Automatic welding device for mine truck frame component

Abstract

The utility model provides an automatic welding device for mine truck frame parts, which comprises a tool frame, two turntables are arranged at the front end and the rear end of the tool frame, two groups of end beam clamping components on the tool frame are in front-back symmetry, a pressing device is arranged on the side face of each end beam clamping component, and the first end beam clamping component comprises a bottom plate, a slide carriage, a guide rail and an air cylinder. The air cylinder drives the floating connecting plate to drive the slide carriage to slide back and forth along the guide rail, a hydraulic oil cylinder is arranged on the front portion of the slide carriage, a clamping piece is fixedly arranged on a shell of the hydraulic oil cylinder, the pressing device comprises a corner oil cylinder and a pressing rod, the pressing rod is fixedly connected with a rotating pressing head of the corner oil cylinder, and the front-end pressing device is fixed to the tool frame. The rear end pressing device can slide back and forth along the waist-shaped groove of the tool frame; when the welding device is used, the repeated positioning precision of a workpiece on the welding device is high, the welding device can be suitable for installing and welding mine truck component assemblies with different specifications, sizes and lengths by adjusting the installing positions of the clamping assemblies, the working efficiency is improved, and the welding seam forming quality is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of automatic welding technology, and in particular to an automatic welding device for mining truck frame components. Background Technology

[0002] Traditional mining truck components have many specifications, with variations in length, width, and height. The shapes of mining truck components also vary, with some being single pieces and others being welded together. The location and size of positioning holes on the workpieces also differ.

[0003] Currently, manual welding is the main method used, and automated tooling for one-time clamping and welding has not been achieved. The welding quality is unstable during manual welding. Therefore, a robotic automatic welding device that can be manually loaded and unloaded and hydraulically clamped is needed. The device should have good versatility and a high welding completion rate. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic welding device for mining truck frame components.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] An automatic welding device for mining truck frame components is characterized by comprising a tooling frame, two turntables at the front and rear ends of the tooling frame, a first end beam clamping assembly at the rear of the upper end of the tooling frame, and a second end beam clamping assembly at the front of the upper end of the tooling frame. The second end beam clamping assembly and the first end beam clamping assembly are symmetrically arranged front to back. A set of clamping devices is provided on the left and right sides of the first end beam clamping assembly and the second end beam clamping assembly, respectively.

[0007] The first end beam clamping assembly includes a base plate, a slide, a guide rail, and a cylinder. The guide rail is arranged in the front-to-back direction, and the slide is slidably connected to the guide rail. The cylinder is fixed to the rear of the base plate, and the output shaft of the cylinder drives a floating connecting plate in the front-to-back direction. The floating connecting plate is fixedly connected to the slide, and the slide slides back and forth along the guide rail driven by the cylinder. A mounting seat is fixedly provided at the front of the upper end of the slide, and a pipe clamp is fixedly provided on the right side of the mounting seat. A hydraulic cylinder is fixedly provided at the upper end of the mounting seat, and a U-shaped clamping member is fixedly provided at the left end of the hydraulic cylinder housing. The output shaft of the hydraulic cylinder protrudes to the left from the inner wall of the right side of the clamping member.

[0008] The clamping device includes a rotary cylinder and a pressure rod. The pressure rod is fixedly connected to the rotating pressure head of the output shaft of the rotary cylinder. The front clamping device is fixedly connected to the tooling frame, and the rear clamping device can slide back and forth along the waist-shaped groove of the tooling frame.

[0009] Furthermore, limiting blocks are fixed on the left and right sides of the base plate, and the limiting blocks restrict the range of forward movement of the floating connecting plate.

[0010] Furthermore, the front end of the floating connecting plate is provided with a limiting rod, which cooperates with the limiting hole of the limiting block.

[0011] Furthermore, a positioning baffle is provided on the inner wall of the left side of the clamping member, and an adjustment shim is filled between the positioning baffle and the inner wall of the clamping member.

[0012] Furthermore, a cylinder mounting plate is fixedly provided at the rear of the base plate, the cylinder mounting plate spans across the top of the slide, and the front end of the cylinder housing is fixedly connected to the upper part of the cylinder mounting plate by bolts.

[0013] Furthermore, the turntable is connected to the tooling frame via a transition mounting base, which includes a vertical plate and a lower plate. The vertical plate is fixedly connected to the inner end of the turntable by bolts, and the lower plate is fixedly connected to the lower end of the tooling frame by bolts.

[0014] Furthermore, the tooling frame includes a rectangular panel and four side plates arranged around the outer perimeter of the panel. The lower ends of the front and rear side plates are respectively fixed with mounting plates, and the lower plates are fixedly connected to the mounting plates by bolts.

[0015] Furthermore, a first hollow steel section is fixed between the front and rear side plates, and a second hollow steel section is fixed between the left and right side plates, with the second hollow steel section passing through the through hole of the first hollow steel section.

[0016] Furthermore, a hydraulic system is provided at the lower end of the tooling frame, and the hydraulic system drives the hydraulic cylinder.

[0017] Furthermore, a guide rail protective plate is fixedly provided at the front end of the base plate, the guide rail protective plate restricts the range of forward movement of the slide, and a cylinder protective plate is fixedly provided at the upper end of the floating connecting plate, the cylinder protective plate covering the upper end of the cylinder when the slide moves backward.

[0018] This utility model uses a head and tail frame positioner. The workpiece is mounted upright. The holes in the bottom plate of the head of the mining truck component are used for positioning in the front-back and left-right directions by corresponding positioning pins on the tooling frame. The bottom surface is positioned on the mounting surface of the tooling frame. The bottom plate is clamped by a rotary hydraulic cylinder. The two ends of the mining truck component are clamped by two sets of sliding clamping components and hydraulic cylinders. The tail clamping component of the mining truck component changes according to the length of the workpiece. The entire clamping component can be installed on the tooling frame by changing the position of the mounting pin. At the same time, the clamping device can move back and forth in the waist-shaped groove, which can be used for welding workpieces of various lengths.

[0019] When this invention is used, the workpiece has high repeatability and positioning accuracy on the welding device. By adjusting the installation position of the clamping components, it can be used to install and weld various mining truck parts and components of different sizes and lengths, thereby improving work efficiency and ensuring the quality of weld formation. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a side view of the present invention.

[0022] Figure 3 This is a top view of the structure of this utility model;

[0023] Figure 4 This is a bottom view of the structure of this utility model;

[0024] Figure 5 This is a structural diagram of the transition mounting base of this utility model;

[0025] Figure 6 This is a structural diagram of the bottom end of the tooling frame of this utility model;

[0026] Figure 7 This is a three-dimensional structural diagram of the first end beam clamping assembly of this utility model;

[0027] Figure 8 This is a right-side structural view of the first end beam clamping assembly of this utility model;

[0028] Figure 9 This is a top view of the first end beam clamping assembly of this utility model;

[0029] Figure 10 This is a front view of the first end beam clamping assembly of this utility model.

[0030] Figure 11 This is a bottom view of the first end beam clamping assembly of this utility model;

[0031] Figure 12 This is a structural diagram of the turntable of this utility model;

[0032] Figure 13 This is a three-dimensional structural diagram of the pressing device of this utility model;

[0033] Figure 14 This is a side view of the pressing device of this utility model.

[0034] Figure label:

[0035] 1. Turntable, 2. First oil separator, 3. Second oil separator, 4. Cable sleeve, 5. Support bracket

[0036] 6. Third oil distribution block; 7. Protective sleeve; 8. Waist-shaped groove; 9. Turntable shaft; 10. Tooling frame.

[0037] 11 First end beam clamping assembly, 12 Transition mounting base, 13 Clamping device, 14 Second end beam clamping assembly,

[0038] 15 Hydraulic system, 16 Positioning pin, 17 Limit bar, 18 Workpiece,

[0039] 1001 Side plate, 1002 Front panel, 1003 First hollow steel section, 1004 Second hollow steel section,

[0040] 1101 Base plate, 1102 Guide rail protective plate, 1103 Cylinder protective plate, 1104 Floating connecting plate

[0041] 1105 Limit block, 1106 Floating head, 1107 Positioning baffle, 1108 Clamping component,

[0042] 1109 Mandrel, 1110 Slide, 1111 Pipe Clamp, 1112 Mounting Base, 1113 Cylinder Mounting Base

[0043] 1114 Hydraulic cylinder, 1115 Guide rail, 1116 Limit rod, 1117 Speed ​​control valve, 1118 Pneumatic cylinder,

[0044] 1119 pipe clamp mounting plate,

[0045] 1201 Vertical plate, 1202 Lower plate, 1203 Reinforcing rib plate

[0046] 1301 Pressure bar, 1302 Clamping component, 1303 Corner cylinder, 1304 Nut,

[0047] 1305 cover plate, 1306 rotary pressure head. Detailed Implementation

[0048] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0049] This embodiment discloses an automatic welding device for mining truck frame components, such as... Figure 1As shown, the fixture includes a tooling frame 10, with two turntables 1 at the front and rear ends of the tooling frame 10. A first end beam clamping assembly 11 is provided at the rear of the upper end of the tooling frame 10, and a second end beam clamping assembly 14 is provided at the front of the upper end of the tooling frame 10. The second end beam clamping assembly 14 and the first end beam clamping assembly 11 are symmetrical. A set of clamping devices 13 is provided on the left and right sides of the first end beam clamping assembly 11 and the second end beam clamping assembly 14, respectively.

[0050] like Figure 12 As shown, a turntable shaft 9 is located at the center of the turntable 1. The turntable 1 is connected to the tooling frame 10 via a transition mounting base 12, as shown. Figure 2 As shown, a bracket 5 is provided at the rear of the upper end of the tooling frame 10, and a protective sleeve 7 is provided at the rear end of the tooling frame 10.

[0051] like Figure 5 As shown, the transition mounting base 12 includes a vertical plate 1201 and a lower plate 1202. The vertical plate 1201 is fixedly connected to the inner end of the turntable 1 by bolts, and the lower plate 1202 is fixedly connected to the lower end of the tooling frame 10 by bolts. A triangular reinforcing rib 1203 is provided between the vertical plate 1201 and the lower plate 1202. The center of the vertical plate 1201 is provided with a circular hole that can accommodate the turntable shaft 9.

[0052] like Figure 6 As shown, the tooling frame 10 includes a rectangular panel 1002 and four side plates 1001 arranged around the outer periphery of the panel 1002. The lower ends of the front and rear side plates 1001 are respectively fixed with mounting plates 1005. The lower plate 1202 is fixedly connected to the mounting plates 1005 by bolts. A first hollow steel 1003 is fixed between the front and rear side plates, and a second hollow steel 1004 is fixed between the left and right side plates 1001. The second hollow steel 1004 passes through the through hole of the first hollow steel 1003.

[0053] like Figures 7-11 As shown, the first end beam clamping assembly 11 includes a base plate 1101, a slide plate 1110, a guide rail 1115, and a cylinder 1118. The guide rail 1115 is arranged in the front-back direction, and the slide plate 1110 is slidably connected to the guide rail 1115. A cylinder mounting plate 1113 is fixedly provided at the rear of the base plate 1101. The cylinder mounting plate 1113 spans across the top of the slide plate 1110. The front end of the cylinder 1118 housing is fixedly connected to the upper part of the cylinder mounting plate 1113 by bolts. The cylinder 1118 is provided with a speed regulating valve 1117.

[0054] The output shaft of cylinder 1118 drives floating head 1106 in the front-to-back direction. Floating connecting plate 1104 is fixedly provided on floating head 1106. Floating connecting plate 1104 is fixedly connected to slide plate 1110. Slide plate 1110 is driven by cylinder 1118 to slide back and forth along guide rail 1115.

[0055] Limiting blocks 1105 are fixed on the left and right sides of the base plate 1101. The limiting blocks 1105 restrict the forward movement range of the floating connecting plate 1104. A limiting rod 1116 protrudes from the front end of the floating connecting plate 1104. The limiting rod 1116 cooperates with the limiting hole of the limiting block 1105 to play a guiding and limiting role.

[0056] like Figure 8 As shown, a mounting base 1112 is fixedly provided at the front of the upper end of the slide plate 1110. A pipe clamp mounting plate 1119 protrudes from the right side of the mounting base 1112. A pipe clamp 1111 is fixedly provided on the pipe clamp mounting plate 1119. A hydraulic cylinder 1114 is fixedly provided at the upper end of the mounting base 1112. A hydraulic system 15 is provided at the lower end of the tooling frame 10. The hydraulic system 15 drives the hydraulic cylinder 1114.

[0057] like Figure 3 and Figure 4 As shown, the upper end of the working frame 10 is provided with a cable protection sleeve 4, and the lower end of the tooling frame 10 is provided with a first oil distribution block 2, a second oil distribution block 3, and a third oil distribution block 6. The wiring of the hydraulic system 15 is set through the cable protection sleeve 4. The first oil distribution block 2, the second oil distribution block 3, and the third oil distribution block 6 cooperate with the hydraulic system 15 and the hydraulic cylinder 1114.

[0058] A U-shaped clamping member 1108 is fixedly provided at the left end of the housing of the hydraulic cylinder 1114. The output shaft of the hydraulic cylinder 1114 protrudes to the left from the inner wall of the right side of the clamping member 1108. The output shaft of the hydraulic cylinder 1114 is provided with a top block 1109. The inner wall of the left side of the clamping member 1108 is provided with a positioning baffle 1107. The positioning baffle 1107 and the inner wall of the clamping member 1108 are filled with adjusting shims. The workpiece 18 is pressed from the left and right directions by the top block 1109 and the positioning baffle 1107.

[0059] A guide rail protection plate 1102 is fixedly provided at the front end of the base plate 1101. The guide rail protection plate 1102 restricts the forward movement range of the slide plate 1110. A cylinder protection plate 1102 is fixedly provided at the upper end of the floating connecting plate 1104. When the slide plate 1110 moves backward, the cylinder protection plate 1102 covers the upper end of the cylinder 1118.

[0060] like Figure 13 and 14 As shown, the clamping device 13 includes a rotary cylinder 1303 and a pressure rod 1301. The pressure rod 1301 is fixedly connected to the rotating pressure head 1306 of the output shaft of the rotary cylinder 1303. The pressure rod 1301 passes through the outer end of the rotating pressure head 1306 from top to bottom. The outer end of the rotating pressure head 1306 is provided with a nut 1304 for receiving the pressure rod 1301 and screwing it in for positioning.

[0061] In the initial state, the rotating pressure head 1306 and pressure rod 1301 of the angle cylinder 1303 are at the highest position. During operation, the angle cylinder 1303 drives the rotating pressure head 1306 to rotate 90° to the lowest position, and the pressure rod 1301 is also pressed down to the lowest position.

[0062] The outer wall of the corner cylinder 1303 has a threaded structure. The outer wall of the corner cylinder 1303 is connected by a gasket and a clamping member 1302. The inner wall of the clamping member 1302 is provided with an internal thread that mates with the outer wall of the corner cylinder 1303. Rotating the clamping member 1302 allows the clamping device 13 to slide back and forth or lock in a certain position in the waist-shaped groove 8.

[0063] like Figure 1 As shown, the front clamping device 13 is fixedly connected to the tooling frame 10, and the rear clamping device 13 can slide back and forth along the waist-shaped groove 8 of the tooling frame 10, as shown. Figure 4 As shown, a limiting strip 17 is provided at the lower end of the working frame 10. The limiting strip 17 is located on the side of the waist-shaped groove 8 and is used for limiting and guiding.

[0064] In this embodiment, the mining truck component workpiece 18 (three crossbeams) is positioned by the holes on the bottom surface of the workpiece 18 and the positioning seats installed on the tooling frame 10. The lower end of the workpiece 18 is pressed against the tooling frame 10 by the hydraulic rotating pressure heads 1302 of the four sets of clamping devices 13. The clamping parts 1108 on the first end beam clamping assembly 11 and the second beam clamping assembly 14 on the tooling move along the guide rail 1115 under the push of their respective cylinders 1118 and approach the middle plate of the workpiece 18. At this time, the hydraulic cylinders 1114 are activated to clamp the middle plate of the workpiece 18 respectively. At this time, the workpiece 18 has completed positioning and clamping, and the robot performs automatic welding.

[0065] According to the different specifications and lengths of the mining truck parts 18, adjust the pin of the first end beam clamping assembly 11 to match the pin hole on the tooling frame 10 to determine the position of the slide 10 in the length direction of the tooling 18. Among them, the two sets of clamping devices 13 near the front end of the first end beam clamping assembly 11 are moved to the designated position along the waist groove 8 as needed and fixed. At the same time, the positioning pin 16 on the tooling frame 10 is also adjusted to the designated position. Repeat the above installation sequence to install the parts 18 and weld them.

[0066] When installing workpiece 18, the overhead crane is used to lift workpiece 18 to a suitable height and move it toward the tooling frame 10 until it is close enough to be installed with positioning pin 16. After workpiece 18 is clamped and automatic welding is completed, the clamping devices 13 are released, and the cylinders 1118 of the first end beam clamping assembly 11 and the second beam clamping assembly 14 retract the clamping parts 1108. The overhead crane and lifting equipment are then used to lift workpiece 18 out.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic welding device for mining truck frame components, characterized in that, The fixture includes a tooling frame (10), with two turntables (1) at the front and rear ends of the tooling frame (10). A first end beam clamping assembly (11) is provided at the rear of the upper end of the tooling frame (10), and a second end beam clamping assembly (14) is provided at the front of the upper end of the tooling frame (10). The second end beam clamping assembly (14) and the first end beam clamping assembly (11) are symmetrical front and rear. A set of clamping devices (13) is provided on the left and right sides of the first end beam clamping assembly (11) and the second end beam clamping assembly (14). The first end beam clamping assembly (11) includes a base plate (1101), a slide plate (1110), a guide rail (1115), and a cylinder (1118). The guide rail (1115) is arranged in the front-rear direction. The slide plate (1110) is slidably connected to the guide rail (1115). The cylinder (1118) is fixed to the rear of the base plate (1101). The output shaft of the cylinder (1118) drives a floating connecting plate (1104) in the front-rear direction. The floating connecting plate (1104) is fixedly connected to the slide plate (1110). 10) Driven by a cylinder (1118), the slide slides back and forth along the guide rail (1115). A mounting base (1112) is fixedly provided at the front of the upper end of the slide plate (1110). A pipe clamp (1111) is fixedly provided on the right side of the mounting base (1112). A hydraulic cylinder (1114) is fixedly provided at the upper end of the mounting base (1112). A U-shaped clamping member (1108) is fixedly provided at the left end of the housing of the hydraulic cylinder (1114). The output shaft of the hydraulic cylinder (1114) protrudes to the left from the inner wall on the right side of the clamping member (1108). The clamping device (13) includes a rotary cylinder (1303) and a pressure rod (1301). The pressure rod (1301) is fixedly connected to the rotating pressure head (1306) of the output shaft of the rotary cylinder (1303). The front clamping device (13) is fixedly connected to the tooling frame (10). The rear clamping device (13) can slide back and forth along the waist groove (8) of the tooling frame (10).

2. The automatic welding device for mining truck frame components according to claim 1, characterized in that, Limiting blocks (1105) are fixed on the left and right sides of the base plate (1101), and the limiting blocks (1105) restrict the range of forward movement of the floating connecting plate (1104).

3. The automatic welding device for mining truck frame components according to claim 2, characterized in that, The front end of the floating connecting plate (1104) is provided with a limiting rod (1116), which cooperates with the limiting hole of the limiting block (1105).

4. The automatic welding device for mining truck frame components according to claim 1, characterized in that, The inner wall on the left side of the clamping member (1108) is provided with a positioning baffle (1107), and an adjustment shim is filled between the positioning baffle (1107) and the inner wall of the clamping member (1108).

5. The automatic welding device for mining truck frame components according to claim 1, characterized in that, A cylinder mounting plate (1113) is fixedly provided at the rear of the base plate (1101). The cylinder mounting plate (1113) spans across the top of the slide plate (1110). The front end of the cylinder (1118) housing is fixedly connected to the upper part of the cylinder mounting plate (1113) by bolts.

6. The automatic welding device for mining truck frame components according to claim 1, characterized in that, The turntable (1) is connected to the tooling frame (10) via a transition mounting base (12). The transition mounting base (12) includes a vertical plate (1201) and a lower plate (1202). The vertical plate (1201) is fixedly connected to the inner end of the turntable (1) by bolts, and the lower plate (1202) is fixedly connected to the lower end of the tooling frame (10) by bolts.

7. The automatic welding device for mining truck frame components according to claim 6, characterized in that, The tooling frame (10) includes a rectangular panel (1002) and four side plates (1001) arranged around the outer periphery of the panel (1002). The lower ends of the front and rear side plates (1001) are respectively fixed with mounting plates (1005), and the lower plate (1202) and the mounting plate (1005) are fixedly connected by bolts.

8. The automatic welding device for mining truck frame components according to claim 7, characterized in that, A first hollow steel section (1003) is fixed between the front and rear side plates, and a second hollow steel section (1004) is fixed between the left and right side plates (1001). The second hollow steel section (1004) passes through the through hole of the first hollow steel section (1003).

9. The automatic welding device for mining truck frame components according to claim 1, characterized in that, The lower end of the tooling frame (10) is provided with a hydraulic system (15), which drives the hydraulic cylinder (1114).

10. The automatic welding device for mining truck frame components according to claim 1, characterized in that, The front end of the base plate (1101) is fixedly provided with a guide rail protection plate (1102), which restricts the forward movement range of the slide (1110). The upper end of the floating connecting plate (1104) is fixedly provided with a cylinder protection plate (1103), which covers the upper end of the cylinder (1118) when the slide (1110) moves backward.

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