Automatic assembly and riveting equipment for umbrella middle rod plastic parts

Abstract

The application discloses an automatic riveting equipment for assembling plastic parts of umbrella middle rods, which comprises an umbrella tube conveying mechanism for conveying each umbrella tube, a small knife assembly device, a first push rod device, a spring sheet assembly device, a second push rod device, a large knife assembly device, a middle slot assembly device, an outer tooth assembly device, an upper slot assembly device and a material shrinking device which are sequentially arranged along the feeding direction of the umbrella tube conveying mechanism; the small knife assembly device is used for assembling small knives into small tubes; the first push rod device is used for pushing the small tubes into middle tubes; the spring sheet assembly device is used for assembling spring sheets into the middle tubes; the second push rod device is used for pushing the middle tubes and the small tubes into large tubes and pulling the small tubes out of the large tubes; the middle slot assembly device is used for assembling middle slots; the large knife assembly device is used for assembling large knives into the small tubes; the outer tooth assembly device is used for assembling outer teeth on the large tubes and riveting; the upper slot assembly device is used for assembling upper slots on the small tubes and riveting; and the material shrinking device is used for shrinking the assembled umbrella middle rods and collecting the same.

Description

[0001] The present application claims priority to the Chinese patent application No. 202110787676.X filed on July 13, 2021 and entitled "Umbrella middle rod plastic part automatic assembly and riveting equipment", the whole content of which is incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of umbrella middle rod assembly, in particular to an umbrella middle rod plastic part automatic assembly and riveting equipment. BACKGROUND

[0003] The umbrella middle rod is composed of a large tube, a middle tube, a small tube and assembly plastic parts connected to each tube in turn. The existing umbrella middle rod assembly mainly first matches each umbrella tube together, then manually sets the upper groove, outer tooth and middle groove plastic parts on the umbrella tube, and finally takes the umbrella tube to the riveting mechanism to rivet the outer tooth and the upper groove. The process is very complicated and tedious. Manual operation is low in efficiency and long in assembly time, resulting in low production capacity of the umbrella middle rod. In addition, since the upper groove, outer tooth and other parts are small in size, manual assembly is prone to errors, resulting in insufficient assembly precision and easy production of defective products.

[0004] In view of the above problems, the present applicant has conducted in-depth research, and thus the present case is produced. SUMMARY

[0005] The main purpose of the present application is to provide an umbrella middle rod plastic part automatic assembly and riveting equipment, which can realize efficient automatic assembly of the umbrella middle rod, reduce labor pressure and labor cost, improve the assembly efficiency of the umbrella middle rod, and at the same time improve the assembly precision and assembly quality of the umbrella middle rod.

[0006] In order to achieve the above purpose, the solution of the present application is:

[0007] An umbrella middle rod plastic part automatic assembly and riveting equipment, comprising a middle groove assembly device, an outer tooth assembly device and an upper groove assembly device arranged in turn along the conveying direction of the umbrella tube; the middle groove assembly device comprises a middle groove loading block for fixing the middle groove, a middle groove push plate for pushing the middle groove and a middle groove push plate driving device for driving the movement of the middle groove push plate; the outer tooth assembly device comprises an outer tooth assembly sliding plate for fixing the outer tooth, an outer tooth sliding plate driving device for driving the horizontal sliding of the outer tooth assembly sliding plate and an outer tooth automatic riveting mechanism for riveting the outer tooth; the upper groove assembly device comprises an upper groove assembly rack, an upper groove assembly sliding block for driving the movement of the upper groove and a sliding block driving device, a positioning sliding block for positioning the upper groove and a positioning sliding block driving device, and an upper groove automatic riveting mechanism.

[0008] Compared with the prior art, the umbrella middle rod mechanical assembly production and automatic assembly and riveting of the plastic parts can be realized, the assembly efficiency of the umbrella middle rod and the assembly and riveting efficiency of the plastic parts are effectively improved, the labor cost is greatly reduced, and the assembly precision and assembly quality of the umbrella middle rod are improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a simple structure schematic diagram of the present application. Figure 2 It is a simple structure schematic diagram of the umbrella tube conveying mechanism. Figure 3 It is a structure schematic diagram of the conveying die holder. Figure 4 It is an appearance structure perspective view of the small closing knife assembly device. Figure 5 It is Figure 4 It is a partial enlarged view of the middle A area. Figure 6 It is an appearance structure perspective view of the first closing knife pushing device. Figure 7 It is an appearance structure perspective view of the small closing knife feeding device. Figure 8 It is an appearance structure perspective view of the second closing knife pushing device. Figure 9 It is an appearance structure perspective view of the first pushing rod device. Figure 10 It is Figure 9 It is a partial enlarged view of the middle B area. Figure 11 It is an appearance structure perspective view of the spring sheet assembly device. Figure 12 It is Figure 11 It is a partial enlarged view of the middle C area. Figure 13 It is an appearance structure perspective view of the second pushing rod device. Figure 14 It is an appearance structure perspective view of the middle groove assembly device. Figure 15 It is Figure 14 It is a partial enlarged view of the middle D area. Figure 16 It is an appearance structure perspective view of the outer tooth assembly device. Figure 17 It is a side structure schematic diagram of the outer tooth assembly device. Figure 18 It is another appearance structure perspective view of the outer tooth assembly device. Figure 19 It is an appearance structure perspective view of the outer tooth automatic riveting mechanism. Figure 20 It is another appearance structure perspective view of the outer tooth automatic riveting mechanism. Figure 21 It is a side structure schematic diagram of the outer tooth automatic riveting mechanism. Figure 22 It is Figure 19 It is a partial enlarged view of the middle E area. Figure 23 It is Figure 21 It is a middle A-A direction cross-sectional schematic diagram. Figure 24 It is Figure 23 It is a structure schematic diagram after the cover plate is removed. Figure 25 It is an appearance structure perspective view of the upper groove assembly device. Figure 26 It is Figure 25 It is a partial enlarged view of the middle F area. Figure 27 It is a front structure schematic diagram of the present application.Figure 28 It is the outline structure perspective view of the material shrinking device. Figure 29 It is the outline structure perspective view of the umbrella tube feeding device. Figure 30 It is the structure sectional side view of the umbrella tube feeding device. Figure 31 It is Figure 30 It is the local enlarged view of the G area. Figure 32 It is the outline structure perspective view of the orientation mechanism. Figure 33 It is the outline structure front view of the orientation mechanism. DETAILED DESCRIPTION

[0010] In order to further explain the technical scheme of the present application, the present application will be described in detail through specific embodiments.

[0011] As Figure 1 shown, an automatic assembly riveting equipment for umbrella middle rod plastic parts, comprising an umbrella tube conveying mechanism 1 for conveying each umbrella tube, a small knife assembly device 2a, a first push rod device 3a, a spring piece assembly device 4, a second push rod device 3b, a large knife assembly device 2b, a middle slot assembly device 5, an outer tooth assembly device 6, an upper slot assembly device 7 and a material shrinking device 8 arranged in sequence along the feeding direction of the umbrella tube conveying mechanism 1; the small knife assembly device 2a assembles the small knife into the small tube, the first push rod device 3a pushes the small tube into the middle tube, the spring piece assembly device 4 assembles the spring piece into the middle tube, the second push rod device 3b pushes the middle tube and the small tube into the large tube and pulls the small tube out of the large tube, the middle slot assembly device 5 is used for assembling the middle slot, the large knife assembly device 2b assembles the large knife into the small tube, the outer tooth assembly device 6 assembles the outer tooth on the large tube and rivets, the upper slot assembly device 7 assembles the upper slot on the small tube and rivets, and the material shrinking device 8 shrinks and collects the assembled umbrella middle rod.

[0012] Preferably, as Figures 2-3 shown, the umbrella tube conveying mechanism 1 comprises a conveying die holder 11, the conveying die holder 11 and a die holder driving mechanism for driving the conveying die holder 11 to move, the upper surface of the conveying die holder 11 is provided with an umbrella tube clamping groove 115, the conveying die holder 11 comprises a first conveying die holder 111 for fixing the small tube, a second conveying die holder 112 for accommodating the middle tube, a third conveying die holder 113 for fixing the large tube, and a fourth conveying die holder 114 for fixing the middle tube and the small tube, the conveying die holder 11 is provided with the umbrella tube clamping groove 115 for fixing the umbrella tube, the extension direction of the umbrella tube clamping groove 115 is perpendicular to the movement direction of the conveying die holder 11, and the two ends of the umbrella tube clamping groove 115 are provided with arc-shaped guide surfaces. The arc-shaped guide surfaces can guide the umbrella tube when it translates, and facilitate the umbrella tube to be inserted into the umbrella tube clamping groove 115 transversely. In this embodiment, the die holder driving mechanism can adopt a lead screw driving mechanism, the conveying die holders 11 are arranged side by side on a sliding frame, and then the sliding frame is driven by the lead screw to move together with the conveying die holders 11.

[0013] As another embodiment of the present application, the die holder driving mechanism can also drive the chain by motor, each conveying die holder 11 is installed on a conveying chain, and each conveying chain is driven by a first motor to move synchronously, thereby driving each conveying die holder 11 to move synchronously to convey each umbrella tube synchronously.

[0014] With the above structure, the small tube, the middle tube and the large tube are conveyed along the conveying direction of each conveying chain 12 to the small guard assembly device 2a, the first push rod device 3a and the spring assembly device 4 for small guard assembly, the small tube is pushed into the middle tube by the first conveying die holder 111 and assembled with the spring, then the small tube and the middle tube are pushed by the second push rod device 3b towards the large tube, the middle tube moves through the large tube to the fourth conveying die holder 114 for fixation, then the third conveying die holder 113 and the fourth conveying die holder 114 continue to convey the inserted umbrella tube to the large guard assembly device 2b, the middle groove assembly device 5, the outer tooth assembly device 6, the upper groove assembly device 7 and the material shrinking device 8 for middle groove assembly, large guard assembly, outer tooth assembly and upper groove assembly, and the assembled umbrella middle rod is recycled by the material shrinking device 8. Compared with the prior art, the umbrella tube conveying mechanism 1 can automatically convey each umbrella tube. The conveying direction of the umbrella tube is perpendicular to the axial direction of the umbrella tube, so that the umbrella tube is conveyed in parallel, which facilitates the arrangement of other assembly devices on both sides of the umbrella tube conveying mechanism 1 to assemble the umbrella tube and improve the assembly precision. In addition, the umbrella tube conveying mechanism 1 can select different numbers of conveying chains 12 to convey umbrella tubes of different numbers of nodes according to the structure of the umbrella middle rod with different numbers of nodes, so that the matching is more flexible and the application range is wider.

[0015] Preferably, as shown in Figures 4-8 The small guard assembly device 2a includes a first cross beam 21, a small guard feeding device 22 arranged on the first cross beam 21 and a first guard pushing device 23. The first cross beam 21 is arranged above the umbrella middle rod feeding device, the small guard feeding device 22 is used to store small guards and send the small guards into the first guard pushing device 23, and the first guard pushing device 23 pushes the small guards into the small tube for assembly.

[0016] The small guard feeding device 22 includes a first feeding template 221, which is detachably connected with the first cross beam 21. The first feeding template 221 is provided with a first feeding cover plate 222, a first feeding push plate 223, a first air cylinder 224 and a first storage mechanism for storing small guards. The lower surface of the first feeding cover plate 222 is provided with a horizontally arranged small guard feeding groove 2221. The width of the first feeding push plate 223 corresponds to the width of the small guard feeding groove 2221. During feeding, the first feeding push plate 223 pushes the small guards in the first storage mechanism into the small guard feeding groove 2221 and pushes them out. The piston rod of the first air cylinder 224 is connected with the first feeding push plate 223, and the first storage mechanism is arranged at the feeding end of the small guard feeding groove 2221.

[0017] The first knife pushing device 23 comprises a first pushing template 231 and a first lifting driving mechanism for driving the first pushing template 231 to lift, and the first lifting driving mechanism is arranged on the first cross beam 21. The first pushing template 231 is provided with a first pushing cover plate 232, a first horizontal pushing plate 233, a first inclined pushing plate 234, a first horizontal pushing cylinder 235 for driving the first horizontal pushing plate 233 to translate, and a first inclined pushing cylinder 36 for driving the first inclined pushing plate to translate. The lower surface of the first pushing cover plate 232 is provided with a first pushing groove 2321 arranged in a horizontal penetrating mode. The feeding end of the first pushing groove 2321 is arranged in correspondence with the discharging end of the small knife feeding groove 2221. The first horizontal pushing plate 233 and the first inclined pushing plate 234 are arranged in sliding connection in the first pushing groove 2321.

[0018] After the above structure is adopted, the first feeding pushing plate 223 pushes the small knife in the first storage mechanism along the small knife feeding groove 2221 into the first pushing groove. Then, the first horizontal pushing plate 233 and the first inclined pushing plate 234 push the small knife into the umbrella tube for assembly. Thus, the automatic conveying and assembly of the small knife are realized, and the assembly efficiency of the knife is improved.

[0019] Preferably, the first storage mechanism comprises a first guide frame 225, a small cutter pressing block 226 and a pressing block guide frame 227; the first guide frame 225 is arranged at the feeding end of the small cutter feeding groove 2221, and vertical through storage channels 2251 are symmetrically arranged on both sides of the lower surface of the first guide frame 225, and the two ends of the small cutter are clamped in the storage channels 2251 respectively, so that the small cutter is limited. The lower surface of the first guide frame 225 is provided with a small cutter discharging groove 2252 arranged in parallel with the small cutter feeding groove 2221, the small cutter discharging groove 2252 and the small cutter feeding groove 2221 are in communication with each other, the small cutter pressing block 226 is provided with a sliding protrusion 2261 embedded in the storage channel 2251 and connected in a sliding manner, so that the small cutter pressing block 226 can be arranged on the first guide frame 225 and connected in a sliding manner, the pressing block guide frame 227 is provided with a vertical guide column 2271, and the small cutter pressing block 226 is provided with a guide hole through which the guide column 2271 passes, so that the downward movement of the small cutter pressing block 226 is more stable, and the small cutter pressing block 226 can press the small cutter in the storage channel 2251 more firmly. After the above structure is adopted, the small cutters are uniformly placed in the storage channels 2251, the small cutter pressing block 226 presses the small cutters by relying on its own gravity, during feeding, the first feeding push plate 223 pushes one small cutter at the lowermost end of the storage channel 2251 into the small cutter feeding groove 2221 along the small cutter discharging groove 2252. Then the first feeding push plate 223 pushes out the small cutter discharging groove 2252 and resets, and the small cutter pressing block 226 descends to press the remaining small cutters. After the above structure is adopted, the small cutters can be stored, so that automatic feeding of the small cutters is realized, and manual operation is not needed, and the assembly efficiency of the cutter is further improved.

[0020] Preferably, the small cutter assembly device 2a further comprises a first umbrella tube fixing mechanism 24 arranged at the lower end of the first horizontal beam 21, the first umbrella tube fixing mechanism 24 comprises a first umbrella tube bearing block 241, a first umbrella tube pressing block 242 and a first pressing block lifting cylinder 243 for driving the first umbrella tube pressing block 242 to lift, and the lower surface of the first umbrella tube pressing block 242 is provided with a first pressing groove 2421 arranged in a transverse through manner, and the arrangement direction of the first pressing groove 2421 is perpendicular to the pushing direction of the first horizontal pushing plate 233, so as to ensure that the first horizontal pushing plate can accurately push the small cutter into the small cutter mounting groove of the small tube. After the above structure is adopted, before pressing, the umbrella tube conveying mechanism 1 first conveys the small tube to the first umbrella tube bearing block 241, and then the first pressing block lifting cylinder 243 drives the first umbrella tube pressing block 242 to descend and press the small tube, so as to fix the small tube, avoid the small tube from deviating during assembly of the cutter, improve the precision of cutter assembly, and further improve the assembly efficiency of the cutter.

[0021] Preferably, one end of the first transverse pushing plate 233 that pushes the small knife is provided with an arc-shaped pushing convex surface 2331 corresponding to the outer side surface of the small knife; one end of the first oblique pushing plate 234 that pushes the knife is provided with a pushing clamping groove 2341 corresponding to the tail part of the small knife. After the above structure is adopted, the arc-shaped pushing convex surface 2331 can be accurately matched and connected with the head part of the small knife, so that the pushing of the small knife is more accurate, and the small knife is prevented from deviating during pushing, further improving the assembly accuracy; the pushing clamping groove 2341 can limit the tail part of the small knife, preventing the tail part of the knife from deviating excessively, so that the first oblique pushing plate can push the small knife more accurately.

[0022] Preferably, the small knife assembly device 2a further comprises a plurality of template positioning cylinders 25 arranged above the first feeding template 221, the piston rod of the template positioning cylinder 25 is provided with a positioning nail 251, and the first feeding template 221 is provided with a positioning hole matched with the positioning nail 251. After the above structure is adopted, the positioning nail 251 can accurately position the first feeding template 221, so that the first feeding template 221 is installed more accurately. During work, the first feeding template 221 and the first storage mechanism of different small knife sizes can be replaced according to needs, and the disassembly and assembly are more convenient, and the applicability is stronger.

[0023] Preferably, as an embodiment of the present application, the first lifting driving mechanism comprises a template lifting cylinder 2371 arranged on the first beam 21 and a hydraulic buffer 2372 arranged below the first pushing template 231, the template lifting cylinder 2371 is connected with the first pushing template 231, and the upper end of the hydraulic buffer 2372 is provided with a buffer block 2373. After the above structure is adopted, the template lifting cylinder 2371 drives the first pushing template 231 to perform lifting movement, and the hydraulic buffer 2372 can buffer the first pushing template 231, so as to reduce the impact force suffered by the first pushing template 231 and improve the service life of the equipment.

[0024] Preferably, the small knife assembly device 2a further comprises a second knife pushing device 26, which comprises a second cylinder 261, a knife pushing rod 262, a second umbrella tube bearing block 263, a second umbrella tube pressing block 264, and a second pressing block lifting cylinder 265 for driving the second umbrella tube pressing block 264 to lift; the second cylinder 261 is connected with the knife pushing rod 262, and the lower surface of the second umbrella tube pressing block 264 is provided with a second pressing groove 2641 transversely penetrating through, and the extending direction of the second pressing groove 2641 is parallel to the pushing direction of the knife pushing rod 262. After the first knife pushing device 23 pushes the small knife into the small tube, the umbrella tube conveying mechanism 1 conveys the small tube to the second knife pushing device 26, the second pressing block lifting cylinder 265 drives the second umbrella tube pressing block 264 to press the umbrella tube, the second cylinder 261 drives the knife pushing rod 262 to translate along the axis direction of the umbrella tube into the small tube, and continues to push the small knife, so that the small knife reaches the specified assembly position for fixing.

[0025] The large knife assembly device 2b comprises a second cross beam, a large knife feeding device arranged on the second cross beam, and a third knife pushing device; the large knife feeding device comprises a second feeding template, a second feeding cover plate arranged on the second feeding template, a second feeding push plate, a third cylinder, and a second storage mechanism for storing large knives, the lower surface of the second feeding cover plate is provided with a large knife feeding groove, the second feeding push plate pushes the large knives in the second storage mechanism into the large knife feeding groove, the piston rod of the third cylinder is connected with the second feeding push plate, and the second storage mechanism is arranged at the feeding end of the large knife feeding groove; the third knife pushing device comprises a second pushing template and a second lifting driving mechanism for driving the second pushing template to lift, the second pushing template is provided with a second pushing cover plate, a second transverse pushing plate, a second inclined pushing plate, a second transverse pushing cylinder for driving the second transverse pushing plate to translate, and a second inclined pushing cylinder for driving the second inclined pushing plate to translate, the lower surface of the second pushing cover plate is provided with a second pushing groove, and the second transverse pushing plate and the second inclined pushing plate are slidingly connected in the second pushing groove. The specific structure of the large knife assembly device 2b can be referred to the structure of the small knife assembly device 2a, and the main difference between the large knife assembly device 2b and the small knife assembly device 2a is that the groove width of the large knife feeding groove and the second pushing groove is adapted to the width of the large knife, and is respectively larger than the groove width of the small knife feeding groove and the first pushing groove. Moreover, the arc-shaped pushing convex surface and the pushing clamping groove of the second transverse pushing plate and the second inclined pushing plate are matched with the outer side surface of the large knife.

[0026] Preferably, as shown in FIG. 6, the umbrella tube conveying mechanism 1 further comprises a second umbrella tube conveying device 27, which comprises a second umbrella tube conveying template 271, a second umbrella tube conveying cover plate 272 arranged on the second umbrella tube conveying template 271, a second umbrella tube conveying push plate 273, a second umbrella tube conveying cylinder 274, and a second umbrella tube conveying groove 275 arranged on the lower surface of the second umbrella tube conveying cover plate 272; the second umbrella tube conveying cylinder 274 is connected with the second umbrella tube conveying push plate 273, and the second umbrella tube conveying push plate 273 is slidingly connected in the second umbrella tube conveying groove 275. After the umbrella tube conveying mechanism 1 conveys the small tube to the second knife pushing device 26, the second umbrella tube conveying cylinder 274 drives the second umbrella tube conveying push plate 273 to push the small tube into the second knife pushing device 26, so that the small knife is pushed into the small tube by the second knife pushing device 26. Figures 9-10As shown, the first push rod device 3a comprises a small tube pushing mechanism 31 and a first umbrella tube guiding mechanism 32 for guiding the assembly of the umbrella tube; the small tube pushing mechanism 31 comprises a first pushing mechanism frame 311, a small tube pushing rod 312, and a first push rod driving cylinder 313 for driving the small tube pushing rod 312 to translate, the first pushing mechanism frame is arranged on the side of the umbrella tube conveying mechanism 1 close to the first conveying mold base 111, the first push rod driving cylinder 313 is arranged on the first pushing mechanism frame 311, the piston rod of the first push rod driving cylinder 313 is connected with the small tube pushing rod 312, the axis direction of the small tube pushing rod 312 is parallel to the axis direction of the umbrella tube on the umbrella tube conveying mechanism 1, and the first umbrella tube guiding mechanism 32 is arranged on the left and right sides of the second conveying mold base 112. After the above structure is adopted, the umbrella tube conveying mechanism 1 conveys three umbrella tubes in parallel and coaxially, in the assembly, the first push rod driving cylinder 313 drives the small tube pushing rod 312 to translate, the small tube pushing rod 312 abuts against one side end of the small tube and pushes the small tube into the middle tube and the large tube. The first umbrella tube guiding mechanism 32 guides the translation of the small tube, so that the assembly of the small tube is more accurate.

[0027] Preferably, the first umbrella tube guiding mechanism 32 comprises a first clamping jaw cylinder 321 arranged below the umbrella tube conveying mechanism 1 and a first guiding module 322, the first guiding module 322 is connected with the power output end of the first clamping jaw cylinder 321, a first arc-shaped guiding groove 323 is arranged on the side wall of the first guiding module 322 and penetrates through the first guiding module 322, and the extension direction of the first arc-shaped guiding groove 323 is parallel to the axis direction of the umbrella tube on the umbrella tube conveying mechanism 1. After the above structure is adopted, before the assembly, the first clamping jaw cylinder 321 drives the first guiding module 322 to separate from each other, so as to make room for the umbrella tube conveying mechanism 1 and ensure that the umbrella tube can be conveyed normally; in the assembly, the first clamping jaw cylinder 321 drives the first guiding module 322 to abut against each other, the first arc-shaped guiding groove 323 can clamp the end portions of the umbrella tubes on the two sides, so as to avoid that the middle tube and the large tube deviate during the assembly of the small tube, and the first arc-shaped guiding grooves 323 on the two sides cooperatively form a guiding hole. The small tube passes through the guiding hole during the translation of the small tube, the guiding hole provides accurate guidance for the small tube, and the assembly accuracy of the small tube is improved.

[0028] More preferably, in the embodiment, the first umbrella tube guiding mechanism 32 comprises a first first umbrella tube guiding mechanism arranged between the small tube and the middle tube and a second first umbrella tube guiding mechanism arranged between the middle tube and the large tube, the first first umbrella tube guiding mechanism has a first guiding hole, and the second first umbrella tube guiding mechanism has a second guiding hole. One end of the first guiding hole matches the outer diameter of the small tube in diameter, and the other end matches the outer diameter of the middle tube in diameter; one end of the second guiding hole matches the outer diameter of the middle tube in diameter, and the other end matches the outer diameter of the large tube in diameter.

[0029] Preferably, the small pipe pushing mechanism 31 further comprises a pushing rod connecting block 314 for connecting the small pipe pushing rod 312 and the first pushing rod driving cylinder 313, the first pushing mechanism frame 311 is provided with a first guide rail 315, the extension direction of the first guide rail 315 is parallel to the translation direction of the small pipe pushing rod 312, and the lower end of the pushing rod connecting block 314 is provided with a first guide groove 3141 matched and connected with the first guide rail 315. After the above structure is adopted, the small pipe pushing rod 312 and the first pushing rod driving cylinder 313 are connected through the pushing rod connecting block 314, so that the connection between the small pipe pushing rod 312 and the first pushing rod driving cylinder 313 is more firm, the disassembly and assembly are more convenient, and the first guide rail 315 guides the translation of the small pipe pushing rod 312, so that the translation of the small pipe pushing rod 312 is more stable.

[0030] Preferably, the first pushing mechanism frame 311 is further provided with a first guide boss 316, the first guide boss 316 is provided with a through hole in sliding fit with the small pipe pushing rod 312, and the through hole is coaxially arranged with the small pipe pushing rod 312. After the above structure is adopted, the through hole supports and guides the front end of the small pipe pushing rod 312, so that the small pipe pushing rod 312 can be more accurately inserted into the small pipe, and is more stable during translation.

[0031] Preferably, the small pipe pushing rod 312 comprises an insertion part 3121 and a pushing part 3122, the insertion part 3121 is arranged at the front end of the pushing part 3122, the outer diameter of the insertion part 3121 is less than or equal to the inner diameter of the small pipe, and the outer diameter of the pushing part 3122 is greater than the inner diameter of the small pipe and less than the outer diameter of the small pipe. After the above structure is adopted, when the small pipe pushing rod 312 translates, the insertion part 3121 is first inserted into the small pipe to be positioned, so that the small pipe pushing rod 312 can be more accurately inserted into the small pipe. The connection between the insertion part 3121 and the pushing part 3122 forms a vertical abutting surface due to the different diameters, the abutting surface abuts against the side end of the small pipe, so as to drive the small pipe to translate. The front end of the insertion part 3121 is provided with a guide cone part 3123. After the above structure is adopted, the guide cone part 3123 provides guidance for the insertion part 3121, so that the insertion part 3121 can be easily inserted into the small pipe to be positioned.

[0032] Preferably, as shown in FIG. 1, the small pipe pushing mechanism 31 further comprises a second pushing rod driving cylinder 3132, the second pushing rod driving cylinder 3132 is arranged on the first pushing mechanism frame 311 and is connected with the pushing rod connecting block 314, and the second pushing rod driving cylinder 3132 is arranged on the pushing rod connecting block 314 and is connected with the small pipe pushing rod 312. Figures 11-12As shown, the shell fragment assembling device 4 comprises a first vibrating feeder 41, a shell fragment assembling plate 42, a shell fragment push rod 43, and a second push rod driving cylinder 44 for driving the translation of the shell fragment push rod 43; the first vibrating feeder 41 has a first feeding track 411, the shell fragment assembling plate 42 is provided with a shell fragment feeding groove 421, the front end of the shell fragment feeding groove 421 is provided with a shell fragment guide groove 422 for pushing out the shell fragment, the rear end of the shell fragment feeding groove 421 is provided with a guide rod groove 423 for the extension of the shell fragment push rod 43, the shell fragment guide groove 422 and the guide rod groove 423 are both vertically arranged with the shell fragment feeding groove 421, the first feeding track 411 is connected with the shell fragment feeding groove 421, the upper portion of the shell fragment feeding groove 421 is provided with a shell fragment stopper 451 and a shell fragment stopper driving device 452 for driving the lifting of the shell fragment stopper 451, the upper portion of the discharge end of the first feeding track 411 is provided with a shell fragment pressing block 461 and a shell fragment pressing block driving device 462 for driving the lifting of the shell fragment pressing block 461.

[0033] After the above structure is adopted, the shell fragment stopper driving device 452 drives the shell fragment stopper 451 to descend and block the discharge port of the first feeding track 411, the first vibrating feeder 41 automatically transports the shell fragment along the first feeding track 411, and the shell fragment is automatically arranged on the first feeding track 411 due to the blocking of the discharge port of the first feeding track 411. During the assembling, the shell fragment pressing block driving device 462 drives the shell fragment pressing block 461 to descend and press the second shell fragment fixed at the discharge port of the first feeding track 411, then the shell fragment stopper driving device 452 drives the shell fragment stopper 451 to ascend, the first shell fragment at the discharge port of the first feeding track 411 is blown into the shell fragment feeding groove 421 by the blowing device. Finally, the second push rod driving cylinder 44 drives the translation of the shell fragment push rod 43, and the shell fragment is pushed into the middle tube along the shell fragment guide groove 422 for assembling.

[0034] Preferably, the discharge end of the shell fragment guide groove 422 is further provided with a shell fragment guide mechanism 47, the shell fragment guide mechanism 47 comprises a second clamping jaw cylinder 471 and a shell fragment guide block 472 arranged at the power output end of the second clamping jaw cylinder 471, the side wall of the shell fragment guide block 472 is provided with a shell fragment guide groove 473, and the extension direction of the shell fragment guide groove 473 is parallel to the conveying direction of the shell fragment. After the above structure is adopted, the umbrella tube conveying mechanism 1 conveys the umbrella tube to the side of the shell fragment guide mechanism 47, the second clamping jaw cylinder 471 drives the mutual adhesion of the shell fragment guide blocks 472, the shell fragment guide grooves 473 of the two shell fragment guide blocks 472 are matched with each other to form a guide hole, and the guide hole can clamp the end of the umbrella tube, so as to avoid the deviation of the umbrella tube during the assembling of the shell fragment, then the shell fragment push rod 43 pushes the shell fragment into the guide hole from the shell fragment guide groove 473 and assembles with the umbrella tube, so as to realize the multiple guiding during the assembling of the shell fragment, and improve the assembling precision and quality.

[0035] Preferably, the outer side of the guide rod groove 423 is provided with a push rod guide block 48, and the push rod guide block 48 is provided with a push rod guide hole.

[0036] With the above structure, the push rod guide hole guides the shell push rod 43, so that the shell push rod 43 translates more stably, thereby improving the stability of the shell conveying and assembling.

[0037] Preferably, the shell guide groove 422 and the guide rod groove 423 are arranged opposite to each other. With the above structure, the shell push rod 43 can be better aligned with the shell, and the shell can be conveyed more accurately, thereby improving the assembly precision.

[0038] Preferably, the side wall of the shell guide groove 422 is inclined from the rear to the front to the middle part of the shell guide groove 422. With the above structure, when the shell is pushed, the two sides of the shell can be inwardly retracted, so that the shell can be more easily pushed into the shell guide mechanism 47 and the umbrella tube.

[0039] Preferably, the shell assembling plate 42 is provided with a cover plate (not shown in the figure). With the above structure, the shell can be prevented from being upwardly buckled during the conveying process, so that the shell conveying is more stable.

[0040] Preferably, the shell block driving device 452 and the shell pressing block driving device 462 are air cylinders. With the air cylinders, the cost is lower, and the structure is simple, so that the disassembly, assembly and maintenance are convenient.

[0041] Compared with the prior art, the first vibration feeder 41, the shell block 451 and the shell pressing block 461 realize the automatic feeding of the shell, so that the shell conveying is more orderly arranged, and the shell conveying precision is improved. The shell push rod 43 realizes the automatic assembly of the shell, so that the assembly efficiency is improved and the labor cost is reduced. In addition, the shell is guided multiple times through the shell guide groove 422 and the shell guide mechanism 47, so that the assembly precision of the shell is improved, and the assembly quality of the shell is further improved.

[0042] Preferably, as shown in FIG. 1, the first vibration feeder 41, the shell block 451, the shell pressing block 461, the shell push rod 43, the shell guide groove 422 and the shell guide mechanism 47 are arranged in the shell conveying and assembling device 40. Figure 13As shown, the second push rod device 3b includes a middle tube pushing device 33 and a small tube clamping device 34 arranged on both sides of the umbrella tube conveying mechanism 1; the middle tube pushing device 33 is arranged on the outer side of the second conveying die seat 112, and the small tube clamping device 34 is arranged on the outer side of the fourth conveying die seat 114; the middle tube pushing device 33 includes a second pushing frame 331, a middle tube push rod 332 horizontally arranged on the second pushing frame 331, and a second push rod driving cylinder 333 for driving the middle tube push rod 332 to move along the axial direction; the small tube clamping device 34 is used for clamping the small tube out of the middle tube. Specifically, the small tube clamping device 34 can adopt a mechanical hand or a clamping cylinder. The specific structure of the second push rod device 3b can refer to the structure of the first push rod device 3a, and the main difference between the second push rod device 3b and the first push rod device 3a lies in that the second push rod driving cylinder 333 drives the middle tube push rod 332 to move along the axial direction and extend into the middle tube, and then pushes the small tube and the middle tube to pass through the large tube, after which the small tube clamping device 34 clamps the end of the small tube extending out of the large tube, and pulls out the small tube and the middle tube from the large tube, at this time, the small tube, the middle tube and the large tube are fixed together through the small knife and the elastic sheet, and the automatic assembly between the umbrella tubes is completed.

[0043] Preferably, as Figures 14-15 As shown, the middle groove assembly device 5 includes a middle groove mounting frame 51, a second vibration feeder 52, a middle groove loading block 53, an umbrella tube positioning rod 54, a middle groove push plate 55, a third lifting driving mechanism 56, a positioning rod driving device 57 and a middle groove push plate driving device 58; the second vibration feeder 52 is arranged on the side of the middle groove mounting frame 51, and the second vibration feeder 52 is provided with a second feeding track 521; the third lifting driving mechanism 56 is arranged on the middle groove mounting frame 51 and drives the middle groove loading block 53 to move vertically; the side wall of the middle groove loading block 53 is provided with a middle groove feeding groove 531 connected with the second feeding track 521, and the middle groove feeding groove 531 can be connected with the boss of the middle groove to fix the middle groove. The umbrella tube positioning rod 54 is horizontally arranged on the middle groove mounting frame 51, and the middle groove mounting frame 51 is provided with a guide hole through which the umbrella tube positioning rod 54 passes, thereby improving the stability of the positioning tube when moving. The positioning rod driving device 57 drives the umbrella tube positioning rod 54 to move along the axial direction, the middle groove push plate 55 is arranged above the umbrella tube positioning rod 54, the middle groove push plate driving device 58 is arranged on the middle groove mounting frame 51 and drives the middle groove push plate 55 to move, and the moving direction of the middle groove push plate 55 is parallel to the moving direction of the umbrella tube positioning rod 54.

[0044] Preferably, the middle groove loading block 53 comprises a middle groove loading part 532 and a middle groove blocking part 533, the middle groove blocking part 533 is arranged on the side of the middle groove loading part 532 away from the second feeding track 521, and the middle groove feeding groove 531 forms a feeding port on the side wall of the middle groove loading part 532. After the above structure is adopted, the middle groove is rolled into the middle groove feeding groove 531 through the feeding port of the middle groove loading part 532, and the middle groove blocking part 533 blocks and positions the middle groove, so as to preliminarily position the middle groove, so as to ensure that the umbrella tube positioning rod 54 can pass through the inner hole of the middle groove.

[0045] Preferably, the middle groove pushing plate 55 is disc-shaped, and the power output end of the middle groove pushing plate driving device 58 is connected with the center part of the middle groove pushing plate 55. After the above structure is adopted, the middle groove pushing plate 55 can be more stable during translation, and even if the middle groove pushing plate 55 rotates around the axis, the middle groove pushing plate 55 can still push the middle groove at a fixed point.

[0046] More preferably, the third lifting driving mechanism 56, the positioning rod driving device 57 and the middle groove pushing plate driving device 58 are air cylinders. After the air cylinder is adopted, the structure is simple, the cost is low, and the maintenance and disassembly are convenient.

[0047] Preferably, as shown in Figures 16-24 The outer tooth assembly device 6 comprises a third vibration feeding machine 61, an outer tooth assembly rack 62, an outer tooth assembly sliding plate 63, an outer tooth sliding plate driving device 64 for driving the outer tooth assembly sliding plate 63 to slide horizontally, and an outer tooth automatic riveting mechanism 69 for riveting the outer tooth. The third vibration feeding machine 61 has a third feeding track 611, the outer tooth assembly sliding plate 63 is slidingly connected with the outer tooth assembly rack 62, the front end of the outer tooth assembly sliding plate 63 has an outer tooth clamping groove 631 connected with the discharging end of the third feeding track 611, the side wall near one end of the outer tooth clamping groove 631 is provided with a feeding port for the outer tooth to enter, the outer tooth clamping groove 631 is used for fixing the outer tooth, the outer tooth clamping groove 631 is provided with an outer tooth pressing block 651 and an outer tooth pressing block driving device 652 for driving the outer tooth pressing block 651 to ascend and descend above the outer tooth clamping groove 631, and the outer tooth assembly sliding plate 63 is provided with an outer tooth baffle 661 and an outer tooth baffle driving device 662 for driving the outer tooth baffle 661 to ascend and descend above the front end of the outer tooth clamping groove 631.

[0048] Preferably, in order to avoid the outer tooth clamping groove 631 rubbing against the lower end of the outer tooth when the outer tooth assembly slide plate 63 resets, the outer tooth assembly frame 62 is further provided with an outer tooth ejecting device 67. The outer tooth ejecting device 67 comprises an ejecting connecting plate 671, an ejecting wedge block 672, a driving wedge block 673, an ejecting spring 674, and a wedge block driving cylinder 675. The ejecting connecting plate 671 is vertically arranged at the rear side of the outer tooth clamping groove 631. The wedge block driving cylinder 675 is arranged on the ejecting connecting plate 671 and drives the driving wedge block 673 to move up and down. The lower surface of the driving wedge block 673 is provided with a first inclined surface. The upper surface of the ejecting wedge block 672 is provided with a second inclined surface matched with the first inclined surface. The front side of the ejecting wedge block 672 is provided with an ejecting rod 6721 which can penetrate into the outer tooth clamping groove 631. The ejecting connecting plate 671 is provided with a through hole through which the ejecting rod 6721 passes. The rear wall of the outer tooth clamping groove 631 is also provided with a through hole through which the ejecting rod 6721 extends. One end of the ejecting spring 674 abuts against the rear side of the ejecting wedge block 672, and the other end of the ejecting spring 674 abuts against the outer tooth assembly frame 62. After the above structure is adopted, during assembly, the wedge block driving cylinder 675 drives the driving wedge block 673 to descend and cooperate with the ejecting wedge block 672, thereby driving the ejecting wedge block 672 and the ejecting rod 6721 to move backward, and the ejecting rod 6721 penetrates out of the outer tooth clamping groove 631. After the outer tooth is assembled, during the process of the outer tooth assembly slide plate 63 resetting backward, the wedge block driving cylinder 675 drives the driving wedge block 673 to move upward, and the ejecting wedge block 672 gradually moves forward under the elastic force of the ejecting spring 674, so that the ejecting rod 6721 gradually penetrates into the outer tooth clamping groove 631 and abuts against the rear side of the outer tooth, so that the outer tooth can always abut against and be fixed on the umbrella tube, thereby preventing the outer tooth from being separated from the umbrella tube.

[0049] Preferably, the front end of the outer tooth assembly slide plate 63 is further provided with a second umbrella tube fixing mechanism 68. The second umbrella tube fixing mechanism 68 comprises an umbrella tube clamping block 681 and a fourth clamping jaw cylinder 682 which drives the umbrella tube clamping block 681 to abut against or separate from each other. The inner side wall of the umbrella tube clamping block 681 is provided with a large tube clamping groove 6811. After the above structure is adopted, before assembly, the fourth clamping jaw cylinder 682 drives the umbrella tube clamping block 681 to clamp the end of the large tube, thereby positioning and fixing the large tube, so that the outer tooth can be more accurately inserted into the end of the large tube, and the assembly precision and quality of the outer tooth are improved.

[0050] Preferably, the bottom wall of the outer tooth clamping groove 631 is provided with an umbrella tube accommodating groove 6311 at the front end. After the above structure is adopted, the umbrella tube accommodating groove 6311 can provide accommodation for the umbrella tube during assembly of the outer tooth, thereby preventing the umbrella tube from interfering with the outer tooth clamping groove 631.

[0051] Preferably, the outer tooth assembly frame 62 is provided with a third guide rail 621, the extending direction of the third guide rail 621 is parallel to the translation direction of the outer tooth assembly slide plate 63, and the lower end of the outer tooth assembly slide plate 63 is provided with a third guide groove 632 in sliding connection with the third guide rail 621. After the above structure is adopted, the third guide rail 621 and the third guide groove 632 can guide the translation of the outer tooth assembly slide plate 63, so that the translation of the outer tooth assembly slide plate 63 is more stable.

[0052] Preferably, the outer tooth slide plate driving device 64, the outer tooth pressing block driving device 652 and the outer tooth baffle driving device 662 are air cylinders. After the air cylinders are adopted, the cost is lower, the structure is simple, and the air cylinders are convenient to disassemble, assemble, maintain and repair.

[0053] Preferably, the outer tooth automatic riveting mechanism 69 is arranged at the side of the umbrella tube conveying mechanism 1, and the outer tooth automatic riveting mechanism 69 comprises a nailing mechanism 691, a nail feeding mechanism 692 and a nail supplementing mechanism 693; the nail feeding mechanism 692 comprises a nail feeding plate 6921, a transverse material pressing plate 6922 and a nail feeding cylinder 6923, the upper surface of the nail feeding plate 6921 is provided with a nail feeding groove 6924, the nail feeding groove 6924 is vertically arranged, the depth of the nail feeding groove 6924 is equal to the length of the pin, one end of the nail feeding groove 6924 extends to the nailing position of the nailing mechanism 691 and the other end extends to the side wall of the transverse material pressing plate 6922 to form an opening, the transverse material pressing plate 6922 is slidably connected with the nail feeding groove 6924, the nail feeding cylinder 6923 is arranged on the nail feeding plate 6921 and drives the transverse material pressing plate 6922 to repeatedly move along the nail feeding groove 6924, the side wall of the nail feeding groove 6924 is provided with a supplementing opening 69241, the nail supplementing mechanism 693 is arranged on the nail feeding plate 6921 and is arranged at the side of the nail feeding groove 6924 provided with the supplementing opening 69241, and the nail supplementing mechanism 693 is used for conveying the nails from the supplementing opening 69241 to the nail feeding groove 6924. After the above structure is adopted, in the embodiment, in order to enable the nailing mechanism 691 to continuously and uninterruptedly nail and to conveniently convey the pins, the pins are used as the raw materials of the nails to be conveyed to the nailing mechanism 691 to be nailed, when working, the nail feeding cylinder 6923 drives the transverse material pressing plate 6922 to move to the last end of the nail feeding groove 6924, a plurality of groups of nails are arranged in the nail supplementing mechanism 693, the nail supplementing mechanism 693 pushes the nails into the nail feeding groove 6924, then the nail feeding cylinder 6923 drives the transverse material pressing plate 6922 to push the nails in the nail feeding groove 6924 to convey the nails to the front end of the nail feeding groove 6924 to the nailing mechanism 691, the nailing mechanism 691 nails the pins at the front end of the nails into the umbrella tube, then the nail feeding cylinder 6923 drives the transverse material pressing plate 6922 to continuously push the nails forward, so as to realize the automatic feeding of the nailing mechanism 691. When the nails are consumed to a certain amount, the nail feeding cylinder 6923 drives the transverse material pressing plate 6922 to move to the rear side of the supplementing opening 69241, the nail supplementing mechanism 693 conveys the nails from the supplementing opening 69241 to the nail feeding groove 6924, then the nail feeding cylinder 6923 drives the transverse material pressing plate 6922 to push the new nails forward to abut against the old nails, so as to ensure the continuous and uninterrupted conveying of the nails and enable the nailing mechanism 691 to continuously and uninterruptedly nail, thereby greatly improving the nailing efficiency and the assembly efficiency of the umbrella rod.

[0054] Preferably, in order to control the front end of the row of nails to be fed a certain length, the transverse pressing plate 6922 can retreat to the rear side of the supplementing opening 69241, facilitating the nail supplementing mechanism 693 to supplement nails, and leaving a certain amount of nails, so as to ensure that the nailing mechanism 691 can continuously nail without interruption. The present application is provided with an inductive magnetic ring at the rear end of the piston rod of the nail feeding cylinder 6923, and a magnetic switch is arranged on the cylinder body of the nail feeding cylinder 6923. The position of the inductive switch is set according to the amount of the remaining length of the front end of the row of nails, and generally, the remaining length of the front end of the row of nails needs to be less than the length between the front side wall of the supplementing opening 69241 and the nailing position of the nailing mechanism 691, so as to avoid interference when the nail supplementing mechanism 693 feeds the supplemented row of nails into the supplementing opening 69241. When the nail feeding cylinder 6923 pushes the transverse pressing plate 6922 forward, the piston rod of the nail feeding cylinder 6923 drives the inductive magnetic ring to gradually move forward, and when the inductive magnetic ring moves to the magnetic switch, the magnetic switch generates a reaction signal to drive the piston rod to stop moving forward, and controls the piston rod to move backward to reset, so as to facilitate the nail supplementing mechanism 693 to supplement nails. In the embodiment, the controlled amount of the front end of the row of nails is just the rear end of the row of nails passing through the front side wall of the supplementing opening 69241, so that when the row of nails is supplemented, the rear end of the row of nails can just abut against the front end of the row of nails, thereby reducing the supplementing interval and accelerating the supplementing efficiency. As another embodiment of the present application, a visual inductor can also be arranged at the front end of the row of nail feeding groove 6924, and when the visual inductor detects the transverse pressing plate 6922, the nail feeding cylinder 6923 drives the pressing plate to reset, thereby controlling the remaining length of the front end of the row of nails.

[0055] Preferably, the width of the transverse pressing plate 6922 is equal to the width of the row of nail feeding groove 6924. The above structure makes the transverse pressing plate 6922 cooperate more closely with the row of nail feeding groove 6924, and the transverse pressing plate 6922 can slide more stably during the forward sliding process. Moreover, the pushing area of the transverse pressing plate 6922 is increased, so that the transverse pressing plate 6922 can push the row of nails more stably, the pushing force on the side surface of the row of nails is more uniform, and the stability of feeding is improved.

[0056] Preferably, the nail feeding mechanism 692 comprises a nail feeding transverse rail 6925 and a nail feeding sliding block 6926. The nail feeding transverse rail 6925 is arranged at the side edge of the row of nail feeding groove 6924, and the extension direction of the nail feeding transverse rail 6925 is parallel to the extension direction of the row of nail feeding groove 6924. The nail feeding sliding block 6926 is in sliding connection with the nail feeding transverse rail 6925, the piston rod of the nail feeding cylinder 6923 is connected with the nail feeding sliding block 6926, and the transverse pressing plate 6922 is installed on the nail feeding sliding block 6926. After the above structure is adopted, the nail feeding sliding block 6926 and the transverse pressing plate 6922 are further guided to slide, so that the transverse pressing plate 6922 slides more stably.

[0057] Preferably, the nail supplement mechanism 693 comprises a nail storage groove 6931, a nail supplement cylinder 6932 and a longitudinal pressing block 6933. The nail storage groove 6931 is arranged on the nail feeding plate 6921 and located at the side of the supplement opening 69241. The extending direction of the nail storage groove 6931 is perpendicular to the extending direction of the nail feeding groove 6924. The groove width of the nail storage groove 6931 is equal to the width of the supplement opening 69241 and the length of the nail row. The longitudinal pressing block 6933 is slidingly connected in the nail storage groove 6931. The nail supplement cylinder 6932 drives the longitudinal pressing block 6933 to move in the direction perpendicular to the extending direction of the nail feeding groove 6924. After adopting the above structure, a plurality of nail rows are arranged in sequence in the nail storage groove 6931. When supplementing nails, the transverse pressing plate 6922 moves to the rear of the supplement opening 69241. The nail supplement cylinder 6932 drives the longitudinal pressing block 6933 to move forward by a certain distance, pushes the nail row forward to convey, and embeds the nail row into the nail feeding groove 6924 through the supplement opening 69241, so as to realize automatic nail supplement, reduce the nail supplement interval, reduce the labor cost, and further improve the nailing efficiency.

[0058] Preferably, the nail supplement mechanism 693 further comprises a nail supplement mounting frame 6934, a longitudinal rail 6935 and a nail supplement sliding block 6936. The nail supplement mounting frame 6934 is arranged above the nail feeding plate 6921. The longitudinal rail 6935 is arranged on the nail supplement mounting frame 6934. The extending direction of the longitudinal rail 6935 is perpendicular to the extending direction of the nail feeding groove 6924. The nail supplement sliding block 6936 is slidingly connected with the longitudinal rail 6935. The piston rod of the nail supplement cylinder 6932 is connected with the nail supplement sliding block 6936. The longitudinal pressing block 6933 is mounted on the nail supplement sliding block 6936. After adopting the above structure, the longitudinal pressing block 6933 is further guided to slide through the longitudinal rail 6935 and the nail supplement sliding block 6936, so that the longitudinal pressing plate slides more stably.

[0059] Preferably, the nailing mechanism 691 comprises an upper nailing part arranged above the front end of the row nail feeding groove 6924, and a lower nailing part arranged below the upper nailing part, and the row nail feeding groove 6924 is arranged between the upper nailing part and the lower nailing part as a nailing position. The upper nailing part comprises a vertically arranged nail pressing cylinder 6911 and a nailing pressing block 6912 connected to the piston rod of the nail pressing cylinder 6911, and the nail pressing cylinder 6911 drives the nailing pressing block 6912 to move up and down. The lower nailing part comprises a vertically arranged nailing cylinder 6913 and a needle 6914 connected to the piston rod of the nailing cylinder 6913, and the nailing cylinder 6913 drives the needle 6914 to move up and down. After adopting the above structure, during nailing, the transverse pressing plate 6922 feeds the row nails to the front end of the row nail feeding groove 6924, the umbrella tube is fed to the lower part of the nailing pressing block 6912 by the umbrella tube feeding mechanism, the nail pressing cylinder 6911 drives the nailing pressing block 6912 to move downward to press the umbrella tube, then the nailing cylinder 6913 drives the needle 6914 to move upward, the needle 6914 pushes the nails at the front end of the row nail feeding groove 6924 upward, so that the nails are nailed into the umbrella tube, thereby realizing uninterrupted automatic nailing of the umbrella tube, and the nailing mechanism 691 has simple structure and is convenient to maintain.

[0060] Preferably, the nailing pressing block 6912 comprises a connecting part connected with the nail pressing cylinder 6911 and a pressing part extending downward, and the lower surface of the pressing part is provided with a nailing arc-shaped groove 121 corresponding to the outer circumferential surface of the umbrella tube. After adopting the above structure, the nailing pressing block 6912 is more firmly installed, and the nailing pressing block 6912 can more firmly press the umbrella tube, so as to avoid swinging of the umbrella tube during nailing and improve the nailing quality.

[0061] Preferably, the nailing mechanism 691 further comprises a nailing cover plate 6915, the nailing cover plate 6915 is connected with the row nail feeding plate 6921 and covers the front end of the row nail feeding groove 6924, and the nailing cover plate 6915 is provided with a nail penetrating hole 69151, the projection of the nail penetrating hole 69151 on the horizontal plane is tangent to the front side wall of the row nail feeding groove 6924, so that when the row nails abut against the front end of the row nail feeding groove 6924, the nails at the front end can just pass through the nail penetrating hole 69151. After adopting the above structure, during nailing, the nails move upward to pass through the nail penetrating hole 69151, the nail penetrating hole 69151 can guide and align the nails, so that the nail assembly is more accurate. In addition, the lower surface of the nailing cover plate 6915 can abut against the upper end of the rear row of nails, so as to avoid the front end of the row nails from being raised during nailing, and facilitate separation of the nails at the front end.

[0062] Preferably, as shown in FIG. 9, the umbrella tube feeding mechanism comprises a feeding cylinder 6923 and a feeding block 6925 connected to the piston rod of the feeding cylinder 6923, and the feeding cylinder 6923 drives the feeding block 6925 to move up and down. Figures 25-27As shown, the upper groove assembling device 7 comprises an upper groove assembling frame 71, a fourth vibrating feeder 72, an upper groove assembling slide 73, an assembling slide driving device 774, a positioning slide 75, a positioning slide driving device 76 and an upper groove automatic riveting mechanism. The fourth vibrating feeder 72 has a fourth feeding track 721. The upper groove assembling slide 73 is in sliding connection with the upper end of the upper groove assembling frame 71. The sliding direction of the upper groove assembling slide 73 is perpendicular to the feeding direction of the fourth feeding track 721. The assembling slide driving device 774 drives the upper groove assembling slide 73 to move in translation. The front end of the upper groove assembling slide 73 is provided with an upper groove receiving groove 731 connected with the fourth feeding track 721. The upper groove receiving groove 731 forms a feeding port on the side close to the fourth feeding track 721. An upper groove pressing block 732 is arranged above the upper groove receiving groove 731. A pressing block driving device 733 is arranged to drive the upper groove pressing block 732 to move up and down. The positioning slide 75 is arranged in front of the upper groove receiving groove 731. A front and rear penetrating upper groove positioning groove 751 is formed in the side close to the fourth feeding track 721 of the positioning slide 75. The positioning slide driving device 76 is arranged on the upper groove assembling frame 71 and drives the positioning slide 75 to move close to or away from the fourth feeding track 721. The upper groove automatic riveting mechanism is arranged on the side of the umbrella tube conveying mechanism 1. The specific structure of the upper groove automatic riveting mechanism can refer to the structure of the outer tooth automatic riveting mechanism.

[0063] After the above structure is adopted, before assembling, the positioning slide driving device 76 drives the upper groove pressing block 732 to move up and away from the upper groove receiving groove 731. The pressing block driving device 733 drives the positioning slide 75 to move in translation to the front end of the upper groove receiving groove 731. The fourth vibrating feeder 72 conveys the upper groove to the upper groove receiving groove 731. The boss part of the upper groove is fixed in the feeding groove. The connecting pipe part of the upper groove is fixed in the upper groove positioning groove 751. In this way, the central axis of the upper groove can be kept horizontal. The upper groove can be inserted into the end of the umbrella tube more accurately. The assembling precision and quality of the umbrella tube are improved. During assembling, the umbrella tube conveying mechanism conveys the umbrella tube horizontally to the side of the upper groove assembling slide 73. The positioning slide driving device 76 drives the upper groove pressing block 732 to move down and press the boss part of the upper groove, so as to fix the upper groove on the upper groove receiving groove 731. Then, the pressing block driving device 733 drives the positioning slide 75 to separate from the upper groove. The assembling slide driving device 774 drives the upper groove assembling slide 73 to move close to the umbrella tube. The upper groove is sleeved on the end of the umbrella tube. Finally, the positioning slide driving device 76 drives the upper groove pressing block 732 to move up and release the upper groove. The assembling slide driving device 774 drives the upper groove assembling slide 73 to reset and complete one assembling process.

[0064] Preferably, the third umbrella tube fixing mechanism 77 comprises a fifth clamping jaw cylinder 771 and a fixing clamping block 772, and the fixing clamping block 772 is provided with an umbrella tube fixing groove 773. After the above structure is adopted, the fifth clamping jaw cylinder 771 can drive the fixing clamping block 772 to abut against each other, so that the umbrella tube fixing groove 773 clamps and precisely positions the umbrella tube, and meanwhile, the movement of the umbrella tube when being assembled into the groove is avoided, and the assembly precision of the groove is further improved.

[0065] Preferably, the side wall of the upper groove positioning groove 751 has a positioning face 7511 abutting against the connecting pipe part of the upper groove, and the positioning face 7511 abuts against the position of the connecting pipe part of the upper groove, so as to position the front end of the upper groove.

[0066] Preferably, the positioning slide block 75 is provided with a guide rod 752, and the guide rod 752 is in sliding connection with the upper groove assembly rack 71. After the above structure is adopted, the guide rod 752 can make the positioning slide block 75 slide more stably, and can prevent the positioning slide block 75 from deflecting, so as to improve the positioning precision.

[0067] Preferably, the upper groove assembly rack 71 is provided with a fourth guide rail, the extension direction of the fourth guide rail is parallel to the driving direction of the assembly slide block driving device 774, and the lower end of the upper groove assembly slide block 73 is provided with a fourth guide groove in sliding cooperation with the fourth guide rail. After the above structure is adopted, the stability and precision of the translation of the upper groove assembly slide block 73 can be improved, so that the upper groove assembly slide block 73 can more accurately drive the upper groove to be sleeved on the end part of the umbrella tube.

[0068] Preferably, the upper groove receiving groove 731 has an arc transition face 7311 adapted to the boss part of the upper groove. After the above structure is adopted, the arc transition face 7311 can cooperate with the outer circumferential face of the boss part of the upper groove, so as to precisely position the rear end of the upper groove.

[0069] Preferably, the rear end of the upper groove pressing block 732 is provided with a pressing block guide protrusion 7321, and the upper groove assembly rack 71 is provided with a vertical pressing block guide groove 712 in sliding cooperation with the pressing block guide protrusion 7321. After the above structure is adopted, the pressing block guide protrusion 7321 can be lifted and lowered more stably.

[0070] Preferably, the lower surface of the upper groove pressing block 732 is provided with a slide block accommodation groove 7322, and the slide block accommodation groove 7322 provides accommodation for the positioning slide block 75, so as to avoid the interference between the positioning slide block 75 and the upper groove pressing block 732.

[0071] Preferably, the assembly slide block driving device 774, the positioning slide block driving device 76 and the pressing block driving device 733 are cylinders. After the cylinders are adopted, the structure is simple, the price cost is reduced, and the replacement and maintenance are convenient.

[0072] Preferably, as shown in FIG. 8, the upper groove assembly rack 71 is provided with a first guide rail 711 and a second guide rail 712, and the first guide rail 711 and the second guide rail 712 are parallel to each other. Figure 28As shown, the material shrinking device 8 includes umbrella tube jacking devices 81 for lifting the umbrella middle rod on the umbrella tube conveying mechanism 1, and umbrella tube pushing devices 82 for shrinking the umbrella middle rod, the umbrella tube jacking devices 81 are arranged on both sides of the umbrella tube conveying mechanism 1, and the umbrella tube pushing devices 82 are arranged on the side of the umbrella tube jacking devices 81, the umbrella tube pushing devices 82 include a pushing frame 821, a first pushing plate 822, and a pushing driving device 823, the first pushing plate 822 is provided with a stop protrusion 8221 for stopping and pushing the end of the umbrella middle rod, and the pushing driving device 823 is arranged on the pushing frame 821 and drives the first pushing plate 822 to move along the axis direction of the umbrella middle rod.

[0073] Preferably, in order to push the middle groove on the umbrella middle rod to the end of the umbrella middle rod when shrinking the umbrella middle rod, the umbrella tube pushing device 82 further includes a second pushing plate 824 for pushing the middle groove, and a first pushing push rod 825, the second pushing plate 824 is arranged in front of the first pushing plate 822, the first pushing plate 822 and the second pushing plate 824 are fixed on the first pushing push rod 825, the extension direction of the first pushing push rod 825 is parallel to the movement direction of the first pushing plate 822, and the first pushing push rod 825 is slidably connected with the pushing frame 821. After the above structure is adopted, when the pushing driving device 823 drives the first pushing plate 822 to translate, the first pushing push rod 825 is driven to move forward, and then the second pushing plate 824 at the front end of the first pushing push rod 825 is driven to move forward, the second pushing plate 824 first pushes the middle groove when translating, and then the first pushing plate 822 pushes the umbrella middle rod to shrink. Thus, the automatic adjustment of the position of the middle groove during material collection is realized. In addition, the first pushing push rod 825 can prevent the first pushing plate 822 from deflecting, so that the stop protrusion can more accurately stop the end of the umbrella middle rod, and the material collection accuracy is improved.

[0074] Preferably, the lower end of the second pushing plate 824 is provided with a pushing plate arc-shaped accommodation groove 8241. After the above structure is adopted, the umbrella middle rod can pass through the pushing plate arc-shaped accommodation groove 8241, so as to increase the contact area between the second pushing plate 824 and the middle groove, and the second pushing plate 824 can more stably push the middle groove.

[0075] Preferably, the umbrella tube pushing device 82 further includes a second pushing push rod 826, the second pushing push rod 826 is arranged in parallel with the first pushing push rod 825, the second pushing push rod 826 is slidably connected with the pushing frame 821, and the front end of the second pushing push rod 826 is fixedly connected with the second pushing plate 824. After the above structure is adopted, the second pushing push rod 826 can prevent the second pushing plate 824 from deflecting, so that the umbrella middle rod can accurately pass through the pushing plate arc-shaped accommodation groove 8241, and the second pushing plate 824 can more stably push the middle groove, and the material collection accuracy of the umbrella middle rod is further improved.

[0076] Preferably, the umbrella tube jacking device 81 comprises a jacking frame 811, a jacking cylinder 812 and a jacking plate 813, the upper end of the jacking plate 813 is provided with a jacking slot 8131 for the end of the umbrella middle rod to enter, and the jacking cylinder 812 is arranged on the jacking frame 811 and drives the jacking plate 813 to move up and down. After the above structure is adopted, the jacking cylinder 812 drives the jacking plate 813 to move upwards, so that the two ends of the umbrella middle rod are clamped into the jacking slots 8131 on the two sides respectively. And the jacking slots 8131 on the two jacking plates 813 are respectively matched with the outer shape of the outer teeth and the upper groove at the two ends of the umbrella middle rod, so as to ensure that the umbrella middle rod always remains horizontal during jacking.

[0077] Preferably, the material shrinking device 8 further comprises a material shrinking guide rail 83 arranged at the discharging end of the umbrella tube conveying mechanism 1, and material shrinking guide baffles 831 are arranged on the two sides of the material shrinking guide rail 83 to limit the two ends of the umbrella middle rod. After the umbrella middle rod is shrunk, the push driving device 823 drives the first push plate 822 to reset and release the umbrella middle rod, the umbrella middle rod falls into the material shrinking guide rail 83 and slides along the material shrinking guide rail 83 to be collected uniformly.

[0078] Preferably, the push driving device 823 is a cylinder. The structure is simple, the price cost is low, and the maintenance and replacement are convenient.

[0079] Preferably, in order to realize the automatic feeding of each umbrella tube and further improve the assembly efficiency of the umbrella middle rod of the present application, the umbrella tube conveying mechanism 1 comprises a conveying frame 11, a conveying motor 12, a conveying belt 13 and a conveying guide rail 14. Figures 29-33As shown, the present application also comprises an umbrella tube feeding device 9, which comprises a feeding rack 91 having a feeding part for placing umbrella tubes and a conveying part for conveying umbrella tube feeding, the feeding part comprises a plurality of side-by-side storage bins 911, in this embodiment, three storage bins 911 are provided for placing large tubes, medium tubes and small tubes respectively, the upper end of the storage bin 911 is provided with a feeding port, the lower end of the storage bin 911 is provided with a discharge port, and the inside of the storage bin 911 is provided with a first guide plate 9111 which gradually inclines downward towards the discharge port, facilitating the rolling of the umbrella tube on the first guide plate 9111 towards the discharge port. The discharge port is provided with a sorting mechanism 92, which can sort the umbrella tubes in the storage bin 911 so that only one umbrella tube is sent out at a time. The conveying part comprises a feeding mechanism 93, and the feeding end of the feeding mechanism 93 corresponds to the discharge port. The sorting mechanism 92 comprises a sorting shaft 921, a sorting roller 922 and a second motor 923, the sorting shaft 921 is horizontally arranged at the discharge port, the sorting roller 922 is sleeved on the sorting shaft 921, and the sidewall of the storage bin 911 is provided with a sorting roller accommodation slot 9112 for the sorting roller 922 to extend into. The distance between the outer circumferential surface of the sorting roller 922 and the first guide plate 9111 is less than the diameter of the conveyed umbrella tube, thereby blocking the discharge port and preventing the umbrella tube on the first guide plate 9111 from sliding off the discharge port. The outer circumferential surface of the sorting roller 922 is uniformly provided with umbrella tube feeding grooves 9221, the second motor 923 is arranged on the feeding rack 91, the power output shaft of the second motor 923 is connected with the sorting shaft 921 through a belt pulley mechanism and drives the sorting shaft 921 to rotate. After adopting the above structure, the large tube, the medium tube and the small tube are placed in the storage bin 911 respectively, each umbrella tube slides along the first guide plate 9111 towards the discharge port, the second motor 923 drives the sorting shaft 921 to rotate and in turn drives the sorting roller 922 to rotate, when the sorting roller 922 rotates, the umbrella tube continuously rolls at the lower end of the sorting roller 922, avoiding the blocking of the discharge port. The umbrella tube can be embedded in the umbrella tube feeding groove 9221 when rolling, the umbrella tube is taken out of the discharge port when the umbrella tube feeding groove 9221 moves forward, and only one umbrella tube can be embedded in each umbrella tube feeding groove 9221, thereby realizing the output of one umbrella tube at a time from the discharge port, making the umbrella tube conveying more orderly, and realizing the automatic conveying of the umbrella tube, thereby improving the processing efficiency of the umbrella tube and reducing the labor cost.

[0080] Preferably, the material sorting mechanism 92 further comprises a second material guide plate 924, a separation frame 925, a first feeding cylinder 9261, a second feeding cylinder 9271, a material sorting stopper 9262 and a material sorting pressing block 9272. The second material guide plate 924 is connected to the lower end of the first material guide plate 9111, and gradually extends downward from back to front. The separation frame 925 is arranged above the second material guide plate 924, and both ends of the separation frame 925 are mounted on the feeding frame 91. The first feeding cylinder 9261 and the second feeding cylinder 9271 are arranged in parallel on the second material guide plate 924. The material sorting stopper 9262 is connected to the piston rod of the first feeding cylinder 9261, and the material sorting pressing block 9272 is connected to the piston rod of the second feeding cylinder 9271. The first feeding cylinder 9261 and the second feeding cylinder 9271 drive the material sorting stopper 9262 and the material sorting pressing block 9272 to move vertically on the second material guide plate 924. The material sorting stopper 9262 and the material sorting pressing block 9272 have a material containing space therebetween, and the front-to-back distance of the material containing space is equal to the diameter of the umbrella tube to be conveyed. After the umbrella tube slides down from the first material guide plate 9111 to the second material guide plate 924, the first feeding cylinder 9261 drives the material sorting stopper 9262 to descend and block the umbrella tube in the initial state. When separating, the second feeding cylinder 9271 drives the material sorting pressing block 9272 to descend and press the umbrella tube, so that only one umbrella tube is left in the material containing space. Then, the first feeding cylinder 9261 drives the material sorting stopper 9262 to rise, and the umbrella tube in the material containing space is separated and rolls down to the feeding mechanism 93, while the umbrella tube behind is pressed and fixed by the material sorting pressing block 9272, thereby adjusting the conveying speed and conveying interval of the umbrella tube and making the umbrella tube conveying more intelligent.

[0081] Preferably, in the embodiment, the feeding mechanism 93 comprises a third motor 931 and a conveying belt 932. The conveying belt 932 is arranged below the second material guide plate 924, and each conveying belt corresponds to a conveying chain. The third motor 931 is arranged on the feeding frame 91, and the third motor 931 is in transmission connection with the conveying belt 932. After adopting the above structure, the conveying belt 932 has simple structure, is convenient to arrange and layout, and is convenient to maintain. In addition, the conveying belt 932 can convey the umbrella tube more stably. A material guide baffle 9321 is further arranged above the discharge end of the conveying belt 932 and extends along the feeding direction of the conveying belt 932. After adopting the above structure, the discharge end of the conveying belt 932 can convey the umbrella tube more stably.

[0082] Preferably, the feeding mechanism 93 further comprises a fixed frame 951, the rear end of the feeding frame 91 is rotationally connected with the fixed frame 951, a third feeding cylinder 952 is arranged below the front end of the feeding frame 91, the third feeding cylinder 952 is vertically arranged, the piston rod of the third feeding cylinder 952 is rotationally connected with the feeding frame 91, and the discharge end of the feeding mechanism 93 is provided with a blocking plate 953. Specifically, the blocking plate 953 is arranged obliquely at the front end of the conveying belt 932, so that the umbrella tube cannot be automatically conveyed out of the conveying belt 932. After the above structure is adopted, when the conveying belt 932 needs to convey the umbrella tube at the front end to the assembly station, the third feeding cylinder 952 pulls down the front end of the feeding frame 91, the front end of the feeding frame 91 is downwardly deflected, the conveying belt 932 is downwardly inclined, the umbrella tube on the conveying belt 932 is driven to move downwardly together, and the umbrella tube on the conveying belt is clamped into the corresponding conveying mold base, so as to realize automatic feeding. Then the third feeding cylinder 952 drives the feeding frame 91 to be upwardly deflected and reset. Compared with the prior art, the above structure can realize automatic step feeding of the umbrella tube, make the umbrella tube conveying more orderly, and when the feeding frame 91 is downwardly deflected, three umbrella tubes can be simultaneously conveyed to the assembly station, further improving the conveying efficiency, and then improving the assembly speed of the umbrella tube.

[0083] Preferably, the feeding frame 91 is further provided with feeding limiting rods 954 on both sides below the feeding frame 91, the feeding limiting rods 954 are sleeved with buffer springs 955, the feeding limiting rods 954 are guided by the buffer springs 955, and the upper end of the buffer spring 955 abuts against the lower end of the feeding frame 91. After the above structure is adopted, the buffer spring 955 can abut against the feeding frame 91 to buffer during the deflection of the feeding frame 91, the feeding frame 91 swings more stably, the impact force received by the feeding frame 91 is reduced, the device is prevented from being damaged, and the service life of the device is prolonged.

[0084] Preferably, since the upper end and the lower end of the small tube are placement surfaces for smooth placement, the front and rear ends of the small tube are arc-shaped surfaces, and each of the arc-shaped surfaces has a small cutter slot for mounting a small cutter and a large cutter slot for mounting a large cutter, so that the front and rear ends of the small tube need to be oriented in advance during the process of feeding a large number of small tubes, to facilitate further assembly of the small tube. In the present application, the orientation mechanism 94 is arranged on the conveying belt 932 of the small tube, and the orientation mechanism 94 is used to position the front and rear orientations of the small tube. The orientation mechanism 94 includes a detection mechanism and an adjusting mechanism. The detection mechanism is arranged above the conveying belt 932, and the adjusting mechanism is arranged on the side of the conveying belt 932. The detection mechanism includes a detection cylinder 941 and a small tube baffle 942. The small tube baffle 942 is provided with a sensor 943 on the side surface facing the conveying belt 932. The sensor 943 can be an optical fiber sensor 943. The adjusting mechanism can fix one end of the umbrella tube and rotate the umbrella tube by 180 degrees. After the above structure is adopted, the conveying belt 932 conveys the small tube to the orientation mechanism 94. The detection cylinder 941 drives the small tube baffle 942 to descend to the conveying belt 932 to block the small tube. The optical fiber sensor 943 detects whether there is a slot on the arc-shaped surface of the front end of the small tube (determined by the difference in reflection amount). If there is a slot on the arc-shaped surface of the front end of the small tube, the detection cylinder 941 drives the small tube baffle 942 to rise, and the small tube continues to be conveyed forward by the conveying belt 932. If there is no slot on the arc-shaped surface of the front end of the small tube, the adjusting mechanism clamps and rotates the small tube by 180 degrees. Then the detection cylinder 941 drives the small tube baffle 942 to rise again, and the conveying belt 932 continues to convey the small tube forward. Compared with the prior art, the orientation of the small tube can be automatically oriented, thereby improving the conveying accuracy of the small tube, and further improving the assembly efficiency of the small tube.

[0085] In the present embodiment, the adjusting mechanism includes an adjusting rotation cylinder 944, a rotating pin 945, and an adjusting push-in cylinder 946. The rotating pin 945 is horizontally arranged on the side of the conveying belt 932. When the small tube baffle 942 blocks the small tube, the axis of the rotating pin 945 coincides with the axis of the small tube, so as to facilitate the insertion of the rotating pin 945 into the small tube. The adjusting rotation cylinder 944 is slidingly connected with the feeding rack 91 and drives the rotating pin 945 to rotate. The adjusting push-in cylinder 946 is arranged on the feeding rack 91 and drives the adjusting rotation cylinder 944 to move horizontally. After the above structure is adopted, when the small tube needs to be adjusted, the adjusting push-in cylinder 946 drives the adjusting rotation cylinder 944 to move horizontally, so as to drive the rotating pin 945 to be inserted into the small tube and be fixedly connected with the small tube. Then the adjusting rotation cylinder 944 drives the rotating pin 945 to rotate by 180 degrees, so that the small tube also rotates by 180 degrees around the axis, thereby realizing automatic adjustment of the orientation of the small tube, improving the assembly accuracy of the small tube, and reducing the labor cost of manual adjustment.

[0086] Preferably, the adjusting mechanism further comprises an adjusting sliding rail 947 arranged at the side of the upper feeding frame 91, the extending direction of the adjusting sliding rail 947 is parallel to the axis direction of the rotating pin 945, and an adjusting sliding block 948 is in sliding connection with the adjusting sliding rail 947, the piston rod of the adjusting push-in air cylinder 946 is connected with the adjusting sliding block 948, and the adjusting rotating air cylinder 944 is mounted on the adjusting sliding block 948.

[0087] The working steps of the present application are as follows:

[0088] (1) The umbrella tube feeding device transports the umbrella tube to the umbrella tube conveying mechanism: first, the large tube, the middle tube and the small tube are respectively placed in the corresponding storage bin, the material arranging mechanism arranges and conveys each umbrella tube, one umbrella tube is conveyed to the conveying belt at a time, the orientation mechanism orients the small tube on the conveying belt, and then each umbrella tube is conveyed to the front end of the conveying belt, the third upper feeding cylinder pulls the upper feeding frame to be inclined downward, and each umbrella tube is embedded into the corresponding conveying mold base below.

[0089] (2) The small blade assembly device assembles the small blade with one end of the small tube: the umbrella tube conveying mechanism conveys each umbrella tube to the side of the small blade assembly device, the small blade feeding device automatically feeds the small blade to the first blade pushing device, then the first blade pushing device pushes the small blade into the umbrella tube for initial assembly, and then the umbrella tube conveying mechanism conveys the umbrella tube to the second blade pushing device, and the second blade pushing device further pushes the small blade into the small tube for sufficient fixation.

[0090] (3) The first push rod device pushes the small tube into the middle tube for assembly: the umbrella tube conveying mechanism conveys each umbrella tube to the side of the first push rod device, the first push rod driving cylinder drives the small tube push rod to translate, the small tube push rod abuts against one side end of the small tube and pushes the small tube into the middle tube and the large tube.

[0091] (4) The spring assembly device assembles the spring into the outer end of the middle tube: the umbrella tube conveying mechanism conveys the umbrella tube to the spring assembly device, the spring block driving device drives the spring block to descend and block the discharge port of the first upper feeding track, the first vibrating upper feeding machine automatically feeds the spring along the first upper feeding track, and since the discharge port of the first upper feeding track is blocked, the springs are automatically arranged on the first upper feeding track. During assembly, the spring pressing block driving device drives the spring pressing block to descend and tightly fix the second spring at the discharge port of the first upper feeding track, then the spring block driving device drives the spring block to rise, the first spring at the discharge port of the first upper feeding track is blown into the spring feeding groove through the blowing device. Finally, the second push rod driving cylinder drives the spring push rod to translate, and the spring is pushed along the spring guide groove and assembled into the middle tube.

[0092] (5) The second push rod device assembles the middle tube into the large tube: the umbrella tube conveying mechanism conveys the umbrella tube to the second push rod device, the second push rod driving cylinder drives the middle tube push rod to move axially into the middle tube, and pushes the small tube and the middle tube through the large tube, after that, the small tube clamping jaw clamps the end of the small tube, and the small tube clamping jaw driving device drives the small tube clamping jaw to translate, and pulls the small tube and the middle tube out of the large tube.

[0093] (6) The large knife assembly device assembles the large knife with the other end of the small tube: the umbrella tube conveying mechanism conveys each umbrella tube to the side of the large knife assembly device, and the large knife assembly device assembles the large knife on the small tube.

[0094] (7) The middle slot assembly device assembles the middle slot on the umbrella tube: the umbrella rib conveying mechanism conveys the umbrella tube horizontally to the side of the material block, the second vibrating feeder conveys the upper slot uniformly to the middle slot material block along the second feeding track, the positioning rod driving device drives the umbrella tube positioning rod to translate axially through the middle slot and extend into the umbrella tube, the third lifting driving mechanism drives the umbrella tube material block to descend, and then the middle slot push plate driving device drives the middle slot push plate to push the middle slot, so that the middle nest translates along the umbrella tube positioning rod and is sleeved on the umbrella tube. Finally, the middle slot push plate and the umbrella tube positioning rod translate away from the umbrella tube, respectively.

[0095] (8) The outer tooth assembly device assembles and rivets the outer tooth on the large tube: the umbrella rib conveying mechanism conveys the umbrella tube to the side of the outer tooth assembly slide plate, the outer tooth baffle driving device drives the outer tooth baffle to descend to block the discharge end of the outer tooth clamping groove 631. The third vibrating feeder conveys the outer tooth to the outer tooth clamping groove along the third feeding track. Then the outer tooth pressing block driving device drives the outer tooth pressing block to descend and press tightly the outer tooth in the outer tooth clamping groove. The outer tooth baffle driving device drives the outer tooth baffle to rise again, the outer tooth slide plate driving device drives the outer tooth assembly slide plate to approach the umbrella tube, inserts the outer tooth in the outer tooth clamping groove on the end of the umbrella tube, and then the outer tooth pressing block driving device drives the outer tooth pressing block to rise and releases the outer tooth, the outer tooth slide plate driving device drives the outer tooth assembly slide plate to move away from the umbrella tube to complete the assembly, finally, the umbrella rib conveying mechanism conveys the umbrella tube with the assembled outer tooth to the outer tooth automatic riveting mechanism, and the outer tooth automatic riveting mechanism rivets the outer tooth and the large tube.

[0096] (9) The upper groove assembly device assembles and rivets the upper groove on the small tube: the umbrella rib conveying mechanism conveys the umbrella tube to the side of the upper groove assembly sliding block, the positioning sliding block driving device drives the upper groove pressure block to descend and press the boss part of the upper groove, so as to fix the upper groove on the upper groove receiving groove, then the pressure block driving device drives the positioning sliding block to separate from the upper groove, the assembly sliding block driving device drives the upper groove assembly sliding block to approach the umbrella tube, and the upper groove is sleeved on the end of the umbrella tube, finally the positioning sliding block driving device drives the upper groove pressure block to rise and loosen the upper groove, and the assembly sliding block driving device drives the upper groove assembly sliding block to reset to complete a assembly process. Finally, the umbrella rib conveying mechanism conveys the umbrella tube with the assembled upper groove to the upper groove automatic riveting mechanism, and the upper groove automatic riveting mechanism rivets the upper groove and the small tube.

[0097] (10) The material shrinking device shrinks and collects the assembled umbrella middle rod: the umbrella tube conveying mechanism conveys the assembled umbrella middle rod horizontally to above the umbrella tube jacking device, the umbrella tube jacking device horizontally jacks up both ends of the umbrella middle rod, so that the axis of the umbrella middle rod is aligned with the abutting convex block. Then the push driving device drives the first push plate to translate along the axis direction of the umbrella middle rod and abut against one end of the umbrella middle rod, and the other end of the umbrella middle rod abuts against the umbrella tube jacking device, so as to fix the umbrella middle rod, then the push driving device drives the abutting convex block to continue to translate to realize automatic shrinking of the umbrella middle rod, and then the umbrella middle rod falls onto the material shrinking guide rail for collection.

[0098] Compared with the prior art, the umbrella middle rod can be assembled in a pipeline type automatic manner, the assembly efficiency of the umbrella middle rod is effectively improved, the labor cost is greatly reduced, and the assembly precision and quality of the umbrella middle rod are further improved.

[0099] The above embodiments and drawings do not limit the product shape and style of the present application, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present application.

Claims

1. An automatic riveting equipment for assembling a plastic part of a middle stick of an umbrella, characterized in that, The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate.

2. The automatic riveting equipment for assembling the plastic part of the middle stick of an umbrella according to claim 1, characterized in that, The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate.

3. The automatic riveting equipment for assembling the plastic part of the middle stick of an umbrella according to claim 2, characterized in that, The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate.

4. The automatic riveting equipment for assembling the plastic part of the middle stick of an umbrella according to claim 3, characterized in that, The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. 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The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod driving device drives the umbrella tube positioning rod to translate. The umbrella tube positioning rod is arranged on the middle groove mounting rack, and the positioning rod 5. The automatic riveting equipment for assembling the plastic part of the umbrella middle stick according to claim 1, characterized in that, The upper groove assembly device further comprises a fourth vibrating feeder; the fourth vibrating feeder has a fourth feeding track; the upper groove assembly slider is slidably connected to the upper end of the upper groove assembly frame; the assembly slider driving device drives the upper groove assembly slider to translate; the front end of the upper groove assembly slider is provided with an upper groove receiving groove connected to the fourth feeding track; the upper groove receiving groove is provided above with an upper groove pressing block and a pressing block driving device driving the upper groove pressing block to lift; the positioning slider is arranged in front of the upper groove receiving groove; the side surface of the positioning slider is provided with an upper groove positioning groove; and the positioning slider driving device is arranged on the upper groove assembly frame and drives the positioning slider to move horizontally.

6. The automatic riveting equipment for assembling the plastic part of the middle stick of an umbrella according to claim 5, characterized in that, The side wall of the upper groove positioning groove has a positioning face abutting against the connecting pipe part of the upper groove.

7. The automatic riveting equipment for assembling the plastic part of the middle stick of an umbrella according to claim 5, characterized in that, The upper groove receiving groove has an arc transition surface matching the boss part of the upper groove.

8. The automatic riveting equipment for assembling the plastic part of the middle stick of an umbrella according to claim 5, characterized in that, The lower surface of the pressing block is provided with a let-go groove.

9. The automatic riveting equipment for assembling the plastic umbrella stick in the umbrella according to any one of claims 1-8, characterized in that, The device further comprises a material shrinking device, which comprises an umbrella tube jacking device jacking the middle rod of the umbrella on the umbrella tube conveying mechanism and an umbrella tube pushing device for shrinking the middle rod of the umbrella, the umbrella tube jacking device is arranged on both sides of the umbrella tube conveying mechanism, the umbrella tube pushing device comprises a pushing frame, a first pushing plate, a pushing driving device, a second pushing plate, a first pushing push rod and a second pushing push rod, the first pushing plate is provided with an abutting bump abutting against and pushing the end part of the middle rod of the umbrella, the pushing driving device is arranged on the pushing frame, the pushing driving device drives the first pushing plate to move along the axial direction of the middle rod of the umbrella, the second pushing plate is arranged in front of the first pushing plate, the first pushing plate and the second pushing plate are fixed on the first pushing push rod, the first pushing push rod is slidably connected to the pushing frame, the second pushing push rod is slidably connected to the pushing frame, and the front end of the second pushing push rod is fixedly connected to the second pushing plate.

Images