CN211840686U - Automatic welding equipment for end wall of railway wagon - Google Patents
Automatic welding equipment for end wall of railway wagon Download PDFInfo
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- CN211840686U CN211840686U CN201922443735.2U CN201922443735U CN211840686U CN 211840686 U CN211840686 U CN 211840686U CN 201922443735 U CN201922443735 U CN 201922443735U CN 211840686 U CN211840686 U CN 211840686U
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Abstract
The utility model discloses a railway freight car headwall automatic weld equipment, include: the welding gantry comprises a gantry walking track, a walking gantry and a welding robot; the pressing mechanism is used for pressing and positioning the end wall to be welded; the turnover mechanism comprises a first rotary motion mechanism, a second rotary motion mechanism and a terminal clamp, wherein the rotary central shaft of the first rotary motion mechanism is arranged along the vertical direction, the rotary central shaft of the second rotary motion mechanism is arranged along the second horizontal direction, the second rotary motion mechanism is arranged at the motion output end of the first rotary motion mechanism, the terminal clamp is arranged at the motion output end of the second rotary motion mechanism, and the terminal clamp is used for connecting a clamping end wall to be welded. The automatic welding equipment can complete full-automatic operation of welding and overturning at the welding station, saves the occupation of the overturning station and the site, and has high automation degree and uniform and reliable product quality.
Description
Technical Field
The utility model relates to a welding equipment technical field, in particular to railway freight car headwall automatic weld equipment.
Background
The end wall is an important component of the whole wagon body, and the structure of the end wall is mostly formed by welding plates and profiles together. The existing end wall welding process is divided into four stations, including front and back assembling and front and back welding. After the front side is welded, an overturning station needs to be independently arranged, the end wall is returned to the overturning station to be overturned, so that the occupation of the station and the site is increased, the operation continuity is poor, and the efficiency is low. In addition, the front and back sides of the existing end wall are welded by special welding machines, so that the automation degree is reduced, the number of operators is increased, the process level depends on the experience of the operators and is varied, and the quality of products and the personnel safety are greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's not enough, the utility model provides a railway freight car headwall automatic weld equipment can accomplish the full automatization operation of welding and upset in the welding station, practices thrift the upset station and occupy with the place, and degree of automation is high, product quality is unified reliable.
The utility model provides a railway freight car headwall automatic weld equipment, include:
the welding gantry assembly comprises a gantry walking track, a walking gantry and a welding robot, wherein the walking gantry can walk on the gantry walking track in a linear reciprocating manner along a first horizontal direction, the welding robot can walk on the walking gantry in a linear reciprocating manner along a second horizontal direction, and the first horizontal direction is vertical to the second horizontal direction;
the pressing mechanism is used for pressing and positioning the end wall to be welded;
the turnover mechanism comprises a first rotary motion mechanism, a second rotary motion mechanism and a terminal clamp, wherein the rotary central shaft of the first rotary motion mechanism is arranged along the vertical direction, the rotary central shaft of the second rotary motion mechanism is arranged along the second horizontal direction, the second rotary motion mechanism is arranged at the motion output end of the first rotary motion mechanism, the terminal clamp is arranged at the motion output end of the second rotary motion mechanism, and the terminal clamp is used for connecting and clamping the end wall to be welded.
Optionally, the walking gantry comprises a gantry beam and two gantry columns supported at two ends of the gantry beam, the gantry beam is provided with a robot walking track extending along the second horizontal direction, the welding robot linearly reciprocates along the robot walking track, and the two gantry columns can linearly reciprocate on the gantry walking track respectively along the first horizontal direction.
Optionally, a gantry pressure head and a driving element for driving the gantry pressure head to move up and down are arranged on the gantry beam, and the gantry pressure head is used for pressing the uneven part of the end wall to be welded downwards.
Optionally, the number of the gantry columns is equal to that of the gantry walking tracks, and the gantry columns and the gantry walking tracks correspond to each other one by one.
Optionally, the pressing mechanism assembly comprises an adjusting base, a front fulcrum seat and a rear fulcrum seat are arranged on the adjusting base, a swing rod is arranged on the front fulcrum seat, the swing rod is hinged to the front fulcrum seat and provided with a pressing head, and a telescopic cylinder is arranged on the rear fulcrum seat and used for driving the swing rod to swing.
Optionally, the second rotary motion mechanism includes two sub-rotary mechanisms symmetrically distributed and a synchronizing shaft for connecting the two sub-rotary mechanisms, the sub-rotary mechanisms include a main rotary motor, the end clamp includes a main clamping plate driven by the main rotary motor to rotate, output shafts of the main rotary motors of the two sub-rotary mechanisms are connected by the synchronizing shaft, and a rotary central shaft of the main clamping plate is arranged along the second horizontal direction.
Optionally, the sub-rotating mechanism further includes an auxiliary rotating motor, the terminal fixture further includes an auxiliary clamping plate driven by the auxiliary rotating motor to rotate, a rotating central shaft of the auxiliary clamping plate is arranged along the second horizontal direction, and the main clamping plate and the auxiliary clamping plate clamp the end wall to be welded from the upper side and the lower side of the end wall to be welded.
Optionally, the first rotating mechanism is a turntable.
Optionally, the welding device further comprises a conveying mechanism for conveying the end wall to be welded.
Optionally, the conveying mechanism assembly comprises a plurality of chain conveyors, and the chain conveyors are respectively located at two sides of the turnover mechanism assembly.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
a welding gantry assembly, a pressing mechanism assembly and a turnover mechanism assembly are arranged at the same station, and the free walking of the walking gantry drives the automatic displacement of the welding robot, so that the welding robot can freely perform welding operation on each part of the end wall; the turnover mechanism is formed after the front side of the end wall is welded, the turnover mechanism can directly carry out turnover operation on the end wall at a welding station, and then a welding robot executes welding operation on the back side of the end wall;
according to the technical scheme, on one hand, a turning station is not required to be independently arranged, the occupied field required by the original process and the time consumption of transmission among different stations are saved, and the operation continuity and the production efficiency are improved; on the other hand, the automation degree of the welding operation process is greatly improved, the number and the intervention degree of operators are reduced, the production efficiency and the standardization level of the product quality are improved, and the personnel safety is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of an automatic welding device for end walls of a railway wagon according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a welding gantry assembly of the automatic welding equipment for end walls of the railway wagon in FIG. 1;
FIG. 3 is a schematic structural view of a hold-down mechanism of the automatic welding equipment for end walls of the railway wagon in FIG. 1;
fig. 4 is a schematic structural view of the turnover mechanism of the automatic welding equipment for end walls of the railway wagon in fig. 1.
Description of the main element symbols:
1-welding gantry assembly, 11-gantry walking track, 121-gantry upright post, 122-gantry beam, 123-robot walking track, 13-welding robot, 14-gantry pressure head, 15-driving element, 2-hold-down mechanism assembly, 21-adjusting base, 22-front support seat, 23-rear support seat, 24-swinging rod, 25-telescopic cylinder, 26-hold-down pressure head, 3-turnover mechanism assembly, 31-first rotary motion mechanism, 32-second rotary motion mechanism, 321-sub rotary mechanism, 321 a-main rotary motor, 321 b-auxiliary rotary motor, 322-support seat, 331-main clamping plate, 332-auxiliary clamping plate and 4-chain conveyor.
Detailed Description
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. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the embodiment discloses a specific structure of an automatic welding device for end walls of a railway wagon, which comprises a welding gantry assembly 1, a pressing mechanism assembly 2 and a turnover mechanism assembly 3, and can complete full-automatic welding and turnover operations at a welding station, thereby saving occupation of a turnover station and a site, having high automation degree and uniform and reliable product quality.
The welding gantry assembly 1 is used for performing welding operation, has free moving capacity and can be distributed at each position of a welding station, and the aim of welding each position of an end wall is fulfilled.
Specifically, the welding gantry assembly 1 comprises a gantry walking track 11, a walking gantry and a welding robot 13. The walking gantry can linearly reciprocate on the gantry walking track 11 along the first horizontal direction to drive the welding robot 13 to realize linear reciprocating displacement along the first horizontal direction; the welding robot 13 can linearly reciprocate on the traveling gantry along a second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction and is located in the horizontal plane.
Thus, the welding robot 13 has two degrees of freedom of linear reciprocating motion in two directions, and can perform the welding work in each direction in accordance with the degree of freedom of motion thereof. It will be appreciated that the welding robot 13 may be directly available in commercially available universal models.
Exemplarily, the walking gantry comprises a gantry beam 122 and two gantry columns 121 supported at two ends of the gantry beam 122 to form a gantry structure. Wherein, the gantry beam 122 is provided with a robot walking track 123 extending along the second horizontal direction, and the welding robot 13 linearly reciprocates along the robot walking track 123; the two gantry columns 121 can respectively and linearly reciprocate on the gantry traveling rails 11 along the first horizontal direction, and it can be understood that the linear motion of the two gantry columns 121 along the first horizontal direction keeps synchronous.
Illustratively, the gantry beam 122 is provided with a gantry pressure head 14 and a driving element 15 for driving the gantry pressure head 14 to move up and down, and the gantry pressure head 14 is used for pressing down uneven parts of the end wall to be welded. Specifically, after the end wall to be welded is pressed and positioned by the pressing mechanism, unevenness may exist at individual parts of the end wall to be welded, and welding quality is affected. Driven by the driving element 15, the gantry ram 14 presses down to flatten the uneven part, so that the part reaches the required position, and the welding robot 13 can perform reliable welding on the uneven part. The drive element 15 is of a wide variety including air reservoir, hydraulic cylinder, electric push rod, etc.
Exemplarily, the gantry columns 121 are equal in number and correspond to the gantry traveling rails 11 one by one.
The pressing mechanism assembly 2 is used for pressing and positioning the end wall to be welded, so that all components of the end wall to be welded are kept at the current position and in an assembled state, and the position accuracy of the welding robot 13 during welding operation is guaranteed.
Exemplarily, the pressing mechanism assembly 2 includes an adjusting base 21, the adjusting base 21 is provided with a front fulcrum seat 22 and a rear fulcrum seat 23, the front fulcrum seat 22 is provided with a swing rod 24, the swing rod 24 is hinged on the front fulcrum seat 22 and is provided with a pressing pressure head 26, the rear fulcrum seat 23 is provided with a telescopic cylinder 25, and the telescopic cylinder 25 is used for driving the swing rod 24 to swing. Under the drive of the telescopic cylinder 25, the swing rod 24 swings around the hinge point between the swing rod and the front support point seat 22, and drives the pressing pressure head 26 on the swing rod 24 to swing, so that the pressing pressure head 26 presses downwards to position the end wall to be welded in a pressing mode or lifts upwards to release the end wall to be welded.
The turnover mechanism assembly 3 is used for directly executing turnover operation at a welding station, and comprises a first rotary motion mechanism 31, a second rotary motion mechanism 32 and a tail end clamp. The rotation center axis of the first rotation mechanism 31 is arranged along the vertical direction, the rotation center axis of the second rotation mechanism 32 is arranged along the second horizontal direction, the second rotation mechanism 32 is arranged at the motion output end of the first rotation mechanism 31, the end clamp is arranged at the motion output end of the second rotation mechanism 32, and the end clamp is used for connecting and clamping an end wall to be welded.
And after the front welding of the end wall to be welded is finished, the tail end clamp is connected with and clamps the end wall to be welded. Then, the first rotary motion mechanism 31 rotates 90 degrees to drive the second rotary motion mechanism 32, the tail end clamp and the end wall to be welded to rotate 90 degrees around the vertical axis so as to avoid a walking gantry; then, the second rotary motion mechanism 32 turns 180 degrees around the self rotary central shaft, drives the end clamp and the end wall to be welded to turn 180 degrees around the horizontal shaft, and turns the end wall to be welded to the reverse side; finally, the first rotating mechanism 31 rotates in the reverse direction by 90 ° to return to the initial position, i.e. complete the entire turning motion.
Exemplarily, the first rotary motion mechanism 31 is a turntable.
Exemplarily, the second rotary motion mechanism 32 includes two sub-rotary mechanisms 321 symmetrically distributed and a synchronizing shaft for connecting the two sub-rotary mechanisms 321. Wherein, the sub-rotating mechanism 321 comprises a main rotating motor 321a, the end clamp comprises a main clamp plate 331 driven to rotate by the main rotating motor 321a, the output shafts of the main rotating motors 321a of the two sub-rotating mechanisms 321 are connected by a synchronizing shaft, and the rotating central shaft of the main clamp plate 331 is arranged along the second horizontal direction.
Exemplarily, the sub-rotation mechanism 321 further includes a sub-rotation motor 321b, and the end clamp further includes a sub-clamping plate 332 driven to rotate by the sub-rotation motor 321 b. The rotation center axis of the auxiliary clamp plate 332 is arranged along the second horizontal direction, and the main clamp plate 331 and the auxiliary clamp plate 332 clamp the end wall to be welded from the upper side and the lower side of the end wall to be welded, so that reliable clamping is realized.
Exemplarily, the second rotating mechanism 32 further includes a supporting seat 322, the two sub-rotating mechanisms 321 are disposed on the supporting seat 322, and the supporting seat 322 is disposed on the motion output end of the first rotating mechanism 31. For example, the support base 322 is provided on the turntable.
Exemplarily, the automatic welding equipment for the end wall of the railway wagon further comprises a transmission mechanism for conveying the end wall to be welded to realize automatic feeding and discharging. The transmission mechanism assembly is implemented in a plurality of ways, and exemplarily, the transmission mechanism assembly comprises a plurality of chain conveyors 4, and the chain conveyors 4 are respectively arranged at two sides of the turnover mechanism assembly 3. It will be appreciated that the chain conveyor 4 is of a general equipment construction and will not be described in detail here.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. Railway freight car headwall automatic weld equipment which characterized in that includes:
the welding gantry assembly comprises a gantry walking track, a walking gantry and a welding robot, wherein the walking gantry can walk on the gantry walking track in a linear reciprocating manner along a first horizontal direction, the welding robot can walk on the walking gantry in a linear reciprocating manner along a second horizontal direction, and the first horizontal direction is vertical to the second horizontal direction;
the pressing mechanism is used for pressing and positioning the end wall to be welded;
the turnover mechanism comprises a first rotary motion mechanism, a second rotary motion mechanism and a terminal clamp, wherein the rotary central shaft of the first rotary motion mechanism is arranged along the vertical direction, the rotary central shaft of the second rotary motion mechanism is arranged along the second horizontal direction, the second rotary motion mechanism is arranged at the motion output end of the first rotary motion mechanism, the terminal clamp is arranged at the motion output end of the second rotary motion mechanism, and the terminal clamp is used for connecting and clamping the end wall to be welded.
2. The automatic welding equipment for end walls of railway freight cars as claimed in claim 1, wherein said traveling gantry comprises a gantry beam and two gantry columns supported at both ends of said gantry beam, said gantry beam is provided with a robot traveling rail extending along said second horizontal direction, said welding robot linearly reciprocates along said robot traveling rail, and said two gantry columns can linearly reciprocate along said first horizontal direction on said gantry traveling rail, respectively.
3. The automatic welding equipment for end walls of railway freight cars as claimed in claim 2, wherein the gantry beam is provided with a gantry press head and a driving element for driving the gantry press head to move up and down, and the gantry press head is used for flattening the uneven parts of the end walls to be welded downwards.
4. The automatic welding equipment for end walls of railway wagons according to claim 2, wherein the number of the gantry columns is equal to that of the gantry traveling rails, and the gantry traveling rails correspond to each other one by one.
5. The automatic welding equipment for end walls of railway freight cars as claimed in claim 1, wherein said hold-down mechanism assembly comprises an adjusting base, said adjusting base is provided with a front fulcrum seat and a rear fulcrum seat, said front fulcrum seat is provided with a swing lever, said swing lever is hinged to said front fulcrum seat and provided with a hold-down pressure head, said rear fulcrum seat is provided with a telescopic cylinder, said telescopic cylinder is used for driving said swing lever to swing.
6. The automatic welding equipment for end walls of railway freight cars as claimed in claim 1, wherein said second rotary motion mechanism comprises two sub-rotary mechanisms symmetrically distributed and a synchronizing shaft for connecting said two sub-rotary mechanisms, said sub-rotary mechanisms comprise main rotary motors, said end clamps comprise main clamping plates driven by said main rotary motors to rotate, output shafts of said main rotary motors of said two sub-rotary mechanisms are connected by said synchronizing shaft, and central rotation shafts of said main clamping plates are arranged along said second horizontal direction.
7. The automatic welding equipment for end walls of railway freight cars according to claim 6, wherein said sub-rotating mechanism further comprises an auxiliary rotating motor, said end clamps further comprise an auxiliary clamping plate driven to rotate by said auxiliary rotating motor, a rotating central shaft of said auxiliary clamping plate is arranged along said second horizontal direction, and said main clamping plate and said auxiliary clamping plate clamp said end wall to be welded from upper and lower sides of said end wall to be welded.
8. An automatic welding apparatus for end walls of railway freight cars according to claim 1, characterized in that said first rotary motion mechanism is a turntable.
9. An automatic welding apparatus for end walls of railway freight cars as claimed in claim 1, further comprising a transfer mechanism assembly for transporting said end walls to be welded.
10. An automatic welding apparatus for end walls of railway freight cars as claimed in claim 9, wherein said transfer mechanism assembly includes a plurality of chain conveyors spaced on either side of said turnover mechanism assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443735.2U CN211840686U (en) | 2019-12-30 | 2019-12-30 | Automatic welding equipment for end wall of railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443735.2U CN211840686U (en) | 2019-12-30 | 2019-12-30 | Automatic welding equipment for end wall of railway wagon |
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| Publication Number | Publication Date |
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| CN211840686U true CN211840686U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922443735.2U Active CN211840686U (en) | 2019-12-30 | 2019-12-30 | Automatic welding equipment for end wall of railway wagon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570966A (en) * | 2020-12-30 | 2021-03-30 | 大连四达高技术发展有限公司 | Gantry type pressing and positioning system for protective vehicle |
| CN114713944A (en) * | 2022-04-18 | 2022-07-08 | 中车株洲车辆有限公司 | Welding method for end wall parts of railway wagon |
-
2019
- 2019-12-30 CN CN201922443735.2U patent/CN211840686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570966A (en) * | 2020-12-30 | 2021-03-30 | 大连四达高技术发展有限公司 | Gantry type pressing and positioning system for protective vehicle |
| CN114713944A (en) * | 2022-04-18 | 2022-07-08 | 中车株洲车辆有限公司 | Welding method for end wall parts of railway wagon |
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