Variable-frequency grinding machine for water-based pigment color paste

Abstract

The utility model discloses a water-based pigment color paste frequency conversion grinding machine which comprises a grinding box body, an inclined sieve plate is fixedly installed in the grinding box body, two smashing rollers on the same level are rotatably connected in the grinding box body, one end of the bottom of the sieve plate is located between the two smashing rollers, and the other end of the sieve plate is located between the two smashing rollers. A protective cover is fixedly installed outside the grinding box body, a transmission device matched with the two smashing rollers is installed in the protective cover, a feeding hopper is fixedly connected to the top of the grinding box body, the opening end of the feeding hopper is located on one side of the top of the screening plate, and a grinding assembly is installed in the grinding box body. The grinding assembly is located at the bottommost position of the grinding box body. Through the arrangement of the feed hopper, the sieve plate, the crushing roller and the protective cover, large-particle raw materials can be treated in time after larger particles in the raw materials are removed, so that the reprocessing procedure can be omitted, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of pigment production, in particular to a water-based pigment paste frequency conversion grinding machine. Background Art

[0002] Water-based pigment paste grinding machines are widely used in a variety of industries, including coatings, inks, papermaking, plastics, and textile printing and dyeing. In the coatings industry, they are used to produce various water-based paint pastes to meet the coating needs of the construction, automotive, and home appliance industries. In the ink industry, they are used to prepare water-based ink pastes suitable for processes such as inkjet printing and flexographic printing. In the papermaking industry, water-based pigment pastes are used for coloring and decoration of paper.

[0003] After searching, the utility model with Chinese patent publication number CN218742354U discloses a grinder for mineral pigment paste, including a grinding machine case, a telescopic bracket and a feeding port. The feeding port is provided on the top of the grinding machine case, and a large-particle raw material discharge port is provided on the side of the feeding port. A large-particle pigment powder discharge port is provided on the side of the outer wall of the grinding machine case away from the large-particle raw material discharge port.

[0004] The above device intercepts large-particle raw materials through the raw material screening net and the large-particle raw material discharge port. These screened raw materials need to be crushed again, which increases the labor workload. Moreover, due to the small quantity, processing is also inconvenient. Utility Model Content

[0005] The purpose of the utility model is to provide a water-based pigment paste frequency conversion grinding machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: the water-based pigment paste frequency conversion grinding machine described in the present invention includes a grinding box, a tilted sieve plate is fixedly installed inside the grinding box, two crushing rollers at the same level are rotatably connected inside the grinding box, one end of the bottom of the sieve plate is located in the middle of the two crushing rollers, a protective cover is fixedly installed outside the grinding box, a transmission device adapted to the two crushing rollers is installed inside the protective cover, a feed hopper is fixedly connected to the top of the grinding box, and the open end of the feed hopper is located on one side of the top of the sieve plate.

[0007] The utility model can timely process the large particles of raw materials after removing them, thus eliminating the need for reprocessing and being more convenient to use. Under the guidance of the feed hopper, the small particles of raw materials will only fall to the top of the sieve plate and then slide along its slope. The small particles of raw materials will pass through the mesh holes, and the remaining raw materials will eventually fall between the two crushing rollers. At the same time, the driving device inside the protective cover is started, and the two crushing rollers can crush the large particles of raw materials before they fall. This reciprocating process can ensure that the raw material particles are relatively uniform, which is convenient for subsequent work.

[0008] As a further preferred embodiment of the present invention, a grinding assembly is installed inside the grinding box, and the grinding assembly is located at the bottom of the grinding box.

[0009] As a further preferred embodiment of the present technical solution, the grinding assembly includes a grinding groove rotatably connected inside a grinding box, an electric telescopic rod is fixedly installed on one side of the inner wall of the bottom of the grinding box, a protective frame is fixedly connected to the outer wall of the top of the electric telescopic rod, a variable frequency motor is installed inside the protective frame, a grinding pestle is rotatably connected to one end of the bottom of the protective frame, and the rotating shaft of the grinding pestle and the transmission shaft of the variable frequency motor are coaxially fixed.

[0010] As a further preferred embodiment of the present technical solution, two cleaning assemblies are installed on the outside of the protective frame, and the two cleaning assemblies are respectively located on both sides of the grinding box.

[0011] As a further preferred embodiment of the present technical solution, the cleaning assembly includes a mounting rod rotatably connected to the bottom of the inner wall of one side of the grinding box body, a cleaning roller is rotatably connected to one end of the bottom of the mounting rod, and an electric motor adapted to the cleaning roller is installed on the outside of the mounting rod, a gear ring is fixedly provided on the outside of the mounting rod rotating shaft, a rack is fixedly connected to the outer wall of one side of the protective frame, the rack is meshed with the gear ring, and the two cleaning rollers can respectively fit with the inner wall of the grinding groove and the outer wall of the grinding pestle.

[0012] As a further preferred embodiment of the present technical solution, a material guide trough is coaxially fixed to the outer wall of the bottom of the grinding trough, a motor 1 is fixedly installed on the outer wall of the bottom of the grinding box, and an output end of the motor 1 is coaxially fixed to the material guide trough.

[0013] The rack fixed on the outside of the protective frame will move synchronously, and the rack drives the gear ring to rotate through meshing, and the gear ring drives the mounting rod to rotate. The cleaning roller installed at one end of the mounting rod will gradually flip from a high position to a low position, thereby contacting the grinding trough and grinding pestle respectively, and then driving the frequency conversion motor and motor 1 inside the protective frame to rotate, and at the same time starting the drive motor adapted to the cleaning roller. The pigment outside the grinding trough and grinding pestle will be cleaned to prevent the residual pigment from affecting the purity of other pigments.

[0014] As a further preferred embodiment of the present technical solution, a material guide frame is fixedly connected to the middle of the grinding box body, and two material discharge ports are provided at the bottom of the material guide frame, and the two material discharge ports are respectively located on both sides of the grinding pestle.

[0015] The utility model provides a water-based pigment paste frequency conversion grinding machine, which has the following beneficial effects:

[0016] (1) The present invention is provided with a feed hopper, a screen plate, a crushing roller, a protective cover and a grinding assembly. After the larger particles in the raw materials are removed, these large particles of raw materials can be processed in time, thereby eliminating the need for reprocessing and making it more convenient to use. Under the guidance of the feed hopper, the raw materials will only fall to the top of the screen plate and then slide along its slope. The small particles of raw materials will pass through the mesh, and the rest of the raw materials will eventually fall between the two crushing rollers. At the same time, the driving device inside the protective cover is started, and the two crushing rollers can crush the large particles of raw materials before they fall. By doing this reciprocating, the raw material particles can be ensured to be relatively uniform, which is convenient for subsequent work.

[0017] (2) The utility model sets a cleaning component, and the rack fixed on the outside of the protective frame will move synchronously. The rack drives the gear ring to rotate through engagement, and the gear ring drives the mounting rod to rotate. The cleaning roller installed at one end of the mounting rod will gradually flip from a high position to a low position, thereby contacting the grinding trough and the grinding pestle respectively, and then driving the frequency conversion motor and motor 1 inside the protective frame to rotate, and at the same time starting the drive motor adapted to the cleaning roller. The pigment outside the grinding trough and the grinding pestle will be cleaned, so as to prevent the residual pigment from affecting the purity of other pigments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a partially enlarged first-view structural diagram of the present invention;

[0020] Figure 3 This is a partially enlarged second viewing angle structural diagram of the present invention;

[0021] Figure 4 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0022] Figure: 1, grinding box; 2, sieve plate; 3, feed hopper; 4, crushing roller; 5, protective cover; 6, guide frame; 7, grinding assembly; 8, cleaning assembly; 701, grinding trough; 702, electric telescopic rod; 703, protective frame; 704, grinding pestle; 801, mounting rod; 802, cleaning roller; 804, gear ring; 805, rack; 806, guide trough; 807, motor DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] The utility model provides a technical solution: Figure 1 As shown, in this embodiment, the water-based pigment paste frequency conversion grinding machine includes a grinding box 1, a tilted sieve plate 2 is fixedly installed inside the grinding box 1, two crushing rollers 4 at the same level are rotatably connected inside the grinding box 1, one end of the bottom of the sieve plate 2 is located in the middle of the two crushing rollers 4, a protective cover 5 is fixedly installed outside the grinding box 1, and a transmission device compatible with the two crushing rollers 4 is installed inside the protective cover 5, and a feed hopper 3 is fixedly connected to the top of the grinding box 1, and the open end of the feed hopper 3 is located on one side of the top of the sieve plate 2.

[0025] Under the guidance of the feed hopper 3, it will only fall to the top of the screen plate 2, and then slide along its slope. The small-particle raw materials will pass through the mesh, and the remaining raw materials will eventually fall between the two crushing rollers 4. At the same time, the driving device inside the protective cover 5 is started, and the two crushing rollers 4 can crush the large-particle raw materials, and then they will fall. This reciprocating process can ensure that the raw material particles are relatively uniform, which is convenient for subsequent work.

[0026] like Figure 2 and Figure 3 As shown, a grinding assembly 7 is installed inside the grinding box 1, and the grinding assembly 7 is located at the bottom of the grinding box 1.

[0027] The grinding assembly 7 includes a grinding groove 701 rotatably connected to the inside of the grinding box 1, an electric telescopic rod 702 is fixedly installed on one side of the inner wall of the bottom of the grinding box 1, a protective frame 703 is fixedly connected to the outer wall of the top of the electric telescopic rod 702, a frequency conversion motor is installed inside the protective frame 703, and a grinding pestle 704 is rotatably connected to one end of the bottom of the protective frame 703, and the rotating shaft of the grinding pestle 704 and the transmission shaft of the frequency conversion motor are coaxially fixed.

[0028] Start the variable frequency motor inside the protective frame 703, and the variable frequency motor will drive the grinding pestle 704 to rotate at an appropriate speed, thereby starting the grinding work. Qualified pigments will pass through the through hole of the grinding tank 701 and fall into the guide tank 806.

[0029] like Figure 3 and Figure 4 As shown, two cleaning assemblies 8 are installed on the outside of the protective frame 703, and the two cleaning assemblies 8 are respectively located on both sides of the grinding box 1.

[0030] The cleaning assembly 8 includes a mounting rod 801 rotatably connected to the bottom of the inner wall of one side of the grinding box 1, a cleaning roller 802 is rotatably connected to one end of the bottom of the mounting rod 801, and a motor adapted to the cleaning roller 802 is installed on the outside of the mounting rod 801, a gear ring 804 is fixedly sleeved on the outside of the rotating shaft of the mounting rod 801, a rack 805 is fixedly connected to the outer wall of one side of the protective frame 703, the rack 805 is meshed with the gear ring 804, and the two cleaning rollers 802 can respectively fit with the inner wall of the grinding groove 701 and the outer wall of the grinding pestle 704.

[0031] A material guide trough 806 is coaxially fixed to the outer wall of the bottom of the grinding trough 701 , and a motor 807 is fixedly installed on the outer wall of the bottom of the grinding box 1 , and the output end of the motor 807 is coaxially fixed to the material guide trough 806 .

[0032] After the work is completed, the protective frame 703 and the grinding pestle 704 are driven to move upward by controlling the electric telescopic rod 702. At this time, the distance between them and the grinding trough 701 will also increase, and the rack 805 fixed on the outside of the protective frame 703 will move synchronously. The rack 805 drives the gear ring 804 to rotate through engagement, and the gear ring 804 drives the mounting rod 801 to rotate. The cleaning roller 802 installed at one end of the mounting rod 801 will gradually flip from a high position to a low position, thereby contacting the grinding trough 701 and the grinding pestle 704 respectively, and then drive the frequency conversion motor and motor 1 807 inside the protective frame 703 to rotate, and at the same time start the drive motor adapted to the cleaning roller 802. The pigment outside the grinding trough 701 and the grinding pestle 704 will be cleaned to prevent the residual pigment from affecting the purity of other pigments.

[0033] like Figure 1 As shown, a material guide frame 6 is fixedly connected to the middle of the grinding box 1, and two discharge ports are provided at the bottom of the material guide frame 6, and the two discharge ports are respectively located on both sides of the grinding pestle 704 to prevent the raw materials from falling to the top of the grinding pestle 704 and causing retention.

[0034] This utility model provides a water-based pigment paste frequency conversion grinding machine, the specific working principle is as follows:

[0035] When the device is working, the raw materials are put into the feed hopper 3. Under the guidance of the feed hopper 3, they will only fall to the top position of the screen plate 2, and then slide along its slope. Small particles of raw materials will pass through the mesh, and the rest of the raw materials will eventually fall between the two crushing rollers 4. At the same time, the driving device inside the protective cover 5 is started, and the two crushing rollers 4 can crush the large particles of raw materials before they fall. This reciprocating movement can ensure that the raw material particles are relatively uniform, which is convenient for subsequent work. The raw materials fall into the grinding tank 701, and the frequency conversion motor inside the protective frame 703 is started at the same time. The frequency conversion motor will drive the grinding pestle 704 to rotate at an appropriate speed, thereby starting the grinding work. Qualified pigments will pass through the through hole of the grinding tank 701 and fall into the guide trough 806, and then flow to the outside world, completing the work. After the operation, the protective frame 703 and the grinding pestle 704 are driven to move upward by controlling the electric telescopic rod 702. At this time, the distance between them and the grinding tank 701 will also increase, and the rack 805 fixed on the outside of the protective frame 703 will move synchronously. The rack 805 drives the gear ring 804 to rotate through engagement, and the gear ring 804 drives the mounting rod 801 to rotate. The cleaning roller 802 installed at one end of the mounting rod 801 will gradually flip from a high position to a low position, thereby contacting the grinding tank 701 and the grinding pestle 704 respectively, and then drive the frequency conversion motor and motor 1 807 inside the protective frame 703 to rotate, and at the same time start the drive motor adapted to the cleaning roller 802. The pigment outside the grinding tank 701 and the grinding pestle 704 will be cleaned to prevent the residual pigment from affecting the purity of other pigments.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water-based pigment paste variable frequency grinding machine, comprising a grinding box (1), characterized in that: A tilted sieve plate (2) is fixedly installed inside the grinding box (1); two grinding rollers (4) at the same level are rotatably connected inside the grinding box (1); one end of the bottom of the sieve plate (2) is located in the middle of the two grinding rollers (4); a protective cover (5) is fixedly installed outside the grinding box (1); a transmission device adapted to the two grinding rollers (4) is installed inside the protective cover (5); a feed hopper (3) is fixedly connected to the top of the grinding box (1); the open end of the feed hopper (3) is located on one side of the top of the sieve plate (2); and a grinding assembly (7) is installed inside the grinding box (1).

2. The water-based pigment paste frequency conversion grinding machine according to claim 1, characterized in that: The grinding assembly (7) is located at the bottom of the grinding box (1).

3. The water-based pigment paste frequency conversion grinding machine according to claim 1, characterized in that: The grinding assembly (7) comprises a grinding trough (701) rotatably connected to the interior of a grinding box (1); an electric telescopic rod (702) is fixedly mounted on one side of the inner wall at the bottom of the grinding box (1); a protective frame (703) is fixedly connected to the outer wall at the top of the electric telescopic rod (702); a variable frequency motor is mounted inside the protective frame (703); a grinding pestle (704) is rotatably connected to one end of the bottom of the protective frame (703); and a rotating shaft of the grinding pestle (704) and a transmission shaft of the variable frequency motor are coaxially fixed.

4. The water-based pigment paste frequency conversion grinding machine according to claim 3, characterized in that: Two cleaning assemblies (8) are installed outside the protective frame (703), and the two cleaning assemblies (8) are respectively located on both sides of the grinding box (1).

5. The water-based pigment paste frequency conversion grinding machine according to claim 4, characterized in that: The cleaning assembly (8) comprises a mounting rod (801) rotatably connected to the bottom of the inner wall of one side of the grinding box (1); a cleaning roller (802) is rotatably connected to one end of the bottom of the mounting rod (801); and a motor adapted to the cleaning roller (802) is mounted on the outside of the mounting rod (801); a gear ring (804) is fixedly sleeved on the outside of the rotating shaft of the mounting rod (801); a rack (805) is fixedly connected to the outer wall of one side of the protective frame (703); the rack (805) is meshed with the gear ring (804); and the two cleaning rollers (802) can respectively fit with the inner wall of the grinding groove (701) and the outer wall of the grinding pestle (704).

6. The water-based pigment paste frequency conversion grinding machine according to claim 5, characterized in that: A material guide trough (806) is coaxially fixed to the outer wall of the bottom of the grinding trough (701), and a motor 1 (807) is fixedly installed on the outer wall of the bottom of the grinding box (1), and the output end of the motor 1 (807) is coaxially fixed to the material guide trough (806).

7. The water-based pigment paste frequency conversion grinding machine according to claim 1, characterized in that: A material guide frame (6) is fixedly connected to the middle of the grinding box (1), and two discharge ports are provided at the bottom of the material guide frame (6), and the two discharge ports are respectively located on both sides of the grinding pestle (704).

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