Multi-angle adjustable scraper mechanism
By designing a multi-angle adjustable squeegee mechanism and using a combination of drive modules to achieve squeegee flipping and rotation, the problem of existing squeegee mechanisms being unable to be adjusted to multiple angles is solved, thus improving printing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-03-31
AI Technical Summary
The existing squeegee mechanism cannot be adjusted at multiple angles in the circumferential direction, nor can it be rotated according to the unevenness of the printed surface, resulting in inconvenience in use.
A scraper mechanism is designed, comprising a support plate, a first mounting base, a second mounting base, a scraper module, a first drive module, a second drive module, and a third drive module. The scraper module can be flipped, lifted, and rotated through the combined movement of these modules, achieving multi-angle adjustment.
It enables multi-angle adjustment and rotation of the squeegee, improving the squeegee coating effect on surfaces of different shapes and increasing production efficiency.
Smart Images

Figure CN224060663U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of scraper mechanism technology, and more specifically, it relates to a scraper mechanism that can be adjusted at multiple angles. Background Technology
[0002] The doctor blade mechanism in a printing press is used to scrape ink onto the surface of the object to be printed. Existing oval printing presses typically use a cylinder to drive the doctor blade back and forth for ink application. However, this type of doctor blade mechanism cannot adjust the blade at multiple angles in the circumferential direction, preventing multi-angle ink application to the surface of the printed object. Furthermore, it cannot adjust the angle of the doctor blade according to the unevenness of the printed surface, leading to inconvenience. Therefore, we propose a new doctor blade mechanism. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a scraper mechanism that can be adjusted at multiple angles, so as to solve the technical problems existing in the background art.
[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a multi-angle adjustable scraper mechanism, comprising: a support plate, a first mounting base, a second mounting base, a scraper module, a first drive module for driving the scraper module to rotate, a second drive module for driving the first mounting base to rise and fall, and a third drive module for driving the second mounting base to rotate; the scraper module is rotatably mounted on the bottom of the first mounting base; the first mounting base is slidably mounted on the second mounting base; the first drive module is mounted on the top of the first mounting base on the side away from the second mounting base, and its output end is drivenly connected to the input end of the scraper module; the second drive module is mounted on the second mounting base, and its output end is drivenly connected to the input end of the first mounting base; the second mounting base is rotatably mounted on the support plate; the third drive module is mounted on the support plate, and its output end is drivenly connected to the input end of the second mounting base.
[0005] Optionally, the scraper module includes: a blade, a rotating shaft, a support frame, a first clamping block, and a second clamping block; the rotating shaft is fixedly installed on the top of the support frame; a transmission gear is provided in the middle of the rotating shaft; the transmission gear is connected to the output end of the first drive module; the first clamping block is fixedly installed on the bottom of the support frame by screws; the second clamping block is detachably connected to the first clamping block by screws; slots are respectively provided on the bottom of the faces of the first clamping block and the second clamping block facing each other to form a mounting groove for housing the blade; when the first clamping block and the second clamping block are connected, the blade is placed in the mounting groove and abuts against the first clamping block and the second clamping block respectively.
[0006] Optionally, the first drive module includes: a first drive motor, a first lead screw adapted to the transmission gear; a fixed seat is provided at the bottom of the first mounting base; a mounting cavity is provided inside the fixed seat; the drive gear is rotatably mounted on the fixed seat; the transmission gear is placed in the mounting cavity; the first drive motor is mounted on one side of the first mounting base, and its output end is drivenly connected to the input end of the first lead screw; the output end of the first lead screw passes through the mounting base and is placed in the mounting cavity, and is drivenly connected to the transmission gear.
[0007] Optionally, a lead screw drive seat is provided at the upper end of the first mounting base on the side away from the first drive motor; the lead screw drive seat is connected to the output end of the second drive module; sliders are respectively provided on the first mounting base and on both sides of the lead screw drive seat; a slide rail adapted to the slider is provided on one side of the second mounting base; the slider is slidably connected to the slide rail.
[0008] Optionally, the second drive module includes: a second drive motor and a second lead screw adapted to the lead screw drive seat; the second lead screw is rotatably mounted on the side of the second mounting seat near the slide rail; the second drive motor is mounted on the second mounting seat, and its output end is drivenly connected to the input end of the second lead screw; the output end of the second lead screw is drivenly connected to the lead screw drive seat.
[0009] Optionally, a U-shaped frame is provided on the side of the second mounting base away from the second lead screw; a first bevel gear is provided on the U-shaped frame; the first bevel gear is connected to the output end of the third drive module.
[0010] Optionally, the third drive module includes: a third drive motor and a second bevel gear adapted to the first bevel gear; the third drive motor is mounted on the support plate, and its output end is fixedly connected to the second bevel gear; the second bevel gear is driven by the first bevel gear.
[0011] This utility model has a stable overall structure and is easy to install. It can realize the blade rotation and scraping operation, as well as the multi-angle adjustment operation of the blade scraping. At the same time, the blade can be flipped and adjusted to different angles according to the actual application, so as to scrape the surface of printed materials of different shapes, effectively improving the production and processing efficiency. Attached Figure Description
[0012] Figure 1 This is an assembly drawing of this utility model;
[0013] Figure 2 This is a schematic diagram of the structure of this utility model during assembly;
[0014] Figure 3 yes Figure 1 Rear view.
[0015] In the diagram: 1. Support plate; 2. First mounting base; 3. Second mounting base; 4. Scraper module; 41. Blade; 42. Rotating shaft; 43. Support frame; 44. First clamping block; 45. Second clamping block; 46. Transmission gear; 5. First drive module; 51. First drive motor; 52. First lead screw; 6. Second drive module; 61. Second drive motor; 62. Second lead screw; 7. Third drive module; 71. Third drive motor; 72. Second bevel gear; 8. Fixed base; 9. Lead screw transmission base; 10. Slider; 11. Slide rail; 12. U-shaped frame; 13. First bevel gear. Detailed Implementation
[0016] To make the objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein.
[0017] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.
[0018] In this invention, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. The terms "vertical," "horizontal," "left," "right," "above," "below," and similar expressions are for illustrative purposes only and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore should not be construed as limiting the invention.
[0019] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0020] like Figure 1 As shown, this utility model provides a multi-angle adjustable scraper mechanism, including: a support plate 1, a first mounting base 2, a second mounting base 3, a scraper module 4, a first drive module 5 for rotating the scraper module 4, a second drive module 6 for raising and lowering the first mounting base 2, and a third drive module 7 for rotating the second mounting base 3; the scraper module 4 is rotatably mounted on the bottom of the first mounting base 2; the first mounting base 2 is slidably mounted on the second mounting base 3; the first drive module 5 is mounted on the top of the first mounting base 2 on the side away from the second mounting base 3, and its output end is drivenly connected to the input end of the scraper module 4; the second drive module 6 is mounted on the second mounting base 3, and its output end is drivenly connected to the input end of the first mounting base 2; the second mounting base 3 is rotatably mounted on the support plate 1; the third drive module 7 is mounted on the support plate 1, and its output end is drivenly connected to the input end of the second mounting base 3.
[0021] In this embodiment, as Figure 1-3As shown, the support plate 1 is fixed to the printing equipment. During assembly, the first drive module 5 and the doctor blade module 4 are connected and installed on the first mounting base 2, and the output end of the first drive module 5 is connected to the input end of the doctor blade module 4. When the doctor blade module 4 needs to be flipped, the first drive module 5 is activated, which drives the doctor blade to rotate, thus realizing the flipping adjustment operation of the doctor blade module 4. The first mounting base 2 is slidably installed on one side of the lower end of the second mounting base 3, and the second drive module 6 is installed on one side of the upper end of the second mounting base 3, and its output end is connected to the first mounting base 2 to drive the first mounting base 2 to lift or lower. When the horizontal height of the doctor blade module 4 needs to be adjusted, the second drive module 6 is activated, which drives the first mounting base 2 to slide up and down on the second mounting base 3, thereby driving the doctor blade module 4 and the first drive module 5 installed on the first mounting base 2 to move up and down. The blade module 4 is moved to adjust its horizontal height. The second mounting base 3 is rotatably mounted on the support frame 43, and the third drive module 7 is mounted on the support frame 43 with its output end connected to the drive mechanism. This drives the second mounting base 3 to rotate on the support frame 43. When the blade module 4 needs to perform a rotary scraping operation on the printed surface or adjust the scraping angle, the third drive module 7 is activated. The third drive module 7 drives the second mounting base 3 to rotate, which in turn drives the blade module 4 to rotate through the first mounting base 2 connected to the second mounting base 3. This allows for the rotary scraping operation or the scraping angle adjustment operation of the blade module 4. The overall structure is stable and easy to install. It can realize the rotary scraping operation of the blade 41 and the multi-angle adjustment operation of the blade 41. At the same time, the blade 41 can be flipped and adjusted at different angles according to the actual application to scrape the surface of printed materials of different shapes, effectively improving production efficiency.
[0022] Further, the scraper module 4 includes: a blade 41, a rotating shaft 42, a support frame 43, a first clamping block 44, and a second clamping block 45; the rotating shaft 42 is fixedly installed on the top of the support frame 43; a transmission gear 46 is provided in the middle of the rotating shaft 42; the transmission gear 46 is connected to the output end of the first drive module 5; the first clamping block 44 is fixedly installed on the bottom of the support frame 43 by screws; the second clamping block 45 is detachably connected to the first clamping block 44 by screws; slots are respectively provided on the bottom of the faces of the first clamping block 44 and the second clamping block 45 facing each other to form a mounting groove for housing the blade 41; when the first clamping block 44 and the second clamping block 45 are connected, the blade 41 is placed in the mounting groove and abuts against the first clamping block 44 and the second clamping block 45 respectively.
[0023] In this embodiment, as Figure 1-3As shown, the blade 41 is clamped and fixed to the bottom of the support frame 43 by the cooperation of the first clamping block 44 and the second clamping block 45; the rotating shaft 42 is connected to the first drive module 5 through the transmission gear 46; during operation, the output end of the first drive module 5 drives the transmission gear 46 to rotate, which in turn drives the rotating shaft 42 to rotate. During the rotation of the rotating shaft 42, the support frame 43 and the blade 41 connected and installed on the support frame 43 are rotated, thereby realizing the flipping and adjustment operation of the scraper blade 41.
[0024] Further, the first drive module 5 includes: a first drive motor 51, a first lead screw 52 adapted to the transmission gear 46; a fixed seat 8 is provided at the bottom of the first mounting base 2; an installation cavity is provided inside the fixed seat 8; the drive motor 51 is rotatably mounted on the fixed seat 8; the transmission gear 46 is placed in the installation cavity; the first drive motor 51 is mounted on one side of the first mounting base 2, and its output end is connected to the input end of the first lead screw 52; the output end of the first lead screw 52 passes through the mounting base and is placed in the installation cavity, and is connected to the transmission gear 46.
[0025] In this embodiment, as Figure 1-3 As shown, the first drive motor 51 is a servo motor. When the first drive motor 51 is working, it drives the first lead screw 52 to rotate. The first lead screw 52 drives the transmission gear 46 meshing with it to rotate, which in turn drives the rotating shaft 42 to rotate on the fixed seat 8, thereby realizing the flipping and adjustment operation of the scraper module 4.
[0026] Furthermore, a lead screw drive seat 9 is provided at the upper end of the first mounting base 2 on the side away from the first drive motor 51; the lead screw drive seat 9 is connected to the output end of the second drive module 6; sliders 10 are respectively provided on the first mounting base 2 and on both sides of the lead screw drive seat 9; a slide rail 11 adapted to the sliders 10 is provided on one side of the second mounting base 3; the sliders 10 and slide rail 11 are slidably connected; the first mounting base 2 is slidably mounted on one side of the second mounting base 3 by the cooperation of the sliders 10 and the slide rail 11. The assembly method of the slide rail 11 and the slider 10 is stable and easy to install.
[0027] The second drive module 6 includes: a second drive motor 61 and a second lead screw 62 adapted to the lead screw drive seat 9; the second lead screw 62 is rotatably mounted on the side of the second mounting base 3 near the slide rail 11; the second drive motor 61 is mounted on the second mounting base 3, and its output end is connected to the input end of the second lead screw 62; the output end of the second lead screw 62 is connected to the lead screw drive seat 9.
[0028] In this embodiment, as Figure 1-3As shown, the lead screw drive seat 9 mainly consists of a lead screw nut and a bearing seat that are adapted to the second lead screw 62. The second drive motor 61 is a servo motor. During assembly, the lead screw nut is threaded onto the second lead screw 62, and its outer wall is fixedly connected to the inner wall of the bearing seat so that the lead screw nut and bearing seat can be raised or lowered during the rotation of the second lead screw 62. During operation, the second drive motor 61 works, driving the lead screw to rotate in the forward or reverse direction, driving the lead screw drive seat 9 to be raised or lowered on the second mounting seat 3, thereby driving the first mounting seat 2 connected to the lead screw drive seat 9 and the scraper module 4 and the first drive module 5 connected to the first mounting seat 2 to be raised or lowered, realizing the horizontal height adjustment operation of the scraper module 4.
[0029] Furthermore, a U-shaped frame 12 is provided on the side of the second mounting base 3 away from the second lead screw 62; a first bevel gear 13 is provided on the U-shaped frame 12; the first bevel gear 13 is drivenly connected to the output end of the third drive module 7; the third drive module 7 includes: a third drive motor 71 and a second bevel gear 72 adapted to the first bevel gear 13; the third drive motor 71 is mounted on the support plate 1, and its output end is fixedly connected to the second bevel gear 72; the second bevel gear 72 is drivenly connected to the first bevel gear 13.
[0030] In this embodiment, as Figure 1-3 As shown, the third drive motor 71 is a servo motor. During operation, the third drive motor 71 drives the second bevel gear 72 at its output end to rotate. The second bevel gear 72 meshes with the first bevel gear 13 to drive the U-shaped frame 12 to rotate on the support plate 1, which in turn drives the second mounting base 3 to rotate. During the rotation of the second mounting base 3, the first mounting base 2 and the scraper module 4 connected and mounted on the first mounting base 2 are driven to rotate, so as to realize the rotation scraping operation of the scraper module 4 or the adjustment operation of different scraping angles.
[0031] Optionally, in this embodiment, a bearing seat is provided on the U-shaped frame 12, and the U-shaped frame 12 is rotatably mounted on the support plate 1 via the rotating shaft 42 seat to ensure the assembly stability of the U-shaped frame 12.
[0032] This utility model discloses a multi-angle adjustable scraper mechanism, which is easy to install and can realize the scraping operation of the blade rotation and the multi-angle adjustment operation of the blade. At the same time, the blade can be flipped and adjusted to different angles according to the actual application, so as to scrape the surface of printed materials of different shapes, effectively improving the production and processing efficiency.
[0033] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A multi-angle adjustable doctor blade mechanism, characterized by, It includes: Supporting plate, first mounting seat, second mounting seat, scraper module, first drive module for driving the scraper module to turn over, second drive module for driving the first mounting seat to lift and drop, and third drive module for driving the second mounting seat to rotate; the scraper module is rotatably installed at the bottom of the first mounting seat; the first mounting seat is slidably installed on the second mounting seat; the first drive module is installed on the top of the first mounting seat away from the second mounting seat, and the output end thereof is in transmission connection with the input end of the scraper module; the second drive module is installed on the second mounting seat, and the output end thereof is in transmission connection with the input end of the first mounting seat; the second mounting seat is rotatably installed on the supporting plate; the third drive module is installed on the supporting plate, and the output end thereof is in transmission connection with the input end of the second mounting seat.
2. A multi-angle adjustable doctor blade mechanism according to claim 1, wherein, The scraper module includes: blade, rotating shaft, support frame, first clamping block, and second clamping block; the rotating shaft is fixedly installed at the top of the support frame; the middle part of the rotating shaft is provided with a transmission gear; the transmission gear is in transmission connection with the output end of the first drive module; the first clamping block is fixedly installed at the bottom of the support frame by screws; the second clamping block is detachably connected with the first clamping block by screws; the clamping grooves are respectively arranged at the bottoms of the opposite surfaces of the first clamping block and the first clamping block to cooperatively form the installation groove for accommodating the blade; when the first clamping block and the second clamping block are connected, the blade is placed in the installation groove and abuts against the first clamping block and the second clamping block respectively.
3. A multi-angle adjustable doctor blade mechanism according to claim 2, wherein, The first drive module includes: first drive motor, first screw rod matched with the transmission gear; the bottom of the first mounting seat is provided with a fixing seat; the inside of the fixing seat is provided with an installation cavity; the rotating shaft is rotatably arranged on the fixing seat; the transmission gear is arranged in the installation cavity; the first drive motor is installed on one side of the first mounting seat, and the output end thereof is in transmission connection with the input end of the first screw rod; the output end of the first screw rod is arranged in the installation cavity after penetrating through the fixing seat, and is in transmission connection with the transmission gear.
4. A multi-angle adjustable doctor blade mechanism according to claim 3, wherein, The upper end of the side of the first mounting seat away from the first drive motor is provided with a screw rod transmission seat; the screw rod transmission seat is in transmission connection with the output end of the second drive module; the sliding blocks are respectively arranged on the first mounting seat and located on both sides of the screw rod transmission seat; one side of the second mounting seat is provided with sliding rails matched with the sliding blocks; the sliding blocks are in sliding connection with the sliding rails.
5. A multi-angle adjustable doctor blade mechanism according to claim 4, wherein, The second drive module includes: second drive motor, and second screw rod matched with the screw rod transmission seat; the second screw rod is rotatably installed on one side of the second mounting seat close to the sliding rails; the second drive motor is installed on the second mounting seat, and the output end thereof is in transmission connection with the input end of the second screw rod; the output end of the second screw rod is in transmission connection with the screw rod transmission seat.
6. A multi-angle adjustable doctor blade mechanism according to claim 5, wherein, A U-shaped frame is arranged on the second mounting seat away from the second lead screw; a first bevel gear is arranged on the U-shaped frame; and the first bevel gear is in transmission connection with the output end of the third driving module.
7. A multi-angle adjustable doctor blade mechanism according to claim 6, wherein, The third driving module comprises a third driving motor and a second bevel gear matched with the first bevel gear; the third driving motor is installed on the support plate, and its output end is fixedly connected with the second bevel gear; and the second bevel gear is in transmission connection with the first bevel gear.