Integrated automatic overturning and welding tool for vehicle door and vehicle window of cab of loading machine
By designing an integrated automatic tilting welding fixture for the loader cab door and window, the problem of numerous and costly tooling types in loader component welding was solved, achieving low-cost automated welding and improving production efficiency and welding quality.
Patent Information
- Application Number
- CN202423306760.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The welding of existing loader parts suffers from problems such as a wide variety of tooling, large space occupation, and high cost. Especially in the production of small batches of various products, robotic welding cannot meet the requirements for rapid positioning, and existing positioners are costly and uneconomical.
An integrated automatic tilting welding fixture for the cab door and window of a loader was designed. It includes a tilting support, a positioning device, and a tilting device. The clamping is achieved through a pneumatic control box, and the tilting is driven by a reducer to a three-phase asynchronous motor, achieving ±180° positioning and linking with the welding control system, thereby reducing costs.
It achieves low-cost automated welding, improves production flexibility and welding quality, reduces tooling costs, and features a simple structure, high reliability, and long service life.
Smart Images

Figure CN223876430U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to loader welding tool technical field especially is related to a loader cab door, window integral type automatic turnover welding tool. BACKGROUND
[0002] The tool used in the welding of loader parts can improve positioning accuracy and production efficiency, but the characteristics of small-batch and various products determine that the tool is designed separately, resulting in a large number of tools, large space occupation, and unnecessary waste. If a robot is used for welding, the back-and-forth switching of the tool cannot meet the rapid positioning requirements of automation, and the production organization is not flexible.
[0003] Auxiliary displacement is a key factor to realize full-position flat welding. In the prior art, there are mainly two ways of auxiliary displacement, namely manual turnover and turnover using a full-position displacement machine. The manual turnover of heavy tool is labor-consuming, which causes personnel fatigue. The heavy tool has large rotation inertia, which affects personal safety. The full-position displacement machine mainly obtains the ideal welding position through the rotation and limiting of the workbench. It is commonly used as a core auxiliary equipment in robot welding work, cooperates with the robot system, effectively improves the efficiency of welding work, and can reduce the labor time and labor cost of workers. However, when applied to welding work conditions of two fixed positions, the cost is relatively high, and the economy is poor. The manual displacement machine, which is simple to use and needs manual operation to realize displacement, cannot be connected with the welding robot control system to realize linkage operation. SUMMARY
[0004] Therefore, the utility model provides a loader cab door, window integral type automatic turnover welding tool, which can realize flat welding of all welds, ensure welding quality, make the turnover limiting tool connected with the welding control system to realize automatic operation. Compared with the automatic displacement machine on the market, the cost is greatly reduced under the condition of consistent function, and the low-cost automation goal is realized.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A loader cab door, window integral type automatic turnover welding tool, comprising: a turnover support, a positioning device, and a turnover device.
[0007] Among them, the turnover support is provided with a positioning device capable of clamping the door and the window, and the two ends of the turnover support are provided with a turnover device capable of rotating.
[0008] Preferably, the positioning device comprises a door and window positioning frame, one end of the door and window positioning frame comprises a working limiting plate, the positioning device is provided with a plurality of clamping groups, and the positioning device is provided with a gas path control box.
[0009] Preferably, the upper end of the door and window positioning frame is provided with a plurality of pads, positioning blocks and limiting blocks, the door and window positioning frame is provided with a door hinge mounting plate and a door and window integrated hinge mounting plate, the hinge mounting plate is fixed on the door and window positioning frame through a positioning pin, and the door and window positioning frame is provided with a door handrail positioning seat.
[0010] Preferably, the clamping group comprises a mounting block, a cylinder body, a pressing plate and an adjusting plate, the mounting block is mounted at the upper end of the door and window positioning frame, the cylinder body is mounted at the upper end of the mounting block, one end of the cylinder body is connected with the pressing plate through a pin shaft, and the other end of the pressing plate is provided with the adjusting plate.
[0011] Preferably, the turnover device is provided with a speed reducer, the speed reducer is mounted on a three-phase asynchronous motor through a mounting flange, the three-phase asynchronous motor is mounted on one end of the turnover support through a fixed seat one, a power transmission shaft is mounted on the fixed seat one, the turnover support is provided with a switch mounting plate one and a switch mounting plate two, the switch mounting plate one is provided with a working stroke switch one and a limit stroke switch one, and the switch mounting plate two is provided with a working stroke switch two and a limit stroke switch two.
[0012] Preferably, a rotary control cabinet is mounted on the left side of the turnover support, and a passive rotating shaft is arranged between the turnover device and the right side of the turnover support.
[0013] Compared with the prior art, the composite low-cost automatic turnover limiting tool is provided, one set of tool realizes welding of a vehicle door and a vehicle window, realizes automatic clamping of parts, saves investment cost, and is flexible in production. The three-phase asynchronous motor is driven to turn over by the speed reducer, the structure is reliable, the rotating speed is stable, and the service life is long. The mechanical positioning limiting can be adjusted to the actual required ± 180° position, the protection of the ± 185° limit position is realized, the flat welding of all welds is realized, and the welding quality is guaranteed. The structure is simple, easy to manufacture and maintain, low in use cost, and good in economy.
[0014] Additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic view of the welding tool (first view) of the present application;
[0016] Figure 2 is a structural schematic view of the welding tool (second view) of the present application;
[0017] Figure 3 is Figure 2 is an enlarged view of region A in
[0018] Figure 4 is Figure 2 is an enlarged view of region B in
[0019] Reference signs:
[0020] 1, turnover support; 2, rotary control cabinet; 3, door and window positioning frame; 4, working limit plate; 5, gas path control box; 6, cushion block; 7, positioning block; 8, limit block; 9, hinge mounting plate; 10, door and window integrated hinge mounting plate; 11, positioning pin; 12, handrail positioning seat; 13, mounting block; 14, cylinder body; 15, pressing plate; 16, adjusting plate; 17, speed reducer; 18, mounting flange; 19, three-phase asynchronous motor; 20, fixed seat one; 21, power transmission shaft; 22, switch mounting plate one; 23, working stroke switch one; 24, limit forming switch one; 25, switch mounting plate two; 26, working stroke switch two; 27, limit stroke switch two 27; 28, passive rotating shaft; 29, fixed seat two. DETAILED DESCRIPTION
[0021] The utility model discloses a loader cab door and window integrated automatic turnover welding tool, which can realize all-welding, ensure welding quality, make the turnover limiting tool and welding control system connection cooperation, realize automatic operation. Compared with the automatic positioner on the market, the utility model has the same function and greatly reduces the cost, achieving the goal of low-cost automation.
[0022] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.
[0023] In addition, the terms "first", "second" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.
[0024] The embodiments of the utility model are described below with reference to Figures 1 to 4 The loader cab door and window integrated automatic turnover welding tool in the embodiments of the utility model is described below.
[0025] The embodiment of the application discloses a loader cab door and window integrated automatic turnover welding tool, which comprises a turnover support 1, a positioning device and a turnover device.
[0026] The turnover support 1 is provided with the positioning device capable of clamping the door and the window, and the two ends of the turnover support 1 are provided with the turnover device capable of rotating.
[0027] In the embodiment, as shown in the figure, Figure 1 The positioning device comprises a door and window positioning frame 3, and one end of the door and window positioning frame 3 comprises a working limiting plate 4. The positioning device is provided with a plurality of clamping groups, and the positioning device is provided with an air path control box 5.
[0028] Further, as shown in the figure, Figure 1 The upper end of the door and window positioning frame 3 is provided with a plurality of pads 6, positioning blocks 7 and limiting blocks 8, the door and window positioning frame 3 is provided with a door hinge mounting plate 9 and a door and window integrated hinge mounting plate 10, the hinge mounting plate 9 is fixed on the door and window positioning frame 3 through a positioning pin 11, and the door and window positioning frame 3 is provided with a door armrest positioning seat 12. When welding the door or the window, corresponding parts are placed at corresponding positions of the door and window positioning frame 3, abut against corresponding pads 6, positioning blocks 7 and limiting blocks 8, the door hinge and the window hinge are placed on the corresponding door hinge mounting plate 9 and door and window integrated hinge mounting plate 10, and the door armrest is placed on the mounting seat of the door armrest positioning seat 12.
[0029] The clamping group comprises a mounting block 13, a cylinder body 14, a pressing plate 15 and an adjusting plate 16, wherein the mounting block 13 is mounted at the upper end of the door and window positioning frame 3, the cylinder body 14 is mounted at the upper end of the mounting block 13, one end of the cylinder body 14 is connected with the pressing plate 15 through a pin shaft, and the other end of the pressing plate 15 is provided with the adjusting plate 16. After the parts are placed, the corresponding clamping groups are controlled by operating the air path control box 5 to realize clamping of the parts.
[0030] In the embodiment, as shown in the figure, Figure 1 And Figure 2 The turnover device is provided with a speed reducer 17, the speed reducer 17 is mounted on a three-phase asynchronous motor 19 through a mounting flange 18, the three-phase asynchronous motor 19 is mounted on one end of the turnover support 1 through a fixed seat one 20, a power transmission shaft 21 is mounted on the fixed seat one 20, the turnover support 1 is provided with a switch mounting plate one 22 and a switch mounting plate two 25, the switch mounting plate one 22 is provided with a working stroke switch one 23 and a limit stroke switch one, and the switch mounting plate two 25 is provided with a working stroke switch two 26 and a limit stroke switch two 27.
[0031] In the embodiment, as shown in the figure, Figure 1As shown, the left side of the turnover support 1 is provided with a rotation control cabinet 2, and a passive rotating shaft 28 is arranged between the turnover device and the right side of the turnover support 1, and the right end of the passive rotating shaft 28 is arranged on the turnover support 1 through a fixing seat two 29.
[0032] In the embodiment, the artificial places the parts to be processed on the door and window positioning frame 3 according to the production requirements by operating the positioning device, adjusts the gap between the gasket 6, the positioning block 7, the limiting block 8 and the parts to obtain better size accuracy, realizes the positioning of the workpiece by operating the gas circuit control box 5 to clamp the group, and then performs subsequent turnover and welding.
[0033] The turnover device receives the signal output by the welding control system, automatically identifies the forward and reverse signals to the relay, the relay controls the frequency converter to realize the turnover of the ±180° working position of the motor, inputs the in-place signal to the welding control system, and then implements the welding operation. Meanwhile, the turnover support 1 is provided with a travel switch, which can ensure the positioning of the ±180° working position and can protect the ±185° limit position, and realizes the closed-loop feedback of the tool position. After all the welding is completed, the tool is returned to the original position, and the welding process of the next workpiece is performed.
[0034] Other configurations and operations of the loader cab door and window integrated automatic turnover welding tool according to the embodiments of the utility model are known to those skilled in the art, and will not be described in detail here.
[0035] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the skilled in the art can combine and combine the different embodiments or features of different embodiments or examples described in the present specification without contradiction.
[0036] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A loader cab door and window integrated automatic turnover welding tooling, characterized in that, Include: The turnover support is provided with positioning device capable of clamping vehicle door and window in the middle, and the turnover device is provided at both ends of the turnover support to rotate.
2. The loader cab door, window, all-in-one automatic flip weld jigs of claim 1, wherein, The positioning device contains door and window positioning frame, one end of which includes working limit plate; the positioning device is provided with multiple clamping groups, and is provided with air path control box.
3. The loader cab door, window, all-in-one automatic flip weld joggle of claim 2, wherein, Multiple pads, positioning blocks and limit blocks are installed at the upper end of the door and window positioning frame, the door and window positioning frame is provided with door hinge mounting plate and door and window integrated hinge mounting plate, the hinge mounting plate is fixed on the door and window positioning frame through positioning pin; the door and window positioning frame is provided with door handrail positioning seat.
4. The loader cab door, window, all-in-one automatic roll-over welding fixture of claim 2, wherein, The clamping group includes mounting block, cylinder body, pressing plate and adjusting plate, wherein the mounting block is installed at the upper end of the door and window positioning frame, the cylinder body is installed at the upper end of the mounting block, one end of the cylinder body is connected with the pressing plate through pin shaft, and the other end of the pressing plate is installed with the adjusting plate.
5. The loader cab door, window, all-in-one automatic roll-over welding fixture of claim 1 wherein, The turnover device is provided with speed reducer, the speed reducer is installed on three-phase asynchronous motor through mounting flange, the three-phase asynchronous motor is installed on one end of the turnover support through fixed seat one, power transmission shaft is installed on the fixed seat one, switch mounting plate one and switch mounting plate two are installed on the turnover support, working stroke switch one and limit stroke switch one are installed on the switch mounting plate one, working stroke switch two and limit stroke switch two are installed on the switch mounting plate two.
6. The loader cab door, window, all-in-one automatic roll-over welding fixture of claim 1, wherein, Rotary control cabinet is installed on the left side of the turnover support, passive rotating shaft is arranged between the turnover device and the right side of the turnover support, and the right end of the passive rotating shaft is installed on the turnover support through fixed seat two.