is placed. Therefore, a rust removal device is generally required to remove rust on the surface before the cloth dropping rack is assembled and produced. Patent No. 2022234 51656.4 discloses a surface rust removal device for a working roller, which consists of a base, two side plates with through holes symmetrically installed on both sides of the top of the base, a clamping mechanism installed on the side plates, a movable plate with through holes installed on the top of the base and between the two side plates, a moving mechanism installed between the two side plates and the movable plate, and a rotatable rust removal and cleaning brush head installed on the movable plate. When the device removes rust from the surface of the working roller, the working roller is passed through the through holes of the side plate on one side, the movable plate and the other side plate in turn, the working roller is clamped by the clamping mechanisms on the two side plates, the moving mechanism is started, the movable plate is driven to move, and the movable plate drives the rotating rust removal and cleaning brush head to remove rust from the surface of the working roller.

[0003] The inventor of the present application found that the mobile rust removal mechanism of the above-mentioned existing device is arranged between the two side plates, that is, the mobile rust removal mechanism cannot remove rust from the working roller surfaces at both ends of the working roller, that is, extending to the two side plates and the clamping mechanism, and the rust removal is not comprehensive enough. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a rust removal device for a printing cloth drop rack, which has the characteristics of achieving comprehensive rust removal and cleaning of the transmission roller of the cloth drop rack.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rust removal device for a printed cloth drop rack, comprising: a base, an operating side wall of the base is fixedly connected to a programmable controller, two assembly tooth plates are symmetrically placed on both sides of the top of the base, a first driving mechanism that can drive the two assembly tooth plates to approach or move away from each other at the same time is installed between the bottom ends of the two assembly tooth plates and the base, a positioning and moving mechanism is installed between the side walls of the assembly tooth plates and the base, a rectangular frame is fixedly connected to the tops of the two assembly tooth plates away from each other, two arc-shaped clamping blocks are symmetrically placed inside the rectangular frame, a second driving mechanism that drives the two arc-shaped clamping blocks to approach or move away from each other at the same time is installed between the two arc-shaped clamping blocks and the rectangular frame, a cloth drop rack driving roller is clamped and fixed between the two arc-shaped clamping blocks on one side, a pressure sensor is fixedly connected to one side of the two arc-shaped clamping blocks on the other side away from the one side of the two arc-shaped clamping blocks located on the same side of the rectangular frame, a rust removal ring sheet and a cleaning ring brush are symmetrically connected to the middle of the top of the base, and the first driving mechanism, the second driving mechanism and the pressure sensor are connected to the programmable controller by wires.

[0006] Furthermore, the first driving mechanism includes an assembly plate fixedly connected to the side wall of the base and two assembly cavities symmetrically opened on both sides of the top of the base, the first motor is fixedly connected to the assembly plate, and a connecting shaft is placed inside the assembly cavity, one end of the connecting shaft close to the first motor side passes through the base and extends to the outside world and is connected to the output shaft of the first motor through a coupling, and one end of the connecting shaft away from the first motor side passes through the base and extends to the outside world, the two connecting shafts close to and away from the first motor side are connected to the base through section through bearings, and the other ends of the two connecting shafts close to and away from the first motor side are connected to the side wall of the base through bearings, the two connecting shafts extending to the outside sections are respectively fixedly sleeved with pulleys, and the two pulleys are cross-frictionally connected with a transmission belt, the two connecting shafts are located in the assembly cavity and are respectively fixedly sleeved with gears meshing with the assembly toothed plate on the same side, and the first motor is connected to the programmable controller by wires.

[0007] Furthermore, the positioning and moving mechanism includes four positioning blocks fixedly connected to the top of the base at the four corners of the assembly tooth plate and two second movable blocks symmetrically fixed to the assembly tooth plate. A positioning rod is fixedly connected between the two positioning blocks located in the moving direction of the assembly tooth plate, and the two second movable blocks are movably connected on the positioning rod on the same side by means of open hole sleeve connection.

[0008] Furthermore, the second driving mechanism includes a second motor fixedly connected to the outer wall of the rectangular frame, a movable groove opened at the bottom end of the rectangular frame, and two first movable blocks fixedly connected to the bottom ends of the two arc-shaped clamping blocks, a double-headed screw is placed inside the movable groove, one end of the double-headed screw is connected to the output shaft of the second motor through a coupling, and the other end of the double-headed screw is connected to the inner wall of the rectangular frame through a bearing, the two first movable blocks are connected to the double-headed screw through two transmission nuts, and the second motor is connected to the programmable controller by wires.

[0009] Furthermore, a detachable mechanism is installed between the rust removal ring sheet and the cleaning ring brush and the base.

[0010] Furthermore, the detachable mechanism includes a fixed seat fixedly connected to the top of the base, a clamping ring fixedly connected to the outer wall of the rust removal ring sheet and the cleaning ring brush, and a movable seat placed on the top of the fixed seat, the top of the fixed seat and the bottom of the movable seat are respectively provided with two clamping grooves that can be spliced ​​to form a cross ring shape and clamp the clamping ring, the top of the fixed seat is symmetrically fixed with two threaded rods, the inside of the movable seat is symmetrically provided with two socket holes that are respectively socketed on the two threaded rods, and the threaded rod is threadedly connected with a locking nut located above the movable seat.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is composed of a base, two rectangular frames, a rust removal ring sheet and a cleaning ring brush. A driving mechanism for driving the two rectangular frames to move toward or away from each other is installed between the base and the two rectangular frames. At the same time, a clamping mechanism is arranged in the rectangular frame, and a pressure sensor is arranged on one rectangular frame. The device is clamped and moved by the clamping mechanism on one rectangular frame to remove rust and clean, and then the moving position of the driving roller of the cloth drop rack is sensed by the pressure sensor. When it moves to a suitable position, it is clamped by the clamping mechanism on the other rectangular frame and continues to move for rust removal and cleaning. Compared with the prior art, this device can realize comprehensive rust removal and cleaning of the driving roller of the cloth drop rack.

[0013] 2. The utility model is provided with a detachable mechanism between the rust removal ring piece and the cleaning ring brush and the base, which can realize the rust removal ring piece and the cleaning ring brush disassembly and assembly, and reduce the maintenance cost of the later device. At the same time, the rust removal ring piece and the cleaning ring brush can be taken out by unscrewing the locking nut and lifting up to take out the fixing seat, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a vertical cross-sectional view of the utility model;

[0016] Figure 3 For this utility model Figure 2Enlarged view of point A in the middle;

[0017] In the figure: 1. base; 2. connecting shaft; 3. pulley; 4. transmission belt; 5. first motor; 6. assembly plate; 7. programmable controller; 8. first movable block; 9. double-headed screw; 10. movable groove; 11. cloth drop rack drive roller; 12. rust removal ring; 13. cleaning ring brush; 14. positioning block; 15. assembly tooth plate; 16. arc clamping block; 17. pressure sensor; 18. rectangular frame; 19. second motor; 20. second movable block; 21. positioning rod; 22. assembly cavity; 23. gear; 24. fixed seat; 25. slot; 26. snap ring; 27. movable seat; 28. threaded rod; 29. ​​locking nut; 30. socket hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example 1

[0020] See also Figure 1-3 The utility model provides the following technical solutions: a rust removal device for a printed cloth drop rack, comprising: a base 1, a programmable controller 7 of model VH-24MR fixedly connected to the operating side wall of the base 1, two assembly tooth plates 15 symmetrically placed on both sides of the top of the base 1, a first driving mechanism that can drive the two assembly tooth plates 15 to move closer to or away from each other at the same time is installed between the bottom ends of the two assembly tooth plates 15 and the base 1, a positioning and moving mechanism is installed between the side wall of the assembly tooth plate 15 and the base 1, a rectangular frame 18 is fixedly connected to the top of the two assembly tooth plates 15 away from the side wall, and two arc-shaped clamping blocks 1 are symmetrically placed inside the rectangular frame 18. 6. A second driving mechanism for driving the two arc-shaped clamping blocks 16 to move closer to or away from each other is installed between the two arc-shaped clamping blocks 16 and the rectangular frame 18. A cloth drop rack driving roller 11 is clamped and fixed between the two arc-shaped clamping blocks 16 on one side, and a pressure sensor 17 with model number YYJ / GY1-1201 is fixedly connected to one side of the two arc-shaped clamping blocks 16 on the other side, and a rust removal ring sheet 12 and a cleaning ring brush 13 are symmetrically connected to the middle of the top of the base 1. The first driving mechanism, the second driving mechanism and the pressure sensor 17 are connected to the programmable controller 7 by wires.

[0021] See attached Figure 1When the device removes rust from the surface of the cloth drop rack driving roller 11, the cloth drop rack driving roller 11 is placed between the two arc-shaped clamping blocks 16 of the rectangular frame 18 close to the programmable controller 7. The programmable controller 7 controls the second driving mechanism on the same side to start, and the second driving mechanism drives the two arc-shaped clamping blocks 16 to move in a direction close to each other until the clamping of the cloth drop rack driving roller 11 stops. At this time, the programmable controller 7 controls the first driving mechanism to start, and the first driving mechanism drives the two assembly tooth plates 15 to move in a direction close to each other. During the movement of the assembly tooth plates 15 close to the programmable controller 7, the cloth drop rack driving roller 11 is driven to move in a direction close to the rust removal ring sheet 12 and through the rust removal ring sheet 12 and the cleaning ring brush 13. The rust removal ring sheet 12 removes rust from the surface of the cloth drop rack driving roller 11, and the cleaning ring brush 13 removes rust from the surface of the cloth drop rack driving roller 11. The remaining debris is cleaned up until the pressure sensor 17 of the rectangular frame 18 on the assembly tooth plate 15 on the side away from the programmable controller 7 senses a pressure signal, and the programmable controller 7 controls the first drive mechanism to stop driving, and at the same time controls the second drive mechanism of the rectangular frame 18 on the assembly tooth plate 15 on the side away from the programmable controller 7 to start clamping the cloth drop rack drive roller 11, controls the second drive mechanism of the rectangular frame 18 on the assembly tooth plate 15 on the side close to the programmable controller 7 to start clamping the cloth drop rack drive roller 11, and at the same time controls the first drive mechanism to drive in the opposite direction, so that the two assembly tooth plates 15 move away from each other, the rust removing ring sheet 12 continues to remove rust from the surface of the cloth drop rack drive roller 11, and the cleaning ring brush 13 continues to clean the debris remaining on the surface of the cloth drop rack drive roller 11 after rust removal, until the rust removal and cleaning of the surface of the cloth drop rack drive roller 11 is completed.

[0022] Specifically, the first driving mechanism includes an assembly plate 6 fixedly connected to the side wall of the base 1 and two assembly cavities 22 symmetrically opened on both sides of the top of the base 1. A first motor 5 with model number 5IK90RGU-CF is fixedly connected to the assembly plate 6. A connecting shaft 2 is placed inside the assembly cavity 22. One end of the connecting shaft 2 on the side close to the first motor 5 penetrates the base 1 and extends to the outside world and is connected to the output shaft of the first motor 5 through a coupling. One end of the connecting shaft 2 on the side away from the first motor 5 penetrates the base 1 and extends to the outside world. The two connecting shafts 2 on the side close to and away from the first motor 5 are connected to the through section of the base 1 through a bearing. The other ends of the two connecting shafts 2 on the side close to and away from the first motor 5 are connected to the side wall of the base 1 through a bearing. The two connecting shafts 2 extending to the outside world are respectively fixedly sleeved with pulleys 3, and the two pulleys 3 are cross-frictionally connected with a transmission belt 4. The two connecting shafts 2 are located in the assembly cavity 22 and are respectively fixedly sleeved with gears 23 meshing with the assembly tooth plate 15 on the same side. The first motor 5 is connected to the programmable controller 7 by wires.

[0023] See attached Figure 1-2When the first driving mechanism is working, the programmable controller 7 controls the first motor 5 to start, the first motor 5 drives the output shaft to rotate forward, the output shaft of the first motor 5 drives the connected connecting shaft 2 to rotate forward, the connected connecting shaft 2 drives the connected pulley 3 and the gear 23 to rotate forward, the connected pulley 3 drives the connected transmission belt 4 to rotate through friction transmission, the connected transmission belt 4 drives the other pulley 3 to rotate in the opposite direction through friction transmission, the other pulley 3 drives the connected connecting shaft 2 to rotate in the opposite direction, the connected connecting shaft 2 drives the gear 23 to rotate in the opposite direction, and the two gears 23 drive the two meshingly connected assembled toothed plates 15 to move in the direction of approaching each other during the forward and reverse rotation process, so as to realize the driving towards each other, and vice versa, the output shaft of the first motor 5 rotates in the opposite direction to realize the driving away from each other.

[0024] Specifically, the positioning and moving mechanism includes four positioning blocks 14 fixedly connected to the top of the base 1 at the four corners of the assembly tooth plate 15 and two second movable blocks 20 symmetrically fixed to the assembly tooth plate 15. A positioning rod 21 is fixedly connected between the two positioning blocks 14 located in the moving direction of the assembly tooth plate 15. The two second movable blocks 20 are movably connected on the positioning rod 21 on the same side through an open hole socket connection.

[0025] See attached Figure 1 When the positioning movement mechanism is working, the two second movable blocks 20 move in the same direction on the two positioning rods 21 along with the assembly tooth plate 15 to achieve positioning movement.

[0026] Specifically, the second driving mechanism includes a second motor 19 with model number 5IK90RGU-CF fixed to the outer wall of the rectangular frame 18, a movable groove 10 opened at the bottom end of the rectangular frame 18, and two first movable blocks 8 fixed to the bottom ends of the two arc-shaped clamping blocks 16. A double-headed screw 9 is placed inside the movable groove 10. One end of the double-headed screw 9 is connected to the output shaft of the second motor 19 through a coupling, and the other end of the double-headed screw 9 is connected to the inner wall of the rectangular frame 18 through a bearing. The two first movable blocks 8 are connected to the double-headed screw 9 through two transmission nuts, and the second motor 19 is connected to the programmable controller 7 by wires.

[0027] See attached Figure 1 When the second driving mechanism is working, the programmable controller 7 controls the second motor 19 to start, the second motor 19 drives the output shaft to rotate forward, and the output shaft of the second motor 19 drives the double-headed screw 9 to rotate forward. During the forward rotation of the double-headed screw 9, the two first movable blocks 8 move on the double-headed screw 9 in a direction approaching each other, and the two first movable blocks 8 drive the two arc-shaped clamping blocks 16 to move in the same direction to achieve clamping. Conversely, the second motor 19 rotates in the opposite direction to achieve movement in a direction away from each other, that is, loosening.

[0028] Example 2

[0029] The difference between this embodiment and embodiment 1 is that:

[0030] Specifically, a detachable mechanism is assembled between the rust removing ring piece 12 and the cleaning ring brush 13 and the base 1 .

[0031] Specifically, the detachable mechanism includes a fixed seat 24 fixedly connected to the top of the base 1, a clamping ring 26 fixedly connected to the outer wall of the rust removal ring sheet 12 and the cleaning ring brush 13, and a movable seat 27 placed on the top of the fixed seat 24. The top of the fixed seat 24 and the bottom of the movable seat 27 are respectively provided with two clamping grooves 25 that can be spliced ​​to form a cross ring shape and clamp the clamping ring 26. The top of the fixed seat 24 is symmetrically fixed with two threaded rods 28. The inside of the movable seat 27 is symmetrically provided with two socket holes 30 that are respectively socketed on the two threaded rods 28. A locking nut 29 is threadedly connected to the threaded rod 28 above the movable seat 27.

[0032] See attached Figure 2-3 When the rust removal ring sheet 12 and the cleaning ring brush 13 need to be replaced after long-term use, the replacement method is as follows: unscrew the two locking nuts 29, lift the movable seat 27 until the two socket holes 30 on the movable seat 27 are separated from the two threaded rods 28 on the fixed seat 24 and stop, remove the movable seat 27, and take out the rust removal ring sheet 12 and the cleaning ring brush 13 from the slot 25 of the fixed seat 24, which is convenient and quick.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rust removal device for a printing cloth drop rack, characterized in that: include: A base (1), wherein the operating side wall of the base (1) is fixedly connected to a programmable controller (7), two assembly tooth plates (15) are symmetrically placed on both sides of the top of the base (1), a first driving mechanism capable of driving the two assembly tooth plates (15) to move closer to or away from each other is arranged between the bottom ends of the two assembly tooth plates (15) and the base (1), a positioning movement mechanism is arranged between the side wall of the assembly tooth plate (15) and the base (1), a rectangular frame (18) is fixedly connected to the top ends of the two assembly tooth plates (15) and the side wall away from each other, two arc-shaped clamping blocks (16) are symmetrically placed inside the rectangular frame (18), and the two arc-shaped clamping blocks A second driving mechanism for driving the two arc-shaped clamping blocks (16) to move toward or away from each other is installed between the two arc-shaped clamping blocks (16) on one side, and a cloth drop rack driving roller (11) is clamped and fixed between the two arc-shaped clamping blocks (16) on one side, and a pressure sensor (17) is fixedly connected to the rectangular frame (18) on the same side of the two arc-shaped clamping blocks (16) on the other side, and a rust removal ring sheet (12) and a cleaning ring brush (13) are symmetrically connected in the middle of the top of the base (1), and the first driving mechanism, the second driving mechanism and the pressure sensor (17) are connected to the programmable controller (7) by wires.

2. The rust removal device for a printing cloth drop rack according to claim 1, characterized in that: The first driving mechanism comprises an assembly plate (6) fixedly connected to the side wall of the base (1) and two assembly cavities (22) symmetrically arranged on both sides of the top of the base (1); a first motor (5) is fixedly connected to the assembly plate (6); a connecting shaft (2) is placed inside the assembly cavity (22); one end of the connecting shaft (2) on the side close to the first motor (5) passes through the base (1) and extends to the outside world and is connected to the output shaft of the first motor (5) through a coupling; one end of the connecting shaft (2) on the side away from the first motor (5) passes through the base (1) and extends to the outside world; two connecting shafts on the sides close to and away from the first motor (5) are connected to the first motor (5). The connecting shaft (2) is connected to the through section of the base (1) through a bearing, and the other ends of the two connecting shafts (2) close to and away from the first motor (5) are connected to the side wall of the base (1) through a bearing. The two connecting shafts (2) extend to the outer section and are respectively fixedly sleeved with pulleys (3). The two pulleys (3) are cross-frictionally connected with a transmission belt (4). The two connecting shafts (2) are located in the assembly cavity (22) and are respectively fixedly sleeved with gears (23) meshing with the assembly tooth plate (15) on the same side. The first motor (5) is connected to the programmable controller (7) by a wire.

3. The rust removal device for a printing cloth drop rack according to claim 1, characterized in that: The positioning movement mechanism comprises four positioning blocks (14) fixedly connected to the top of the base (1) and located at the four corners of the assembly tooth plate (15), and two second movable blocks (20) symmetrically fixedly connected to the assembly tooth plate (15); a positioning rod (21) is fixedly connected between the two positioning blocks (14) located in the moving direction of the assembly tooth plate (15); and the two second movable blocks (20) are movably connected to the positioning rod (21) on the same side by means of an open hole sleeve connection.

4. The rust removal device for a printing cloth drop rack according to claim 1, characterized in that: The second driving mechanism comprises a second motor (19) fixedly connected to the outer wall of the rectangular frame (18), a movable groove (10) provided at the bottom end of the rectangular frame (18), and two first movable blocks (8) fixedly connected to the bottom ends of two arc-shaped clamping blocks (16); a double-headed screw (9) is placed inside the movable groove (10); one end of the double-headed screw (9) is connected to the output shaft of the second motor (19) through a coupling; the other end of the double-headed screw (9) is connected to the inner wall of the rectangular frame (18) through a bearing; the two first movable blocks (8) are connected to the double-headed screw (9) through two transmission nuts; and the second motor (19) is connected to the programmable controller (7) through a wire.

5. The rust removal device for a printing cloth drop rack according to claim 1, characterized in that: A detachable mechanism is installed between the rust-removing ring piece (12) and the cleaning ring brush (13) and the base (1).

6. The rust removal device for a printing cloth drop rack according to claim 5, characterized in that: The detachable mechanism comprises a fixed seat (24) fixedly connected to the top of the base (1), a clamping ring (26) fixedly connected to the outer wall of the rust removal ring sheet (12) and the cleaning ring brush (13), and a movable seat (27) placed on the top of the fixed seat (24); the top of the fixed seat (24) and the bottom of the movable seat (27) are respectively provided with two clamping grooves (25) which can be spliced ​​to form a cross ring shape and clamp the clamping ring (26); the top of the fixed seat (24) is symmetrically fixedly connected to two threaded rods (28); the movable seat (27) is symmetrically provided with two sleeve holes (30) which are respectively sleeved on the two threaded rods (28); and a locking nut (29) is threadedly connected to the threaded rod (28) above the movable seat (27).

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