Positioning structure of material frame and material warehouse

By using the positioning structure of the material frame and the material storage, the problems of high space occupation and equipment cost of the central platform in the top cover welding workshop are solved, and efficient top cover positioning and robot grasping are achieved, thereby improving production efficiency.

CN223629745UActive Publication Date: 2025-12-05CHONGQING MULSTRONG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202423090515.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-05
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing roof welding workshop requires a centering platform to transfer the roof to ensure welding accuracy, which occupies a large area of ​​the factory and requires two robots for transfer, resulting in low production efficiency and high equipment costs.

Method used

Design a positioning structure for a material frame and a material storage bin, including a guiding component, a limiting component, and a fixing component. The guiding component guides the material frame into the material storage bin, the limiting component ensures the accurate positioning and fixing of the material frame within the material storage bin, and the fixing component fixes the material frame at the loading position, avoiding the need for an additional centering platform.

Benefits of technology

Ensuring the accurate movement path and final position of the material frame provides a positioning basis for the robot gripper, reducing site occupation and equipment costs, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a positioning structure of a material frame and a material warehouse, which comprises the material frame used for storing and transferring an automobile top cover; the material warehouse comprises a guiding assembly, a limiting assembly and a fixing assembly, the guiding assembly is used for guiding the material frame into the material warehouse, the limiting assembly is used for limiting the material frame in the guiding direction of the guiding assembly, and the fixing assembly is used for fixing the material frame in the material warehouse. The material frame for storing the automobile top cover is guided into the material warehouse through the guide assembly, the movement of the material frame in the length direction of the material warehouse is limited through the limiting component, the material frame is made to stay at the preset feeding position, and the material frame and the material warehouse are fixed through the fixing assembly. The material frame is positioned through the material warehouse, the feeding position of the material frame is determined, it can be effectively guaranteed that the moving path of the material frame is accurate, the final position of the material frame is accurate, a positioning basis is provided for a robot gripper, and it is guaranteed that the feeding position of an automobile top cover is accurate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to a material frame and material warehouse positioning structure. BACKGROUND

[0002] With the development of China's automobile industry, the current welding production line has basically all adopted robot welding, and the top cover loading and welding are also the same.

[0003] At present, since the precision requirement of the body-in-white for the top cover is high, the top cover product is relatively thin, if the robot directly grabs the top cover to the body, the precision of the top cover on the body cannot be guaranteed, therefore various centering tables appear in the welding workshop, the top cover is placed on the centering table by manual or robot or other transmission equipment such as EMS, and then the robot grabs the part from the centering table to the body, so as to guarantee the welding precision of the top cover on the body. However, the whole process needs a separate centering table, which occupies a large area of factory building, and two robots are needed to transfer the top cover to complete the centering welding, which occupies space, reduces production efficiency and increases equipment cost. SUMMARY

[0004] In view of the above-mentioned defects of the prior art, the purpose of the utility model is to provide a material frame and material warehouse positioning structure, which is used to solve the problem that the existing top cover welding workshop needs to set a centering table to transfer the top cover to ensure the welding precision of the top cover and the body, however, the setting of the centering table occupies a large area of factory building, and two robots are needed to transfer the top cover to complete the centering welding, which occupies space, reduces production efficiency and increases equipment cost.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a material frame and material warehouse positioning structure, which comprises:

[0006] The material frame is used to store and transfer the top cover of the automobile.

[0007] The material warehouse comprises a guide assembly, a limiting assembly and a fixing assembly, the guide assembly is used to guide the material frame into the material warehouse, the limiting assembly is used to limit the guide direction of the material frame along the guide assembly, and the fixing assembly is used to fix the material frame in the material warehouse.

[0008] Optionally, the material warehouse further comprises a horizontal positioning assembly, which is used to position the material frame in the material warehouse in a horizontal state.

[0009] Optionally, the material warehouse is provided with a positioning area for storing the material frame, the material warehouse is provided with a gap for the material frame to enter the positioning area, the guide assembly comprises guide rails symmetrically arranged on both sides of the positioning area, and one end of the guide rail close to the gap is provided with a guide portion.

[0010] Optionally, the material frame is provided with a guide wheel set, which is used in cooperation with the guide assembly, and the guide wheel set comprises a first guide wheel and a second guide wheel. The material frame is provided with at least two first guide wheels in the width direction and at one end of the material frame in the length direction, and the first guide wheels are used in cooperation with the guide part. The material frame is provided with a plurality of second guide wheels in the length direction and at both ends of the material frame in the width direction, and the second guide wheels are used in cooperation with the guide rail.

[0011] Optionally, the horizontal positioning assembly comprises a plurality of horizontal positioning blocks, which are distributed on both sides of the positioning area and parallel to the guide rail.

[0012] Optionally, the bottom of the material frame is provided with a horizontal positioning guide wheel corresponding to the horizontal positioning block, which is used in cooperation with the horizontal positioning block, and the horizontal positioning block has a horizontal positioning surface and an inclined guide surface.

[0013] Optionally, the limiting assembly is arranged on the side opposite to the notch of the material warehouse, and the limiting assembly comprises a moving limiting part and a buffer limiting part. The moving limiting part is used for limiting the movement of the material frame in the length direction of the guide rail, and the buffer limiting part is used for buffering the limiting of the material frame in the length direction of the guide rail.

[0014] Optionally, the fixing assembly is arranged on the side opposite to the notch of the material warehouse, and the fixing assembly comprises a fixing driving part and a fixing block. The fixing block is rotationally arranged on the fixing driving part, and the fixing driving part is used for driving the rotation of the fixing block, so that the fixing block cooperates with the material frame to fix the material frame in the positioning area.

[0015] Optionally, the material frame is provided with a first positioning part and a second positioning part. The first positioning part is arranged corresponding to the moving limiting part, and the second positioning part is used in cooperation with the fixing block.

[0016] Optionally, the material frame is provided with a positioning plate, which is used for positioning the AGV.

[0017] The utility model discloses have the following beneficial effects: through the orientation subassembly with the material frame that deposits car roof is oriented and enters the warehouse, make material frame can with the posture of determination smoothly enter the warehouse, through the limiting part to material frame along the length direction of warehouse movement limit, make material frame stay in the preset loading position, and through fixed component with material frame and warehouse fixed, make material frame fixed in loading position. The warehouse of the application is positioned to material frame, make the loading position of material frame determine, can effectively ensure that the moving path of material frame is accurate and the final position of movement is accurate, provide the positioning basis for robot gripper, guarantee the position accurate of car roof loading, do not need to set up the centering platform adapter roof, effectively reduce the area of site occupation, and do not need to carry out the step of roof and centering platform adapter again, effectively improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The positioning structure diagram of material frame and material frame shown in the embodiment of the application is shown.

[0019] Figure 2 The structure diagram of the material frame is shown. Figure 1 The structure diagram of the material frame is shown.

[0020] Figure 3 The structure diagram of the material frame is shown. Figure 2 The structure diagram of the horizontal positioning block is shown.

[0021] Figure 4 The structure diagram of the material frame is shown. Figure 1 The structure diagram of the material frame is shown.

[0022] Figure 5 The structure diagram of the material frame is shown. Figure 4 The structure diagram of the support rod and the bearing block is shown.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] Material frame 1, guide wheel set 101, first guide wheel 101a, second guide wheel 101b, horizontal positioning guide wheel 102, first positioning part 103, second positioning part 104, positioning plate 105, support rod 106, limiting column 106a, bearing block 107, bearing part 107a, support part 107b, warehouse 2, guide assembly 3, guide rail 301, guide part 302, limiting assembly 4, movement limiting part 401, buffer limiting part 402, fixed assembly 5, fixed drive part 501, fixed block 502, horizontal positioning block 6, horizontal positioning surface 601, inclined guide surface 602. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be described in detail by specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art from the content disclosed in the present specification. The present application can also be implemented or applied by different specific embodiments, and various modifications or changes can be made to the details in the present specification based on different views and applications without departing from the spirit of the present application.

[0026] Please refer to Figures 1 to 5 It should be noted that the drawings provided in the present embodiment only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component when actually implemented can be arbitrarily changed, and the component layout pattern can also be more complex. The structure, proportion, size, etc. shown in the drawings attached to the present specification are only used to understand and read the content disclosed in the present specification for those skilled in the art, and do not limit the conditions under which the present application can be implemented, so they do not have substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for the convenience of clear understanding of the description, not for limiting the scope in which the present application can be implemented, and the change or adjustment of the relative relationship without substantially changing the technical content is also considered as the scope in which the present application can be implemented.

[0027] Before the embodiments of the present application are described in detail, the application environment of the present application is described first. The technology of the present application is mainly applied in the field of automobile manufacturing technology. The present application is used to solve the problem that the existing top cover welding workshop needs to set up a centering table to transfer the top cover to ensure the welding precision of the top cover and the vehicle body, but the setting of the centering table occupies a large amount of factory area, and two robots are needed to transfer the top cover to complete the center welding, which occupies space and reduces production efficiency and increases equipment cost.

[0028] Please refer to Figures 1 to 5 , the present application provides a positioning structure of a material frame and a material warehouse.

[0029] In an exemplary embodiment of the present application, the positioning structure of the material frame 1 and the material warehouse 2 comprises: a material frame 1 for storing and transporting automobile top covers; a material warehouse 2 comprising a guide assembly 3, a limiting assembly 4 and a fixing assembly 5, the guide assembly 3 is used to guide the material frame 1 into the material warehouse 2, the limiting assembly 4 is used to limit the guiding direction of the material frame 1 along the guide assembly 3, and the fixing assembly 5 is used to fix the material frame 1 in the material warehouse 2.

[0030] In the embodiment, the frame 1 storing the automobile roof is guided into the magazine 2 by the guiding assembly 3, so that the frame 1 can enter the magazine 2 stably in a determined posture; the movement of the frame 1 along the length direction of the magazine 2 is limited by the limiting component, so that the frame 1 stays at a preset feeding position, and the frame 1 is fixed with the magazine 2 by the fixing assembly 5, so that the frame 1 is fixed at the feeding position. The magazine 2 is used for positioning the frame 1 in the embodiment, so that the feeding position of the frame 1 is determined, the moving path of the frame 1 is accurately ensured, and the final position is accurately ensured, a positioning basis is provided for the robot gripper, and the feeding position of the automobile roof is accurately ensured; no additional centering table is needed to transfer the automobile roof, the area occupied by the site is effectively reduced, and no step of transferring the automobile roof and the centering table is needed, so that the production efficiency is effectively improved.

[0031] It is worth noting that the frame 1 is provided with a plurality of support rods 106, each support rod 106 is distributed with a plurality of bearing blocks 107 along the length direction, the bearing blocks 107 are rotationally arranged on the support rods 106, the support rods 106 are provided with a plurality of limiting columns 106a, the limiting columns 106a are used for rotationally limiting the bearing blocks 107, and the rotation angle of the bearing blocks 107 is limited; the bearing blocks 107 are provided with bearing portions 107a and support portions 107b, the bearing portions 107a are used for bearing the automobile roof, when the automobile roof is taken away from the bearing portions 107a, the bearing blocks 107 rotate between the support rods 106 under the action of gravity, the weight of the support portions 107b is greater than that of the bearing portions 107a, so that the support portions 107b rotate downward, and the bearing portions 107a rotate upward, so as to avoid the automobile roof below the current bearing block 107 from being taken out of the frame 1; the support portions 107b below the current bearing block 107 along the length direction of the support rods 106 are used for supporting the support portions 107b of the current bearing block 107.

[0032] The bottom of the frame 1 is circumferentially distributed with a plurality of universal wheels, which are used for conveniently moving the frame 1; the frame 1 is provided with a handrail, which is convenient for an operator to push and pull the frame 1; the operator can push and pull the frame 1 through the handrail, and manually and conveniently move the frame 1 through the universal wheels.

[0033] In an example embodiment of the present application, the magazine 2 further comprises a horizontal positioning assembly, which is used for positioning the frame 1 in the magazine 2 in a horizontal state.

[0034] In the embodiment, the frame 1 is positioned in the horizontal state by the horizontal positioning assembly, so as to avoid the influence of uneven ground on the posture of the frame 1, thereby avoiding the influence on the mechanical hand grabbing the automobile roof and ensuring the grabbing accuracy.

[0035] In an example embodiment of the present application, the magazine 2 is provided with a positioning area for storing the material frame 1, the magazine 2 is provided with a gap for the material frame 1 to enter the positioning area, and the guide assembly 3 includes guide rails 301 symmetrically arranged on both sides of the positioning area, and the guide rails 301 are provided with guide portions 302 at one end close to the gap.

[0036] In the present embodiment, the guide rails 301 are arranged on both sides of the gap to position the material frame 1 in the width direction; the guide portions 302 at the positions close to the gap of the two guide rails 301 form an open structure, so that the material frame 1 does not need to be accurately aligned with the guide rails 301 when entering the magazine 2, and the material frame 1 can be guided into the guide rails 301 through the guide portions 302, thereby simplifying the alignment steps of the material frame 1 and the guide rails 301 and improving the work efficiency.

[0037] In an example embodiment of the present application, the material frame 1 is provided with a guide wheel set 101 for cooperating with the guide assembly 3, the guide wheel set 101 includes first guide wheels 101a and second guide wheels 101b, at least two first guide wheels 101a are arranged on the material frame 1 in the width direction and located at one end of the material frame 1 in the length direction, and the first guide wheels 101a are used for cooperating with the guide portions 302; a plurality of second guide wheels 101b are arranged on the material frame 1 in the length direction and located at both ends of the material frame 1 in the width direction, and the second guide wheels 101b are used for cooperating with the guide rails 301.

[0038] In the present embodiment, the first guide wheels 101a are arranged at the front end of the material frame 1 entering the magazine 2 and located at both ends of the front end of the material frame 1 in the width direction, and the first guide wheels 101a can effectively guide the front end of the material frame 1 into the guide rails 301 through the cooperation with the guide portions 302; the structure of the cooperation between the first guide wheels 101a and the guide portions 302 enables the material frame 1 reaching the magazine 2 at any angle to be guided into the guide rails 301, so that the material frame 1 reaches the feeding position in a determined posture; the second guide wheels 101b are arranged on the two long sides of the material frame 1, and the movement of the material frame 1 in the magazine 2 is guided through the cooperation between the second guide wheels 101b and the guide rails 301, so that the material frame 1 does not deviate during the movement, and the friction between the guide rails 301 and the material frame 1 is effectively reduced through the arrangement of the second guide wheels 101b.

[0039] In an example embodiment of the present application, the horizontal positioning assembly includes a plurality of horizontal positioning blocks 6 arranged on both sides of the positioning area and parallel to the guide rails 301.

[0040] In the embodiment, the horizontal positioning blocks 6 are arranged in parallel with the guide rails 301 and are staggered in the height direction and the width direction of the material warehouse 2, and are arranged below the guide rails 301. The horizontal positioning blocks 6 enable the material frame 1 to be positioned in the material warehouse 2 in a horizontal posture, avoiding the influence of the height position deviation of the material frame 1 on the material taking of the mechanical gripper. Two horizontal positioning blocks 6 are arranged on the two sides of the positioning area respectively, and the rectangular structure formed by the four horizontal positioning blocks 6 supports the material frame 1, avoiding the inclination of the material frame 1.

[0041] In an example embodiment of the present application, the bottom of the material frame 1 is provided with a horizontal positioning guide wheel 102 corresponding to the horizontal positioning block 6. The horizontal positioning guide wheel 102 is used to cooperate with the horizontal positioning block 6. The horizontal positioning block 6 has a horizontal positioning surface 601 and an inclined guide surface 602.

[0042] In the embodiment, the inclined guide surface 602 arranged in front of the horizontal positioning block 6 cooperates with the horizontal positioning guide wheel 102. Only the horizontal positioning guide wheel 102 needs to be moved along the guide surface to the horizontal positioning surface 601 to complete the positioning, without the need for complex adjustment and calibration.

[0043] In an example embodiment of the present application, the limiting assembly 4 is arranged on the side of the material warehouse 2 opposite to the gap. The limiting assembly 4 includes a moving limiting component 401 and a buffer limiting component 402. The moving limiting component 401 is used to limit the movement of the material frame 1 in the length direction of the guide rail 301. The buffer limiting component 402 is used to buffer the movement of the material frame 1 in the length direction of the guide rail 301.

[0044] In the embodiment, two groups of moving limiting components 401 are distributed in the width direction of the material frame 1. The moving limiting components 401 limit the movement of the material frame 1 in the movement direction of the material warehouse 2, and limit the material frame 1 to the feeding position. The buffer limiting component 402 buffers the material frame 1, avoiding the impact between the material frame 1 and the material warehouse 2.

[0045] In an example embodiment of the present application, the fixing assembly 5 is arranged on the side of the material warehouse 2 opposite to the gap. The fixing assembly 5 includes a fixing driving component 501 and a fixing block 502. The fixing block 502 is rotationally arranged on the fixing driving component 501. The fixing driving component 501 is used to drive the fixing block 502 to rotate, so that the fixing block 502 cooperates with the material frame 1 to fix the material frame 1 in the positioning area.

[0046] In the embodiment, the fixed driving component 501 includes but is not limited to a cylinder, and a transmission assembly is arranged between the fixed driving component 501 and the fixed block 502, which includes but is not limited to a crank connecting rod mechanism, a gear and rack mechanism, etc. The linear motion of the fixed driving component 501 is converted into the rotary motion of the fixed block 502 through the transmission assembly. When the material frame 1 is in place, i.e. the material frame 1 cooperates with the moving limiting component 401, the fixed driving component 501 drives the fixed block 502 to rotate to contact the material frame 1, so that the fixed block 502 presses the material frame 1, thereby fixing the material frame 1 at the feeding position along the length direction of the material warehouse 2. When the material frame 1 is empty, the fixed driving component 501 drives the fixed block 502 to rotate to reset, so as to release the material frame 1 and avoid interference with the movement of the material frame 1 along the length direction of the material frame 1.

[0047] In an example embodiment of the present application, the material frame 1 is provided with a first positioning component 103 and a second positioning component 104. The first positioning component 103 is arranged corresponding to the moving limiting component 401, and the second positioning component 104 is used to cooperate with the fixed block 502.

[0048] In the embodiment, the first positioning component 103 is used to cooperate with the moving limiting component 401 arranged on the material frame 1, so as to avoid direct contact between the material frame 1 and the material warehouse 2. The second positioning component 104 is used to cooperate with the fixed block 502, so as to avoid direct contact between the material frame 1 and the fixed block 502.

[0049] In an example embodiment of the present application, the material frame 1 is provided with a positioning plate 105, which is used to position the AGV.

[0050] In the embodiment, the bottom of the material frame 1 is provided with the positioning plate 105 for positioning the AGV. The AGV is connected with the material frame 1 through the positioning plate 105 and transports the material frame 1, so as to transfer the material frame 1 through the AGV.

[0051] Working principle, the material frame 1 storing automobile roof is guided into the material warehouse 2 through the guide assembly 3, so that the material frame 1 can enter the material warehouse 2 stably in a determined posture. The movement of the material frame 1 along the length direction of the material warehouse 2 is limited through the limiting component, so that the material frame 1 stays at the preset feeding position. The material frame 1 is fixed with the material warehouse 2 through the fixing assembly 5, so that the material frame 1 is fixed at the feeding position. The material frame 1 is positioned by the material warehouse 2 in the embodiment, so that the feeding position of the material frame 1 is determined, which can effectively ensure the accuracy of the moving path and the final position of the material frame 1, provide positioning basis for the robot gripper, and ensure the accuracy of the automobile roof feeding position. The centering table adapter is not needed, the site occupation area is effectively reduced, and the step of adapter of the roof and the centering table is not needed, so that the production efficiency is effectively improved.

[0052] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A material frame and magazine positioning structure, characterized by, The utility model relates to a material frame storage and transportation device for automobile roof, which comprises a material frame and a material warehouse. The material warehouse further comprises a horizontal positioning assembly for positioning the material frame in the material warehouse in a horizontal state. The material warehouse is provided with a positioning area for storing the material frame, and is provided with a gap for the material frame to enter the positioning area.

2. The magazine and hopper positioning structure according to claim 1, characterized by: The material frame is provided with a guide wheel set for cooperating with the guide assembly.

3. The magazine and magazine holder positioning structure according to claim 2, characterized by: The horizontal positioning assembly comprises a plurality of horizontal positioning blocks distributed on both sides of the positioning area and parallel to the guide rails.

4. The magazine and hopper positioning structure according to claim 3, characterized by: The bottom of the material frame is provided with a horizontal positioning guide wheel corresponding to the horizontal positioning blocks.

5. The magazine and hopper positioning structure according to claim 3, wherein: The limiting assembly is arranged on the side of the material warehouse opposite to the gap.

6. The magazine and hopper positioning structure according to claim 5, wherein: The fixing assembly is arranged on the side of the material warehouse opposite to the gap.

7. The magazine and hopper positioning structure according to claim 3, wherein: The material frame is provided with a first positioning component and a second positioning component.

8. The magazine and hopper positioning structure according to claim 7, characterized by: The material frame is provided with a positioning plate for positioning an AGV.

9. The magazine and hopper positioning structure according to claim 8, wherein: ​ 10. The magazine and hopper positioning structure according to claim 1, characterized by: ​