Integrated scraper cylinder

By designing an integrated scraper cylinder, integrating the cylinder and achieving stroke adjustment, the problems of individual settings and unadjustable strokes in the ink scraping device are solved, reducing ink waste and cost, and improving usage efficiency.

CN120245587APending Publication Date: 2025-07-04DONGGUAN NUOXIN INTELLIGENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202510638995.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2025-07-04

AI Technical Summary

Technical Problem

The ink scraping device in the existing automatic round screen printing machine has the problem that the cylinder is separately set and the stroke cannot be adjusted, resulting in waste of ink and high cost.

Method used

An integrated scraper cylinder is designed to integrate the cylinders and stroke adjustment is achieved through alternately retracting and extending the left piston rod and the right piston rod, and a stroke adjustment member is equipped to adjust the moving distance.

Benefits of technology

The integrated cylinder and adjustable stroke are achieved, which reduces ink waste, improves usage efficiency and reduces costs.

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Abstract

An integrated scraper air cylinder comprises an air cylinder body, an upper transverse rod, longitudinal guide rods, a bottom scraper clamp, a left piston, a left piston rod, a right piston and a right piston rod, the longitudinal guide rods are in sliding fit with longitudinal guide holes, and the upper transverse rod and the bottom scraper clamp are fixed to the upper ends and the lower ends of the two longitudinal guide rods on the left side respectively. The other upper cross rod and the bottom scraper clamp are fixed with the upper ends and the lower ends of the two longitudinal guide rods on the right side; the left piston is arranged on the left piston rod, the left piston is arranged in the left piston cavity, and the left piston rod and the left piston rod hole are in sliding fit and sealed; the right piston is arranged in the right piston cavity, the right piston rod and the right piston rod hole are in sliding fit and sealing, the upper ends of the left piston rod and the right piston rod are matched with the upper cross rod respectively, and the lower ends of the left piston rod and the right piston rod are fixed to the bottom scraper clamp respectively; during working, the left piston rod and the right piston rod alternately retract and stretch out. The cylinder main body is provided with the left piston cavity and the right piston cavity, and the two cylinders are integrated, so that the assembly is convenient during use.
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Description

Technical Field

[0001] The present invention belongs to the technical field of machinery, and relates to an ink scraping device, in particular to an ink scraping device in an automatic circular screen printing machine. Background Art

[0002] In the current prior art, Chinese Patent No. 200810062102.0, an ink scraping device in an automatic circular screen printing machine, belongs to the technical field of machinery. It solves the problem that in the existing ink scraping device in an automatic circular screen printing machine, the ink needs to be replaced after drying, resulting in a large waste of ink and high costs. The ink scraping device in this automatic circular screen printing machine includes a screen printing plate that can move horizontally back and forth on a machine base. Two sets of squeegee assemblies are provided vertically above the middle of the screen printing plate. The lower end of each squeegee assembly has a sheet-shaped squeegee, and the two squeegees are arranged in parallel; two cylinders are provided on the machine base, and each cylinder is provided with a solenoid valve for controlling its up and down movement. The solenoid valve is connected to a control circuit. When the squeegee assembly moves down under the drive of the corresponding cylinder, the squeegee at its lower end can be pressed against the screen printing plate. The problems are: the two cylinders are separately arranged and the stroke cannot be adjusted. Summary of the Invention

[0003] The purpose of the present invention is to provide an integrated squeegee cylinder, which has the characteristics of integrating the cylinders and being able to adjust the stroke.

[0004] The present invention is realized as follows: An integrated squeegee cylinder, characterized in that it includes a cylinder body, an upper cross bar, longitudinal guide rods, a bottom squeegee clamp, a left piston, a left piston rod, a right piston, and a right piston rod

[0005] The cylinder body includes four longitudinal guide holes, a left piston chamber, and a right piston chamber. The left piston chamber and the right piston chamber are respectively provided with left piston rod holes and right piston rod holes at the top and bottom; two left air inlet and exhaust holes are provided on the left piston chamber, and two right air inlet and exhaust holes are provided on the right piston chamber;

[0006] The longitudinal guide rods are slidably matched with the longitudinal guide holes. An upper cross bar and a bottom squeegee clamp are respectively fixed to the upper and lower ends of the two longitudinal guide rods on the left side, and the other upper cross bar and bottom squeegee clamp are fixed to the upper and lower ends of the two longitudinal guide rods on the right side; the left piston is arranged on the left piston rod, the left piston is arranged in the left piston chamber, and the left piston rod is slidably matched and sealed with the left piston rod hole; the right piston is arranged on the right piston rod, the right piston is arranged in the right piston chamber, and the right piston rod is slidably matched and sealed with the right piston rod hole. The upper ends of the left piston rod and the right piston rod are respectively matched with the upper cross bar, and the lower ends are respectively fixed to the bottom squeegee clamp; during operation, the left piston rod and the right piston rod alternately retract and extend.

[0007] Preferably: It further includes a stroke adjustment member, and the stroke adjustment member is a bolt.

[0008] A screw hole is provided in the middle of the upper cross bar;

[0009] The screw rod of the bolt is screwed with the screw hole, and the head is limited in cooperation with the adjusting device.

[0010] Preferably: The head of the bolt is cylindrical and provided with an internal hexagonal tool hole with an upper opening.

[0011] Preferably: The head of the bolt is regular hexagonal.

[0012] Preferably: The left piston chamber and the right piston chamber of the cylinder body respectively have an upper opening and a lower opening.

[0013] It also includes a left top cover, a left bottom cover, a right top cover and a right bottom cover. Left piston rod holes are respectively provided on the left top cover and the right bottom cover, and right piston rod holes are respectively provided on the right top cover and the right bottom cover;

[0014] The left top cover and the left bottom cover are respectively embedded in the upper end and the lower end of the left piston chamber and sealed. The left piston rod is in sliding fit and sealed with the piston rod hole;

[0015] The right top cover and the right bottom cover are respectively embedded in the upper end and the lower end of the right piston chamber and sealed. The right piston rod is in sliding fit and sealed with the piston rod hole.

[0016] Preferably: The cylinder body is made of stainless steel material.

[0017] Preferably: The cylinder body is made of aluminum alloy material.

[0018] Preferably: Sealing rings are respectively provided on the left top cover, the left bottom cover, the right top cover and the right bottom cover.

[0019] The present invention relates to an integrated scraper cylinder. The cylinder body is provided with a left piston chamber and a right piston chamber, integrating two cylinders into one, which is convenient for assembly during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a sectional view of the present invention.

[0021] Figure 2 It is one of the exploded perspective views of the present invention.

[0022] Figure 3 It is the second exploded perspective view of the present invention.

[0023] Figure 4 It is a perspective view of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0024] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "mounted", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0027] As Figure 1 、 Figure 2 shown, an integrated scraping cylinder includes a cylinder body 2, an upper cross bar 31, longitudinal guide rods 32, a bottom scraping clamp 33, a left piston 4 and a left piston rod 41, a right piston 5 and a right piston rod 51, and a stroke adjusting member 6.

[0028] The cylinder body 2 includes four longitudinal guide holes (shown by marks) provided at the corners, a left piston chamber 21 and a right piston chamber 22. The top and bottom of the left piston chamber 21 and the right piston chamber 22 are provided with left piston rod holes and right piston rod holes; the left piston chamber 21 and the right piston chamber 22 are respectively provided with two air inlet and outlet holes. During use, the upper air inlet and outlet hole in the left piston chamber 21 is the air inlet hole, and the lower air inlet and outlet hole is the air outlet hole. When converted, the upper exhaust hole becomes the exhaust hole, and the lower air inlet and outlet hole becomes the air inlet hole; reciprocally convert.

[0029] The left piston is arranged on the left piston rod, and the right piston is arranged on the right piston rod.

[0030] In use, the adjusting device 1 is arranged above the cylinder body 2 and connected to the cylinder body 2. The longitudinal guide rod 32 is in sliding fit with the longitudinal guide hole. An upper cross bar 31 and a bottom scraper clamp 33 are respectively fixed to the upper and lower ends of the two longitudinal guide rods 32 on the left side. Another upper cross bar 31 and a bottom scraper clamp 33 are respectively fixed to the upper and lower ends of the two longitudinal guide rods 32 on the right side. The left piston 4 is arranged in the left piston chamber 21, and the left piston rod 41 is in sliding fit and sealed with the left piston rod hole. The right piston 5 is arranged in the right piston chamber 22, and the right piston rod 51 is in sliding fit and sealed with the right piston rod hole. The upper ends of the left piston rod 41 and the right piston rod 42 are respectively in fit with the upper cross bar, and the lower ends are respectively fixed to the bottom scraper clamp 33. The stroke adjusting member 6 is arranged on the upper cross bar 31 and is in fit and limit with the adjusting device 1. During operation, the left piston rod 41 and the right piston rod 51 alternately retract and extend. The setting of the stroke adjusting member 6 can adjust the upward movement distance of the cylinder body 2.

[0031] As a further improvement of the present invention: the stroke adjusting member 6 is a bolt.

[0032] A screw hole is provided in the middle of the upper cross bar 31.

[0033] The screw rod of the bolt is screwed with the screw hole, and the head is in fit and limit with the adjusting device 1.

[0034] As a further improvement of the present invention: the head of the bolt is cylindrical and is provided with an inner hexagonal tool hole with an upper opening.

[0035] The present invention can also be implemented in this way: the head of the bolt is regular hexagonal.

[0036] The left piston chamber 21 and the right piston chamber 22 of the cylinder body 2 respectively have upper openings and lower openings.

[0037] It further includes a left top cover, a left bottom cover, a right top cover and a right bottom cover. The left top cover and the left bottom cover are respectively provided with left piston rod holes, and the right top cover and the right bottom cover are arranged at the right piston rod holes.

[0038] The left top cover and the left bottom cover are respectively embedded in the upper and lower ends of the left piston chamber 21 and sealed. The left piston rod 41 is in sliding fit and sealed with the piston rod hole on the left bottom cover.

[0039] The right top cover and the right bottom cover are respectively embedded in the upper and lower ends of the right piston chamber and sealed. The right piston rod 42 is in sliding fit and sealed with the piston rod hole on the right bottom cover.

[0040] The cylinder body 2 is made of stainless steel material.

[0041] The cylinder body 2 is made of aluminum alloy material.

[0042] Sealing rings are respectively provided on the left top cover, the left bottom cover, the right top cover and the right bottom cover.

[0043] The adjusting device 1 includes a print head seat body 11, a longitudinal screw 12, a nut 13, a circlip 14 or a lower nut, a front-back frame rod 15, a transverse baffle 16, a locking screw 18 and a limit rod 17.

[0044] The print head seat body 11 is provided with a left horizontal rod hole 111, a left clearance groove 112 with a lower opening, a left fastening hole 113, a right horizontal rod hole 114, a right clearance groove 115 with a lower opening, a right fastening hole 116, a middle longitudinal rod hole 117 and a limit rod hole 118.

[0045] The transverse baffle 16 is fixed to the front end of the front-back frame rod 15. The front-back frame rod 15 is matched with the left horizontal rod hole 111 and the right horizontal rod hole 114. The locking screw 18 is screwed with the left fastening hole 113 to fix the front-back frame rod 15 in the left horizontal rod hole, and the locking screw 18 is screwed with the right fastening hole 116 to fix the front-back frame rod 15 in the right horizontal rod hole. The lower end of the limit rod 17 is fixed to the cylinder body 2 and is in sliding fit with the limit rod hole 118. The lower end of the longitudinal screw 12 is fixed to the cylinder body 2, and the upper part passes through the middle longitudinal rod hole 116 and is screwed with the nut 13. The circlip or the lower nut is matched with the longitudinal screw 12 at the lower part of the print head seat body 11. When in use, the rear end of the front-back frame rod 15 is fixed to the front end of the moving device of the screen printing machine. By operating the locking screw 18, the distance between the print head seat body 11 and the moving device can be adjusted. By operating the nut 13 and the circlip 14, the distance between the print head seat body 11 and the cylinder body can be adjusted.

[0046] As a further improvement of the present utility model: A seat body 7 in the front-back direction is provided at the top of the cylinder body 2, and the lower ends of the longitudinal screw 12 and the limit rod 17 are fixed to the seat body 7.

[0047] The print head seat body 11 is matched with the stroke adjusting member 6.

[0048] As a further improvement of the present invention: The transverse baffle 16 and the front-back frame rod 15 are fixed by screws.

[0049] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0050] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. An integrated scraper cylinder, characterized in that: It includes a cylinder body, an upper cross bar, longitudinal guide rods, a bottom scraper clamp, a left piston, a left piston rod, a right piston and a right piston rod The cylinder body includes four longitudinal guide holes, a left piston chamber and a right piston chamber. The left piston chamber and the right piston chamber are respectively provided with a left piston rod hole at the top and a right piston rod hole at the bottom; The left piston chamber is provided with two left air inlet and exhaust holes, and the right piston chamber is provided with two right air inlet and exhaust holes; The longitudinal guide rods are in sliding fit with the longitudinal guide holes. An upper cross bar and a bottom scraper clamp are respectively fixed to the upper and lower ends of the two longitudinal guide rods on the left side, and the other upper cross bar and bottom scraper clamp are fixed to the upper and lower ends of the two longitudinal guide rods on the right side; The left piston is arranged on the left piston rod. The left piston is arranged in the left piston chamber, and the left piston rod is in sliding fit and sealed with the left piston rod hole; The right piston is arranged on the right piston rod. The right piston is arranged in the right piston chamber, and the right piston rod is in sliding fit and sealed with the right piston rod hole. The upper ends of the left piston rod and the right piston rod are respectively matched with the upper cross bar, and the lower ends are respectively fixed to the bottom scraper clamp; During operation, the left piston rod and the right piston rod alternately retract and extend.

2. The one-piece scraper cylinder according to claim 1, characterized in that: It further includes a stroke adjusting member, and the stroke adjusting member is a bolt A screw hole is provided in the middle of the upper cross bar The screw rod of the bolt is screwed with the screw hole, and the head is cooperated with the adjusting device for limiting 3. The one-piece scraper cylinder according to claim 2, wherein: The head of the bolt is cylindrical and is provided with an internal hexagonal tool hole with an upper opening 4. The one-piece scraper cylinder according to claim 2, wherein: The head of the bolt is regular hexagonal 5. An integrated scraper cylinder according to claim 1, wherein: The left piston chamber and the right piston chamber of the cylinder body respectively have an upper opening and a lower opening It further includes a left top cover, a left bottom cover, a right top cover and a right bottom cover. The left top cover and the right bottom cover are respectively provided with a left piston rod hole, and the right top cover and the right bottom cover are respectively provided with a right piston rod hole; The left top cover and the left bottom cover are respectively embedded in the upper and lower ends of the left piston chamber and sealed. The left piston rod is in sliding fit and sealed with the piston rod hole; The right top cover and the right bottom cover are respectively embedded in the upper and lower ends of the right piston chamber and sealed. The right piston rod is in sliding fit and sealed with the piston rod hole.

6. An integrated scraper cylinder according to claim 5, characterized in that: The cylinder body is made of stainless steel material 7. An integrated scraper cylinder according to claim 5, characterized in that: The cylinder body is made of aluminum alloy material 8. An integrated scraper cylinder according to claim 5, characterized in that: Sealing rings are respectively provided on the left top cover, the left bottom cover, the right top cover and the right bottom cover

Citation Information

Patent Citations

  • Printing ink scraping apparatus in screen printer with automatic dish

    CN101293420A