Novel scraper device
By designing a new type of scraper device consisting of a scraper shaft assembly, an angle adjustment assembly, and a flip-locking assembly, the problems of difficult scraper blade replacement and inconvenient angle adjustment are solved, enabling rapid and accurate adjustment and replacement of the scraper angle and improving work efficiency.
Patent Information
- Application Number
- CN202520305147.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing scraper devices suffer from difficulties in replacing scraper blades and adjusting the scraper angle, which affects work efficiency.
A novel scraper device was designed, comprising a scraper shaft assembly, a scraper angle adjustment assembly, and a scraper flipping and locking assembly. The scraper angle is quickly adjusted by a cam lever driven by a lead screw, and the scraper shaft is flipped by a four-bar linkage structure, facilitating quick replacement of the scraper blade.
It enables quick and accurate adjustment of the scraper angle and rapid replacement of the scraper blade, thus improving work efficiency.
Smart Images

Figure CN223946303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the battery pole piece roll -in technical field, especially relates to a novel doctor blade device. BACKGROUND
[0002] The roll will have the dirt stick on the roll surface in the process of rolling the battery pole piece, needs the doctor blade to scrape it down to avoid the influence to the pole piece quality after rolling. The existing doctor blade device generally has the problems such as difficult doctor blade replacement, the angle of doctor blade is not good to adjust the non-quantitative index. Therefore we propose a novel doctor blade device to solve the problems of difficult doctor blade replacement and the angle of doctor blade is not good to adjust, improve work efficiency and meet the needs of customers. CONTENT OF UTILITY MODEL
[0003] The utility model provides a novel doctor blade device, can realize the quick and accurate adjustment of doctor blade angle and the quick replacement of doctor blade.
[0004] The utility model realizes the above-mentioned effect through the following technical scheme:
[0005] A novel doctor blade device, including doctor blade shaft subassembly 1, doctor blade angle adjustment subassembly 2, doctor blade turnover locking subassembly 3 and dust removal box subassembly 4,
[0006] The doctor blade shaft subassembly 1 is used for installing doctor blade 15, the doctor blade shaft subassembly 1 is installed on the doctor blade turnover locking subassembly 3 through doctor blade angle adjustment subassembly 2, and the dust removal box subassembly is located below the doctor blade subassembly and is used for collecting the impurities scraped down by the doctor blade,
[0007] The doctor blade angle adjustment subassembly 2 includes C-shaped frame 26, lead screw 23 and guide rod 24, the lead screw and the guide rod are installed on the inner side of the C-shaped frame, the lead screw and the guide rod are arranged in parallel, the two ends of the guide rod are fixedly installed on the top plate and the bottom plate of the C-shaped frame respectively, the two ends of the lead screw are connected with the top plate and the bottom plate bearing of the C-shaped frame, the C-shaped frame is further provided with cam knob 25, the cam knob 25 is constrained on the guide rod and is connected with the lead screw in screw thread, has the freedom of sliding along the guide rod, one side of the cam knob is provided with a pawl,
[0008] The doctor blade turnover locking subassembly 3 includes positioning installation plate 31 and doctor blade installation plate 35, and the positioning installation plate 31 and the doctor blade installation plate 35 are arranged in parallel, the inner side of the positioning installation plate is provided with connecting rod and positioning pressure rod 32 hinged thereto, the other end of the connecting rod is hinged with the doctor blade installation plate, the inner side of the doctor blade installation plate is further provided with installation plate positioning pin 36, one end of the positioning pressure rod is hinged with the positioning installation plate, the other end is connected with the positioning installation plate through the quick latch, and in the locking state of the doctor blade installation plate, the positioning pressure rod is pressed on the top of the installation plate positioning pin,
[0009] The C-shaped frame 26 is installed on a scraper mounting plate, one end of a scraper shaft 11 in the scraper shaft assembly 1 is in bearing connection with the scraper mounting plate 35, a cam bearing corresponding to a pawl is arranged on an end surface of the scraper shaft 11, the cam bearing is located in the pawl and has a transverse moving degree in the pawl.
[0010] Further, the scraper shaft assembly comprises the scraper shaft 11 and a scraper pressing plate 12, the scraper shaft and the scraper pressing plate are connected through a tension spring, and a resin screw is arranged on the scraper pressing plate and used as a limiting part.
[0011] Further, the C-shaped frame comprises a top plate, a bottom plate and a side plate, the side plate is located between the top plate and the bottom plate, and the lead screw and the guide rod are both perpendicular to the top plate and parallel to the side plate.
[0012] Further, the connecting rod and the positioning pressing rod are located in the same plane.
[0013] Further, the top plate and the cam pawl are provided with a spring, and the spring is sleeved on the guide rod.
[0014] Further, the side plate is provided with a slot, and the outer edge of the slot is marked with a size; the other side of the cam pawl extends into the slot.
[0015] Further, the top of the top plate is provided with a locking block, the top end of the lead screw passes through the locking block and is fixedly connected with a hand wheel above the locking block, and the locking handle is provided with a locking handle which is screw-connected with the locking block, and in the locking state of the lead screw, the inner end of the locking handle abuts against the lead screw.
[0016] Further, the scraper overturning locking assembly 3 further comprises a sliding table air cylinder 312 and an adjusting seat 39, the positioning mounting plate is installed on the rack through the sliding table air cylinder, the positioning mounting plate is located on the piston of the sliding table air cylinder, the adjusting seat is fixedly installed on the positioning mounting plate and located below the scraper mounting plate 35, the adjusting seat is provided with at least two adjusting screws 311 which are parallel to each other and screw-connected with the adjusting seat, and the bottom of the scraper mounting plate abuts against the top end of the adjusting screw.
[0017] Further, the connecting rod is provided with two.
[0018] Compared with the prior art, the scraper angle adjusting assembly of the utility model has the advantages that:
[0019] 1. The scraper angle adjusting assembly is provided with a scraper angle adjusting assembly, the cam pawl is driven to move through the lead screw, the movement of the cam bearing and the whole scraper shaft is driven, the scraper angle can be adjusted at any time, and the scraper angle can be accurately adjusted in combination with the scale on the C-shaped frame.
[0020] 2. Through the combination of connecting rod A, connecting rod B, scraper holder mounting plate and positioning mounting plate, a 4-connecting rod structure is formed, the turning of the scraper shaft is realized, and the positioning press rod can press the mounting plate positioning pin tightly through the adjustment of the positioning screw, so that the effect of repositioning after the scraper holder mounting plate is turned over is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a structural schematic diagram of the embodiment of the utility model.
[0022] Figure 2 is Figure 1 is a sectional schematic diagram of the scraper shaft assembly in the embodiment.
[0023] Figure 3 is Figure 1 is a structural schematic diagram of the scraper angle adjustment assembly in the embodiment.
[0024] Figure 4 is Figure 1 is a structural schematic diagram of the scraper turning locking assembly in the embodiment.
[0025] Figure 5 is Figure 4 is a structural schematic diagram of the inner side of the mounting plate in the embodiment.
[0026] In the figure: 1 - scraper shaft assembly, 2 - scraper angle adjustment assembly, 3 - scraper turning locking assembly, 4 - fully-enclosed dust removal box assembly; 11 - scraper shaft, 12 - scraper pressing plate, 13 - spring, 14 - resin screw, 15 - scraper blade; 21 - scraper shaft, 22 - cam bearing, 23 - screw rod, 24 - guide rod, 25 - cam pushing block, 26 - C-shaped frame, 27 - rectangular spring, 28 - locking handle, 29 - locking block, 211 - hand wheel; 31 - positioning mounting plate, 32 - positioning press rod, 33 - quick bolt, 34 - positioning press rod rotating pin, 35 - scraper holder mounting plate, 36 - mounting plate positioning pin, 37 - connecting rod A, 38 - connecting rod B, 39 - adjusting seat, 311 - adjusting screw, 312 - slide table air cylinder. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and understandable, the utility model is further described in detail below in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.
[0028] Referring to Figure 1 In the embodiment: including scraper shaft assembly 1, scraper angle adjustment assembly 2, scraper turning locking assembly 3 and dust removal box assembly 4,
[0029] The scraper shaft assembly 1 is used to install the scraper blade 15; the scraper shaft assembly 1 is installed on the scraper turnover locking assembly 3 through the scraper angle adjusting assembly 2; the dust removal box assembly is located below the scraper assembly and is used to collect the impurities scraped by the scraper blade.
[0030] Referring to Figure 2 , the scraper shaft assembly comprises a scraper shaft 11 and a scraper pressing plate 12; the scraper shaft and the scraper pressing plate are connected through a tension spring; a resin screw is arranged on the scraper pressing plate and is used as a limiting part; the scraper pressing plate 12 is fixed on the scraper shaft 11; the resin screw 14 is fixed on the scraper pressing plate 12; the spring 13 is clamped between the scraper shaft 11 and the scraper pressing plate 12 with the scraper blade 15.
[0031] Referring to Figure 3 , the scraper angle adjusting assembly 2 comprises a C-shaped frame 26, a lead screw 23 and a guide rod 24; the C-shaped frame comprises a top plate, a bottom plate and a side plate, wherein the side plate is located between the top plate and the bottom plate;
[0032] The lead screw and the guide rod are installed on the inner side of the C-shaped frame; the lead screw and the guide rod are both perpendicular to the top plate and parallel to the side plate; the lead screw and the guide rod are arranged in parallel, wherein the two ends of the guide rod are fixedly installed on the top plate and the bottom plate of the C-shaped frame respectively; the two ends of the lead screw are in bearing connection with the top plate and the bottom plate of the C-shaped frame respectively; a cam block 25 is further arranged in the C-shaped frame, the cam block 25 is constrained on the guide rod and is in threaded connection with the lead screw, and has a freedom of sliding along the guide rod; one side of the cam block is provided with a pawl;
[0033] A spring is arranged between the top plate and the cam block; the spring is sleeved on the guide rod.
[0034] A slot is arranged on the side plate, and the outer edge of the slot is marked with a size; the other side of the cam block extends into the slot.
[0035] A locking block is arranged on the top of the top plate; the top end of the lead screw passes through the locking block and is fixedly connected with a hand wheel arranged above the locking block; one side of the locking block is provided with a locking handle in threaded connection therewith, and the inner end of the locking handle abuts against the lead screw in the locked state of the lead screw.
[0036] The hand wheel 211 is fixed on the lead screw 23, and the cam block 25 moves up and down along the lead screw 23 and the guide rod 24; the cam bearing 22 is clamped in the slot of the cam block 25; the cam bearing 22 is fixed with the scraper shaft 21; the lead screw 23 is connected with the C-shaped frame 26 through a bearing; the guide rod 24 and the locking block 29 are connected with the C-shaped frame 26; the locking handle 28 is installed on the locking block 29; the rectangular spring 27 extends and contracts between the cam block 25 and the C-shaped frame 26.
[0037] Referring to Figure 4 and Figure 5, the scraper turning locking assembly 3 comprises a positioning mounting plate 31 and a scraper mounting plate 35, and the positioning mounting plate 31 is arranged in parallel with the scraper mounting plate 35; the inner side of the positioning mounting plate is provided with a connecting rod and a positioning pressure rod 32 hinged thereto, and the other end of the connecting rod is hinged with the scraper mounting plate; the inner side of the scraper mounting plate is further provided with a mounting plate positioning pin 36, one end of the positioning pressure rod is hinged with the positioning mounting plate, and the other end is connected with the positioning mounting plate through a quick bolt, and in the locked state of the scraper mounting plate, the positioning pressure rod is pressed on the top of the mounting plate positioning pin.
[0038] The positioning mounting plate is installed on the rack through a sliding table air cylinder, and the positioning mounting plate is located on the piston of the sliding table air cylinder; the adjusting seat is fixedly installed on the positioning mounting plate and located below the scraper mounting plate 35; the adjusting seat is provided with at least two adjusting screws 311 which are parallel to each other and are in threaded connection with the adjusting seat; and the bottom of the scraper mounting plate abuts against the top end of the adjusting screw.
[0039] The scraper mounting plate 35 is connected with the positioning mounting plate 31 through connecting rod A 37 and connecting rod B 38 and can realize turning action; the quick bolt 33 is installed on the positioning pressure rod 32, and the two can rotate around the rotating pin of the positioning pressure rod 34; the mounting plate positioning pin 36 is fixed on the scraper mounting plate 35; the adjusting screw 311 is fixed on the adjusting seat 39; and the positioning mounting plate 31 is fixed on the sliding table air cylinder 312.
[0040] Referring to Figure 1 The C-shaped frame 26 is installed on the scraper mounting plate, and one end of the scraper shaft 11 in the scraper shaft assembly 1 is connected with the scraper mounting plate 35 through a bearing; the end face of the scraper shaft 11 is provided with a cam bearing corresponding to the pawl; the cam bearing is located in the pawl and has a horizontal moving degree of freedom in the pawl.
[0041] Working principle:
[0042] When the angle between the scraper blade and the scraped surface is adjusted, the cam pawl 25 is moved up and down by rotating the hand wheel 211, and then the scraper shaft 21 is rotated by the cam bearing 22 to adjust the angle between the scraper blade 15 and the scraped surface, and the purpose of accurately adjusting the angle of the scraper is achieved through the scale on the C-shaped frame 26.
[0043] When the scraper is replaced, the sliding table air cylinder 312 is retracted first to separate the scraper blade 15 from the scraped surface, then the pin in the quick bolt 33 is pulled out, and the positioning pressure rod 32 is lifted. Through the connecting rod structure of the connecting rod A 37 and the connecting rod B 38, the scraper shaft assembly 1 is turned 90° to the operator side as a whole, so that the scraper blade 15 changes from inward to upward to facilitate the operator to replace the scraper blade. After the replacement of the scraper blade is completed, the scraper shaft is turned back, the positioning pressure rod is pressed, and the pin in the quick bolt is extended; the sliding table air cylinder is extended again to make the scraper blade enter the working state again. The replacement work of the scraper blade is completed.
Claims
1. A novel scraper device, comprising a scraper shaft assembly (1), a scraper angle adjusting assembly (2), a scraper turnover locking assembly (3) and a dust removal box assembly (4), characterized in that, the scraper shaft assembly (1) is used for mounting a scraper blade (15); the scraper shaft assembly (1) is mounted on the scraper turnover locking assembly (3) through the scraper angle adjusting assembly (2); the dust removal box assembly is located below the scraper assembly and is used for collecting impurities scraped by the scraper blade; the scraper angle adjusting assembly (2) comprises a C-shaped frame (26), a lead screw (23) and a guide rod (24); the lead screw and the guide rod are mounted on the inner side of the C-shaped frame; the lead screw and the guide rod are arranged in parallel, wherein the two ends of the guide rod are fixedly mounted on the top plate and the bottom plate of the C-shaped frame, respectively; the two ends of the lead screw are connected with the top plate and the bottom plate of the C-shaped frame through bearings; a cam block (25) is further arranged in the C-shaped frame, the cam block (25) is constrained on the guide rod and is threadedly connected with the lead screw, and has a freedom of sliding along the guide rod; one side of the cam block is provided with a pawl; the scraper turnover locking assembly (3) comprises a positioning mounting plate (31) and a scraper mounting plate (35), and the positioning mounting plate (31) and the scraper mounting plate (35) are arranged in parallel; the inner side of the positioning mounting plate is provided with a connecting rod and a positioning pressure rod (32) hinged thereto, and the other end of the connecting rod is hinged to the scraper mounting plate; the inner side of the scraper mounting plate is further provided with a mounting plate positioning pin (36), one end of the positioning pressure rod is hinged to the positioning mounting plate, and the other end of the positioning pressure rod is connected with the positioning mounting plate through a quick latch, and in the locked state of the scraper mounting plate, the positioning pressure rod is pressed on the top of the mounting plate positioning pin; the C-shaped frame (26) is mounted on the scraper mounting plate, and one end of a scraper shaft (11) in the scraper shaft assembly (1) is connected with the scraper mounting plate (35) through a bearing; a cam bearing corresponding to the pawl is arranged on the end face of the scraper shaft (11); the cam bearing is located in the pawl and has a freedom of horizontal movement in the pawl.
2. A novel doctor blade device as claimed in claim 1, wherein, the scraper shaft assembly comprises a scraper shaft (11) and a scraper pressure plate (12); the scraper shaft and the scraper pressure plate are connected through a tension spring; the scraper pressure plate is provided with a resin screw for limiting.
3. A novel doctor blade device as claimed in claim 1, wherein, the C-shaped frame comprises a top plate, a bottom plate and a side plate, wherein the side plate is located between the top plate and the bottom plate; the lead screw and the guide rod are perpendicular to the top plate and parallel to the side plate.
4. A novel doctor blade apparatus as claimed in claim 1, wherein, the connecting rod and the positioning pressure rod are located in the same plane.
5. A novel doctor blade device as claimed in claim 3, wherein, a spring is arranged between the top plate and the cam block; the spring is sleeved on the guide rod.
6. A novel doctor blade apparatus as claimed in claim 3, wherein, the side plate is provided with a slot, and the outer edge of the slot is marked with a size; the other side of the cam block extends into the slot.
7. A novel doctor blade apparatus as claimed in claim 3, wherein, a locking block is arranged on the top of the top plate; the top end of the lead screw passes through the locking block and is fixedly connected with a hand wheel above the locking block; one side of the locking block is provided with a locking handle threadedly connected therewith, and in the locked state of the lead screw, the inner end of the locking handle abuts against the lead screw.
8. A novel doctor blade apparatus as claimed in claim 1, wherein, The scraper turnover locking assembly (3) further comprises a sliding table air cylinder (312) and an adjusting seat (39); the positioning installation plate is installed on the rack through the sliding table air cylinder, and the positioning installation plate is located on the piston of the sliding table air cylinder; the adjusting seat is fixedly installed on the positioning installation plate and located below the scraper installation plate (35); at least two adjusting screws (311) that are parallel to each other and are in threaded connection with the adjusting seat are arranged on the adjusting seat; and the bottom of the scraper installation plate abuts against the top end of the adjusting screw.
9. A novel doctor blade apparatus as claimed in claim 1, wherein, The connecting rod is provided with two.