Fixture for multi-model shared movable arm front fork for welding robot
By designing a fixture with multiple models of boom forks, using a flexible rotating frame, an accurate driving mechanism and a stable support mechanism, the problem of unreasonable design and insufficient clamping force of traditional fixtures when welding boom forks is solved, and high-precision and stable welding effect is achieved.
Patent Information
- Application Number
- CN202421793735.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-26
AI Technical Summary
When welding boom forks, traditional fixtures have problems such as unreasonable design or insufficient clamping force, which causes the workpiece to move or shake, affect the quality and aesthetics of the weld, and even cause safety hazards.
A clamp with multiple models of boom forks is designed, using a flexible rotating frame and precise driving mechanism, combined with a stable support mechanism and all-round fixing components to achieve multi-angle, high-precision welding positioning and stable support of boom forks.
Through this fixture, high-precision and stable welding of the boom fork are achieved, which improves welding flexibility and accuracy, and ensures welding quality and safety.
Smart Images
Figure CN222818264U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a clamp for a multi-machine common boom front fork used by a welding robot. Background Art
[0002] Excavators, as a multifunctional heavy-duty construction machinery, are widely used in mining, construction, agricultural operations and other fields. In these diverse application scenarios, the boom fork of the excavator plays a vital role. The boom fork is not only a core component in the excavator boom structure, but also a key part of connecting and supporting the working device. Its performance and stability are directly related to the overall operating efficiency of the excavator and the safety of the operator.
[0003] With the rapid development of automation and intelligent manufacturing technology, welding robots are playing an increasingly important role in the manufacturing process of boom forks. However, when welding boom forks, traditional fixture designs often have problems such as unreasonable design or insufficient clamping force. These problems may cause the workpiece to move or shake during the welding process, which in turn affects the quality and aesthetics of the weld and may even cause safety hazards. Utility Model Content
[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then proposes a clamp for a multi-machine common boom front fork used by a welding robot.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] A clamp for a common boom front fork used by multiple models of welding robots comprises a first bracket and a second bracket, a rotating frame is rotatably connected between the first bracket and the second bracket, a driving mechanism is provided on the first bracket, the driving mechanism can drive the rotating frame to rotate, a supporting mechanism is provided on the rotating frame, the supporting mechanism comprises two mounting boxes, a rotating connecting member is installed on the mounting boxes, a boom front fork is installed between the two rotating connecting members, side fixing components are provided on both sides of the mounting box, and a plurality of positioning components and a bottom fixing component are provided at the bottom of the rotating frame.
[0007] Furthermore, a central fixed electric cylinder is provided in the installation box, and a first rubber pad is provided at the end of the telescopic rod of the central fixed electric cylinder. When the telescopic rod of the central fixed electric cylinder is extended, the first rubber pad can abut against the surface of the front fork of the boom.
[0008] Furthermore, the rotating frame includes a central plate, a left plate and a right plate are respectively provided on both sides of the central plate, and diagonal braces are provided between the central plate and the left plate and the right plate.
[0009] Furthermore, a rectangular working notch is provided in the center of the center plate.
[0010] Furthermore, the driving mechanism includes a driving motor, a first bearing seat is mounted on the first bracket, a first rotating shaft is rotatably connected in the first bearing seat, one end of the first rotating shaft is connected to the driving motor, and the other end of the first rotating shaft is connected to the left plate. A second bearing seat is mounted on the second bracket, a second rotating shaft is rotatably connected in the second bearing seat, and the second rotating shaft is connected to the right plate.
[0011] Furthermore, the rotating connecting member includes a first electric cylinder, which is fixedly connected to the mounting box. The telescopic rod of the first electric cylinder passes through the mounting box and is connected to a first limit sleeve and a second limit sleeve. A blocking plate is installed at the end of the telescopic rod of the first electric cylinder.
[0012] Furthermore, the side fixing assembly includes a fixing plate, which is fixedly connected to the side wall of the mounting box, a connecting plate is provided on the fixing plate, a first fixed electric cylinder is provided on the connecting plate, and a telescopic rod of the first fixed electric cylinder passes through the connecting plate and is connected to a second rubber pad.
[0013] Furthermore, a mounting positioning notch for accommodating the positioning of the fixing plate is provided on the side wall of the mounting box.
[0014] Furthermore, the positioning assembly includes a positioning adjustment rod, the positioning adjustment rod is connected to a lower supporting plate, and a supporting pad is provided on the lower supporting plate.
[0015] Furthermore, the positioning assembly includes a positioning and adjusting electric cylinder, the positioning and adjusting electric cylinder is connected to a lower supporting plate, and a supporting pad is provided on the lower supporting plate.
[0016] Furthermore, a group of bottom fixing components are provided on each side of the positioning component, and the bottom fixing components include a lower connecting plate, the lower connecting plate is connected to a lower support plate, a second fixed electric cylinder is provided on the lower support plate, and the telescopic rod of the second fixed electric cylinder passes through the lower support plate and is connected to a third rubber pad.
[0017] Furthermore, a side electric cylinder is provided on the side wall of the central plate, and a telescopic rod of the side electric cylinder passes through the central plate and is connected to a fourth rubber pad.
[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model realizes multi-angle and high-precision welding positioning of the boom front fork through a flexible rotating frame and a precise driving mechanism, thereby improving the flexibility and accuracy of welding; secondly, the stable supporting mechanism and the all-round fixing components provide stable support and comprehensive fixation for the boom front fork, effectively preventing displacement during welding and ensuring the welding quality and accuracy; finally, through the coordinated action of the positioning component and the bottom fixing component, precise positioning and stable support of the boom front fork are achieved, further enhancing the reliability and safety of welding. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0020] Figure 2 for Figure 1 A partial enlarged view of the middle A;
[0021] Figure 3 It is the front view of the utility model;
[0022] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;
[0023] Wherein: 100 boom front fork, 1 first bracket, 2 second bracket, 3 rotating frame, 31 center plate, 32 left plate, 33 right plate, 34 diagonal brace, 301 rectangular working notch, 4 driving mechanism, 41 first bearing seat, 42 first rotating shaft, 43 driving motor, 44 second rotating shaft, 45 second bearing seat, 5 supporting mechanism, 51 mounting box, 511 mounting positioning notch, 52 first electric cylinder, 53 blocking plate, 54 second limiting sleeve, 55 first limiting sleeve, 61 fixing plate, 62 connecting plate, 63 first fixed electric cylinder, 64 second rubber pad, 65 center fixed electric cylinder, 71 lower connecting plate, 72 lower supporting plate, 73 second fixed electric cylinder, 74 third rubber pad, 81 positioning adjustment rod, 82 lower supporting plate, 83 supporting pad, 9 side electric cylinder. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The utility model is further described in combination with the drawings and embodiments:
[0025] like Figure 1-Figure 4As shown, a clamp for a common boom front fork of a welding robot includes a first bracket 1 and a second bracket 2, wherein a rotating frame 3 is rotatably connected between the first bracket and the second bracket, and a driving mechanism 4 is provided on the first bracket, wherein the driving mechanism can drive the rotating frame to rotate, and through this driving mechanism, the rotating frame can be conveniently driven to rotate accurately, thereby adjusting the welding angle of the boom front fork. This design greatly improves the flexibility and accuracy of welding, so that the welding robot can cope with more complex welding tasks. A supporting mechanism 5 is provided on the rotating frame, which is used to support and fix the boom front fork to be welded. The supporting mechanism includes two mounting boxes 51, on which a rotating connecting member is installed, and a boom front fork 100 is installed between the two rotating connecting members, and side fixing assemblies are provided on both sides of the mounting box, and a plurality of positioning assemblies and a bottom fixing assembly are provided at the bottom of the rotating frame. Such a design not only ensures the stable support of the boom front fork, but also further enhances its stability through the side fixing assembly, providing a solid foundation for high-quality welding.
[0026] Furthermore, a central fixed electric cylinder 65 is provided in the installation box, and a first rubber pad is provided at the end of the telescopic rod of the central fixed electric cylinder. When the telescopic rod of the central fixed electric cylinder is extended, the first rubber pad can abut against the surface of the boom front fork. This central fixing method can effectively prevent the boom front fork from shifting during the welding process, thereby ensuring the accuracy and quality of welding.
[0027] In at least one embodiment, the rotating frame includes a central plate 31, a left plate 32 and a right plate 33 are respectively provided on both sides of the central plate, and diagonal braces 34 are provided between the central plate and the left plate and the right plate. This structural design not only improves the stability of the rotating frame, but also ensures its stability when subjected to gravity and welding stress.
[0028] Furthermore, a rectangular working slot 301 is provided at the center of the center plate, and the rectangular working slot can accommodate the front fork of the boom to pass through.
[0029] In at least one embodiment, the driving mechanism includes a driving motor 43, a first bearing seat 41 is mounted on the first bracket, a first shaft 42 is rotatably connected in the first bearing seat, one end of the first shaft is connected to the driving motor, and the other end of the first shaft is connected to the left plate. A second bearing seat 45 is mounted on the second bracket, a second shaft 44 is rotatably connected in the second bearing seat, and the second shaft is connected to the right plate. The rotation of the driving motor can drive the entire rotating frame to rotate. This driving method not only responds quickly, but also has accurate positioning, which provides strong support for the automation and efficiency of the welding process.
[0030] In at least one embodiment, the rotating connection member includes a first electric cylinder 52, which is fixedly connected to the mounting box, and the telescopic rod of the first electric cylinder passes through the mounting box and is connected to a first limit sleeve 55 and a second limit sleeve 54, and a blocking plate 53 is installed at the end of the telescopic rod of the first electric cylinder. Such a design allows the boom front fork to rotate flexibly and be firmly fixed on the fixture, thereby meeting the requirements of different welding angles.
[0031] Furthermore, when the boom front fork is rotatably connected to the telescopic rod of the first electric cylinder, people first select the appropriate first limit sleeve 55 and second limit sleeve 54 to insert into the telescopic rod so that the two are respectively located on both sides of the boom front fork, and then install a blocking plate 53 at the end of the telescopic rod to achieve preliminary fixation of the boom front fork.
[0032] In at least one embodiment, Figure 2 As shown, the side fixing assembly includes a fixing plate 61, which is fixedly connected to the side wall of the mounting box, and a connecting plate 62 is provided on the fixing plate. A first fixed electric cylinder 63 is provided on the connecting plate, and a telescopic rod of the first fixed electric cylinder passes through the connecting plate and is connected to a second rubber pad 64.
[0033] Furthermore, a mounting positioning notch 511 for accommodating the positioning of the fixing plate is provided on the side wall of the mounting box.
[0034] In at least one embodiment, the positioning assembly includes a positioning adjustment rod 81, and the positioning adjustment rod is connected to a lower support plate 82, and a support pad 83 is provided on the lower support plate. When the boom front fork is welded, the lower support plate and the support pad play a role in positioning and supporting.
[0035] In some embodiments, the positioning assembly includes a positioning adjustment electric cylinder, which is connected to a lower support plate 82 on which a support pad 83 is provided. The positioning adjustment rod is replaced by the positioning adjustment electric cylinder to achieve automatic adjustment in the vertical direction.
[0036] In at least one embodiment, a group of bottom fixing components are provided on both sides of the positioning component, and the bottom fixing components include a lower connecting plate 71, the lower connecting plate is connected to a lower supporting plate 72, a second fixed electric cylinder 73 is provided on the lower supporting plate, and a telescopic rod of the second fixed electric cylinder passes through the lower supporting plate and is connected to a third rubber pad 74. The synergistic effect of these components ensures the precise positioning and stable support of the boom front fork during the welding process.
[0037] In at least one embodiment, a side electric cylinder 9 is provided on the side wall of the center plate, and a telescopic rod of the side electric cylinder passes through the center plate and is connected to a fourth rubber pad. This design further enhances the adaptability and stability of the clamp, making the welding process more reliable and safe.
[0038] Working mode, ensure that the first bracket and the second bracket are firmly installed, and ensure that the rotating frame 3 can rotate freely between the first bracket and the second bracket. Check the driving mechanism 4, including the driving motor 43, the first rotating shaft 42 and the second rotating shaft 44, to ensure that they can work normally to drive the rotating frame to rotate.
[0039] The boom front fork 100 is placed on the support mechanism 5 of the rotating frame. Specifically, the boom front fork is installed between the two rotating connection members. According to the size of the boom front fork, a suitable first limit sleeve 55 and a second limit sleeve 54 are selected and inserted into the telescopic rod of the first electric cylinder 52 to ensure that the boom front fork is firmly fixed on the rotating connection member. A blocking plate 53 is installed at the end of the telescopic rod of the first electric cylinder to further enhance the stability of the boom front fork.
[0040] The boom front fork is further fixed by the side fixing assembly. Specifically, the telescopic rod is extended by the first fixed electric cylinder 63 so that the second rubber pad 64 fits tightly against the side of the boom front fork to provide additional fixing force. The positioning assembly is adjusted so that the lower support plate 82 and the support pad 83 can support the bottom of the boom front fork to ensure that it is in the correct welding position. The bottom of the boom front fork is further fixed by the bottom fixing assembly. The telescopic rod is extended by the second fixed electric cylinder 73 so that the third rubber pad 74 fits tightly against the bottom of the boom front fork. In the mounting box, the telescopic rod is extended by the center fixed electric cylinder 65 so that the first rubber pad fits tightly against the surface of the boom front fork to provide center position fixation. As needed, the angle of the rotating frame is adjusted by the drive mechanism 4 so as to position the boom front fork to the best welding position. The welding operation is carried out, during which fine-tuning can be performed by each electric cylinder and the fixing assembly to ensure the accuracy and quality of the welding.
[0041] After welding is completed, loosen each fixing component and electric cylinder in reverse order, carefully remove the boom front fork, clean the welding slag and debris on the fixture, and prepare for the next use.
[0042] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.
Claims
1. A clamp for a common boom front fork for multiple models of welding robots, characterized in that: It includes a first bracket and a second bracket, a rotating frame is rotatably connected between the first bracket and the second bracket, a driving mechanism is provided on the first bracket, and the driving mechanism can drive the rotating frame to rotate, and a supporting mechanism is provided on the rotating frame, and the supporting mechanism includes two installation boxes, a rotating connecting member is installed on the installation boxes, a boom front fork is installed between the two rotating connecting members, side fixing components are provided on both sides of the installation box, and a plurality of positioning components and a bottom fixing component are provided at the bottom of the rotating frame.
2. The clamp for the common boom front fork of a welding robot of multiple models according to claim 1 is characterized in that: A central fixed electric cylinder is arranged in the installation box, and a first rubber pad is arranged at the end of the telescopic rod of the central fixed electric cylinder. When the telescopic rod of the central fixed electric cylinder is extended, the first rubber pad can abut against the surface of the front fork of the boom.
3. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 1 or 2, characterized in that: The rotating frame comprises a central plate, a left plate and a right plate are respectively arranged on both sides of the central plate, diagonal braces are arranged between the central plate and the left plate and the right plate, and a rectangular working notch is arranged at the center of the central plate.
4. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 3 is characterized in that: The driving mechanism includes a driving motor, a first bearing seat is installed on the first bracket, a first rotating shaft is rotatably connected in the first bearing seat, one end of the first rotating shaft is connected to the driving motor, and the other end of the first rotating shaft is connected to the left plate, a second bearing seat is installed on the second bracket, a second rotating shaft is rotatably connected in the second bearing seat, and the second rotating shaft is connected to the right plate.
5. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 3, characterized in that: The rotating connection component includes a first electric cylinder, which is fixedly connected to the mounting box. The telescopic rod of the first electric cylinder passes through the mounting box and is connected to a first limit sleeve and a second limit sleeve. A blocking plate is installed at the end of the telescopic rod of the first electric cylinder.
6. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 5, characterized in that: The side fixing assembly includes a fixing plate, which is fixedly connected to the side wall of the mounting box, and a connecting plate is provided on the fixing plate. A first fixed electric cylinder is provided on the connecting plate, and a telescopic rod of the first fixed electric cylinder passes through the connecting plate and is connected to a second rubber pad.
7. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 6, characterized in that: The side wall of the installation box is provided with an installation positioning notch for accommodating the positioning of the fixing plate.
8. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 1, characterized in that: The positioning assembly comprises a positioning adjustment rod, the positioning adjustment rod is connected to a lower supporting plate, and a supporting pad is arranged on the lower supporting plate.
9. The clamp for the common boom front fork of multiple models used by the welding robot according to claim 1, characterized in that: The positioning assembly comprises a positioning and adjusting electric cylinder, the positioning and adjusting electric cylinder is connected to a lower supporting plate, and a supporting pad is arranged on the lower supporting plate.
10. The clamp for the common boom front fork of multiple models used in welding robots according to claim 8 or 9, characterized in that: A group of bottom fixing components are respectively provided on both sides of the positioning component, and the bottom fixing components include a lower connecting plate, the lower connecting plate is connected to a lower supporting plate, a second fixed electric cylinder is provided on the lower supporting plate, and a telescopic rod of the second fixed electric cylinder passes through the lower supporting plate and is connected to a third rubber pad.