Fan twist cap assembly labeling machine

Abstract

The application discloses a fan twist cover assembly labeling machine, which comprises a rack, a rotary conveying line, a pressing mechanism, a positioning die seat provided with a positioning structure, a feeding conveying line, a feeding twist cover manipulator, a labeling mechanism, a discharging conveying line and a discharging manipulator. The rotary conveying line comprises a rotary chain, a rotary driver, a plurality of supporting seats each provided with a positioning structure and a positioning driver provided with a positioning structure; the pressing mechanism comprises a first pressing assembly and a second pressing assembly; the positioning die seat is arranged beside a side of the second pressing assembly which is opposite to the rotary chain; the feeding twist cover manipulator is horizontally arranged above the feeding conveying line, the positioning die seat and the rotary chain; the labeling mechanism is adjacent to the feeding twist cover manipulator; and the discharging manipulator is horizontally arranged above the discharging conveying line and the rotary chain, so as to realize the purposes of automatic feeding of the upper cover, automatic twist and cooperation of the upper cover and the fan body to obtain the fan, automatic labeling of the upper cover of the fan and automatic discharging of the fan after labeling.

Description

Technical Field

[0001] This invention relates to an assembly device, and more particularly to a fan twist cap assembly and labeling machine. Background Technology

[0002] As we all know, air-conditioned clothing has two small fans installed on the left and right waists of the upper garment. These fans draw outdoor air into the clothing and absorb the heat from the body surface through the vaporization heat that causes sweat to evaporate, thus cooling the body. It is a product that makes people feel cool and comfortable, so air-conditioned clothing cannot function without the use of fans.

[0003] Currently, the fans used in air-conditioned clothing are 200 liters. Figure 1 As shown, it mainly consists of a fan body 210 and an upper cover 220 that is screwed together with the fan body 210; while the fan body 210 consists of a bottom cover 211 and a fan blade 212 that is assembled and connected to the bottom cover 211.

[0004] In order to facilitate understanding of the fan information, a label needs to be affixed to the top cover of the fan.

[0005] However, in existing fans, the operation of tightening the fan body and the top cover, as well as the labeling of the top cover, are all done manually by the operator, which is inefficient and cannot meet the needs of automated operation.

[0006] Therefore, there is an urgent need for a fan-operated twist-cap assembly and labeling machine to overcome the above-mentioned defects. Summary of the Invention

[0007] The purpose of this invention is to provide a fan cap assembly and labeling machine, so as to achieve the automatic and accurate loading of the cap to the position that matches the fan body, the automatic and reliable tightening of the cap and the fan body to obtain the fan, the automatic labeling of the cap onto the fan, and the automatic unloading of the labeled fan.

[0008] To achieve the above objectives, the fan cap twisting assembly and labeling machine of the present invention includes a frame, a rotary conveyor line, a pressing mechanism, a positioning mold base, a feeding conveyor line, a feeding cap twisting robot, a labeling mechanism, a discharging conveyor line, and a discharging robot. The rotary conveyor line is mounted on the frame and includes a rotary chain, a rotary driver that drives the rotary chain to rotate horizontally, a plurality of supports spaced apart on the rotary chain along the rotation direction of the rotary chain and used to support the fan body, and a positioning driver located below the supports and arranged vertically. The supports are provided with a fitting structure located next to the outer side of the rotary chain, and the output end of the positioning driver is equipped with a positioning structure for positioning and cooperating with the fitting structure. The pressing mechanism includes a first pressing component located next to the inner side of the rotary chain and a second pressing component located next to the outer side of the rotary chain and arranged opposite to the first pressing component. When the positioning structure and the fitting structure are engaged, the second pressing component, together with the first pressing component, clamps the fan body on the corresponding support. The positioning mold is arranged next to the side of the second pressing component facing away from the rotary chain, and the positioning mold has a positioning structure for positioning the upper cover. The feeding conveyor line is arranged next to the side of the positioning mold facing away from the second pressing component, and the feeding conveyor line is used to transport the upper cover towards the positioning mold. The feeding and twisting robot spans above the feeding conveyor line, the positioning mold, and the rotary chain. The feeding and twisting robot is used to transfer the upper cover transported by the feeding conveyor line to the positioning structure, and simultaneously transfer the upper cover at the positioning structure to the fan body clamped by the first and second pressing components, and twist it tightly with the fan body to obtain the fan. The labeling mechanism is located beside the outer side of the rotary chain and adjacent to the loading and unloading robot along the rotation direction of the rotary chain. The labeling mechanism is used to affix labels to the upper cover of the fan conveyed by the rotary chain. The unloading conveyor line is located beside the opposite outer side of the rotary chain. The unloading robot spans the unloading conveyor line and the rotary chain, and is used to transfer the labeled fan conveyed by the rotary chain to the unloading conveyor line.

[0009] Compared with existing technologies, the loading and unloading manipulator achieves better synchronization and higher efficiency because it simultaneously transfers the top cover from the loading conveyor to the positioning structure and the top cover at the positioning structure to the fan body clamped by the first and second pressing components. More importantly, before the fan body and top cover are tightened together, the loading and unloading manipulator uses a positioning driver to position the support on the rotary chain and clamp the fan body on the support to the pressing mechanism, effectively ensuring the accuracy and reliability of the positions of the top cover and fan body before tightening, thus improving the quality of the top cover and fan body twisting assembly. Similarly, before the labeling mechanism labels the top cover of the fan on the support conveyed by the rotary chain and before the labeled fan is transferred to the unloading conveyor, the positioning driver fixes the support through the cooperation of the positioning structure and the matching structure, thereby improving the accuracy and reliability of automatic labeling and automatic unloading.

[0010] Preferably, the fan cap assembly and labeling machine of the present invention further includes an annular guide rail mounted on the frame and arranged around the rotary chain. The outer side wall of the annular guide rail is provided with an annular groove arranged around the rotary chain. The support is correspondingly equipped with guide rollers embedded in the annular grooves and rolling along the annular grooves. The guide rollers on the support are a plurality of rollers arranged spaced apart from each other along the rotation direction of the rotary chain.

[0011] Preferably, the positioning structure on the support is located between the guide rollers on the support along the rotation direction of the rotary chain; the positioning structure is a column arranged in a flat position, and the positioning structure is a positioning groove with the slot facing upward; the output end of the positioning driver is arranged upward.

[0012] Preferably, each of the supports corresponds to one of the positioning drivers, and the positioning structure is mounted on the output end of each of the positioning drivers.

[0013] Preferably, the frame is further provided with a cover plate for covering the rotary chain from above.

[0014] Preferably, the loading and twisting cap robot includes a horizontal transfer module, a horizontal slide, a first lifting assembly mounted on one side of the horizontal slide, a gripping assembly mounted on the first lifting assembly, a second lifting assembly mounted on the other side of the horizontal slide, and a twisting cap assembly mounted on the second lifting assembly. The horizontal transfer module spans over the loading conveyor line, the positioning module, and the rotary chain.

[0015] Preferably, the frame is provided with a first support stand located next to one side of the positioning mold base and a second support stand located next to the opposite side of the positioning mold base. Both the first support stand and the second support stand are higher than the positioning mold base. The horizontal transfer module is assembled on the top of the first support stand. The top of the second support stand is provided with a horizontal guide rail. The horizontal slide is located above the positioning mold base and is slidably connected to the horizontal guide rail.

[0016] Preferably, the gripping component and the twisting cap component are two separate arrangements in the opposite direction of the first support frame and the second support frame, and the gripping component and the twisting cap component are both located in the gap enclosed by the first support frame and the second support frame.

[0017] Preferably, the unloading robot includes a horizontal transfer mechanism spanning both the unloading conveyor line and the rotary chain, a lifting mechanism mounted on the horizontal transfer mechanism, and a gripping mechanism mounted on the lifting mechanism, wherein the gripping mechanism is suspended on the horizontal transfer mechanism by means of the lifting mechanism.

[0018] Preferably, the feeding conveyor line and the unloading conveyor line are arranged in horizontal straight lines, and the feeding conveyor line is also parallel to the unloading conveyor line. Attached Figure Description

[0019] Figure 1 This is an exploded perspective view of a fan to be assembled and labeled using the fan cap twisting and labeling machine of the present invention.

[0020] Figure 2 This is a perspective view of the fan twist cover assembly and labeling machine of the present invention.

[0021] Figure 3 yes Figure 2 The image shown is a top-to-bottom view of the fan twist cap assembly and labeling machine.

[0022] Figure 4 yes Figure 3 Plan view after concealing the loading and unloading conveyor lines.

[0023] Figure 5 It is a three-dimensional view showing the rotary conveyor line assembled on the frame.

[0024] Figure 6 yes Figure 5 Enlarged view of part A in the middle.

[0025] Figure 7 yes Figure 5 A three-dimensional view from another angle.

[0026] Figure 8 yes Figure 7Enlarged view of section B.

[0027] Figure 9 yes Figure 5 A floor plan viewed in the direction indicated by arrow C.

[0028] Figure 10 It is a 3D view showing the loading and unloading robot and the positioning mold base.

[0029] Figure 11 yes Figure 10 A three-dimensional view from another angle.

[0030] Figure 12 It displays a 3D image of the unloading robot. Detailed Implementation

[0031] The preferred embodiments of the present invention will now be described with reference to the accompanying drawings.

[0032] Please see Figure 2 and Figure 4 The fan cap twisting and labeling machine 100 of the present invention includes a frame 10, a rotary conveyor line 20, a pressing mechanism 30, a positioning mold base 40, a feeding conveyor line 50, a feeding twisting robot 60, a labeling mechanism 70a, a discharging conveyor line 70b, and a discharging robot 80; optionally, in Figures 2 to 4 In the example shown, the rack 10 is square. Obviously, depending on the actual needs, the rack 10 can also be made in other shapes well known in the art, so it is not considered a square shape. Figures 2 to 4 The above is the limit.

[0033] Combined Figures 5 to 8 The rotary conveyor 20 is mounted on the frame 10, which provides support for the rotary conveyor 20. The rotary conveyor 20 includes a rotary chain 21, a rotary driver 22 that drives the rotary chain 21 to rotate horizontally, multiple supports 23 spaced apart along the rotation direction of the rotary chain 21 and used to support the fan body 210, and positioning drivers 24 located below the supports 23 and arranged vertically. The supports 23 have a mounting structure 231 located beside the outer side of the rotary chain 21, and the output end 241 of the positioning driver 24 is equipped with a positioning structure 242 for positioning and engaging with the mounting structure 231; alternatively, it can be combined with... Figure 4 and Figure 5As an example, the fitting structure 231 is a horizontally arranged column, and the positioning structure 242 is a positioning groove with the slot facing upwards. This design makes the engagement or disengagement between the positioning structure 242 and the fitting structure 231 smoother and more convenient. Furthermore, the output end 241 of the positioning driver 24 is arranged upwards to simplify the assembly relationship between the output end 241 of the positioning driver 24 and the positioning structure 242. Obviously, depending on actual needs, the specific structures of the fitting structure 231 and the positioning structure 242, as well as the orientation of the output end 241 of the positioning driver 24, can be other than those specified. Figure 5 The above is the limit.

[0034] The pressing mechanism 30 includes a first pressing component 31 located next to the inner side of the rotary chain 21 and a second pressing component 32 located next to the outer side of the rotary chain 21 and arranged opposite to the first pressing component 31. When the positioning structure 242 and the fitting structure 231 are engaged, the second pressing component 32 and the first pressing component 31 together clamp the fan body 210 on the corresponding support 23, preparing for the screw-on engagement of the fan body 210 and the upper cover 220. Optionally, in Figure 4 In this example, the first pressing assembly 31 and the second pressing assembly 32 have the same structure, both including a pressing cylinder and a pressing block assembled at the output end of the pressing cylinder, to simplify the structure of the first pressing assembly 31 and the second pressing assembly 32. Obviously, depending on actual needs, the specific structure of the first pressing assembly 31 and the second pressing assembly 32 can also be other structures well known in the art, so they will not be described in detail here. In addition, the first pressing assembly 31 and the second pressing assembly 32 are also assembled and connected to the frame 10. Furthermore, it should be noted that the "corresponding support 23" at this time refers to the support 23 that follows the rotating chain 21 to the space between the first pressing assembly 31 and the second pressing assembly 32.

[0035] The positioning mold base 40 is arranged next to the side of the second pressing assembly 32 opposite to the rotary chain 21, as shown in the figure. Figure 4 As shown; the positioning mold base 40 is provided with a positioning structure 41 for positioning the upper cover 220, the state of which is shown in the figure. Figure 10 As shown; alternatively, at Figure 10 In the example shown, the positioning structures 41 are two spaced apart, so that the positioning mold base 40 can position two upper covers 220 at a time. Obviously, depending on actual needs, the number of positioning structures 41 can also be one or three, so it is not limited to one. Figure 10 As shown, the positioning mold base 40 is also assembled and connected to the frame 10.

[0036] The feeding conveyor line 50 is arranged next to the positioning mold base 40 on the side opposite to the second pressing assembly 32, as shown in the figure. Figure 3As shown; the feeding conveyor line 50 is used to transport the upper cover 220 towards the positioning mold base 40 to meet the need for automatic feeding of the upper cover 220 to the positioning mold base 40; optionally, in Figure 2 and Figure 3 In the example shown, the feeding conveyor line 50 is a belt conveyor line. Obviously, depending on actual needs, the feeding conveyor line 50 can also be other types of conveyor lines, so it is not considered as such. Figure 2 and Figure 3 The above is the limit.

[0037] The loading and twisting cover robot 60 spans above the loading conveyor line 50, the positioning mold base 40, and the rotary chain 21. The loading and twisting cover robot 60 is used to transfer the top cover 220 conveyed by the loading conveyor line 50 to the positioning structure 41. At the same time, the loading and twisting cover robot 60 also transfers the top cover 220 at the positioning structure 41 to the fan body 2110 clamped by the first pressing component 31 and the second pressing component 32, and twists the top cover 220 and the fan body 210 together to form the fan 200. Optionally, as an example, the loading and twisting cover robot 60 is also assembled and connected to the frame 10.

[0038] The labeling mechanism 70a is arranged next to the outside of the rotary chain 21 and adjacent to the loading and twisting cover robot 60 along the rotation direction of the rotary chain 21. The labeling mechanism 70a is used to affix labels to the upper cover 220 of the fan 200 conveyed by the rotary chain 21, so as to achieve the purpose of automatically labeling the upper cover 220 of the fan 200 that follows the rotary chain 21 to the labeling mechanism 70a. Alternatively, as an example, the labeling mechanism 70a is also assembled and connected to the frame 10.

[0039] The unloading conveyor 70b is arranged next to the opposite outer side of the rotary chain 21, so that the unloading conveyor 70b and the loading conveyor 50 are arranged opposite each other, thereby meeting the operational requirements of loading from one outer side of the rotary chain 21 and unloading from the other outer side. See the attached diagram. Figure 2 and Figure 3 As shown; alternatively, at Figure 2 and Figure 3 In the example shown, the unloading conveyor line 70b is a belt conveyor line. Obviously, depending on actual needs, the unloading conveyor line 70b can also be other types of conveyor lines, so it is not considered as such. Figure 2 and Figure 3 As shown, the unloading conveyor line 70b and the loading conveyor line 50 are each arranged in a horizontal straight line so that they are parallel to each other.

[0040] The unloading robot 80 spans the unloading conveyor line 70b and the rotary chain 21. The unloading robot 80 is used to transfer the labeled fan 200, conveyed by the rotary chain 21, to the unloading conveyor line 80, from which the fan 200 is delivered to the fan cap assembly and labeling machine 100 of the present invention. More specifically, as follows:

[0041] like Figures 5 to 8 As shown, as an example, the fan cap assembly and labeling machine 100 of the present invention further includes an annular guide rail 90 mounted on the frame 10 and arranged around the rotary chain 21. The outer wall of the annular guide rail 90 is provided with an annular groove 91 arranged around the rotary chain 21. A guide roller 232, correspondingly fitted into the annular groove 91 and rolling along the annular groove 91, is mounted on the support seat 23. By means of the cooperation between the guide roller 232 and the annular groove 91, the support strength of the support seat 23 is increased, and the smoothness and stability of the support seat 23 as it rotates with the rotary chain 21 are improved, avoiding defects such as jamming and jumping during the rotation process. Specifically, in Figure 9 In the example shown, the guide rollers 232 on the support 23 are two arranged spaced apart from each other along the rotation direction of the rotary chain 21; obviously, depending on actual needs, the guide rollers 232 on the support 23 can also be three or four, so it is not considered that... Figure 9 As shown, the positioning structure 231 on the support 23 is located between the guide rollers 232 on the support 23 along the rotation direction of the rotary chain 21, so as to effectively improve the accuracy of the positioning of the support 23 by the positioning driver 24. In addition, each support 23 corresponds to one positioning driver 24, and each positioning driver 24 has a positioning structure 242 mounted on its output end 241; this design allows for positioning from various positions in the rotation direction of the rotary chain 21, so as to better meet the positioning requirements of the corresponding support 23 before the loading and unloading of the cap twisting mechanism 60, before the labeling of the labeling mechanism 70a, and before the unloading of the unloading robot 80, thereby improving the reliability of the operation of the fan cap twisting assembly and labeling machine 100 of the present invention. More specifically, in Figure 5 As an example, the frame 10 is also provided with a cover plate 11 for covering the rotary chain 21 from above. With the help of the cover plate 11, materials can be prevented from falling into the rotary chain 21 from above, and the rotary chain 21 can be prevented from getting stuck or even damaged during rotation due to materials falling into it.

[0042] like Figure 3 , Figure 4 , Figure 10 and Figure 11As shown in the illustration, the loading and unloading manipulator 60 includes a horizontal transfer module 61, a horizontal slide 62, a first lifting assembly 63 mounted on one side of the horizontal slide 62, a gripping assembly 64 mounted on the first lifting assembly 63, a second lifting assembly 65 mounted on the other side of the horizontal slide 62, and an unloading assembly 66 mounted on the second lifting assembly 64. The horizontal transfer module 61 spans above the loading conveyor line 50, the positioning mold base 40, and the rotary chain 21. This design ensures that when the gripping assembly 64 is driven by the horizontal transfer module 61 through the horizontal slide 62 to a position directly above the cap 220 transported by the loading conveyor line 50, the unloading assembly 66 is positioned directly above the positioning structure 41 of the positioning mold base 40. This satisfies the requirements of the gripping assembly 64 gripping the cap 220 transported by the loading conveyor line 50 and the unloading assembly 66. The gripping of the fan body 210 positioned by the positioning structure 41 is synchronized; similarly, when the gripping component 64 is driven by the horizontal transfer module 61 through the horizontal slide 62 to come directly above the positioning structure 41, the cap-twisting component 66 comes directly above the corresponding support 23, thus ensuring that the gripping component 64 places the upper cover 220 on the positioning structure 41 and the cap-twisting component 66 tightens the gripped upper cover 220 to the fan body 210 simultaneously; thus improving work efficiency. Specifically, in Figure 10 and Figure 11 As an example, the frame 10 is provided with a first support stand 12 located next to one side of the positioning mold base 40 and a second support stand 13 located next to the opposite side of the positioning mold base 40. Both the first support stand 12 and the second support stand 13 are higher than the positioning mold base 40. The horizontal transfer module 61 is assembled on the top of the first support stand 12, and the top of the second support stand 13 is provided with a horizontal guide rail 14. The horizontal slide 62 is located above the positioning mold base 40 and is slidably connected to the horizontal guide rail 14. This design makes the horizontal slide 62 slidably connected to the horizontal guide rail 14 in the opposite direction of the first support stand 12 and the second support stand 13 (see...). Figure 10The horizontal slide 62 is supported on both sides (as indicated by the double arrow E), thereby improving its support capacity for the first lifting assembly 63, gripping assembly 64, second lifting assembly 65, and twisting cover assembly 66, thus ensuring the reliability of their operation. Furthermore, the gripping assembly 64 and the twisting cover assembly 66 are arranged separately in opposite directions from the first support frame 12 and the second support frame 13 to improve the transfer efficiency of the top cover 220 and the twisting effect of the top cover 220. Both the gripping assembly 64 and the twisting cover assembly 66 are located within the gap 15 enclosed by the first support frame 12 and the second support frame 13, which provide protection for their operation. For example, the horizontal transfer module 61 and the second lifting assembly 65 are each composed of a motor, a lead screw and a lead screw nut, and the first lifting assembly 63 is composed of a cylinder or a hydraulic cylinder; the gripping assembly 64 is a pneumatic gripper, and the cap twisting assembly 66 is composed of a motor, a lead screw, a lead screw nut and a pneumatic gripper, but is not limited thereto.

[0043] like Figure 12 As shown, as an example, the unloading robot 80 includes a horizontal transfer mechanism 81 spanning both the unloading conveyor line 70b and the rotary chain 21, a lifting mechanism 82 mounted on the horizontal transfer mechanism 81, and a gripping mechanism 83 mounted on the lifting mechanism 82. The gripping mechanism 83 is suspended on the horizontal transfer mechanism 81 by means of the lifting mechanism 82, as shown in the diagram. Figure 12 As shown; this design makes the unloading robot 80 a structure with three degrees of freedom: X, Y and Z; for example, the horizontal transfer mechanism 81 is a structure composed of a motor, a lead screw and a lead screw nut, the lifting mechanism 82 is a structure composed of a cylinder or a hydraulic cylinder, and the gripping mechanism 83 is a structure composed of pneumatic grippers, but not limited to these.

[0044] Compared with the prior art, the loading and twisting cap robot 60 has better synchronization and higher efficiency because it transfers the top cover 220 conveyed by the loading conveyor line 50 to the positioning structure 41 at the same time as it transfers the top cover 220 at the positioning structure 41 to the fan body 210 clamped by the first pressing component 31 and the second pressing component 32. More importantly, before the fan body 210 and the top cover 220 are twisted together, the loading and twisting cap robot 60 first uses the positioning driver 24 to position the support 23 on the rotary chain 21 and press the fan body 210 on the support 23. The clamping mechanism 30 effectively ensures the accuracy and reliability of the position of the upper cover 220 and the fan body 210 before they are twisted together, thus improving the quality of the twisted cover assembly of the upper cover 220 and the fan body 210. Similarly, before the labeling mechanism 70a labels the upper cover 220 of the fan 200 on the support seat 23 conveyed by the rotary chain 21, and before the labeled fan 200 is transferred to the unloading conveyor line 70b, the positioning driver 24 fixes the support seat 23 by the cooperation of the positioning structure 242 and the matching structure 231, thereby improving the accuracy and reliability of automatic labeling and automatic unloading.

[0045] It should be further noted that the aforementioned positioning actuator 24 can be a pneumatic cylinder or a hydraulic cylinder; additionally, the fan body 210 supported by the support 23 can be placed on the support 23 by an external robotic arm, which is located at position 16 between the rotary chain 21 and the top pressing mechanism 30 and the unloading robotic arm 80 (see...). Figure 4 Perform the material loading operation.

[0046] The above-disclosed examples are merely preferred embodiments of the present invention, intended to facilitate understanding and implementation by those skilled in the art. They should not be construed as limiting the scope of the present invention. Therefore, any equivalent variations made in accordance with the claims of the present invention are still within the scope of the present invention.

Claims

1. A fan cap assembly and labeling machine, characterized in that, include: frame; A rotary conveyor line, mounted on the frame, includes a rotary chain, a rotary driver that drives the rotary chain to rotate horizontally, multiple supports arranged at intervals along the rotation direction of the rotary chain and used to support the fan body, and positioning drivers located below the supports and arranged vertically. The supports are provided with a fitting structure located next to the outer side of the rotary chain, and the output end of the positioning drivers is equipped with a positioning structure for positioning and cooperating with the fitting structure. The pressing mechanism includes a first pressing component located next to the inner side of the rotary chain and a second pressing component located next to the outer side of the rotary chain and arranged opposite to the first pressing component. When the positioning structure and the fitting structure are positioned and engaged, the second pressing component, together with the first pressing component, clamps the fan body on the corresponding support seat. A positioning mold base is arranged next to the side of the second pressing assembly facing away from the rotary chain, and the positioning mold base is provided with a positioning structure for positioning the upper cover; A feeding conveyor line is arranged next to the side of the positioning mold base facing away from the second pressing component. The feeding conveyor line is used to transport the upper cover towards the positioning mold base. The loading and twisting cover robot spans above the loading conveyor line, the positioning mold base and the rotary chain. The loading and twisting cover robot is used to transfer the cover conveyed by the loading conveyor line to the positioning structure, and at the same time, it also transfers the cover at the positioning structure to the fan body clamped by the first pressing component and the second pressing component, and twists and engages with the fan body to obtain the fan. A labeling mechanism is arranged next to the outside of the rotary chain and adjacent to the loading and twisting cover robot along the rotation direction of the rotary chain. The labeling mechanism is used to affix labels to the top cover of the fan conveyed by the rotary chain. The unloading conveyor line is arranged on the opposite outer side of the rotary chain; and A material unloading robot spans the material unloading conveyor line and the rotary chain. The material unloading robot is used to transfer the labeled fans conveyed by the rotary chain to the material unloading conveyor line. Each of the support seats corresponds to one of the positioning drivers, and each of the positioning drivers is equipped with a positioning structure at its output end. The positioning structure is a positioning groove with the slot facing upwards, and the positioning structure is a column arranged in a flat position. The fan twist cap assembly and labeling machine further includes a circular guide rail mounted on the frame and arranged around the rotary chain. The outer side wall of the circular guide rail is provided with a circular groove arranged around the rotary chain. The support is correspondingly equipped with guide rollers embedded in the circular grooves and rolling along the circular grooves. The guide rollers on the support are a plurality of rollers arranged spaced apart from each other along the rotation direction of the rotary chain. The loading and twisting cap robot includes a horizontal transfer module, a horizontal slide, a first lifting component mounted on one side of the horizontal slide, a gripping component mounted on the first lifting component, a second lifting component mounted on the other side of the horizontal slide, and a twisting cap component mounted on the second lifting component. The horizontal transfer module spans over the loading conveyor line, the positioning module, and the rotary chain.

2. The fan twist cap assembly and labeling machine according to claim 1, characterized in that, The mounting structure on the support is located between the guide rollers on the support along the rotation direction of the rotary chain; the output end of the positioning driver is arranged upwards.

3. The fan twist cap assembly and labeling machine according to claim 1, characterized in that, The frame is also provided with a cover plate for covering the rotating chain from above.

4. The fan twist cap assembly and labeling machine according to claim 1, characterized in that, The frame is provided with a first support stand located next to one side of the positioning mold base and a second support stand located next to the opposite side of the positioning mold base. Both the first support stand and the second support stand are higher than the positioning mold base. The horizontal transfer module is assembled on the top of the first support stand. The top of the second support stand is provided with a horizontal guide rail. The horizontal slide is located above the positioning mold base and is slidably connected to the horizontal guide rail.

5. The fan twist cap assembly and labeling machine according to claim 4, characterized in that, The gripping component and the twisting cap component are two separate arrangements located in the opposite direction of the first support frame and the second support frame, and both the gripping component and the twisting cap component are located in the gap enclosed by the first support frame and the second support frame.

6. The fan twist cap assembly and labeling machine according to claim 1, characterized in that, The unloading robot includes a horizontal transfer mechanism spanning both the unloading conveyor line and the rotary chain, a lifting mechanism mounted on the horizontal transfer mechanism, and a gripping mechanism mounted on the lifting mechanism. The gripping mechanism is suspended on the horizontal transfer mechanism by means of the lifting mechanism.

7. The fan twist cap assembly and labeling machine according to claim 1, characterized in that, The loading conveyor line and the unloading conveyor line are each arranged in a horizontal straight line, and the loading conveyor line is also parallel to the unloading conveyor line.

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