An automatic assembly line for guide rails of construction machinery

Abstract

The present invention discloses an automatic assembly line for guide rails of construction machinery, including a conveying system, wherein the conveying system is horizontally provided with a loading section conveyor, a guide rail rack assembly section conveyor, a guide rail rack end face detection section conveyor, a guide rail standard section splicing section conveyor and a standard section output section conveyor in sequence from one end to the other end, rack assembly stations are provided on both sides of the guide rail rack assembly section conveyor, a side line for rejecting unqualified products is provided on one side of the rack end face detection section conveyor, standard section splicing stations are provided on both sides of the guide rail standard section splicing section conveyor, a finished product side shifting mechanism is provided on one side of the standard section output section conveyor, and a stacking truss manipulator is provided on the upper end of the finished product side shifting mechanism. The advantages of the present invention compared with the prior art are: it realizes loading, positioning, pre-tightening, debugging, online detection, automatic unloading, meets the consistency of quality, and reduces the intensity of manual labor.

Description

Technical Field

[0001] The invention relates to the technical field of construction machinery guide rail assembly, in particular to an automatic assembly line for construction machinery guide rails. Background Art

[0002] A construction elevator is a type of construction machinery used to transport personnel and goods up and down to designated floors of a building during construction. The guide rail refers to the guide rail device used for the up and down movement of the construction elevator. It is modularly increased or decreased according to the required height, and its single section requires high precision and high interchangeability.

[0003] The meshing accuracy of the gears and racks in the guide rails of construction hoists moving up and down in the current construction machinery industry is relatively high. The industry generally adopts booth-style assembly and manual handling to assemble and verify the racks, which occupies a large area, has low work efficiency, high labor intensity, poses safety hazards, and the stability of quality cannot be guaranteed. Summary of the invention

[0004] The present invention aims to solve the technical problems mentioned in the above background technology, and to provide an automatic assembly line for guide rails of construction machinery that can be assembled automatically and has high assembly quality and efficiency.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is: an automatic assembly line for construction machinery guide rails, including a conveying system, on which a loading section conveyor, a guide rail rack assembly section conveyor, a guide rail rack end face detection section conveyor, a guide rail standard section splicing section conveyor and a standard section output section conveyor are horizontally arranged in sequence from one end to the other end, one end of the loading section conveyor is provided with a standard section positioning and stacking area and a manual loading auxiliary manipulator, both sides of the guide rail rack assembly section conveyor are provided with rack assembly stations, one side of the rack end face detection section conveyor is provided with a defective product rejection side line, both sides of the guide rail standard section splicing section conveyor are provided with standard section splicing stations, one side of the standard section output section conveyor is provided with a finished product side shifting mechanism, and the upper end of the finished product side shifting mechanism is provided with a stacking truss manipulator.

[0006] Furthermore, the rack assembly station includes a rack stacking area, which is arranged on both sides of the guide rail rack assembly section conveyor, and a rack auxiliary transport mechanism is provided at the upper end. One end of the rack auxiliary transport mechanism is connected to a cantilever manipulator, and also includes a rack assembly positioning device and an electric torque wrench.

[0007] Furthermore, the rack assembly positioning device is installed at the lower end of the guide rail rack assembly section conveyor, and includes a lifting cylinder 1, which extends in the vertical direction and has a positioning platform at its upper end. A standard section positioning assembly is provided on the positioning platform, and rack positioning assemblies are provided on both sides of the standard section positioning assembly.

[0008] Furthermore, the rack positioning assembly includes a telescopic driving member, a fixed seat and a movable clamping seat, a telescopic driving member is provided on the connecting line between the fixed seat and the movable clamping seat, one end of the telescopic driving member is connected to the positioning platform, and the other end is rotatably connected to the movable clamping seat, and the movable clamping seat moves along the horizontal line where the axial direction of the telescopic driving member is located.

[0009] Furthermore, the standard section positioning assembly includes a positioning seat fixedly connected to the positioning platform and a telescopic driving member 2 arranged on one side of the positioning seat, one end of the telescopic driving member 2 is connected to the positioning platform, and the other end thereof abuts against the standard section.

[0010] Furthermore, the standard section splicing station includes a splicing positioning device and an electric torque wrench, the splicing positioning device includes a lifting cylinder 2, the upper end of the lifting cylinder 2 is fixedly connected to a splicing platform, a splicing guide line body is provided on the splicing platform, and a telescopic driving component 3 and a telescopic driving component 4 are respectively provided at the inner two ends of the splicing guide line body, the axial directions of the telescopic driving component 3 and the telescopic driving component 4 are parallel to the splicing guide line body, the ends thereof far away from each other are fixedly connected to the splicing platform, and the ends thereof close to each other abut against the standard section, and electric torque wrenches are provided on both sides of the splicing guide line body.

[0011] Furthermore, the manual feeding auxiliary manipulator is a specially customized Konecranes KBK, the front end of which is connected with a pneumatic finger, which is used to grasp the standard section, and the contact between the pneumatic finger and the standard section is made of nylon material.

[0012] Furthermore, the manual feeding auxiliary manipulator has an effective operating length of 5m, a width of 4m, a lifting height of 3m, a lifting weight ≥0.5t, and a lifting speed of 3-12m / min.

[0013] Furthermore, the feeding section conveyor, the guide rail rack assembly section conveyor, the guide rail rack end face detection section conveyor, the guide rail standard section splicing section conveyor and the standard section output section conveyor have the same conveying direction and their upper end faces are coplanar, the upper end face height is 900mm, the surface material of the conveying roller is silicone rubber, the surface material of the side guide roller is polyurethane, the transmission speed is 8-12m / min, and the line load-bearing capacity is 0.5t / m.

[0014] Furthermore, the stacking truss robot is a truss structure, driven by a servo system, with an effective operating length of 6.75m, an effective operating width of 3.6m, an effective lifting height of 1.5m, a lifting weight ≥0.5T, a lifting speed of 3-12m / min, a walking speed of 10-15m / min, and a positioning accuracy of ±2mm; the stacking truss robot is equipped with pneumatic fingers, and the contact between the pneumatic fingers and the standard sections is made of nylon material.

[0015] Furthermore, an end face detection device is provided on the guide rail rack end face detection section conveyor.

[0016] Furthermore, after 5 groups of finished product standard sections are placed on the finished product side shifting mechanism and stacking is completed, the finished product side shifting mechanism realizes the circular movement of the transfer bracket along the load-bearing guide rail beam, so that the finished product standard section is moved out from one side of the standard section output section conveyor.

[0017] Compared with the prior art, the invention has the advantages of realizing loading, positioning, pre-tightening, debugging, online detection, and automatic unloading, thus meeting the quality consistency and reducing the labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic top view of the assembly line layout of an embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the front view of the rack assembly positioning device.

[0020] Figure 3 Schematic diagram of the left side view of the rack assembly positioning device.

[0021] Figure 4 It is a schematic diagram of the main view of the splicing positioning device.

[0022] Figure 5 It is a left view schematic diagram of the splicing positioning device.

[0023] In the attached figure: 1. conveying system; 11. feeding section conveyor; 12. guide rail rack assembly section conveyor; 13. guide rail rack end face detection section conveyor; 14. guide rail standard section splicing section conveyor; 15. standard section output section conveyor; 16. palletizing truss manipulator; 17. rejecting side line for unqualified products; 18. finished product side shifting mechanism; 19. manual feeding auxiliary manipulator;

[0024] 2. Standard section positioning and palletizing area;

[0025] 3. Rack assembly station; 31. Rack stacking area; 32. Rack auxiliary handling mechanism; 33. Rack assembly positioning device; 331. Lifting cylinder 1; 332. Positioning platform; 333. Standard section positioning assembly; 334. Rack positioning assembly; 3331. Positioning seat; 3332. Telescopic drive component 2; 3341. Telescopic drive component 1; 3342. Fixed seat; 3343. Mobile clamping seat;

[0026] 4. Standard section splicing station; 41. Splicing positioning device; 411. Lifting cylinder 2; 412. Splicing platform; 413. Splicing guide line body; 414. Telescopic drive component 3; 415. Telescopic drive component 4. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0028] Combination Figure 1-Figure 5 As shown, an automatic assembly line for guide rails of construction machinery comprises a conveying system 1, on which a loading section conveyor 11, a guide rail rack assembly section conveyor 12, a guide rail rack end face detection section conveyor 13, a guide rail standard section splicing section conveyor 14 and a standard section output section conveyor 15 are arranged horizontally in sequence from one end to the other end. The loading section conveyor 11, the guide rail rack assembly section conveyor 12, the guide rail rack end face detection section conveyor 13, the guide rail standard section splicing section conveyor 14 and the standard section output section conveyor 15 have the same conveying direction and their upper end faces are coplanar, the upper end face height is 900 mm, the surface material of the conveying roller is silicone rubber, the surface material of the side guide roller is polyurethane, the transmission speed is 8-12 m / min, and the line body load-bearing weight is 0.5 t / m.

[0029] One end of the feeding section conveyor 11 is provided with a standard section positioning and stacking area 2 and a manual feeding auxiliary manipulator 19. The manual feeding auxiliary manipulator 19 is a specially customized Kone KBK with an effective operating length of 5m, a width of 4m, a lifting height of 3m, a lifting weight ≥0.5t, and a lifting speed of 3-12m / min. A pneumatic finger is connected to the front end of the manual feeding auxiliary manipulator 19, and the pneumatic finger is used to grab the standard section from the standard section positioning and stacking area 2. The contact between the pneumatic finger and the standard section is made of nylon material.

[0030] The rack assembly station 3 is provided on both sides of the guide rail rack assembly section conveyor 12. The rack assembly station 3 includes a rack stacking area 31. The rack stacking area 31 is provided on both sides of the guide rail rack assembly section conveyor 12. A rack auxiliary handling mechanism 32 is provided at the upper end thereof. A cantilever manipulator is connected to one end of the rack auxiliary handling mechanism 32. The rack assembly positioning device 33 and an electric torque wrench are also provided. The rack assembly positioning device 33 is installed at the lower end of the guide rail rack assembly section conveyor 12. , including a lifting cylinder 331, the lifting cylinder 331 extends in the vertical direction, and a positioning platform 332 is provided at its upper end, and a standard section positioning assembly 333 is provided on the positioning platform 332, and the standard section positioning assembly 333 includes a positioning seat 3331 fixedly connected to the positioning platform 332 and a telescopic driving member 3332 arranged on one side of the positioning seat 3331, one end of the telescopic driving member 3332 is connected to the positioning platform 332, and the other end thereof abuts against the standard section.

[0031] Rack positioning assemblies 334 are provided on both sides of the standard section positioning assembly 333, and the rack positioning assembly 334 includes a telescopic driving member 3341, a fixed seat 3342 and a movable clamping seat 3343. A telescopic driving member 3341 is provided on the connecting line between the fixed seat 3342 and the movable clamping seat 3343, one end of the telescopic driving member 3341 is connected to the positioning platform 332, and the other end thereof is rotatably connected to the movable clamping seat 3343, and the movable clamping seat 3343 moves along the horizontal line where the axial direction of the telescopic driving member is located.

[0032] A side line 17 for rejecting defective products is provided on one side of the rack end face detection section conveyor, and an end face detection device is provided on the guide rail rack end face detection section conveyor 13 .

[0033] Standard section splicing stations 4 are provided on both sides of the guide rail standard section splicing section conveyor 14, and the standard section splicing stations 4 include a splicing positioning device 41 and an electric torque wrench, etc. The splicing positioning device 41 includes a lifting cylinder 411, and the upper end of the lifting cylinder 411 is fixedly connected to a splicing platform 412, and a splicing guide line body 413 is provided on the splicing platform 412, and a telescopic driving member 3 414 and a telescopic driving member 415 are respectively provided at the inner two ends of the splicing guide line body 413, and the axial directions of the telescopic driving member 3 414 and the telescopic driving member 415 are parallel to the splicing guide line body 413, and the ends thereof far away from each other are fixedly connected to the splicing platform 412, and the ends thereof close to each other are abutted on the standard section, and electric torque wrenches are provided on both sides of the splicing guide line body 413.

[0034] A finished product side-shifting mechanism 18 is provided on one side of the standard section output section conveyor 15, and a stacking truss manipulator 16 is provided on the upper end of the finished product side-shifting mechanism 18. The stacking truss manipulator 16 is a truss structure driven by a servo system, with an effective operating length of 6.75m, an effective operating width of 3.6m, an effective lifting height of 1.5m, a lifting weight ≥0.5T, a lifting speed of 3-12m / min, a walking speed of 10-15m / min, and a positioning accuracy of ±2mm; the stacking truss manipulator 16 is equipped with pneumatic fingers, and the contact between the pneumatic fingers and the standard section is made of nylon material.

[0035] The present invention is specifically implemented:

[0036] like Figure 1 As shown, the main process of the present invention during production is as follows:

[0037] S1, standard section loading, using the pneumatic fingers on the manual loading auxiliary manipulator 19 to clamp the standard section positioned on the standard section positioning and stacking area 2, and hoist the standard section to be placed on the loading section conveyor 11.

[0038] S2, rack assembly, combined Figure 2-Figure 3 As shown, after the guide rail standard section is transported to the guide rail rack assembly section conveyor 12, the rack assembly positioning device 33 is automatically lifted to the specified position by the lower cylinder, and the standard section is positioned by the standard section positioning component 333. The cantilever manipulator of the rack auxiliary transport mechanism 32 grabs the rack from the rack stacking area 31 and transports it to the rack positioning component 334 for positioning. After the relative position between the rack position and the standard section is positioned, the rack auxiliary transport mechanism 32 is used to transport the rack to the installation position on the standard section, and an electric torque wrench is used for assembly, which reduces the workload of the staff and improves the assembly efficiency.

[0039] S3, mark section detection, combined Figure 1 As shown, the assembled guide rail standard section is transported to the end face detection device for detection, qualified products continue to be transported for the next step of installation, and unqualified products are removed from the unqualified product removal side line 17.

[0040] S4, splicing installation placement, combined Figure 3 , Figure 4 As shown, two standard sections that have passed the inspection are conveyed to the guide rail standard section splicing section conveyor 14, so that the two standard sections are arranged on the splicing guide line body 413, and the lifting cylinder 411 is extended to lift the splicing platform 412 to ensure that the lower main chords of the two standard sections are basically aligned, and the stoppers of the lower main chords of the two standard sections are matched, and the telescopic drive member 3 414 and the telescopic drive member 4 415 at both ends of the splicing platform 412 are extended and pressed against the two standard sections to make them completely merged, and after the bolts are installed, the telescopic drive member 3 414 and the telescopic drive member 4 415 are retracted, and the lifting cylinder 411 is lowered and reset.

[0041] S5. The spliced ​​standard sections are continuously conveyed to the standard section output section conveyor 15. The servo system's stacking truss manipulator 16 is used to stack the spliced ​​standard sections offline and place them on the finished product side shift mechanism 18. After 5 groups of finished product standard sections are placed on the finished product side shift mechanism 18 to complete the stacking, the finished product side shift mechanism 18 realizes the circular movement of the transfer bracket along the load-bearing guide rail beam, so that the finished standard sections are moved out from one side of the standard section output section conveyor 15.

[0042] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0045] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic assembly line for guide rails of construction machinery, comprising a conveying system (1), characterized in that: The conveying system (1) is provided with a loading section conveyor (11), a guide rail rack assembly section conveyor (12), a guide rail rack end face detection section conveyor (13), a guide rail standard section splicing section conveyor (14) and a standard section output section conveyor (15) in sequence from one end to the other end; one end of the loading section conveyor (11) is provided with a standard section positioning and stacking area (2) and a manual loading auxiliary manipulator (19); both sides of the guide rail rack assembly section conveyor (12) are provided with a rack assembly station (3); one side of the rack end face detection section conveyor is provided with a defective product rejection side line (17); both sides of the guide rail standard section splicing section conveyor (14) are provided with a standard section splicing station (4); one side of the standard section output section conveyor (15) is provided with a finished product side shifting mechanism (18); and the upper end of the finished product side shifting mechanism (18) is provided with a stacking truss manipulator (16); The rack assembly station (3) comprises a rack stacking area (31), the rack stacking area (31) being arranged on both sides of the guide rail rack assembly section conveyor (12), the upper end of which is provided with a rack auxiliary transport mechanism (32), one end of which is connected to a cantilever manipulator, and further comprising a rack assembly positioning device (33) and an electric torque wrench; The rack assembly positioning device (33) is installed at the lower end of the guide rail rack assembly section conveyor (12), and comprises a lifting cylinder (331). The lifting cylinder (331) extends in the vertical direction, and a positioning platform (332) is provided at the upper end thereof. A standard section positioning component (333) is provided on the positioning platform (332), and rack positioning components (334) are provided on both sides of the standard section positioning component (333); The rack positioning assembly (334) comprises a telescopic driving member (3341), a fixed seat (3342) and a movable clamping seat (3343); a telescopic driving member (3341) is provided on the connecting line between the fixed seat (3342) and the movable clamping seat (3343); one end of the telescopic driving member (3341) is connected to the positioning platform (332), and the other end is rotatably connected to the movable clamping seat (3343); the movable clamping seat (3343) moves along the horizontal line where the axial direction of the telescopic driving member is located; The standard section positioning assembly (333) comprises a positioning seat (3331) fixedly connected to the positioning platform (332) and a second telescopic driving member (3332) provided on one side of the positioning seat (3331), wherein one end of the second telescopic driving member (3332) is connected to the positioning platform (332) and the other end thereof abuts against the standard section; The standard section splicing station (4) comprises a splicing positioning device (41) and an electric torque wrench. The splicing positioning device (41) comprises a second lifting cylinder (411). The upper end of the second lifting cylinder (411) is fixedly connected to a splicing platform (412). A splicing guide wire body (413) is provided on the splicing platform (412). A telescopic drive member 3 (414) and a telescopic drive member 4 (415) are respectively provided at two inner ends of the splicing guide wire body (413). The axial directions of the telescopic drive member 3 (414) and the telescopic drive member 4 (415) are parallel to the splicing guide wire body (413). The ends thereof that are far away from each other are fixedly connected to the splicing platform (412), and the ends thereof that are close to each other abut against the standard section. Electric torque wrenches are provided on both sides of the splicing guide wire body (413).

2. The automatic assembly line for guide rails of construction machinery according to claim 1, characterized in that: The manual feeding auxiliary manipulator (19) is a specially customized Konecranes KBK, and a pneumatic finger is connected to its front end. The pneumatic finger is used to grasp the standard joint, and the contact between the pneumatic finger and the standard joint is made of nylon material.

3. The automatic assembly line for guide rails of construction machinery according to claim 2, characterized in that: The manual feeding auxiliary manipulator (19) has an effective operating length of 5 m, a width of 4 m, a lifting height of 3 m, a lifting weight ≥ 0.5 t, and a lifting speed of 3-12 m / min.

4. The automatic assembly line for guide rails of construction machinery according to claim 1, characterized in that: The feeding section conveyor (11), the guide rail rack assembly section conveyor (12), the guide rail rack end face detection section conveyor (13), the guide rail standard section splicing section conveyor (14) and the standard section output section conveyor (15) have the same conveying direction and their upper end faces are coplanar, the upper end face height is 900mm, the surface material of the conveying roller is silicone rubber, the surface material of the side guide roller is polyurethane, the transmission speed is 8-12m / min, and the line body load capacity is 0.5t / m.

5. The automatic assembly line for guide rails of construction machinery according to claim 1, characterized in that: The stacking truss manipulator (16) is a truss structure, driven by a servo system, with an effective operating length of 6.75m, an effective operating width of 3.6m, an effective lifting height of 1.5m, a lifting weight ≥0.5T, a lifting speed of 3-12m / min, a walking speed of 10-15m / min, and a positioning accuracy of ±2mm; the stacking truss manipulator (16) is equipped with pneumatic fingers, and the contact between the pneumatic fingers and the standard joints is made of nylon material.

Images