CN112296582A

CN112296582A - Multi-vehicle type switching system of white vehicle body welding fixture

Info

Publication number: CN112296582A
Application number: CN202011261770.3A
Authority: CN
Inventors: 刘蕾; 徐国喜; 成子文; 吴传刚; 姬彦文
Original assignee: Anhui Juyi Technology Co Ltd
Current assignee: Anhui Juyi Technology Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-02
Anticipated expiration: 2040-11-12
Also published as: CN112296582B

Abstract

The invention discloses a multi-vehicle type switching system for a welding fixture of a body-in-white, which comprises a sliding table base, a fixture storage module, a fixture driving module and a fixture driving module. The sliding table base is provided with an X-direction movement bearing guide rail, the clamp storage module comprises a plurality of fixed bearing mechanisms arranged on two sides of the sliding table base, and the fixed bearing mechanisms are used for placing welding clamps to be switched; the working position positioning modules are arranged on two sides of the sliding table base and used for positioning the welding fixture moved to the working position; the clamp driving module comprises one of a rapid switching trolley for drawing the welding clamp to move towards the X direction, a transplanting fork mechanism for drawing the welding clamp to move towards the Y direction or a warehouse position driving mechanism. The switching system adopts a simple mechanical structure, combines various types of clamp switching systems, can use the transplanting fork mechanism to switch the vehicle type Y direction, and can also use the storage position driving mechanism to switch the vehicle type Y direction, thereby greatly improving the flexible interchangeability of the switching system.

Description

Multi-vehicle type switching system of white vehicle body welding fixture

Technical Field

The invention relates to the technical field of mechanical conveying equipment, in particular to a multi-vehicle type switching system for a welding fixture of a body-in-white.

Background

In a body-in-white welding line, clamps for storing various vehicle types on line are generally used, and the rapid switching of the production of various vehicle types is realized. Due to the limitation of the spatial layout and scheme of the factory, switching systems of the types such as a linear switching library, a cross switching library, a T-shaped switching library and the like are usually adopted in the prior art for classified layout.

Therefore, the switching system in the prior art has independent schemes, various composition structures, various specifications, non-uniform equipment, low utilization rate and further optimized space.

Among the prior art multi-vehicle type switch storehouse (including a style of calligraphy switch storehouse, cross switch storehouse, T style of calligraphy switch storehouse etc.) mostly be relatively independent structure, and most pertinence is only, and the flexibility is mixed relatively poorly between various schemes, and the structure is most can not carry out general replacement each other, and most switch storehouse adopts a single storehouse position configuration driving motor, to multi-vehicle type system, the motor utilization ratio of this scheme is not high, and is with higher costs, and the maintenance point is more.

In order to overcome the problems of low motor utilization rate, high cost and more maintenance points in the scheme, a multi-vehicle type switching warehouse adopting a transplanting fork driving mode in the prior art is adopted, the number of motors is reduced, and the motor utilization rate is improved. However, the multi-vehicle type switching warehouse of the transplanting fork driving mode is limited by the limited driving stroke, part of the welding fixtures are not suitable for the multi-vehicle type switching warehouse of the transplanting fork driving mode, and only a multi-vehicle type switching system of the warehouse space motor driving mode can be used.

Therefore, a multi-vehicle type switching system of the welding fixture needs to be designed, the transplanting fork mechanism can be used for switching the vehicle type in the Y direction, the storage position driving mechanism can be used for switching the vehicle type in the Y direction, and the flexible interchangeability of the switching system is greatly improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a multi-vehicle type switching system of a body-in-white welding fixture, so as to solve the problem that different welding fixtures of the switching system in the prior art are different.

Therefore, the invention provides a multi-vehicle type switching system of a body-in-white welding fixture, which comprises: the device comprises a sliding table base, a clamp storage module, a quick switching trolley and a working position positioning module.

The sliding table base is provided with an X-direction movement bearing guide rail, the clamp storage module comprises a plurality of fixed bearing mechanisms arranged on two sides of the sliding table base, and the fixed bearing mechanisms are used for placing welding clamps to be switched; the fast switch over dolly sets up on the slip table base for drive weld the dress anchor clamps and move toward X, and the setting of work position orientation module is in slip table base both sides are used for right weld the final location that the dress anchor clamps carried out before working.

The switching system also comprises a transplanting fork driving mechanism and a storage position driving mechanism which are selected and matched alternatively, and correspondingly, the switching system works in a transplanting fork driving mode and a storage position driving mode alternatively.

The fast switching trolley is characterized in that the fast switching trolley is provided with a plurality of working position positioning modules, the welding clamp is arranged on the fixed bearing mechanism, the transplanting fork mechanism is arranged on the fast switching trolley, the transplanting fork mechanism arranged on the fast switching trolley moves the welding clamp on the fixed bearing mechanism to the fast switching trolley along the Y direction under a transplanting fork driving mode, the storehouse position driving mechanism arranged on the fixed bearing mechanism moves the welding clamp on the fixed bearing mechanism to the fast switching trolley along the Y direction, and then the fast switching trolley moves to the working position positioning modules along the X direction so as to realize fast switching of the welding clamp of multiple vehicle types.

Further, this switched systems still including setting up the ground guiding mechanism of slip table base one end and set up the dolly that rolls off the production line in the ground guiding mechanism outside.

Furthermore, the switching system also comprises a warehouse-reversing trolley which is arranged on the sliding table base and is positioned on one side of the quick switching trolley.

Furthermore, the quick switching trolley comprises two groups of positioning pins, a roller bearing assembly, a quick insertion module, a motor driving module, a vehicle type detection module, a walking guide roller bearing assembly and a mounting position of a transplanting fork mechanism reserved for driving the welding fixture to move in the Y direction.

Further, the transplanting fork mechanism comprises a fixing assembly, a motor, a gear and rack transmission mechanism and a moving assembly.

Furthermore, a row of roller bearings are arranged on the side surface of the fixed assembly, and a clamping groove matched with the roller bearings is formed in the inner side surface of the movable assembly.

Furthermore, the gear rack transmission mechanism comprises a first gear and a second gear which are arranged on the fixed assembly, and a rack which is arranged on the sliding assembly, and the first gear and the second gear realize synchronous rotation through a synchronous belt mechanism.

Further, the center distance between the first gear and the second gear is integral multiple of the pitch of the rack, so that the rack is meshed with at least one of the first gear and the second gear.

Furthermore, transplant fork mechanism still includes and is used for installing two sets of bolt docking mechanisms that weld the anchor clamps on the removal subassembly.

Furthermore, the fixed bearing mechanism comprises a fixed base, a foot margin adjusting assembly, a roller bearing supporting assembly and a reserved plate for installing the storehouse position motor driving assembly.

Compared with the prior art, the multi-vehicle type switching system of the white vehicle body welding clamp has the following beneficial effects: on the basis of a conventional switching warehouse switching principle, a simple mechanical structure is adopted, various types of clamp switching systems are combined, and the application of multi-vehicle type switching of welding clamps of vehicle body parts such as door covers, side walls and floors can be met.

According to the layout or scheme, the multi-vehicle type switching system can use the transplanting fork mechanism to switch the vehicle type Y direction and can also use the storage position driving mechanism to switch the vehicle type Y direction, so that the flexible interchangeability of the switching system is greatly improved, and the internal structure of the system can still be exchanged for use aiming at the moving problem of plant equipment.

In addition, the transplanting fork driving scheme in the switching system reduces the equipment cost, reduces the maintenance points and increases the utilization rate of the equipment.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a welding jig type switching system of the present invention in a library driving mode;

FIG. 2 is a schematic view of the structure of the fixed bearing mechanism cooperating with the magazine drive mechanism in the welding fixture type switching system of the present invention in the magazine drive mode;

FIG. 3 is a schematic structural view of a welding jig type switching system of the present invention in a transplanting fork driving mode;

FIG. 4 is a schematic structural view showing the matching of the fast switching carriage and the transplanting fork mechanism in the welding jig type switching system of the present invention in a transplanting fork driving mode;

FIG. 5 is a schematic structural view of a fixed bearing mechanism in the welding jig type switching system of the present invention in a transplanting fork driving mode;

FIG. 6 is a schematic structural view of a welding jig type switching system of the present invention in a transplanting fork driving mode;

FIG. 7 is a first schematic structural view of a fork mechanism in the welding jig type switching system according to the present invention in a fork driving mode;

FIG. 8 is a second schematic structural view of a transplanting fork mechanism in the welding jig type switching system of the present invention in a transplanting fork driving mode; and

fig. 9 is a schematic structural view of the welding jig type switching system according to the present invention in which the working position positioning module is in the middle position state in the transplanting fork driving mode.

Description of the reference numerals

1. A sliding table base; 2. switching the trolleys quickly; 3. welding a clamp; 4. fixing the bearing mechanism; 5. a storage position driving mechanism; 6. a transplanting fork mechanism; 7. an off-line trolley; 8. a ground guide mechanism; 9. a working position positioning module; 10. a warehouse-dumping trolley;

21. positioning a bolt; 22. a roller bearing assembly; 23. a vehicle type detection module; 24. a fast plug module; 25. a guide roller bearing assembly; 41. a roller bearing support assembly; 42. reserving a plate; 51. a rack and pinion assembly; 52. a clamp butt-joint block; 53. running the guide rail;

61. a motor; 62. a first transmission shaft; 63. a first gear; 64. a driving pulley; 65. a synchronous belt; 66. a driven pulley; 67. a second gear; 68. a second transmission shaft; 69. a roller bearing; 610. a plug pin docking mechanism; 611. a tank chain; 612. a rack; 613. a card slot; 614. and moving the assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Fig. 1-9 illustrate some embodiments according to the invention.

As shown in fig. 1 and 3, the multi-vehicle type switching system of the body-in-white welding fixture of the present invention includes a sliding table base 1, a fixture driving module, a fixture storage module, and a work position positioning module 9, wherein the fixture driving module moves on the sliding table base to move the welding fixture 3 in the fixture storage module to the work position positioning module.

Specifically, slip table base 1 fixed mounting is in workshop ground, including fixed baseplate, X to the motion bear guide rail and drive rack, comprises standard modularization subassembly, can realize that 500mm integral multiple arbitrary length is built.

As shown in fig. 5, the fixture storage module is composed of a plurality of fixed bearing mechanisms 4, each fixed bearing mechanism comprises a fixed base, a foot margin adjusting assembly, a roller bearing supporting assembly 41 and a reserved plate 42 for installing a storehouse position motor driving assembly, and the fixed bearing mechanisms 4 can be arranged on two sides of the sliding table base 1 according to layout requirements and used for storing welding fixtures 3 to be used of various vehicle types.

As shown in fig. 1, the working position positioning module 9 can be disposed at an end portion (as shown in fig. 1 and 3) or an intermediate position (as shown in fig. 9) of the sliding table base 1 according to layout requirements, and includes: two sets of location bolt mechanisms, 4 groups or 6 groups Z support roller assemblies, and location bolt mechanism is used for welding the X, Y orientation fine positioning of clamping apparatus 3, fixes a position welding clamping apparatus 3 that has switched to the work position, prevents to weld the clamping apparatus during operation and removes at will.

As shown in fig. 1, fig. 3 and fig. 9, the fixture driving module includes a fast switching cart 2 and a dumping cart 10 for pulling the welding fixture 3 to move in the X direction, and a transplanting fork mechanism 6 or a warehouse position driving mechanism 5 for pulling the welding fixture to move in the Y direction, wherein the dumping cart 10 is disposed on the sliding table base 1 and located on one side of the fast switching cart 2.

As shown in fig. 4, the fast switching cart 2 includes two sets of positioning pins 21 for positioning the welding fixture 3, a roller bearing assembly 22 for carrying the welding fixture, a fast plug module 24 for supplying power and gas to the welding fixture, a motor driving module for driving the cart to move along the X direction, a cart type detection module 23, a walking guide roller bearing assembly 25 for carrying the cart and the welding fixture 3, and a mounting position reserved for driving the transplanting fork mechanism of the welding fixture to move in the Y direction.

Specifically, as shown in fig. 1 and 2, when the multi-vehicle type switching system uses the magazine driving mechanism 5 to replace the welding jig 3, a magazine driving mechanism 5 is provided on each fixed carrying mechanism 4 of the jig storage module, and the welding jig is placed on the magazine driving mechanism 5, and at this time, the transplanting fork mechanism 6 is not provided on the quick switching cart 2.

Wherein, storehouse position actuating mechanism 5 can dock with the drag bearing on welding fixture 3, can be with welding fixture 3 of placing on fixed bearing mechanism 4 along Y to carrying to fast switch over dolly 2 on, realize welding fixture's Y to the motion switching.

As shown in fig. 2, the storage position driving mechanism 5 includes a driving motor, a rack and pinion assembly 51, a driving assembly running guide rail 53, a guide rail protecting cover, a detection switch, an energy supply system, a clamp butt joint block 52 (towing hook), and the like, and drives the rack and pinion assembly 51 to move through the driving motor, so as to drive a clamp placed on the clamp butt joint block 52 to move, and move the welding clamp to the fast switching cart 2.

Specifically, as shown in fig. 3, 4, and 6, when the transplanting fork mechanism 6 is used as the Y-direction movement driving component, the transplanting fork mechanism 6 is installed on the quick-change carriage 2, and at this time, the magazine driving mechanism 5 is not provided on the fixed carrying mechanism 4, and only the support rod, the guide rod, and the positioning pin for placing the welding jig 3 are provided.

As shown in fig. 7 and 8, the transplanting fork mechanism 6 includes a fixing component, a motor 61, a rack-and-pinion transmission mechanism, and a moving component 614, wherein a row of roller bearings 69 is disposed on a side surface of the fixing component, a slot 613 is disposed on an inner side surface of the moving component 614, and the moving component 614 runs on the roller bearings 69 on the fixing component through the slot 613, so as to achieve the purpose of driving the welding fixture 3 placed on the moving component 614 to switch.

The gear rack transmission mechanism comprises a first gear 63 and a rack 612, the first gear 63 is mounted on a first transmission shaft 62, the first transmission shaft 62 is in transmission connection with the motor 61, the rack 612 is arranged at the lower end of the moving assembly 614 and is in gear engagement with the first gear 63, the first gear 63 on the first transmission shaft 62 is driven to rotate through the motor 61, the moving assembly 614 moves horizontally along with the rack, and the welding fixture 3 placed on the upper side of the moving assembly 614 is moved to the quick switching trolley 2.

As shown in fig. 7, the rack-and-pinion transmission mechanism further includes a second gear 67 engaged with the rack 612, and the first gear 63 is connected to the second gear 67 through a synchronous belt mechanism; the synchronous belt mechanism comprises a driving pulley 64 connected with the first transmission shaft 62, a driven pulley 66 connected with the second transmission shaft and a synchronous belt 65, the second gear 67 is installed on the second transmission shaft 68, and the first gear 63 is linked with the second gear 67 through transmission of the synchronous belt mechanism.

The center distance between the first gear 63 and the second gear 67 is an integral multiple of the pitch of the rack 612, so that the rack 612 can be simultaneously meshed with the first gear 63 and the second gear 67, or can be separated from one of the gears, and the other gear provides driving force, so that the two-layer structure achieves larger stroke.

As shown in fig. 7, the transplanting fork mechanism 6 further includes two sets of pin docking mechanisms 610 for mounting the welding fixture 3 on the moving assembly 614, and a tank chain 611 for supplying power and gas to the moving assembly 614, and the two sets of pin docking mechanisms 610 can be docked with the two sets of tools at the same time, so as to realize the function of fast moving and switching.

Therefore, the switching system of the invention can be suitable for a warehouse motor driving mode scheme and a transplanting fork driving mode scheme, the two schemes have interchangeability and universality, and a user can select the schemes according to the layout and project requirements.

In an embodiment, as shown in fig. 1, 3, and 9, the above multi-vehicle type switching system for the welding fixture for the body in white further includes a vehicle type importing module, the vehicle type importing module includes a ground guiding mechanism 8 and an offline trolley 7, the ground guiding mechanism 8 is disposed at one end of the sliding table base 1, the offline trolley 7 is disposed outside the ground guiding mechanism 8, and the offline trolley 7 is butted with the ground guiding mechanism 8, so that the welding fixture 3 for the new vehicle type reserved in the planning stage can be moved to one end of the sliding table base 1 to replace the welding fixture 3 already placed on the fixed bearing mechanism 4.

The realization principle and the working process of the multi-vehicle type switching system of the welding fixture are as follows: positioning pins on the fast switching trolley 2 extend out of the positioning fixture, X drives the fast switching trolley 2 to move to a first row of fixed bearing mechanisms 4 on the sliding table base 1 along X direction to the driving assembly, Y sends welding fixtures 3 on the fast switching trolley 2 to the vacant fixed bearing mechanisms 4 to the driving mechanism (transplanting fork mechanism or warehouse position driving mechanism), meanwhile, the welding fixtures 3 of the models to be switched are sent to the fast switching trolley 2, and then the fast switching trolley 2 conveys the welding fixtures 3 of the new models to a working position positioning module 9 to wait for production.

When the fast switching trolley 2 moves the welding fixture to the working position, the warehouse-reversing trolley 10 can convey the welding fixture 3 of the vehicle type to be produced on the second row to the Nth row of fixed bearing mechanisms 4 to the first row of empty fixed bearing mechanisms 4, convey the welding fixture 3 of the vehicle type without the production plan to the back row of empty fixed bearing mechanisms 4, reduce the moving distance of the fast switching trolley, enable the welding fixture 3 of the vehicle type to be produced to be fast moved to the working position, and improve the production efficiency.

The motorcycle type of present planning overall arrangement has been full load, when still need increasing new style motorcycle type, can use 7 butt joint slip table bases 1 of the dolly of inserting the production line, with last row of fixed bearing mechanism 4 go up anchor clamps and lead to 7 on the dolly of inserting the production line, with leading-in last row of anchor clamps storage module of latest motorcycle type anchor clamps again to reach flexible collinear effect.

The multi-vehicle type switching system of the welding fixture further has the following advantages:

1. the switching library system of the invention combines two switching forms into a whole, thereby achieving very high universality and interchangeability, and the established standard can still be directly replaced and used when the equipment is moved.

2. The transplanting fork mechanism switching mode reduces the manufacturing cost of the system, has a simple structure, is more convenient for equipment maintenance, and improves the utilization ratio of the equipment.

3. The butt joint tooling device consisting of the bolt component on the transplanting fork mechanism and the pin sleeve arranged below the welding fixture can simultaneously butt joint two fixtures for switching and the application of the warehouse-reversing trolley achieves the function of quick switching.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a white automobile body welds clamping apparatus multi-vehicle type switched systems which characterized in that includes:

the sliding table base (1) is provided with an X-direction movement bearing guide rail;

the fixture storage module comprises a plurality of fixed bearing mechanisms (4) arranged on two sides of the sliding table base (1), and the fixed bearing mechanisms (4) are used for placing welding fixtures (3) to be switched;

a fast switching trolley (2) arranged on the sliding table base (1) and used for driving the welding fixture (3) to move towards the X direction,

the working position positioning modules (9) are arranged on two sides of the sliding table base (1) and are used for performing final positioning on the welding fixture (3) before working; and

also comprises a transplanting fork driving mechanism (6) and a storehouse position driving mechanism (5) which are selected and matched, correspondingly, the switching system works in a transplanting fork driving mode and a storehouse position driving mode alternatively,

the fast switching trolley is characterized in that the transplanting fork mechanism (6) arranged on the fast switching trolley (2) moves the welding fixture (3) on the fixed bearing mechanism (4) to the fast switching trolley (2) along the Y direction in a transplanting fork driving mode, the warehouse position driving mechanism (5) arranged on the fixed bearing mechanism (4) moves the welding fixture (3) on the fixed bearing mechanism (4) to the fast switching trolley (2) along the Y direction in a warehouse position driving mode, and then the fast switching trolley (2) moves to a working position positioning module (9) along the X direction to realize fast switching of the multi-vehicle type welding fixture.

2. The multi-vehicle type switching system of the body-in-white welding fixture as claimed in claim 1, further comprising a ground guide mechanism (8) disposed at one end of the sliding table base (1), and an off-line trolley (7) disposed outside the ground guide mechanism (8).

3. The multi-vehicle type switching system of the body-in-white welding fixture as claimed in claim 1, further comprising a dumping car (10) disposed on the sliding table base (1) and located on one side of the fast switching car (2).

4. The multi-vehicle type switching system of the body-in-white welding fixture as claimed in claim 1, wherein the fast switching trolley (2) comprises two sets of positioning pins (21), a roller bearing assembly (22), a fast insertion module (24), a motor driving module, a vehicle type detection module (23), a walking guide roller bearing assembly (25) and a mounting position of a transplanting fork mechanism reserved for driving the welding fixture to move in a Y direction.

5. The multi-vehicle type switching system of the body-in-white welding jig according to claim 1, wherein the transplanting fork mechanism (6) comprises a fixed assembly, a motor (61), a rack and pinion transmission mechanism, and a moving assembly (614).

6. The multiple vehicle type switching system for body-in-white welding jigs as claimed in claim 5, wherein a row of roller bearings (69) are provided on the side of the fixed member, and a catching groove (613) for engaging with the roller bearings (69) is provided on the inner side of the moving member (614).

7. The multi-vehicle type switching system for the body-in-white welding jig according to claim 5, wherein the rack-and-pinion transmission mechanism comprises a first gear (63) and a second gear (67) which are arranged on the fixed assembly, and a rack (612) which is arranged on the sliding assembly, wherein the first gear (63) and the second gear (67) realize synchronous rotation through a synchronous belt mechanism.

8. The multiple-vehicle-type switching system of the body-in-white welding jig as claimed in claim 7, wherein the center distance between the first gear (63) and the second gear (67) is integral multiple of the pitch of the rack (612), so that the rack (612) is meshed with at least one of the first gear (63) and the second gear (67).

9. The multi-vehicle type switching system for body-in-white welding jigs as claimed in claim 5, wherein said transplanting fork mechanism (6) further comprises two sets of pin docking mechanisms (610) provided on the moving assembly (614) for mounting the welding jigs (3).

10. The multiple-vehicle-type switching system of the body-in-white welding fixture according to claim 1, wherein the fixed bearing mechanism (4) comprises a fixed base, a foot adjusting assembly, a roller bearing supporting assembly (41), and a reserved plate (42) for installing a garage motor driving assembly.