A robot welding tool for cab floor

Abstract

The present invention provides a cab floor robot welding tool, comprising a workbench, a slidable front clamp assembly is arranged at the first end of the workbench, and also comprises a side clamp assembly slidably arranged on the workbench, and the side clamp assemblies are symmetrically distributed on both sides adjacent to the first end of the workbench; the sliding track of the front clamp assembly is perpendicular to the sliding track of the side clamp assembly. The side clamp assembly comprises a first side clamp group and a second side clamp group. A longitudinal pressure-bearing member and a positioning support member for positioning the skeleton beam are arranged in the middle of the workbench, and a positive pressure assembly is distributed in the second end of the workbench, the area between the first side clamp group and the second side clamp group, and a clamping assembly is distributed between the two symmetrically distributed second side clamp groups. The front clamp assembly, the side clamp assembly and the positive pressure assembly are all configured to detect the presence of a welded part, and then detect whether it is clamped. The present invention has a reliable clamping and can prevent the welded part from deforming.

Description

Technical Field

[0001] The invention relates to the technical field of motor vehicle processing and manufacturing, and in particular to a cab floor robot welding tool. Background Art

[0002] The welding process of the cab floor is an important process. The final processing effect directly affects the overall assembly structure of the cab and the interior assembly effect of the cab. However, the cab floor is relatively large in size and mostly thin plates. The traditional tooling and clamping effect is poor, which easily leads to welding deformation and the occurrence of false welding and leaking welding. Summary of the invention

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a cab floor robot welding tool, which has a secure clamping function, can reduce cold welds and leaked welds, and can prevent the welded parts from deforming.

[0004] The embodiments of the present invention are implemented by the following technical solutions:

[0005] A cab floor robot welding tool comprises a workbench, a slidable positive clamp assembly is arranged at the first end of the workbench, and also comprises a side clamp assembly slidably arranged on the workbench, and the side clamp assemblies are symmetrically distributed on both sides adjacent to the first end of the workbench. The sliding track of the positive clamp assembly is perpendicular to the sliding track of the side clamp assembly. The side clamp assembly comprises a first side clamp group and a second side clamp group, the first side clamp group is arranged near the second end of the workbench, and the second side clamp group is between the positive clamp assembly and the first side clamp group. A longitudinal pressure-bearing member and a positioning support member for positioning a skeleton beam are arranged in the middle of the workbench, and the positive pressure assembly is distributed in the second end of the workbench and the area between the first side clamp group and the second side clamp group, and a clamping assembly is distributed between the two symmetrically distributed second side clamp groups. The positive clamp assembly, the side clamp assembly and the positive pressure assembly are all configured to detect the presence of the welded part and further detect whether it is clamped.

[0006] According to a preferred embodiment, the front clamp assembly and the side clamp assembly are both slidably connected to the workbench via a sliding assembly, and the side clamp assembly is provided with a plurality of clamping components for fixing the welded parts, and each of the clamping components is provided with a detection block for detecting whether it is pressing the welded parts.

[0007] According to a preferred embodiment, the first side clamp group includes a first clamp and a second clamp, the first clamp includes a fourth base, a second positioning pin and a second detection member for detecting the presence of a welded part are arranged on the fourth base. The second clamp includes a fifth base, a third positioning pin is arranged on the fifth base.

[0008] According to a preferred embodiment, the second side clamp group includes a lower clamping part and an upper clamping part, the lower clamping part includes a ninth base, the upper clamping part includes a tenth base, the tenth base is provided with a fourth positioning pin, a second extension frame and a third detection member for detecting the presence or absence of a welded part, and the second extension frame is provided with a plurality of fifth support blocks for limiting the welded part.

[0009] According to a preferred embodiment, the clamping components are installed on the fourth base, the fifth base, the ninth base and the tenth base, wherein: the openings of the clamping components on the fourth base and the fifth base are downward, and the ninth base and the tenth base are provided with a plurality of the clamping components in an upper and lower relative manner. The second positioning pin, the third positioning pin and the fourth positioning pin are all distributed close to the clamping ends of the clamping components corresponding thereto.

[0010] According to a preferred embodiment, the clamping component includes a seventh cylinder, the end of the piston rod of the seventh cylinder is hinged with a second pressure claw, the middle of the second pressure claw is hinged with a hinged connecting rod, the top of the second pressure claw is provided with a fifth pressure block, and the detection block is installed on the outside of the cylinder body of the seventh cylinder. The hinged connecting rod is hinged to the fourth base, the fifth base, the ninth base and the tenth base corresponding to the clamping component, and the cylinder body of the seventh cylinder is hinged to the fourth base, the fifth base, the ninth base and the tenth base corresponding to the clamping component.

[0011] According to a preferred embodiment, the alignment fixture assembly includes a frame plate, the frame plate is slidably connected to the workbench through the sliding assembly, a third fixture, a fourth fixture and a frame plate are arranged on the frame plate, a plurality of the fourth fixtures are located in the middle of the frame plate, two of the third fixtures are symmetrically distributed about the fourth fixture, and two of the frame plates are symmetrically distributed about the fourth fixture. The third fixture includes an eleventh base and a fourth cylinder, the end of the piston rod of the fourth cylinder is hinged with a second pressure arm, the fourth cylinder and the second pressure arm are both hinged with the eleventh base, a first pressure claw is arranged at the end of the second pressure arm, a plurality of sixth support blocks are arranged on the first pressure claw, a first extension rod is arranged on the second pressure arm between the eleventh base and the first pressure claw, and a fifth positioning pin and a fourth detection member are arranged between the first extension rod and the first pressure claw. The fourth clamp includes a twelfth base and a fifth cylinder, the end of the piston rod of the fifth cylinder is hinged with a third pressing arm, the third pressing arm and the fifth cylinder are both hinged to the twelfth base, and the end of the third pressing arm is provided with a sixth positioning pin, a fifth detection member and a second extension rod. The eleventh base and the twelfth base are both mounted on the frame plate.

[0012] According to a preferred embodiment, the positive pressure assembly includes a pressure-applying part and a pressure-bearing part that cooperate with each other, the pressure-applying part includes a first base, a first cylinder is hinged on the first base, a first pressure arm is hinged at the end of the piston rod of the first cylinder, the first pressure arm is hinged to the top of the first base, and a first pressure block is arranged at the end of the first pressure arm. The pressure-bearing part includes a second base and a first detection member, a second pressure block is arranged at the top of the second base, and the first detection member is arranged at a position of the second base close to the second pressure block. The first pressure block and the second pressure block cooperate with each other to clamp the welded part.

[0013] According to a preferred embodiment, the positioning support member includes a third base, a second cylinder is arranged on the third base, a first support block is arranged at the end of the piston rod of the second cylinder, and a first positioning pin is arranged on the first support block.

[0014] According to a preferred embodiment, the clamp pressing assembly includes an eighth base, a fourth extension plate is provided on the eighth base, a third cylinder and a clamp pressing head are hinged on the fourth extension plate, the end of the piston rod of the third cylinder is hinged to the clamp pressing head, and a fourth support block is provided at the end of the fourth extension plate.

[0015] The technical solution of the embodiment of the present invention has at least the following advantages and beneficial effects:

[0016] The present invention has a reasonable design and a simple structure. The positive clamp assembly cooperates with the side clamp assembly and the positive pressure assembly arranged on the opposite side of the positive clamp assembly to clamp and limit the bottom plate in the horizontal direction, and then supports and limits each welding part through the longitudinal pressure-bearing part, the positioning support part and the clamping assembly, so that each welded part is accurately positioned, supported in place, and clamped firmly, which can prevent it from being offset or even deformed during the welding process. At the same time, the positive clamp assembly and the side clamp assembly adopt a sliding setting, which can slide the working area when unloading, facilitate the installation of the workpiece, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the top view structure of the present invention;

[0019] Figure 2 A schematic diagram of the three-dimensional structure of the cab bottom plate clamped by the present invention;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the first side clamp group in the present invention;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the second side clamp group in the present invention;

[0022] Figure 5 It is a front view structural schematic diagram of the clamping component in the present invention;

[0023] Figure 6 is a schematic diagram of the three-dimensional structure of the third clamp in the present invention;

[0024] Figure 7 is a schematic diagram of the three-dimensional structure of the fourth clamp in the present invention;

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the positive pressure assembly in the present invention;

[0026] Fig. 9 It is a schematic diagram of the three-dimensional structure of the positioning support member in the present invention;

[0027] Fig.10 It is a front view structural schematic diagram of the clamping assembly in the present invention;

[0028] Fig.11 It is a front view structural schematic diagram of the first supporting assembly in the present invention;

[0029] Fig.12 It is a front view structural schematic diagram of the second supporting assembly in the present invention.

[0030] Icons: 1-working table, 2-positive pressure assembly, 21-pressure applying part, 211-first base, 212-first extension plate, 213-first cylinder, 214-first pressure arm, 215-first pressure block, 22-pressure bearing part, 221-second base, 222-first detection member, 223-second pressure block, 3-positioning support member, 31-third base, 32-second cylinder, 33-first positioning pin, 34-first support block, 4-first side clamp group, 41-first clamp, 411-fourth base, 412-second detection member, 413-second positioning pin, 414 - second support block, 42- second clamp, 421- fifth base, 422- third support block, 423- third positioning pin, 43- first mounting plate, 5- first support assembly, 51- sixth base, 52- second extension plate, 53- third pressure block, 6- second support assembly, 61- seventh base, 62- third extension plate, 63- fourth pressure block, 7- clamp pressure assembly, 71- eighth base, 72- fourth extension plate, 73- third cylinder, 74- clamp pressure head, 75- fourth support block, 8- second side clamp assembly, 81- lower clamping part, 811- ninth base, 81 2-fifth extension plate, 82-upper clamping part, 821-tenth base, 822-second extension frame, 823-fifth support block, 824-fourth positioning pin, 825-third detection piece, 83-second mounting plate, 9-third fixture, 91-eleventh base, 92-fourth cylinder, 93-second pressure arm, 94-first extension rod, 95-fifth positioning pin, 96-fourth detection piece, 97-first pressure claw, 98-sixth support block, 10-fourth fixture, 101-third pressure arm, 102-fifth cylinder, 103-twelfth base, 104-sixth positioning pin, 105-fifth detection member, 106-second extension rod, 11-frame plate, 12-third support assembly, 13-transition frame, 14-sliding assembly, 141-support plate, 142-slide rail, 143-frame rod, 144-dust shield, 145-limiting block, 146-sixth cylinder, 147-slide plate, 148-slider 15-clamping component, 151-seventh cylinder, 152-articulated connecting rod, 153-second pressure claw, 154-fifth pressure block, 16-detection block, a-skeleton beam, b-base support plate, c-bottom plate upper bracket, d-bottom plate, e-bottom plate lower bracket. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the product of the invention is usually placed when used. It is only for the convenience of describing the present invention and simplifying the description, and does 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 a limitation on the present invention.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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.

[0036] like Figure 2 As shown, the cab floor includes a frame beam a, a floor upper bracket c and a floor lower bracket e are welded to the side of the frame beam a, a floor d is welded to the upper side of the frame beam a, the floor d is welded to the frame beam a, the floor upper bracket c and the floor lower bracket e respectively, a base support plate b is welded between the two floor upper brackets c located on both sides of the frame beam a, the ends of the base support plate b are welded to the corresponding floor upper brackets c, and the base support plate b is welded to the floor d.

[0037] Please refer to Figures 1 to 12 A cab floor robot welding tool comprises a rectangular workbench 1, a slidable positive clamp assembly is arranged at the first end of the length direction of the workbench 1, and also comprises a side clamp assembly slidably arranged on the workbench 1, and the side clamp assemblies are symmetrically distributed on both sides adjacent to the first end of the workbench 1. The sliding track of the positive clamp assembly is perpendicular to the sliding track of the side clamp assembly. The side clamp assembly comprises a first side clamp group 4 and a second side clamp group 8, the first side clamp group 4 is arranged near the second end of the length direction of the workbench 1, and the second side clamp group 8 is between the positive clamp assembly and the first side clamp group 4. A longitudinal pressure-bearing member and a positioning support member 3 for positioning the skeleton beam a are arranged in the middle of the workbench 1, and the area between the second end of the workbench 1, the first side clamp group 4 and the second side clamp group 8 are all distributed with positive pressure assemblies 2, and a clamping assembly 7 is distributed between the two symmetrically distributed second side clamp groups 8. The positive clamp assembly, the side clamp assembly and the positive pressure assembly 2 are all configured to detect the presence of the welded part, and further detect whether it is clamped.

[0038] Specifically, the staff first places the skeleton beam a on the workbench 1, and pre-positions it through the longitudinal pressure-bearing member, the positioning support member 3 and the positive pressure assembly 2 to limit its longitudinal position. Then, the positive positioning fixture assembly is slid and close to the upper end of the skeleton beam a, so that the third fixture 9, the fourth fixture 10 and the third support assembly 12 on the positive positioning fixture assembly abut against the skeleton beam a and form a support limit for it in the longitudinal direction, and then the positive positioning fixture assembly cooperates with the positive pressure assembly 2 to fix the position of the skeleton beam a in its length direction, and then the skeleton beam a is locked with the clamping assembly 7 through the hole provided on the skeleton beam a that is compatible with the clamping assembly 7, and it is fixed again to ensure its firmness as a welding base to prevent it from displacement during the welding process. Next, the bottom plate d is buckled on the skeleton beam a, and the upper bottom plate bracket c and the lower bottom plate bracket e are installed on both sides of the bottom plate d, as shown in FIG. Figure 2 As shown, the base support plate b is installed between the two bottom plate upper brackets c, and finally the first side clamp group 4 and the second side clamp group 8 are slid and abutted against the bottom plate d, the bottom plate upper bracket c and the bottom plate lower bracket e, and then they are fixed and clamped. The sliding direction of the positive clamp assembly is the length direction of the workbench 1, and the sliding direction of the side clamp assembly is the width direction of the workbench 1.

[0039] Further, such as Figure 3As shown, both the front clamp assembly and the side clamp assembly are slidably connected to the workbench 1 through the sliding assembly 14. The side clamp assembly is provided with a plurality of clamping components 15 for fixing the welded parts, and each of the clamping components 15 is provided with a detection block 16 for detecting whether it is pressing the welded parts. The first side clamp group 4 includes a first clamp 41 and a second clamp 42. The first clamp 41 includes a fourth base 411, and a second support block 414 and a second detection component 412 for detecting the presence or absence of the welded parts are provided on the fourth base 411, and a second positioning pin 413 is provided on the second support block 414. The second clamp 42 includes a fifth base 421, and a third support block 422 is provided on the fifth base 421, and a third positioning pin 423 is provided on the third support block 422. Furthermore, the sliding assembly 14 includes a support plate 141 and a slide plate 147. The support plate 141 is provided with a slide rail 142 and a frame rod 143. The frame rod 143 is provided at the end of the slide rail 142. A dust shield 144 is installed on the frame rod 143. The support plate 141 is also provided with a sixth cylinder 146 and a limit block 145. The sixth cylinder 146 is connected to the slide plate 147 and is used to drive the slide plate 147. The limit block 145 is located on the opposite side of the sixth cylinder 146 to limit the limit position of the slide plate 147. A slider 148 is provided on the lower end surface of the slide plate 147. The slider 148 is clamped on the slide rail 142. The slide plate 147 is slidably connected to the slide rail 142 through the slider 148.

[0040] Specifically, the first side clamp group 4 is used to clamp the bottom plate bracket e and press the bottom plate d, the second positioning pin 413 and the third positioning pin 423 pass through the bottom plate bracket e to position it, and the third support block 422 applies horizontal pressure to the bottom plate bracket e to fix it. The second detection member 412 here is used to detect whether there is a welded part within the clamping range of the first side clamp group 4 to indicate the next step of the welding robot.

[0041] like Figure 4 As shown, the second side clamp group 8 includes a lower clamping part 81 and an upper clamping part 82, the lower clamping part 81 includes a ninth base 811, the ninth base 811 is provided with a fifth extension plate 812, the upper clamping part 82 includes a tenth base 821, the tenth base 821 is provided with a fourth positioning pin 824, a second extension frame 822 and a third detection member 825 for detecting the presence of welded parts, and the second extension frame 822 is provided with a plurality of fifth support blocks 823 for limiting the welded parts. Further, the fourth base 411, the fifth base 421, the ninth base 811 and the tenth base 821 are all installed with clamping components 15, wherein: Figure 4As shown, the openings of the clamping parts 15 on the fourth base 411 and the fifth base 421 are downward, and the ninth base 811 and the tenth base 821 are provided with multiple clamping parts 15 in an upper and lower relative manner. A clamping part 15 is provided at the upper and lower ends of the fifth extension plate 812, two clamping parts 15 are provided at the upper end of the tenth base 821, and a clamping part 15 is provided at the middle of the tenth base 821. The second positioning pin 413, the third positioning pin 423 and the fourth positioning pin 824 are all distributed close to the clamping ends of the clamping parts 15 corresponding to them.

[0042] Specifically, the second side clamp group 8 is used to clamp the bracket c and the base plate d on the base plate, the fourth positioning pin 824 passes through the bracket c on the base plate to position it, the fifth support block 823 is used to press the bracket c on the base plate longitudinally, and the third detection piece 825 is used to detect whether there are welding parts within the clamping range of the second side clamp group 8 to indicate the next step of the welding robot.

[0043] like Figure 5 As shown, the clamping component 15 includes a seventh cylinder 151, the end of the piston rod of the seventh cylinder 151 is hinged with a second pressing claw 153, the middle of the second pressing claw 153 is hinged with a hinged connecting rod 152, the top of the second pressing claw 153 is provided with a fifth pressing block 154, and the detection block 16 is installed outside the cylinder body of the seventh cylinder 151. The hinged connecting rod 152 is hinged to the fourth base 411, the fifth base 421, the ninth base 811 and the tenth base 821 corresponding to the clamping component 15, and the cylinder body of the seventh cylinder 151 is hinged to the fourth base 411, the fifth base 421, the ninth base 811 and the tenth base 821 corresponding to the clamping component 15. Specifically, the clamping component 15 is used to clamp the bottom plate d and the bottom plate lower bracket e, the bottom plate d and the bottom plate upper bracket c and limit the positions of the bottom plate d, the bottom plate bracket c and the bottom plate lower bracket e in the width direction of the workbench 1.

[0044] like Figure 6 and Figure 7As shown, the positive clamp assembly includes a frame plate 11, which is slidably connected to the workbench 1 through a sliding assembly 14. The frame plate 11 is provided with a third clamp 9, a fourth clamp 10 and the frame plate 11. A plurality of fourth clamps 10 are located in the middle of the frame plate 11. Two third clamps 9 are symmetrically distributed about the fourth clamp 10, and two frame plates 11 are symmetrically distributed about the fourth clamp 10. The third clamp 9 includes an eleventh base 91 and a fourth cylinder 92. The end of the piston rod of the fourth cylinder 92 is hinged with a second pressing arm 93. The fourth cylinder 92 and the second pressing arm 93 are both hinged with the eleventh base 91. The end of the second pressing arm 93 is provided with a first pressing claw 97. The first pressing claw 97 is provided with a plurality of sixth support blocks 98. The second pressing arm 93 is provided with a first extension rod 94 between the eleventh base 91 and the first pressing claw 97. A fifth positioning pin 95 and a fourth detection member 96 are provided between the first extension rod 94 and the first pressing claw 97. The fourth clamp 10 includes a twelfth base 103 and a fifth cylinder 102, the end of the piston rod of the fifth cylinder 102 is hinged with a third pressing arm 101, the third pressing arm 101 and the fifth cylinder 102 are both hinged to the twelfth base 103, and the end of the third pressing arm 101 is provided with a sixth positioning pin 104, a fifth detection member 105 and a second extension rod 106. The eleventh base 91 and the twelfth base 103 are both installed on the frame plate 11.

[0045] Specifically, the second pressing arm 93 is pressed, and at this time, the end of the first extension rod 94 abuts against the bottom of the base support plate b and applies pressure to it, so that it fits tightly with the bottom plate d, and the sixth support block 98 abuts against the side of the base support plate b to limit and clamp it in the length direction of the workbench 1. The fifth positioning pin 95 is used to penetrate the base bracket welded on the other side of the base support plate b, and the fourth detection member 96 is used to detect whether the base bracket integrated with the base support plate b exists, so as to indicate the next step of the welding robot. The third pressing arm 101 is pressed, and at this time the end of the second extension rod 106 abuts against the bottom of the base support plate b and applies pressure to it, and its function is consistent with that of the first extension rod 94. The fifth detection member 105 is used to detect whether the base support plate b exists. The sixth positioning pin 104 penetrates the upper edge of the base support plate b to position it.

[0046] like Figure 8As shown, the positive pressure assembly 2 includes a pressure-applying portion 21 and a pressure-bearing portion 22 that cooperate with each other. The pressure-applying portion 21 includes a first base 211. A first extension plate 212 is provided on the first base 211, and a first cylinder 213 is hinged on the first base 211. A first pressure arm 214 is hinged at the end of the piston rod of the first cylinder 213. The first pressure arm 214 is hinged to the top of the first extension plate 212, and a first pressure block 215 is provided at the end of the first pressure arm 214. The pressure-bearing portion 22 includes a second base 221 and a first detection member 222. A second pressure block 223 is provided at the top of the second base 221, and the first detection member 222 is provided at a position of the second base 221 close to the second pressure block 223. The first pressure block 215 and the second pressure block 223 cooperate with each other to clamp the welded parts. As shown Figure 1 and Figure 8 As shown, the second pressing block 223 supports the bottom plate d and is pressed tightly by cooperating with the first pressing block 215 through the first pressing arm 214 .

[0047] like Fig. 9 As shown, the positioning support 3 includes a third base 31, on which a second cylinder 32 is disposed, and a first support block 34 is disposed at the end of the piston rod of the second cylinder 32, on which a first positioning pin 33 is disposed. The first positioning pin 33 penetrates the skeleton beam a to position it.

[0048] like Fig.10 As shown, the clamp pressing assembly 7 includes an eighth base 71, on which a fourth extension plate 72 is provided, on which a third cylinder 73 and a clamp pressing head 74 are hinged, the end of the piston rod of the third cylinder 73 is hinged to the clamp pressing head 74, and a fourth support block 75 is provided at the end of the fourth extension plate 72.

[0049] like Fig.11 and Fig.12 As shown, the longitudinal pressure-bearing member includes a first support assembly 5, a second support assembly 6 and a third support assembly 12. The first support assembly 5 includes a sixth base 51, a second extension plate 52 is arranged on the sixth base 51, and a plurality of third pressing blocks 53 are arranged at the top of the second extension plate 52. The second support assembly 6 includes a seventh base 61, a third extension plate 62 is arranged on the seventh base 61, and a plurality of fourth pressing blocks 63 are arranged at the top of the third extension plate 62. The structure of the third support assembly 12 is the same as that of the second support assembly 6. The third pressing blocks 53 and the fourth pressing blocks 63 are used to support the bottom plate d in the longitudinal direction and play a role of limiting support for it. In this embodiment, the distribution direction of the plurality of third pressing blocks 53 is along the width direction of the workbench 1, and the distribution direction of the plurality of fourth pressing blocks 63 is along the length direction of the workbench 1.

[0050] In this embodiment, the support plate 141 is installed on the workbench 1, and the fourth base 411, the fifth base 421, the ninth base 811, the tenth base 821, the eleventh base 91 and the twelfth base 103 are all installed on the corresponding slide plate 147 by bolts. Among them, a transition frame 13 is installed under the sliding assembly 14 at the bottom of the second side clamp group 8, and the transition frame 13 supports the second side clamp group 8.

[0051] In this embodiment, the first cylinder 213, the third cylinder 73, the fourth cylinder 92, the fifth cylinder 102, the sixth cylinder 146 and the seventh cylinder 151 are all provided with a detection block 16, which is a cylinder sensor for detecting the position of the piston of the above cylinder. In this embodiment, the detection block 16 is used to determine whether the piston is in place, and then to determine whether the cylinder clamps the welded part. If the piston is not in place, it can be determined that the welded part is not clamped or a fault occurs. Before the fault is eliminated, the system will not instruct the welding robot to work. In this embodiment, the first detection member 222, the second detection member 412, the third detection member 825, the fourth detection member 96 and the fifth detection member 105 are all used to detect whether the welded part is clamped at the setting position. They are magnetic induction sensors. When set, the distance relative to the welded part is 5-10mm.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cab floor robot welding tool, characterized by: The invention comprises a workbench, a slidable front clamp assembly is arranged at the first end of the workbench, and also comprises a side clamp assembly slidably arranged on the workbench, and the side clamp assemblies are symmetrically distributed on two sides adjacent to the first end of the workbench; the sliding track of the front clamp assembly is perpendicular to the sliding track of the side clamp assembly; The lateral clamp assembly comprises a first lateral clamp group and a second lateral clamp group, wherein the first lateral clamp group is arranged close to the second end of the workbench, and the second lateral clamp group is arranged between the front clamp assembly and the first lateral clamp group; The middle part of the workbench is provided with a longitudinal pressure-bearing member and a positioning support member for positioning the skeleton beam, the second end of the workbench, the area between the first side clamp group and the second side clamp group are all provided with positive pressure components, and the clamping components are provided between the two symmetrically distributed second side clamp groups; The positive clamp assembly, the side clamp assembly and the positive pressure assembly are all configured to detect whether the welded part is clamped by detecting the presence or absence of the welded part; Both the front clamp assembly and the side clamp assembly are slidably connected to the workbench through a sliding assembly. The side clamp assembly is provided with a plurality of clamping components for fixing the welded parts. Each of the clamping components is provided with a detection block for detecting whether it presses the welded parts tightly. The first side fixture group includes a first fixture and a second fixture, the first fixture includes a fourth base, and the fourth base is provided with a second positioning pin and a second detection member for detecting the presence or absence of a welded part; The second fixture includes a fifth base, and a third positioning pin is arranged on the fifth base; The second side clamp assembly includes a lower clamping part and an upper clamping part, the lower clamping part includes a ninth base, the upper clamping part includes a tenth base, the tenth base is provided with a fourth positioning pin, a second extension frame and a third detection member for detecting the presence or absence of a welded part, and the second extension frame is provided with a plurality of fifth support blocks for limiting the welded part; The fourth base, the fifth base, the ninth base and the tenth base are all equipped with clamping components, wherein: The openings of the clamping components on the fourth base and the fifth base are downward, and the ninth base and the tenth base are provided with a plurality of clamping components in an upper and lower relative manner; The second positioning pin, the third positioning pin and the fourth positioning pin are all distributed close to the clamping ends of the clamping parts corresponding thereto; The clamping component comprises a seventh cylinder, the end of the piston rod of the seventh cylinder is hinged with a second pressing claw, the middle of the second pressing claw is hinged with a hinged connecting rod, the top of the second pressing claw is provided with a fifth pressing block, and the detection block is installed outside the cylinder body of the seventh cylinder; The articulated connecting rod is articulated to the fourth base, the fifth base, the ninth base and the tenth base corresponding to the clamping component, and the cylinder body of the seventh cylinder is articulated to the fourth base, the fifth base, the ninth base and the tenth base corresponding to the clamping component; The positive clamp assembly includes a frame plate, which is slidably connected to the workbench through a sliding assembly, and a third clamp, a fourth clamp and the frame plate are arranged on the frame plate, a plurality of fourth clamps are located in the middle of the frame plate, two third clamps are symmetrically distributed about the fourth clamp, and two frame plates are symmetrically distributed about the fourth clamp; The third clamp includes an eleventh base and a fourth cylinder, the end of the piston rod of the fourth cylinder is hinged with a second pressing arm, the fourth cylinder and the second pressing arm are both hinged with the eleventh base, the end of the second pressing arm is provided with a first pressing claw, the first pressing claw is provided with a plurality of sixth support blocks, the second pressing arm is provided with a first extension rod between the eleventh base and the first pressing claw, and a fifth positioning pin and a fourth detection member are provided between the first extension rod and the first pressing claw; The fourth clamp includes a twelfth base and a fifth cylinder, the end of the piston rod of the fifth cylinder is hinged with a third pressing arm, the third pressing arm and the fifth cylinder are both hinged to the twelfth base, and the end of the third pressing arm is provided with a sixth positioning pin, a fifth detection member and a second extension rod; The eleventh base and the twelfth base are both mounted on the frame plate; The positive pressure assembly includes a pressure-applying part and a pressure-bearing part that cooperate with each other, the pressure-applying part includes a first base, a first cylinder is hinged on the first base, a first pressure arm is hinged at the end of the piston rod of the first cylinder, the first pressure arm is hinged to the top of the first base, and a first pressure block is arranged at the end of the first pressure arm; The pressure-bearing part includes a second base and a first detection member, a second pressure block is arranged at the top of the second base, and the first detection member is arranged at a position of the second base close to the second pressure block; The first pressing block and the second pressing block cooperate with each other to clamp the welded parts; The positioning support member comprises a third base, a second cylinder is arranged on the third base, a first support block is arranged at the end of the piston rod of the second cylinder, and a first positioning pin is arranged on the first support block.

2. The cab floor robot welding tool according to claim 1, characterized in that: The clamp pressing assembly includes an eighth base, on which a fourth extension plate is arranged, on which a third cylinder and a clamp pressing head are hinged, the end of the piston rod of the third cylinder is hinged to the clamp pressing head, and a fourth support block is arranged at the end of the fourth extension plate.

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