CN216462797U - Traction lever welding concatenation fixing device - Google Patents
Traction lever welding concatenation fixing device Download PDFInfo
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- CN216462797U CN216462797U CN202120892189.5U CN202120892189U CN216462797U CN 216462797 U CN216462797 U CN 216462797U CN 202120892189 U CN202120892189 U CN 202120892189U CN 216462797 U CN216462797 U CN 216462797U
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- 238000003466 welding Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 121
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model provides a traction rod welding, splicing and fixing device which comprises a rotating mechanism, a lifting supporting mechanism, a jacking mechanism, a pressing roller mechanism and a base, wherein the rotating mechanism and the jacking mechanism are horizontally and coaxially arranged on the base relatively, and a processing space for a workpiece to be welded is formed between the rotating mechanism and the jacking mechanism; the lifting support mechanism is arranged below the rotating mechanism and the jacking mechanism and is fixed on the base; and the pressing roller mechanism is arranged above the processing space of the workpiece to be welded. According to the utility model, the rotating mechanism, the lifting support mechanism, the jacking mechanism and the pressing roller mechanism are adopted to automatically clamp and weld the traction rod assembly, so that the time required by welding is greatly shortened, and the welding work efficiency is improved.
Description
Technical Field
The utility model relates to a welding device, in particular to a welding, splicing and fixing device for a traction rod, and belongs to the technical field of locomotive traction rod welding equipment.
Background
The draw bar is an important component of the coupler buffer device and bears the comprehensive effects of impact force, tensile stress and the like in the running process of the vehicle. The structure of the vehicle traction rod is formed by welding a pull ring and a rod body, and the welding quality and the size precision of the traction rod directly influence the safety performance of vehicle walking. Therefore, the requirements of the strength and the toughness of the welding seam and the requirement of the dimensional accuracy are higher.
The traditional traction rod welding process adopts a positioning tool for welding, and the size precision of the traction rod is deviated due to welding deformation. In addition, the traditional draw bar is welded by manual gas shielded welding, and products are easily scrapped due to welding defects generated by manual operation. Therefore, in order to ensure the welding quality, the assembly size precision and the production efficiency of the draw bar, a set of welding device with high positioning precision, simple welding operation and high production efficiency needs to be designed in a targeted manner, and the welding quality and the size precision of the draw bar are ensured.
The retrieval shows that the Chinese patent application number is CN201310559274.X, and the patent name is a special welding machine for the draw bar disclosed by the document of the special welding machine for the draw bar of the locomotive, the welding of the draw bar assembly can be realized, but the welding deformation is easily caused in the welding process due to the fact that no fixture is arranged at the bar body part of the draw bar. In addition, the Chinese patent application No. CN201620034987.3 is named as a draw bar welding positioning device disclosed in the document of the draw bar welding positioning device; the welding process adopts the tool for positioning and welding, so that the welding automation degree is lower, and the production requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a traction rod welding, splicing and fixing device, which controls welding deformation by adopting a rotating mechanism, a lifting support mechanism, a jacking mechanism and a pressing roller mechanism, meets the requirement of product size precision, avoids post-welding machining and improves the product percent of pass.
The technical scheme for solving the technical problems includes that the traction rod welding, splicing and fixing device comprises a rotating mechanism, a lifting supporting mechanism, a jacking mechanism, a pressing roller mechanism and a base, wherein the rotating mechanism is connected with an equipment servo motor through a transmission shaft, the rotating mechanism and the jacking mechanism are arranged on the base in a relatively horizontal coaxial mode, a to-be-welded workpiece machining space is formed between the rotating mechanism and the jacking mechanism, and the rotating mechanism and the jacking mechanism are used for limiting and fixing to-be-welded workpieces;
the lifting support mechanism is arranged below the rotating mechanism and the jacking mechanism, is fixed on the base, and supports the workpiece to be welded in a height-adjustable manner by the lifting support mechanism;
the pressing roller mechanism is arranged above the processing space of the workpiece to be welded, and the workpiece to be welded is pressed by two groups of rotatable rollers of the pressing roller mechanism.
The rotating mechanism and the jacking mechanism in the scheme ensure that the workpiece to be welded and the servo motor of the equipment can horizontally and synchronously rotate; the pull ring of the workpiece to be welded is clamped by the rotating mechanism, and the top mechanism, the roller supporting mechanism and the pressing roller mechanism press the rod body of the workpiece to be welded to prevent welding deformation.
According to the technical scheme, the rotating mechanism comprises a fixed seat, a cylinder pressing mechanism, a positioning pin and a transmission shaft, wherein the profile of the positioning pin is matched with the profile of an inner hole of a pull ring of the workpiece to be welded; the transmission shaft is horizontally arranged on the fixed seat through a bolt, the two groups of cylinder pressing mechanisms are vertically arranged on the fixed seat through the bolt and symmetrically distributed on the positioning pin and two sides of the transmission shaft, and the positioning pin is axially and vertically arranged on the fixed seat through the bolt; the cylinder hold-down mechanism is composed of a cylinder, a mounting plate and an adjusting bolt, wherein unthreaded holes and threaded holes are symmetrically distributed on two sides of the mounting plate, the mounting bolt is arranged at the unthreaded holes of the mounting plate and is vertically connected with the cylinder, and the threaded holes of the mounting plate are connected with the adjusting bolt through threads.
According to the traction rod welding, splicing and fixing device, the lifting support mechanism comprises a support roller, a lifting frame, a wire guide column and a screw rod adjusting mechanism. Two sets of axially parallel rotatable supporting rollers are arranged on the upper part of the lifting frame through bearings, a screw rod adjusting mechanism is vertically arranged on the lower part of the lifting frame, and four groups of wire columns are vertically arranged at four corners of the lower part of the lifting frame. The supporting rollers are provided with the step-shaped annular gaps, so that the supporting rollers are prevented from interfering with the welding seams, and the gaps are adopted to effectively avoid the welding seams in a reasonable structure.
According to the traction rod welding, splicing and fixing device, the jacking mechanism comprises a jacking cone, a connecting rod, a jacking cylinder and a jacking base. The jacking base is installed on the base through a bolt, the jacking cylinder is horizontally installed on the jacking base through a bolt, and the jacking cone is connected with the jacking cylinder through a connecting rod in a horizontal coaxial mode.
According to the traction rod welding, splicing and fixing device, the pressing roller mechanism comprises the roller support, the pressing roller and the connecting rod, the roller support is of an inverted V-shaped structure, the rod body of the workpiece to be welded is guaranteed to be in a rotatable pressing state in the welding process, and welding deformation is prevented. Two rotatable pressing rollers are installed on the lower portion of the roller support, a connecting rod is vertically installed above the roller support, and the connecting rod is connected with a pressing air cylinder.
The utility model has the advantages that the rotating mechanism, the lifting support mechanism, the jacking mechanism and the pressing roller mechanism are adopted to automatically clamp and weld the traction rod assembly, thereby greatly shortening the time required by welding and improving the welding work efficiency; meanwhile, the rotating mechanism and the jacking mechanism ensure that the workpiece to be welded and the equipment servo motor can synchronously rotate in the welding process; the pull ring of the workpiece to be welded is compressed by the rotating mechanism, the jacking mechanism, the supporting mechanism and the compression roller mechanism compress the rod body of the workpiece to be welded, the deformation of the traction rod assembly in the welding process is controlled, post-welding machining is avoided, and the product percent of pass is improved.
Drawings
The present invention will be described in further detail with reference to the following examples, which are given in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic structural diagram of the rotating mechanism of the present embodiment.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a schematic structural diagram of the elevating support mechanism of the present embodiment.
Fig. 6 is a top view of fig. 5.
Fig. 7 is a schematic structural view of the tightening mechanism of this embodiment.
Fig. 8 is a schematic structural diagram of the pressing roller mechanism of this embodiment.
Fig. 9 is a side schematic view of fig. 8.
Detailed Description
The embodiment provides a traction rod welding, splicing and fixing device, the structure of which is shown in fig. 1 to 9, and the device comprises a rotating mechanism 1, a lifting support mechanism 2, a jacking mechanism 3, a pressing roller mechanism 4 and a base 5, wherein the rotating mechanism 1 is connected with an equipment servo motor through a transmission shaft 14, the rotating mechanism 1 and the jacking mechanism 3 are arranged on the base 5 in a relatively horizontal coaxial manner, a to-be-welded workpiece processing space is formed between the rotating mechanism 1 and the jacking mechanism 3, and the to-be-welded workpiece is limited and fixed by the rotating mechanism 1 and the jacking mechanism 3; the lifting support mechanism 2 is arranged below the rotating mechanism 1 and the jacking mechanism 3, is fixed on the base 5 by bolts, and is supported by two groups of axially parallel support rollers at the upper part of the lifting support mechanism 2 in a height-adjustable manner; the pressing roller mechanism 4 is arranged above the processing space of the workpiece to be welded, and the workpiece to be welded is pressed tightly through two groups of rotatable rollers of the pressing roller mechanism 4.
The rotating mechanism 1 in this embodiment includes a fixed seat 11, a cylinder pressing mechanism 12, a positioning pin 13, and a transmission shaft 14; the contour of a positioning pin 13 is matched with the contour of an inner hole of a pull ring of a workpiece to be welded, a transmission shaft 14 is horizontally arranged on a fixed seat 11 through a bolt, two groups of cylinder pressing mechanisms 12 are vertically arranged on the fixed seat 11 through the bolt and symmetrically distributed on two sides of the positioning pin 13 and the transmission shaft 14, and the positioning pin 13 is vertically arranged on the fixed seat 11 through the bolt axially; the cylinder pressing mechanism 12 is composed of a cylinder 121, a mounting plate 122 and an adjusting bolt 123, an unthreaded hole and a threaded hole are symmetrically distributed on two sides of the mounting plate 122, the bolt is mounted at the unthreaded hole of the mounting plate 122 to enable the mounting plate to be vertically connected with the cylinder 121, and the threaded hole of the mounting plate 122 is connected with the adjusting bolt 123 through threads. The compressed air entering the air cylinder 121 pushes the piston rod of the air cylinder to move vertically, so that the adjusting bolt 123 on the mounting plate 122 is driven to move vertically, and the pull ring 7 of the workpiece to be welded is further pressed or loosened. The transmission shaft 14 is connected with a servo motor, and the servo motor rotates to drive the fixed seat 11 to rotate, so as to drive the pull ring 7 of the workpiece to be welded to rotate. The lifting support mechanism 2 comprises a support roller 21, a lifting frame 22, a wire guide column 23 and a screw rod adjusting mechanism 24. Two sets of axially parallel and rotatable supporting rollers 21 are arranged on the upper part of the lifting frame 22 through bearings, a screw rod adjusting mechanism 24 is vertically arranged on the lower part of the lifting frame 22, four groups of wire guide columns 23 are vertically arranged at four corners of the lower part of the lifting frame 22, and an adjusting handle of the screw rod adjusting mechanism 24 is manually rotated to drive the two sets of supporting rollers 21 on the upper part of the lifting frame 22 to vertically lift along the wire guide columns 23 so as to adjust the height of a rod body 6 of a workpiece to be welded; the supporting roller 21 is provided with a step-shaped annular gap.
The tightening mechanism 3 of the present embodiment includes a nose cone 31, a connecting rod 32, a tightening cylinder 33, and a tightening base 34. The jacking base 34 is installed on the base 5 through bolts, the jacking cylinder 33 is installed on the jacking base 34 through bolts, and the jacking cone 31 is connected with the jacking cylinder 33 through the connecting rod 32 relatively horizontally and coaxially. Compressed air enters a cavity of the jacking cylinder 33, and pushes the piston rod to drive the tip cone 31 and the connecting rod 32 to move horizontally, so as to clamp and loosen the rod body 6 of the workpiece to be welded. The pressing roller mechanism 4 comprises a roller bracket 41, rollers 42 and a connecting rod 43, the roller bracket 41 is of an inverted V-shaped structure, two rotatable rollers 42 are installed below the roller bracket 41, the connecting rod 43 is vertically installed above the roller bracket 41, and the connecting rod 43 is connected with a pressing cylinder 44. When compressed air enters the cavity of the pressing cylinder 44, the piston rod is pushed to drive the connecting rod 43 and the roller bracket 41 to move vertically, so as to clamp and loosen the rod body 6 of the workpiece to be welded.
The cylinder hold-down mechanism 12 of this embodiment guarantees that the pull ring 7 of the workpiece to be welded is clamped on the fixing seat 11, so as to prevent welding deformation, and the transmission shaft 14 guarantees rotatable connection of the workpiece to be welded and the servo motor of the device during welding. And the two groups of supporting rollers 21 are vertically lifted along the wire guide column 23 by manually adjusting the screw rod adjusting mechanism 24, so that the optimal position of the rod body 6 of the workpiece to be welded is obtained. Trapezoidal gaps are reserved in the supporting rollers 21, and the rollers are prevented from interfering with welding seams.
After the rod body 6 of the workpiece to be welded is adjusted to a proper position, compressed air is introduced into a cavity of the jacking air cylinder 33, and the piston rod pushes the connecting rod 32 and the jacking cone 31 to horizontally jack the rod body 6 of the workpiece to be welded. The jacking mechanism 3 horizontally jacks the pull ring 7 of the workpiece to be welded and the rod body 6 of the workpiece to be welded to prevent welding deformation. Compressed air is introduced into a pressing air cylinder 44 of the pressing roller mechanism 4, a piston rod pushes a connecting rod 43 and a roller bracket 41 to move vertically, and two groups of rotatable rollers 42 which transmit pressure to the roller bracket 41 ensure that a workpiece rod body 6 to be welded is in a rotatable pressing state in the welding process.
The embodiment realizes automatic welding of the draw bar; and a rotating mechanism, a lifting support device and a jacking mechanism are adopted to control welding deformation in the welding process, so that the requirement of product size precision is met.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a traction lever welding concatenation fixing device, includes rotary mechanism (1), lift supporting mechanism (2), the tight mechanism in top (3), compresses tightly gyro wheel mechanism (4) and base (5), its characterized in that:
the device comprises a rotating mechanism (1), a jacking mechanism (3), a base (5), a transmission shaft (14), a transmission shaft (3), a transmission shaft (C), a transmission shaft (D), a transmission shaft (D) and a transmission shaft (1), a transmission shaft (D) and a transmission shaft (D) are arranged between the transmission shaft (D, a transmission shaft (D) and a transmission shaft (D), a transmission shaft (1), a transmission shaft (D) and a transmission shaft (D, a transmission shaft (3), a transmission shaft (D) and a transmission shaft (3), a transmission shaft (D) and a transmission shaft (1), a transmission shaft (D) and a transmission shaft, a transmission;
the lifting support mechanism (2) is arranged below the rotating mechanism (1) and the jacking mechanism (3), is fixed on the base (5), and supports a workpiece to be welded by two groups of axially parallel support rollers at the upper part of the lifting support mechanism (2);
the pressing roller mechanism (4) is arranged above the processing space of the workpiece to be welded, and the rotating pressing roller of the pressing roller mechanism (4) presses the workpiece to be welded.
2. The drawbar weld splice fixing device according to claim 1, wherein: the rotating mechanism (1) comprises a fixed seat (11), an air cylinder pressing mechanism (12), a positioning pin (13) and a transmission shaft (14); the outline of a positioning pin (13) is matched with the outline of an inner hole of a pull ring (7) of a workpiece to be welded, a transmission shaft (14) is horizontally installed on a fixed seat (11) through a bolt, two groups of cylinder pressing mechanisms (12) are vertically installed on the fixed seat (11) through the bolt and symmetrically distributed on two sides of the positioning pin (13) and the transmission shaft (14), and the positioning pin (13) is axially and vertically installed on the fixed seat (11) through the bolt; the transmission shaft (14) is connected with the servo motor, and the servo motor rotates to drive the fixed seat (11) to rotate, so that the pull ring (7) of the workpiece to be welded is driven to rotate.
3. The drawbar weld splice fixing device according to claim 2, wherein: cylinder hold-down mechanism (12) comprises cylinder (121), mounting panel (122) and adjusting bolt (123), mounting panel (122) bilateral symmetry distributes there are unthreaded hole and screw hole the unthreaded hole department mounting bolt of mounting panel (122) makes it be connected with cylinder (121) perpendicularly, the screw hole department of mounting panel (122) is connected with adjusting bolt (123) through the screw thread.
4. The drawbar weld splice fixing device according to claim 1, wherein: the lifting support mechanism (2) comprises a support roller (21), a lifting frame (22), a wire guide column (23) and a screw rod adjusting mechanism (24); two sets of axially parallel and rotatable supporting rollers (21) are arranged on the upper portion of the lifting frame (22) through bearings, a screw rod adjusting mechanism (24) is vertically arranged on the lower portion of the lifting frame (22), four groups of wire columns (23) are vertically arranged at four corners of the lower portion of the lifting frame (22), and the adjusting handles of the screw rod adjusting mechanism (24) are manually rotated to drive the two sets of supporting rollers (21) on the upper portion of the lifting frame (22) to vertically lift along the wire columns (23).
5. The drawbar weld splice fixing device according to claim 4, wherein: the supporting roller (21) is provided with a step-shaped annular gap.
6. The drawbar weld splice fixing device according to claim 1, wherein: the jacking mechanism (3) comprises a jacking cone (31), a connecting rod (32), a jacking cylinder (33) and a jacking base (34); the jacking base (34) is installed on the base (5) through a bolt, the jacking cylinder (33) is installed on the jacking base (34) through a bolt, and the tip cone (31) is connected with the jacking cylinder (33) through a connecting rod (32) in a relatively horizontal coaxial mode; compressed air enters a cavity of the jacking cylinder (33) to push the piston rod to drive the tip cone (31) and the connecting rod (32) to move horizontally.
7. The drawbar weld splice fixing device according to claim 1, wherein: the pressing roller mechanism (4) comprises a roller bracket (41), rollers (42) and a connecting rod (43), wherein the roller bracket (41) is of an inverted V-shaped structure, two rotatable rollers (42) are installed below the roller bracket (41), the connecting rod (43) is vertically installed above the roller bracket (41), and the connecting rod (43) is connected with a pressing cylinder (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120892189.5U CN216462797U (en) | 2021-04-26 | 2021-04-26 | Traction lever welding concatenation fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120892189.5U CN216462797U (en) | 2021-04-26 | 2021-04-26 | Traction lever welding concatenation fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216462797U true CN216462797U (en) | 2022-05-10 |
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ID=81394190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120892189.5U Expired - Fee Related CN216462797U (en) | 2021-04-26 | 2021-04-26 | Traction lever welding concatenation fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216462797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499413A (en) * | 2023-06-29 | 2023-07-28 | 钛玛科（北京）工业科技有限公司 | Form and position tolerance measuring device and method for precisely assembling deviation correcting roller |
-
2021
- 2021-04-26 CN CN202120892189.5U patent/CN216462797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499413A (en) * | 2023-06-29 | 2023-07-28 | 钛玛科（北京）工业科技有限公司 | Form and position tolerance measuring device and method for precisely assembling deviation correcting roller |
| CN116499413B (en) * | 2023-06-29 | 2023-11-21 | 钛玛科(江苏)工业科技有限公司 | Form and position tolerance measuring device and method for precisely assembling deviation correcting roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220507 Address after: 266111 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220510 |