Multiple vehicle types carriage head switching device

Abstract

The present invention relates to a multi-model car head switching device, including: a frame; a switching mechanism for a long and short car type; a switching mechanism for a wide and narrow car type; a front panel positioning gripper; a rear panel positioning gripper; a side panel positioning gripper and other components, utilizing the switching mechanism for a long and short car type and the switching mechanism for a wide and narrow car type, and performing positioning switching for the front panel positioning gripper, the rear panel positioning gripper and the side panel positioning grippers on both sides according to the position of the car head of different car types, thereby meeting the positioning requirements of the car heads of different car types. The purpose of the present invention is to provide a multi-model car head switching device, which can adapt to the sizes of car heads of multiple car types by adjusting the length and width of the multi-model car head switching device, and at the same time using a positioning device to switch the clamp device for different car heads of multiple car types, thereby adapting to the sizes of car heads of multiple car types.

Description

Technical Field

[0001] The embodiment of the present invention relates to a carriage head switching device, and in particular to a carriage head switching device for multiple vehicle types. Background Art

[0002] The existing auto parts have different shapes, especially in the production line of the carriage head, the shape deviation of the carriage head between different models is large, so the welding fixtures are basically dedicated. Usually, one production line is required to build a car, and one production line needs to occupy a large space. If multiple production lines are opened to meet different models at the same time, it will cause a waste of space, a waste of resources and an increase in labor. Therefore, when it is necessary to manufacture cars of different shapes at the same time, this switching system can be used very well, and it can meet the use of carriage heads of different lengths, widths, heights and heights at the same time. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-model car head switching device, which can adapt to the sizes of multi-model car heads by adjusting the length and width of the multi-model car head switching device, and at the same time use a positioning device to switch the clamp device for different multi-model car heads; thereby adapting to the sizes of various multi-model car heads.

[0004] In order to achieve the above-mentioned purpose, the embodiment of the present invention designs a multi-vehicle carriage head switching device, which is characterized by comprising:

[0005] A frame, the frame comprising a column for supporting the multi-vehicle carriage head switching device;

[0006] The switching mechanism for long and short vehicle types is arranged below the pillar and is used to adjust the distance between the front and rear clamp devices of the multi-vehicle vehicle head switching device;

[0007] The switching mechanism for wide and narrow vehicle types is arranged above the pillar and is used to adjust the distance between the left and right clamp devices of the multi-vehicle vehicle head switching device;

[0008] A front cirque positioning gripper, the front cirque positioning gripper is arranged on the switching mechanism of the long and short vehicle models to adjust the front and rear positions, and the front cirque positioning gripper is arranged on the switching mechanism of the wide and narrow vehicle models to adjust the left and right positions;

[0009] A rear enclosure positioning gripper, the rear enclosure positioning gripper is arranged on the switching mechanism of the long and short vehicle models to adjust the front and rear positions, and the rear enclosure positioning gripper is arranged on the switching mechanism of the wide and narrow vehicle models to adjust the left and right positions;

[0010] The side panel positioning grippers are arranged on both sides of the multi-vehicle vehicle head switching device and are arranged on the switching mechanism of the long and short vehicle models to adjust the front and rear positions. The side panel positioning grippers are arranged on the switching mechanism of the wide and narrow vehicle models to adjust the left and right positions.

[0011] Wherein, the switching mechanism of the long and short vehicle types further comprises:

[0012] A plurality of switching devices for long and short vehicle types, the switching devices for long and short vehicle types are arranged side by side and fixed on the pillars; they are arranged opposite to each other on the pillars; they are used to locate and fix the lower end of the side wall positioning gripper; any switching device also includes:

[0013] A first connecting block is fixed on a transverse column arranged on the upright column;

[0014] A first positioning block is fixed above the first connecting block; an arrow-shaped second positioning block is arranged at the bottom of the side panel positioning gripper and precisely matches the first positioning block;

[0015] A first block is arranged on one side of the first positioning block and is used to cooperate with a second positioning block arranged at the bottom of the side wall positioning gripper;

[0016] A curved connection block is arranged on one side of the first block and fixed to the first block, and the curved connection block is fixedly connected to the top of the cylinder clamping mechanism;

[0017] The first support is L-shaped and fixes the switching device for the long and short vehicle models on the column.

[0018] Wherein, the switching mechanism for wide and narrow vehicle types further comprises:

[0019] The first wide and narrow vehicle type switching device is arranged above the column of the multi-vehicle vehicle head switching device and above the long and short vehicle type switching mechanism;

[0020] The second wide and narrow vehicle type switching device is arranged on the pillar in front of the other side of the multi-vehicle vehicle head switching device; arranged below the first wide and narrow vehicle type switching device and fixed to the first wide and narrow vehicle type switching device; arranged above the long and short vehicle type switching mechanism;

[0021] The switching device for the third wide and narrow vehicle type is arranged on the pillar behind the other side of the multi-vehicle vehicle head switching device; it is arranged opposite to the switching device for the first wide and narrow vehicle type; and is connected and fixed to the switching device for the first wide and narrow vehicle type through a connecting plate; and it is arranged above the switching mechanism for the long and short vehicle types.

[0022] Wherein, the first wide and narrow vehicle type switching device further comprises:

[0023] A switching module for the first wide and narrow vehicle type, wherein a plurality of switching modules for the first wide and narrow vehicle type are fixed on the sliding plate up and down and front and back; a cylinder rod of the first cylinder is connected to one end of the sliding plate through a cylinder connector, and a cylinder body of the first cylinder is fixed to a bottom plate arranged on a column; a slide rail is arranged below the sliding plate; the slide rail is fixed on the bottom plate to form a sliding structure of the switching module for the first wide and narrow vehicle type; a switching module for the first wide and narrow vehicle type is also arranged on the side of the column below the bottom plate, in a vertical structure with the sliding plate; a switching module for the first wide and narrow vehicle type is also arranged on the opposite side of the column, in a parallel structure with the sliding plate; wherein the switching module for the first wide and narrow vehicle type further comprises:

[0024] An L-shaped adjustment block, wherein a plurality of mounting grooves are arranged on one side of the L-shaped adjustment block; and the other side of the L-shaped adjustment block is fixed to a first positioning pin;

[0025] A second block, the second block is arranged on one side of the first positioning pin; a positioning square groove is arranged above the second block; the other end of the second block is fixed to the cylinder clamping mechanism;

[0026] The second support is L-shaped, one end of the second support is fixed to the cylinder clamping mechanism, and the other end of the second support is fixed to the column.

[0027] Wherein, the second wide and narrow vehicle type switching device further comprises:

[0028] The switching module of the second wide-narrow vehicle type is fixed to the column below the switching device of the first wide-narrow vehicle type through one end of the third support;

[0029] The switching module of the third wide and narrow vehicle model is fixed to the switching module of the second wide and narrow vehicle model through a U-shaped bend fixed on the column; the switching module of the second wide and narrow vehicle model is fixed on one side of the U-shaped bend; the switching module of the third wide and narrow vehicle model is fixed on the other side of the U-shaped bend; wherein:

[0030] The switching module for the second wide and narrow vehicle type also includes:

[0031] The cylinder clamping mechanism is fixed to the other end of the third support, and the other end of the cylinder clamping mechanism is fixed to one end of the fourth support;

[0032] A first support block is fixed to the other end of the fourth support and is disposed opposite to the first support block;

[0033] The switching module for the third wide and narrow vehicle type also includes:

[0034] The first adjusting block is fixed on the U-shaped bend;

[0035] L-shaped block, one end of the L-shaped block is fixed on the first adjustment block,

[0036] A second positioning pin is fixed on the other end of the L-shaped block;

[0037] The third block is arranged opposite to the second positioning pin; the third block is fixed on the top of the cylinder clamping mechanism; the cylinder clamping mechanism is fixed on the column through the fifth support.

[0038] Wherein, the switching device for the third wide and narrow vehicle type further comprises:

[0039] The fourth wide-narrow vehicle type switching module is arranged adjacent to the first wide-narrow vehicle type switching device; and is fixed to a connecting plate arranged on one side of the column;

[0040] The switching module of the fifth wide-narrow vehicle model is arranged and fixed in parallel below the switching module of the fourth wide-narrow vehicle model;

[0041] The switching module of the sixth wide and narrow vehicle model and the switching module of the seventh wide and narrow vehicle model are respectively fixed on the connecting plate below the switching module of the fourth wide and narrow vehicle model; the switching module of the sixth wide and narrow vehicle model and the switching module of the seventh wide and narrow vehicle model are arranged in parallel; wherein,

[0042] The switching module for the fourth wide and narrow models also includes:

[0043] T-block, fixed on the connecting plate,

[0044] A second support block, fixed to the T-block;

[0045] The fourth block is arranged opposite to the second support block and fixed to the upper end of the cylinder clamping mechanism;

[0046] The sixth support; one end of the sixth support is fixed to the column, and the other end of the sixth support is fixed to the cylinder clamping mechanism;

[0047] Among them, the switching module of the fifth wide and narrow vehicle type also includes:

[0048] The second adjustment block is fixed on the column;

[0049] A second connecting block, fixed on the second adjusting block;

[0050] A third positioning pin; fixed on the second connecting block;

[0051] The fifth block is arranged opposite to the third positioning pin and is fixed on the cylinder clamping mechanism.

[0052] The seventh support; one end of the seventh support is fixed to the cylinder clamping mechanism; one end of the seventh support is fixed to the column;

[0053] Among them, the switching module of the sixth wide and narrow vehicle type also includes:

[0054] An eighth support, one end of the eighth support is fixed to the connecting plate, and one end of the eighth support is fixed to one end of the third supporting block;

[0055] A cylinder clamping mechanism is fixed to the other end of the third support block;

[0056] The sixth type block is fixed to the top of the cylinder clamping mechanism;

[0057] Among them, the switching module of the seventh wide and narrow car model also includes:

[0058] The second adjustment block is fixed on the column;

[0059] A ninth support, one end of which is fixed to the connecting plate, and one end of which is fixed to one end of the fourth support block;

[0060] A cylinder clamping mechanism, fixed to the other end of the fourth support block;

[0061] The seventh type block is fixed to the top of the cylinder clamping mechanism;

[0062] The fourth positioning pin is fixed on the fourth supporting block.

[0063] Wherein, the front wall positioning gripper also includes:

[0064] The front wall positioning gripper frame is square in shape;

[0065] The first positioning hole is arranged at the four corners of the front wall positioning gripper frame; it is used to cooperate with the second positioning pin on the switching module of the third wide and narrow vehicle model for positioning, and the second positioning pin on the switching module of the third wide and narrow vehicle model will be stuck in the first positioning hole; the front wall positioning gripper is positioned;

[0066] Likewise, the rear enclosure positioning gripper further comprises:

[0067] The rear perimeter positioning gripper frame is square in shape;

[0068] The second positioning hole is set on the four corners of the rear enclosure positioning gripper frame; it is used to cooperate with the third positioning pin on the switching module of the fifth wide and narrow vehicle model for positioning, and the third positioning pin on the switching module of the fifth wide and narrow vehicle model will be inserted into the second positioning hole; the rear enclosure positioning gripper is positioned.

[0069] The side panel positioning gripper includes a left side panel positioning gripper and a right side panel positioning gripper symmetrically arranged; the left side panel positioning gripper and the right side panel positioning gripper have the same structure and are completely symmetrical, and the side panel positioning gripper also includes:

[0070] A side panel positioning gripper frame, wherein a first positioning block is arranged at the bottom of the side panel positioning gripper frame and fixed above the first connecting block; an arrow-shaped second positioning block is arranged at the bottom of the side panel positioning gripper and precisely matches the first positioning block;

[0071] A first block is arranged on one side of the first positioning block and is used to cooperate with a second positioning block arranged at the bottom of the side wall positioning gripper;

[0072] The third positioning hole is set at the two corners above the side panel positioning gripper frame; it is used to cooperate with the first positioning pin on the switching module of the first wide and narrow vehicle model for positioning, and the first positioning pin on the switching module of the first wide and narrow vehicle model will be inserted into the third positioning hole to position the side panel positioning gripper.

[0073] Furthermore, a bottom positioning common fixture device is provided below the multi-vehicle carriage head switching device; wherein the bottom positioning common fixture device further comprises:

[0074] A base, used to fix the bottom positioning common clamp device;

[0075] A plurality of positioning pillars are fixed on the base to support the carriage head; a fixing device for fixing the carriage head is arranged on both sides of the base; the fixing device for the carriage head also includes:

[0076] A semicircular arc-shaped clamp is fixed to the upper end of the cylinder clamping mechanism and is used to fix the carriage head.

[0077] Furthermore, the cylinder clamping mechanism further comprises:

[0078] The saddle-shaped pressing block is an inverted saddle;

[0079] The pneumatic lock is in a trapezoidal shape. A circular arc connection is arranged on one side of the pneumatic lock, and the circular arc gradually increases. The pneumatic lock is arranged inside the saddle-shaped pressure block. The pneumatic lock is movably connected to the pin shaft at the middle position of the saddle-shaped pressure block.

[0080] The cylinder is fixedly connected with the pneumatic lock and forms a locking structure with the pneumatic lock and the saddle-shaped pressure block for positioning and fixing.

[0081] Compared with the prior art, the present invention utilizes a switching mechanism for long and short vehicle types and a switching mechanism for wide and narrow vehicle types. The front panel positioning grippers, the rear panel positioning grippers and the side panel positioning grippers on both sides are switched according to the positions of the car heads of different vehicle types, so as to meet the positioning requirements of the car heads of different vehicle types. There is no need for a whole set of welding devices for a car head of one vehicle type as in the prior art, which saves the manufacturing cost of the fixture, and at the same time, saves space on the production line, and saves resources and labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0082] Figure 1 It is a structural schematic diagram of the present invention;

[0083] Figure 2 It is a schematic diagram of the general assembly of the positioning mechanism on the frame;

[0084] Figure 3 It is a schematic diagram of the general assembly of the switching mechanism of the long and short vehicle types of the present invention;

[0085] Figure 4 It is a schematic diagram of the general assembly of the switching mechanism for wide and narrow vehicle types of the present invention;

[0086] Figure 5 It is a structural schematic diagram of the front wall positioning gripper of the present invention;

[0087] Figure 6 It is a structural schematic diagram of the rear enclosure positioning gripper of the present invention;

[0088] Figure 7 It is a structural schematic diagram of the side panel positioning gripper of the present invention;

[0089] Figure 8 It is a structural schematic diagram of the switching device for long and short vehicle types of the present invention;

[0090] Fig. 9 is a structural schematic diagram of a second positioning block of the present invention;

[0091] Fig.10 It is a structural schematic diagram of a switching module for a first wide-narrow vehicle type of the present invention;

[0092] Fig.11 It is a structural schematic diagram of a switching module for a second wide-narrow vehicle type of the present invention;

[0093] Fig.12 It is a structural schematic diagram of a switching module for a third wide-narrow vehicle type of the present invention;

[0094] Fig.13 It is a structural schematic diagram of a switching module for a fourth wide-narrow vehicle type of the present invention;

[0095] Fig.14 It is a structural schematic diagram of a switching module for a fifth wide-narrow vehicle type of the present invention;

[0096] Fig.15 It is a structural schematic diagram of a switching module for a sixth wide-narrow vehicle type of the present invention;

[0097] Fig.16 It is a structural schematic diagram of a switching module for a seventh wide-narrow vehicle type of the present invention;

[0098] Fig.17 It is a structural schematic diagram of the bottom positioning common clamp device of the present invention;

[0099] Fig.18 It is a structural schematic diagram of the cylinder clamping mechanism of the present invention. DETAILED DESCRIPTION

[0100] In order to make the purpose, technical scheme and advantages of the present invention clearer, the following will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the various embodiments of the present invention, many technical details are provided in order to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed for protection in the claims of the present application can be implemented.

[0101] The present invention relates to a multi-carriage carriage head switching device, such as Figure 1 and Figure 2 As shown, including:

[0102] The frame 100 includes a column 101 for supporting a multi-carriage carriage head switching device;

[0103] The long and short vehicle type switching mechanism 200 is arranged below the column 101 and is used to adjust the distance between the front and rear clamp devices of the multi-vehicle vehicle head switching device;

[0104] The switching mechanism 300 for wide and narrow vehicle types is arranged above the pillar 101 and is used to adjust the distance between the left and right clamp devices of the multi-vehicle vehicle head switching device;

[0105] The front crowbar positioning gripper 400 is arranged on the switching mechanism 200 of the long and short vehicle models to adjust the front and rear position. At the same time, the front crowbar positioning gripper 400 is arranged on the switching mechanism 300 of the wide and narrow vehicle models to adjust the left and right position; thus, the front crowbar positioning gripper 400 can be adjusted in the front and rear, left and right positions, thereby meeting the requirements of the car head of different vehicle models.

[0106] Similarly, the rear enclosure positioning gripper 500 is arranged on the switching mechanism 200 of the long and short vehicle models to adjust the front and rear position. At the same time, the rear enclosure positioning gripper 500 is arranged on the switching mechanism 300 of the wide and narrow vehicle models to adjust the left and right position; thereby, the rear enclosure positioning gripper 500 can be adjusted in the front and rear, left and right positions, thereby meeting the requirements of the car head of different vehicle models.

[0107] Similarly, the side wall positioning grippers 600 are arranged on both sides of the multi-model vehicle head switching device and are arranged on the long and short vehicle head switching mechanism 200 to adjust the front and rear positions, and the side wall positioning grippers 600 are arranged on the wide and narrow vehicle head switching mechanism 300 to adjust the left and right positions. In this way, in this embodiment, the long and short vehicle head switching mechanism and the wide and narrow vehicle head switching mechanism are utilized, and the front wall positioning grippers and the rear wall positioning grippers and the side wall positioning grippers on both sides are positioned and switched according to the positions of the vehicle heads of different vehicle models, so as to meet the positioning requirements of the vehicle heads of different vehicle models, and the technical problem that a whole set of welding devices is required for a vehicle head of a vehicle model as in the prior art is not required, and the manufacturing cost of the fixture is saved, and at the same time, the space on the production line is saved, and the resource and labor costs are saved.

[0108] Combined with Figure 2 , Attachment Figure 3 and attached Figure 8 As shown, the switching mechanism 200 for long and short vehicle types also includes:

[0109] A plurality of switching devices 201 for long and short vehicle types. In this embodiment, there are a total of 8 switching devices 201 for long and short vehicle types on both sides of the side panel positioning gripper 600. The switching devices 201 for long and short vehicle types are arranged side by side and fixed on the column 101; on the column 101, they are arranged opposite to each other; used to locate and fix the lower end of the side panel positioning gripper 600; any switching device 201 also includes: in combination with the attached Figure 3 and attached Figure 8 , Attachment Fig. 9 As shown,

[0110] A first connecting block 202 is fixed on a transverse column 102 disposed on the column 101;

[0111] The first positioning block 203 is fixed above the first connecting block 202; an arrow-shaped second positioning block 204 that precisely matches the first positioning block 202 is provided at the bottom of the side periphery positioning gripper 600;

[0112] The first mold block 205 is arranged on one side of the first positioning block 202 and is used to cooperate with the second positioning block 204 arranged at the bottom of the side periphery positioning gripper 600;

[0113] The curved connection block 206 is disposed on one side of the first block 205 and fixed to the first block 205. The curved connection block 206 is fixedly connected to the top of the cylinder clamping mechanism 700;

[0114] The first support 207 is L-shaped and fixes the long and short vehicle type switching device 201 on the column 101. The above-mentioned long and short vehicle type switching mechanism 200 realizes the adjustment of the length of the head of the vehicle body of multiple models in the length direction, and also realizes the positioning and clamping of the side panel positioning gripper 600.

[0115] In order to realize the switching between the width and narrowness of the carriage head of different models in this embodiment, the attached Figure 2 and attached Fig.10 The switching mechanism 300 for wide and narrow vehicle types also includes:

[0116] The first wide and narrow vehicle type switching device 310 is arranged above the column 101 of the multi-vehicle vehicle head switching device and above the long and short vehicle type switching mechanism 200;

[0117] The second wide and narrow vehicle type switching device 320 is arranged on the pillar 101 in front of the other side of the multi-vehicle vehicle head switching device; arranged below the first wide and narrow vehicle type switching device 310 and fixed to the first wide and narrow vehicle type switching device 310; and arranged above the long and short vehicle type switching mechanism 200;

[0118] The switching device 330 for the third width and narrow vehicle type is arranged on the pillar 101 at the rear of the other side of the multi-vehicle vehicle head switching device; it is arranged opposite to the switching device 310 for the first width and narrow vehicle type; and is connected and fixed to the switching device 310 for the first width and narrow vehicle type through the connecting plate 301; and it is arranged above the switching mechanism 200 for the long and short vehicle types.

[0119] The above structure realizes the switching mechanism 300 for wide and narrow vehicle models. Through the combination of three different switching devices for wide and narrow vehicle models, the wide and narrow switching of the switching mechanism 300 for wide and narrow vehicle models is formed, mainly to meet the positioning requirements of the car head of different vehicle models in the width direction.

[0120] In this embodiment, further combined with the attached Figure 2 , Attachment Fig.10 As shown, the first wide-narrow vehicle type switching device 310 also includes:

[0121] A switching module 311 of the first wide and narrow vehicle type, a plurality of switching modules 311 of the first wide and narrow vehicle type are fixed on the sliding plate 312 up and down and front and back; a cylinder rod of the first cylinder 313 is connected to one end of the sliding plate 312 through a cylinder connector, and the cylinder body of the first cylinder 313 is fixed to a bottom plate 314 arranged on the column 101; a slide rail 315 is arranged below the sliding plate 312; the slide rail 315 is fixed on the bottom plate 314 to form a sliding structure of the switching module 311 of the first wide and narrow vehicle type; below the bottom plate 314, on the side of the column 101, the switching module 311 of the first wide and narrow vehicle type is also arranged, which is in a vertical structure with the sliding plate 313; opposite to the column 101, the switching module 311 of the first wide and narrow vehicle type is also arranged, which is in a parallel structure with the sliding plate 313; wherein, as shown in the attached Fig.10 As shown, the first wide-narrow vehicle type switching module 311 further includes:

[0122] An L-shaped adjustment block 316, on one side of which a plurality of mounting grooves 317 are provided; the other side of the L-shaped adjustment block 316 is fixed to a first positioning pin 318;

[0123] The second block 319 is disposed on one side of the first positioning pin 318; a positioning square groove 321 is disposed above the second block 319; the other end of the second block 319 is fixed to the cylinder clamping mechanism 700;

[0124] The second support 322 is L-shaped, one end of the second support 322 is fixed to the cylinder clamping mechanism 700, and the other end of the second support 322 is fixed to the column 101. The above structure forms the structure of the first wide and narrow vehicle type switching device 310;

[0125] Combined with Figure 2 , Attachment Fig.11 As shown, the second wide-narrow vehicle type switching device 320 also includes:

[0126] The second wide-narrow vehicle switching module 340 is fixed to the column 101 below the first wide-narrow vehicle switching device 310 through one end of the third support 341;

[0127] The switching module 350 of the third wide and narrow vehicle type is fixed to the switching module 340 of the second wide and narrow vehicle type through a U-shaped bend 342 fixed on the column 101; the switching module 340 of the second wide and narrow vehicle type is fixed on one side of the U-shaped bend 342; the switching module 350 of the third wide and narrow vehicle type is fixed on the other side of the U-shaped bend 342; wherein:

[0128] Combined with Fig.11 As shown, the second wide-narrow vehicle model switching module 340 also includes:

[0129] The cylinder clamping mechanism 700 is fixed to the other end of the third support 343, and the other end of the cylinder clamping mechanism 700 is fixed to one end of the fourth support 344;

[0130] A first support block 345 is fixed to the other end of the fourth support 344 and is disposed opposite to the first support block 345;

[0131] Combined with Fig.12 As shown, the switching module 350 for the third wide and narrow vehicle type further includes:

[0132] A first adjusting block 351 is fixed on the U-shaped bend 342;

[0133] L-shaped block 352, one end of which is fixed on the first adjustment block 351,

[0134] A second positioning pin 353 is fixed to the other end of the L-shaped block 352;

[0135] The third block 354 is arranged opposite to the second positioning pin 352 ; the third block 354 is fixed on the top of the cylinder clamping mechanism 700 ; the cylinder clamping mechanism 700 is fixed on the column through the fifth support 355 .

[0136] The above structure is the structure of the switching module 340 for the second width and narrow vehicle model and the switching module 350 for the third width and narrow vehicle model, which together with the switching module 311 for the first width and narrow vehicle model constitute the switching mechanism 300 for the width and narrow vehicle model, which can meet the positioning requirements of the vehicle head of different vehicle models in the width direction.

[0137] Combined with Figure 2 and attached Fig.13 -Attached Fig.16 As shown, the third wide-narrow vehicle type switching device 330 also includes:

[0138] The fourth wide-narrow vehicle type switching module 360 ​​is disposed adjacent to the first wide-narrow vehicle type switching device 310 and is fixed to a connecting plate 301 disposed on one side of the column 101;

[0139] The fifth wide-narrow vehicle type switching module 370 is arranged and fixed in parallel below the fourth wide-narrow vehicle type switching module 360;

[0140] The switching module 380 of the sixth wide and narrow vehicle model and the switching module 390 of the seventh wide and narrow vehicle model are respectively fixed on the connecting plate 301 below the switching module 360 ​​of the fourth wide and narrow vehicle model; the switching module 380 of the sixth wide and narrow vehicle model and the switching module 390 of the seventh wide and narrow vehicle model are arranged in parallel; wherein,

[0141] Combined with Figure 2 , Attachment Fig.13 As shown, the fourth wide-narrow vehicle model switching module 360 ​​also includes:

[0142] T-block 361 is fixed on the connecting plate 301.

[0143] A second support block 362, fixed to the T-block 361;

[0144] The fourth block 363 is disposed opposite to the second support block 362 and fixed to the upper end of the cylinder clamping mechanism 700;

[0145] The sixth support 364; one end of the sixth support is fixed to the column 101, and the other end of the sixth support 364 is fixed to the cylinder clamping mechanism 700;

[0146] Among them, combined with Figure 2 , Attachment Fig.14 As shown, the fifth wide-narrow vehicle model switching module 370 also includes:

[0147] The second adjustment block 371 is fixed on the column 101;

[0148] A second connecting block 372, fixed on the second adjusting block 371;

[0149] The third positioning pin 373 is fixed on the second connecting block 372;

[0150] The fifth block 374 is disposed opposite to the third positioning pin 373 and is fixed on the cylinder clamping mechanism 700.

[0151] The seventh support 375; one end of the seventh support 375 is fixed to the cylinder clamping mechanism 700; one end of the seventh support 375 is fixed to the column 101;

[0152] Among them, the combination of Figure 2 , Attachment Fig.15 As shown, the sixth wide-narrow vehicle model switching module 380 also includes:

[0153] An eighth support 381, one end of the eighth support 381 is fixed to the connecting plate 301, and one end of the third supporting block 382 is fixed to one end of the eighth support 381;

[0154] A cylinder clamping mechanism 700 is fixed to the other end of the third support block 382;

[0155] The sixth type block 383 is fixed to the top of the cylinder clamping mechanism 700;

[0156] Among them, the combination of Figure 2 , Attachment Fig.15 As shown, the switching module 390 of the seventh wide-narrow vehicle model further includes:

[0157] The second adjustment block 391 is fixed on the column 101;

[0158] One end of the ninth support 392 is fixed to the connecting plate 301, and one end of the fourth supporting block 393 is fixed to one end of the ninth support 392;

[0159] A cylinder clamping mechanism 700 is fixed to the other end of the fourth support block 393;

[0160] The seventh type block 394 is fixed to the top of the cylinder clamping mechanism 700;

[0161] The fourth positioning pin 395 is fixed on the fourth supporting block 393 .

[0162] The above structure constitutes the third wide and narrow vehicle switching device 330, which cooperates with the first wide and narrow vehicle switching device 310 to form the structure of the third wide and narrow vehicle switching device 330; a part of the wide and narrow vehicle switching mechanism 300 on the column provides the basis for the positioning of this embodiment.

[0163] Combined with Figure 5 As shown, the front wall positioning gripper 400 also includes:

[0164] The front wall positioning gripper frame 402 is square in shape;

[0165] The first positioning hole 401 is provided at the four corners of the front wall positioning gripper frame 402; it is used to cooperate with the second positioning pin 353 on the switching module 350 of the third wide and narrow vehicle model for positioning, and the second positioning pin 353 on the switching module 350 of the third wide and narrow vehicle model will be inserted into the first positioning hole 401; the front wall positioning gripper 400 is positioned;

[0166] Likewise, in combination with Figure 6 As shown, the rear wall positioning gripper 500 also includes:

[0167] The rear perimeter positioning gripper frame 501 is square in shape;

[0168] The second positioning hole 502 is set on the four corners of the rear enclosure positioning gripper frame 500; it is used to cooperate with the third positioning pin 373 on the switching module 370 of the fifth wide and narrow vehicle model for positioning. The third positioning pin 373 on the switching module 370 of the fifth wide and narrow vehicle model will be inserted into the second positioning hole 502; positioning the rear enclosure positioning gripper 500 is performed.

[0169] Combined with Figure 7 , Attachment Fig.10 As shown, the side periphery positioning gripper 600 symmetrically sets a left periphery positioning gripper 601 and a right periphery positioning gripper 602; the structures of the left periphery positioning gripper 601 and the right periphery positioning gripper 602 are consistent and completely symmetrical, and the side periphery positioning gripper 600 also includes:

[0170] The side panel positioning gripper frame 603 has a first positioning block 202 disposed at the bottom thereof and fixed above the first connecting block 202; an arrow-shaped second positioning block 204 precisely matched with the first positioning block 202 is disposed at the bottom of the side panel positioning gripper 600;

[0171] The first mold block 205 is arranged on one side of the first positioning block 202 and is used to cooperate with the second positioning block 205 arranged at the bottom of the side periphery positioning gripper 600;

[0172] The third positioning hole 604 is set at the two corners above the side panel positioning gripper frame 603; it is used to cooperate with the first positioning pin 318 on the switching module 311 of the first wide and narrow vehicle model for positioning. The first positioning pin 318 on the switching module 311 of the first wide and narrow vehicle model will be inserted into the third positioning hole 604 to position the side panel positioning gripper 600.

[0173] In order to realize the switching of carriage heads of multiple models, as shown in the attached Fig.17 In the embodiment shown, a bottom positioning common fixture device 800 is arranged below the multi-vehicle carriage head switching device; wherein the bottom positioning common fixture device 800 further includes:

[0174] A base 801, used to fix the bottom positioning common fixture device 800;

[0175] A plurality of positioning pillars 802 are fixed on the base 801 to support the carriage head; a fixing device 803 for fixing the carriage head is arranged on both sides of the base 801; the fixing device 803 for fixing the carriage head also includes:

[0176] The semicircular arc-shaped clamp 804 is fixed to the upper end of the cylinder clamping mechanism 700 and is used to fix the carriage head.

[0177] Combined with Fig.18 As shown, the cylinder clamping mechanism 700 also includes:

[0178] The saddle-shaped pressing block 701 is an inverted saddle;

[0179] The pneumatic lock 702 is in a trapezoidal shape. A circular arc connection is arranged on one side of the pneumatic lock 702, and the circular arc gradually increases. The pneumatic lock 702 is arranged inside the saddle-shaped pressing block 701. The pneumatic lock 702 is movably connected to the pin shaft at the middle position of the saddle-shaped pressing block 701.

[0180] The cylinder 703 is fixedly connected to the pneumatic lock 702, and forms a locking structure with the pneumatic lock 702 and the saddle-shaped pressure block 701 for positioning and fixing.

[0181] In the present embodiment, a switching mechanism for long and short vehicle types and a switching mechanism for wide and narrow vehicle types are utilized. The front panel positioning grippers, the rear panel positioning grippers, and the side panel positioning grippers on both sides are positioned and switched according to the position of the car head of different vehicle types, so as to meet the positioning requirements of the car head of different vehicle types. There is no need for a whole set of welding devices for a car head of one vehicle type as in the prior art, which saves the manufacturing cost of the fixture, and at the same time, saves space on the production line, and saves resources and labor costs.

[0182] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A multi-carriage carriage head switching device, characterized in that: include: A frame, the frame comprising a column for supporting the multi-vehicle carriage head switching device; The switching mechanism for long and short vehicle types is arranged below the pillar and is used to adjust the distance between the front and rear clamp devices of the multi-vehicle vehicle head switching device; The switching mechanism for wide and narrow vehicle types is arranged above the pillar and is used to adjust the distance between the left and right clamp devices of the multi-vehicle vehicle head switching device; A front cirque positioning gripper, the front cirque positioning gripper is arranged on the switching mechanism of the long and short vehicle models to adjust the front and rear positions, and the front cirque positioning gripper is arranged on the switching mechanism of the wide and narrow vehicle models to adjust the left and right positions; A rear enclosure positioning gripper, the rear enclosure positioning gripper is arranged on the switching mechanism of the long and short vehicle models to adjust the front and rear positions, and the rear enclosure positioning gripper is arranged on the switching mechanism of the wide and narrow vehicle models to adjust the left and right positions; Side wall positioning grippers, the side wall positioning grippers are arranged on both sides of the multi-model vehicle head switching device, and are arranged on the switching mechanism of the long and short models to adjust the front and rear positions, and the side wall positioning grippers are arranged on the switching mechanism of the wide and narrow models to adjust the left and right positions; The switching mechanism for the long and short vehicle types further comprises: a plurality of switching devices for the long and short vehicle types, which are arranged side by side and fixed on the pillars; are arranged opposite to each other on the pillars; and are used to locate and fix the lower end of the side wall positioning gripper; any switching device further comprises: a first connecting block, which is fixed on a transverse pillar arranged on the pillars; A first positioning block is fixed above the first connecting block; an arrow-shaped second positioning block is arranged at the bottom of the side panel positioning gripper and precisely matches the first positioning block; A first block is arranged on one side of the first positioning block and is used to cooperate with a second positioning block arranged at the bottom of the side wall positioning gripper; A curved connection block is arranged on one side of the first block and fixed to the first block, and the curved connection block is fixedly connected to the top of the cylinder clamping mechanism; The first support is L-shaped and fixes the switching device of the long and short vehicle models on the said column; The switching mechanism for wide and narrow vehicle types further comprises: a first switching device for wide and narrow vehicle types, which is arranged above the column of the multi-vehicle vehicle head switching device and above the switching mechanism for long and short vehicle types; The second wide and narrow vehicle type switching device is arranged on the pillar in front of the other side of the multi-vehicle vehicle head switching device; arranged below the first wide and narrow vehicle type switching device and fixed to the first wide and narrow vehicle type switching device; arranged above the long and short vehicle type switching mechanism; The switching device for the third wide and narrow vehicle type is arranged on the pillar behind the other side of the multi-vehicle vehicle head switching device; it is arranged opposite to the switching device for the first wide and narrow vehicle type; and is connected and fixed to the switching device for the first wide and narrow vehicle type through a connecting plate; and it is arranged above the switching mechanism for the long and short vehicle types.

2. The multi-carriage head switching device according to claim 1 is characterized in that: The switching device of the first wide and narrow vehicle model further includes: a switching module of the first wide and narrow vehicle model, and a plurality of switching modules of the first wide and narrow vehicle model are fixed on the sliding plate up and down and front and back; a cylinder rod of the first cylinder is connected to one end of the sliding plate through a cylinder connector, and the cylinder body of the first cylinder is fixed to a bottom plate arranged on the column; a slide rail is arranged below the sliding plate; the slide rail is fixed to the bottom plate to form a sliding structure of the switching module of the first wide and narrow vehicle model; below the bottom plate, on the side of the column, the switching module of the first wide and narrow vehicle model is also arranged, which is in a vertical structure with the sliding plate; opposite to the column, the switching module of the first wide and narrow vehicle model is also arranged, which is in a parallel structure with the sliding plate; wherein the switching module of the first wide and narrow vehicle model further includes: an L-shaped adjustment block, and a plurality of mounting grooves are arranged on one side of the L-shaped adjustment block; the other side of the L-shaped adjustment block is fixed to a fixed first positioning pin; A second block, the second block is arranged on one side of the first positioning pin; a positioning square groove is arranged above the second block; the other end of the second block is fixed to the cylinder clamping mechanism; The second support is L-shaped, one end of the second support is fixed to the cylinder clamping mechanism, and the other end of the second support is fixed to the column.

3. The multi-carriage head switching device according to claim 1 is characterized in that: The switching device for the second wide and narrow vehicle type further comprises: a switching module for the second wide and narrow vehicle type, fixed to a column below the switching device for the first wide and narrow vehicle type through one end of a third support; The switching module of the third wide and narrow vehicle model is fixed to the switching module of the second wide and narrow vehicle model through a U-shaped bend fixed on the column; the switching module of the second wide and narrow vehicle model is fixed on one side of the U-shaped bend; the switching module of the third wide and narrow vehicle model is fixed on the other side of the U-shaped bend; wherein: the switching module of the second wide and narrow vehicle model also includes: The cylinder clamping mechanism is fixed to the other end of the third support, and the other end of the cylinder clamping mechanism is fixed to one end of the fourth support; A first support block is fixed to the other end of the fourth support and is disposed opposite to the first support block; The switching module for the third wide and narrow vehicle type also includes: The first adjusting block is fixed on the U-shaped bend; L-shaped block, one end of the L-shaped block is fixed on the first adjustment block, A second positioning pin is fixed on the other end of the L-shaped block; The third block is arranged opposite to the second positioning pin; the third block is fixed on the top of the cylinder clamping mechanism; the cylinder clamping mechanism is fixed on the column through the fifth support.

4. The multi-carriage head switching device according to claim 1 is characterized in that: The switching device for the third wide and narrow vehicle type further comprises: a switching module for the fourth wide and narrow vehicle type, which is arranged adjacent to the switching device for the first wide and narrow vehicle type; and is fixed on a connecting plate arranged on one side of the column; The switching module of the fifth wide-narrow vehicle model is arranged and fixed in parallel below the switching module of the fourth wide-narrow vehicle model; The switching module of the sixth wide and narrow vehicle model and the switching module of the seventh wide and narrow vehicle model are respectively fixed on the connecting plate below the switching module of the fourth wide and narrow vehicle model; the switching module of the sixth wide and narrow vehicle model and the switching module of the seventh wide and narrow vehicle model are arranged in parallel; wherein, the switching module of the fourth wide and narrow vehicle model further includes: T-block, fixed on the connecting plate, A second support block, fixed to the T-block; The fourth block is arranged opposite to the second support block and fixed to the upper end of the cylinder clamping mechanism; The sixth support; one end of the sixth support is fixed to the column, and the other end of the sixth support is fixed to the cylinder clamping mechanism; Among them, the switching module of the fifth wide and narrow vehicle type also includes: A second adjustment block is fixed on the column; A second connecting block, fixed on the second adjusting block; A third positioning pin; fixed on the second connecting block; The fifth block is arranged opposite to the third positioning pin, the fifth block is fixed on the cylinder clamping mechanism, the seventh support; one end of the seventh support is fixed on the cylinder clamping mechanism; one end of the seventh support is fixed on the column; Among them, the switching module of the sixth wide and narrow vehicle type also includes: An eighth support, one end of the eighth support is fixed to the connecting plate, and one end of the eighth support is fixed to one end of the third supporting block; A cylinder clamping mechanism is fixed to the other end of the third support block; The sixth type block is fixed to the top of the cylinder clamping mechanism; Among them, the switching module of the seventh wide and narrow car model also includes: A second adjustment block is fixed on the column; A ninth support, one end of which is fixed to the connecting plate, and one end of which is fixed to one end of the fourth support block; A cylinder clamping mechanism, fixed to the other end of the fourth support block; The seventh type block is fixed to the top of the cylinder clamping mechanism; The fourth positioning pin is fixed on the fourth supporting block.

5. The multi-carriage head switching device according to claim 1, characterized in that: The front wall positioning gripper also includes: a front wall positioning gripper frame, which is square; The first positioning hole is arranged at the four corners of the front wall positioning gripper frame; it is used to cooperate with the second positioning pin on the switching module of the third wide and narrow vehicle model for positioning, and the second positioning pin on the switching module of the third wide and narrow vehicle model will be stuck in the first positioning hole; the front wall positioning gripper is positioned; Likewise, the rear enclosure positioning gripper further comprises: The rear perimeter positioning gripper frame is square in shape; The second positioning hole is set on the four corners of the rear enclosure positioning gripper frame; it is used to cooperate with the third positioning pin on the switching module of the fifth wide and narrow vehicle model for positioning, and the third positioning pin on the switching module of the fifth wide and narrow vehicle model will be inserted into the second positioning hole; the rear enclosure positioning gripper is positioned.

6. The multi-carriage head switching device according to claim 1, characterized in that: The side enclosure positioning gripper is symmetrically provided with a left enclosure positioning gripper and a right enclosure positioning gripper; the structures of the left enclosure positioning gripper and the right enclosure positioning gripper are consistent and completely symmetrical, and the side enclosure positioning gripper further comprises: a side enclosure positioning gripper frame, a first positioning block is provided at the bottom of the side enclosure positioning gripper frame and is fixed above the first connecting block; an arrow-shaped second positioning block is provided at the bottom of the side enclosure positioning gripper and is precisely matched with the first positioning block; A first block is arranged on one side of the first positioning block and is used to cooperate with a second positioning block arranged at the bottom of the side wall positioning gripper; The third positioning hole is set at the two corners above the side panel positioning gripper frame; it is used to cooperate with the first positioning pin on the switching module of the first wide and narrow vehicle model for positioning, and the first positioning pin on the switching module of the first wide and narrow vehicle model will be inserted into the third positioning hole to position the side panel positioning gripper.

7. The multi-vehicle carriage head switching device according to any one of claims 1 to 6, characterized in that: A bottom positioning common fixture device is arranged below the multi-vehicle carriage head switching device; wherein the bottom positioning common fixture device further comprises: a base for fixing the bottom positioning common fixture device; A plurality of positioning pillars are fixed on the base for supporting the carriage head; fixing devices for fixing the carriage head are arranged on both sides of the base; the fixing device for the carriage head also includes: a semicircular arc clamp fixed on the upper end of the cylinder clamping mechanism for fixing the carriage head.

8. The multi-vehicle carriage head switching device according to any one of claims 2, 3 or 4, characterized in that: The cylinder clamping mechanism further comprises: a saddle-shaped pressing block, which is an inverted saddle; The pneumatic lock is in a trapezoidal shape. A circular arc connection is arranged on one side of the pneumatic lock, and the circular arc gradually increases. The pneumatic lock is arranged inside the saddle-shaped pressure block. The pneumatic lock is movably connected to the pin shaft at the middle position of the saddle-shaped pressure block. The cylinder is fixedly connected with the pneumatic lock and forms a locking structure with the pneumatic lock and the saddle-shaped pressure block for positioning and fixing.

Images