Automatic fan assembling production line

Abstract

The invention discloses an automatic fan assembling production line, and relates to the technical field of fan assembly.The automatic fan assembling production line comprises a case rack, an upper cover buckling mechanism is fixedly installed on the left side of the upper surface of the case rack, an upper cover conveying mechanism is fixedly installed on the left side of the upper cover buckling mechanism, and a workpiece conveying mechanism is fixedly installed on the front side of the upper surface of the case rack; and positioning mechanisms are fixedly mounted on the right sides of the workpiece conveying mechanism and the upper cover conveying mechanism correspondingly, a dispensing assembly is fixedly mounted on the left side of the upper surface of the machine box rack, a finished product collecting mechanism is fixedly mounted on the right side of the upper surface of the machine box rack, and a collecting assembly is arranged on the right side of the finished product collecting mechanism. A fan is conveyed through the motor chain and chain wheel positioning clamp, the fan is conveniently assembled, workpieces on the positioning clamp are moved to different stations to be assembled through the chain, the workpieces are limited through the check blocks and the side pressing blocks in the fan assembling process, and the workpieces are prevented from falling in the conveying process.

Description

Technical Field

[0001] The present invention relates to the technical field of fan assembly, and in particular to an automatic fan assembly production line. Background Art

[0002] The assembly of fans is mainly completed by workers through manual operations, including grinding disc installation, bearing installation, oil seal installation, frame pressing, oiling, hot melting, glue dispensing, testing and other steps. Such a complex process requires workers to constantly move the workpiece during actual operation. Therefore, an automatic assembly line is urgently needed to automatically assemble the fans, so as to save production costs and reduce manual operations.

[0003] For example, the Chinese patent publication number CN220093709U discloses an automated assembly production line for hydraulic fans. When lubricating the bearings inside the fan body, the device as a whole is installed by rotating the disc and the support frame, and at the same time cooperates with the rotation of the stepping control motor, the limit gear and the gear ring on one side, so that the whole can drive the oiling mechanism on the bottom side to rotate slowly and at a uniform speed when lubricating, so that the whole can evenly rotate and lubricate the inside of the bearing, the overall oiling effect is better, the uniformity of the overall oiling is guaranteed, and the overall use is convenient.

[0004] The existing technology has the following problems:

[0005] In the existing automatic fan assembly production line, the workpieces are not limited during the conveying and assembly process, which makes the workpieces easily fall during transportation. At the same time, when using the above-mentioned assembly production line, there is no relevant mechanism to dispense glue on the workpieces, and no pull-out test is performed on the assembled fans. Summary of the Invention

[0006] The present invention provides an automatic fan assembly production line to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] The lifting mechanism comprises a lifting mechanism, a lifting mechanism being a lifting mechanism, a lifting mechanism being a lifting mechanism, a lifting mechanism being a lifting mechanism of the lifting mechanism and a lifting mechanism being a lifting mechanism of the lifting mechanism.

[0009] The annular wire assembly includes two rotating shafts, an annular seat and a motor. The lower surface of the annular seat is fixedly installed on the upper surface of the chassis frame. The lower ends of the two rotating shafts are respectively rotatably connected to the left and right sides of the upper surface of the chassis frame. The upper ends of the two rotating shafts are fixedly connected with sprockets. The output end of the motor passes through the chassis frame and is fixedly connected to the bottom end of the left rotating shaft. The outer surfaces of the two sprockets are engaged with chains. The buckle cover mechanism includes a bracket two. The lower surfaces of the two brackets are respectively fixedly installed on the left and right sides of the upper surface of the chassis frame. The two opposite sides of the two brackets are fixedly installed with a horizontal plate two. The finished product receiving mechanism includes a bracket one, the lower surfaces of the two brackets are fixedly installed on the left and right sides of the upper surface of the chassis frame respectively, and the opposite sides of the two brackets are fixedly installed with a horizontal plate one, the upper surface of the horizontal plate one is movably connected with a drag chain one, and one side of the horizontal plate one is slidably connected with a moving block one, and the outer surface of the moving block one is fixedly installed with a cylinder one, and the output end of the cylinder one is fixedly connected with a moving seat one through the moving block one, the rear side of the upper surface of the moving block one is fixedly connected to the left side of the lower surface of the drag chain, and the front and rear sides of the lower surface of the moving seat are slidably connected with a clamping block one.

[0010] The positioning mechanism includes a positioning block, the lower surface of the positioning block is fixedly installed on the right side of the upper surface of the workpiece conveying mechanism, the dispensing component includes a column, the lower surface of the column is fixedly installed on the left side of the upper surface of the chassis frame, the inner wall of the column is fixedly connected to a cross bar, and the left end of the cross bar is fixedly installed with cylinder three.

[0011] Preferably, a positioning fixture is slidably connected to the outer surface of the annular seat, and the side of the positioning fixture close to the chain is engaged with the chain.

[0012] Preferably, the four sides of the upper surface of the positioning fixture are fixedly connected with stoppers, and the inner walls of the grooves on the four sides of the upper surface of the positioning fixture are movably connected with two side pressure blocks.

[0013] Preferably, positioning arms are fixedly installed on opposite sides of the inner side of the annular seat through connecting frames, cylinder four is fixedly installed on the front and rear sides of the upper surface of the chassis frame, the output ends of the cylinder four are fixedly connected to the output arms, the inner wall of one end of the output arm is rotatably connected to the outer surface of the positioning arm, and the left and right ends of the positioning arm are fixedly connected to guide rods.

[0014] Preferably, the upper surface of the horizontal plate 2 is movably connected with the drag chain 2, the two side surfaces of the horizontal plate 2 are slidably connected with the moving block 2, the outer surface of the moving block 2 is fixedly installed with a cylinder 4, the output end of the cylinder 4 passes through the moving block 2 and is fixedly connected with the moving seat 2, the rear side of the upper surface of the moving block 2 is fixedly connected to the left side of the lower surface of the drag chain 2, the front and rear sides of the lower surface of the moving seat 2 are slidably connected with the clamping block 2, the right side of the bracket 2 is fixedly installed with a positioning seat, and the lower end of the right side of the moving seat 2 is fixedly installed with a photoelectric sensor.

[0015] Preferably, a support plate is fixedly installed on the front side of a lower surface of the bracket, a cylinder 2 is fixedly installed on the inner wall of the support plate, a drawing block is fixedly connected to the output end of the cylinder 2, and a placement plate is fixedly installed on the front side of the left side of the bracket 1.

[0016] Preferably, mounting blocks are fixedly mounted on the front and rear sides of the upper surface of the positioning mechanism, and a light projector and a light receiver are fixedly mounted on opposite sides of the two mounting blocks, respectively.

[0017] Preferably, the output end of the cylinder three is fixedly connected to a fixed block, and a glue gun is fixedly installed on the left side of the fixed block.

[0018] Preferably, the fan automatic assembly production line includes the following steps:

[0019] S1: fan blade loading;

[0020] S2: Assemble the oil ring and gasket on the workpiece for the first time;

[0021] S3: After dispensing glue, buckle the upper cover onto the workpiece;

[0022] S4: Assemble the oil ring and gasket on the workpiece for the second time, and assemble the circlip;

[0023] S5: After drawing test, collect the material.

[0024] Due to the adoption of the above technical solution, the present invention has the following technical advancements compared to the prior art:

[0025] 1. The present invention provides an automatic assembly production line for fans, which is used to transport fans through a motor chain and sprocket positioning fixture to facilitate assembly of the fans. A chain is used to move the workpiece on the positioning fixture to different workstations for assembly. During the assembly of the fan, the workpiece is limited by a block and a side pressure block to prevent it from falling during transportation. A fourth cylinder, a second movable seat, and two second clamping blocks are used to clamp the upper cover on the workpiece. A photoelectric sensor is used to position the workpiece to make the fastening of the upper cover more convenient.

[0026] 2. The present invention provides an automatic assembly production line for fans, in which a movable seat and a clamping block are driven up and down by a cylinder, and a pair of clamping blocks are used to clamp a workpiece. A second cylinder is extended and retracted to drive a drawing block to move, so that the drawing block performs a drawing test on the workpiece. A photoelectric sensor is used to position the workpiece, making the clamping of the clamping block more convenient.

[0027] 3. The present invention provides an automatic fan assembly production line, which limits the workpiece by a positioning block, uses a light receiver and a light projector to detect the workpiece to prevent the workpiece from falling during the loading and conveying process, and the three-stage extension and contraction of the cylinder drives the fixed block and the dispensing gun to move downward, so that the dispensing gun can dispense glue on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the present invention;

[0029] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0030] Figure 3 This is a schematic structural diagram of the ring wire assembly of the present invention;

[0031] Figure 4 This is a structural schematic diagram of the ring wire assembly of the present invention from another perspective;

[0032] Figure 5 This is a structural diagram of the finished product receiving mechanism of the present invention;

[0033] Figure 6 This is a structural schematic diagram of the finished product receiving mechanism of the present invention from another perspective;

[0034] Figure 7 It is a schematic structural diagram of the positioning mechanism of the present invention;

[0035] Figure 8 It is a schematic diagram of the structure of the dispensing component of the present invention;

[0036] Figure 9 This is a schematic structural diagram of the cover-fastening mechanism of the present invention;

[0037] Figure 10 The figure is a schematic diagram of the structure of the fan automatic assembly process of the present invention.

[0038] In the figure: 1. Chassis frame; 2. Upper cover conveying mechanism; 3. Protective cover; 4. Material receiving assembly; 5. Workpiece conveying mechanism; 6. Buckling cover mechanism; 61. Bracket 2; 62. Horizontal plate 2; 63. Drag chain 2; 64. Moving block 2; 65. Cylinder 4; 66. Moving seat 2; 67. Clamping block 2; 68. Positioning seat; 69. Photoelectric sensor; 7. Finished product receiving mechanism; 71. Bracket 1; 72. Horizontal plate 1; 73. Drag chain 1; 74. Moving block 1; 75. Cylinder 1; 76. Moving seat 1; 77. Clamping block 1; 78. Support plate; 79. Cylinder 2; 710. Drawing block; 711. Placement plate; 8. Ring wire assembly Parts; 81. Ring seat; 82. Motor; 83. Sprocket; 84. Chain; 85. Rotating shaft; 86. Cylinder four; 87. Positioning fixture; 871. Stop block; 872. Side pressure block; 88. Output arm; 89. Positioning arm; 810. Guide rod; 9. Positioning mechanism; 91. Positioning block; 92. Mounting block; 93. Projector; 94. Photoreceiver; 10. Glue dispensing assembly; 101. Column; 102. Crossbar; 103. Cylinder three; 104. Fixing block; 105. Glue dispensing gun; 11. Light curtain assembly; 12. Fan blade feeding mechanism; 13. Oil ring feeding mechanism; 14. Gasket feeding mechanism; 15. Circlip feeding mechanism. DETAILED DESCRIPTION

[0039] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0040] like Figure 1As shown, a fan automatic assembly production line is shown, the left side of the upper surface of the chassis frame 1 is fixedly installed with a buckle cover mechanism 6, the left side of the buckle cover mechanism 6 is fixedly installed with a cover conveying mechanism 2, the front side of the upper surface of the chassis frame 1 is fixedly installed with a workpiece conveying mechanism 5 to convey the workpiece, the right side of the workpiece conveying mechanism 5 and the upper cover conveying mechanism 2 are fixedly installed with a positioning mechanism 9 to facilitate the loading of fan blades, the left side of the upper surface of the chassis frame 1 is fixedly installed with a glue dispensing component 10 for dispensing glue on the workpiece, the right side of the upper surface of the chassis frame 1 is fixedly installed with a finished product receiving mechanism 7, the right side of the finished product receiving mechanism 7 is provided with a receiving component 4, the upper surface of the chassis frame 1 is fixedly installed with a ring line component 8, the upper surface of the chassis frame 1 is fixed A protective cover 3 is fixedly installed to play a protective role. An oil ring feeding mechanism 13 and a gasket feeding mechanism 14 are fixedly installed on the front and rear sides of the upper surface of the chassis frame 1 respectively. A retaining spring feeding mechanism 15 is fixedly installed on the right side of the rear side of the upper surface of the chassis frame 1. A light curtain assembly 11 is fixedly installed on the left side of the upper surface of the chassis frame 1. A fan blade feeding mechanism 12 is fixedly installed on the front side of the right side of the upper surface of the chassis frame 1. The annular wire assembly 8 includes two rotating shafts 85, an annular seat 81 and a motor 82. The lower surface of the annular seat 81 is fixedly installed on the upper surface of the chassis frame 1. The lower ends of the two rotating shafts 85 are respectively rotatably connected to the left and right sides of the upper surface of the chassis frame 1, and the upper ends of the two rotating shafts 85 are fixedly connected to the sprocket 8 3. The output end of the motor 82 passes through the chassis frame 1 and is fixedly connected to the bottom end of the left rotating shaft 85. The outer surfaces of the two sprockets 83 are engaged with a chain 84. The buckle cover mechanism 6 includes a bracket 2 61. The lower surfaces of the two brackets 2 61 are fixedly installed with the left and right sides of the upper surface of the chassis frame 1 respectively. The two opposite sides of the two brackets 2 61 are fixedly installed with a horizontal plate 2 62. The finished product receiving mechanism 7 includes a bracket 1 71. The lower surfaces of the two brackets 1 71 are fixedly installed with the left and right sides of the upper surface of the chassis frame 1 respectively. The opposite side of the two brackets 1 71 is fixedly installed with a horizontal plate 1 72. The upper surface of the horizontal plate 1 72 is movably connected with a drag chain 1 73. One side of the horizontal plate 1 72 is slidably connected with a movable Block 74, a cylinder 75 is fixedly mounted on the outer surface of the moving block 74, the output end of the cylinder 75 passes through the moving block 74 and is fixedly connected to a moving seat 76, the rear side of the upper surface of the moving block 74 is fixedly connected to the left side of the lower surface of the drag chain 73, the front and rear sides of the lower surface of the moving seat 76 are slidably connected to a clamping block 77, the positioning mechanism 9 includes a positioning block 91, the lower surface of the positioning block 91 is fixedly mounted to the right side of the upper surface of the workpiece conveying mechanism 5, the dispensing component 10 includes a column 101, the lower surface of the column 101 is fixedly mounted to the left side of the upper surface of the chassis frame 1, the inner wall of the column 101 is fixedly connected to a cross bar 102, and the left end of the cross bar 102 is fixedly mounted with a cylinder three 103.

[0041] The fan blades are conveyed to the right side by the workpiece conveying mechanism 5, and are positioned by the positioning mechanism 9. The fan blades are clamped and placed on the annular wire assembly 8 by the fan blade feeding mechanism 12, and the oil ring and gasket are assembled for the first time by the front oil ring feeding mechanism 13 and the gasket feeding mechanism 14. The workpiece is conveyed to the left side by the annular wire assembly 8, and the workpiece is glued by the glue dispensing assembly 10. The upper cover is buckled on the workpiece by the buckling cover mechanism 6, and then conveyed to the rear side by the annular wire assembly 8, and the oil ring and gasket are assembled for the second time by the rear oil ring feeding mechanism 13 and the gasket feeding mechanism 14, and the retaining spring feeding mechanism 15 is used to assemble the retaining spring. The workpiece is subjected to a pull-out test by the finished product receiving mechanism 7. After the pull-out test, the workpiece falls on the left side of the receiving assembly 4. The finished fan is received by the receiving assembly 4, and the automatic assembly and testing of the fan are completed.

[0042] like Figure 2-Figure 4 As shown, the outer surface of the annular seat 81 is slidably connected to a positioning fixture 87, and the side of the positioning fixture 87 close to the chain 84 is engaged with the chain 84, and the four sides of the upper surface of the positioning fixture 87 are fixedly connected with blocks 871, and the inner walls of the grooves on the four sides of the upper surface of the positioning fixture 87 are movably connected with two side pressure blocks 872, and the opposite sides of the inner side of the annular seat 81 are fixedly installed with positioning arms 89 through connecting frames, and the front and rear sides of the upper surface of the chassis frame 1 are fixedly installed with cylinder four 86, and the output ends of cylinder four 86 are fixedly connected with output arms 88, and the inner wall of one end of the output arm 88 is rotatably connected to the outer surface of the positioning arm 89, and the left and right ends of the positioning arm 89 are fixedly connected with guide rods 810.

[0043] The fan is transported by the motor 82, chain 84, sprocket 83 and positioning fixture 87 to facilitate assembly of the fan. The chain 84 is used to move the workpiece on the positioning fixture 87 to different workstations for assembly. During the assembly of the fan, the workpiece is limited by the block 871 and the side pressure block 872 to prevent the workpiece from falling during transportation.

[0044] like Figure 9 As shown, the upper surface of the horizontal plate 2 62 is movably connected with the drag chain 2 63, the two side surfaces of the horizontal plate 2 62 are slidably connected with the moving block 2 64, the outer surface of the moving block 2 64 is fixedly installed with the cylinder 4 65, the output end of the cylinder 4 65 passes through the moving block 2 64 and is fixedly connected with the moving seat 2 66, the rear side of the upper surface of the moving block 2 64 is fixedly connected to the left side of the lower surface of the drag chain 2 63, the front and rear sides of the lower surface of the moving seat 2 66 are slidably connected with the clamping block 2 67, the right side of the bracket 2 61 is fixedly installed with a positioning seat 68, and the lower end of the right side of the moving seat 2 66 is fixedly installed with a photoelectric sensor 69.

[0045] The cylinder 4 65 drives the movable seat 2 66 and the clamping block 2 67 to move up and down, and the two clamping blocks 2 67 are used to clamp the upper cover and buckle it on the workpiece, and the photoelectric sensor 69 is used to position the workpiece, making the buckling of the upper cover more convenient.

[0046] like Figure 5 、 Figure 6 、 Figure 9 As shown, a support plate 78 is fixedly installed on the front side of the lower surface of the bracket 1 71, a cylinder 2 79 is fixedly installed on the inner wall of the support plate 78, a pulling block 710 is fixedly connected to the output end of the cylinder 2 79, and a placement plate 711 is fixedly installed on the front side of the left side of the bracket 1 71.

[0047] The cylinder 1 75 drives the movable seat 1 76 and the clamping block 1 77 to move up and down, and the two clamping blocks 1 77 are used to clamp and collect the workpiece. The cylinder 2 79 is extended and retracted to drive the drawing block 710 to move, so that the drawing block 710 performs a drawing test on the workpiece.

[0048] like Figure 7 、 Figure 8 As shown, mounting blocks 92 are fixedly installed on the front and rear sides of the upper surface of the positioning mechanism 9, and a projector 93 and a light receiver 94 are fixedly installed on the opposite sides of the two mounting blocks 92 respectively. The output end of the cylinder three 103 is fixedly connected to the fixing block 104, and a glue gun 105 is fixedly installed on the left side of the fixing block 104.

[0049] The workpiece is limited by the positioning block 91, and the workpiece is detected by the light receiver 94 and the light projector 93 to prevent the workpiece from falling during the loading and conveying process. The cylinder three 103 is extended and retracted to drive the fixed block 104 and the dispensing gun 105 to move downward, so that the dispensing gun 105 dispenses glue on the workpiece.

[0050] like Figure 10 As shown, the fan automatic assembly production line includes the following steps:

[0051] S1: fan blade loading;

[0052] S2: Assemble the oil ring and gasket on the workpiece for the first time;

[0053] S3: After dispensing glue, buckle the upper cover onto the workpiece;

[0054] S4: Assemble the oil ring and gasket on the workpiece for the second time, and assemble the circlip;

[0055] S5: After drawing test, collect the material.

[0056] The working principle of the present invention is as follows: the fan blades are conveyed to the right side by the workpiece conveying mechanism 5, the positioning block 91 is used to position the fan blades by the cooperation of the projector 93 and the light receiver 94, the fan blades are clamped and placed on the positioning fixture 87 by the fan blade feeding mechanism 12, the fan blades are positioned by the block 871 and the side pressure block 872, the oil ring and the gasket are assembled for the first time by the front oil ring feeding mechanism 13 and the gasket feeding mechanism 14, the workpiece is conveyed to the left side by the annular wire assembly 8, the glue dispensing assembly 10 is used to dispense glue on the workpiece, the upper cover conveying mechanism 2 is used to convey the upper cover to the right side, the photoelectric sensor 69 is used to position the workpiece, the cylinder four 65 drives the movable seat two 66 clamping block two 67 to move up and down, and the two clamps are used to press the workpiece. Block 2 67 clamps the upper cover on the workpiece, and then transports it to the rear side through the chain 84 and the positioning fixture 87. The oil ring loading mechanism 13 and the gasket loading mechanism 14 on the rear side are used to perform the second assembly of the oil ring and the gasket, and the retaining spring loading mechanism 15 is used to assemble the retaining spring. The cylinder 1 75 drives the movable seat 1 76 and the clamping block 1 77 to move downward, and the two clamping blocks 1 77 are used to clamp the workpiece. The cylinder 1 75 moves upward, and the drag chain 1 73 drives the movable block 1 74 to move right, and the workpiece is placed on the placement plate 711. The cylinder 2 79 is extended and retracted to drive the pulling block 710 to move to perform a pulling test on the workpiece. After the pulling test, the workpiece falls on the left side of the receiving component 4, and the receiving component 4 is used to receive the finished fan, and the automatic assembly and testing of the fan can be completed.

[0057] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made based on the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A fan automatic assembly production line, comprising a chassis frame (1), characterized in that: A cover buckling mechanism (6) is fixedly mounted on the left side of the upper surface of the chassis frame (1), a cover conveying mechanism (2) is fixedly mounted on the left side of the cover buckling mechanism (6), a workpiece conveying mechanism (5) is fixedly mounted on the front side of the upper surface of the chassis frame (1), and a positioning mechanism (9) is fixedly mounted on the right sides of the workpiece conveying mechanism (5) and the cover conveying mechanism (2), a glue dispensing assembly (10) is fixedly mounted on the left side of the upper surface of the chassis frame (1), a finished product receiving mechanism (7) is fixedly mounted on the right side of the upper surface of the chassis frame (1), and a finished product receiving mechanism (7) is arranged on the right side of the finished product receiving mechanism (7). A receiving assembly (4) is provided, a ring wire assembly (8) is fixedly mounted on the upper surface of the chassis frame (1), a protective cover (3) is fixedly mounted on the upper surface of the chassis frame (1), an oil ring feeding mechanism (13) and a gasket feeding mechanism (14) are fixedly mounted on the front and rear sides of the upper surface of the chassis frame (1), a retaining spring feeding mechanism (15) is fixedly mounted on the right side of the rear side of the upper surface of the chassis frame (1), a light curtain assembly (11) is fixedly mounted on the left side of the upper surface of the chassis frame (1), and a fan blade feeding mechanism (12) is fixedly mounted on the front side of the right side of the upper surface of the chassis frame (1); The ring-shaped wire assembly (8) includes two rotating shafts (85), a ring-shaped seat (81) and a motor (82). The lower surface of the ring-shaped seat (81) is fixedly installed with the upper surface of the chassis frame (1). The lower ends of the two rotating shafts (85) are respectively rotatably connected to the left and right sides of the upper surface of the chassis frame (1). The upper ends of the two rotating shafts (85) are fixedly connected with sprockets (83). The output end of the motor (82) passes through the chassis frame (1) and is fixedly connected to the bottom end of the left rotating shaft (85). The outer surfaces of the two sprockets (83) are engaged with chains (84). The buckle cover mechanism (6) includes a bracket (61). The lower surfaces of the two brackets (61) are respectively fixedly installed with the left and right sides of the upper surface of the chassis frame (1). The two opposite side surfaces of the two brackets (61) are fixedly installed with a horizontal plate (6 2), the finished product receiving mechanism (7) includes a bracket (71), the lower surfaces of the two brackets (71) are fixedly installed with the left and right sides of the upper surface of the chassis frame (1), and the opposite sides of the two brackets (71) are fixedly installed with a horizontal plate (72), the upper surface of the horizontal plate (72) is movably connected with a drag chain (73), and one side of the horizontal plate (72) is slidably connected with a moving block (74), the outer surface of the moving block (74) is fixedly installed with a cylinder (75), the output end of the cylinder (75) passes through the moving block (74) and is fixedly connected with a moving seat (76), the rear side of the upper surface of the moving block (74) is fixedly connected to the left side of the lower surface of the drag chain (73), and the front and rear sides of the lower surface of the moving seat (76) are slidably connected with a clamping block (77); The positioning mechanism (9) includes a positioning block (91), the lower surface of the positioning block (91) is fixedly mounted on the right side of the upper surface of the workpiece conveying mechanism (5), the dispensing assembly (10) includes a column (101), the lower surface of the column (101) is fixedly mounted on the left side of the upper surface of the chassis frame (1), the inner wall of the column (101) is fixedly connected to a cross bar (102), and the left end of the cross bar (102) is fixedly mounted with a cylinder three (103).

2. The fan automatic assembly production line according to claim 1, characterized in that: The outer surface of the annular seat (81) is slidably connected to a positioning fixture (87), and the positioning fixture (87) is engaged with the chain (84) on a side close to the chain (84).

3. The fan automatic assembly production line according to claim 2, characterized in that: The four sides of the upper surface of the positioning fixture (87) are fixedly connected with stoppers (871), and the inner walls of the grooves on the four sides of the upper surface of the positioning fixture (87) are movably connected with two side pressure blocks (872).

4. The fan automatic assembly production line according to claim 1, characterized in that: Positioning arms (89) are fixedly mounted on opposite sides of the inner side of the annular seat (81) via a connecting frame, and cylinders (86) are fixedly mounted on the front and rear sides of the upper surface of the chassis frame (1), and the output ends of the cylinders (86) are fixedly connected to output arms (88), and the inner wall of one end of the output arm (88) is rotatably connected to the outer surface of the positioning arm (89), and the left and right ends of the positioning arm (89) are fixedly connected to guide rods (810).

5. The fan automatic assembly production line according to claim 1, characterized in that: The upper surface of the second transverse plate (62) is movably connected to the second drag chain (63), and the two side surfaces of the second transverse plate (62) are slidably connected to the second moving block (64). The outer surface of the second moving block (64) is fixedly installed with the fourth cylinder (65), and the output end of the fourth cylinder (65) passes through the second moving block (64) and is fixedly connected to the second moving seat (66). The rear side of the upper surface of the second moving block (64) is fixedly connected to the left side of the lower surface of the second drag chain (63), and the front and rear sides of the lower surface of the second moving seat (66) are slidably connected to the second clamping block (67). The right side of the second bracket (61) is fixedly installed with a positioning seat (68), and the lower end of the right side of the second moving seat (66) is fixedly installed with a photoelectric sensor (69).

6. The fan automatic assembly production line according to claim 1, characterized in that: A support plate (78) is fixedly installed on the front side of the lower surface of the bracket one (71), a cylinder two (79) is fixedly installed on the inner wall of the support plate (78), a drawing block (710) is fixedly connected to the output end of the cylinder two (79), and a placement plate (711) is fixedly installed on the front side of the left side of the bracket one (71).

7. The fan automatic assembly production line according to claim 1, characterized in that: Mounting blocks (92) are fixedly mounted on the front and rear sides of the upper surface of the positioning mechanism (9), and a light projector (93) and a light receiver (94) are fixedly mounted on opposite sides of the two mounting blocks (92).

8. The fan automatic assembly production line according to claim 1, characterized in that: The output end of the cylinder three (103) is fixedly connected to a fixed block (104), and a glue gun (105) is fixedly installed on the left side of the fixed block (104).

9. The fan automatic assembly production line according to claim 1, characterized in that: The fan automatic assembly line includes the following steps: S1: fan blade loading; S2: Assemble the oil ring and gasket on the workpiece for the first time; S3: After dispensing glue, buckle the upper cover onto the workpiece; S4: Assemble the oil ring and gasket on the workpiece for the second time, and assemble the circlip; S5: After drawing test, collect the material.

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