CN220259988U - Welding positioning tool for frame assembly - Google Patents

Abstract

The utility model relates to the technical field of frame welding, and particularly discloses a frame assembly welding positioning tool which comprises a tool support, wherein support positioning systems and frame clamping systems are arranged on two sides of the tool support, each support positioning system comprises a first support positioning mechanism, a second support positioning mechanism, a third support positioning mechanism, a fourth support positioning mechanism, a fifth support positioning mechanism, a sixth support positioning mechanism and a seventh support positioning mechanism which are sequentially arranged, each frame clamping system comprises a frame pressing mechanism and a frame clamping mechanism, and connecting seats are arranged on two ends of each tool support. According to the utility model, the positioning of each connecting bracket is realized by arranging the combined clamp corresponding to the connecting brackets with different specifications, so that the welding of the connecting brackets is realized, the positioning is accurate, the clamping is reliable, the welding is stable, the welding precision of the connecting brackets is improved, the welding quality and the technical and technological size requirements are ensured, and convenience is provided for subsequent assembly.

Description

Welding positioning tool for frame assembly

Technical Field

The utility model relates to the technical field of welding of frames, in particular to a welding positioning tool for a frame assembly.

Background

The frame assembly is a frame structure bridged on front and rear axles of an automobile, is a carrier for assembling parts of various systems in a carrying platform of the automobile, generally consists of two longitudinal beams and a plurality of cross beams, is supported on wheels through a suspension device, a front axle and a rear axle, most parts of the automobile are fixed on the frame assembly through a vehicle body connecting bracket, the vehicle body connecting bracket is used as an important supporting part for installing and fixing various functional part assemblies such as a steering support and the like, the welding quality of the vehicle body connecting bracket directly influences the installation positioning precision of the various functional part assemblies, the reliability of the connection is high, the type of the vehicle body connecting bracket is large in structural difference, and most of special-shaped parts are required to be strictly clamped and welded during welding, the prior art adopts a simple welding fixture to position the vehicle body connecting bracket, and the welding fixture is matched or manually or semi-automatically welded, so that the positioning precision is poor, the welding quality of the vehicle frame assembly is influenced, the subsequent assembly is influenced, and the reworking quantity is large.

Therefore, it is necessary to provide a welding positioning tool for a frame assembly, so as to overcome the defects in the prior art.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a welding positioning tool for a frame assembly.

The technical scheme of the utility model is as follows:

the utility model provides a frame assembly welding position frock, including the frock support, frock support length direction's both sides all are provided with support positioning system and frame and press the system of pressing from both sides, support positioning system including setting gradually and with the corresponding first support positioning mechanism of automobile body linking bridge, second support positioning mechanism, third support positioning mechanism, fourth support positioning mechanism, fifth support positioning mechanism, sixth support positioning mechanism and seventh support positioning mechanism, frame press the system of pressing from both sides including frame hold-down mechanism and frame clamping mechanism, the both ends of frock support all are provided with the connecting seat.

Preferably, the first support positioning mechanism comprises a first positioning seat, a first lifting cylinder, a first lifting seat and a first compressing cylinder, wherein the first lifting cylinder is arranged on one side of the first positioning seat, the first lifting seat is movably arranged on the first positioning seat and connected with the extending end of the first lifting cylinder, a first positioning pin, a first positioning column and a first limiting column corresponding to the vehicle body connecting support are arranged on the first lifting seat, the first compressing cylinder is arranged at the top of the other side of the first positioning seat, the compressing end of the first compressing cylinder is provided with a first compressing piece, and the top end of the first positioning seat is provided with a first detection switch.

Preferably, the second support positioning mechanism comprises a second positioning seat, a second shifting cylinder and a second compressing cylinder, wherein the second shifting cylinder is arranged on the second positioning seat, the second compressing cylinder is arranged at the extending end of the second shifting cylinder, a second compressing piece is arranged at the extending end of the second compressing cylinder, a second supporting seat is further arranged at the extending end of the second shifting cylinder, and a second detection switch and a plurality of second positioning pins are arranged on the second supporting seat.

Preferably, the third support positioning mechanism comprises a third positioning seat, a third lifting cylinder, a third lifting seat and a third compressing cylinder, wherein the third lifting cylinder is connected to the third positioning seat through a third fixing plate, the third lifting seat is movably arranged on the third fixing plate, a third positioning pin and a third positioning block are arranged on the third lifting seat, the third compressing cylinder is arranged on the third positioning seat, a third compressing piece is arranged at the extending end of the third compressing cylinder, and a third detection switch is further arranged on the third lifting seat.

Preferably, the fourth support positioning mechanism is arranged in two, the two fourth support positioning mechanisms are arranged on the working support at intervals, the fourth support positioning mechanism comprises a fourth positioning seat, a fourth lifting cylinder, a fourth lifting seat and a fourth compressing cylinder, the fourth lifting cylinder is arranged on one side of the fourth positioning seat, the fourth lifting seat is movably arranged on the fourth positioning seat and is connected with the extending end of the fourth lifting cylinder, a fourth positioning pin and a fourth limiting column are arranged on the fourth lifting seat, the fourth compressing cylinder is arranged on the other side of the fourth positioning seat, a fourth compressing piece is arranged at the compressing end of the fourth compressing cylinder, and a fourth detecting switch is arranged on the top end of the fourth positioning seat.

Preferably, the fifth bracket positioning mechanism comprises a fifth positioning seat, a positioning clamping assembly and an auxiliary clamping assembly are arranged on the fifth positioning seat, the positioning clamping assembly comprises a fifth upright post, a fifth compression cylinder I, a fifth adjusting block II and a fifth adjusting block III are arranged on the fifth upright post, a fifth compression piece I is arranged at the compression end of the fifth compression cylinder I, a fifth detection switch is arranged on the fifth adjusting block III, the auxiliary clamping assembly comprises a fifth compression cylinder II and an auxiliary positioning block, and a fifth compression piece II is arranged at the compression end of the fifth compression cylinder II.

Preferably, the sixth support positioning mechanism comprises a sixth positioning seat, a sixth shifting cylinder is arranged in the sixth positioning seat, a sixth upright post is movably arranged at the top of the sixth positioning seat and connected with the extending end of the sixth shifting cylinder, a sixth lifting cylinder and a limiting block are arranged on the sixth upright post, a sixth supporting block and a sixth positioning pin I are arranged at the extending end of the sixth lifting cylinder, and a sixth positioning pin II and a sixth detection switch are arranged on the limiting block.

Preferably, the seventh support positioning mechanism comprises a seventh positioning seat, a seventh shifting cylinder and a seventh upright post are arranged on the seventh positioning seat, the seventh upright post is connected with the extending end of the seventh shifting cylinder, a seventh lifting cylinder and a seventh compressing cylinder are arranged on the seventh upright post, a seventh positioning pin, a seventh supporting block and a seventh detecting switch are arranged at the extending end of the seventh lifting cylinder, and a seventh compressing piece is arranged at the compressing end of the seventh compressing cylinder.

Preferably, the tooling support is further provided with a plurality of frame pin positioning mechanisms, each frame pin positioning mechanism comprises a frame positioning pin, a pin lifting cylinder and a pin cylinder support, each pin lifting cylinder is arranged on each pin cylinder support, and the frame positioning pins are arranged at the extending ends of the pin lifting cylinders.

Preferably, the frame hold-down mechanism and the frame clamping mechanism all are provided with a plurality of, the frame hold-down mechanism is including compressing tightly the base, compress tightly the stand, compress tightly jar and compress tightly the arm, compress tightly the stand setting and compress tightly the top of base, the stiff end of compressing tightly the jar articulates on compressing tightly the stand, the end that stretches out of compressing tightly the jar is connected with the one end of compressing tightly the arm through articulated connecting rod each other, the arm that compresses tightly articulates the top of compressing tightly the stand, the frame clamping mechanism is including pressing from both sides tight base and frame clamping cylinder, frame clamping cylinder sets up at the top of pressing from both sides tight base, be provided with the clamp block on the clamping jaw of frame clamping cylinder, frame clamping cylinder top just is located and is provided with the frame locating piece corresponding with the frame between two clamp blocks.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the positioning of each connecting bracket is realized by arranging the combined clamp corresponding to the connecting brackets with different specifications, so that the welding of the connecting brackets is realized, the positioning is accurate, the clamping is reliable, the welding is stable, the welding precision of the connecting brackets is improved, the welding quality and the technical and technological size requirements are ensured, and convenience is provided for subsequent assembly.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of a first bracket positioning mechanism according to the present utility model;

FIG. 3 is a schematic view of a second bracket positioning mechanism according to the present utility model;

FIG. 4 is a schematic structural view of a third bracket positioning mechanism according to the present utility model;

FIG. 5 is a schematic view of a fourth bracket positioning mechanism according to the present utility model;

FIG. 6 is a schematic view of a fifth bracket positioning mechanism according to the present utility model;

FIG. 7 is a schematic view of a sixth bracket positioning mechanism according to the present utility model;

FIG. 8 is a schematic structural view of a seventh bracket positioning mechanism according to the present utility model;

FIG. 9 is a schematic view of a frame pin positioning mechanism according to the present utility model;

FIG. 10 is a schematic view of a frame compression mechanism according to the present utility model;

FIG. 11 is a schematic view of a frame clamping mechanism according to the present utility model;

fig. 12 is a schematic structural view of the frame assembly.

1, a first bracket positioning mechanism; 11. a first positioning seat; 12. a first lifting cylinder; 13. a first lifting seat; 14. a first compaction cylinder; 15. a first positioning pin; 16. a first positioning column; 17. a first limit post; 18. a first pressing member; 19. a first detection switch; 2. a second bracket positioning mechanism; 21. a second positioning seat; 22. a second shift cylinder; 23. a second compaction cylinder; 24. a second pressing member; 25. a second support base; 26. a second detection switch; 27. a second positioning pin; 3. a third bracket positioning mechanism; 31. a third positioning seat; 32. a third lifting cylinder; 33. a third lifting seat; 34. a third compaction cylinder; 35. a third fixing plate; 36. a third locating pin; 37. a third positioning block; 38. a third pressing member; 39. a third detection switch; 4. a fourth bracket positioning mechanism; 41. a fourth positioning seat; 42. a fourth lifting cylinder; 43. a fourth lifting seat; 44. a fourth compression cylinder; 45. a fourth locating pin; 46. a fourth limit column; 47. a fourth pressing member; 48. a fourth detection switch; 5. a fifth bracket positioning mechanism; 50. a fifth positioning seat; 51. a fifth upright; 52. a fifth compression cylinder I; 53. fifth adjusting block I; 54. fifth adjusting block II; 55. fifth adjusting block III; 56. a fifth pressing piece I; 57. a fifth detection switch; 58. a fifth compression cylinder II; 59. an auxiliary positioning block; 510. a fifth pressing piece II; 6. a sixth bracket positioning mechanism; 61. a sixth positioning seat; 62. a sixth shift cylinder; 63. a sixth upright; 64. a sixth lifting cylinder; 65. a limiting block; 66. a sixth support block; 67. a sixth positioning pin I; 68. a sixth positioning pin II; 69. a sixth detection switch; 7. a seventh bracket positioning mechanism; 71. a seventh positioning seat; 72. a seventh shift cylinder; 73. a seventh upright; 74. a seventh lifting cylinder; 75. a seventh locating pin; 76. a seventh support block; 77. a seventh detection switch; 78. a seventh pressing member; 79. a seventh pressing cylinder; 8. a frame pin positioning mechanism; 81. a frame locating pin; 82. a pin lifting cylinder; 83. a pin cylinder bracket; 9. a frame compressing mechanism; 91. compressing the base; 92. compacting the upright post; 93. a pressing cylinder; 94. a hold-down arm; 10. a frame clamping mechanism; 101. clamping a base; 102. a frame clamping cylinder; 103. a clamping block; 104. a frame positioning block; 111. a tool support; 112. a connecting seat; 113. a frame assembly; 1131. a first connecting bracket; 1132. a second connecting bracket; 1133. a third connecting bracket; 1134. a connecting bracket IV; 1135. a fifth connecting bracket; 1136. a connecting bracket six; 1137. and a connecting bracket seven.

Detailed Description

In order to make the technical means, technical features, objects and technical effects of the present utility model easy to understand, the present utility model will be further described with reference to the specific drawings.

As shown in fig. 12, the first connecting bracket 1131, the second connecting bracket 1132, the third connecting bracket 1133, the fourth connecting bracket 1134, the fifth connecting bracket 1135, the sixth connecting bracket 1136 and the seventh connecting bracket 1137 are sequentially connected to the two longitudinal beams of the frame assembly 113 along the length direction, the appearance of each connecting bracket is large in difference, the installation positions and the connection angles on the longitudinal beams are different, the connection mode of the connecting bracket and the frame assembly 113 adopts a welding mode, and the connection strength is high.

As shown in fig. 1-11, a welding positioning tool for a frame assembly 113 comprises a tool support 111, wherein the tool support 111 is formed by welding profiles, the structural strength is high, connecting seats 112 are connected to two ends or welding or bolting of the tool support 111, the connecting seats 112 are connected with a positioner, the welding convenience and automation level are improved, a support positioning system and a frame clamping system are respectively arranged on two sides of the length direction of the tool support 111, the support positioning system corresponds to each connecting support and is used for positioning and clamping each connecting support, a welding manipulator is convenient to weld each connecting support on the frame assembly 113, the support positioning system comprises a first support positioning mechanism 1, a second support positioning mechanism 2, a third support positioning mechanism 3, a fourth support positioning mechanism 4, a fifth support positioning mechanism 5, a sixth support positioning mechanism 6 and a seventh support positioning mechanism 7, the frame clamping system is used for pressing and clamping the frame assembly 113, the stability of the position of the frame assembly 113 is ensured, the welding position accuracy of each connecting support is improved, the frame clamping system comprises a frame pressing mechanism 9 and a frame clamping mechanism 10, the frame assembly is ensured not to change in the welding position in the front direction when the frame assembly is ensured to be welded, and the frame assembly is ensured not to change in the front direction when the frame assembly is ensured to be welded.

As shown in fig. 2, the first bracket positioning mechanism 1 corresponds to the first connecting bracket 1131, the first bracket positioning mechanism 1 comprises a first positioning seat 11, a first lifting cylinder 12, a first lifting seat 13 and a first compressing cylinder 14, the first positioning seat 11 is in threaded connection with the tool bracket 111, the first lifting cylinder 12 is installed on one side of the first positioning seat 11, a linear guide rail is installed on the first positioning seat 11, the first lifting seat 13 is connected to a sliding block of the linear guide rail and is connected with the extending end of the first lifting cylinder 12, the first lifting cylinder 12 drives the first lifting seat 13 to move along the linear guide rail relative to the first positioning seat 11, a first positioning pin 15, a first positioning column 16 and a first limiting column 17 are installed on the first lifting seat 13, the first positioning pin 15 can be inserted into a positioning hole on the first connecting bracket 1131 in a combined manner of round pin and diamond pin, realizing the positioning of the first connecting bracket 1131, the first positioning columns 16 are used for supporting on the plane of the first connecting bracket 1131, the number of the first limiting columns 17 is a plurality of, the plurality of first limiting columns 17 are used for limiting the appearance of the first connecting bracket 1131, positioning the appearance of the first connecting bracket 1131, the first compressing cylinder 14 is arranged at the top of the other side of the first positioning seat 11, the compressing end of the first compressing cylinder 14 is provided with the first compressing element 18, after the positioning of the first connecting bracket 1131 is finished, the first compressing cylinder 14 drives the first compressing element 18 to compress the first connecting bracket 1131, the compression is reliable, the position change during welding is prevented, the first compressing element 18 can perform profiling according to the appearance size of the first connecting bracket 1131, the first compressing element can be fully contacted with the first connecting bracket 1131 during the compression, the compression is ensured, the first detecting switch 19 is arranged at the top end of the first positioning seat 11, for detecting whether the first connection bracket 1131 is put in place, if not, the corresponding action cannot be performed.

As shown in fig. 3, the second bracket positioning mechanism 2 corresponds to the second connection bracket 1132, the second bracket positioning mechanism 2 includes a second positioning seat 21, a second shifting cylinder 22 and a second pressing cylinder 23, the second positioning seat 21 is in threaded connection with the tool bracket 111, the second shifting cylinder 22 is connected to the top end of the second positioning seat 21 through the cylinder seat, the second pressing cylinder 23 is connected to the extending end of the second shifting cylinder 22, the extending end of the second pressing cylinder 23 is connected with a second pressing member 24, the extending end of the second shifting cylinder 22 is also connected with a second supporting seat 25, the second supporting seat 25 is provided with a second detection switch 26 and a plurality of second positioning pins 27, the second connection bracket 1132 is manually placed on the second supporting seat 25 and supported by a plane, the plurality of second positioning pins 27 are correspondingly inserted into positioning holes of the second connection bracket 1132, the second detection switch 26 detects that the second connection bracket 1132 is placed in place, the second pressing cylinder 23 acts, the second pressing member 24 is driven to press the second connection bracket 1132, the second shifting cylinder 22 is driven to move the second frame 1132, and the second frame 1132 is driven to move towards the welding assembly to the position by the welding frame assembly, and the frame assembly is welded to the frame 113.

As shown in fig. 4, the third support positioning mechanism 3 corresponds to the third connecting support 1133, the third support positioning mechanism 3 comprises a third positioning seat 31, a third lifting cylinder 32, a third lifting seat 33 and a third compressing cylinder 34, the third positioning seat 31 is in threaded connection with the tool support 111, the third lifting cylinder 32 is connected with the third positioning seat 31 through a third fixing plate 35, a linear guide rail is installed on the third fixing plate 35, the third lifting seat 33 is connected with the linear guide rail and is connected with the extending end of the third lifting cylinder 32, the third lifting cylinder 32 drives the third lifting seat 33 to move on the linear guide rail, a third positioning pin 36 and a third positioning block 37 are installed on the third lifting seat 33 and used for supporting and positioning the third connecting support 1133, the third compressing cylinder 34 is installed on the third positioning seat 31, the extending end of the third compressing cylinder 34 is installed with a third compressing piece 38, a third detecting switch 39 is also installed on the third lifting seat 33 and used for detecting whether the connecting support 1133 is placed on the linear guide rail, the third lifting seat 1133 is placed on the connecting support 1133, the third pressing piece 1133 is placed on the third lifting seat 1133, the third pressing piece is welded, and the third pressing assembly is welded and the third lifting seat 1133 is connected with the third pressing cylinder 33, and the third pressing assembly is welded, and the third pressing assembly is connected to the third positioning seat 1133 is positioned by the third lifting seat 1133, and the third pressing assembly is welded, and the third pressing assembly is positioned by the third pressing seat 33, and the third pressing assembly is positioned.

As shown in fig. 5, the fourth bracket positioning mechanism 4 corresponds to the fourth 1134 connecting bracket, the number of the fourth bracket positioning mechanisms 4 on the same side is two, the two fourth bracket positioning mechanisms 4 are installed on the working bracket at intervals, the fourth bracket positioning mechanism 4 comprises a fourth positioning seat 41, a fourth lifting cylinder 42, a fourth lifting seat 43 and a fourth compressing cylinder 44, the fourth positioning seat 41 is in threaded connection on the tool bracket 111, the fourth lifting cylinder 42 is installed on one side of the fourth positioning seat 41, a linear guide rail is installed on the fourth positioning seat 41, the fourth lifting seat 43 is connected on the linear guide rail and connected with the extending end of the fourth lifting cylinder 42, the fourth lifting seat 43 is driven by the fourth lifting cylinder 42 to move along the linear guide rail, a fourth positioning pin 45 and a fourth limiting column 46 are installed on the fourth lifting seat 43, the fourth positioning pin 45 is matched with a positioning hole on the fourth 1134 connecting bracket, the four 1134 connecting brackets are positioned, the number of the four limit posts 46 is two, the two four limit posts 46 are used for limiting the appearance of the four 1134 connecting brackets, the fourth compressing air cylinder 44 is arranged on the other side of the fourth positioning seat 41, the compressing end of the fourth compressing air cylinder 44 is connected with a fourth compressing piece 47, the structural shape of the fourth compressing piece 47 and the appearance of the four 1134 connecting brackets are profiled to ensure the compressing stability, the top end of the fourth positioning seat 41 is provided with a fourth detecting switch 48 for detecting whether the four 1134 connecting brackets are placed in place, the four 1134 connecting brackets are manually placed between the two four limit posts 46 and accurately positioned through the fourth positioning pin 45, the fourth detecting switch 48 detects that a piece is arranged, the fourth compressing air cylinder 44 drives the fourth compressing piece 47 to compress the four 1134 connecting brackets, the fourth lifting air cylinder 42 acts, the fourth positioning seat 41 is driven to move towards the frame assembly 113, the fourth positioning seat 1134 moves to the right position, the welding of the fourth positioning seat 1134 is completed by the welding manipulator, and according to different welding positions of the fourth positioning seat 1134, the height of the fourth positioning seat 41 can be processed into different sizes so as to meet the welding requirement of the fourth positioning seat 1134.

As shown in fig. 6, the fifth bracket positioning mechanism 5 corresponds to the connecting bracket five 1135, the fifth bracket positioning mechanism 5 comprises a fifth positioning seat 50, the fifth positioning seat 50 is in threaded connection with the tool bracket 111, a positioning clamping component and an auxiliary clamping component are installed on the fifth positioning seat 50, the positioning clamping component is used for positioning and compressing the connecting bracket five 1135, the auxiliary clamping component is used for clamping the frame assembly 113, the positioning clamping component comprises a fifth upright post 51, the fifth upright post 51 is connected with the fifth positioning seat 50, a fifth compressing cylinder one 52, a fifth adjusting block one 53, a fifth adjusting block two 54 and a fifth adjusting block three 55 are installed on the fifth upright post 51, the installation positions of the fifth adjusting block one 53, the fifth adjusting block two 54 and the fifth adjusting block three 55 are determined and manufactured according to the connecting bracket five 1135, the compressing end of the fifth compressing cylinder one 52 is connected with a fifth compressing element one 56, a fifth detecting switch 57 is installed on the fifth adjusting block three 55, the auxiliary clamping component comprises a fifth compressing cylinder two 58 and an auxiliary compressing block 59, the fifth compressing cylinder two 58 and the fifth compressing element 58 are connected with the fifth compressing bracket 5, the fifth compressing element one 1135 is welded and the fifth compressing element 5 is driven by the fifth adjusting block two, and the fifth adjusting block three 55 is welded to the fifth adjusting block 5, and the fifth compressing element 5 is welded to the fifth adjusting block 5, and the fifth compressing element is welded to the fifth adjusting block 5, and the fifth clamping assembly is welded to the fifth compressing element 5, and the fifth clamping 5 is welded to the fifth adjusting block 5, and the fifth clamping element 5 is welded to the fifth adjusting block 5, and the fifth clamping bracket 55 and the fifth clamping assembly is welded to the fifth adjusting block 5.

As shown in fig. 7, the sixth support positioning mechanism 6 corresponds to the connecting support six 1136, the sixth support positioning mechanism 6 includes a sixth positioning seat 61, a sixth displacement cylinder 62 is installed inside the sixth positioning seat 61, a linear guide rail is installed at the top of the sixth positioning seat 61, a sixth upright post 63 is connected to the linear guide rail, the sixth upright post 63 is connected to the extending end of the sixth displacement cylinder 62, the sixth upright post 63 is driven by the sixth displacement cylinder 62 to move along the linear guide rail, a sixth lifting cylinder 64 and a limiting block 65 are installed on the sixth upright post 63, a sixth supporting block 66 and a first positioning pin 67 are installed at the extending end of the sixth lifting cylinder 64, a second positioning pin 68 and a sixth detection switch 69 are installed on the limiting block 65, the connecting support six 1136 is manually taken, the second positioning pin 68 is inserted into a side positioning hole of the connecting support six 1136, the sixth detection switch 69 is triggered, the sixth lifting cylinder 64 is started to drive the sixth supporting block 66 and the first positioning pin 67 to lift up by the limiting block 65, the distance of the connecting support six 1136 is limited by the limiting block 65, the sixth lifting cylinder 1136 is lifted up to the connecting support 6, the connecting support 6 is welded to the horizontal plane, and the connecting support 6 is welded to the connecting support 6 is positioned by the connecting support 6.

As shown in fig. 8, the seventh support positioning mechanism 7 corresponds to the seventh connecting support 1137, the seventh support positioning mechanism 7 includes a seventh positioning seat 71, the seventh positioning seat 71 is in threaded connection with the tool support 111, the seventh shifting cylinder 72 is installed at the top end of the seventh positioning seat 71, a linear guide rail is installed on the seventh positioning seat 71, the seventh upright post 73 is connected to the linear guide rail and is connected with the extending end of the seventh shifting cylinder 72, the seventh lifting cylinder 74 and the seventh pressing cylinder 79 are installed on the seventh upright post 73, the extending end of the seventh lifting cylinder 74 is connected with the seventh positioning pin 75, the seventh supporting block 76 and the seventh detecting switch 77, the pressing end of the seventh pressing cylinder 79 is connected with the seventh pressing member 78, the seventh positioning pin 75 is inserted into a positioning hole on the connecting support 1137, the seventh connecting support 1137 is placed in the position, the seventh detecting switch 77 is triggered, the seventh lifting cylinder 74 is started, the seventh lifting support 1137 is lifted, the seventh pressing member 1137 is driven to move the seventh pressing member 1137 to the connecting support 78 to the seventh supporting frame through the welding, and the seventh pressing cylinder 79 is driven to press the seventh pressing member 79 to the connecting support 72 through the welding, and the welding of the connecting support frame 113 is completed.

As shown in fig. 1 and 9, a plurality of frame pin positioning mechanisms 8 are further installed on the tool support 111 and used for positioning the positions of the frame assemblies 113, so that the accuracy of welding positions of all connecting supports is guaranteed, each frame pin positioning mechanism 8 comprises a frame positioning pin 81, a pin lifting cylinder 82 and a pin cylinder support 83, the pin lifting cylinder 82 is installed on the pin cylinder support 83, the frame positioning pin 81 is connected to the extending end of the pin lifting cylinder 82, the pin lifting cylinder 82 drives the frame positioning pin 81 to extend out of a positioning hole inserted into the frame assembly 113, positioning of the frame assembly 113 is completed, the accuracy of the installation positions of the frame assembly 113 on the tool support 111 is guaranteed, the pin cylinder support 83 can be processed into different heights according to different positions of pin holes on the frame, and a guide sleeve coaxial with the frame positioning pin 81 can be installed on the pin cylinder support 83 to guide the extension of the frame positioning pin 81.

As shown in fig. 10 and 11, the number of the frame pressing mechanism 9 and the number of the frame clamping mechanisms 10 are multiple, the frame pressing mechanism 9 can press and clamp multiple positions of the frame assembly 113, the frame pressing mechanism 9 comprises a pressing base 91, a pressing upright post 92, a pressing cylinder 93 and a pressing arm 94, the pressing upright post 92 is arranged at the top end of the pressing base 91, the fixed end of the pressing cylinder 93 is hinged to the pressing upright post 92, the extending end of the pressing cylinder 93 is connected with one end of the pressing arm 94 through a connecting rod hinged to each other, the pressing arm 94 is hinged to the top end of the pressing upright post 92, the pressing cylinder 93 acts, the pressing arm 94 is driven to overturn through the connecting rod hinged to each other, the pressing or loosening of the upper surface of the frame assembly 113 is realized, a pin shaft is adopted in the hinging mode, a gap exists between the diameter of the pin shaft and the aperture of a hinging point, and the pressing arm 94 cannot overturn caused by tight fit is avoided;

the frame clamping mechanism 10 comprises a clamping base 101 and a frame clamping cylinder 102, the frame clamping cylinder 102 is arranged at the top of the clamping base 101, clamping blocks 103 are connected to clamping jaws of the frame clamping cylinder 102, the frame clamping cylinder 102 drives the clamping blocks 103 to clamp a longitudinal beam of a frame assembly 113, the position of the frame assembly 113 is fixed, the position change of the frame assembly 113 during welding is avoided, the welding precision is guaranteed, a frame positioning block 104 is arranged at the top of the frame clamping cylinder 102 and between the two clamping blocks 103, the frame positioning block 104 corresponds to the frame assembly 113, and when the frame assembly 113 is clamped, the frame assembly 113 is supported in an auxiliary mode through the frame positioning block 104.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are intended to fall within the scope of the present utility model.

Claims (10)

1. A frame assembly welding positioning tool is characterized in that: including frock support (111), frock support (111) length direction's both sides all are provided with support positioning system and frame and press the system, support positioning system including set gradually and with corresponding first support positioning mechanism (1) of automobile body linking bridge, second support positioning mechanism (2), third support positioning mechanism (3), fourth support positioning mechanism (4), fifth support positioning mechanism (5), sixth support positioning mechanism (6) and seventh support positioning mechanism (7), the frame presses and presss from both sides the system and press from both sides mechanism (10) including frame hold-down mechanism (9) and frame, the both ends of frock support (111) all are provided with connecting seat (112).

2. The frame assembly welding positioning tool of claim 1, wherein: the first support positioning mechanism (1) comprises a first positioning seat (11), a first lifting cylinder (12), a first lifting seat (13) and a first pressing cylinder (14), wherein the first lifting cylinder (12) is arranged on one side of the first positioning seat (11), the first lifting seat (13) is movably arranged on the first positioning seat (11) and is connected with the extending end of the first lifting cylinder (12), a first positioning pin (15), a first positioning column (16) and a first limiting column (17) are arranged on the first lifting seat (13), the first pressing cylinder (14) is arranged at the top of the other side of the first positioning seat (11), a first pressing piece (18) is arranged at the pressing end of the first pressing cylinder (14), and a first detection switch (19) is arranged at the top end of the first positioning seat (11).

3. The frame assembly welding positioning tool of claim 1, wherein: the second support positioning mechanism (2) comprises a second positioning seat (21), a second shifting cylinder (22) and a second compressing cylinder (23), wherein the second shifting cylinder (22) is arranged on the second positioning seat (21), the second compressing cylinder (23) is arranged at the extending end of the second shifting cylinder (22), a second compressing piece (24) is arranged at the extending end of the second compressing cylinder (23), a second supporting seat (25) is further arranged at the extending end of the second shifting cylinder (22), and a second detection switch (26) and a plurality of second positioning pins (27) are arranged on the second supporting seat (25).

4. The frame assembly welding positioning tool of claim 1, wherein: the third support positioning mechanism (3) comprises a third positioning seat (31), a third lifting cylinder (32), a third lifting seat (33) and a third pressing cylinder (34), wherein the third lifting cylinder (32) is connected to the third positioning seat (31) through a third fixing plate (35), the third lifting seat (33) is movably arranged on the third fixing plate (35), a third positioning pin (36) and a third positioning block (37) are arranged on the third lifting seat (33), the third pressing cylinder (34) is arranged on the third positioning seat (31), a third pressing piece (38) is arranged at the extending end of the third pressing cylinder (34), and a third detection switch (39) is further arranged on the third lifting seat (33).

5. The frame assembly welding positioning tool of claim 1, wherein: fourth support positioning mechanism (4) set up to two, and two fourth support positioning mechanism (4) interval sets up on the work support, fourth support positioning mechanism (4) include fourth positioning seat (41), fourth lift cylinder (42), fourth lift seat (43) and fourth compress tightly cylinder (44), fourth lift cylinder (42) set up fourth positioning seat (41) one side, fourth lift seat (43) movable set up on fourth positioning seat (41), and be connected with the end that stretches out of fourth lift cylinder (42), be provided with fourth locating pin (45) and fourth spacing post (46) on fourth lift seat (43), fourth compress tightly cylinder (44) set up the opposite side at fourth positioning seat (41), and the compress tightly the end of fourth pressure cylinder (44) and be provided with fourth clamp (47), fourth positioning seat (41) top is provided with fourth detection switch (48).

6. The frame assembly welding positioning tool of claim 1, wherein: the fifth support positioning mechanism (5) comprises a fifth positioning seat (50), a positioning clamping assembly and an auxiliary clamping assembly are arranged on the fifth positioning seat (50), the positioning clamping assembly comprises a fifth upright (51), a fifth pressing cylinder I (52), a fifth adjusting block I (53), a fifth adjusting block II (54) and a fifth adjusting block III (55) are arranged on the fifth upright (51), a fifth pressing part I (56) is arranged at the pressing end of the fifth pressing cylinder I (52), a fifth detection switch (57) is arranged on the fifth adjusting block III (55), the auxiliary clamping assembly comprises a fifth pressing cylinder II (58) and an auxiliary positioning block 59, and a fifth pressing part II (510) is arranged at the pressing end of the fifth pressing cylinder II (58).

7. The frame assembly welding positioning tool of claim 1, wherein: sixth support positioning mechanism (6) are including sixth positioning seat (61), be provided with sixth location seat (61) in, sixth positioning seat (61) top removes to be provided with sixth stand (63), sixth stand (63) with the end of stretching out of sixth location cylinder (62) is connected, is provided with sixth lift cylinder (64) and stopper (65) on sixth stand (63), the end of stretching out of sixth lift cylinder (64) is provided with sixth supporting shoe (66) and sixth locating pin (67), be provided with sixth locating pin two (68) and sixth detection switch (69) on stopper (65).

8. The frame assembly welding positioning tool of claim 1, wherein: the seventh support positioning mechanism (7) comprises a seventh positioning seat (71), a seventh shifting cylinder (72) and a seventh upright post (73) are arranged on the seventh positioning seat (71), the seventh upright post (73) is connected with the extending end of the seventh shifting cylinder (72), a seventh lifting cylinder (74) and a seventh compressing cylinder (79) are arranged on the seventh upright post (73), a seventh positioning pin (75), a seventh supporting block (76) and a seventh detecting switch (77) are arranged at the extending end of the seventh lifting cylinder (74), and a seventh compressing piece (78) is arranged at the compressing end of the seventh compressing cylinder (79).

9. The frame assembly welding positioning tool of claim 1, wherein: still be provided with a plurality of frame pin positioning mechanism (8) on frock support (111), frame pin positioning mechanism (8) are including frame locating pin (81), round pin lift cylinder (82) and round pin cylinder support (83), round pin lift cylinder (82) set up on round pin cylinder support (83), frame locating pin (81) set up the end that stretches out at round pin lift cylinder (82).

10. The frame assembly welding positioning tool of claim 1, wherein: frame hold-down mechanism (9) and frame clamping mechanism (10) all are provided with a plurality ofly, and frame hold-down mechanism (9) are including compressing tightly base (91), compressing tightly stand (92), compressing tightly jar (93) and compressing tightly arm (94), compressing tightly stand (92) set up compressing tightly the top of base (91), compressing tightly the stiff end of jar (93) and articulating on compressing tightly stand (92), compressing tightly the extension end of jar (93) through articulated connecting rod each other with compressing tightly one end of arm (94) is connected, compressing tightly arm (94) and articulating in compressing tightly the top of stand (92), frame clamping mechanism (10) are including pressing tightly base (101) and frame clamp cylinder (102), frame clamp cylinder (102) set up the top of pressing tightly base (101), be provided with on the clamping jaw of frame clamp cylinder (102) clamp block (103) top just be located two frame locating piece (104) corresponding with the frame are provided with between clamp block (103).