Three-roller grinding device

Abstract

The utility model discloses a three-roller grinding device which comprises a three-roller grinding machine body, grinding rollers are rotatably connected in the three-roller grinding machine body, one side of one of the grinding rollers is provided with a discharge port, and one side of the discharge port is provided with a scraping plate which is convenient for scraping ink at the discharge port back into the grinding rollers; by arranging the fineness detection structure and the material taking structure, when the three-roller grinding machine is used for grinding, a small amount of ink ground at the discharging opening can be sampled through the material taking structure, the taken-out ink is smeared at one end of the scraper fineness meter, and after the scraper body descends, the ink horizontally moves above the scraper fineness meter; according to the device, ink on the scraper fineness meter is bulldozed and detected, a worker observes a detection result, if the fineness is not standard enough, the ink at the discharging port is scraped upwards through the scraper plate, the ink enters the grinding roller again to be ground repeatedly, the fineness detection and circulating grinding of the ink can be automatically completed, and operation is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of ink grinding equipment, in particular to a three-roller grinding device. Background Art

[0002] The three-roller mill is the most effective grinding and dispersing equipment for high-viscosity materials. It is mainly used for grinding various liquid slurries and paste materials such as paints, inks, pigments, plastics, cosmetics, soaps, ceramics, rubber, etc. The three-roller mill has three rollers installed on an iron frame with the center in a straight line. It can be installed horizontally or slightly tilted. The grinding effect is achieved by the mutual extrusion of the surfaces of the three horizontal rollers and the friction at different speeds.

[0003] A three-roller grinding machine is disclosed in Chinese patent CN208302871U, including a frame body, a front grinding roller, a middle grinding roller and a rear grinding roller are arranged on the upper part of the frame body, a grinding groove is arranged on the top of the frame body, the front grinding roller, the middle grinding roller and the rear grinding roller are located in the grinding groove, a discharge port is arranged at the front end of the grinding groove, and a material blocking mechanism for blocking the material is also included, the material blocking mechanism includes a baffle, a support frame is arranged on the frame body, a screw rod is rotatably passed through the support frame, two baffles are arranged, the two baffles are respectively matched with the screw thread and distributed at the left and right ends of the screw, a guide rod is arranged on the support frame, the guide rod passes through the two baffles, the left and right ends of the screw thread are rotated in opposite directions, and the two baffles can approach or move away from each other when the screw is rotating. When the screw is rotated, the baffle and the screw thread are matched, and under the action of the guide rod, the two plates are close to or away from each other along the screw, making it more convenient to adjust the baffle.

[0004] When grinding ink, the three-roller grinder needs to manually take samples of the ground ink to test the fineness. If the fineness of the ground ink does not meet the standard, the ink at the discharge port needs to be manually scraped out and re-loaded into the grinding roller for repeated grinding before sampling and testing. The operation is not convenient enough. Utility Model Content

[0005] The purpose of the utility model is to provide a three-roller grinding device to solve the problem that the three-roller grinding machine in the prior art mentioned in the background technology needs manual detection of ink fineness, scraping out the ink at the discharge port and re-loading, and sampling and detection are required after repeated grinding, which makes the operation inconvenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-roller grinding device, comprising a three-roller grinding machine body, wherein a grinding roller is rotatably connected to the three-roller grinding machine body, one side of one of the grinding rollers is provided with a discharge port, one side of the discharge port is provided with a scraper plate for scraping the ink at the discharge port back into the grinding roller, a driving structure for driving the scraper plate to move is provided on the top of the three-roller grinding machine body, a detection platform is fixed to one end of the three-roller grinding machine body, a fineness detection structure for detecting the fineness of the ink is provided above the detection platform, and a material collection structure for detecting the ink collection at the discharge port is provided on one side of the detection platform.

[0007] Preferably, the fineness detection structure includes a scraper fineness meter and a scraper body, the scraper fineness meter is fixed on the top of the detection platform by screws, a top plate is fixed on the top of the detection platform, and a displacement structure for driving the scraper body to move is provided at the bottom of the top plate.

[0008] Preferably, the displacement structure includes a first electric slide, the first electric slide is fixedly connected to the top plate, a displacement plate is fixed on the slide of the first electric slide, a cylinder is fixed below the displacement plate, and the scraper body is fixed to the telescopic end of the cylinder.

[0009] Preferably, the displacement structure further includes a guide rail, two guide rails are provided, the two guide rails are respectively fixed at two ends of the top plate, and the displacement plate is slidably connected to the guide rail.

[0010] Preferably, the material picking structure includes a material picking plate, an extension plate is fixed to one side of the detection platform by screws, one side of the extension plate is rotatably connected to a rotating rod, and the other side of the extension plate is equipped with a material picking motor for driving the rotating rod to rotate, a support plate is fixed to one end of the rotating rod, and the material picking plate is fixed to one end of the support plate.

[0011] Preferably, the material taking structure and the fineness detection structure are both provided with a plurality of groups, and the plurality of material taking plates are arranged in a linear manner.

[0012] Preferably, the driving structure comprises a second electric slide and a moving frame, the second electric slide is mounted at two ends of the top of the three-roller grinding machine body, and the two ends of the moving frame are respectively fixedly connected to the slides of the two second electric slides.

[0013] Preferably, the driving structure also includes a rotating plate, the top end of the rotating plate is rotatably connected to the bottom of the movable frame, a rotating motor is fixed to one side of the movable frame, the output end of the rotating motor is fixedly connected to the rotating shaft of the rotating plate, and the scraper body is fixed to the bottom end of the rotating plate.

[0014] Preferably, the scraper body and the material taking plate are both configured as soft rubber plates, and the scraper body and the rotating plate are configured orthogonally.

[0015] Preferably, a discharge plate for facilitating the discharge of ink is provided below the discharge port, one end of the discharge plate is fixedly connected to the three-roller grinding machine body, and the discharge plate is arranged at an angle.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model is provided with a fineness detection structure and a material taking structure. When the three-roller grinder is grinding, a small amount of ink after grinding can be sampled from the discharge port through the material taking structure, and the taken ink can be smeared on one end of the scraper fineness meter. After the scraper body is lowered, it is horizontally displaced above the scraper fineness meter to achieve the ink on the scraper fineness meter being pushed flat for detection. The staff observes the detection result. If the fineness is not up to the standard, the ink at the discharge port is scraped upwards through the scraper plate to re-enter the grinding roller for repeated grinding. The fineness detection of the ink and the cyclic grinding can be automatically completed, and the operation is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an axonometric drawing of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the material taking structure of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the fineness detection structure of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the driving structure of the utility model.

[0022] In the figure: 1. three-roller grinding machine body; 2. grinding roller; 3. discharge port; 4. scraper plate; 5. driving structure; 6. detection platform; 7. fineness detection structure; 8. material picking structure; 701. scraper fineness meter; 702. scraper body; 703. top plate; 704. first electric slide; 705. displacement plate; 706. cylinder; 707. guide rail; 801. material picking plate; 802. extension plate; 803. rotating rod; 804. material picking motor; 805. support plate; 501. second electric slide; 502. moving frame; 503. rotating plate; 504. rotating motor; 9. unloading plate. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figure 1-4 The utility model provides a technical solution: a three-roll grinding device, including a three-roll grinding machine body 1, a grinding roller 2 is rotatably connected in the three-roll grinding machine body 1, one side of the grinding roller 2 is provided with a discharge port 3, one side of the discharge port 3 is provided with a scraper plate 4 that is convenient for scraping the ink at the discharge port 3 back into the grinding roller 2, the top of the three-roll grinding machine body 1 is provided with a driving structure 5 for driving the scraper plate 4 to move, one end of the three-roll grinding machine body 1 is fixed with a detection platform 6, the top of the detection platform 6 is provided with a fineness detection structure 7 for detecting the fineness of the ink, and one side of the detection platform 6 is provided with a material taking structure 8 for detecting the ink taking out of the discharge port 3.

[0025] The fineness detection structure 7 includes a scraper fineness meter 701 and a scraper body 702. The scraper fineness meter 701 is fixed on the top of the detection platform 6 by screws. A top plate 703 is fixed on the top of the detection platform 6. A displacement structure for driving the scraper body 702 to move is provided at the bottom of the top plate 703.

[0026] The displacement structure includes a first electric slide 704, which is fixedly connected to the top plate 703. A displacement plate 705 is fixed on the slide of the first electric slide 704, a cylinder 706 is fixed below the displacement plate 705, and the scraper body 702 is fixed to the telescopic end of the cylinder 706.

[0027] The cylinder 706 drives the scraper body 702 to descend, and after the first electric slide 704 is started, it drives the displacement plate 705 to move. Figure 1 and Figure 3 As shown, the displacement plate 705 drives the cylinder 706 and the scraper body 702 to move horizontally, scraping the ink on the top of the scraper fineness meter 701.

[0028] The displacement structure further includes a guide rail 707 . Two guide rails 707 are provided. The two guide rails 707 are respectively fixed at two ends of the top plate 703 . The displacement plate 705 is slidably connected to the guide rails 707 .

[0029] The material picking structure 8 includes a material picking plate 801, an extension plate 802 is fixed to one side of the detection platform 6 by screws, one side of the extension plate 802 is rotatably connected to a rotating rod 803, and the other side of the extension plate 802 is equipped with a material picking motor 804 for driving the rotating rod 803 to rotate, one end of the rotating rod 803 is fixed to a support plate 805, and the material picking plate 801 is fixed to one end of the support plate 805.

[0030] Start the feeding motor 804, so that the rotating rod 803 drives the supporting plate 805 to rotate. The rubber feeding plate 801 at one end of the supporting plate 805 contacts the ink at the discharge port 3 during the rotation, and in the process of continued rotation, the ink with less material is scraped on one end of the feeding plate 801 to realize feeding. After the feeding is completed, the supporting plate 805 continues to drive the feeding plate 801 to rotate, so that the ink at one end of the feeding plate 801 is smeared on the top of one end of the scraper fineness meter 701.

[0031] The material taking structure 8 and the fineness detection structure 7 are both provided with several groups, and the several material taking plates 801 are arranged in a linear manner. By providing several groups of fineness detection structures 7, it is used to detect the ink with different grinding times respectively to determine whether the ink meets the fineness requirement.

[0032] The driving structure 5 includes a second electric slide 501 and a moving frame 502 . The second electric slide 501 is installed at both ends of the top of the three-roller grinding machine body 1 . Both ends of the moving frame 502 are fixedly connected to the slides of the two second electric slides 501 .

[0033] The driving structure 5 also includes a rotating plate 503, the top end of which is rotatably connected to the bottom of the moving frame 502, a rotating motor 504 is fixed to one side of the moving frame 502, the output end of the rotating motor 504 is fixedly connected to the rotating shaft of the rotating plate 503, and the scraper body 702 is fixed to the bottom end of the rotating plate 503.

[0034] The rotating motor 504 is started, so that the rotating plate 503 drives the scraper body 702 to rotate counterclockwise. Figure 1 and Figure 4 As shown, the scraper body 702 contacts the ink at the discharge port 3, and at the same time the second electric slide 501 is started to drive the movable frame 502 to move to the right, so that the scraper body 702 smears the scraped ink on the outer wall of the grinding roller 2, so that the ink re-enters the gap of the grinding roller 2 for grinding during the rotation of the grinding roller 2. After the grinding is completed, the material picking and detection are completed again by the material picking structure 8 and the fineness detection structure 7.

[0035] The scraper body 702 and the material taking plate 801 are both configured as soft rubber plates, and the scraper body 702 and the rotating plate 503 are configured to be orthogonal.

[0036] A discharge plate 9 is provided below the discharge port 3 for facilitating the discharge of ink. One end of the discharge plate 9 is fixedly connected to the three-roller grinding machine body 1 , and the discharge plate 9 is arranged at an angle.

[0037] When in use, the ink slurry is mixed and put into the grinding roller 2 of the three-roller grinder body 1, and ground for a certain number of times at a certain pressure. The material taking structure 8 takes an appropriate amount of ink slurry from the discharge port 3 and places it on the top of the scraper fineness meter 701 for measurement. The specific operation is: the ground ink gradually accumulates at the discharge port 3, and the material taking motor 804 is started to make the rotating rod 803 drive the support plate 805 to rotate. The rubber soft material taking plate 801 at one end of the support plate 805 contacts the ink at the discharge port 3 during the rotation, and in the process of continuing to rotate, the less ink is scraped on one end of the material taking plate 801 to realize material taking. After the material taking is completed, the support plate 805 continues to drive the material taking plate 801 to rotate, so that the ink at one end of the material taking plate 801 is smeared on the top of one end of the scraper fineness meter 701, waiting for detection.

[0038] During the test, the specific operation is as follows: the cylinder 706 drives the scraper body 702 to descend, so that the scraper body 702 contacts the ink on the scraper fineness meter 701, and after the first electric slide 704 is started, it drives the displacement plate 705 to move. Figure 1 and Figure 3 As shown, the displacement plate 705 drives the cylinder 706 and the scraper body 702 to move horizontally, scraping the ink on the top of the scraper fineness meter 701 so that it is evenly scraped, and the staff visually observes the fineness distribution.

[0039] If the fineness meets the requirements, the staff will discharge the ink from the discharge port 3. If the fineness does not meet the requirements, the ink from the discharge port 3 needs to be scraped back into the grinding roller 2 for repeated grinding. The specific operation is: the motor 504 is turned on to make the rotating plate 503 drive the scraper body 702 to rotate counterclockwise, such as Figure 1 and Figure 4 As shown, the scraper body 702 contacts the ink at the discharge port 3, and at the same time the second electric slide 501 is started to drive the movable frame 502 to move to the right, so that the scraper body 702 smears the scraped ink on the outer wall of the grinding roller 2, so that the ink re-enters the gap of the grinding roller 2 for grinding during the rotation of the grinding roller 2. After the grinding is completed, the material picking and detection are completed again by the material picking structure 8 and the fineness detection structure 7 until the fineness meets the requirements.

[0040] Compared with the traditional three-roller grinder, the device can automatically complete the fineness detection and circulation grinding of ink, and the operation is more convenient and quick.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-roll grinding device, characterized in that: The invention comprises a three-roller grinding machine body (1), wherein a grinding roller (2) is rotatably connected inside the three-roller grinding machine body (1), wherein a discharge port (3) is arranged on one side of one of the grinding rollers (2), and a scraper plate (4) is arranged on one side of the discharge port (3) for scraping ink from the discharge port (3) back into the grinding roller (2), and a driving structure (5) for driving the scraper plate (4) to move is arranged on the top of the three-roller grinding machine body (1), and a detection platform (6) is fixed on one end of the three-roller grinding machine body (1), and a fineness detection structure (7) for detecting the fineness of the ink is arranged above the detection platform (6), and a material collection structure (8) for detecting the ink material collection from the discharge port (3) is arranged on one side of the detection platform (6).

2. A three-roll grinding device according to claim 1, characterized in that: The fineness detection structure (7) comprises a scraper fineness meter (701) and a scraper body (702); the scraper fineness meter (701) is fixed on the top of the detection platform (6) by means of screws; a top plate (703) is fixed on the top of the detection platform (6); and a displacement structure for driving the scraper body (702) to move is arranged at the bottom of the top plate (703).

3. A three-roll grinding device according to claim 2, characterized in that: The displacement structure comprises a first electric slide (704), wherein the first electric slide (704) is fixedly connected to a top plate (703), a displacement plate (705) is fixed on the slide of the first electric slide (704), a cylinder (706) is fixed below the displacement plate (705), and the scraper body (702) is fixed to the telescopic end of the cylinder (706).

4. A three-roll grinding device according to claim 3, characterized in that: The displacement structure further comprises a guide rail (707), two guide rails (707) are provided, the two guide rails (707) are respectively fixed at two ends of the top plate (703), and the displacement plate (705) is slidably connected to the guide rail (707).

5. A three-roll grinding device according to claim 4, characterized in that: The material picking structure (8) includes a material picking plate (801), an extension plate (802) is fixed to one side of the detection platform (6) by screws, one side of the extension plate (802) is rotatably connected to a rotating rod (803), and the other side of the extension plate (802) is equipped with a material picking motor (804) for driving the rotating rod (803) to rotate, one end of the rotating rod (803) is fixed to a support plate (805), and the material picking plate (801) is fixed to one end of the support plate (805).

6. A three-roll grinding device according to claim 5, characterized in that: The material taking structure (8) and the fineness detection structure (7) are both provided with a plurality of groups, and the plurality of material taking plates (801) are arranged in a linear manner.

7. A three-roll grinding device according to claim 6, characterized in that: The driving structure (5) comprises a second electric slide (501) and a movable frame (502), wherein the second electric slide (501) is mounted at two ends of the top of the three-roller grinding machine body (1), and the two ends of the movable frame (502) are respectively fixedly connected to the slides of the two second electric slides (501).

8. A three-roll grinding device according to claim 7, characterized in that: The driving structure (5) further comprises a rotating plate (503), the top end of which is rotatably connected to the bottom of the moving frame (502), a rotating motor (504) being fixed to one side of the moving frame (502), the output end of which is fixedly connected to the rotating shaft of the rotating plate (503), and the scraper body (702) being fixed to the bottom end of the rotating plate (503).

9. A three-roll grinding device according to claim 8, characterized in that: The scraper body (702) and the material taking plate (801) are both configured as soft rubber plates, and the scraper body (702) and the rotating plate (503) are configured to be orthogonal.

10. A three-roll grinding device according to claim 1, characterized in that: A discharge plate (9) is arranged below the discharge port (3) to facilitate the discharge of ink. One end of the discharge plate (9) is fixedly connected to the three-roller grinding machine body (1). The discharge plate (9) is arranged at an angle.

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