Ultralow-temperature curing powder grinding equipment for woodware spraying
By introducing crushing and grinding mechanisms into the grinding equipment, multiple grinding of coating raw materials is achieved, solving the problem of insufficient grinding of ultra-low temperature curing powder coatings and improving grinding efficiency and finished product quality.
Patent Information
- Application Number
- CN202422903728.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Traditional grinding equipment suffers from insufficient grinding in the production of ultra-low temperature curing powder coatings, resulting in low quality of the ground products and affecting work efficiency.
A grinding device including a crushing mechanism and a driving mechanism was designed. By using a combination of crushing rollers and grinding rollers, multiple grinding processes are achieved on the coating raw materials, including crushing and preliminary grinding, followed by secondary grinding, until the desired particle size is achieved.
It improved the grinding efficiency of coating raw materials, ensured the high-quality production of ultra-low temperature curing powder coatings, and improved work efficiency.
Smart Images
Figure CN223818805U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of super-low temperature solidification powder grinding equipment for wood spraying. BACKGROUND
[0002] The paint used on wood products is collectively referred to as wood paint, which includes paint selected for furniture, doors and windows, wainscoting, flooring, daily necessities, wooden musical instruments, sports goods, stationery, children's toys, etc. Generally speaking, wood paint is mainly furniture paint.
[0003] Although the powder paint used for wood spraying has the advantages of economy, environmental protection, high efficiency and excellent performance, its weaknesses are also obvious. For example, the curing conditions are relatively harsh, with a curing temperature of 150-180°C. How to achieve low-temperature curing of powder paint has become one of the development directions in the powder paint industry. Therefore, super-low temperature solidification powder paint has emerged as the times require. Super-low temperature solidification powder paint has the characteristics of low curing temperature and energy saving, but when producing and grinding, the traditional grinding equipment is mostly single grinding, which has the problem of insufficient grinding. The quality of the ground product is low, and multiple grinding is required to obtain grinding material that meets the grinding requirements, thereby affecting the grinding efficiency of the paint. SUMMARY
[0004] The purpose of the present utility model is to provide a super-low temperature solidification powder grinding equipment for wood spraying to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions:
[0006] A super-low temperature solidification powder grinding equipment for wood spraying, comprising a grinding box, a crushing mechanism and a driving mechanism arranged inside the grinding box. A partition plate is installed inside the grinding box, which divides the internal space of the grinding box into an upper cavity and a lower cavity. The crushing mechanism is installed inside the upper cavity and comprises a crushing roller with first crushing teeth and second crushing teeth arranged in the inner wall of the upper cavity. The driving mechanism is installed inside the lower cavity and comprises a grinding mechanism and a driving gear that drives the movement of the grinding mechanism. The driving gear is coaxially arranged with the crushing roller.
[0007] As a further solution of the present utility model, a feeding port is provided at the top of the grinding box, which is in communication with the inside of the upper cavity. The feeding port is used to add paint raw materials to be crushed into the upper cavity. A discharge port is provided at the lower part of the grinding box, which is in communication with the lower cavity.
[0008] As a further scheme of the present utility model: the first rotation shaft is rotatably installed in the upper cavity, the top of the grinding box is fixedly installed with a driving motor, and the output end of the driving motor is connected with the first rotation shaft.
[0009] As a further scheme of the present utility model: the bottom of the crushing roller is installed with a first grinding roller, the partition plate is installed with a grinding table matched with the first grinding roller, and a discharging port is further arranged at the middle position of the partition plate.
[0010] As a further scheme of the present utility model: the driving mechanism further comprises a driving gear and a rack, the driving gear is fixedly connected with the first grinding roller through a second rotation shaft, the driving gear is located below the discharging port, and a plurality of through holes are formed in the driving gear.
[0011] As a further scheme of the present utility model: the driving gear is a sector gear structure, two arc-shaped tooth segments are symmetrically arranged at the two sides of the driving gear, two racks are arranged, the two racks are symmetrically arranged at the front and rear sides of the driving gear, the racks are engaged with the arc-shaped tooth segments on the same side, the racks are slidingly installed at the bottom of the partition plate, and the racks and the inner wall of the grinding box are connected through spring rods.
[0012] As a further scheme of the present utility model: the grinding mechanism comprises a second grinding roller and a screen installed in the lower cavity, and the screen is located below the second grinding roller; the second grinding roller is rotatably installed on a rack, the rack is connected with the racks through at least one elastic connecting piece, and the rack is provided with a rotating motor for driving the second grinding roller to rotate.
[0013] Compared with the prior art, the present utility model has the beneficial effects that: the present utility model is provided with a crushing mechanism and a driving mechanism in the grinding box, the crushing mechanism comprises a crushing roller provided with first crushing teeth and second crushing teeth arranged in the inner wall of the upper cavity, the driving mechanism comprises a grinding mechanism and a driving gear for driving the grinding mechanism to move, in the process of grinding the coating raw material, the coating raw material is first crushed and preliminarily ground by the crushing mechanism, and then the coating raw material is secondarily ground by the grinding mechanism, so that the coating raw material is rapidly formed into a grinding material with a required particle size, and the grinding efficiency of the coating raw material is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the ultra-low temperature curing powder grinding equipment for wood spraying.
[0015] Figure 2 It is a sectional view of the ultra-low temperature curing powder grinding equipment for wood spraying. Figure 1 .
[0016] Figure 3 Cross section of the ultra-low temperature curing powder grinding device for wood spraying Figure 2 .
[0017] Figure 4 Structure diagram of the driving gear in the ultra-low temperature curing powder grinding device for wood spraying.
[0018] Figure 5 Structure diagram of the rack in the ultra-low temperature curing powder grinding device for wood spraying.
[0019] In the figure: 10-grinding box, 11-feed inlet, 12-driving motor, 13-discharge outlet, 14-collection box, 15-upper cavity, 16-lower cavity, 20-separation plate, 30-pulverizing mechanism, 31-pulverizing roller, 32-first rotating shaft, 33-first pulverizing tooth, 34-second pulverizing tooth, 35-first grinding roller, 36-grinding table, 37-discharge port, 40-driving mechanism, 41-second rotating shaft, 42-driving gear, 43-second grinding roller, 44-rack, 441-spring rod, 45-rack, 451-elastic connecting piece, 452-rotary motor, 50-sieve. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] Please refer to Figures 1-5 In the embodiments of the present application, the ultra-low temperature curing powder grinding device for wood spraying comprises a grinding box 10, a pulverizing mechanism 30 and a driving mechanism 40 arranged inside the grinding box 10. The grinding box 10 is internally provided with a separation plate 20, which divides the internal space of the grinding box 10 into an upper cavity 15 and a lower cavity 16. The pulverizing mechanism 30 is arranged inside the upper cavity 15 and comprises a pulverizing roller 31 provided with first pulverizing teeth 33 and second pulverizing teeth 34 arranged in the inner wall of the upper cavity 15. The driving mechanism 40 is arranged inside the lower cavity 16 and comprises a grinding mechanism and a driving gear 42 for driving the grinding mechanism to move. The driving gear 42 is coaxially arranged with the pulverizing roller 31.
[0022] In the embodiment of the present application, the top of the grinding box 10 is provided with a feeding port 11 which communicates with the interior of the upper cavity 15, and the feeding port 11 is used to add the paint raw materials to be crushed into the interior of the upper cavity 15; the lower part of the grinding box 10 is provided with a discharging port 13 which communicates with the lower cavity 16.
[0023] In the embodiment of the present application, the crushing roller 31 is rotatably installed in the interior of the upper cavity 15 through a first rotating shaft 32, the top of the grinding box 10 is fixedly installed with a driving motor 12, the output end of the driving motor 12 is connected with the first rotating shaft 32, and the driving motor 12 is used to drive the first rotating shaft 32 and the crushing roller 31 to rotate; as shown in the figure, Figure 2 and Figure 3 As shown in the figure, the crushing roller 31 is provided with a plurality of first crushing teeth 33 on the circumferential side, the inner wall of the upper cavity 15 is provided with second crushing teeth 34 which cooperate with the first crushing teeth 33, the paint raw materials enter the interior of the upper cavity 15 from the feeding port 11 and fall between the first crushing teeth 33 and the second crushing teeth 34, and when the crushing roller 31 is in a rotating state, the first crushing teeth 33 and the second crushing teeth 34 crush the paint raw materials into small pieces of materials.
[0024] Further, in the embodiment of the present application, the bottom of the crushing roller 31 is installed with a first grinding roller 35, the partition plate 20 is installed with a grinding table 36 which cooperates with the first grinding roller 35, and the middle position of the partition plate 20 is further provided with a discharging port 37, after the small pieces of materials after crushing enter the gap between the grinding table 36 and the first grinding roller 35, the first grinding roller 35 and the grinding table 36 cooperate to grind the small pieces of materials into primary powder materials, and the primary powder materials are discharged from the discharging port 37.
[0025] In the embodiment of the present application, the driving mechanism 40 further includes a driving gear 42 and a rack 44, the driving gear 42 is fixedly connected with the first grinding roller 35 through a second rotating shaft 41, the driving gear 42 is located below the discharging port 37, and the driving gear 42 is provided with a plurality of through holes, and the primary powder materials enter the interior of the lower cavity 16 after passing through the discharging port 37 and the through holes; as shown in the figure, Figure 4 The driving gear 42 is a sector gear structure, two arc-shaped tooth segments are symmetrically arranged on the two sides of the driving gear 42, the rack 44 is provided with two roots, the two roots of the rack 44 are symmetrically arranged on the front and rear sides of the driving gear 42, and the rack 44 is engaged with the arc-shaped tooth segment on the same side, the rack 44 is slidingly installed on the bottom of the partition plate 20, and the rack 44 and the inner wall of the grinding box 10 are connected through a spring rod 441, when the driving gear 42 is in a rotating state, the arc-shaped tooth segments are intermittently contacted and engaged with the rack 44, under the cooperation of the spring rod 441, the rack 44 slides left and right on the bottom of the partition plate 20;
[0026] Further, in the embodiment of the present application, the grinding mechanism comprises a second grinding roller 43 and a screen 50 installed inside the lower cavity 16, the screen 50 is located below the second grinding roller 43; the second grinding roller 43 is rotatably installed on a frame 45, the frame 45 is connected with the rack 44 through at least one elastic connecting piece 451, the frame 45 is provided with a rotating motor 452 for driving the second grinding roller 43 to rotate, the rack 44 drives the frame 45 and the second grinding roller 43 to slide left and right through the elastic connecting piece 451 when sliding left and right at the bottom of the partition plate 20, the second grinding roller 43 cooperates with the surface of the screen 50 to further grind the primary powder, so that the primary powder is formed into grinding material meeting the grinding requirement.
[0027] In addition, in the embodiment of the present application, the bottom of the lower cavity 16 is further provided with a collection box 14, the collection box 14 is used for receiving the grinding material, and the collection box 14 can be taken out from the discharge port 13.
[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by those skilled in the art.
Claims
1. A low-temperature curing powder grinding device for wood coating, characterized in that, The device includes a grinding box (10), a crushing mechanism (30) disposed inside the grinding box (10), and a driving mechanism (40). A partition plate (20) is installed inside the grinding box (10), which divides the internal space of the grinding box (10) into an upper cavity (15) and a lower cavity (16). The crushing mechanism (30) is installed inside the upper cavity (15). The crushing mechanism (30) includes a crushing roller (31) with a first crushing tooth (33) and a second crushing tooth (34) disposed in the inner wall of the upper cavity (15). The driving mechanism (40) is installed inside the lower cavity (16). The driving mechanism (40) includes a grinding mechanism and a driving gear (42) that drives the grinding mechanism to move. The driving gear (42) is coaxially arranged with the crushing roller (31).
2. The ultra-low temperature curing powder grinding equipment for wood coating according to claim 1, characterized in that, The grinding box (10) has a feed inlet (11) at the top, which is connected to the interior of the upper cavity (15). The feed inlet (11) is used to add the coating raw material to be crushed into the upper cavity (15). The grinding box (10) has a discharge outlet (13) at the bottom, which is connected to the lower cavity (16).
3. The ultra-low temperature curing powder grinding equipment for wood coating according to claim 1, characterized in that, The crushing roller (31) is rotatably mounted inside the upper cavity (15) via the first rotating shaft (32). A drive motor (12) is fixedly mounted on the top of the grinding box (10), and the output end of the drive motor (12) is connected to the first rotating shaft (32). A plurality of first crushing teeth (33) are mounted on the periphery of the crushing roller (31), and a second crushing tooth (34) that cooperates with the first crushing tooth (33) is provided on the inner wall of the upper cavity (15).
4. The ultra-low temperature curing powder grinding equipment for wood coating according to claim 3, characterized in that, The bottom of the crushing roller (31) is equipped with a first grinding roller (35), and the partition plate (20) is equipped with a grinding table (36) that cooperates with the first grinding roller (35). The middle position of the partition plate (20) is also provided with a discharge port (37).
5. The ultra-low temperature curing powder grinding equipment for wood coating according to claim 4, characterized in that, The drive mechanism (40) further includes a drive gear (42) and a rack (44). The drive gear (42) is fixedly connected to the first grinding roller (35) through a second rotating shaft (41). The drive gear (42) is located below the feed port (37), and several through holes are provided on the drive gear (42).
6. The ultra-low temperature curing powder grinding equipment for wood coating according to claim 5, characterized in that, The drive gear (42) is a sector gear structure. Two arc-shaped tooth segments are symmetrically arranged on both sides of the drive gear (42). Two racks (44) are provided. The two racks (44) are symmetrically arranged on the front and rear sides of the drive gear (42). The racks (44) mesh with the arc-shaped tooth segments on the same side. The racks (44) are slidably installed at the bottom of the partition plate (20). The racks (44) are connected to the inner wall of the grinding box (10) by a spring rod (441).
7. The ultra-low temperature curing powder grinding equipment for wood spraying according to claim 6, characterized in that, The grinding mechanism includes a second grinding roller (43) and a screen (50) installed inside the lower cavity (16), the screen (50) being located below the second grinding roller (43); the second grinding roller (43) is rotatably mounted on a frame (45), the frame (45) being connected to the rack (44) via at least one elastic connector (451), and the frame (45) being provided with a rotary motor (452) for driving the second grinding roller (43) to rotate.