Automatic tailor-welding tool for carrier roller bracket

Abstract

The invention provides an automatic tailor-welding tool for a carrier roller support. The automatic tailor-welding tool comprises a tool bottom plate, an air cylinder centering and side edge servo clamping assembly, an air cylinder centering assembly, an air cylinder pushing assembly, a linear module centering positioning assembly and a servo lead screw positioning mechanism, wherein the air cylinder centering and side edge servo clamping assembly, the air cylinder centering assembly, the air cylinder pushing assembly, the linear module centering positioning assembly and the servo lead screw positioning mechanism are arranged on the tool bottom plate. The number of the air cylinder centering and side edge servo clamping assemblies and the number of the air cylinder centering assemblies are both two, the two air cylinder centering assemblies are arranged between the two air cylinder centering and side edge servo clamping assemblies, and the air cylinder centering and side edge servo clamping assemblies, the air cylinder centering assemblies and the air cylinder pushing assemblies are all fixed to the tool bottom plate through bolts. The linear module centering positioning assembly and the servo lead screw positioning mechanism are installed on the air cylinder pushing assembly and can linearly move along a guide rail of the air cylinder pushing assembly. The servo control system is adopted to control the position of the clamp, the sensor system is combined to detect information of materials, parameters are adjusted by switching workpiece models through the PLC system, and flexible production is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of welding of roller brackets, and in particular to an automatic welding tool for roller brackets. Background Art

[0002] The belt conveyor roller brackets used in the coal industry are multi-variety, small-batch workpieces. The existing technology uses manual clamping and fixing for such welding fixtures. If the product is changed, the clamping component module needs to be manually adjusted, which is time-consuming and inefficient, and is not conducive to the flexible production of various models. Summary of the invention

[0003] In order to solve the above problems, the present invention discloses an automatic welding tool for a roller bracket. When the conventional tool is used to weld the roller bracket, each accessory component does not need to be positioned separately.

[0004] The specific plan is as follows: A roller bracket automatic welding tool, characterized in that it is used for welding roller brackets, including a tool base plate and a cylinder centering and side servo clamping assembly, a cylinder centering assembly, a cylinder pushing assembly, a linear module centering and positioning assembly and a servo screw positioning mechanism arranged on the tool base plate; there are two cylinder centering and side servo clamping assemblies and two cylinder centering assemblies, and they are symmetrically arranged on the left and right, wherein the two cylinder centering assemblies are placed between the two cylinder centering and side servo clamping assemblies, and the cylinder centering and side servo clamping assemblies, the cylinder centering assembly and the cylinder pushing assembly are all bolted to the tool base plate, the linear module centering and positioning assembly and the servo screw positioning mechanism are installed on the cylinder pushing assembly, and can move linearly along its guide rail, and there are two servo screw positioning mechanisms, and they are symmetrically arranged on the left and right.

[0005] As a further improvement of the present invention, the roller bracket includes a bottom plate flat steel, an angle steel, a middle pillar and a side pillar. There are two flat steels, which are symmetrically arranged at the bottom of both ends of the angle steel. There are two middle pillars, which are symmetrically arranged on the top surface of the angle steel. There are two side pillars, which are symmetrically arranged on the top surfaces of both ends of the angle steel.

[0006] As a further improvement of the present invention, the cylinder centering and side servo clamping assembly is arranged horizontally, including a first servo motor, a gear belt assembly, a mounting seat, a cylinder assembly, a lead screw, a lead screw nut, a guide rail slider, an electromagnetic adsorption assembly and a linear guide; the bottom of one end of the mounting seat is connected to the first servo motor, and the gear belt assembly is arranged on the side of the end, and two symmetrically arranged linear guides are arranged on the top surface, and the two ends of the mounting seat are fixedly connected to the tooling base plate, the linear guides are arranged horizontally, and guide rail sliders that can move along them are installed on the two linear guides, and a lead screw arranged horizontally is arranged on the center line of the two linear guides. A lead screw nut cooperating with the lead screw is arranged in the middle of the guide rail slider, and a cylinder assembly and an electromagnetic adsorption assembly are installed on the top; wherein, the first servo motor drives the lead screw through the gear belt assembly to drive the lead screw nut to push the edge of the bottom plate flat steel on the linear guide for positioning, the cylinder assembly performs centering and clamping on the bottom plate flat steel, and the electromagnetic adsorption assembly sucks the bottom plate for positioning; ensure that the moving mechanism of the first servo motor, the gear belt assembly and the cylinder assembly can be restored to their original positions to perform positioning of the angle steel edge and centering.

[0007] As a further improvement of the present invention, the cylinder centering assembly includes a mounting seat, a first cylinder, a clamping block and a clamping block mounting plate; the clamping block mounting plate is symmetrically fixed on the two movable ends of the first cylinder, and the two clamping blocks are symmetrically arranged on the inner side of the upper ends of the two clamping block mounting plates, for realizing the centering, positioning and clamping of the diagonal steel, and the mounting seat is used to fix the first cylinder to the tooling base plate.

[0008] As a further improvement of the present invention, the cylinder pushing assembly includes a slide plate assembly, a second cylinder, a fixed base plate, a limit block and a first linear guide rail assembly; the fixed base plate is fixedly installed on the top surface of the roller bracket, and the limit blocks on both sides thereof are bolted to the slider of the first linear guide rail assembly to realize the linear motion of the slide plate assembly on the first linear guide rail assembly, and the adjustment cylinder is arranged in the middle of the rear side of the top surface of the fixed base plate and is bolted to the slide plate assembly. The movement of the slide plate assembly is controlled by the adjustment cylinder, and the position control of the slide plate assembly is realized by the limit block.

[0009] As a further improvement of the present invention, the linear module centering and positioning assembly includes a connecting seat, a linear module assembly, an electromagnet, and a fixed mounting seat; the fixed mounting seat is arranged on the middle top surface of the slide plate assembly, and the linear module assembly is installed above it, and the linear module assembly is provided with two sliders that can slide along it, and the two sliders are respectively bolted to the connecting seat, and an electromagnet is arranged on the outer side of the connecting seat, and the linear module assembly drives the connecting seat to suck and fix the pillar in the small part, thereby realizing the centering clamp function.

[0010] As a further improvement of the present invention, the servo screw positioning mechanism includes a second servo motor, a reducer, a fixed base, a second linear guide assembly, a movable fixture block and a screw mechanism; the fixed base is arranged on the top surface of the end of the slide plate assembly, and the second linear guide assembly and the screw mechanism are installed in the middle of the fixed base, and the ends are successively provided with a reducer and a second servo motor, and the movable fixture block can be installed on the second linear guide assembly so as to be movable left and right, and is driven by a screw mechanism, and the second servo motor drives the screw mechanism through the reducer to move the fixture block for positioning, thereby realizing the positioning and clamping of the small side column.

[0011] As a further improvement of the present invention, the operating steps are: S1, the PLC system controls the first servo motor and cylinder assembly of the cylinder centering and side servo clamping assembly to push and center clamp to achieve the bottom plate flat steel positioning; S2, the first cylinder of the cylinder centering assembly tightens the angle steel for positioning; S3, the cylinder push assembly drives the linear module centering and positioning assembly and the servo screw positioning mechanism to move, realizing overall movement; S4, servo screw positioning mechanism positions and clamps the side columns according to product dimensions; S5, the linear module centering and positioning assembly positions and clamps the center pillar according to the product size; S6. After all small parts are loaded, the spot welding robot starts spot welding.

[0012] The beneficial effects of the present invention are: a servo control system is used to control the position of the fixture, a sensor system is combined to detect material information, and a PLC system is used to switch the workpiece model to adjust parameters to achieve flexible production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the present invention.

[0014] Figure 2 This is a schematic diagram of the cylinder centering and side servo clamping assembly. The left and right pictures are from different perspectives.

[0015] Figure 3 Schematic diagram of the cylinder alignment assembly.

[0016] Figure 4 Schematic diagram of the cylinder push assembly.

[0017] Figure 5 This is a schematic diagram of the linear module centering and positioning components.

[0018] Figure 6 Schematic diagram of the servo screw positioning mechanism.

[0019] Figure 7 A schematic diagram of a roller support.

[0020] List of reference numerals: 1- tooling base; 2- cylinder centering and side servo clamping assembly, 21- first servo motor, 22- gear belt assembly, 23- mounting seat, 24- cylinder assembly, 25- lead screw, 26- lead screw nut, 27- guide rail slider, 28- electromagnetic adsorption assembly, 29- linear guide; 3- cylinder centering assembly, 31- mounting seat, 32- first cylinder, 33- clamping block, 34- clamping block mounting plate; 4- cylinder push assembly, 41- slide plate assembly, 42- second cylinder, 43- fixed Fixed base plate, 44-limit block, 45-first linear guide rail assembly; 5-linear module centering positioning assembly, 51-connecting seat, 52-linear module assembly, 53-electromagnet, 54-fixed mounting seat; 6-servo screw positioning mechanism, 61-second servo motor, 62-reducer, 63-fixed base, 64-second linear guide rail assembly, 65-movable fixture block, 66-screw mechanism; 7-roller bracket, 71-bottom plate flat steel, 72-angle steel, 73-middle pillar, 74-side column. DETAILED DESCRIPTION

[0021] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0022] like Figure 1 As shown, the present invention provides an automatic welding tool for roller supports, which is used for welding roller supports 7, including a tool base plate 1 and a cylinder centering and side servo clamping assembly 2, a cylinder centering assembly 3, a cylinder pushing assembly 4, a linear module centering and positioning assembly 5 and a servo screw positioning mechanism 6 arranged on the tool base plate 1; there are two cylinder centering and side servo clamping assemblies 2 and two cylinder centering assemblies 3, and they are symmetrically arranged on the left and right, wherein the two cylinder centering assemblies 3 are placed between the two cylinder centering and side servo clamping assemblies 2, and the cylinder centering and side servo clamping assemblies 2, the cylinder centering assembly 3 and the cylinder pushing assembly 4 are all bolted to the tool base plate 1, the linear module centering and positioning assembly 5 and the servo screw positioning mechanism 6 are installed on the cylinder pushing assembly 4, and can move linearly along its guide rail, and there are two servo screw positioning mechanisms 6, and they are symmetrically arranged on the left and right.

[0023] like Figure 7 As shown, the roller bracket 7 includes a bottom plate flat steel 71, an angle steel 72, a middle pillar 73 and a side pillar 74. There are two flat steels 71, which are symmetrically arranged at the bottom of both ends of the angle steel 72. There are two middle pillars 73, which are symmetrically arranged on the top surface of the angle steel 72. There are two side pillars 74, which are symmetrically arranged on the top surfaces of both ends of the angle steel 72.

[0024] like Figure 2 As shown, the cylinder centering and side servo clamping assembly 2 is arranged horizontally, including a first servo motor 21, a gear belt assembly 22, a mounting seat 23, a cylinder assembly 24, a lead screw 25, a lead screw nut 26, a guide slider 27, an electromagnetic adsorption assembly 28 and a linear guide 29; the bottom of one end of the mounting seat 23 is connected to the first servo motor 21, and the gear belt assembly 22 is arranged on the side of the end, and two symmetrically arranged linear guides 29 are arranged on the top surface, and the two ends of the mounting seat 23 are fixedly connected to the tooling base plate 1, and the linear guides 29 are arranged horizontally, and the two linear guides 29 are equipped with guide sliders 27 that can move along them. A horizontally arranged lead screw 25 is provided on the center line of 29, a lead screw nut 26 cooperating with the lead screw 25 is provided in the middle of the guide rail slider 27, and a cylinder assembly 24 and an electromagnetic adsorption assembly 28 are installed on the upper part; wherein, the first servo motor 21 drives the lead screw 25 through the gear belt assembly 22 to drive the lead screw nut 26 to push the edge positioning of the bottom plate flat steel 71 on the linear guide rail 29, the cylinder assembly 24 clamps the bottom plate flat steel 71 in the center, and the electromagnetic adsorption assembly 28 sucks the bottom plate for positioning; ensure that the first servo motor 21, the moving mechanism of the gear belt assembly 22 and the cylinder assembly 24 can be restored to the original position to perform the edge and center positioning of the angle steel 72.

[0025] like Figure 3 As shown, the cylinder centering assembly 3 includes a mounting seat 31, a first cylinder 32, a clamping block 33 and a clamping block mounting plate 34; the clamping block mounting plate 34 is symmetrically fixed on the two movable ends of the first cylinder 32, and the two clamping blocks 33 are symmetrically arranged on the inner side of the upper ends of the two clamping block mounting plates 34, for realizing the centering, positioning and clamping of the diagonal steel 72, and the mounting seat 31 is used to fix the first cylinder 32 to the tooling base plate 1.

[0026] like Figure 4 As shown, the cylinder pushing assembly 4 includes a slide plate assembly 41, a second cylinder 42, a fixed base plate 43, a limit block 44 and a first linear guide assembly 45; the fixed base plate 43 is fixedly installed on the top surface of the roller bracket 7, and the limit blocks 44 on both sides thereof are bolted to the slider of the first linear guide assembly 45, so as to realize the linear motion of the slide plate assembly 41 on the first linear guide assembly 45, and the adjusting cylinder 42 is arranged in the middle of the rear side of the top surface of the fixed base plate 43, and is bolted to the slide plate assembly 41, and the movement of the slide plate assembly 41 is controlled by the adjusting cylinder 42, and the position control of the slide plate assembly 41 is realized by the limit block 44.

[0027] like Figure 5As shown, the linear module centering positioning assembly 5 includes a connecting seat 51, a linear module assembly 52, an electromagnet 53, and a fixed mounting seat 54; the fixed mounting seat 54 is arranged on the middle top surface of the slide plate assembly 41, and the linear module assembly 52 is installed above it, and the linear module assembly 52 is provided with two sliders that can slide along it, and the two sliders are respectively bolted to the connecting seat 51, and the electromagnet 53 is arranged on the outer side of the connecting seat 51, and the linear module assembly 52 drives the connecting seat 51 to suck and fix the small part center pillar 73, thereby realizing the centering clamp function.

[0028] like Figure 6 As shown, the servo screw positioning mechanism 6 includes a second servo motor 61, a reducer 62, a fixed base 63, a second linear guide assembly 64, a movable fixture block 65 and a screw mechanism 66; the fixed base 63 is arranged on the top surface of the end of the slide assembly 41, and the second linear guide assembly 64 and the screw mechanism 66 are installed in the middle of the fixed base 63, and the reducer 62 and the second servo motor 61 are provided at the end in sequence. The movable fixture block 65 can be installed on the second linear guide assembly 64 so as to be movable left and right, and is driven by the screw mechanism 66. The second servo motor 61 drives the screw mechanism 66 through the reducer 62 to move the fixture block 65 for positioning, thereby realizing the positioning and clamping of the small-part side column 74.

[0029] In this embodiment, the operating steps of the present invention are: S1, the PLC system controls the first servo motor 21 and the cylinder assembly 24 of the cylinder centering and side servo clamping assembly 2 to push and center clamp to achieve the positioning of the bottom plate flat steel 71; S2, the first cylinder 32 of the cylinder centering assembly 3 tightens the angle steel 72 for positioning; S3, the cylinder push assembly 4 drives the linear module centering and positioning assembly 5 and the servo screw positioning mechanism 6 to move, realizing overall movement; S4, the servo screw positioning mechanism 6 positions and clamps the side column 74 according to the product size; S5, the linear module centering and positioning assembly 5 positions and clamps the center support 73 according to the product size; S6. After all small parts are loaded, the spot welding robot starts spot welding.

[0030] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. An automatic welding tool for roller bracket, characterized by: The invention is used for welding a roller support (7), comprising a tooling base plate (1) and a cylinder centering and side servo clamping assembly (2), a cylinder centering assembly (3), a cylinder pushing assembly (4), a linear module centering and positioning assembly (5) and a servo screw positioning mechanism (6) arranged on the tooling base plate (1); the cylinder centering and side servo clamping assembly (2) and the cylinder centering assembly (3) are both provided in two pieces and are arranged symmetrically on the left and right, wherein the two cylinder centering assemblies (3) are placed between the two cylinder centering and side servo clamping assemblies (2), and the cylinder centering and side servo clamping assemblies (2), the cylinder centering assembly (3) and the cylinder pushing assembly (4) are all bolted to the tooling base plate (1), the linear module centering and positioning assembly (5) and the servo screw positioning mechanism (6) are installed on the cylinder pushing assembly (4) and can move linearly along its guide rail, and there are two servo screw positioning mechanisms (6) and are arranged symmetrically on the left and right.

2. The automatic welding tool for roller bracket according to claim 1 is characterized in that: The roller support (7) comprises a bottom plate flat steel (71), an angle steel (72), a middle support column (73) and a side support column (74); the flat steel (71) is provided in two pieces and is symmetrically arranged at the bottom of both ends of the angle steel (72); the middle support column (73) is provided in two pieces and is symmetrically arranged on the top surface of the angle steel (72); and the side support column (74) is provided in two pieces and is symmetrically arranged on the top surface of both ends of the angle steel (72).

3. The automatic welding tool for roller bracket according to claim 2 is characterized in that: The cylinder centering and side servo clamping assembly (2) is arranged transversely, and comprises a first servo motor (21), a gear belt assembly (22), a mounting seat (23), a cylinder assembly (24), a lead screw (25), a lead screw nut (26), a guide rail slider (27), an electromagnetic adsorption assembly (28) and a linear guide rail (29); the bottom of one end of the mounting seat (23) is connected to the first servo motor (21), and the side surface of the end is provided with a gear belt assembly (22), and the top surface is provided with two symmetrically arranged linear guide rails (29), and the two ends of the mounting seat (23) are fixedly connected to the tooling base plate (1), and the linear guide rails (29) are arranged transversely, and the two linear guide rails (29) are provided with guide rail sliders (27) that can move along the two linear guide rails (29). ) is provided with a horizontally arranged lead screw (25) at the center line, a lead screw nut (26) cooperating with the lead screw (25) is provided at the middle of the guide rail slider (27), and a cylinder assembly (24) and an electromagnetic adsorption assembly (28) are installed on the upper part; wherein, the first servo motor (21) drives the lead screw (25) through the gear belt assembly (22) to drive the lead screw nut (26) to push the edge positioning of the bottom plate flat steel (71) on the linear guide rail (29), the cylinder assembly (24) performs centering clamping on the bottom plate flat steel (71), and the electromagnetic adsorption assembly (28) sucks the bottom plate for positioning; ensure that the first servo motor (21), the moving mechanism of the gear belt assembly (22) and the cylinder assembly (24) can be restored to the original position, and the angle steel (72) is positioned at the edge and in the center.

4. The automatic welding tool for roller bracket according to claim 3 is characterized in that: The cylinder centering assembly (3) comprises a mounting seat (31), a first cylinder (32), a clamping block (33) and a clamping block mounting plate (34); the clamping block mounting plate (34) is symmetrically fixed on two movable ends of the first cylinder (32), and two clamping blocks (33) are symmetrically arranged on the inner sides of the upper ends of the two clamping block mounting plates (34) to achieve centering, positioning and clamping of the diagonal steel (72); the mounting seat (31) is used to fixedly connect the first cylinder (32) to the tooling base plate (1).

5. The automatic welding tool for roller bracket according to claim 4 is characterized in that: The cylinder pushing assembly (4) comprises a slide plate assembly (41), a second cylinder (42), a fixed base plate (43), a limit block (44) and a first linear guide assembly (45); the fixed base plate (43) is fixedly mounted on the top surface of the roller bracket (7), the limit blocks (44) on both sides of the fixed base plate (43) are bolted to the slider of the first linear guide assembly (45) to enable the slide plate assembly (41) to perform linear motion on the first linear guide assembly (45); the adjustment cylinder (42) is arranged at the middle of the rear side of the top surface of the fixed base plate (43) and is bolted to the slide plate assembly (41); the movement of the slide plate assembly (41) is controlled by the adjustment cylinder (42), and the position of the slide plate assembly (41) is controlled by the limit block (44).

6. The automatic welding tool for roller bracket according to claim 5 is characterized in that: The linear module centering and positioning assembly (5) comprises a connecting seat (51), a linear module assembly (52), an electromagnet (53), and a fixed mounting seat (54); the fixed mounting seat (54) is arranged on the middle top surface of the slide plate assembly (41), and the linear module assembly (52) is installed above the fixed mounting seat; the linear module assembly (52) is provided with two slide blocks that can slide along the linear module assembly (52), and the two slide blocks are respectively bolted to the connecting seat (51); the electromagnet (53) is arranged on the outer side of the connecting seat (51); the linear module assembly (52) drives the connecting seat (51) to suck and fix the small part center pillar (73), thereby realizing the centering fixture function.

7. The automatic welding tool for roller bracket according to claim 6 is characterized in that: The servo screw positioning mechanism (6) comprises a second servo motor (61), a reducer (62), a fixed base (63), a second linear guide assembly (64), a movable fixture block (65) and a screw mechanism (66); the fixed base (63) is arranged on the top surface of the end of the slide assembly (41), and the second linear guide assembly (64) and the screw mechanism (66) are installed in the middle of the fixed base (63), and the reducer (62) and the second servo motor (61) are arranged at the end in sequence; the movable fixture block (65) is installed on the second linear guide assembly (64) so ​​as to be movable left and right, and is driven by the screw mechanism (66); the second servo motor (61) drives the screw mechanism (66) through the reducer (62) to move the fixture block (65) for positioning, thereby realizing the positioning and clamping of the small-piece side column (74).

8. The automatic welding tool for roller bracket according to claim 7 is characterized in that: The steps are: S1, the PLC system controls the first servo motor (21) and the cylinder assembly (24) of the cylinder centering and side servo clamping assembly (2) to push and center clamp, so as to achieve the positioning of the bottom plate flat steel (71); S2, the first cylinder (32) of the cylinder centering assembly (3) tightens the angle steel (72) for positioning; S3, the cylinder push assembly (4) drives the linear module centering and positioning assembly (5) and the servo screw positioning mechanism (6) to move, thereby achieving overall movement; S4, the servo screw positioning mechanism (6) positions and clamps the side column (74) according to the product size; S5, the linear module centering and positioning assembly (5) positions and clamps the center support (73) according to the product size; S6. After all small parts are loaded, the spot welding robot starts spot welding.

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