Hard alloy ink coating device

By designing a cemented carbide ink coating device including an ink immersion tank, an electric telescopic rod, a servo motor and an eccentric wheel, the problem of low coating efficiency of existing devices can only be solved, and stable positioning and efficient coating of multiple cemented carbide materials are achieved.

CN223288369UActive Publication Date: 2025-09-02HEYUAN YUEAO CEMENTED CARBIDE
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Patent Information

Application Number
CN202422666240.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-02
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The existing cemented carbide ink coating devices can only apply one-sided coating of cemented carbide, which has low efficiency.

Method used

A cemented carbide ink coating device including an ink immersion tank, an electric telescopic rod, a servo motor, an eccentric wheel and a positioning block is designed. The eccentric wheel is driven by the servo motor, and the movable plate is intermittently extruded by the eccentric rotation characteristic of the eccentric wheel to achieve stable positioning of the cemented carbide material and uniform adhesion of liquid graphite.

Benefits of technology

The stable positioning and efficient ink immersion of multiple pieces of cemented carbide materials is achieved, ensuring uniform adhesion of liquid graphite, improving coating efficiency, and shaking off excess liquid graphite through vibration, ensuring coating quality.

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Abstract

The utility model discloses a hard alloy ink coating device which comprises an ink dipping pool, a top frame is fixed to the top end of the ink dipping pool, an electric telescopic rod is fixedly installed at the top of the top frame, and a base plate is fixedly installed at the bottom end of the electric telescopic rod. The top of the movable plate penetrates through the limiting window, the limiting window is formed in the middle of the base plate, a horizontal rod is fixedly installed on the top face of the base plate, the horizontal rod penetrates through a hole formed in the top of the movable plate, and a reset spring is fixedly installed on the other side of the movable plate; the bottom ends of the bottom threaded rods are fixedly connected with the corners of the inner side of the bottom screen frame, and the bottom threaded rods penetrate through holes formed in the corners of the top screen plate. According to the hard alloy ink coating device, novel structural design is adopted, a plurality of hard alloy materials can be stably positioned, the contact area of the positioning mechanism is small, the ink soaking efficiency is high, meanwhile, redundant liquid graphite can be shaken off through vibration, and it is guaranteed that the liquid graphite is evenly attached to the surfaces of the hard alloy materials.
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Description

Technical Field

[0001] The utility model relates to the technical field of hard alloy ink coating, in particular to a hard alloy ink coating device. Background Art

[0002] Before sintering, cemented carbide usually needs to be coated with a layer of liquid graphite on its outer surface. The main purpose of this step is to improve the high temperature resistance of cemented carbide, and it also helps to improve its surface quality and processing performance.

[0003] Existing cemented carbide inking devices, such as the one with publication number CN218360232U, include an operating table, a motorized conveyor roller, and a conveyor belt. A material box is located on top of the box, and an adjustment mechanism is installed laterally inside the box. An electro-hydraulic lever is located at the bottom of the adjustment mechanism, and is electrically connected to an external power source. The output end of the electro-hydraulic lever is connected to a connecting plate, and a material spreading assembly is installed at one end of the connecting plate. A drying mechanism is installed on one side of the box. In this solution, the coating mechanism is located only on the top, and can only coat the cemented carbide on one side, resulting in low overall efficiency. Therefore, it is necessary to design a cemented carbide inking device to address the above issues. Utility Model Content

[0004] The purpose of the present utility model is to provide a cemented carbide ink coating device to solve at least one technical problem existing in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A cemented carbide ink coating device, comprising:

[0007] An ink immersion pool, wherein a top frame is fixed on the top of the ink immersion pool, an electric telescopic rod is fixedly installed on the top of the top frame, a base plate is fixedly installed on the bottom end of the electric telescopic rod, a servo motor is fixed on one side of the top surface of the base plate, an eccentric wheel is fixedly installed on the end of the output shaft on the top of the servo motor, and one side of the eccentric wheel is in contact with one side of the movable plate;

[0008] A movable plate, the top of the movable plate passes through a limit window, the limit window is opened in the middle of the base plate, a horizontal rod is fixedly installed on the top surface of the base plate, the horizontal rod passes through the hole opened on the top of the movable plate, a return spring is fixedly installed on the other side of the movable plate, the end of the return spring is fixed on the other side of the top surface of the base plate, a bottom threaded rod is fixedly installed at the corner of the bottom end of the movable plate, and a positioning nut is installed in the middle of the bottom threaded rod;

[0009] The bottom threaded rod, the bottom end of the bottom threaded rod is fixedly connected to the inner corner of the bottom mesh frame, the bottom threaded rod passes through the hole opened at the corner of the top mesh plate, the top mesh plate is installed on the top of the bottom mesh frame, an adjusting bolt is installed through the hole opened in the middle of the top mesh plate, a locking nut is installed on the adjusting bolt, the bottom end of the adjusting bolt is fixedly installed with an upper positioning block, and a lower positioning block is fixedly installed on the inner bottom surface of the bottom mesh frame below the upper positioning block.

[0010] Preferably, the center of the eccentric wheel and the center of the movable plate are on the same vertical plane, and the movable plate is slidably connected to the limiting window.

[0011] Preferably, the front view and side view shapes of the movable plate are both "丄"-shaped, and the top surface of the bottom plate structure of the movable plate is in contact with the bottom surface of the substrate.

[0012] Preferably, the horizontal rod is slidably connected to the hole opened at the top of the movable plate, and the horizontal rods are symmetrically distributed about the center of the movable plate.

[0013] Preferably, the bottom threaded rod is slidably connected to the hole opened at the corner of the top mesh plate, and the bottom threaded rods are symmetrically distributed about the center of the top mesh plate.

[0014] Preferably, the adjusting bolt is slidably connected to the hole opened in the middle of the top mesh plate, and locking nuts are symmetrically installed above and below the hole opened in the middle of the top mesh plate on the adjusting bolt.

[0015] Preferably, both the upper positioning block and the lower positioning block are frustum-shaped, and the centers of the upper positioning block and the lower positioning block are on the same vertical line.

[0016] Preferably, the upper positioning blocks and the lower positioning blocks are evenly distributed at equal intervals, and the distance between the bottom end of the upper positioning block and the top end of the lower positioning block is greater than half of the overall height of the bottom mesh frame.

[0017] Compared with the prior art, the beneficial effects of the present utility model are:

[0018] Adopting a new structural design, it can stably position multiple hard alloy materials, and the positioning mechanism has a small contact area, high ink dipping efficiency. At the same time, it can shake off the excess liquid graphite through vibration, ensuring that the liquid graphite adheres evenly to the surface of the hard alloy material;

[0019] 1. By the cooperation of the adjusting bolt and the locking nut, the present utility model adjusts the distance between the upper positioning block and the lower positioning block, and can squeeze and position hard alloy materials with different thicknesses, ensuring the stability of the hard alloy materials during the ink dipping process;

[0020] 2. The utility model drives the eccentric wheel to rotate stably through a servo motor. By utilizing the eccentric rotation characteristic of the eccentric wheel, the movable plate is intermittently squeezed, so that the movable plate moves back and forth horizontally in a small range along the limit window and the horizontal rod under the elastic force of the return spring, thereby shaking off the excess liquid graphite on the cemented carbide material in the bottom mesh frame and the top mesh plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view structural diagram of the utility model.

[0022] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the side cross-sectional structure of the utility model.

[0024] Figure 4 This is a schematic diagram of the top view of the eccentric wheel, movable plate, horizontal rod and return spring of the utility model.

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the bottom screen frame of the utility model from a top view.

[0026] In the figure: 1. Ink immersion pool; 2. Top frame; 3. Electric telescopic rod; 4. Base plate; 5. Servo motor; 6. Eccentric wheel; 7. Movable plate; 8. Limit window; 9. Horizontal rod; 10. Return spring; 11. Bottom threaded rod; 12. Positioning nut; 13. Bottom screen frame; 14. Top screen plate; 15. Adjusting bolt; 16. Locking nut; 17. Upper positioning block; 18. Lower positioning block. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope protected by the present utility model.

[0031] Please refer to Figure 1-5 , an embodiment provided by the present utility model:

[0032] A cemented carbide ink coating device, which includes:

[0033] An ink dipping pool 1, a top frame 2 is fixed at the top of the ink dipping pool 1, an electric telescopic rod 3 is fixedly installed at the top of the top frame 2, a substrate 4 is fixedly installed at the bottom end of the electric telescopic rod 3, a servo motor 5 is fixed on one side of the top surface of the substrate 4, an eccentric wheel 6 is fixedly installed at the end of the output shaft at the top of the servo motor 5, one side of the eccentric wheel 6 is in contact with one side of the movable plate 7, the center of the eccentric wheel 6 and the center of the movable plate 7 are in the same vertical plane, the front view and side view shapes of the movable plate 7 are both "丄" shaped, the top surface of the bottom plate structure of the movable plate 7 is in contact with the bottom surface of the substrate 4, and the above structural design enables the movable plate 7 to stably contact the substrate 4 for horizontal movement. The movable plate 7 is slidably connected to the limit window 8, and the above structural design enables the eccentric wheel 6 to stably push the movable plate 7 to move horizontally along the limit window 8 when rotating;

[0034] The movable plate 7, the top of the movable plate 7 penetrates through the limit window 8, the limit window 8 is opened in the middle of the substrate 4, a horizontal rod 9 is fixedly installed on the top surface of the substrate 4, the horizontal rod 9 penetrates through the hole opened at the top of the movable plate 7, the horizontal rod 9 is slidably connected to the hole opened at the top of the movable plate 7, and the horizontal rods 9 are symmetrically distributed about the center of the movable plate 7. The above structural design further improves the stability of the horizontal movement of the movable plate 7 and supports the movable plate 7 and its bottom installation mechanism. A return spring 10 is fixedly installed on the other side of the movable plate 7, the end of the return spring 10 is fixed on the other side of the top surface of the substrate 4, and a bottom threaded rod 11 is fixedly installed at the corner of the bottom end of the movable plate 7, and a positioning nut 12 is installed in the middle of the bottom threaded rod 11;

[0035] The bottom threaded rod 11, the bottom end of the bottom threaded rod 11 is connected and fixed to the inner corner of the bottom mesh frame 13, the bottom threaded rod 11 passes through the holes opened at the corners of the top mesh plate 14, the top mesh plate 14 is installed on the top of the bottom mesh frame 13, and the hole opened in the middle of the top mesh plate 14 is penetrated by an adjusting bolt 15, a locking nut 16 is installed on the adjusting bolt 15, an upper positioning block 17 is fixedly installed on the bottom end of the adjusting bolt 15, and a lower positioning block 18 is fixedly installed on the inner bottom surface of the bottom mesh frame 13 below the upper positioning block 17.

[0036] In one embodiment, the bottom threaded rod 11 is slidably connected to the holes opened at the corners of the top mesh plate 14, and the bottom threaded rod 11 is symmetrically distributed about the center of the top mesh plate 14. The above structural design enables the top mesh plate 14 to slide stably vertically along the bottom threaded rod 11 for opening and closing.

[0037] In one of the preferred embodiments, the adjusting bolt 15 is slidably connected to the hole opened in the middle of the top mesh plate 14, and locking nuts 16 are symmetrically installed on the adjusting bolt 15 with respect to the hole opened in the middle of the top mesh plate 14. The above structural design enables the working height of the adjusting bolt 15 to be easily adjusted and fixed.

[0038] In one embodiment, the upper positioning block 17 and the lower positioning block 18 are both truncated cone-shaped, and the center of the upper positioning block 17 and the center of the lower positioning block 18 are on the same vertical line. The above-mentioned structural design can stably extrude the cemented carbide material for positioning, and the contact area is small. After the upper positioning block 17 and the lower positioning block 18 are separated from the surface of the cemented carbide material, the liquid graphite can be leveled by self-flow.

[0039] In one of the preferred embodiments, the upper positioning blocks 17 and the lower positioning blocks 18 are distributed at equal intervals, and the distance between the bottom end of the upper positioning block 17 and the top end of the lower positioning block 18 is greater than half of the overall height of the bottom mesh frame 13. The above structural design enables the upper positioning blocks 17 and the lower positioning blocks 18 to stably position cemented carbide materials of different thicknesses.

[0040] The working principle of the utility model is as follows: when using the device, inject an appropriate amount of liquid graphite into the ink immersion pool 1, screw the positioning nut 12 upward, push the top screen plate 14 to slide along the bottom threaded rod 11, expose the bottom screen frame 13, put the carbide material to be inked on the lower positioning block 18 in the bottom screen frame 13, rotate the symmetrically distributed locking nuts 16 away from the upper and lower end surfaces of the top screen plate 14, push the top screen plate 14 downward to close, loosen the adjusting bolt 15, and the adjusting bolt 15 and the upper positioning block 17 move downward under the action of gravity to the upper positioning block 18. The bottom end of the block 17 fits in with the top surface of the carbide material on the lower positioning block 18, and the locking nut 16 above the top mesh plate 14 is rotated downward to fit in with the top surface of the top mesh plate 14. Then, the top mesh plate 14 is moved up, and the locking nut 16 below the top mesh plate 14 is rotated upward to fit in with the bottom surface of the top mesh plate 14. The position of the adjusting bolt 15 and the upper positioning block 17 is fixed, and finally, the top mesh plate 14 is closed again, and the positioning nut 12 is screwed down to squeeze the top mesh plate 14 to fix it. The upper positioning block 17 and the lower positioning block 18 stably squeeze and fix the carbide material.

[0041] The electric telescopic rod 3 is controlled to extend, pushing the bottom mesh frame 13 and the top mesh plate 14 to be completely immersed in the liquid graphite in the ink immersion tank 1. The liquid graphite adheres to the surface of the cemented carbide material. Then, the electric telescopic rod 3 is controlled to shorten, driving the bottom mesh frame 13 and the top mesh plate 14 to move upward and separate from the liquid graphite in the ink immersion tank 1. The servo motor 5 is started. The servo motor 5 drives the eccentric wheel 6 to rotate stably in one direction. The eccentric wheel 6 uses its eccentric rotation characteristics to intermittently push the movable plate 7. Under the action of the return spring 10, the movable plate 7 moves horizontally back and forth along the limit window 8 and the horizontal rod 9. The movable plate 7 moves horizontally back and forth synchronously with the bottom threaded rod 11, the bottom mesh frame 13 and the top mesh plate 14 to shake off the excess liquid graphite on the cemented carbide material. The servo motor 5 is controlled to stop working.

[0042] Screw up the positioning nut 12, move up and open the top mesh plate 14, take out the cemented carbide material, and the small blank area on the surface of the cemented carbide material that contacts the end faces of the upper positioning block 17 and the lower positioning block 18 is covered by liquid graphite by self-flow, completing the cemented carbide inking.

[0043] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.

Claims

1. A cemented carbide ink coating device, characterized in that: It includes: An ink dipping pool (1), a top frame (2) is fixed at the top of the ink dipping pool (1), an electric telescopic rod (3) is fixedly installed at the top of the top frame (2), a substrate (4) is fixedly installed at the bottom end of the electric telescopic rod (3), a servo motor (5) is fixed on one side of the top surface of the substrate (4), an eccentric wheel (6) is fixedly installed at the end of the output shaft at the top of the servo motor (5), and one side of the eccentric wheel (6) is in contact with one side of the movable plate (7); A movable plate (7), the top of the movable plate (7) penetrates through a limiting window (8), the limiting window (8) is opened in the middle of the substrate (4), a horizontal rod (9) is fixedly installed on the top surface of the substrate (4), the horizontal rod (9) penetrates through a hole opened at the top of the movable plate (7), a return spring (10) is fixedly installed on the other side of the movable plate (7), the end of the return spring (10) is fixed on the other side of the top surface of the substrate (4), a bottom threaded rod (11) is fixedly installed at the corner at the bottom end of the movable plate (7), and a positioning nut (12) is installed in the middle of the bottom threaded rod (11); A bottom threaded rod (11), the bottom end of the bottom threaded rod (11) is fixedly connected to the inner corner of the bottom mesh frame (13), the bottom threaded rod (11) penetrates through a hole opened at the corner of the top mesh plate (14), the top mesh plate (14) is installed on the top of the bottom mesh frame (13), an adjusting bolt (15) penetrates through a hole opened in the middle of the top mesh plate (14), a locking nut (16) is installed on the adjusting bolt (15), an upper positioning block (17) is fixedly installed at the bottom end of the adjusting bolt (15), and a lower positioning block (18) is fixedly installed on the inner bottom surface of the bottom mesh frame (13) below the upper positioning block (17).

2. A cemented carbide ink coating device according to claim 1, characterized in that: The center of the eccentric wheel (6) and the center of the movable plate (7) are on the same vertical plane, and the movable plate (7) is slidably connected to the limiting window (8).

3. The cemented carbide ink coating device according to claim 1, characterized in that: The front view and side view shapes of the movable plate (7) are both "丄"-shaped, and the top surface of the bottom plate structure of the movable plate (7) is in contact with the bottom surface of the substrate (4).

4. The cemented carbide ink coating device according to claim 1, characterized in that: The horizontal rod (9) is slidably connected to the hole opened at the top of the movable plate (7), and the horizontal rods (9) are symmetrically distributed about the center of the movable plate (7).

5. The cemented carbide ink coating device according to claim 1, characterized in that: The bottom threaded rod (11) is slidably connected to the hole opened at the corner of the top mesh plate (14), and the bottom threaded rods (11) are symmetrically distributed about the center of the top mesh plate (14).

6. The cemented carbide ink coating device according to claim 1, characterized in that: The adjusting bolt (15) is slidably connected to the hole opened in the middle of the top mesh plate (14), and locking nuts (16) are symmetrically installed above and below the hole opened in the middle of the top mesh plate (14) on the adjusting bolt (15).

7. The cemented carbide ink coating device according to claim 1, characterized in that: Both the upper positioning block (17) and the lower positioning block (18) are frustum-shaped, and the centers of the upper positioning block (17) and the lower positioning block (18) are on the same vertical line.

8. The cemented carbide ink coating device according to claim 1, characterized in that: Both the upper positioning block (17) and the lower positioning block (18) are equally spaced, and the distance between the bottom end of the upper positioning block (17) and the top end of the lower positioning block (18) is greater than half of the overall height of the bottom mesh frame (13).

Citation Information

Patent Citations

  • Hard alloy ink coating equipment

    CN218360232U