CN104690464A - Automatic welding machine and automatic welding method thereof - Google Patents
Automatic welding machine and automatic welding method thereof Download PDFInfo
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- CN104690464A CN104690464A CN201510126605.XA CN201510126605A CN104690464A CN 104690464 A CN104690464 A CN 104690464A CN 201510126605 A CN201510126605 A CN 201510126605A CN 104690464 A CN104690464 A CN 104690464A
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- welding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
Abstract
The invention relates to an automatic welding machine which comprises a base station, a clamp device, a first ball screw, a first servo motor, a first welding gun component and a second welding gun component. The clamp device is mounted on the base station, the first ball screw is penetratingly mounted in the clamp device and connected with the first servo motor which is fixedly mounted on the base station, the first servo motor drives the first ball screw to drive the clamp device to be in linear motion on the base station, the first welding gun component and the second welding gun component are positioned on two sides of the clamp device respectively, a first cylinder drives a first welding gun rack to adjust position of a first welding gun, and a second cylinder drives a second welding gun rack to adjust position of a second welding gun. The automatic welding machine has the advantages that welding needs on oil storage cylinders and dustproof covers of dampers diverse in structure can be met; the automatic welding machine can replace manual welding, so that welding efficiency is improved; the automatic welding machine can replace welding of a manipulator, so that welding quality is guaranteed while welding cost is lowered.
Description
Technical field
The invention belongs to field of welding devices, be specifically related to a kind of automatic welding machine.
Background technology
Train oil-pressure damper is the critical component of train vibration damping, and the main train oil-pressure damper of current China makes major part still based on foreign technology and brand.The external structure of shock absorber is called oil storage cylinder and dust cover, this position is weld assembly, be the very crucial position of shock absorber and be safety component, need high reliability, up to now, domestic auto shock absorber and the welding of dust cover perform European standard always, technology barriers are brought to domestic manufacturers, because damper type is various, various structures, manual welding or the pure manipulator of adopting welds more both at home and abroad, but in manual welding, cannot guarantee quality can 100% qualified, and pure manipulator welding cannot ensure high efficiency, and the welding of Single Mechanical hand cannot guarantee welding deformation again, welding cost is larger simultaneously for multi-robot.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of welding cost low, can ensure the automatic welding machine of welding quality, realizes the soldering to auto shock absorber and dust cover.
The technical solution adopted for the present invention to solve the technical problems is: a kind of automatic welding machine, comprise base station, grip device, first ball-screw, first servomotor, first welding gun assembly, second welding gun assembly and controller, described grip device is installed on base station, described first ball-screw to be installed in grip device and to be connected with the first servomotor, first servomotor is installed on base station, first driven by servomotor first ball-screw drives grip device to do rectilinear motion on base station, grip device can clamping to-be-welded pieces, first welding gun assembly and the second welding gun assembly are installed on base station and grip device both sides of living apart, first welding gun assembly comprises the first cylinder connected successively, first welding gun frame and the first welding gun, first air cylinder driven first welding gun frame adjusts the position of the first welding gun, second welding gun assembly comprises the second cylinder connected successively, second welding gun frame and the second welding gun, second air cylinder driven second welding gun frame adjusts the position of the second welding gun, described controller respectively with grip device, first servomotor, first cylinder, second cylinder, first welding gun is connected with the second welding gun.
Preferred further, described grip device comprises the first base, X-axis positioning component, Y-axis positioning component, positioning fixture, support, the 3rd cylinder and holds out against fixture; Described first base is installed on base station, described first ball-screw is installed in the first base, X-axis positioning component comprises the second base, the second servomotor and the second ball-screw, second base is installed on the first base, second ball-screw is installed in the second base, second servomotor is connected with the second ball-screw, and the second servomotor is installed on the first base; Y-axis positioning component comprises the 3rd base, the 3rd servomotor and the 3rd ball-screw, 3rd base is installed on the second base, 3rd ball-screw is installed in the 3rd base, and the 3rd servomotor is connected with the 3rd ball-screw, and the 3rd servomotor is installed on the second base; Positioning fixture is installed on the 3rd base; Support is installed on the first base, and the 3rd cylinder is installed in frame upper, the 3rd cylinder by connecting rod with hold out against fixture and be connected, hold out against fixture and be positioned at above positioning fixture; Second servomotor, the 3rd servomotor are connected with controller with the 3rd cylinder.
Preferred further, described support is also equiped with linear guides and locating part, and described locating part one end is fixedly connected with connecting rod, and the other end is connected with linear guides, and the bearing of trend of linear guides is consistent with the activity direction of connecting rod.
Preferred further, described base station is also equiped with laser displacement sensor, and laser displacement sensor is connected with controller, and laser displacement sensor is for detecting the position of the first welding gun and the second welding gun.
Preferred further, described controller is Programmable Logic Controller.
A kind of automatic welding method, uses above-mentioned automatic welding machine to weld to-be-welded pieces one and to-be-welded pieces two, comprises the steps:
1) to-be-welded pieces one is placed in positioning fixture, then to-be-welded pieces two is placed in to-be-welded pieces one, wait for spot welding process;
2) regulate X-axis positioning component and Y-axis positioning component, carry out to-be-welded pieces one and locate with the position of positioning fixture;
3) regulate the first welding gun and the second welding torch position, spot welding process is carried out to to-be-welded pieces one and to-be-welded pieces two and forms welding product;
4) dimensional measurement is carried out to welding product, confirms the qualification of welding product, if welding product is defective, get back to step 2) until welding product meets dimensional requirement, test weld completes;
5) the automatic welding program of opening controller, carries out automatic welding process to to-be-welded pieces one and to-be-welded pieces two;
6) automatic welding completes, and manually takes automatic welding away and completes welding product.
Preferred further, described step 5) comprises the following steps:
5.1) manually to-be-welded pieces one and to-be-welded pieces two is placed;
5.2) controller controls the 3rd cylinder drive and holds out against fixture by to-be-welded pieces one and to-be-welded pieces two compression;
5.3) controller controls the first cylinder and drives the first welding gun arrival fixed position, controls the second cylinder drive the second welding gun to arrive fixed position with Time Controller;
5.4) carry out soldering, controller controls the first driven by servomotor first ball-screw and drives grip device rectilinear motion, and the first welding gun and the second welding gun weld to-be-welded pieces one and to-be-welded pieces two;
5.5) grip device arrives desired location, and welding terminates, and the first welding gun and the second welding gun are closed, and controller controls the first driven by servomotor first ball-screw and drives grip device to get back to initial position;
5.6) the first cylinder drives the first welding gun to reset, and the second cylinder drives the second welding gun to reset.
The invention has the beneficial effects as follows, the grip device of automatic welding machine of the present invention, the first welding gun, the second welding gun all can regulate adjusting position separately, and regulate the device of the technology maturations such as the equipment used is ball-screw, cylinder, servomotor.The present invention 1) automatic welding machine can be made to meet auto shock absorber and the dust cover welding demand of various structures; 2) can manual welding be substituted, improve welding efficiency; 3) welding of manipulator can be substituted, the basis ensureing welding quality reduces welding cost.Automatic welding method of the present invention adopts head and the tail manual operation, middle welding process is Full-automatic welding, first test specimen is located repeatedly during batch welding product, spot welding determines that batch soldering is carried out in correct welding position then, not only increase welding efficiency, also assures that the deflection of welding, substantially increase the quality of welding product.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the perspective view of automatic welding machine of the present invention.
Fig. 2 is A place enlarged diagram in Fig. 1.
Fig. 3 is the right view of Fig. 1.
In figure 1, base station; 2, grip device; 3, the first ball-screw; 4, the first servomotor; 5, the first welding gun assembly; 6, the second welding gun assembly; 7, laser displacement sensor; 21, the first base; 22, X-axis positioning component; 23, Y-axis positioning component; 24, positioning fixture; 25, support; 26, the 3rd cylinder; 27 and hold out against fixture; 28, connecting rod; 51, the first cylinder; 52, the first welding gun frame; 53, the first welding gun; 61, the second cylinder; 62, the second welding gun frame; 63, the second welding gun; 100, welding product; 101, to-be-welded pieces one; 102, to-be-welded pieces two; 221, the second base; 222; Second servomotor; 223, the second ball-screw; 231, the 3rd base; 232, the 3rd servomotor; 233, the 3rd ball-screw; 251, linear guides; 252, locating part.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of automatic welding machine of the present invention, comprises base station 1, grip device 2, first ball-screw 3, first servomotor 4, first welding gun assembly 5, second welding gun assembly 6 and controller (not shown).
Described grip device 2 is installed on base station 1, and described grip device 2 comprises the first base 21, X-axis positioning component 22, Y-axis positioning component 23, positioning fixture 24, support 25, the 3rd cylinder 26 and holds out against fixture 27.Described first base 21 is installed on base station 1, and described first ball-screw 3 to be installed in the first base 21 and to be connected with the first servomotor 4.First servomotor 4 is installed on base station 1, and the first servomotor 4 drives the first ball-screw 3 to drive grip device 2 to do rectilinear motion on base station 1.
X-axis positioning component 22 comprises the second base 221, second servomotor 222 and the second ball-screw 223, second base 221 is installed on the first base 21, second ball-screw 223 is installed in the second base 221, second servomotor 222 is connected with the second ball-screw 223, and the second servomotor 222 is installed on the first base 21.
Y-axis positioning component 23 comprises the 3rd base 231, the 3rd servomotor 232 and the 3rd ball-screw 233,3rd base 231 is installed on the second base 221,3rd ball-screw 233 is installed in the 3rd base 231,3rd servomotor 232 is connected with the 3rd ball-screw 233, and the 3rd servomotor 232 is installed on the second base 221.
Positioning fixture 24 is installed on the 3rd base 231, and the route that the route that the second ball-screw 223 drives the second base 221 to move and the 3rd ball-screw 233 drive the 3rd base 231 to move is mutually vertical.
Support 25 is installed on the first base 21, and the 3rd cylinder 26 is installed in support 25 top, the 3rd cylinder 26 by connecting rod 28 with hold out against fixture 27 and be connected, hold out against fixture 27 and be positioned at above positioning fixture 24.Described support 25 is also equiped with linear guides 251 and locating part 252, described locating part 251 one end is fixedly connected with connecting rod 28, and the other end is connected with linear guides 251, and the bearing of trend of linear guides 251 is consistent with the activity direction of connecting rod 28.
First welding gun assembly 5 and the second welding gun assembly 6 are installed on base station 1 and grip device 2 both sides of living apart, first welding gun assembly 5 comprises the first cylinder 51, first welding gun frame 52 of connecting successively and the first welding gun 53, first cylinder 51 drives the first welding gun frame 52 to adjust the position of the first welding gun 53.Second welding gun assembly 6 comprises the second cylinder 61, second welding gun frame 62 of connecting successively and the second welding gun 63, second cylinder (61) drives the second welding gun frame 62 to adjust the position of the second welding gun 63.
Described controller is Programmable Logic Controller.Described controller is connected with the 3rd cylinder 26 with the first servomotor 4, second servomotor 222, the 3rd servomotor 232, first welding gun 53, second welding gun 63, first cylinder 51, second cylinder 61 respectively.
Described base station 1 is also equiped with laser displacement sensor 7, and laser displacement sensor 7 is connected with controller, and laser displacement sensor 7 is for detecting the position of the first welding gun 53 and the second welding gun 63.
A kind of automatic welding method of the present invention, uses above-mentioned automatic welding machine to weld to-be-welded pieces 1 and to-be-welded pieces 2 102, comprises the steps:
1) to-be-welded pieces 1 is placed in positioning fixture 24, then to-be-welded pieces 2 102 is placed in to-be-welded pieces 1, wait for spot welding process;
2) regulate X-axis positioning component 22 and Y-axis positioning component 23, carry out to-be-welded pieces 1 and locate with the position of positioning fixture 24;
3) regulate the first welding gun 53 and the second welding gun 63 position, spot welding process is carried out to to-be-welded pieces 1 and to-be-welded pieces 2 102 and forms welding product 100;
4) dimensional measurement is carried out to welding product 100, confirms the qualification of welding product 100, if welding product 100 is defective, get back to step 2) continue process, until welding product 100 meets dimensional requirement, test weld completes;
5) the automatic welding program of opening controller, carry out automatic welding process to to-be-welded pieces 1 and to-be-welded pieces 2 102, automatic welding process comprises the following steps:
5.1) manually to-be-welded pieces 1 and to-be-welded pieces 2 102 is placed;
5.2) controller controls the 3rd cylinder 26 drive and holds out against fixture 27 by to-be-welded pieces 1 and to-be-welded pieces 2 102 compression;
5.3) controller controls the first cylinder 51 and drives the first welding gun 53 to arrive fixed position, controls the second cylinder 61 drive the second welding gun 63 to arrive fixed position with Time Controller;
5.4) carry out soldering, controller controls the first servomotor 4 and drives the first ball-screw 3 to drive grip device 2 rectilinear motion, and the first welding gun 53 and the second welding gun 63 pairs of to-be-welded pieces 1 and to-be-welded pieces 2 102 are welded;
5.5) grip device 2 arrives desired location, and welding terminates, and the first welding gun 53 and the second welding gun 63 are closed, and controller controls the first servomotor 4 and drives the first ball-screw 3 to drive grip device 2 to get back to initial position;
5.6) the first cylinder 51 drives the first welding gun 53 to reset, and the second cylinder 61 drives the second welding gun 63 to reset.
6) automatic welding completes, and manually takes automatic welding away and completes welding product 100.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (7)
1. an automatic welding machine, it is characterized in that: comprise base station (1), grip device (2), first ball-screw (3), first servomotor (4), first welding gun assembly (5), second welding gun assembly (6) and controller, described grip device (2) is installed on base station (1), described first ball-screw (3) to be installed in grip device (2) and to be connected with the first servomotor (4), first servomotor (4) is installed on base station (1), first servomotor (4) drives the first ball-screw (3) to drive grip device (2) to do rectilinear motion on base station (1), grip device (2) can clamping to-be-welded pieces, first welding gun assembly (5) and the second welding gun assembly (6) are installed in base station (1) and go up and grip device of living apart (2) both sides, first welding gun assembly (5) comprises the first cylinder (51) connected successively, first welding gun frame (52) and the first welding gun (53), first cylinder (51) drives the first welding gun frame (52) to adjust the position of the first welding gun (53), second welding gun assembly (6) comprises the second cylinder (61) connected successively, second welding gun frame (62) and the second welding gun (63), second cylinder (61) drives the second welding gun frame (62) to adjust the position of the second welding gun (63), described controller respectively with grip device (2), first servomotor (4), first cylinder (51), second cylinder (61), first welding gun (53) is connected with the second welding gun (63).
2. automatic welding machine according to claim 1, is characterized in that: described grip device (2) comprises the first base (21), X-axis positioning component (22), Y-axis positioning component (23), positioning fixture (24), support (25), the 3rd cylinder (26) and holds out against fixture (27); Described first base (21) is installed on base station (1), described first ball-screw (3) is installed in the first base (21), X-axis positioning component (22) comprises the second base (221), the second servomotor (222) and the second ball-screw (223), second base (221) is installed on the first base (21), second ball-screw (223) is installed in the second base (221), second servomotor (222) is connected with the second ball-screw (223), and the second servomotor (222) is installed on the first base (21); Y-axis positioning component (23) comprises the 3rd base (231), the 3rd servomotor (232) and the 3rd ball-screw (233), 3rd base (231) is installed on the second base (221), 3rd ball-screw (233) is installed in the 3rd base (231), 3rd servomotor (232) is connected with the 3rd ball-screw (233), and the 3rd servomotor (232) is installed on the second base (221); Positioning fixture (24) is installed on the 3rd base (231); Support (25) is installed on the first base (21), and the 3rd cylinder (26) is installed in support (25) top, the 3rd cylinder (26) by connecting rod (28) with hold out against fixture (27) and be connected, hold out against fixture (27) and be positioned at positioning fixture (24) top; Second servomotor (222), the 3rd servomotor (232) are connected with controller with the 3rd cylinder (26).
3. automatic welding machine according to claim 2, it is characterized in that: described support (25) is also equiped with linear guides (251) and locating part (252), described locating part (251) one end is fixedly connected with connecting rod (28), the other end is connected with linear guides (251), and the bearing of trend of linear guides (251) is consistent with the activity direction of connecting rod (28).
4. the automatic welding machine according to claim 1 or 3, it is characterized in that: described base station (1) is also equiped with laser displacement sensor (7), laser displacement sensor (7) is connected with controller, and laser displacement sensor (7) is for detecting the position of the first welding gun (53) and the second welding gun (63).
5. automatic welding machine according to claim 1, is characterized in that: described controller is Programmable Logic Controller.
6. an automatic welding method, uses automatic welding machine according to claim 4 to weld to-be-welded pieces one (101) and to-be-welded pieces two (102), it is characterized in that: comprise the steps:
1) to-be-welded pieces one (101) is placed in positioning fixture (24), then to-be-welded pieces two (102) is placed in to-be-welded pieces one (101), wait for spot welding process;
2) regulate X-axis positioning component (22) and Y-axis positioning component (23), carry out to-be-welded pieces one (101) and locate with the position of positioning fixture (24);
3) regulate the first welding gun (53) and the second welding gun (63) position, spot welding process is carried out to to-be-welded pieces one (101) and to-be-welded pieces two (102) and forms welding product (100);
4) dimensional measurement is carried out to welding product (100), confirms the qualification of welding product (100), if welding product (100) is defective, get back to step 2) continue process, until welding product (100) meets dimensional requirement, test weld completes;
5) the automatic welding program of opening controller, carries out automatic welding process to to-be-welded pieces one (101) and to-be-welded pieces two (102);
6) automatic welding completes, and manually takes automatic welding away and completes welding product (100).
7. automatic welding method according to claim 6, is characterized in that: described step 5) comprises the following steps:
5.1) manually to-be-welded pieces one (101) and to-be-welded pieces two (102) is placed;
5.2) controller controls the 3rd cylinder (26) drive and holds out against fixture (27) by to-be-welded pieces one (101) and to-be-welded pieces two (102) compression;
5.3) controller controls the first cylinder (51) and drives the first welding gun (53) arrival fixed position, controls the second cylinder (61) drive the second welding gun (63) to arrive fixed position with Time Controller;
5.4) soldering is carried out, controller controls the first servomotor (4) and drives the first ball-screw (3) to drive grip device (2) rectilinear motion, and the first welding gun (53) and the second welding gun (63) weld to-be-welded pieces one (101) and to-be-welded pieces two (102);
5.5) grip device (2) arrives desired location, and welding terminates, and the first welding gun (53) and the second welding gun (63) are closed, and controller controls the first servomotor (4) and drives the first ball-screw (3) to drive grip device (2) to get back to initial position;
5.6) the first cylinder (51) drives the first welding gun (53) to reset, and the second cylinder (61) drives the second welding gun (63) to reset.
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| CN201510126605.XA CN104690464B (en) | 2015-03-20 | 2015-03-20 | Automatic welding machine and automatic welding method thereof |
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| CN201510126605.XA CN104690464B (en) | 2015-03-20 | 2015-03-20 | Automatic welding machine and automatic welding method thereof |
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| CN104690464B CN104690464B (en) | 2016-08-24 |
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