Rack assembly machine
Technical Field
The utility model relates to an rigging equipment technical field specifically is rack assembly machine.
Background
The rack is widely applied to automation equipment in occasions with requirements on high rotating speed, long distance, long service life, low friction, large load, high precision and the like, and the rack is generally assembled on a guide rail and matched with a cylindrical gear for use. The existing rack assembly equipment is suitable for assembling a rack on a small-sized mechanism, the technology for assembling the rack on a large-sized mechanism is not perfect, and the existing rack assembly equipment is difficult to assemble and needs a large amount of time for directly installing the rack on the large-sized mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's shortcoming, providing one kind can be automatic with the rack assembly on the standard festival, improve work efficiency, simple structure is applicable to the rack assembly machine of the assembly of well bold rack.
The utility model discloses a realize through following technical scheme: the rack assembly machine comprises a machine frame, an assembly part clamping mechanism, an assembly part pushing mechanism, an X-axis transverse moving machine frame, a nut clamping mechanism, a screwing motor and a rack pushing mechanism, wherein the assembly part clamping mechanism is rotatably arranged on the machine frame, the assembly part pushing mechanism is arranged beside the assembly part clamping mechanism, the X-axis transverse moving machine frame is arranged on the machine frame through an X-axis guide rail and is positioned above the assembly part clamping mechanism, two mounting plates and a plurality of mounting frames which are distributed at intervals are arranged on the X-axis transverse moving machine frame through a Y-axis guide rail, a mounting seat is arranged on each mounting frame through a first Z-axis guide rail, a driving cylinder is arranged on each mounting seat, the screwing motor and the nut clamping mechanism are arranged on the mounting seats, and the driving cylinder is connected with the nut clamping mechanism, the output end of the tightening motor is connected with a bolt tightening tool bit, two second Z-axis guide rails are arranged on the mounting plate respectively, the rack pushing mechanism is connected between the second Z-axis guide rails, and a rack placing column is arranged on the rack pushing mechanism.
Further: the assembly part clamping mechanism comprises a connecting rod, a clamping cylinder and two oppositely arranged clamping plates, wherein the two clamping plates are connected with the two parallel connecting rods, the end parts of the connecting rods are connected with the clamping plates through telescopic assemblies, the clamping cylinder is arranged right below each connecting rod, the clamping cylinders drive the two clamping plates to be close to or away from each other, and the inner walls of the clamping plates are provided with four positioning columns which are distributed in a rectangular shape.
Further: the telescopic assembly comprises a sliding column and a sliding sleeve, the sliding sleeve is fixedly arranged on the clamping plate, the sliding column is slidably arranged in the sliding sleeve, one end of the sliding column is fixedly connected with the end part of the connecting rod, and a positioning groove is formed in the positioning column.
Further: and a rack clamping arm is arranged between every two positioning columns on the inner wall of each clamping plate and is fixedly connected with a screw nut, the screw nut is sleeved on a screw rod, and the screw rod is connected with a clamping motor.
Further: two the clamp plate outer wall is fixedly connected with rotation axis respectively, the rotation axis passes through bearing and bearing frame movable mounting in the frame, be provided with driving motor in the frame, one of them fixed cover is equipped with driven gear on the rotation axis, driving motor's output is connected with the driving gear, driving gear and driven gear intermeshing.
Further: the assembly part pushing mechanism comprises a pushing frame, a pushing plate and clamping jaws, the pushing frame is arranged on the rack, a pushing cylinder is arranged on the pushing frame, pushing slide rails are arranged on two sides of the pushing frame respectively, the pushing plate is arranged on the pushing slide rails through a pushing slide block, the pushing cylinder is connected with the pushing plate, and four clamping jaws which are distributed in a rectangular shape are arranged on the pushing plate.
Further: two clamping slide rails are arranged on the pushing plate, and four clamping jaws are arranged on the two clamping slide rails through two clamping slide blocks respectively.
Further: each clamping jaw is provided with a clamping groove with an outward opening.
Further: the rack pushing mechanism comprises a supporting rod and a pushing arm, the two ends of the supporting rod are respectively connected with a pushing sliding seat, the pushing sliding seat can be movably arranged on the second Z-axis guide rail, the pushing sliding seat is connected with the pushing arm, and the rack placing column is installed on the pushing arm.
Further: the nut clamping mechanism comprises a supporting plate, a clamping structure and a supporting column, wherein the clamping structure is arranged on the supporting plate, and two ends of the supporting column are respectively connected with the supporting plate and the driving cylinder.
The utility model has the advantages that
Compared with the prior art, the standard joint is pushed to the assembly part clamping mechanism through the assembly part pushing mechanism to be clamped tightly, the rack moves in a three-axis mode along the X-axis guide rail, the Y-axis guide rail and the second Z-axis guide rail through the rack pushing mechanism to send the rack to a position, to be assembled, of the standard joint, the nut clamping mechanism aligns the nut to a threaded hole of the rack through the three-axis motion along the X-axis guide rail, the Y-axis guide rail and the first Z-axis guide rail, the bolt tightening tool bit moves to the position above the threaded hole of the rack in a three-axis mode in a similar mode, the bolt tightening tool bit is driven by the tightening motor to rotate to tighten the bolt and the nut, and therefore assembly can be completed.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the fitting clamping mechanism and standard knot configuration;
FIG. 4 is a first structural view of the X-axis traverse gantry;
FIG. 5 is a schematic view of the X-axis traverse gantry;
FIG. 6 is a schematic view of the fitting clamping mechanism;
fig. 7 is a schematic structural view of a Y-axis guide rail, a first Z-axis guide rail, and a second Z-axis guide rail.
Description of reference numerals: 1-a rack, 2-an assembly part clamping mechanism, 21-a connecting rod, 22-a clamping cylinder, 23-a clamping plate, 24-a positioning column, 241-a positioning groove, 25-a sliding column, 26-a sliding sleeve, 3-an assembly part pushing mechanism, 31-a pushing frame, 32-a pushing plate, 321-a clamping slider, 33-a clamping jaw, 331-a clamping groove, 34-a pushing sliding rail, 35-a pushing slider, a 4-X-axis transverse moving rack, a 41-X-axis guide rail, a 42-Y-axis guide rail, a 43-a mounting plate, a 44-a mounting frame, 45-a first Z-axis guide rail, a 46-a mounting seat, a 47-a driving cylinder, a 48-a second Z-axis guide rail, a 5-a nut clamping mechanism, a 51-a supporting plate and 52-a clamping structure, 53-support column, 6-tightening motor, 61-bolt tightening tool bit, 7-rack pushing mechanism, 71-rack placing column, 72-support rod, 73-pushing arm, 74-pushing slide, 81-rack clamping arm, 82-screw rod, 83-clamping motor, 84-driving motor, 85-rotating shaft, 86-driven gear, 91-rack, 92-standard joint, 921-cylinder.
Detailed Description
Fig. 1-7 are schematic structural diagrams of an embodiment of a rack assembly machine provided by the present invention, which includes a frame 1, an assembly clamping mechanism 2, an assembly pushing mechanism 3, an X-axis transverse moving frame 41, a nut clamping mechanism 5, a tightening motor 6, and a rack pushing mechanism 7, wherein the assembly clamping mechanism 2 is rotatably disposed on the frame 1, the assembly pushing mechanism 3 is disposed beside the assembly clamping mechanism 2, the X-axis transverse moving frame 41 is disposed on the frame 1 through an X-axis guide rail 41, the X-axis transverse moving frame 41 is disposed above the assembly clamping mechanism 2, two mounting plates 43 and a plurality of mounting frames 44 are disposed on the X-axis transverse moving frame 41 through a Y-axis guide rail 42, a mounting seat 46 is disposed on each mounting frame 44 through a first Z-axis guide rail 45, a driving cylinder 47 is disposed on the mounting seat 46, the tightening motor 6 and the nut clamping mechanism 5 are disposed on the mounting seat 46, the driving cylinder 47 is connected with the nut clamping mechanism 5, the output end of the screwing motor 6 is connected with the bolt screwing tool bit 61, the two mounting plates 43 are respectively provided with a second Z-axis guide rail 48, a rack pushing mechanism 7 is connected between the two second Z-axis guide rails 48, and a rack placing column 71 is arranged on the rack pushing mechanism 7.
In the assembly of the embodiment, taking the standard joint 92 as an example, in operation, the standard joint 92 is placed on the assembly pushing mechanism 3 and pushed to the assembly clamping mechanism 2 for clamping, the rack 91 is placed on the rack placing column 71 of the rack pushing mechanism 7, the rack pushing mechanism 7 moves along the X-axis guide rail 41, the Y-axis guide rail 42 and the second Z-axis guide rail 48 in three axes to send the rack 91 to the position where the standard joint 92 is to be assembled, then the rack 91 is clamped through the rack clamping arm 81, the nut clamping mechanism 5 moves along the X-axis guide rail 41, the Y-axis guide rail 42 and along the first Z-axis guide rail 45 in three axes under the action of the driving cylinder 47 to align the nut with the threaded hole of the rack 91, the bolt tightening tool bit 61 moves along the X-axis guide rail 41, the Y-axis guide rail 42 and the first Z-axis guide rail 45 in three axes to be above the threaded hole of the rack 91, the bolt tightening tool bit 61 is driven by the tightening motor 6 to rotate the bolt tightening tool bit 61 to tighten the bolt and the nut so, after assembly, the standard knot 92 is pushed out through the assembly part pushing mechanism 3, so that automatic assembly of the rack is achieved, the working efficiency is improved, the structure is simple, and the rack assembly device is suitable for assembly of medium and large racks.
In this embodiment, three installation frames 44 distributed at intervals are arranged on the X-axis transverse moving frame 41 through the Y-axis guide rail 42, an installation seat 46 is arranged on each installation frame 44 through the first Z-axis guide rail 45, and the installation seat 46 is provided with the screwing motor 6 and the nut clamping mechanism 5 to realize the assembling and screwing of three bolts at the same time, so as to further improve the working efficiency.
The assembly part clamping mechanism 2 comprises a connecting rod 21, a clamping cylinder 22 and two oppositely arranged clamping plates 23, wherein the two parallel connecting rods 21 are connected between the two clamping plates 23, the end parts of the connecting rods 21 are connected with the clamping plates 23 through telescopic assemblies, the clamping cylinder 22 is arranged under each connecting rod 21 respectively, the clamping cylinder 22 drives the two clamping plates 23 to be close to or away from each other, and four positioning columns 24 which are distributed in a rectangular shape are arranged on the inner wall of each clamping plate 23.
When the standard joint 92 is clamped or unclamped, the standard joint 92 is placed between the two clamping plates 23, the positioning column 24 and the end of the cylinder 921 on the standard joint 92 are aligned with each other, and the clamping cylinders 22 drive the two clamping plates 23 to approach or separate from each other.
The telescopic assembly comprises a sliding column 25 and a sliding sleeve 26, the sliding sleeve 26 is fixedly arranged on the clamping plate 23, the sliding column 25 is slidably arranged in the sliding sleeve 26, one end of the sliding column is fixedly connected with the end part of the connecting rod 21, and a positioning groove 241 is arranged on the positioning column 24.
When the two clamping plates 23 are close to or far away from each other, the clamping plates 23 drive the sliding column 25 to move along the sliding sleeve 26, so that the clamping plates 23 are close to or far away from the connecting rod 21, the positioning column 24 is provided with a positioning groove 241, and the positioning groove 241 and the end part of the column 921 of the standard knot 92 are mutually matched and positioned, so that the standard knot 92 is firmly clamped between the two clamping plates 23.
A rack 91 clamping arm 81 is arranged between every two positioning columns 24 on the inner wall of each clamping plate 23, the rack 91 clamping arm 81 is fixedly connected with a screw rod 82 nut, the screw rod 82 nut is sleeved on the screw rod 82, and the screw rod 82 is connected with a clamping motor 83.
After the rack 91 is sent to the position of the standard joint 92 to be assembled, the screw rod 82 is driven to rotate by the clamping motor 83 to drive the screw rod 82 nut to move along the screw rod 82, the screw rod 82 nut drives the rack clamping arm 81 to move towards the direction close to the rack 91, so that the rack 91 is clamped between the two rack clamping arms 81 on the two clamping plates 23, and the rack clamping arm 81 clamps the rack 91, thereby facilitating the screwing of the bolt and the nut.
The outer walls of the two clamping plates 23 are fixedly connected with rotating shafts 85 respectively, the rotating shafts 85 are movably mounted on the rack 1 through bearings and bearing seats, the rack 1 is provided with a driving motor 84, one rotating shaft 85 is fixedly sleeved with a driven gear 86, the output end of the driving motor 84 is connected with a driving gear, and the driving gear and the driven gear 86 are meshed with each other.
When the standard knot 92 is pushed to the assembly part clamping mechanism 2, the driving gear is driven to rotate through the driving motor 84, the driving gear and the driven gear are meshed to drive the driven gear 86 to rotate, the driven gear 86 drives the clamping plates 23 to rotate through the rotating shaft 85, so that the whole assembly part clamping mechanism 2 rotates, the standard knot 92 is placed between the two clamping plates 23 in a mode of avoiding the clamping cylinder 22, and in addition, after the rack 91 on one side of the standard knot 92 is assembled completely, the whole assembly part clamping mechanism 2 is driven to drive the standard knot 92 to rotate through the driving motor 84 in the same way, so that the assembly of the rack 91 on the other side of the standard knot 92 is completed.
The assembly part pushing mechanism 3 comprises a pushing frame 31, a pushing plate 32 and clamping jaws 33, wherein the pushing frame 31 is arranged on the rack 1, a pushing cylinder is arranged on the pushing frame 31, pushing slide rails 34 are respectively arranged on two sides of the pushing frame 31, the pushing plate 32 is arranged on the pushing slide rails 34 through pushing slide blocks 35, the pushing cylinder is connected with the pushing plate 32, four clamping jaws 33 which are distributed in a rectangular shape are arranged on the pushing plate 32, two clamping slide rails are arranged on the pushing plate 32, the four clamping jaws 33 are respectively arranged on the two clamping slide rails through two clamping slide blocks 321, and each clamping jaw 33 is provided with a clamping groove 331 with an outward opening.
When the standard knot 92 is pushed, the two clamping claws 33 on the same clamping slide rail move to approach each other along the clamping slide rail through the clamping slide block 321, then the standard knot 92 is placed on the pushing plate 32, the clamping claws 33 are located on the inner side of the cylinder 921 of the standard knot 92, then the two clamping claws 33 on the same clamping slide rail are controlled to move away from each other along the clamping slide rail through the clamping slide block 321, and the clamping claws 33 are clamped on the cylinder 921 of the standard knot 92 through the clamping grooves 331, so that the standard knot 92 is clamped on the pushing plate 32 through the clamping claws 33, and after clamping, the pushing cylinder drives the pushing plate 32 to move along the pushing slide rail 34 and enables the pushing plate 32 to move to the lower part of the assembly part clamping mechanism 2.
Rack 91 push mechanism 7 includes bracing piece 72, propelling movement arm 73, and the both ends of bracing piece 72 are connected with propelling movement slide 74 respectively, and propelling movement slide 74 is portable to be set up on second Z axle guide rail 48, be connected with propelling movement arm 73 on the propelling movement slide 74, rack 91 places post 71 and installs on propelling movement arm 73.
In the process of pushing the rack 91 to the position to be assembled of the standard joint 92, the X-axis transverse moving frame 41 drives the Y-axis guide rail 42, the first Z-axis guide rail 45 and the second Z-axis guide rail 48 to move along the X-axis guide rail 41, the mounting plate 43 drives the second Z-axis guide rail 48 to move along the Y-axis guide rail 42, and the pushing slide carriage 74 drives the pushing arm 73 to move along the second Z-axis guide rail 48, so that the rack 91 pushing mechanism 7 is enabled to do three-axis motion to push the rack 91 placed on the rack placing column 71 to the position to be assembled of the standard joint 92.
The nut clamping mechanism 5 comprises a supporting plate 51, a clamping structure 52 and a supporting column 53, wherein the clamping structure 52 is arranged on the supporting plate 51, and two ends of the supporting column 53 are respectively connected with the supporting plate 51 and the driving cylinder 47.
In the process that the nut clamping mechanism 5 clamps the nut to move to enable the nut to be aligned with the threaded hole of the rack 91, the X-axis transverse moving rack 41 drives the Y-axis guide rail 42, the first Z-axis guide rail 45 and the second Z-axis guide rail 48 to move along the X-axis guide rail 41, the mounting frame 44 drives the first Z-axis guide rail 45 to move along the Y-axis guide rail 42, the driving cylinder 47 drives the mounting seat 46 and the clamping structure 52 arranged on the mounting seat 46 to move along the first Z-axis guide rail 45, therefore, the nut clamping mechanism 5 can move in a three-axis mode to enable the nut to be aligned with the threaded hole of the rack 91, and the principle that the bolt tightening tool bit 61 moves above the threaded hole of the rack 91 is the same as the.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.