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CN-122009832-A - Raw material conveying device for paint production

CN122009832ACN 122009832 ACN122009832 ACN 122009832ACN-122009832-A

Abstract

The invention relates to the technical field of conveying devices, and discloses a raw material conveying device for paint production, which comprises a fan, a first air pipe, a second air pipe, a spiral conveying pipe and a buffer tank, wherein a turbulence assembly is arranged in the buffer tank and comprises a flow distribution cylinder, a conical disc is rotatably arranged in the buffer tank, the turbulence assembly further comprises a flow guide mechanism, and a stirring assembly is arranged in the buffer tank. Through the setting of vortex subassembly for the toper dish is through the cooperation with a reposition of redundant personnel section of thick bamboo, has realized the intermittent type pulse jet effect of air current, makes raw materials and the air that gets into the buffer tank distribute to two cavities earlier in and carry out buffering pressure boost, then divide into two air current pulse type blowout, makes two air current carry the raw materials collide and mix, resumes the degree of consistency of raw materials, thereby effectively solves the raw materials layering phenomenon that appears in long distance transport.

Inventors

  • YANG HUI
  • HAN JINZHONG

Assignees

  • 贵州大学
  • 贵州美工组科技有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (8)

  1. 1. The raw material conveying device for paint production is characterized by comprising a fan (1), a first air pipe (2), a second air pipe (3), a spiral conveying pipe (4) and a buffer tank (5), wherein the buffer tank (5) is positioned between the first air pipe (2) and the second air pipe (3), and two ends of the buffer tank (5) are arranged in a variable diameter mode; The novel air conditioner is characterized in that a turbulence assembly (6) is arranged in the buffer tank (5), the turbulence assembly (6) comprises a flow distribution cylinder (61), the flow distribution cylinder (61) is fixedly connected to the inner wall of the buffer tank (5), two first through holes are formed in one end, far away from the first air pipe (2), of the flow distribution cylinder (61), a conical disc (64) is rotatably arranged in the buffer tank (5), four second through holes are formed in the conical disc (64), a driving part for driving the conical disc (64) to rotate is arranged on the buffer tank (5), the second through holes can coincide with the first through holes when the conical disc (64) rotates, two partition plates (62) are fixedly connected to the inner wall of the flow distribution cylinder (61), and a central cylinder (63) is fixedly connected between the two partition plates (62); The flow-disturbing assembly (6) further comprises a flow-guiding mechanism (7) for uniformly guiding raw materials entering the buffer tank (5) into the flow-distributing cylinder (61), the flow-guiding mechanism (7) comprises a rotating shaft (72), a mounting shaft (76) and a flow-guiding cone (77), a connecting frame (71) is fixedly connected to the inner side of the conical disc (64), the rotating shaft (72) penetrates through and is fixedly connected to the center of the connecting frame (71), the mounting shaft (76) penetrates through and is rotatably mounted at one end, far away from the connecting frame (71), of the central cylinder (63), the flow-guiding cone (77) is fixedly connected to one end, far away from the central cylinder (63), of the mounting shaft (76), the outer wall of the flow-guiding cone (77) is provided with a plurality of flow-guiding sheets, the flow-guiding cone (77) is positioned between the connecting position of the buffer tank (5) and the first air pipe (2) and the flow-distributing cylinder (61), one end inner wall, far away from the connecting frame (71), of the central cylinder (63) is rotatably connected with a gear ring (73) and three planetary gears (74), the three inner side gears (74) are meshed with the gear ring (73) and the sun gear (73), one end, far away from the sun gear (73) is fixedly connected with the gear (72), the sun gear (75) meshes with three planetary gears (74).
  2. 2. The raw material conveying device for paint production according to claim 1, wherein the fan (1) is connected with the first air pipe (2), two ends of the spiral conveying pipe (4) are respectively connected with the upstream storage tank and the first air pipe (2), and one end of the second air pipe (3) far away from the buffer tank (5) is connected with downstream process equipment.
  3. 3. A raw material transporting apparatus for paint production according to claim 2, wherein two of said partition plates (62) and said center cylinder (63) divide the split cylinder (61) into upper and lower two chambers, and two first through holes of said split cylinder (61) are respectively located in the two chambers.
  4. 4. The raw material conveying device for paint production according to claim 3, wherein the driving part comprises a toothed ring (65), a motor (66) and a driving gear (67), the motor (66) is fixedly arranged on the outer wall of the buffer tank (5), the driving gear (67) is fixedly connected to the output end of the motor (66), a circular groove is formed in the rotary connection position of the conical disc (64) and the buffer tank (5), the toothed ring (65) is fixedly connected to the circular groove of the conical disc (64), a square groove is formed in the area, located at the top of the toothed ring (65), of the buffer tank (5), and the driving gear (67) is located in the square groove and meshed with the toothed ring (65).
  5. 5. The raw material conveying device for paint production according to claim 1, wherein the central cylinder (63) is provided with a vibrating mechanism (8), the vibrating mechanism (8) comprises four vibrating rods (82), the four vibrating rods (82) are fixedly installed on the central cylinder (63) in a penetrating mode, the outer wall of the rotating shaft (72) is fixedly connected with a plurality of elastic sheets (81) in a circumferential array mode, one end of the vibrating rod (82) located in the central cylinder (63) is located on a movement track of the elastic sheets (81), a rod body of the vibrating rod (82) located outside the central cylinder (63) is fixedly connected with a plurality of fins (83), and the elastic sheets (81) are contacted with the vibrating rod (82) to enable the vibrating rod (82) and the fins (83) to vibrate.
  6. 6. The raw material conveying device for paint production according to claim 1, wherein a stirring assembly (9) is arranged in the buffer tank (5) and used for stirring and mixing raw materials sprayed out of the second through holes, the stirring assembly (9) comprises a waveform ring (92), three sleeves (93) and three slide shafts (94), the inner wall of the buffer tank (5) is fixedly connected with a connecting arm (91), the waveform ring (92) is fixedly arranged on the connecting arm (91), the connecting frame (71) is provided with three supporting legs, the three sleeves (93) respectively penetrate through the three supporting legs of the connecting frame (71), the three slide shafts (94) respectively penetrate through the three sleeves (93) in a sliding mode, one ends of the slide shafts (94) are provided with stirring blades (97), the other ends of the slide shafts (94) are in contact with the waveform ring (92), the inner wall of the sleeve (93) is provided with an annular chute, the outer wall of the slide shaft (94) is fixedly arranged on the connecting arm (91), the three sleeves (93) respectively penetrate through the three supporting legs of the connecting frame (71), the three slide shafts (94) are respectively connected with the annular chute (95), and the sliding tongue (96) is connected with the spring seat (96).
  7. 7. A raw material transporting apparatus for paint production according to claim 6, wherein said wavy ring (92) is provided with a wavy annular surface, said slide shaft (94) is capable of reciprocating while sliding along the wavy annular surface, and said slide shaft (94) is capable of reciprocating by cooperation of an annular chute and a slide tongue (95) while reciprocating.
  8. 8. The raw material conveying device for paint production according to claim 6, wherein a stabilizer bar (78) is fixedly arranged on the inner wall of the buffer tank (5), one end, far away from the diversion cone (77), of the rotating shaft (72) is rotationally connected with the stabilizer bar (78), two straight scraping bars (98) and two arc scraping bars (99) are fixedly connected with the outer wall of the rotating shaft (72), the two straight scraping bars (98) are in contact with the inner wall of the buffer tank (5), and the two arc scraping bars (99) are in contact with the inner wall of the buffer tank (5) close to a reducing area of the second air pipe (3).

Description

Raw material conveying device for paint production Technical Field The invention relates to the technical field of conveying devices, in particular to a raw material conveying device for paint production. Background The paint raw materials comprise resin, pigment and filler, solvent and various functional auxiliary agents, the raw materials are various in forms and comprise powder, particles, liquid and the like, the raw materials are generally stored in a special storage tank in a centralized manner, and in order to meet the requirements of subsequent processing procedures such as mixing, grinding, dispersing and the like, the raw materials are stably conveyed from the storage tank to corresponding processing equipment through a specific conveying device, the existing raw material conveying device comprises various types such as spiral conveying, belt conveying, pneumatic conveying and the like, wherein the pneumatic conveying device is commonly applied to conveying of the paint powder raw materials, and the principle is that the raw materials synchronously move along with the air flow in a closed pipeline by taking the air flow generated by a fan as conveying power, so that the long-distance closed conveying of the raw materials is realized. However, in the prior art, the following problems exist: Because partial coating powder raw materials need to mix multiple raw materials in accurate ratio in advance, store again, therefore there is the likely quality difference between the raw materials granule, when the raw materials carries out long distance transportation through pneumatic means, the heavier raw materials granule of quality gradually is the trend of sinking in the air current passageway for the raw materials in the rear end pipeline easily forms light raw materials granule top, heavy raw materials granule's circulation trend in the below, and then the condition of raw materials layering forms, along with the increase of transfer time, heavy raw materials granule in the pipeline below can deposit gradually, and then result in partial heavy raw materials granule can remain in the pipeline and fail in time to discharge, make the raw materials ratio of pipeline export exhaust and the raw materials ratio that the pipeline import got into appear different, the degree of consistency of raw materials also declines to some extent, influence final product quality. Disclosure of Invention The present invention aims to solve the above problems and provide a raw material conveying device for paint production, which is intended to overcome the defects that the existing pneumatic conveying device is easy to cause heavy raw material particles to deposit in a conveying pipeline due to the mass difference of the raw material particles, so that the raw material ratio discharged from an outlet of the pipeline is different from the raw material ratio entering an inlet of the pipeline, and the uniformity of the raw material is also reduced, as described in detail below. In order to achieve the above purpose, the present invention provides the following technical solutions: The invention provides a raw material conveying device for paint production, which comprises a fan, a first air pipe, a second air pipe, a spiral conveying pipe and a buffer tank, wherein the buffer tank is arranged between the first air pipe and the second air pipe, two ends of the buffer tank are arranged in a variable diameter mode, a turbulence assembly is arranged in the buffer tank and comprises a flow distribution cylinder, the flow distribution cylinder is fixedly connected to the inner wall of the buffer tank, two first through holes are formed in one end, far away from the first air pipe, of the flow distribution cylinder, a conical disc is rotatably arranged in the buffer tank, four second through holes are formed in the conical disc, a driving part for driving the conical disc to rotate is arranged on the buffer tank, the second through holes can coincide with the first through holes when the conical disc rotates, the turbulence assembly further comprises a flow guide mechanism for uniformly guiding raw materials entering the buffer tank into the flow distribution cylinder, and a stirring assembly is arranged in the buffer tank and used for stirring and mixing raw materials sprayed out of the second through holes. Preferably, the fan is connected with the first air pipe, two ends of the spiral conveying pipe are respectively connected with the upstream storage tank and the first air pipe, and one end, far away from the buffer tank, of the second air pipe is connected with downstream process equipment. Preferably, the inner wall of the split flow cylinder is fixedly connected with two partition plates, a central cylinder is fixedly connected between the two partition plates, the two partition plates and the central cylinder divide the split flow cylinder into an upper chamber and a lower chamber, and the two first through holes of the spli