CN213053539U

CN213053539U - Flexible switching device for automobile welding production line

Info

Publication number: CN213053539U
Application number: CN202021864908.4U
Authority: CN
Inventors: 宋文; 李慎国; 胡杰; 鄢建军; 戴伟
Original assignee: Jiangxi Jiangling Group New Energy Automobile Co Ltd
Current assignee: Jiangxi Jiangling Group New Energy Automobile Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-27
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a flexible switching device of an automobile welding production line, which relates to the technical field of automobile production equipment, and also comprises a translation mechanism, wherein the translation mechanism comprises a translation guide rail and a translation trolley, the translation guide rail is laid on the ground, and the translation trolley moves along the translation guide rail; a plurality of storage mechanisms for storing welding clamps of various vehicle types are respectively arranged on two sides of the translation mechanism, each storage mechanism comprises a storage guide rail and a storage trolley, the storage guide rails are laid on the ground, and the storage trolley moves along the storage guide rails; a first conveying mechanism is arranged on the translation trolley, a second conveying mechanism is arranged on the storage trolley, and the welding fixture moves along the first conveying mechanism and the second conveying mechanism. The utility model has the advantages that: under the mutually supporting of second conveying mechanism and first conveying mechanism, the transportation process of welding the anchor clamps will become very convenient, has effectively improved the production efficiency of car welding process.

Description

Flexible switching device for automobile welding production line

Technical Field

The utility model relates to an automobile production equipment technical field, concretely relates to flexible auto-change over device of car welding production line.

Background

In the existing automobile manufacturing enterprises, in order to meet the condition that a plurality of automobile models are produced simultaneously, a production mode that one automobile model is provided with an independent production line is generally adopted, different automobile model production lines are respectively provided with the same mechanical and electrical welding equipment, and the mode of manually carrying a welding fixture is adopted to realize the model changing production of the automobile model, so that the production mode occupies a large area and has large project investment.

Based on this, the flexible switching device to the car welding production line has just appeared in the automobile manufacturing field, and it realizes the flexible switching of each motorcycle type welding anchor clamps through the device. Among the prior art, auto-change over device is including being used for carrying the conveying mechanism who welds the clamping apparatus for store the mechanism that stores that welds the clamping apparatus, because conveying mechanism and store lack good interactive transfer ability between the mechanism, store and store that the welding on the mechanism clamping apparatus very inconvenient immigration is to conveying mechanism on, weld the clamping apparatus on the conveying mechanism and also be difficult to immigration on the mechanism that stores, consequently weld the transfer process of clamping apparatus very inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide an automobile welding production line flexible switching device aims at solving among the prior art conveying mechanism and stores and lack good interactive shipment ability between the mechanism, leads to welding the inconvenient technique of clamping device transportation not enough.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a flexible switching device for an automobile welding production line comprises a PLC (programmable logic controller), a vehicle type sensor identification system and a robot welding mechanism, and further comprises a translation mechanism, wherein the translation mechanism comprises a translation guide rail and a translation trolley, the translation guide rail is laid on the ground, and the translation trolley moves along the translation guide rail; a plurality of storage mechanisms for storing welding clamps of various vehicle types are respectively arranged on two sides of the translation mechanism, each storage mechanism comprises a storage guide rail and a storage trolley, the storage guide rails are laid on the ground, and the storage trolley moves along the storage guide rails; the automatic storage and conveying device is characterized in that a first conveying mechanism is arranged on the translation trolley, a second conveying mechanism is arranged on the storage trolley, and the welding fixture moves along the first conveying mechanism and the second conveying mechanism.

Compared with the prior art, the beneficial effects of the utility model reside in that: the storage mechanism for storing the welding fixture is arranged on the two sides of the translation mechanism respectively, the translation trolley of the translation mechanism is provided with a first conveying mechanism for transferring the welding fixture, the storage trolley of the storage mechanism is provided with a second conveying mechanism for transferring the welding fixture, and the transfer process of the welding fixture is very convenient under the mutual matching of the second conveying mechanism and the first conveying mechanism, so that the production efficiency of the automobile welding process is effectively improved.

In the technical scheme, the translation trolley comprises four first side plates, the four first side plates are enclosed to form a first trolley inner cavity, and two groups of first travelling wheel groups which are parallel to each other are arranged at the bottom of the first trolley inner cavity; every group first walking wheelset all includes first axis body and locates the first walking wheel at first axis body both ends, the both ends of first axis body rotate respectively and are connected to the front and back both sides first curb plate, arbitrary one the fixed first driven gear that is equipped with of one end of first axis body closes on first driven gear be equipped with first platform truck motor on the first curb plate, be equipped with first driving gear on the motor shaft of first platform truck motor, first driving gear with first driven gear intermeshing.

In the above technical scheme, the first conveying mechanism includes a plurality of first conveying shafts arranged in parallel, two ends of each first conveying shaft are respectively rotatably connected to the first side plates on the left and right sides, a plurality of first conveying wheels are arranged on each first conveying shaft at intervals, a first gear is arranged at a position on each first conveying shaft which is opposite to the front and back of the first conveying shaft, a first motor is fixedly arranged on the first side plate or the first side plate on the front side, and a first transmission belt is wound on the outer surface of each first gear and connected to an output shaft of the first motor.

In the above technical solution, the translation trolley further includes a first cover plate for closing an inner cavity of the first trolley, the first cover plate is provided with a plurality of first through holes in a penetrating manner, the number of the first through holes corresponds to the number of the first conveying wheels, and each first through hole is opposite to the upper and lower position of each first conveying wheel; at least part of the first conveying wheel penetrates through the first through hole.

In the technical scheme, the storage trolley comprises four second side plates, the four second side plates are enclosed to form a second trolley inner cavity, and two groups of second traveling wheel groups which are parallel to each other are arranged at the bottom of the second trolley inner cavity; every group the second walking wheelset all includes the secondary shaft body and locates the second walking wheel at secondary shaft body both ends, the both ends of the secondary shaft body rotate respectively and are connected to the left and right sides the second curb plate, arbitrary one the fixed second driven gear that is equipped with of one end of the secondary shaft body closes on the second driven gear be equipped with the second platform truck motor on the second curb plate, be equipped with the second driving gear on the motor shaft of second platform truck motor, the second driving gear with second driven gear intermeshing.

In the technical scheme, the second conveying mechanism comprises a plurality of second conveying shafts which are arranged in parallel, two ends of each second conveying shaft are respectively and rotatably connected to the second side plates on the left side and the right side, a plurality of second conveying wheels are arranged on each second conveying shaft at intervals, a second gear is arranged at a position, opposite to each other, of each second conveying shaft in the front-back direction, a second motor is fixedly arranged on the second side plate on the front side or the second side plate on the rear side, and a second transmission belt is wound on the outer surface of each second gear and connected to an output shaft of the second motor.

In the above technical solution, the storage trolley further comprises a second cover plate for closing an inner cavity of the second trolley, the second cover plate is provided with a plurality of second through holes in a penetrating manner, the number of the second through holes corresponds to the number of the second conveying wheels, and each second through hole is opposite to the upper and lower position of each second conveying wheel; at least part of the second conveying wheel penetrates through the second through hole.

In the technical scheme, two groups of storage mechanisms are respectively arranged on two sides of the translation mechanism, and the two groups of storage mechanisms are symmetrically arranged along the longitudinal axis of the translation mechanism.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is the embodiment of the utility model provides an in the embodiment flexible auto welding production line auto welding switching device's schematic structure diagram.

Fig. 2 is the embodiment of the utility model provides an in the embodiment a partial structure schematic diagram of flexible auto-welding production line auto-welding switching device.

Fig. 3 is a schematic structural view of the translation trolley according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of the storage trolley in the embodiment of the present invention.

Fig. 5 is the embodiment of the utility model provides an in-service behavior sketch map of flexible auto-parts welding production line.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-5, an embodiment of the present invention provides a flexible switching device for a welding production line of an automobile, which includes a PLC controller, a vehicle type sensor recognition system and a robot welding mechanism.

In order to realize the flexible switching of the automobile welding production line, the flexible switching device comprises a translation mechanism 10 used for moving welding fixtures of various automobile types, two sets of storage mechanisms 20 used for storing the welding fixtures of various automobile types are respectively arranged on two sides of the translation mechanism 10, and the two sets of storage mechanisms 20 are symmetrically arranged along the longitudinal axis of the translation mechanism 10. When a welding fixture of a certain vehicle type is needed, the loading and transporting process of the welding fixture is realized through the mutual matching of the translation mechanism 10 and the storage mechanism 20.

The following description of the translation mechanism 10 is made in detail: the translation mechanism 10 comprises a translation guide rail 13 and a translation trolley 11, the translation guide rail 13 is laid on the ground, and the translation trolley 11 moves along the translation guide rail 13; the translation trolley 11 is installed in such a way, the translation trolley 11 comprises four first side plates 110, the four first side plates 110 enclose to form a first trolley inner cavity 111, and two groups of first traveling wheel groups 112 which are parallel to each other are arranged at the bottom of the first trolley inner cavity 111; each first traveling wheel set 112 includes a first axle 113 and first traveling wheels 114 disposed at two ends of the first axle 113, two ends of the first axle 113 are respectively rotatably connected to the first side plates 110 at the front and rear sides, a first driven gear 115 is fixedly disposed at one end of any one of the first axles 113, a first trolley motor 116 is disposed on the first side plate 110 adjacent to the first driven gear 115, a first driving gear 117 is disposed on a motor shaft of the first trolley motor 116, and the first driving gear 117 is engaged with the first driven gear 115.

In this embodiment, the first carriage motor 116 is installed on the front side plate of the translation carriage 11, the output shaft of the first carriage motor 116 is provided with a first driving gear 117, and when the first carriage motor 116 operates, the first driving gear 117 is engaged with the first driven gear 115, so that the rotation of the first shaft 113 (the first traveling wheel set 112) can be rapidly and effectively driven, and the translation carriage 11 moves left or right along the translation guide rail 13.

In order to facilitate the driving of the movement of the welding fixture, a first conveying mechanism is arranged on the translation trolley 11, the first conveying mechanism is mainly used for butting the welding fixture entering from the storage trolley 21 and conveying the welding fixture on the translation trolley 11 into the storage trolley 21, and the first conveying mechanism plays a very good driving and guiding role in the welding fixture.

Specifically, the first conveying mechanism includes a plurality of first conveying shafts 120 arranged in parallel, two ends of each first conveying shaft 120 are respectively rotatably connected to the first side plates 110 on the left and right sides, a plurality of first conveying wheels 121 are arranged on each first conveying shaft 120 at intervals, a first gear 122 is arranged at a position on each first conveying shaft 120 which is opposite to the front and back, a first motor 123 is fixedly arranged on the first side plate 110 on the left side, and a first transmission belt 124 is wound on the outer surface of each first gear 122 and connected to an output shaft of the first motor 123. When the first motor 123 is operated, the rotation of each first conveying shaft 120 (the first conveying wheel 121) can be driven through the first transmission belt 124, so that the movement of the welding jig is driven.

In order to avoid damage to the transmission components in the first trolley inner cavity 111, in this embodiment, the translation trolley 11 further includes a first cover plate 118 for closing the first trolley inner cavity 111, the first cover plate 118 is provided with a plurality of first through holes 119 in a penetrating manner, the number of the first through holes 119 corresponds to the number of the first conveying wheels 121, and each first through hole 119 is opposite to the upper and lower position of each first conveying wheel 121; at least a portion of the first conveying wheel 121 is disposed through the first through hole 119, and thus, the conveying function of the first conveying wheel 121 is not limited.

In the production process of car, receive the workshop condition restriction, can have the condition that the motorcycle type mixes the line production usually in the welding production line, in this embodiment for this car welding production line possesses certain flexible switching ability, is equipped with two sets of storehouse mechanisms 20 that are used for storing each motorcycle type welding anchor clamps respectively in translation mechanism 10's both sides, and four sets of storehouse mechanisms 20 can be used to place the required welding anchor clamps of four different motorcycle types.

For convenience of description, the reservoir mechanism 20 shown in the upper left corner of the drawings will be described in detail below: the storage mechanism 20 includes a storage guide rail 23 and a storage trolley 21, the storage guide rail 23 is laid on the ground, the storage trolley 21 moves along the storage guide rail 23, and the welding jig is placed on the storage trolley 21. Wherein the store trolley 21 is arranged such that: the storage trolley 21 comprises four second side plates 210, the four second side plates 210 enclose to form a second trolley inner cavity 211, and two groups of second travelling wheel groups 212 which are parallel to each other are arranged at the bottom of the second trolley inner cavity 211; each set of second traveling wheel set 212 includes a second shaft 213 and second traveling wheels disposed at two ends of the second shaft 213, two ends of the second shaft 213 are rotatably connected to the second side plates 210 on the left and right sides, one end of any second shaft 213 is fixedly disposed with a second driven gear 215, a second trolley motor 216 is disposed on the second side plate 210 adjacent to the second driven gear 215, a second driving gear 217 is disposed on a motor shaft of the second trolley motor 216, and the second driving gear 217 is engaged with the second driven gear 215.

In this embodiment, the second carriage motor 216 is mounted on the right side plate of the store carriage 21, the output shaft of the second carriage motor 216 is provided with a second driving gear 217, and when the second carriage motor 216 operates, the second driving gear 217 is engaged with the second driven gear 215, so that the second shaft 213 (the second traveling wheel set 212) can be driven to rotate rapidly and efficiently, and the store carriage 21 moves forward or backward along the storage guide rail 23.

In order to facilitate the driving of the movement of the welding fixture, a second conveying mechanism 22 is arranged on the storage trolley 21, and is mainly used for butting the welding fixture entering from the translation trolley 11 and conveying the welding fixture on the storage trolley 21 into the translation trolley 11, and the second conveying mechanism 22 plays a very good driving and guiding role on the welding fixture.

Specifically, the second conveying mechanism 22 includes a plurality of second conveying shafts 220 arranged in parallel, two ends of each second conveying shaft 220 are respectively rotatably connected to the second side plates 210 on the left and right sides, a plurality of second conveying wheels 221 are arranged on each second conveying shaft 220 at intervals, a second gear 222 is arranged at a position on each second conveying shaft 220 opposite to each other in the front-back direction, a second motor 223 is fixedly arranged on the second side plate 210 on the left side, and a second transmission belt 224 is wound on the outer surface of each second gear 222 and is connected to an output shaft of the second motor 223. When the second motor 223 is operated, the rotation of each second conveying shaft 220 (second conveying wheel 221) can be driven by the second transmission belt 224, thereby driving the movement of the welding jig.

In order to avoid damage to the transmission components in the second cart inner cavity 211, in this embodiment, the storage cart 21 further includes a second cover 218 for closing the second cart inner cavity 211, the second cover 218 is provided with a plurality of second through holes 219, the number of the second through holes 219 corresponds to the number of the second conveying wheels 221, and each second through hole 219 is opposite to the upper and lower position of each second conveying wheel 221; at least a portion of the second feeding wheel 221 is disposed through the second through-hole 219, and thus, the feeding function of the first feeding wheel 121 is not limited.

In this embodiment, the working process of the flexible switching device for the automobile welding production line is as follows: when a framework of a certain type is required to be welded, the translation trolley 11 moves to a position opposite to the storage mechanism 20 along the translation guide rail 13, the second trolley motor 216 drives the storage trolley 21 loaded with the welding fixture to move towards one side of the translation trolley 11, at the moment, the second motor 223 drives the second conveying wheel 221 to rotate, so that the welding fixture moves towards one side of the translation trolley 11, the first motor 123 and the second motor 223 operate in the same direction to drive the first conveying wheel 121 to rotate, therefore, the welding fixture on the storage trolley gradually moves to the position above the translation trolley 11, when the welding fixture moves to a limit position on the translation trolley 11, the first motor 123 and the second motor 223 stop rotating, the first trolley motor 116 drives the translation trolley 11 loaded with the welding fixture to move towards an initial position, and after the translation trolley 11 reaches the initial position, the first trolley motor 116 stops rotating, the welding fixture can normally act on the welding operation of the automobile.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a flexible auto-change over device of car welding production line, includes the PLC controller, motorcycle type sensor identification system and robot welding mechanism, its characterized in that: the flexible switching device further comprises a translation mechanism, the translation mechanism comprises a translation guide rail and a translation trolley, the translation guide rail is laid on the ground, and the translation trolley moves along the translation guide rail; a plurality of storage mechanisms for storing welding clamps of various vehicle types are respectively arranged on two sides of the translation mechanism, each storage mechanism comprises a storage guide rail and a storage trolley, the storage guide rails are laid on the ground, and the storage trolley moves along the storage guide rails; the automatic storage and conveying device is characterized in that a first conveying mechanism is arranged on the translation trolley, a second conveying mechanism is arranged on the storage trolley, and the welding fixture moves along the first conveying mechanism and the second conveying mechanism.

2. The flexible switching device of the automobile welding production line according to claim 1, characterized in that: the translation trolley comprises four first side plates, the four first side plates are enclosed to form a first trolley inner cavity, and two groups of first travelling wheel groups which are parallel to each other are arranged at the bottom of the first trolley inner cavity; every group first walking wheelset all includes first axis body and locates the first walking wheel at first axis body both ends, the both ends of first axis body rotate respectively and are connected to the front and back both sides first curb plate, arbitrary one the fixed first driven gear that is equipped with of one end of first axis body closes on first driven gear be equipped with first platform truck motor on the first curb plate, be equipped with first driving gear on the motor shaft of first platform truck motor, first driving gear with first driven gear intermeshing.

3. The flexible switching device of the automobile welding production line according to claim 2, characterized in that: the first conveying mechanism comprises a plurality of first conveying shafts arranged in parallel, two ends of each first conveying shaft are respectively connected to the first side plates on the left side and the right side in a rotating mode, a plurality of first conveying wheels are arranged on each first conveying shaft at intervals, a first gear is arranged at a position, opposite to each other, of the first conveying shaft in the front-back direction, a first motor is fixedly arranged on each first side plate or the rear side, and a first transmission belt is wound on the outer surface of each first gear and connected to an output shaft of the first motor.

4. The flexible switching device of the automobile welding production line according to claim 3, characterized in that: the translation trolley also comprises a first cover plate used for sealing the inner cavity of the first trolley, a plurality of first through holes are arranged in the first cover plate in a penetrating mode, the number of the first through holes is consistent with that of the first conveying wheels, and each first through hole is opposite to the upper position and the lower position of each first conveying wheel; at least part of the first conveying wheel penetrates through the first through hole.

5. The flexible switching device of the automobile welding production line according to claim 1, characterized in that: the storage trolley comprises four second side plates, the four second side plates are enclosed to form a second trolley inner cavity, and two groups of second travelling wheel groups which are parallel to each other are arranged at the bottom of the second trolley inner cavity; every group the second walking wheelset all includes the secondary shaft body and locates the second walking wheel at secondary shaft body both ends, the both ends of the secondary shaft body rotate respectively and are connected to the left and right sides the second curb plate, arbitrary one the fixed second driven gear that is equipped with of one end of the secondary shaft body closes on the second driven gear be equipped with the second platform truck motor on the second curb plate, be equipped with the second driving gear on the motor shaft of second platform truck motor, the second driving gear with second driven gear intermeshing.

6. The flexible switching device of the automobile welding production line according to claim 5, characterized in that: the second conveying mechanism comprises a plurality of second conveying shafts arranged in parallel, two ends of each second conveying shaft are respectively rotatably connected to the second side plates on the left side and the right side, a plurality of second conveying wheels are arranged on each second conveying shaft at intervals, a second gear is arranged at a position, opposite to the front and the back, of each second conveying shaft, a second motor is fixedly arranged on the second side plate on the front side or the back side, and a second transmission belt is wound on the outer surface of each second gear and connected to an output shaft of the second motor.

7. The flexible switching device of the automobile welding production line according to claim 6, characterized in that: the storage trolley also comprises a second cover plate used for sealing the inner cavity of the second trolley, a plurality of second through holes are arranged in the second cover plate in a penetrating mode, the number of the second through holes is consistent with that of the second conveying wheels, and each second through hole is opposite to the upper position and the lower position of each second conveying wheel; at least part of the second conveying wheel penetrates through the second through hole.

8. The flexible switching device of the automobile welding production line according to claim 1, characterized in that: two sets of the storage mechanisms are respectively arranged on two sides of the translation mechanism, and the two sets of the storage mechanisms are symmetrically arranged along the longitudinal axis of the translation mechanism.