A rotor automatic welding equipment

Abstract

The invention discloses a rotor automatic welding device, comprising a processing table, a control cabinet, a loading conveyor belt, a unloading conveyor belt, a primary positioning mechanism, a rotating mechanism, a clamping and conveying mechanism and a welding manipulator. The primary positioning mechanism comprises a positioning bracket, a limit baffle is arranged on the side of the positioning bracket, a sensor is arranged on the side of the limit baffle, a first motor is fixed below the positioning bracket, a first motor output is connected to a first pulley, a positioning turntable is arranged above the positioning bracket, a second pulley is connected below the positioning turntable, the clamping and conveying mechanism comprises a crossbeam, a guide rail and a first bracket slidably connected to the guide rail, a first cylinder is fixed on the first bracket, a fixed seat is connected to the first cylinder, a rotor clamp assembly is arranged on the fixed seat, the rotor clamp assembly comprises a clamp bracket and a pneumatic clamp, the rotating mechanism comprises a positioner and a rotating disk, and two rotor positioning mechanisms are arranged on the rotating disk; this structure improves work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of rotor welding, and in particular to automatic rotor welding equipment. Background Art

[0002] Aerospace engines generally have a rotor 50 (such as Figure 1 As shown), the rotor 50 needs to be welded around during the processing. The current welding method is generally performed manually, resulting in low welding efficiency and the welding process is prone to incomplete welding, so it needs to be improved. Summary of the invention

[0003] The object of the present invention is to provide a rotor automated welding device to solve the problems of low working efficiency and inadequate welding mentioned in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rotor automatic welding device, comprising a processing table and a control cabinet for controlling the operation of the entire device, a loading conveyor belt is arranged on the left side of the processing table, a unloading conveyor belt is arranged on the right side of the processing table, a primary positioning mechanism close to one end of the loading conveyor belt, a rotating mechanism for rotating the rotor, a clamping and conveying mechanism for clamping the rotor on the primary positioning mechanism to the rotating mechanism, and a welding manipulator for welding the rotated rotor are arranged in the processing table, the primary positioning mechanism comprises a positioning bracket, A limit baffle is arranged on the side of the positioning bracket to block the opening of one end of the feeding conveyor belt, and a sensor facing the output port of the feeding conveyor belt is arranged on the side of the limit baffle. A first motor is fixed below the positioning bracket, and the output of the first motor is connected to a first pulley. A positioning turntable is arranged above the positioning bracket, and the positioning turntable is connected to a second pulley after passing through the positioning bracket through a rotating shaft, and a belt is arranged between the first pulley and the second pulley. The clamping conveying mechanism includes a beam fixed on the processing table, and two horizontal guide rails are arranged on the beam. A first bracket is slidably connected to the guide rail, a first cylinder is fixed on the first bracket, the first cylinder is placed vertically with a piston rod facing downward, a fixed seat is connected to the piston rod of the first cylinder, a rotor clamp assembly is arranged on the fixed seat, the rotor clamp assembly includes a clamp bracket fixedly connected to the fixed seat, a three-claw pneumatic clamp is arranged on both sides below the clamp bracket, the rotating mechanism includes a positioner fixed on the processing table and a rotating disk connected to the output of the positioner, two symmetrical rotor positioning mechanisms are arranged on the rotating disk, the rotor positioner The positioning mechanism includes a positioning platform, and a clamping device capable of clamping the rotor is arranged on both sides of the positioning platform. The clamping device includes a second cylinder fixed below the positioning platform, and the piston rod of the second cylinder passes through the positioning platform and is hingedly connected to a clamping frame for clamping the rotor. The clamping frame is hingedly connected to a rocker arm through a first rotating shaft, and the other end of the rocker arm is hingedly connected to an articulated seat through a second rotating shaft. The articulated seat is fixed on a processing table below. After the clamping frames on both sides are clamped, the two sides of the rotor base are pressed against the positioning platform, and a drag chain for driving the first bracket to automatically move on the guide rail is arranged above the crossbeam.

[0005] Preferably, a partition is provided above the processing table to separate the processing table into two front and rear areas, the primary positioning mechanism and the clamping and conveying mechanism are located in the front end area of ​​the processing table, and the welding robot is located in the rear end area of ​​the processing table.

[0006] Preferably, four positioning rods are arranged in a ring above the positioning turntable, a cross is arranged at the upper end of the four positioning rods, connecting columns fixed on the positioning turntable are arranged between the four positioning rods, and four chucks are arranged in a ring above the connecting columns, each chuck is located in the cross notch of the cross and cooperates with the notch of the side wall of the rotor base.

[0007] Preferably, to avoid damaging the rotor, a silicone pad is provided on the inner side of the jaw opening of each pneumatic clamp.

[0008] Preferably, in order to improve safety, a closed cabinet is provided outside the processing table, an openable cabinet door is provided at the front end of the cabinet, a heat dissipation port connected to the rear end area of ​​the processing table is provided above the cabinet, the top of the partition is fixedly connected to the upper wall of the cabinet, and the control cabinet is fixed on the cabinet.

[0009] Preferably, one end of the loading conveyor belt and the unloading conveyor belt are both placed in the cabinet, and the other ends extend out of the cabinet.

[0010] Preferably, in order to prevent the rotating disk below from being affected by the partition and being unable to rotate from the front end area of ​​the processing table to the rear end area, there is a gap between the bottom of the partition and the upper end of the rotating disk, a square gap is provided in the center below the partition, and a second baffle is fixed in the center of the rotating disk to close the square gap.

[0011] Preferably, the welding robot is fixed on the processing table by a welding bracket.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the above-mentioned structural arrangement realizes the operations of automatic loading, automatic positioning, automatic clamping and automatic welding of the rotor, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the structure of the rotor disclosed in this embodiment;

[0014] Figure 2 This is a schematic diagram of the overall structure of a rotor automatic welding device disclosed in this embodiment;

[0015] Figure 3 This is a schematic structural diagram of a rotor automatic welding device disclosed in this embodiment when there is no installation cabinet and the rotor clamp assembly is separated from other components;

[0016] Figure 4 for Figure 3 A magnified image of point A;

[0017] Figure 5 This is a schematic diagram of the structure of a rotor automatic welding device disclosed in this embodiment when there is no installation cabinet and looking forward from the rear end of the processing table (the welding manipulator is separated from the welding bracket at this time);

[0018] Figure 6 The structure of the primary positioning mechanism disclosed in this embodiment is shown in FIG. Figure 1 ;

[0019] Figure 7This is a schematic diagram of the structure of the cross in this embodiment;

[0020] Figure 8 The structure of the primary positioning mechanism disclosed in this embodiment is shown in FIG. Figure 2 .

[0021] In the figure: processing table 1, feeding conveyor belt 2, unloading conveyor belt 3, primary positioning mechanism 4, rotating mechanism 5, clamping conveying mechanism 6, welding manipulator 7, positioning bracket 8, limit baffle 9, sensor 10, first motor 11, first pulley 12, positioning turntable 13, second pulley 14, crossbeam 15, guide rail 16, fixed seat 17, rotor clamp assembly 18, clamp bracket 19, pneumatic clamp 20, positioner 21, rotating disk 22, rotor positioning mechanism 23, positioning table 24, pressing Device 25, second cylinder 26, clamping frame 27, first rotating shaft 28, rocker arm 29, heat dissipation port 30, hinged seat 31, partition 32, positioning rod 33, cross 34, connecting column 35, chuck 36, cross notch 37, silicone pad 38, cabinet body 39, cabinet door 40, square notch 41, second baffle 42, welding bracket 43, rotating shaft 44, control cabinet 45, first bracket 47, second rotating shaft 48, belt 49, rotor 50, rotor base 51, first cylinder 52, and drag chain 53. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0025] See also Figure 2-Figure 8, an embodiment of the present invention: a rotor automatic welding equipment, including a processing table 1 and a control cabinet 45 for controlling the operation of the entire equipment, a loading conveyor belt 2 is arranged on the left side of the processing table 1, and a unloading conveyor belt 3 is arranged on the right side of the processing table 1, and a primary positioning mechanism 4 close to one end of the loading conveyor belt 2, a rotating mechanism 5 for rotating the rotor, a clamping and conveying mechanism 6 for clamping the rotor 50 on the primary positioning mechanism 4 to the rotating mechanism 5, and a welding manipulator 7 for welding the rotated rotor 50, the primary positioning mechanism 4 includes a positioning bracket 8, and a side of the positioning bracket 8 is provided with a stopper for blocking the opening of one end of the loading conveyor belt 2 The limiting baffle 9 is fixed on the side of the limiting baffle 9, and a sensor 10 facing the output port of the feeding conveyor belt 2 is arranged. A first motor 11 is fixed below the positioning bracket 8, and the output of the first motor 11 is connected to a first pulley 12. A positioning turntable 13 is arranged above the positioning bracket 8, and the positioning turntable 13 passes through the positioning bracket 8 through a rotating shaft 44 and is connected to a second pulley 14. A belt 49 is arranged between the first pulley 12 and the second pulley 14. The clamping conveying mechanism 6 includes a beam 15 fixed on the processing table 1, and two horizontal guide rails 16 are arranged on the beam 15. A first bracket 47 is slidably connected to the guide rail 16. A first cylinder 52 is fixed on the processing table 1, the first cylinder 52 is placed vertically with the piston rod facing downward, a fixed seat 17 is connected to the piston rod of the first cylinder 52, a rotor clamp assembly 18 is arranged on the fixed seat 17, the rotor clamp assembly 18 includes a clamp bracket 19 fixedly connected to the fixed seat 17, and a three-claw pneumatic clamp 20 is arranged on both sides of the lower side of the clamp bracket 19, the rotating mechanism 5 includes a positioner 21 fixed on the processing table 1 and a rotating disk 22 connected to the output of the positioner 21, and two symmetrical rotor positioning mechanisms 23 are arranged on the rotating disk 22, and the rotor positioning mechanism 23 includes a positioning table 24, and two positioning tables 24 are arranged on both sides of the positioning table 24. A clamp 25 capable of clamping the rotor is provided, and the clamp 25 includes a second cylinder 26 fixed below the positioning platform 24. The piston rod of the second cylinder 26 passes through the positioning platform 24 and is hingedly connected to a clamping frame 27 for clamping the rotor. The clamping frame 27 is hingedly connected to a rocker rod 29 through a first rotating shaft 28. The other end of the rocker rod 29 is hingedly connected to a hinge seat 31 through a second rotating shaft 48. The hinge seat 31 is fixed to the processing table 1 below. After the clamping frames 27 on both sides are clamped, the rotor base 51 is clamped on the positioning platform 24 on both sides. A baffle is provided outside the positioning bracket 8, and a drag chain 53 for driving the first bracket 47 to automatically move on the guide rail 16 is provided above the crossbeam 15.

[0026] In this embodiment, the specific connection structure of how the drag chain drives the first bracket 47 to slide on the guide rail 16 belongs to the conventional technology in the field, so it is not described in detail.

[0027] During operation, firstly, the rotor with the rotor base is manually placed into the feeding conveyor belt 2, and the feeding conveyor belt 2 is automatically driven by the conveying motor to transport the rotor on the conveyor belt to the other end of the feeding conveyor belt 2. At this time, the transported rotor is positioned by the limit baffle 9, and the sensor 10 is used to detect that the rotor is in place, and then the drag chain 53 is driven to drive the first bracket 47 to move along the guide rail 16 to the top of the feeding conveyor belt 2, and the first cylinder 52 is driven to work, and the pneumatic clamp 20 is driven to move downward to clamp the rotor on the feeding conveyor belt 2 and place it on the primary positioning mechanism 4. The primary positioning mechanism 4 drives the first pulley 12 to rotate through the first motor 11, drives the second pulley 14 to rotate, and finally drives the positioning turntable 13 to rotate to position the rotor above the primary positioning mechanism 4. At the same time, another pneumatic clamp 20 clamps the rotor that has been rotated and positioned on the primary positioning mechanism 4, and drives the first cylinder 52 to work to move the pneumatic clamp 20 upward, and moves the rotor from the primary positioning mechanism 4 to the primary positioning mechanism 4. The rotor clamped on the stage positioning mechanism 4 is transported to the rotor positioning mechanism 23, and the rotor clamp assemblies 18 on both sides are used to press the two sides of the rotor, and the positioner 21 is driven to work, and the rotating disk 22 is rotated to rotate the rotor positioning mechanism 23 with the rotor to the rear area of ​​the processing table 1, and the positioner 7 is used to weld the position where the rotor needs to be welded. After welding, the positioner 21 is driven to rotate, and the welded rotor is returned to the front area of ​​the processing table 1, and then the drag chain 53 is driven to drive the first bracket 47 to move along the guide rail 16 to the top of the rotor positioning mechanism 23, and the first cylinder 52 is driven to work, and the pneumatic clamp 20 is used to clamp the welded rotor above the rotor positioning mechanism 23, and then put it into the unloading conveyor belt 3, and the unloading conveyor belt 3 outputs the product, and then the cycle operation is continued. Therefore, the above-mentioned structural setting realizes the automatic feeding, automatic positioning, automatic clamping and automatic welding of the rotor, thereby improving work efficiency.

[0028] Preferably, a partition 32 is provided above the processing table 1 to separate the processing table 1 into two front and rear areas. The primary positioning mechanism 4 and the clamping and conveying mechanism 6 are located in the front end area of ​​the processing table 1, and the welding robot 7 is located in the rear end area of ​​the processing table 1.

[0029] Preferably, four positioning rods 33 are arranged in a ring above the positioning turntable 13, a cross 34 is arranged at the upper end of the four positioning rods 33, connecting columns 35 fixed on the positioning turntable 13 are arranged between the four positioning rods 33, and four chucks 36 are arranged in a ring above the connecting columns 35, each chuck 36 is located in the cross notch 37 of the cross 34 and cooperates with the notch of the side wall of the rotor base. Through the above-mentioned structural arrangement, the chuck 36 is used to further clamp the rotor base at the bottom of the rotor.

[0030] Preferably, to avoid damaging the rotor, a silicone pad 38 is provided inside the jaws of each pneumatic clamp 20 , so as to avoid crushing the product when clamping the rotor.

[0031] Preferably, in order to improve safety, a closed cabinet 39 is provided outside the processing table 1, an openable cabinet door 40 is provided at the front end of the cabinet 39, a heat dissipation port 30 connected to the rear end area of ​​the processing table 1 is provided above the cabinet 39, the upper part of the partition 32 is fixedly connected to the upper wall of the cabinet 39, and the control cabinet 45 is fixed on the cabinet 39. The above-mentioned structural arrangement further improves safety, and the heat dissipation port 30 is provided to improve the heat dissipation effect, and it can also be used as a dust removal port in the later stage.

[0032] Preferably, one end of the loading conveyor belt 2 and the unloading conveyor belt 3 are both placed in the cabinet 39 , and the other end are both extended out of the cabinet 39 .

[0033] Preferably, in order to prevent the lower rotating disk 22 from being affected by the partition and being unable to rotate from the front end area of ​​the processing table to the rear end area, there is a gap between the bottom of the partition 32 and the upper end of the rotating disk 22, and a square notch 41 is provided at the center of the bottom of the partition 32, and a second baffle 42 is fixed at the center of the rotating disk 22 to close the square notch 41. Through the above-mentioned structural arrangement, it is possible to prevent the rotating disk 22 from rotating and causing the rotor positioning mechanism 23 to rotate and collide with the partition 32 to affect the rotation effect.

[0034] Preferably, the welding robot 7 is fixed on the processing table 1 via a welding bracket 43 .

[0035] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A rotor automated welding device, comprising a processing table (1) and a control cabinet (45) for controlling the operation of the entire device, a loading conveyor belt (2) being arranged on the left side of the processing table (1), and a unloading conveyor belt (3) being arranged on the right side of the processing table (1), characterized in that: A primary positioning mechanism (4) close to one end of a feeding conveyor belt (2), a rotating mechanism (5) for rotating a rotor, a clamping and conveying mechanism (6) for clamping the rotor on the primary positioning mechanism (4) to the rotating mechanism (5), and a welding robot (7) for welding the rotated rotor are arranged in the processing table (1). The primary positioning mechanism (4) comprises a positioning bracket (8), a limit baffle (9) for blocking an opening at one end of the feeding conveyor belt (2) is arranged on the side of the positioning bracket (8), a sensor (10) facing the output port of the feeding conveyor belt (2) is arranged on the side of the limit baffle (9), and a first motor (11) is fixed below the positioning bracket (8). The output of the first motor (11) is connected to a A first pulley (12) is provided with a positioning turntable (13) above the positioning bracket (8), the positioning turntable (13) passes through the positioning bracket (8) through a rotating shaft (44) and is connected to a second pulley (14), a belt (49) is provided between the first pulley (12) and the second pulley (14), the clamping and conveying mechanism (6) comprises a crossbeam (15) fixed on the processing table (1), two horizontal guide rails (16) are provided on the crossbeam (15), a first bracket (47) is slidably connected to the guide rails (16), a first cylinder (52) is fixed on the first bracket (47), the first cylinder (52) is placed vertically with a piston rod facing downward, and a fixed seat (49) is connected to the piston rod of the first cylinder (52) 17), a rotor clamp assembly (18) is arranged on the fixed seat (17), the rotor clamp assembly (18) includes a clamp bracket (19) fixedly connected to the fixed seat (17), and a three-jaw pneumatic clamp (20) is arranged on both sides below the clamp bracket (19), the rotating mechanism (5) includes a positioner (21) fixed on the processing table (1) and a rotating disk (22) connected to the output of the positioner (21), and two symmetrical rotor positioning mechanisms (23) are arranged on the rotating disk (22), the rotor positioning mechanism (23) includes a positioning table (24), and a clamp (25) capable of clamping the rotor is arranged on both sides of the positioning table (24), and the clamp (25) includes a fixed A second cylinder (26) is provided below the positioning platform (24). The piston rod of the second cylinder (26) passes through the positioning platform (24) and is then hingedly connected to a clamping frame (27) for clamping the rotor. The clamping frame (27) is hingedly connected to a swing rod (29) via a first rotating shaft (28). The other end of the swing rod (29) is hingedly connected to a hinge seat (31) via a second rotating shaft (48). The hinge seat (31) is fixed to the processing platform (1) below. After the clamping frames (27) on both sides are clamped, the two sides of the rotor base are clamped onto the positioning platform (24). A drag chain (53) is provided above the crossbeam (15) for driving the first bracket (47) to automatically move on the guide rail (16). Four positioning rods (33) are provided in a ring shape above the positioning turntable (13).A cross (34) is provided at the upper end of the four positioning rods (33), a connecting column (35) fixed on the positioning turntable (13) is provided between the four positioning rods (33), four clamps (36) are provided in a ring above the connecting column (35), each clamp (36) is located in a cross notch (37) of the cross (34) and matches with a notch on the side wall of the rotor base, and a silicone pad (38) is provided on the inner side of the jaw opening of each pneumatic clamp (20).

2. The rotor automatic welding equipment according to claim 1, characterized in that: A partition (32) is provided above the processing table (1) to separate the processing table (1) into two front and rear areas; the primary positioning mechanism (4) and the clamping and conveying mechanism (6) are located in the front end area of ​​the processing table (1); and the welding robot (7) is located in the rear end area of ​​the processing table (1).

3. The rotor automatic welding equipment according to claim 2, characterized in that: A closed cabinet (39) is arranged outside the processing table (1), an openable cabinet door (40) is arranged at the front end of the cabinet (39), a heat dissipation port (30) communicating with the rear end area of ​​the processing table (1) is arranged above the cabinet (39), the upper part of the partition (32) is fixedly connected to the upper wall of the cabinet (39), and the control cabinet (45) is fixed on the cabinet (39).

4. The rotor automatic welding equipment according to claim 3 is characterized in that: One end of the loading conveyor belt (2) and the unloading conveyor belt (3) are both placed in the cabinet (39), and the other ends extend out of the cabinet (39).

5. The rotor automatic welding equipment according to claim 2, characterized in that: There is a gap between the bottom of the partition (32) and the top of the rotating disk (22), a square notch (41) is provided at the center of the bottom of the partition (32), and a second baffle (42) is fixed at the center of the rotating disk (22) to close the square notch (41).

6. The rotor automatic welding equipment according to claim 1, characterized in that: The welding robot (7) is fixed on the processing table (1) via a welding bracket (43).

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