Scraper and oil knife lifting structure driven by gear and rack

Abstract

The utility model discloses a scraper oil knife lifting structure driven by a gear rack, which comprises a motor threading pipe, a plate washing cylinder and a lifting component, pipe frame supports are symmetrically arranged on two sides of the motor threading pipe, the pipe frame supports are fixed on a machine head base, and one side of the machine head base is fixedly connected with a motor plate in the lifting component. The lifting gear is driven by the servo motor to rotate, the scraper rack and the oil knife rack are simultaneously driven to move reversely in the vertical direction through the meshing effect, lifting movement of the oil knife scraper is achieved, a traditional dual-drive structure is optimized, the scraper body and the oil knife body can be driven to move synchronously and reversely through the single servo motor, the structure is simple, and operation is convenient. The operation synchronism of the oil knife and the scraper is guaranteed, and the working stability of the lifting structure is improved; after the structure is installed, the plate washing air cylinder arranged on the machine head base is used for driving the whole structure to move up and down to adjust the position of the structure, manual adjustment is not needed, and the practicability of the lifting structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing devices, in particular to a scraper and oil knife lifting structure driven by a gear rack. Background Art

[0002] A printing device is a device that transfers the ink of the image and text on the printing plate to paper or other printing materials. The printing device mainly includes a printing plate, an ink supply device, a paper conveying device and an imprinting device. The ink supply device is mainly responsible for providing an appropriate amount of ink to the printing plate to ensure printing quality and efficiency. A lifting mechanism is required in the ink supply device to repeatedly adjust the height of the scraper and the oil knife. The traditional device for driving the scraper and the oil knife needs to be independently driven by two sets of motors. During use, the operating error of the motor will affect the synchronous operation of the scraper and the oil knife, thereby affecting the operating stability of the lifting structure; at the same time, the overall structure of the lifting mechanism is complex, and after installation, it needs to be manually adjusted. The overall position of the structure affects the practicality of the lifting structure; therefore, it is necessary to design a gear-rack driven scraper and oil knife lifting structure. Utility Model Content

[0003] The purpose of the utility model is to provide a scraper and oil knife lifting structure driven by a gear rack, so as to solve the problem that the traditional device for driving the scraper and oil knife needs to be independently driven by two sets of motors, and the operating errors of the motors during use will affect the synchronous operation of the scraper and the oil knife, thereby affecting the operating stability of the lifting structure; at the same time, the overall structure of the lifting mechanism is complex, and after installation, the overall position of the structure needs to be manually adjusted, affecting the practicality of the lifting structure.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a scraper and oil knife lifting structure driven by a gear rack, comprising a motor threading tube, a pipe rack support, a machine head base, a plate washing cylinder, a lifting assembly, a limit block, a scraper rod, a scraper clamp, a scraper body, an oil knife rod, an oil knife clamp and an oil knife body, the motor threading tube is symmetrically provided with pipe rack supports on both sides, the pipe rack supports are fixed on the machine head base, and one side of the machine head base is fixedly connected with a motor plate in the lifting assembly, the lifting assembly is composed of a motor plate, a scraper guide rail, a scraper slider, a servo motor, a reducer body, a scraper connecting plate, a scraper rack, a scraper connecting seat, an oil knife guide rail, an oil knife slider, an oil knife connecting plate, an oil knife rack, an oil knife connecting seat, a photoelectric bracket, an upper limit photoelectric, a lower limit photoelectric, an origin photoelectric, an induction sheet and a lifting gear. A reducer body is fixedly connected to one side of the motor plate, and a lifting gear is fixedly connected to the output end of the reducer body. A scraper rack and an oil knife rack are respectively meshed and connected on both sides of the lifting gear. The scraper rack and the oil knife rack are respectively connected to the threaded rod between the first adjusting block and the second adjusting block through threaded cooperation. The first adjusting block and the second adjusting block are respectively fixedly installed on one side of the scraper connecting plate and the oil knife connecting plate, and the other sides of the scraper connecting plate and the oil knife connecting plate are respectively fixedly connected with a scraper slider and an oil knife slider. An induction sheet is arranged on the oil knife connecting plate. The scraper slider and the oil knife slider are respectively slidably connected to the scraper guide rail and the oil knife guide rail. The scraper guide rail and the oil knife guide rail are respectively fixedly installed on both sides of the motor plate. A scraper connecting seat and an oil knife connecting seat are respectively arranged at the bottom of one side of the scraper connecting plate and the oil knife connecting plate.

[0005] Preferably, plate washing cylinders are symmetrically arranged on the top of the head base.

[0006] Preferably, a servo motor is fixedly connected to the input end of the reducer body.

[0007] Preferably, limit blocks are provided on the top and bottom of the scraper rack and the oil knife rack.

[0008] Preferably, a photoelectric bracket is provided at one side edge of the motor plate, and an upper limit photoelectric, a lower limit photoelectric and an origin photoelectric are respectively provided on the photoelectric bracket, and the origin photoelectric is located between the upper limit photoelectric and the lower limit photoelectric.

[0009] Preferably, a scraper rod is fixedly connected to the bottom of the scraper connecting seat, a scraper clip is symmetrically arranged on the scraper rod, and a scraper body is fixedly connected to the bottom of the scraper clip.

[0010] Preferably, the bottom of the oil knife connecting seat is fixedly connected to an oil knife rod, an oil knife clip is symmetrically arranged on the oil knife rod, and the oil knife body is fixedly connected in the oil knife clip.

[0011] The scraper and oil knife lifting structure driven by the gear rack provided by the utility model has the advantages that the servo motor and the reducer body are fixed by the motor plate installed on the head base, and during the operation of the structure, the reducer body drives the lifting gear to rotate under the drive of the servo motor, and the lifting gear simultaneously meshes with the scraper rack and the oil knife rack on both sides, driving the scraper rack and the oil knife rack to move in the opposite direction in the vertical direction, and then driving the scraper connecting plate and the oil knife connecting plate on both sides to move in the opposite direction, thereby optimizing the traditional dual-drive structure, and a single servo motor can drive the scraper body and the oil knife body to move in the opposite direction synchronously, with a simple structure, ensuring the synchronization of the operation of the oil knife and the scraper, and improving the working stability of the lifting structure; after the structure is installed, the plate washing cylinder arranged on the head base is used to drive the overall structure to move up and down to adjust the position of the structure, without the need for manual adjustment, thereby improving the practicality of the lifting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is a left view of the overall structure of the utility model;

[0015] Figure 3 This is the overall structural front view of the utility model;

[0016] Figure 4 This is a schematic diagram of the assembly structure of the lifting component in the utility model;

[0017] Figure 5 This is a schematic diagram of the installation position of the reducer body in the utility model;

[0018] Figure 6 for Figure 5 Magnified view of area A.

[0019] In the figure: 1. Motor threading tube; 2. Pipe rack support; 3. Machine head base; 4. Plate washing cylinder; 5. Lifting assembly; 6. Limit block; 7. Scraper rod; 8. Scraper clamp; 9. Scraper body; 10. Oil knife rod; 11. Oil knife clamp; 12. Oil knife body; 51. Motor plate; 52. Scraper guide rail; 53. Scraper slider; 54. Servo motor; 55. Reducer body; 56. Scraper connecting plate; 57. Scraper rack; 58. Scraper connecting seat; 59. Oil knife guide rail; 60. Oil knife slider; 61. Oil knife connecting plate; 62. Oil knife rack; 63. Oil knife connecting seat; 64. Photoelectric bracket; 65. Upper limit photoelectric; 66. Lower limit photoelectric; 67. Origin photoelectric; 68. Induction sheet; 69. Lifting gear. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-6The utility model provides an embodiment: a scraper oil knife lifting structure driven by a gear rack, including a motor threading tube 1, a pipe rack support 2, a head base 3, a plate washing cylinder 4, a lifting assembly 5, a limit block 6, a scraper rod 7, a scraper clamp 8, a scraper body 9, an oil knife rod 10, an oil knife clamp 11 and an oil knife body 12, the motor threading tube 1 is symmetrically provided with a pipe rack support 2 on both sides, the pipe rack support 2 is fixed on the head base 3, and one side of the head base 3 is fixedly connected with a motor plate 51 in the lifting assembly 5. The lifting assembly 5 is composed of a motor plate 51, a scraper guide rail 52, a scraper slider 53, a servo motor 54, a reducer body 55, a scraper connecting plate 56, a scraper rack 57, a scraper connecting seat 58, an oil knife guide rail 59, an oil knife slider 60, an oil knife connecting plate 61, an oil knife rack 62, an oil knife connecting seat 63, a photoelectric bracket 64, an upper limit photoelectric 65, a lower limit photoelectric 66, an origin photoelectric 67, an induction sheet 68 and a lifting gear 69. The reducer body 55 is fixedly connected to one side of the motor plate 51. The output end of the machine body 55 is fixedly connected with a lifting gear 69, and the two sides of the lifting gear 69 are respectively meshed with the scraper rack 57 and the oil knife rack 62, and the scraper rack 57 and the oil knife rack 62 are respectively connected to the threaded rod between the first adjustment block and the second adjustment block through threaded cooperation, and the first adjustment block and the second adjustment block are respectively fixedly installed on one side of the scraper connecting plate 56 and the oil knife connecting plate 61, and the other sides of the scraper connecting plate 56 and the oil knife connecting plate 61 are respectively fixedly connected with the scraper slider 53 and the oil knife The slider 60 and the oil knife connecting plate 61 are provided with an induction sheet 68. The scraper slider 53 and the oil knife slider 60 are slidably connected to the scraper guide rail 52 and the oil knife guide rail 59 respectively. The scraper guide rail 52 and the oil knife guide rail 59 are fixedly installed on both sides of the motor plate 51 respectively. The scraper connecting plate 56 and the oil knife connecting plate 61 are provided with a scraper connecting seat 58 and an oil knife connecting seat 63 at the bottom of one side respectively. The scraper guide rail 52 and the oil knife guide rail 59 are used to limit the up and down movement of the scraper connecting plate 56 and the oil knife connecting plate 61.

[0023] A plate-washing cylinder 4 is symmetrically arranged on the top of the head base 3. During use, the output end of the plate-washing cylinder 4 is connected to the printing equipment. The plate-washing cylinder 4 can drive the head base 3 to move up and down, thereby adjusting the overall height position of the entire structure.

[0024] The input end of the reducer body 55 is fixedly connected with a servo motor 54, and the servo motor 54 is used to provide input power for the reducer body 55;

[0025] The top and bottom of the scraper rack 57 and the oil knife rack 62 are both provided with limit blocks 6, and the limit blocks 6 are used to limit the up and down movement of the scraper rack 57 and the oil knife rack 62;

[0026] A photoelectric bracket 64 is provided at one side edge of the motor plate 51, and an upper limit photoelectric 65, a lower limit photoelectric 66 and an origin photoelectric 67 are respectively provided on the photoelectric bracket 64, and the origin photoelectric 67 is located between the upper limit photoelectric 65 and the lower limit photoelectric 66, and the upper limit photoelectric 65, the lower limit photoelectric 66 and the origin photoelectric 67 are installed on one side of the motor plate 51 to detect the upper and lower movement limits of the scraper rack 57; a scraper rod 7 is fixedly connected to the bottom of the scraper connecting seat 58, and a scraper blade clamp 8 is symmetrically provided on the scraper blade rod 7, and a scraper body 9 is fixedly connected to the bottom of the scraper blade clamp 8; an oil knife rod 10 is fixedly connected to the bottom of the oil knife connecting seat 63, and an oil knife blade clamp 11 is symmetrically provided on the oil knife blade rod 10, and an oil knife body 12 is fixedly connected in the oil knife blade clamp 11, and the oil knife blade clamp 11 is symmetrically provided at the bottom of the oil knife blade rod 10, and is used to fix the oil knife body 12 to the bottom of the oil knife blade rod 10;

[0027] Specifically, when in use, first, the servo motor 54 and the reducer body 55 are fixed by the motor plate 51 installed on the head base 3. During the operation of the structure, the reducer body 55 drives the lifting gear 69 to rotate under the drive of the servo motor 54, and the lifting gear 69 simultaneously engages the scraper rack 57 and the oil knife rack 62 on both sides, driving the scraper rack 57 and the oil knife rack 62 to move in the opposite direction in the vertical direction, and then drives the scraper connecting plate 56 and the oil knife connecting plate 61 on both sides to move in the opposite direction, thereby optimizing the traditional dual-drive structure. The single servo motor 54 can drive the scraper body 9 and the oil knife body 12 to move in the opposite direction synchronously. The structure is simple, which ensures the synchronization of the operation of the oil knife and the scraper, and improves the working stability of the lifting structure. After the structure is installed, the plate washing cylinder 4 arranged on the head base 3 is used to drive the overall structure to move up and down to adjust the position of the structure. There is no need for manual adjustment, which improves the practicality of the lifting structure.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A scraper and oil knife lifting structure driven by a gear rack comprises a motor threading tube (1), a pipe rack support (2), a machine head base (3), a plate washing cylinder (4), a lifting assembly (5), a stop block (6), a scraper rod (7), a scraper clamp (8), a scraper body (9), an oil knife rod (10), an oil knife clamp (11) and an oil knife body (12), characterized in that: The motor threading tube (1) is symmetrically provided with a pipe rack support (2) on both sides, the pipe rack support (2) is fixed on the machine head base (3), one side of the machine head base (3) is fixedly connected with a motor plate (51) in a lifting assembly (5), the lifting assembly (5) is composed of a motor plate (51), a scraper guide rail (52), a scraper slider (53), a servo motor (54), a reducer body (55), a scraper connecting plate (56), a scraper rack (57), a scraper connecting seat (58), an oil knife guide rail (59), an oil knife slider (60), an oil knife connecting plate (61), an oil knife rack (62), an oil knife connecting seat (63), a photoelectric bracket (64), an upper limit photoelectric (65), a lower limit photoelectric (66), an origin photoelectric (67), an induction sheet (68) and a lifting gear (69), one side of the motor plate (51) is fixedly connected with the reducer body (55), the output end of the reducer body (55) is fixedly connected with the lifting gear (69), and the lifting gear (69) is The two sides of the scraper (69) are respectively meshed and connected with a scraper rack (57) and an oil knife rack (62), and the scraper rack (57) and the oil knife rack (62) are respectively connected to the threaded rod between the first adjustment block and the second adjustment block through threaded matching, and the first adjustment block and the second adjustment block are respectively fixedly installed on one side of the scraper connecting plate (56) and the oil knife connecting plate (61), and the other side of the scraper connecting plate (56) and the oil knife connecting plate (61) are respectively fixedly connected with a scraper slider (53 ) and an oil knife slider (60), an oil knife connecting plate (61) is provided with an induction sheet (68), a scraper slider (53) and an oil knife slider (60) are respectively slidably connected to a scraper guide rail (52) and an oil knife guide rail (59), the scraper guide rail (52) and the oil knife guide rail (59) are respectively fixedly mounted on both sides of the motor plate (51), and a scraper connecting seat (58) and an oil knife connecting seat (63) are respectively provided at the bottom of one side of the scraper connecting plate (56) and the oil knife connecting plate (61).

2. The gear rack driven scraper oil knife lifting structure according to claim 1, characterized in that: A plate washing cylinder (4) is symmetrically arranged on the top of the machine head base (3).

3. The gear rack driven scraper oil knife lifting structure according to claim 1, characterized in that: The input end of the reducer body (55) is fixedly connected to a servo motor (54).

4. The gear rack driven scraper oil knife lifting structure according to claim 1, characterized in that: Limiting blocks (6) are provided at the top and bottom of the scraper rack (57) and the oil knife rack (62).

5. The gear rack driven scraper oil knife lifting structure according to claim 1, characterized in that: A photoelectric bracket (64) is provided at one side edge of the motor plate (51), and an upper limit photoelectric (65), a lower limit photoelectric (66) and an origin photoelectric (67) are respectively provided on the photoelectric bracket (64), and the origin photoelectric (67) is located between the upper limit photoelectric (65) and the lower limit photoelectric (66).

6. The gear rack driven scraper oil knife lifting structure according to claim 1, characterized in that: The bottom of the scraper connecting seat (58) is fixedly connected to a scraper rod (7), a scraper clamp (8) is symmetrically arranged on the scraper rod (7), and the bottom of the scraper clamp (8) is fixedly connected to a scraper body (9).

7. The gear rack driven scraper oil knife lifting structure according to claim 1, characterized in that: The bottom of the oil knife connecting seat (63) is fixedly connected to an oil knife rod (10), an oil knife clamp (11) is symmetrically arranged on the oil knife rod (10), and an oil knife body (12) is fixedly connected in the oil knife clamp (11).

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