Coating stirring equipment with variable blade angle

Abstract

The invention relates to the technical field of coating stirring equipment, and discloses coating stirring equipment with a variable blade angle, the coating stirring equipment comprises a rack and a stirring barrel, the inner bottom surface of the rack is connected with the bottom surface of the stirring barrel through a bearing, the top of the stirring barrel is opened, and a discharging pipe is fixedly arranged at the lower end of the side wall of the stirring barrel in a penetrating manner; a valve is arranged on the discharging pipe; a box body is fixedly mounted at the top of the rack, a first stirring sleeve is longitudinally arranged at the bottom of the box body in a penetrating manner, the first stirring sleeve extends into the stirring barrel, and second stirring sleeves are arranged on the left side and the right side of the first stirring sleeve. According to the coating stirring equipment with the variable blade angle, the angle of the stirring blade can be conveniently adjusted, the angle of the blade can be adjusted in real time according to needs, the use flexibility is improved, meanwhile, the stirring modes are diversified, it is guaranteed that coating is rapidly stirred and mixed evenly, the stirring effect and efficiency of the coating are improved, and functionality is higher.

Description

Technical Field

[0001] The invention relates to the technical field of paint stirring equipment, in particular to a paint stirring equipment with a variable blade angle. Background Art

[0002] Paint is applied to the surface of the object to be protected or decorated, and can form a continuous film that is firmly attached to the object to be coated, isolating the surface of the object from the outside world, protecting and beautifying the object. During the production process of paint, a stirring device is required to stir and mix multiple paints, but the existing paint stirring equipment still has certain defects, such as:

[0003] The "a kind of paint stirring device" with application number CN201721567495.1 cannot adjust the angle of the paddle during use. The paddle can only stir the paint at a fixed angle and cannot be adjusted according to needs. The flexibility of use is poor, which is not conducive to improving the stirring and efficiency of the paint. At the same time, the stirring method of the paint is single, which affects the stirring and efficiency of the paint, and it is difficult to ensure that the paint is quickly stirred and mixed evenly;

[0004] In view of this, in-depth research was conducted on the above-mentioned problem, and a paint stirring device with a variable blade angle was proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a paint stirring device with a variable blade angle to solve the problem in the above background technology that the existing paint stirring device cannot adjust the blade angle and the single stirring method is not conducive to improving paint stirring and efficiency.

[0006] To achieve the above object, the present invention provides the following technical solution: a paint stirring device with a variable blade angle, comprising a frame and a stirring barrel,

[0007] The inner bottom surface of the frame is connected to the bottom bearing of the mixing barrel, and the top of the mixing barrel is open. A discharge pipe is fixedly provided at the lower end of the side wall of the mixing barrel, and a valve is provided on the discharge pipe.

[0008] A box is fixedly installed on the top of the frame, and a first stirring sleeve is longitudinally penetrated through the bottom of the box, and the first stirring sleeve extends to the inside of the stirring barrel, and second stirring sleeves are arranged on the left and right sides of the first stirring sleeve, and the second stirring sleeve longitudinal bearing penetrates the bottom of the box, and the second stirring sleeve extends to the inside of the stirring barrel, and stirring mechanisms are arranged on the first stirring sleeve and the second stirring sleeve;

[0009] A rotating shaft is provided through the longitudinal bearing at the top of the box body, and a power mechanism is connected to the top of the rotating shaft, a reciprocating mechanism is connected to the bottom of the rotating shaft, a rotating mechanism for the shaft ends of the first stirring sleeve and the second stirring sleeve is provided on the right side of the reciprocating mechanism, and a self-rotating mechanism for rotating the stirring barrel is provided at the bottom of the rotating shaft;

[0010] A one-way rotation mechanism is provided on the rotating shaft, and the one-way rotation mechanism is installed on the inner top surface of the box body. The one-way rotation mechanism is connected to a reciprocating screw through a transmission mechanism, and the top end of the reciprocating screw is connected to the inner top surface bearing of the box body, and an adjustment mechanism for adjusting the angle of the stirring mechanism is provided on the reciprocating screw.

[0011] The above technical solution is adopted to improve the paint stirring effect and efficiency.

[0012] As a preferred technical solution of the present invention, the longitudinal centerline of the stirring barrel is collinear with the longitudinal centerline of the first stirring sleeve, and the stirring mechanisms arranged on the first stirring sleeve and the second stirring sleeve are staggered.

[0013] The adoption of the technical solution facilitates effective stirring of the coating.

[0014] As a preferred technical solution of the present invention, the stirring mechanism includes a mounting shaft, and the mounting shaft is provided with multiple transverse bearings on both the first stirring sleeve and the second stirring sleeve, and a stirring blade is fixedly installed on the shaft end of the mounting shaft.

[0015] The adoption of the technical solution facilitates the efficient stirring of the coating.

[0016] As a preferred technical solution of the present invention, the power mechanism includes a motor, the shaft end of the motor is coaxially fixedly connected to the top end of the rotating shaft, and the motor is fixedly installed on the inner top surface of the casing, and the casing is fixedly installed on the top surface of the box.

[0017] The above technical solution is adopted to facilitate driving the rotating shaft to rotate by the motor.

[0018] As a preferred technical solution of the present invention, the reciprocating mechanism includes a crankshaft, the top end of the crankshaft is coaxially fixedly connected with the bottom end of the rotating shaft, and the crankshaft bearing is arranged through the bottom of the box body, a sleeve is provided on the crankshaft, and the sleeve is connected to the crankshaft bearing, a connecting rod is fixedly installed on the right side of the sleeve, and a connecting column is penetrated through the right side bearing of the connecting rod, a moving plate is fixedly installed on the bottom end of the connecting column, and the bottom surface of the moving plate is laterally slidably connected to the inner bottom surface of the box body.

[0019] By adopting the above technical solution, when the rotating shaft drives the crankshaft to rotate, the movable plate can be driven to move back and forth through the arrangement of the shaft sleeve, the connecting rod and the connecting column.

[0020] As a preferred technical solution of the present invention, the rotating mechanism includes a first rack, which is fixedly mounted on the rear end of the right side surface of the movable plate, and the front side of the first rack is meshedly connected with a transmission gear, and the transmission gear is fixedly sleeved on the outer wall surface of the first stirring sleeve, and the left and right ends of the transmission gear are meshedly connected with linkage gears, and the two linkage gears are respectively fixedly sleeved on the outer wall surfaces of the second stirring sleeve on the left and right sides.

[0021] By adopting the above technical solution, the reciprocating movement of the movable plate drives the reciprocating movement of the first rack, so that the transmission gear drives the first stirring sleeve to rotate reciprocatingly, and drives the second stirring sleeve to rotate through the linkage gear, so that the mounting shaft and the stirring blades on the first stirring sleeve and the second stirring sleeve rotate reciprocatingly, thereby achieving stirring of the paint.

[0022] As a preferred technical solution of the present invention, the self-rotation mechanism includes a rotating rod, which is coaxially fixedly installed on the bottom end of the crankshaft, and a driving gear is coaxially fixedly installed on the bottom end of the rotating rod, the driving gear is meshingly connected with a driven gear, and the driven gear is fixedly sleeved on the outer wall surface of the mixing barrel.

[0023] By adopting the above technical solution, the crankshaft can be rotated to drive the mixing barrel to rotate through the arrangement of the driving gear and the driven gear, thereby improving the mixing effect and efficiency of the paint.

[0024] As a preferred technical solution of the present invention, the one-way rotation mechanism includes a hollow tube, the top of the hollow tube is connected to the inner top surface bearing of the box, and the rotating shaft is arranged through the hollow tube, a ratchet is fixedly mounted on the rotating shaft, and the ratchet is located inside the hollow tube, the inner wall surface of the hollow tube is connected to a pawl through a torsion spring, and the pawl is meshingly connected to the ratchet.

[0025] By adopting the above technical solution, when the rotating shaft rotates in the reverse direction, the hollow tube can be driven to rotate in one direction through the arrangement of the ratchet wheel and the pawl.

[0026] As a preferred technical solution of the present invention, the transmission mechanism includes a driving pulley, which fixes the outer wall of the hollow tube, and the driving pulley is connected to the driven pulley through a belt drive, and the driven pulley fixes the surface of the reciprocating screw rod.

[0027] By adopting the above technical solution, the hollow tube can be rotated to drive the reciprocating screw rod to rotate through the driving pulley and the driven pulley of the belt conveyor.

[0028] As a preferred technical solution of the present invention, the adjusting mechanism includes a lifting plate, the right side surface of the lifting plate is longitudinally slidably connected to the right inner wall surface of the box body, and the reciprocating screw rod penetrates the lifting plate and is threadedly connected to the lifting plate, a circular plate is arranged on the bottom surface of the lifting plate, and three circular plates are arranged equidistantly, and the three circular plates are located correspondingly and respectively directly above the first stirring sleeve and the two second stirring sleeves, the top surface of the circular plate is connected to the bottom surface bearing of the lifting plate, and straight rods are arranged at eccentric positions of the bottom surfaces of the three circular plates, the three straight rods extend to the inside of the first stirring sleeve and the two second stirring sleeves respectively, a second rack is fixedly installed at the bottom end of the three straight rods, and the three second racks are longitudinally slidably connected to the inner wall surfaces of the first stirring sleeve and the two second stirring sleeves respectively, and the adjusting gear is fixedly sleeved on the surface of the mounting shaft, and the second rack is meshedly connected to the adjusting gear.

[0029] By adopting the above technical scheme, it is convenient for the reciprocating screw to rotate and drive the lifting plate and the circular plate to move back and forth, so that the straight rod drives the second rack to move back and forth synchronously, and the mounting shaft and the stirring blade are driven to rotate by adjusting the gear to achieve the adjustment of the angle of the stirring blade. At the same time, the connection relationship between the circular plate and the lifting plate bearing ensures that the straight rod and the second rack can rotate with the first stirring sleeve and the second stirring sleeve.

[0030] Compared with the prior art, the present invention has the following beneficial effects: the paint stirring device with variable blade angle can easily adjust the angle of the stirring blade, and can adjust the blade angle in real time according to needs, which improves the flexibility of use. At the same time, the stirring methods are diverse, which ensures that the paint is quickly stirred and mixed evenly, which is beneficial to improving the stirring effect and efficiency of the paint, and has stronger functionality;

[0031] 1. The motor drives the rotating shaft to rotate. When the rotating shaft drives the crankshaft to rotate, the movable plate is reciprocated through the action of the shaft sleeve, the connecting rod and the connecting column. The movable plate drives the first rack to reciprocate synchronously, so that the transmission gear drives the first stirring sleeve to rotate, and the transmission gear drives the linkage gear and the second stirring sleeve to rotate, so that the mounting shafts and stirring blades on the first stirring sleeve and the second stirring sleeve are reciprocated synchronously to achieve stirring and mixing of the coating;

[0032] 2. When the crankshaft rotates, the driving gear is driven to rotate through the rotating rod, so that the mixing barrel is driven to rotate through the driven gear, thereby improving the mixing effect and efficiency of the paint;

[0033] 3. When the motor drives the rotating shaft to rotate in the opposite direction, the hollow tube is rotated by the action of the ratchet and the pawl, so that the reciprocating screw is rotated by the action of the driving pulley, the belt and the driven pulley, so that the lifting plate can reciprocate. The movement of the lifting plate drives the straight rod and the second rack to reciprocate through the circular plate, so that the adjusting gear meshing with the second gear drives the mounting shaft and the stirring blade to rotate, thereby realizing the adjustment of the stirring blade angle and improving the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the cross-sectional structure of the box body of the present invention;

[0036] Figure 3 This is a schematic diagram of the connection structure of the connecting rod, the crankshaft and the connecting column of the present invention;

[0037] Figure 4 This is a schematic diagram of the connection structure between the first rack, the moving plate and the transmission gear of the present invention;

[0038] Figure 5 It is a schematic diagram of the connection structure between the transmission gear and the linkage gear of the present invention;

[0039] Figure 6 It is a schematic diagram of the connection structure between the ratchet and the pawl of the present invention;

[0040] Figure 7 It is a schematic diagram of the connection structure between the belt and the driving pulley and the driven pulley of the present invention;

[0041] Figure 8 It is a schematic diagram of the connection structure of the lifting plate, the reciprocating screw rod and the circular plate of the present invention;

[0042] Fig. 9 It is a schematic diagram of the connection structure between the second rack, the first stirring sleeve and the adjusting gear of the present invention;

[0043] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at A in the middle.

[0044] In the figure: 1. frame; 2. mixing barrel; 3. discharge pipe; 4. box body; 5. first mixing sleeve; 6. second mixing sleeve; 7. mounting shaft; 8. mixing blade; 9. rotating shaft; 10. motor; 11. casing; 12. crankshaft; 13. bushing; 14. connecting rod; 15. connecting column; 16. moving plate; 17. first rack; 18. transmission gear; 19. linkage gear; 20. rotating rod; 21. driving gear; 22. driven gear; 23. hollow tube; 24. ratchet; 25. pawl; 26. driving pulley; 27. belt; 28. driven pulley; 29. ​​reciprocating screw; 30. lifting plate; 31. round plate; 32. straight rod; 33. second rack; 34. adjusting gear. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] See also Figure 1 - Figure 2 The technical solution of the present invention is: a paint stirring device with a variable blade angle, comprising a frame 1 and a stirring barrel 2, the inner bottom surface of the frame 1 is connected to the bottom bearing of the stirring barrel 2, and the top of the stirring barrel 2 is open, and a discharge pipe 3 is fixedly penetrated at the lower end of the side wall of the stirring barrel 2, and a valve is provided on the discharge pipe 3.

[0047] A box body 4 is fixedly installed on the top of the frame 1, and a first stirring sleeve 5 is longitudinally penetrated through the bottom of the box body 4, and the first stirring sleeve 5 extends to the inside of the stirring barrel 2; second stirring sleeves 6 are arranged on the left and right sides of the first stirring sleeve 5, and the longitudinal bearing of the second stirring sleeve 6 penetrates the bottom of the box body 4, and the second stirring sleeve 6 extends to the inside of the stirring barrel 2, and stirring mechanisms are arranged on the first stirring sleeve 5 and the second stirring sleeve 6; the longitudinal axis midline of the stirring barrel 2 is collinear with the longitudinal axis midline of the first stirring sleeve 5, and the stirring mechanisms arranged on the first stirring sleeve 5 and the second stirring sleeve 6 are staggered.

[0048] A rotating shaft 9 is provided through the longitudinal bearing at the top of the box body 4, and a power mechanism is connected to the top of the rotating shaft 9, wherein the power mechanism includes a motor 10, the shaft end of the motor 10 is coaxially fixedly connected to the top of the rotating shaft 9, and the motor 10 is fixedly installed on the inner top surface of the casing 11, and the casing 11 is fixedly installed on the top surface of the box body 4.

[0049] like Figure 3The bottom end of the rotating shaft 9 is connected to a reciprocating mechanism, which includes a crankshaft 12. The top end of the crankshaft 12 is coaxially fixedly connected to the bottom end of the rotating shaft 9, and the crankshaft 12 bearing is set through the bottom of the box body 4. A sleeve 13 is sleeved on the crankshaft 12, and the sleeve 13 is connected to the crankshaft 12 bearing. A connecting rod 14 is fixedly installed on the right side of the sleeve 13, and a connecting column 15 is set through the right side bearing of the connecting rod 14. A moving plate 16 is fixedly installed on the bottom end of the connecting column 15, and the bottom surface of the moving plate 16 is laterally slidably connected to the inner bottom surface of the box body 4.

[0050] like Figure 4 A rotating mechanism for the shaft ends of the first stirring sleeve 5 and the second stirring sleeve 6 is provided on the right side of the reciprocating mechanism shown, and the rotating mechanism includes a first rack 17, which is fixedly mounted on the rear end of the right side surface of the moving plate 16, and the front side of the first rack 17 is meshedly connected with a transmission gear 18, and the transmission gear 18 is fixedly sleeved on the outer wall surface of the first stirring sleeve 5, and the left and right ends of the transmission gear 18 are meshedly connected with linkage gears 19, and the two linkage gears 19 are respectively fixedly sleeved on the outer wall surfaces of the second stirring sleeve 6 on the left and right sides.

[0051] The bottom end of the rotating shaft 9 is provided with a self-rotating mechanism for rotating the mixing barrel 2, and the self-rotating mechanism includes a rotating rod 20, the rotating rod 20 is coaxially fixedly installed on the bottom end of the crankshaft 12, and the bottom end of the rotating rod 20 is coaxially fixedly installed with a driving gear 21, the driving gear 21 is meshedly connected with a driven gear 22, and the driven gear 22 is fixedly sleeved on the outer wall surface of the mixing barrel 2. A one-way rotating mechanism is provided on the rotating shaft 9, and the one-way rotating mechanism is installed on the inner top surface of the box body 4. The one-way rotating mechanism is connected to a reciprocating screw 29 through a transmission mechanism, and the top end of the reciprocating screw 29 is connected to the inner top surface bearing of the box body 4, and an adjustment mechanism for adjusting the angle of the stirring mechanism is provided on the reciprocating screw 29.

[0052] like Figure 6 The one-way rotation mechanism shown includes a hollow tube 23, the top of the hollow tube 23 is connected to the inner top surface bearing of the box body 4, and the rotating shaft 9 is set through the hollow tube 23. A ratchet 24 is fixedly mounted on the rotating shaft 9, and the ratchet 24 is located inside the hollow tube 23. The inner wall surface of the hollow tube 23 is connected to a pawl 25 through a torsion spring, and the pawl 25 is meshed with the ratchet 24.

[0053] like Figure 7 The transmission mechanism shown includes a driving pulley 26 , which fixes the outer wall of the hollow tube 23 , and is connected to a driven pulley 28 via a belt 27 , and the driven pulley 28 fixes the surface of the reciprocating screw 29 .

[0054] like Figure 8-10As shown, the adjustment mechanism includes a lifting plate 30, the right side surface of the lifting plate 30 is longitudinally slidably connected to the right inner wall surface of the box body 4, and the reciprocating screw 29 is arranged through the lifting plate 30, and the reciprocating screw 29 is threadedly connected to the lifting plate 30. A circular plate 31 is arranged on the bottom surface of the lifting plate 30, and three circular plates 31 are arranged at equal intervals, and the three circular plates 31 are correspondingly located directly above the first stirring sleeve 5 and the two second stirring sleeves 6 in sequence, the top surface of the circular plate 31 is connected to the bottom surface bearing of the lifting plate 30, and the eccentric position of the bottom surface of the three circular plates 31 is provided with straight rods 32, and the three straight rods 32 extend to the inside of the first stirring sleeve 5 and the two second stirring sleeves 6 respectively. A second rack 33 is fixedly installed at the bottom end of the three straight rods 32, and the three second racks 33 are respectively longitudinally slidably connected to the inner wall surfaces of the first stirring sleeve 5 and the two second stirring sleeves 6. The stirring mechanism includes a mounting shaft 7. The mounting shaft 7 is provided with multiple transverse bearings on the first stirring sleeve 5 and the second stirring sleeve 6, and a stirring blade 8 is fixedly installed on the shaft end of the mounting shaft 7. The adjusting gear 34 is fixedly sleeved on the surface of the mounting shaft 7, and the second rack 33 is meshedly connected to the adjusting gear 34.

[0055] Working principle: When in use, the raw materials for producing the paint are put into the mixing barrel 2, and the motor 10 is started to rotate the rotating shaft 9, which drives the crankshaft 12 to rotate, and the movable plate 16 is reciprocated in the horizontal direction through the action of the sleeve 13, the connecting rod 14 and the connecting column 15; when the movable plate 16 reciprocates, it drives the first rack 17 to reciprocate synchronously, so that the transmission gear 18 meshing with the first rack 17 and the first stirring sleeve 5 reciprocate, and at the same time, the linkage gear 19 meshing with the transmission gear 18 drives the second stirring sleeve 6 to reciprocate synchronously, so that the stirring blades 8 on the first stirring sleeve 5 and the second stirring sleeve 6 reciprocate, so as to achieve efficient stirring and mixing of the paint.

[0056] When the crankshaft 12 rotates, the rotating rod 20 is driven to rotate, and the rotating rod 20 drives the driving gear 21 to rotate, and the driven gear 22 meshing with the driving gear 21 drives the mixing barrel 2 to rotate synchronously, thereby improving the mixing effect and efficiency of the paint.

[0057] When the angle of the stirring blade 8 needs to be adjusted, the motor 10 drives the rotating shaft 9 to rotate in the opposite direction. At this time, the action of the ratchet 24 and the pawl 25 drives the hollow tube 23 to rotate, and the rotation of the hollow tube 23 drives the driving pulley 26 to rotate, and the action of the belt 27 makes the driven pulley 28 drive the reciprocating screw 29 to rotate synchronously. When the reciprocating screw 29 rotates, the lifting plate 30 can reciprocate in the vertical direction. When the lifting plate 30 moves, it drives the circular plate 31, the straight rod 32 and the second rack 33 to move synchronously, so that the adjusting gear 34 meshing with the second rack 33 drives the mounting shaft 7 and the stirring blade 8 to rotate, thereby realizing the adjustment of the angle of the stirring blade 8.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A paint stirring device with a variable blade angle, comprising a frame (1) and a stirring barrel (2), characterized in that: The inner bottom surface of the frame (1) is connected to the bottom bearing of the mixing barrel (2), and the top of the mixing barrel (2) is open. A discharge pipe (3) is fixedly provided at the lower end of the side wall of the mixing barrel (2), and a valve is provided on the discharge pipe (3); A box body (4) is fixedly mounted on the top of the frame (1), and a first stirring sleeve (5) is longitudinally penetrated through the bottom of the box body (4), and the first stirring sleeve (5) extends to the inside of the stirring barrel (2), and second stirring sleeves (6) are arranged on both sides of the left and right of the first stirring sleeve (5), and a longitudinal bearing of the second stirring sleeve (6) penetrates through the bottom of the box body (4), and the second stirring sleeve (6) extends to the inside of the stirring barrel (2), and stirring mechanisms are arranged on the first stirring sleeve (5) and the second stirring sleeve (6); A rotating shaft (9) is provided through the longitudinal bearing at the top of the housing (4), and a power mechanism is connected to the top of the rotating shaft (9), and a reciprocating mechanism is connected to the bottom of the rotating shaft (9). A rotating mechanism for the shaft ends of the first stirring sleeve (5) and the second stirring sleeve (6) is provided on the right side of the reciprocating mechanism, and a self-rotating mechanism for rotating the stirring barrel (2) is provided at the bottom of the rotating shaft (9); The rotating shaft (9) is provided with a one-way rotating mechanism, and the one-way rotating mechanism is installed on the inner top surface of the box body (4). The one-way rotating mechanism is connected to a reciprocating screw (29) through a transmission mechanism, and the top end of the reciprocating screw (29) is connected to the inner top surface bearing of the box body (4), and the reciprocating screw (29) is provided with an adjustment mechanism for adjusting the angle of the stirring mechanism.

2. A paint stirring device with variable blade angle according to claim 1, characterized in that: The longitudinal centerline of the stirring barrel (2) is colinear with the longitudinal centerline of the first stirring sleeve (5), and the stirring mechanisms arranged on the first stirring sleeve (5) and the second stirring sleeve (6) are staggered.

3. The paint stirring device with variable blade angle according to claim 1, characterized in that: The stirring mechanism comprises a mounting shaft (7), wherein the mounting shaft (7) is provided with a plurality of transverse bearings penetrating both the first stirring sleeve (5) and the second stirring sleeve (6), and a stirring blade (8) is fixedly mounted on the shaft end of the mounting shaft (7).

4. The paint stirring device with variable blade angle according to claim 1, characterized in that: The power mechanism comprises a motor (10), the shaft end of the motor (10) is coaxially fixedly connected to the top end of the rotating shaft (9), and the motor (10) is fixedly mounted on the inner top surface of the casing (11), and the casing (11) is fixedly mounted on the top surface of the box body (4).

5. The paint stirring device with variable blade angle according to claim 1, characterized in that: The reciprocating mechanism comprises a crankshaft (12), the top end of the crankshaft (12) is coaxially fixedly connected with the bottom end of the rotating shaft (9), and the bearing of the crankshaft (12) is arranged through the bottom of the box body (4), a sleeve (13) is sleeved on the crankshaft (12), and the sleeve (13) is connected with the bearing of the crankshaft (12), a connecting rod (14) is fixedly installed on the right side of the sleeve (13), and a connecting column (15) is arranged through the right side bearing of the connecting rod (14), a moving plate (16) is fixedly installed on the bottom end of the connecting column (15), and the bottom surface of the moving plate (16) is laterally slidably connected with the inner bottom surface of the box body (4).

6. The paint stirring device with variable blade angle according to claim 5, characterized in that: The rotating mechanism comprises a first rack (17), the first rack (17) being fixedly mounted on the rear end of the right side surface of the movable plate (16), and the front side of the first rack (17) being meshedly connected with a transmission gear (18), and the transmission gear (18) being fixedly sleeved on the outer wall surface of the first stirring sleeve (5), and the left and right ends of the transmission gear (18) being meshedly connected with linkage gears (19), and the two linkage gears (19) being fixedly sleeved on the outer wall surfaces of the second stirring sleeves (6) on the left and right sides, respectively.

7. The paint stirring device with variable blade angle according to claim 5, characterized in that: The self-rotating mechanism comprises a rotating rod (20), the rotating rod (20) being coaxially fixedly mounted on the bottom end of the crankshaft (12), and a driving gear (21) being coaxially fixedly mounted on the bottom end of the rotating rod (20), the driving gear (21) being meshingly connected with a driven gear (22), and the driven gear (22) being fixedly sleeved on the outer wall surface of the mixing barrel (2).

8. The paint stirring device with variable blade angle according to claim 1, characterized in that: The one-way rotation mechanism comprises a hollow tube (23), the top of the hollow tube (23) is connected to the inner top surface bearing of the box body (4), and the rotating shaft (9) is arranged to pass through the hollow tube (23), a ratchet (24) is fixedly mounted on the rotating shaft (9), and the ratchet (24) is located inside the hollow tube (23), and the inner wall surface of the hollow tube (23) is connected to a ratchet (25) through a torsion spring, and the ratchet (25) is meshedly connected with the ratchet (24).

9. The paint stirring device with variable blade angle according to claim 8, characterized in that: The transmission mechanism comprises a driving pulley (26), the driving pulley (26) fixes the outer wall surface of the hollow tube (23), and the driving pulley (26) is connected to a driven pulley (28) through a belt (27), and the driven pulley (28) fixes the surface of the reciprocating screw rod (29).

10. The paint stirring device with variable blade angle according to claim 4, characterized in that: The adjusting mechanism comprises a lifting plate (30), the right side surface of the lifting plate (30) is longitudinally slidably connected to the right inner wall surface of the box body (4), and the reciprocating screw rod (29) is arranged through the lifting plate (30), and the reciprocating screw rod (29) is threadedly connected to the lifting plate (30), and the bottom surface of the lifting plate (30) is provided with a circular plate (31), and three circular plates (31) are arranged at equal intervals, and the three circular plates (31) are sequentially located directly above the first stirring sleeve (5) and the two second stirring sleeves (6), and the top surface of the circular plate (31) is connected to the bottom surface bearing of the lifting plate (30), and the three circular plates (31) are arranged at equal intervals. A straight rod (32) is provided at an eccentric position on the bottom surface of the circular plate (31), and the three straight rods (32) extend into the interior of the first stirring sleeve (5) and the two second stirring sleeves (6) respectively. A second rack (33) is fixedly mounted on the bottom ends of the three straight rods (32), and the three second racks (33) are respectively connected to the inner wall surfaces of the first stirring sleeve (5) and the two second stirring sleeves (6) in a longitudinal sliding manner. The second rack (33) is meshedly connected with an adjusting gear (34), and the adjusting gear (34) is fixedly sleeved on the surface of the mounting shaft (7), and the second rack (33) is meshedly connected with the adjusting gear (34).

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