Quick replacing device for scraper of printing machine
By setting notches and movable chambers on the base of the printer scraper, combining guide columns and locking parts, using return springs and locks, the problem of inconvenient assembly of scraper screws in the existing printing press is solved, and the rapid disassembly and stable assembly of the scraper is achieved, improving operation ease and safety.
Patent Information
- Application Number
- CN202421946538.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The screw assembly method of existing scrapers in printing presses results in inconvenient disassembly and assembly of scrapers, and the screws are easily disengaged and fall into the printing press, increasing the difficulty of operation.
A quick replacement device for the printing press scraper is designed, and the rapid disassembly and stable assembly is achieved by setting a slot and a movable cavity on the scraper base, combining a guide column and a lock member, using a return spring and a lock.
It realizes rapid disassembly and assembly of scrapers and stable assembly, reduces operation difficulties, and improves operation simplicity and safety.
Smart Images

Figure CN222819736U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing machines, in particular to a printing machine scraper quick replacement device. Background Art
[0002] The scraper blade in the printing machine is generally assembled with screws and the scraper base, which makes the disassembly and assembly of the scraper inconvenient, and the screws are easy to slip out during installation and fall into the printing machine, making the operation difficult. Utility Model Content
[0003] The utility model aims to provide a printing machine scraper quick replacement device in order to solve the problem that the screw assembly method of the scraper in the common printing machine makes the scraper assembly and disassembly operation inconvenient, and the screws are easy to slip out of the hands during installation and fall into the printing machine, further increasing the difficulty of operation.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solution: a printing machine scraper quick replacement device, comprising:
[0005] A scraper base, on which at least one notch is formed, and a movable cavity extends from a side of the notch;
[0006] at least one guide post, the end of which is connected to the scraper and which is laterally slidably connected in the slot;
[0007] A locking piece is slidably arranged in the movable cavity through a sliding seat, a locking buckle is arranged on the sliding seat facing the side of the slot, the locking buckle extends from the first opening into the slot, and a sleeve on the locking buckle is correspondingly sleeved and clamped on the notch of the guide column, a reset spring is arranged between the sliding seat and the second opening of the movable cavity, a wrench is extended from the sliding seat, and the wrench extends from the third opening to the outside of the scraper base.
[0008] As a further description of the above technical solution:
[0009] A U-shaped socket with a side opening extends outwardly from the slot, and a positioning block on the guide column is slidably arranged in the U-shaped socket.
[0010] As a further description of the above technical solution:
[0011] The positioning block is a cylindrical structure, the height of which is greater than the groove depth of the U-shaped socket, and an arc-shaped recess matching the positioning block is arranged inside the U-shaped socket.
[0012] As a further description of the above technical solution:
[0013] The scraper base is provided with a fourth opening on the opposite side of the first opening, and the lock buckle is inserted into the fourth opening.
[0014] As a further description of the above technical solution:
[0015] The third opening is a waist-shaped hole whose length is greater than the width of the slot.
[0016] In summary, due to the adoption of the above technical solution, the utility model has the following advantages compared with the prior art:
[0017] Beneficial effects:
[0018] The utility model realizes quick disassembly and assembly by cooperating with the guide column connected to the scraper with the notch and the locking piece on the side; the reset spring cooperates with the fourth opening to realize the reset, pre-tightening and structural clamping positioning of the locking piece; the scraper and the scraper base are stably assembled, the accessories are easy to grab and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 The present invention is a schematic diagram of the structure of a printing machine scraper quick replacement device.
[0021] Figure 2 The present invention is a schematic diagram of the structure of a locking component in a quick-changing device for scraper blades of a printing press.
[0022] Legend:
[0023] 1. Scraper base; 2. Notch; 3. Movable cavity; 4. Guide column; 5. Locking piece; 6. Sliding seat; 7. Locking buckle; 8. Reset spring; 9. Wrench; 10. First opening; 11. Second opening; 12. Third opening; 13. U-shaped socket; 14. Positioning block; 15. Fourth opening. DETAILED DESCRIPTION
[0024] 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 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.
[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0026] See also Figure 1-2 The utility model provides a technical solution: a printing machine scraper quick replacement device, comprising:
[0027] A scraper base 1 is provided with at least one notch 2, and a movable cavity 3 extends from the side of the notch 2;
[0028] at least one guide post 4, the end of which is connected to a scraper and which is laterally slidably connected in the slot 2;
[0029] A locking member 5 is slidably arranged in the movable cavity 3 through a slide 6. A lock buckle 7 is arranged on the slide 6 facing the side of the slot 2. The lock buckle 7 extends from the first opening 10 into the slot 2. The upper sleeve thereof is correspondingly sleeved and clamped on the notch of the guide column 4. A reset spring 8 is arranged between the slide 6 and the second opening 11 of the movable cavity 3. A wrench 9 extends from the slide 6. The wrench 9 extends from the third opening 12 to the outside of the scraper base 1.
[0030] A U-shaped socket 13 with a side opening extends outward from the slot 2, and a positioning block 14 on the guide column 4 is slidably arranged in the U-shaped socket 13, thereby improving the axial positioning stability of the guide column 4 and facilitating the grasping and docking of the slot 2 and the guide column 4.
[0031] The positioning block 14 is a cylindrical structure, and its height is greater than the groove depth of the U-shaped socket 13. The inner side of the U-shaped socket 13 is provided with an arc-shaped recess matching the positioning block 14, so as to facilitate the steering of the guide column 4 and the adjustment of the scraper direction position.
[0032] The scraper base 1 is provided with a fourth opening 15 on the opposite side of the first opening 10, and the lock buckle 7 is inserted into the fourth opening 15 to further structurally lock the locking member 5 with the scraper base 1, thereby improving the positioning stability of the guide column 4 and the scraper.
[0033] The third opening 12 is a waist-shaped hole whose length is greater than the width of the slot 2 , so as to facilitate the sliding of the locking member 5 , fully open the slot 2 , and assemble the guide column 4 , the scraper and the slot 2 .
[0034] The working principle of the quick-changing device for scraper of a printing machine of the present embodiment includes: the scraper base 1 is assembled in the scraper placement area of the printing machine. When replacing the scraper, the wrench 9 is held, and the locking member 5 is pulled away from the guide column 4, so that the lock buckle 7 is retracted into the first opening 10, and the lock of the guide column 4 is released, and the positioning block 14 can be held, and the guide column 4 and the scraper are removed from the scraper base 1, and the positioning block 14 on the new scraper is held, and it is docked with the U-shaped socket 13, the guide column 4 and the corresponding notch 2, and the positioning block 14 is slid to the bottom, and then the wrench 9 is released, so that the reset spring 8 drives the locking member 5 to reset, and the lock buckle is clamped on the notch of the guide column 4, and inserted into the fourth opening 15, and the positioning of the locking member 5, the guide column 4 and the scraper is completed.
[0035] In summary, due to the adoption of the above technical solution, the printing machine scraper quick replacement device of this embodiment has the following beneficial effects compared with the prior art:
[0036] The utility model realizes quick disassembly and assembly by cooperating with the guide column connected to the scraper with the notch and the locking piece on the side; the reset spring cooperates with the fourth opening to realize the reset, pre-tightening and structural clamping positioning of the locking piece; the scraper and the scraper base are stably assembled, the accessories are easy to grab and the operation is simple.
[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A printing machine scraper quick replacement device, characterized in that: include: A scraper base, on which at least one notch is formed, and a movable cavity extends from a side of the notch; at least one guide post, the end of which is connected to the scraper and which is laterally slidably connected in the slot; A locking piece is slidably arranged in the movable cavity through a sliding seat, a locking buckle is arranged on the sliding seat facing the side of the slot, the locking buckle extends from the first opening into the slot, and a sleeve on the locking buckle is correspondingly sleeved and clamped on the notch of the guide column, a reset spring is arranged between the sliding seat and the second opening of the movable cavity, a wrench is extended from the sliding seat, and the wrench extends from the third opening to the outside of the scraper base.
2. A printing machine scraper quick replacement device according to claim 1, characterized in that: A U-shaped socket with a side opening extends outwardly from the slot, and a positioning block on the guide column is slidably arranged in the U-shaped socket.
3. A printing machine scraper quick replacement device according to claim 2, characterized in that: The positioning block is a cylindrical structure, the height of which is greater than the groove depth of the U-shaped socket, and an arc-shaped recess matching the positioning block is arranged inside the U-shaped socket.
4. A printing machine scraper quick replacement device according to claim 1, characterized in that: The scraper base is provided with a fourth opening on the opposite side of the first opening, and the lock buckle is inserted into the fourth opening.
5. The printing machine scraper quick replacement device according to claim 1, characterized in that: The third opening is a waist-shaped hole whose length is greater than the width of the slot.