Mechanical quick-changing and transferring mechanism
By designing a mechanical quick change and transfer mechanism including a standard mounting frame and a quick change truck, the problems of low rapid switching efficiency and high operating strength of welding fixtures are solved, and the fast, stable switching and efficient transfer of fixtures are achieved, reducing production costs and worker operating strength.
Patent Information
- Application Number
- CN202421374314.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-17
AI Technical Summary
In the prior art, the rapid switching efficiency of welding fixtures is low, the worker's operating strength is high, and it is difficult to achieve rapid and stable switching of fixtures, resulting in increased production costs and inconvenience in production.
A mechanical quick change and transfer mechanism is designed, including a standard mounting frame and a quick change truck. The fast switching and transfer of fixtures are achieved through lifting components, guide components and steel ball roller sets to ensure stable installation and rapid replacement of fixtures on the workstation.
It realizes rapid and stable switching of welding fixtures, reduces worker operating strength, improves equipment utilization, reduces production costs, and simplifies the transfer and installation process of fixtures.
Smart Images

Figure CN222767544U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of robot integration, in particular to a mechanical quick-change and transfer mechanism. Background Art
[0002] At present, the products in the automotive industry are developing towards multi-variety, diversification and personalization, with many varieties and small quantities. Different products need to use different welding fixtures to produce. In order to meet market demand, it is necessary to use an automated production line that can quickly switch welding fixtures for production. Fast fixture switching is an indispensable process equipment in flexible production lines. In traditional technical means, welding fixtures are generally transported or switched manually using a crane or forklift. Not only is the switching efficiency low, the workers' operation intensity is high, and it is difficult to align the fixture and put it on the welding workbench; with the development of the times, some manufacturers in the existing technology use the method of establishing robot workstations for welding, but most of them need to invest more costs to establish more robot welding workstations, which greatly increases the production costs of enterprises, and the frequent replacement of robot workstations is also very inconvenient. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a mechanical quick-change and transfer mechanism that can stably use a robot workstation and realize rapid switching and convenient transfer.
[0004] The utility model solves the technical problem by adopting the following technical solutions:
[0005] A mechanical quick-change and transfer mechanism, comprising:
[0006] A standard mounting frame and a quick-change trolley, wherein the standard mounting frame is movably mounted on the quick-change trolley, and the standard mounting frame comprises a rectangular frame and matching blocks arranged on two short sides of the rectangular frame; the quick-change trolley comprises a lifting assembly, a guide assembly, casters and a frame, and the frame comprises a bottom frame and a top frame, and the bottom frame and the top frame are arranged in double layers in parallel, and casters are installed at the four lower corners of the bottom frame, and the top frame is arranged above the bottom frame through a lifting assembly, and a guide assembly is arranged on the frame body of the top frame.
[0007] Moreover, hanging rings are installed at the four corners of the upper part of the rectangular frame, a matching block is fixedly installed on the two short sides of the rectangular frame, and a matching hole is arranged at the center of the matching block.
[0008] Moreover, the top frame is provided with a cross beam, and a side beam is vertically arranged in the same direction at both ends of the cross beam, a short beam is vertically arranged facing each other at the other end of the side beam, and an intermediate beam is vertically arranged in the same direction at the other end of the short beam, the other end of the intermediate beam is connected to the cross beam, and a connecting beam is arranged in the middle of the two intermediate beams. The bottom frame and the top frame have the same structure and are arranged in parallel, and the top frame is arranged above the bottom frame.
[0009] Moreover, the guide assembly includes a guide support, a guide plate, a guide strip, a guide column, a hand latch, a positioning hole and a steel ball roller group. The outer sides of the two side beams of the top frame are respectively installed with guide supports, and the guide support is L-shaped. The horizontal part of the guide support is fixedly installed on the outer side of the side beam, and a guide plate is fixedly installed on the vertical part of the guide support. An L-shaped guide strip is fixedly installed on the outer side of the guide plate. A positioning hole is provided at the center of the guide plate, and a hand latch is movably installed on the positioning hole; a steel ball roller group is also fixedly installed on the side beam of the top frame, and a guide column is fixedly installed on the short beam inside the steel ball roller group.
[0010] Moreover, the lifting mechanism includes bolts, fixing columns, fixing plates and adjusting plates, the fixing columns are vertically fixed on the two ends of the bottom frame side beams, a fixing plate is fixed on the inner side of the fixing columns, the fixing plate includes a vertical plate and a bottom plate, the vertical plate is fixed on the inner side of the fixing columns, the bottom plate is respectively fixed on the cross beam and the short beam of the bottom frame, an adjusting plate is movably installed on the other side of the vertical plate, the adjusting plate is L-shaped, the vertical portion of the adjusting plate is movably connected with the vertical plate of the fixing plate, the horizontal portion of the adjusting plate is parallel to the bottom plate of the fixing plate, and an adjusting hole is provided on the horizontal portion of the adjusting plate, one end of the bolt passes through the adjusting hole and is placed on the bottom plate of the fixing plate, and the nut is locked on the horizontal portion of the adjusting plate.
[0011] Moreover, a locking mechanism is provided on the caster.
[0012] Furthermore, it also comprises a handle, which is arranged on the short beam.
[0013] The advantages and positive effects of the utility model are:
[0014] The utility model is used for a robot welding workstation. A clamp or other mechanism is installed on a standard mounting frame. The mechanism switching is fast and stable, and the cost is low. It meets the positioning switching requirements for spot welding of workstation products and improves equipment utilization. The clamp switching is simple and convenient, and the worker can operate it easily and at a low cost, meeting the demand for fast production switching.
[0015] The utility model provides a lifting mechanism between the bottom frame and the top frame, and adjusts the height of the top frame by adjusting the bolts on the lifting mechanism, so as to achieve height adjustment of the quick-change trolley, facilitate height matching with the workbench fixing device, and achieve fast switching of the clamp.
[0016] The utility model provides a steel ball roller group on the side beam of the top frame, and after adjusting the height of the quick-change trolley, the standard mounting frame and the clamp on the standard mounting frame are pushed by the sliding force of the steel ball roller, which saves time and labor.
[0017] The utility model provides a guide assembly on the frame body of the top frame, and limits the position of the standard mounting frame on the quick-change trolley through the cooperation of the guide column and the guide bar of the guide assembly, and then locks the matching hole and the positioning hole through the hand latch, so as to realize the locking of the standard mounting frame and prevent the standard mounting frame from shaking and falling on the quick-change trolley. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a structural schematic diagram of the standard mounting bracket of the utility model being placed on a quick-change trolley.
[0019] Figure 2 It is a schematic diagram of the structure of the standard mounting frame and the quick-change trolley separated from the utility model.
[0020] Figure 3 It is a top view of the standard mounting frame of the utility model.
[0021] Figure 4 It is a bottom view of the quick-change trolley of the utility model.
[0022] Figure 5 It is a structural schematic diagram of the quick-change trolley of the utility model.
[0023] Reference numerals
[0024] 1-standard mounting frame, 2-quick-change trolley, 3-top frame, 4-bottom frame, 5-castor, 6-matching hole, 7-standard hole, 8-rectangular frame, 9-lifting ring, 10-matching block, 11-crossbeam, 12-connecting beam, 13-middle beam, 14-side beam, 15-short beam, 16-handle, 17-vertical part of the guide support, 18-horizontal part of the guide support, 19-steel ball roller, 20-steel ball roller group, 21-guide bar, 22-hand latch, 23-guide plate, 24-guide column, 25-vertical part of the adjustment plate, 26-horizontal part of the adjustment plate, 27-vertical plate, 28-bottom plate, 29-fixing column, 30-nut, 31-bolt. DETAILED DESCRIPTION
[0025] The present invention will be further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are merely descriptive and not restrictive, and the protection scope of the present invention cannot be limited thereto.
[0026] A mechanical quick-change and transfer mechanism, comprising:
[0027] A standard mounting frame 1 and a quick-change trolley 2, wherein the standard mounting frame 1 is movably mounted on the quick-change trolley 2, the standard mounting frame 1 comprises a rectangular frame 8 and matching blocks 10 arranged on two short sides of the rectangular frame 8; the quick-change trolley 2 comprises a lifting assembly, a guide assembly, casters 5 and a frame, the frame comprises a bottom frame 4 and a top frame 3, the bottom frame 4 and the top frame 3 are arranged in double layers in parallel, casters 5 are installed at the four lower corners of the bottom frame 4, the top frame 3 is arranged above the bottom frame 4 through a lifting assembly, and a guide assembly is arranged on the frame body of the top frame 3.
[0028] The four corners of the upper part of the rectangular frame 8 are all equipped with lifting rings 9 for easy lifting. A matching block 10 is fixedly installed on the two short sides of the rectangular frame 8. A matching hole 6 is provided at the center of the matching block 10. The matching hole 6 is matched with the hand latch 22 of the guide mechanism to lock the standard mounting frame 1.
[0029] In the embodiment of the utility model, the rectangular frame 8 is also provided with a plurality of standard holes 7 for installing fixtures or other equipment.
[0030] The top frame 3 is provided with a cross beam 11, and a side beam 14 is vertically arranged at both ends of the cross beam 11 in the same direction, and a short beam 15 is vertically arranged at the other end of the side beam 14, and a middle beam 13 is vertically arranged at the other end of the short beam 15 in the same direction. The other end of the middle beam 13 is connected to the cross beam 11, and a connecting beam 12 is arranged in the middle of the two middle beams 13. The bottom frame 4 and the top frame 3 have the same structure and are arranged in parallel, and the top frame 3 is arranged above the bottom frame 4.
[0031] The guide assembly includes a guide support, a guide plate 23, a guide bar 21, a guide column 24, a hand latch 22, a positioning hole and a steel ball roller group 20. The outer sides of the two side beams 14 of the top frame 3 are respectively installed with guide supports. The guide support is L-shaped. The horizontal portion 18 of the guide support is fixedly mounted on the outer side of the side beam 14. A guide plate 23 is fixedly mounted on the vertical portion 17 of the guide support. An L-shaped guide bar 21 is fixedly mounted on the outer side of the guide plate 23. A positioning hole is provided at the center of the guide plate 23, and a hand latch 22 is movably mounted on the positioning hole. A steel ball roller group 20 is also fixedly mounted on the side beam 14 of the top frame 3, and a guide column 24 is fixedly mounted on the short beam 15 inside the steel ball roller group 20. The steel ball roller group 20 is composed of a plurality of steel ball rollers 19, which is convenient for the staff to slide the standard mounting frame 1 from the workstation fixing device into the steel ball roller group 20 of the quick-change trolley 2, reduce the moving resistance, and facilitate docking.
[0032] In the embodiment of the utility model, when the standard mounting frame 1 is pushed onto the quick-change trolley 2, the position of the standard mounting frame 1 is positioned by the cooperation between the guide column 24 and the guide bar 21, and the positioning hole is aligned with the matching hole 6 on the matching block 10. The hand latch 22 is inserted into the positioning hole to lock the standard mounting frame 1 to prevent the standard mounting frame 1 from sliding out of the quick-change trolley 2 at will.
[0033] The lifting mechanism includes bolts 31, fixed columns 29, fixed plates and adjustment plates. The fixed columns 29 are vertically fixed at both ends of the side beams 14 of the bottom frame 4. A fixed plate is fixed on the inner side of the fixed columns 29. The fixed plate includes a vertical plate 27 and a bottom plate 28. The vertical plate 27 is fixed on the inner side of the fixed columns 29. The bottom plate 28 is respectively fixed on the cross beam 11 and the short beam 15 of the bottom frame 4. An adjustment plate is movably installed on the other side of the vertical plate 27. The adjustment plate is L-shaped. The vertical portion 25 of the adjustment plate is movably connected to the vertical plate 27 of the fixed plate. The horizontal portion 26 of the adjustment plate is parallel to the bottom plate 28 of the fixed plate, and an adjustment hole is provided on the horizontal portion 26 of the adjustment plate. One end of the bolt 31 passes through the adjustment hole and is placed on the bottom plate 28 of the fixed plate. The nut 30 is locked on the horizontal portion 26 of the adjustment plate. When the height of the quick-change trolley 2 needs to be adjusted, the height of the top frame 3 is adjusted by adjusting the nut on the bolt 31, thereby adjusting the height of the quick-change trolley 2, which is convenient for docking with the workstation fixing device.
[0034] The caster 5 is provided with a locking mechanism, which locks the quick-change trolley 2 to prevent it from sliding when the standard mounting frame 1 is docked with the workbench fixing device.
[0035] It also includes a handle 16, which is arranged on the end of the short beam 15 opposite to the steel ball roller assembly 20. When the standard mounting frame 1 is docked with the workbench fixing device, the handle 16 can be held to push the quick-change trolley 2 when moving, which is convenient and labor-saving.
[0036] Working principle:
[0037] The worker pushes the quick-change trolley into the workstation, adjusts the bolts according to the height of the workstation fixture to adjust the height of the quick-change trolley, removes the hand latch, and the standard mounting frame slides from the workstation fixture through the steel ball roller group into the top frame of the quick-change trolley. Guide strips are set on both sides of the top frame to prevent the standard mounting frame from sliding out of the quick-change trolley at will. When the standard mounting frame slides to the guide column, the hand latch is manually inserted into the positioning holes of the standard mounting frame and the quick-change trolley, and the standard mounting frame is fixed. The worker pushes the quick-change trolley and the standard mounting frame out of the workstation, and then pushes other standard mounting frames into the workstation through the quick-change trolley. Use the same sequence to import the standard mounting frame into the workstation and start working on new products.
[0038] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.
Claims
1. A mechanical quick-change and transfer mechanism, characterized in that: include: A standard mounting frame and a quick-change trolley, wherein the standard mounting frame is movably mounted on the quick-change trolley, and the standard mounting frame comprises a rectangular frame and matching blocks arranged on two short sides of the rectangular frame; the quick-change trolley comprises a lifting assembly, a guide assembly, casters and a frame, and the frame comprises a bottom frame and a top frame, and the bottom frame and the top frame are arranged in double layers in parallel, and casters are installed at the four lower corners of the bottom frame, and the top frame is arranged above the bottom frame through a lifting assembly, and a guide assembly is arranged on the frame body of the top frame.
2. A mechanical quick-change and transfer mechanism according to claim 1, characterized in that: Hanging rings are installed at the four upper corners of the rectangular frame, and a matching block is fixedly installed on the two short sides of the rectangular frame. A matching hole is arranged at the center of the matching block.
3. A mechanical quick-change and transfer mechanism according to claim 1, characterized in that: The top frame is provided with a cross beam, and a side beam is vertically arranged in the same direction at both ends of the cross beam, a short beam is vertically arranged facing each other at the other end of the side beam, and a middle beam is vertically arranged in the same direction at the other end of the short beam, the other end of the middle beam is connected to the cross beam, and a connecting beam is arranged in the middle of the two middle beams. The bottom frame and the top frame have the same structure and are arranged in parallel, and the top frame is arranged above the bottom frame.
4. A mechanical quick-change and transfer mechanism according to claim 1, characterized in that: The guide assembly includes a guide support, a guide plate, a guide strip, a guide column, a hand latch, a positioning hole and a steel ball roller group. The outer sides of the two side beams of the top frame are respectively installed with guide supports. The guide support is L-shaped. The horizontal part of the guide support is fixedly installed on the outer side of the side beam. A guide plate is fixedly installed on the vertical part of the guide support. An L-shaped guide strip is fixedly installed on the outer side of the guide plate. A positioning hole is provided at the center of the guide plate, and a hand latch is movably installed on the positioning hole. A steel ball roller group is also fixedly installed on the side beam of the top frame, and a guide column is fixedly installed on the short beam inside the steel ball roller group.
5. A mechanical quick-change and transfer mechanism according to claim 1, characterized in that: The lifting assembly includes bolts, a fixing column, a fixing plate and an adjusting plate. The fixing column is vertically fixed to the two ends of the bottom frame side beams, and a fixing plate is fixed on the inner side of the fixing column. The fixing plate includes a vertical plate and a bottom plate. The vertical plate is fixed to the inner side of the fixing column, and the bottom plate is respectively fixed on the cross beam and the short beam of the bottom frame. An adjusting plate is movably installed on the other side of the vertical plate. The adjusting plate is L-shaped, and the vertical part of the adjusting plate is movably connected to the vertical plate of the fixing plate. The horizontal part of the adjusting plate is parallel to the bottom plate of the fixing plate, and an adjusting hole is provided on the horizontal part of the adjusting plate. One end of the bolt passes through the adjusting hole and is placed on the bottom plate of the fixing plate, and the nut is locked on the horizontal part of the adjusting plate.
6. A mechanical quick-change and transfer mechanism according to claim 1, characterized in that: The caster is provided with a locking mechanism.
7. A mechanical quick-change and transfer mechanism according to claim 1, characterized in that: The utility model also comprises a handle, wherein the handle is arranged on the short beam.