CN111546684A - Tablet press is used in powder coating processing - Google Patents
Tablet press is used in powder coating processing Download PDFInfo
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- CN111546684A CN111546684A CN202010663132.8A CN202010663132A CN111546684A CN 111546684 A CN111546684 A CN 111546684A CN 202010663132 A CN202010663132 A CN 202010663132A CN 111546684 A CN111546684 A CN 111546684A
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- 238000000576 coating method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 title claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 45
- 210000001624 hip Anatomy 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/222—Extrusion presses; Dies therefor using several circumferentially spaced rollers, e.g. skewed rollers
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Abstract
The invention relates to the technical field of powder coating processing, in particular to a tablet press for powder coating processing.A barrel is internally provided with two parallel compression rollers; the first guide sleeve and the first nut are fixed on the vertical plate; the first guide sleeve is matched with the first guide shaft; inner teeth are uniformly distributed on the inner side surface of the belt; the internal teeth are uniformly distributed along the length direction of the belt; the teeth on the two sides are respectively arranged on the two trapezoidal waists; an included angle between one end surface of the gear, which is far away from the press roller, and the side surface of the gear is a first inclined angle; the included angle between the outer end surface of the belt and the side surface of the belt is a second inclined angle. When the invention is used, the structure reduces the number of power equipment, reduces the failure rate, can realize continuous adjustment of the clearance without disassembling parts, and improves the convenience of roller clearance adjustment.
Description
Technical Field
The invention relates to the technical field of powder coating processing, in particular to a tablet press for powder coating processing.
Background
The powder coating is generally processed by mixing the raw materials, performing melt crosslinking processing on the raw materials through an extruder, extruding the molten materials into sheets by using a tabletting device, cooling, crushing, grinding and screening to obtain the finished powder coating. The tabletting device comprises two compression rollers which are horizontally arranged in a cylindrical shape, a gap is reserved between the compression rollers for materials to enter, but the gap is gradually increased along with the increase of the working time, so that the crushing effect is reduced, and the gap between the compression rollers of the existing tabletting machine can be adjusted; however, with the structure of the device capable of adjusting the distance between the rollers, after the distance between the rollers is increased or reduced, the gears on the two rollers can be re-meshed with the gears on the driving rollers for driving the gear sets by replacing the corresponding gear sets, and the method has the defects of high difficulty in adjustment, incapability of realizing continuous adjustment and need of adjusting according to the meshing condition of the gears; two driving motors are used for driving the two rollers respectively, although continuous adjustment can be realized through the convenience, the cost is high, asynchronous conditions easily occur in roller driving, and the quality of tabletting is influenced.
Disclosure of Invention
The invention aims to provide a tablet press for processing powder coatings, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention relates to a tablet press for processing powder coating, which comprises a vertical plate and a cylinder body fixed on the vertical plate; two parallel compression rollers are arranged inside the cylinder body; two shaft heads of the compression roller are respectively provided with a connecting plate; the connecting plate is rotationally connected with a shaft head of the compression roller; open grooves are formed in the left side and the right side of the cylinder body; guide rails are arranged on the upper side and the lower side of the open slot; the upper side and the lower side of the connecting plate are both provided with sliding blocks matched with the guide rails; the slide block at the upper end of the connecting plate is inserted into the guide rail at the upper side; the slide block at the lower end of the connecting plate is inserted into the guide rail at the lower side; the connecting plates are fixed with screw rod nuts; two bearing blocks are fixed on the cylinder body; a bidirectional screw rod is arranged between the two bearing blocks; one section of screw thread of the bidirectional screw rod is in threaded connection with one screw rod nut; the other section of the screw thread of the bidirectional screw rod is in threaded connection with the other screw rod nut;
the vertical plate is provided with a press roller driving mechanism for synchronous and reverse rotation of the two press rollers; the compression roller driving mechanism comprises a belt, a first guide sleeve, a first guide shaft, a first nut, a first screw, a driving gear, a driven gear, a fixed rod, an upper gear and a lower gear; the rotation center of the driving gear and the rotation center of the driven gear are both rotationally connected with the vertical plate; one end of the first guide shaft is fixedly connected with the fixed rod; the first guide sleeve and the first nut are fixed on the vertical plate; the first guide sleeve is matched with the first guide shaft; the first guide shaft penetrates through the first guide sleeve and is fixedly connected with the fixed rod; the first nut is matched with the first screw rod; the first screw is in threaded connection with the first nut; the first screw is rotationally connected with the fixed rod; the rotating center of the upper gear is rotationally connected with the fixed rod; a telescopic adjusting device is arranged on the fixed rod;
inner teeth are uniformly distributed on the inner side surface of the belt; the internal teeth are uniformly distributed along the length direction of the belt; the upper gear and the lower gear are arranged between the driving gear and the driven gear; the belt is sleeved among the driving gear, the driven gear, the upper gear and the lower gear; the driving gear, the driven gear, the upper gear and the lower gear are all meshed with the inner teeth of the belt;
a belt tensioning device for tensioning a belt is arranged on the vertical plate; the belt tensioning device comprises a second guide sleeve, a second guide shaft, a second screw, a second nut and a tensioning wheel; the shaft body of the second guide shaft is matched with the second guide sleeve; the external thread of the second screw is matched with the internal thread of the second nut; the external thread of the second screw is in threaded connection with the internal thread of the second nut; the second guide sleeve and the second nut are fixed on the vertical plate; the rotation center of the tension wheel is rotationally connected with one end of the second guide shaft; the second guide shaft penetrates through the second guide sleeve; a wedge-shaped surface is arranged at one end, far away from the tensioning wheel, of the second guide shaft; the bottom end of the second screw rod is arranged in a hemispherical shape; the bottom end of the second screw is tightly pressed on the wedge-shaped surface of the second guide shaft; the body of the tensioning wheel is tightly pressed on the outer end face of the tensioning belt; the left side and the right side of the belt are both provided with side teeth; the side teeth are uniformly arranged along the length direction of the belt; the shaft heads of the compression rollers are provided with gears; the radius of the gear is gradually reduced along with the end far away from the compression roller; the section of the belt is trapezoidal; the inner teeth are arranged at the top of the trapezoid; the teeth on the two sides are respectively arranged on the two trapezoidal waists; an included angle between one end face of the gear, far away from the press roller, and the side surface of the gear is a first inclined angle; an included angle between the end face of the outer side of the belt and the side surface of the belt is a second inclined angle; the first tilt angle is equal to the second tilt angle; one side tooth is meshed with one gear; the other side tooth is meshed with the other gear.
Furthermore, the end face of the outer side of the belt is provided with a steel belt which is connected end to end; the steel belt is wrapped on the outer end face of the belt.
Furthermore, the telescopic adjusting device comprises a straight rod, a U-shaped frame, a sliding rod and a third nut fixed on the vertical plate; the rod body of the straight rod is connected with the fixed rod in a sliding manner; the U-shaped frame is rotationally connected with the rotation center of the lower gear; one end of the sliding rod is fixed on the U-shaped frame; the rod body of the sliding rod is connected with the fixed rod in a sliding way; the tail end of the sliding rod is provided with a positioning column which extends downwards; the rod body of the straight rod is provided with an external thread matched with the third nut; the external thread is meshed with a third nut; a spiral groove is formed in the rod body of the straight rod; the spiral groove is in a spiral rising shape on the rod body of the straight rod; the diameter of the positioning column is equal to the width of the spiral groove; the positioning column is inserted into the spiral groove.
After adopting the structure, the invention has the beneficial effects that: the tablet press for processing the powder coating is characterized in that two parallel press rollers are arranged inside a cylinder body; two shaft heads of the compression roller are respectively provided with a connecting plate; the connecting plate is rotationally connected with a shaft head of the compression roller; open slots are formed in the left side and the right side of the cylinder body; guide rails are arranged on the upper side and the lower side of the open slot; the upper side and the lower side of the connecting plate are both provided with sliding blocks matched with the guide rails; the slide block at the upper end of the connecting plate is inserted into the guide rail at the upper side; the slide block at the lower end of the connecting plate is inserted into the guide rail at the lower side; the connecting plates are fixed with screw rod nuts; two bearing seats are fixed on the cylinder body; a bidirectional screw rod is arranged between the two bearing blocks; one section of screw thread of the bidirectional screw rod is in threaded connection with one screw rod nut; the other section of the screw thread of the bidirectional screw rod is in threaded connection with the other screw rod nut; the vertical plate is provided with a press roller driving mechanism for synchronous and reverse rotation of the two press rollers; the compression roller driving mechanism comprises a belt, a first guide sleeve, a first guide shaft, a first nut, a first screw, a driving gear, a driven gear, a fixed rod, an upper gear and a lower gear; the rotation center of the driving gear and the rotation center of the driven gear are both rotationally connected with the vertical plate; one end of the first guide shaft is fixedly connected with the fixed rod; the first guide sleeve and the first nut are fixed on the vertical plate; the first guide sleeve is matched with the first guide shaft; the first guide shaft penetrates through the first guide sleeve and is fixedly connected with the fixed rod; the first nut is matched with the first screw rod; the first screw rod is in threaded connection with the first nut; the first screw rod is rotationally connected with the fixed rod; the rotating center of the upper gear is rotationally connected with the fixed rod; a telescopic adjusting device is arranged on the fixed rod; inner teeth are uniformly distributed on the inner side surface of the belt; the internal teeth are uniformly distributed along the length direction of the belt; the upper gear and the lower gear are arranged between the driving gear and the driven gear; the belt is sleeved among the driving gear, the driven gear, the upper gear and the lower gear; the driving gear, the driven gear, the upper gear and the lower gear are all meshed with the inner teeth of the belt; a belt tensioning device for tensioning a belt is arranged on the vertical plate; the belt tensioning device comprises a second guide sleeve, a second guide shaft, a second screw, a second nut and a tensioning wheel; the shaft body of the second guide shaft is matched with the second guide sleeve; the external thread of the second screw is matched with the internal thread of the second nut; the external thread of the second screw is in threaded connection with the internal thread of the second nut; the second guide sleeve and the second nut are fixed on the vertical plate; the rotation center of the tension wheel is rotationally connected with one end of the second guide shaft; the second guide shaft passes through the second guide sleeve; one end of the second guide shaft, which is far away from the tension wheel, is provided with a wedge-shaped surface; the bottom end of the second screw rod is arranged in a hemispherical shape; the bottom end of the second screw is tightly pressed on the wedge-shaped surface of the second guide shaft; the body of the tension pulley is tightly pressed on the outer end surface of the tension belt; the left side and the right side of the belt are both provided with side teeth; the side teeth are uniformly arranged along the length direction of the belt; the shaft heads of the compression rollers are provided with gears; the radius of the gear is gradually reduced along with the end far away from the compression roller; the section of the belt is in a trapezoid shape; the inner teeth are arranged at the top of the trapezoid; the teeth on the two sides are respectively arranged on the two trapezoidal waists; an included angle between one end surface of the gear, which is far away from the press roller, and the side surface of the gear is a first inclined angle; an included angle between the outer end surface of the belt and the side surface of the belt is a second inclined angle; the first tilt angle is equal to the second tilt angle; one side tooth is meshed with one gear; the other side tooth is meshed with the other gear. When the device is used, the bidirectional screw rod is rotated to drive the compression rollers on the two connecting plates to synchronously move close to or away from each other along the guide rail, so that the gap between the two compression rollers is adjusted; when the distance between the two compression rollers is changed, the axial center distance of the compression rollers is also changed; when the first distance is changed to the second distance, the distance of the gear is increased; rotating the second screw rod at the moment to enable the second screw rod to have no pressure on the wedge-shaped surface, and loosening the compression of the belt by the tensioning wheel; then the first screw rod is rotated, so that a section of belt between the upper gear and the lower gear is translated along the axial direction of the gears, the belt between the upper gear and the lower gear is pulled to be vertical through the upper gear and the lower gear, the side teeth on two sides can be fully meshed with the two gears, and the tensioning wheel re-tensions the belt after the second screw rod is rotated; through the tensioning wheel capable of being horizontally adjusted, even if the upper gear and the lower gear slide towards the direction far away from the compression roller or slide towards the direction close to the compression roller, a section of belt between the upper gear and the lower gear is stretched straightly and moves along the vertical direction, and meanwhile, the edge teeth can be fully meshed with the two gears; the sections of the gear and the belt are made into gradients, and can still be meshed after being mutually translated; in the structure, the driving gear is driven to rotate by the driving mechanism, so that the synchronous opposite movement of the two compression rollers is realized, the number of power equipment is reduced, the failure rate is reduced, and after the compression roller gap is adjusted, only the adjustment is needed for tensioning the belt and the condition that one section of the belt can still be in a vertical state after translation is ensured; after the continuous adjustment of the gap can be realized, the parts do not need to be disassembled, and the convenience of adjusting the gap of the roller is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the construction of the driving mechanism for the rolls;
FIG. 3 is a right side view of the cartridge;
FIG. 4 is a diagram showing a position distribution of a belt and a gear in a state where a gap between rollers is a first distance;
FIG. 5 is a diagram showing a position distribution of a belt and a gear in a state where the interval between the press rollers is a second distance;
FIG. 6 is a structural view of a gear;
FIG. 7 is a cross-sectional view of the belt;
description of reference numerals:
1. a vertical plate; 2. a belt; 201. internal teeth; 202. side teeth; 3. a first guide sleeve;
4. a first guide shaft; 5. a first nut; 6. a first screw; 7. a straight rod; 701. a helical groove;
702. an external thread; 8. a driving gear; 9. a U-shaped frame; 10. a barrel; 1001. an open slot;
11. a gear; 12. a compression roller; 13. a second guide sleeve; 14. a second guide shaft; 15. a second screw;
16. a second nut; 17. a tension wheel; 18. a driven gear; 19. fixing the rod; 20. an upper gear;
21. a lower gear; 22. a slide bar; 23. a third nut; 24. a positioning column; 25. a slider;
26. a guide rail; 27. a connecting plate; 28. a feed screw nut; 29. a bearing seat; 30. a bidirectional screw rod;
31. a steel belt; l1, first distance; l2, second distance; α, a first inclination angle;
β, the second inclination angle.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 7, the tablet press for processing powder coating of the present invention comprises a vertical plate 1 and a cylinder 10 fixed on the vertical plate 1; two parallel press rollers 12 are arranged in the cylinder 10; two shaft heads of the compression roller 12 are provided with connecting plates 27; the connecting plate 27 is rotationally connected with the shaft head of the compression roller 12; open grooves 1001 are formed in the left side and the right side of the cylinder 10; guide rails 26 are arranged on the upper side and the lower side of the open slot 1001; the upper side and the lower side of the connecting plate 27 are both provided with sliding blocks 25 matched with the guide rails 26; the slide block 25 at the upper end of the connecting plate 27 is inserted into the guide rail 26 at the upper side; the slider 25 at the lower end of the connecting plate 27 is inserted into the guide rail 26 at the lower side; the connecting plates 27 are all fixed with lead screw nuts 28; two bearing seats 29 are fixed on the cylinder 10; a bidirectional screw rod 30 is arranged between the two bearing blocks 29; one section of the bidirectional screw rod 30 is in threaded connection with one of the screw rod nuts 28; the other section of the screw thread of the bidirectional screw rod 30 is in threaded connection with the other screw rod nut 28;
the vertical plate 1 is provided with a press roller driving mechanism for the synchronous and reverse rotation of the two press rollers 12; the compression roller driving mechanism comprises a belt 2, a first guide sleeve 3, a first guide shaft 4, a first nut 5, a first screw 6, a driving gear 8, a driven gear 18, a fixed rod 19, an upper gear 20 and a lower gear 21; the rotation center of the driving gear 8 and the rotation center of the driven gear 18 are both rotationally connected with the vertical plate 1; one end of the first guide shaft 4 is fixedly connected with a fixed rod 19; the first guide sleeve 3 and the first nut 5 are fixed on the vertical plate 1; the first guide sleeve 3 is matched with the first guide shaft 4; the first guide shaft 4 penetrates through the first guide sleeve 3 and then is fixedly connected with the fixed rod 19; the first nut 5 is matched with the first screw rod 6; the first screw 6 is in threaded connection with the first nut 5; the first screw 6 is rotationally connected with a fixed rod 19; the rotation center of the upper gear 20 is rotationally connected with the fixed rod 19; a telescopic adjusting device is arranged on the fixed rod 19;
a belt tensioning device for tensioning the belt 2 is arranged on the vertical plate 1; the belt tensioning device comprises a second guide sleeve 13, a second guide shaft 14, a second screw 15, a second nut 16 and a tensioning wheel 17; the shaft body of the second guide shaft 14 is matched with the second guide sleeve 13; the external thread of the second screw 15 is matched with the internal thread of the second nut 16; the external thread of the second screw rod 15 is in threaded connection with the internal thread of the second nut 16; the second guide sleeve 13 and the second nut 16 are fixed on the vertical plate 1; the rotation center of the tension wheel 17 is rotationally connected with one end of the second guide shaft 14; the second guide shaft 14 passes through the second guide sleeve 13; one end of the second guide shaft 14, which is far away from the tension wheel 17, is provided with a wedge-shaped surface; the bottom end of the second screw rod 15 is arranged in a hemispherical shape; the bottom end of the second screw rod 15 is pressed on the wedge-shaped surface of the second guide shaft 14; the body of the tension pulley 17 is pressed on the outer end surface of the tension belt 2; the left side and the right side of the belt 2 are both provided with side teeth 202; the side teeth 202 are uniformly arranged along the length direction of the belt 2; the shaft heads of the compression rollers 12 are provided with gears 11; the radius of the gear 11 gradually decreases with the distance from one end of the press roller 12; the section of the belt 2 is trapezoidal; the internal teeth 201 are arranged at the top of the trapezoid; the two side teeth 202 are respectively arranged on the two trapezoidal waists; an included angle between one end surface of the gear 11 far away from the pressing roller 12 and the side surface of the gear 11 is a first inclined angle alpha; an included angle between the outer end surface of the belt 2 and the side surface of the belt 2 is a second inclination angle beta; the first inclination angle α is equal to the second inclination angle β; one of the side teeth 202 is engaged with one of the gears 11; the other side tooth 202 is engaged with the other gear 11; after the bidirectional screw rod 30 is rotated, the compression rollers 12 on the two connecting plates 27 are driven to synchronously move close to or away from each other along the guide rail 26, and the gap between the two compression rollers 12 is adjusted; when the distance between the two press rolls 12 changes, the axial center distance of the press rolls 12 also changes; as shown in fig. 4 and 5, when the first distance L1 is changed to the second distance L2, the distance of the gear 11 is increased; at the moment, the second screw rod 15 is rotated, so that the second screw rod 15 has no pressure on the wedge-shaped surface, and the tension pulley 17 is loosened to press the belt 2; then, the first screw 6 is rotated, so that a section of the belt 2 between the upper gear 20 and the lower gear 21 is translated along the axial direction of the gear 11, the belt between the upper gear 20 and the lower gear 21 is pulled to be vertical through the upper gear 20 and the lower gear 21, the two side teeth 202 can be fully meshed with the two gears 11, and the tensioning wheel 17 is used for tensioning the belt 2 again after the second screw 15 is rotated; through the tension wheel 17 capable of being horizontally adjusted, even if the upper gear 20 and the lower gear 21 slide towards the direction far away from the pressing roller 12 or slide towards the direction close to the pressing roller 12, a section of belt between the upper gear 20 and the lower gear 21 is stretched straight and moves along the vertical direction, and meanwhile, the side teeth 202 can be fully meshed with the two gears 11; the sections of the gear 11 and the belt 2 are made into gradients, and can still be meshed after being mutually translated; in the structure, the driving gear 8 is driven to rotate by a driving mechanism (motor), so that the synchronous opposite movement of the two compression rollers 12 is realized, the number of power equipment is reduced, the failure rate is reduced, and after the gap of the compression rollers 12 is adjusted, only the adjustment is needed to tension the belt 2 and ensure that one section of the belt 2 can still ensure a vertical state after translation; after the continuous adjustment of the gap can be realized, the parts do not need to be disassembled, and the convenience of adjusting the gap of the roller is improved.
As a preferable mode of the present invention, the outer end face of the belt 2 is provided with a steel belt 31 connected end to end; the steel belt 31 is wrapped on the outer end face of the belt 2; the steel belt 31 is used for enhancing the tensile property of the belt 2 and prolonging the service life of the belt 2.
As a preferred mode of the invention, the telescopic adjusting device comprises a straight rod 7, a U-shaped frame 9, a sliding rod 22 and a third nut 23 fixed on the vertical plate 1; the body of the straight rod 7 is in sliding connection with a fixed rod 19; the U-shaped frame 9 is rotationally connected with the rotation center of the lower gear 21; one end of the sliding rod 22 is fixed on the U-shaped frame 9; the body of the sliding rod 22 is connected with the fixed rod 19 in a sliding way; the tail end of the sliding rod 22 is provided with a positioning column 24 which extends downwards; the rod body of the straight rod 7 is provided with an external thread 702 matched with the third nut 23; the external thread 702 is engaged with the third nut 23; a spiral groove 701 is formed in the rod body of the straight rod 7; the spiral groove 701 is in a spiral rising shape on the rod body of the straight rod 7; the diameter of the positioning column 24 is equal to the width of the spiral groove 701; the positioning column 24 is inserted into the spiral groove 701; the straight rod 7 is rotated to enable the external thread 702 to rotate on the third nut 23 and slide relative to the fixing rod 19, and the spiral groove 701 drives the sliding rod 22 to slide on the fixing rod 19 through the positioning column 24 after rotating; finely tune the straightness that hangs down of gear 20 and lower gear 21, ensure that the gear 11 of both sides can fully mesh with the side tooth 202 of both sides, guarantee the meshing degree of gear 11 and side tooth 202, improve the life of belt 2, improve the high driven precision of gear.
When the device is used, the bidirectional screw rod is rotated to drive the compression rollers on the two connecting plates to synchronously move close to or away from each other along the guide rail, so that the gap between the two compression rollers is adjusted; when the distance between the two compression rollers is changed, the axial center distance of the compression rollers is also changed; as shown in fig. 4-5, as the first distance is changed to the second distance, the distance of the gears is also increased; rotating the second screw rod at the moment to enable the second screw rod to have no pressure on the wedge-shaped surface, and loosening the compression of the belt by the tensioning wheel; then the first screw rod is rotated, so that a section of belt between the upper gear and the lower gear is translated along the axial direction of the gears, the belt between the upper gear and the lower gear is pulled to be vertical through the upper gear and the lower gear, the side teeth on two sides can be fully meshed with the two gears, and the tensioning wheel re-tensions the belt after the second screw rod is rotated; through the tensioning wheel capable of being horizontally adjusted, even if the upper gear and the lower gear slide towards the direction far away from the compression roller or slide towards the direction close to the compression roller, a section of belt between the upper gear and the lower gear is stretched straightly and moves along the vertical direction, and meanwhile, the edge teeth can be fully meshed with the two gears; the sections of the gear and the belt are made into gradients, and can still be meshed after being mutually translated; in the structure, the driving gear is driven to rotate by the driving mechanism, so that the synchronous opposite movement of the two compression rollers is realized, the number of power equipment is reduced, the failure rate is reduced, and after the compression roller gap is adjusted, only the adjustment is needed for tensioning the belt and the condition that one section of the belt can still be in a vertical state after translation is ensured; the continuous adjustment of the gap can be realized without disassembling parts, and the convenience of adjusting the gap of the roller is improved; the straight rod is rotated to enable the external thread to rotate on the third nut and slide relative to the fixed rod, and the spiral groove drives the sliding rod to slide on the fixed rod through the positioning column after rotating; finely tune the straightness that hangs down of going up gear and lower gear, ensure that the gear of both sides can fully mesh with the side tooth of both sides, guarantee the meshing degree of gear and side tooth, improve the life of belt, improve the driven precision of gear height.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (3)
1. A tablet press for powder coating processing is characterized in that: the device comprises a vertical plate (1) and a cylinder body (10) fixed on the vertical plate (1); two parallel press rolls (12) are arranged in the cylinder (10); two shaft heads of the compression roller (12) are respectively provided with a connecting plate (27); the connecting plate (27) is rotationally connected with a shaft head of the press roll (12); open grooves (1001) are formed in the left side and the right side of the cylinder body (10); guide rails (26) are arranged on the upper side and the lower side of the open slot (1001); the upper side and the lower side of the connecting plate (27) are provided with sliding blocks (25) matched with the guide rails (26); a slide block (25) at the upper end of the connecting plate (27) is inserted into a guide rail (26) at the upper side; a slide block (25) at the lower end of the connecting plate (27) is inserted into a guide rail (26) at the lower side; the connecting plates (27) are all fixed with screw rod nuts (28); two bearing seats (29) are fixed on the cylinder body (10); a bidirectional screw rod (30) is arranged between the two bearing blocks (29); one section of the screw thread of the bidirectional screw rod (30) is in threaded connection with one of the screw rod nuts (28); the other section of the screw thread of the bidirectional screw rod (30) is in threaded connection with the other screw rod nut (28);
the vertical plate (1) is provided with a press roller driving mechanism for the synchronous and reverse rotation of the two press rollers (12); the compression roller driving mechanism comprises a belt (2), a first guide sleeve (3), a first guide shaft (4), a first nut (5), a first screw (6), a driving gear (8), a driven gear (18), a fixed rod (19), an upper gear (20) and a lower gear (21); the rotation center of the driving gear (8) and the rotation center of the driven gear (18) are rotatably connected with the vertical plate (1); one end of the first guide shaft (4) is fixedly connected with a fixed rod (19); the first guide sleeve (3) and the first nut (5) are fixed on the vertical plate (1); the first guide sleeve (3) is matched with the first guide shaft (4); the first guide shaft (4) penetrates through the first guide sleeve (3) and then is fixedly connected with the fixed rod (19); the first nut (5) is matched with the first screw (6); the first screw (6) is in threaded connection with the first nut (5); the first screw (6) is rotationally connected with the fixed rod (19); the rotary center of the upper gear (20) is rotationally connected with the fixed rod (19); a telescopic adjusting device is arranged on the fixing rod (19);
inner teeth (201) are uniformly distributed on the inner side surface of the belt (2); the internal teeth (201) are uniformly distributed along the length direction of the belt (2); the upper gear (20) and the lower gear (21) are arranged between the driving gear (8) and the driven gear (18); the belt (2) is sleeved among the driving gear (8), the driven gear (18), the upper gear (20) and the lower gear (21); the driving gear (8), the driven gear (18), the upper gear (20) and the lower gear (21) are all meshed with the inner teeth (201) of the belt (2);
a belt tensioning device for tensioning the belt (2) is arranged on the vertical plate (1); the belt tensioning device comprises a second guide sleeve (13), a second guide shaft (14), a second screw (15), a second nut (16) and a tensioning wheel (17); the shaft body of the second guide shaft (14) is matched with the second guide sleeve (13); the external thread of the second screw (15) is matched with the internal thread of the second nut (16); the external thread of the second screw (15) is in threaded connection with the internal thread of the second nut (16); the second guide sleeve (13) and the second nut (16) are fixed on the vertical plate (1); the rotation center of the tension wheel (17) is rotationally connected with one end of the second guide shaft (14); the second guide shaft (14) penetrates through the second guide sleeve (13); one end of the second guide shaft (14) far away from the tension wheel (17) is provided with a wedge-shaped surface; the bottom end of the second screw (15) is arranged in a hemispherical shape; the bottom end of the second screw rod (15) is pressed on the wedge-shaped surface of the second guide shaft (14); the body of the tension wheel (17) is tightly pressed on the outer end face of the belt (2); the left side and the right side of the belt (2) are provided with side teeth (202); the side teeth (202) are uniformly arranged along the length direction of the belt (2); the shaft heads of the press rolls (12) are provided with gears (11); the radius of the gear (11) is gradually reduced along with the distance from one end of the compression roller (12); the section of the belt (2) is trapezoidal; the internal teeth (201) are arranged at the top of the trapezoid; the two side teeth (202) are respectively arranged on the two trapezoidal waists; an included angle between one end surface of the gear (11) far away from the press roller (12) and the side surface of the gear (11) is a first inclined angle (alpha); an included angle between the outer side end face of the belt (2) and the side surface of the belt (2) is a second inclined angle (beta); the first inclination angle (α) is equal to the second inclination angle (β); one side tooth (202) is meshed with one gear (11); the other side tooth (202) is meshed with the other gear (11).
2. The tablet press for powder coating processing according to claim 1, wherein: the outer side end face of the belt (2) is provided with a steel belt (31) connected end to end; the steel belt (31) is wrapped on the outer end face of the belt (2).
3. The tablet press for powder coating processing according to claim 1, wherein: the telescopic adjusting device comprises a straight rod (7), a U-shaped frame (9), a sliding rod (22) and a third nut (23) fixed on the vertical plate (1); the rod body of the straight rod (7) is in sliding connection with the fixing rod (19); the U-shaped frame (9) is rotationally connected with the rotation center of the lower gear (21); one end of the sliding rod (22) is fixed on the U-shaped frame (9); the body of the sliding rod (22) is connected with the fixed rod (19) in a sliding way; the tail end of the sliding rod (22) is provided with a positioning column (24) extending downwards; the body of the straight rod (7) is provided with an external thread (702) matched with the third nut (23); the external thread (702) is meshed with a third nut (23); a spiral groove (701) is formed in the body of the straight rod (7); the spiral groove (701) is in a spiral rising shape on the rod body of the straight rod (7); the diameter of the positioning column (24) is equal to the width of the spiral groove (701); the positioning column (24) is inserted into the spiral groove (701).
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| CN202010663132.8A CN111546684B (en) | 2020-07-10 | 2020-07-10 | Tablet press is used in powder coating processing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411108A (en) * | 2020-12-03 | 2021-02-26 | 浙江百联无纺科技有限责任公司 | Embossing equipment for non-woven fabric production |
| CN114903192A (en) * | 2022-05-30 | 2022-08-16 | 宁夏马氏兄弟粮油产业发展有限公司 | Production equipment and process of steam corn flakes |
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| JPS5095662A (en) * | 1973-12-21 | 1975-07-30 | ||
| US4111626A (en) * | 1975-02-27 | 1978-09-05 | Takeda Chemical Industries, Ltd. | Powder compacting machine |
| CN102862312A (en) * | 2011-07-07 | 2013-01-09 | 吴昊 | Biomass extruding and molding combined unit |
| CN204674063U (en) * | 2015-05-28 | 2015-09-30 | 河北天太生物质能源开发有限公司 | A kind of novel pinch roller gap regulation fixing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5095662A (en) * | 1973-12-21 | 1975-07-30 | ||
| US4111626A (en) * | 1975-02-27 | 1978-09-05 | Takeda Chemical Industries, Ltd. | Powder compacting machine |
| CN102862312A (en) * | 2011-07-07 | 2013-01-09 | 吴昊 | Biomass extruding and molding combined unit |
| CN204674063U (en) * | 2015-05-28 | 2015-09-30 | 河北天太生物质能源开发有限公司 | A kind of novel pinch roller gap regulation fixing apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411108A (en) * | 2020-12-03 | 2021-02-26 | 浙江百联无纺科技有限责任公司 | Embossing equipment for non-woven fabric production |
| CN114903192A (en) * | 2022-05-30 | 2022-08-16 | 宁夏马氏兄弟粮油产业发展有限公司 | Production equipment and process of steam corn flakes |
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| Publication number | Publication date |
|---|---|
| CN111546684B (en) | 2020-11-06 |
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Denomination of invention: Tablet press for powder coating processing Effective date of registration: 20211018 Granted publication date: 20201106 Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd. Li Shui branch Pledgor: GUANGDONG RUIZHI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2021440000310 |
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Address after: 528000 No.5 Keshun Road, Heshun Community, Lishui Town, Nanhai District, Foshan City, Guangdong Province (Residence Application) Patentee after: GUANGDONG WISE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 528000 No. three, Ya Chung Industrial Zone, North Sha Village, Lishui Town, Nanhai District, Foshan, Guangdong, China. Patentee before: GUANGDONG RUIZHI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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Granted publication date: 20201106 Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd. Li Shui branch Pledgor: GUANGDONG RUIZHI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2021440000310 |
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