Welding equipment for vehicle door preassembling assembly

Abstract

The utility model relates to welding equipment for a vehicle door preassembling assembly, which comprises a welding die and a driving module, the vehicle door preassembling assembly comprises a vertical column structure extending longitudinally and a shell structure matched with one end of the vertical column structure, and the welding die comprises an upper pressing plate, a lower pressing plate, an upper die, a bottom die and a guide component. The two sides of the upper pressing plate and the two sides of the lower pressing plate are connected through guide assemblies, the bottom of the upper pressing plate is connected with an upper die through a connecting column, the upper die is matched with a shell structure in size, and the upper die is provided with a plurality of welding fixing columns and welding heads which are matched with the shell structure in position. The bottom die comprises a head supporting table, a middle supporting table and a bottom limiting block which are sequentially distributed, the head supporting table is matched with the overlapped area of the stand column structure and the shell structure, a guide groove matched with the shape of the corresponding position of the stand column structure is formed in the top of the middle supporting table, and the bottom limiting block abuts against one end of the stand column structure. Compared with the prior art, the device has the advantages of simple structure, low energy consumption, high welding efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the field of welding equipment, in particular to a welding equipment for a door pre-assembly assembly. Background Art

[0002] The door pre-assembly assembly refers to the overall product in which the overall structure and components of the door have been completed during the production process. In the production process, hot riveting welding is required. In the existing welding solutions, most are welded by existing large-scale welding equipment. One method is to drive the robotic arm through a program to automatically drive the welding head to the target position for point-by-point welding, such as an automatic welding equipment for easy positioning and rapid die change disclosed in the utility model with the publication number CN218136007U; another method is to arrange multiple welding heads on the welding die of the welding equipment and configure a fixed base, and then perform welding, such as a welding die for an automotive reading lamp disclosed in the utility model with the publication number CN103770326A.

[0003] The first method above requires point-by-point welding and depends on the position recognition accuracy, with low work efficiency and unable to guarantee accuracy; in the second method, it is necessary to set up corresponding-shaped welding bases and upper welding dies according to the parts to be welded, with high costs, low versatility, and the upper die structure of the equipment is large and complex, and high energy consumption. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defects existing in the above-mentioned prior art and provide a welding equipment for a door pre-assembly assembly with a streamlined structure and reduced energy consumption.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A welding equipment for a door pre-assembly assembly includes a welding die and a driving module. The door pre-assembly assembly includes a column structure extending longitudinally and a housing structure cooperating with one end of the column structure. The welding die includes an upper pressing plate, a lower pressing plate, an upper die, a bottom die, and a guiding component. The two sides of the upper pressing plate and the lower pressing plate are connected to each other through the guiding component. The bottom of the upper pressing plate is connected to the upper die through a connecting column. The upper die is sized to cooperate with the housing structure. The upper die is provided with a plurality of welding fixing columns and welding heads that are positioned to cooperate with the housing structure.

[0007] The bottom die includes a head support table, a middle support table, and a bottom limiting block distributed in sequence. The head support table cooperates with the overlapping area of the column structure and the housing structure. The top of the middle support table is provided with a guiding groove that is shaped to cooperate with the corresponding position of the column structure. The bottom limiting block abuts against one end of the column structure.

[0008] Further, the welding fixing posts are distributed at the edges and in the middle area of the housing structure.

[0009] Further, the welding equipment further includes a middle fixing post, which is located above the middle support platform and cooperates with the middle support platform to fix the middle area of the column structure.

[0010] Further, the number of the head support platform, the middle support platform and the bottom limit block is two each, and they are divided into two groups of bottom die assemblies arranged side by side left and right; the two groups of bottom die assemblies are respectively used to support a pre-assembled door assembly, and the size of the upper die matches the total size of the housing structures of the two pre-assembled door assemblies.

[0011] Further, the welding fixing post includes a fixing base, a connecting rod and a cylindrical head connected in sequence. The fixing base is installed on the top of the upper die, the connecting rod passes through the upper die, and the cylindrical head is threadedly connected to the connecting rod.

[0012] Further, an external threaded rod is connected to the top of the cylindrical head, and an inner threaded groove is provided inside the connecting rod. The inner thread of the groove matches the external threaded rod.

[0013] Further, the head support platform, the middle support platform and the bottom limit block are all detachably fixed on the lower pressing plate by bolts.

[0014] Further, the number of the guiding assemblies is two, which are respectively arranged on both sides of the upper pressing plate and the lower pressing plate.

[0015] Further, the guiding assembly includes a left positioning and guiding unit, a right positioning and guiding unit and a middle buffer post. The left positioning and guiding unit and the right positioning and guiding unit are respectively located on both sides of the middle buffer post. The left positioning and guiding unit and the right positioning and guiding unit both include a plurality of guide sleeves fixed on the upper pressing plate and the lower pressing plate and guide posts connecting the guide sleeves at corresponding positions on the upper pressing plate and the lower pressing plate.

[0016] Further, the upper pressing plate is provided with a hollow.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] (1) In the present utility model, for the overlapping area between the column structure and the housing structure in the door pre-assembly assembly, an upper die and a head support platform of corresponding sizes are provided, and welding fixing columns are provided to limit and fix the housing structure. The overall structure is concise, which can reduce energy consumption. For the lower die structure, a split layout is adopted. The welding area is mainly supported by the head support platform, the middle part is supported and guided by the middle support platform, and the end part is limited by the bottom limiting block. Overall, the reliability of fixing the column structure is ensured, the structural cost is reduced, and the head support platform, the middle support platform and the bottom limiting block are all detachable structures, which can be adaptively adjusted according to products of different models, improving the versatility.

[0019] (2) In order to improve the welding efficiency, the present utility model provides two bottom die components arranged in parallel, and the size of the upper die is set to match the size of the overall housing structure obtained after two door pre-assembly assemblies are distributed on the bottom die components, so as to realize welding of two groups of door pre-assembly assemblies at the same time, further improving the welding efficiency.

[0020] (3) The welding fixing column provided by the present utility model can adjust the protruding length of the cylindrical head through threads, so as to realize the adaptive adjustment of the welding fixing column according to the height requirements of specific door pre-assembly assemblies, improving the versatility. Brief Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of a welding device for a door pre-assembly assembly provided in an embodiment of the present utility model;

[0022] Figure 2 is a schematic structural diagram of a guiding component provided in an embodiment of the present utility model;

[0023] Figure 3 is a schematic structural diagram of a bottom die provided in an embodiment of the present utility model;

[0024] Figure 4 is a schematic structural diagram of a welding fixing column provided in an embodiment of the present utility model;

[0025] In the figure, 1, column structure; 2, housing structure; 3, upper pressing plate; 4, lower pressing plate; 5, upper die; 51, welding fixing column; 511, fixing seat; 512, connecting rod; 513, cylindrical head; 52, welding head; 6, bottom die; 61, head support platform; 62, middle support platform; 621, guiding groove; 63, bottom limiting block; 7, guiding component; 701, guide sleeve; 702, guide post; 703, middle buffer column; 8, middle fixing column. Detailed Description of the Embodiment

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0028] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0030] It should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality" means two or more unless otherwise specifically defined.

[0031] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0032] Embodiment 1

[0033] As Figure 1As shown in the figure, this embodiment provides a welding device for a door pre-assembly assembly, including a welding die and a driving module. The door pre-assembly assembly includes a longitudinally extending column structure 1 and a housing structure 2 that cooperates with one end of the column structure 1. The welding die includes an upper pressing plate 3, a lower pressing plate 4, an upper die 5, a bottom die 6, and a guiding component 7. The two sides of the upper pressing plate 3 and the lower pressing plate 4 are connected to each other through the guiding component 7. The bottom of the upper pressing plate 3 is connected to the upper die 5 through a connecting column. The upper die 5 is sized to fit the housing structure 2, and the upper die 5 is provided with a plurality of welding fixing columns 51 and welding heads 52 that are positioned to cooperate with the housing structure 2.

[0034] As Figure 3 shown in the figure, the bottom die 6 includes a head support platform 61, a middle support platform 62, and a bottom limit block 63 that are distributed in sequence. The head support platform 61 cooperates with the overlapping area of the column structure 1 and the housing structure 2. The top of the middle support platform 62 is provided with a guiding groove 621 that is shaped to cooperate with the corresponding position of the column structure 1. The bottom limit block 63 abuts against one end of the column structure 1.

[0035] In this solution, for the overlapping area of the column structure 1 and the housing structure 2 in the door pre-assembly assembly, an upper die 5 and a head support platform 61 of corresponding sizes are set, and welding fixing columns 51 are set to limit and fix the housing structure 2. The overall structure is concise and can reduce energy consumption. For the lower die structure, a split layout is adopted. The welding area is mainly supported by the head support platform 61, the middle part is supported and guided by the middle support platform 62, and the end is limited by the bottom limit block 63. Overall, it ensures the reliability of fixing the column structure 1 and reduces the structural cost. Moreover, the head support platform 61, the middle support platform 62, and the bottom limit block 63 are all detachable structures and can be adjusted adaptively according to different models of products, improving the versatility.

[0036] The welding fixing columns 51 are distributed at the edge and middle area of the housing structure 2. Specifically, the welding fixing columns 51 are distributed at the outer edge of the overlapping part of the housing structure 2 and the column structure 1, in a circular distribution. And because there is a raised surface in the middle of the housing structure 2, the welding fixing columns 51 are also distributed at both ends of this raised surface to achieve the overlapping fixation of the housing structure 2 and the column structure 1.

[0037] The welding heads 52 are distributed above the corresponding welding points according to the welding requirements.

[0038] Preferably, the welding device further includes a middle fixing column 8, which is located above the middle support platform 62 and cooperates with the middle support platform 62 to fix the middle area of the column structure 1.

[0039] The overall stable fixation of the column structure 1 is achieved through the middle fixing column 8.

[0040] Preferably, the number of the head support platforms 61, the middle support platforms 62 and the bottom limit blocks 63 is two each, and they are divided into two groups of bottom die assemblies arranged side by side left and right; the two groups of bottom die assemblies are respectively used to support a door pre-assembly unit, and the size of the upper die 5 is matched with the total size of the housing structures 2 of the two door pre-assembly units.

[0041] In order to improve the welding efficiency, this solution provides two bottom die assemblies arranged side by side, and sets the size of the upper die 5 to be matched with the size of the overall housing structure 2 obtained after the two door pre-assembly units are distributed on the bottom die assemblies, so as to realize welding of the two groups of door pre-assembly units at the same time, further improving the welding efficiency.

[0042] Preferably, as Figure 4 shown, the welding fixing column 51 includes a fixing seat 511, a connecting rod 512 and a cylindrical head 513 connected in sequence. The fixing seat 511 is installed on the top of the upper die 5, the connecting rod 512 passes through the upper die 5, and the cylindrical head 513 is threadedly connected to the connecting rod 512.

[0043] Specifically, an external threaded rod is connected to the top of the cylindrical head 513, and a groove with internal threads is provided inside the connecting rod 512, and the internal threads of the groove are matched with the external threaded rod.

[0044] The welding fixing column 51 provided by the present utility model can adjust the protruding length of the cylindrical head 513 through threads, so as to realize the adaptive adjustment of the welding fixing column 51 according to the height requirements of the specific door pre-assembly unit, improving the versatility.

[0045] Preferably, the head support platforms 61, the middle support platforms 62 and the bottom limit blocks 63 are all detachably fixed on the lower pressing plate 4 by bolts; it is convenient to switch to use different head support platforms 61, middle support platforms 62 and bottom limit blocks 63 according to different shapes or specifications of the door pre-assembly units, improving the versatility.

[0046] The number of the guiding components 7 is two, which are respectively arranged on both sides of the upper pressing plate 3 and the lower pressing plate 4; specifically, as Figure 2 shown, the guiding component 7 includes a left positioning and guiding unit, a right positioning and guiding unit and a middle buffer column 703. The left positioning and guiding unit and the right positioning and guiding unit are respectively located on both sides of the middle buffer column 703. Both the left positioning and guiding unit and the right positioning and guiding unit include a plurality of guide sleeves 701 fixed on the upper pressing plate 3 and the lower pressing plate 4 and guide posts 702 connecting the guide sleeves 701 at corresponding positions on the upper pressing plate 3 and the lower pressing plate 4.

[0047] The upper pressing plate 3 is provided with a hollow, which can further reduce the weight and energy consumption.

[0048] Preferably, in this embodiment, the size of the welding die of the welding equipment for the pre-assembled door assembly is streamlined. The length of the upper pressing plate 3 is set to 600 mm, the width is 290 mm, and the height of the overall welding die is 379.6 mm.

[0049] The overall solution achieves structural streamlining, energy consumption reduction, efficiency improvement, welding cycle shortening, and labor cost reduction.

[0050] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field based on the concept of the present invention through logical analysis, reasoning, or limited experiments on the basis of the prior art should fall within the protection scope determined by the claims.

Claims

1. A welding device for a pre-assembled door assembly, comprising a welding die and a driving module. The pre-assembled door assembly includes a longitudinally extending column structure (1) and a housing structure (2) that cooperates with one end of the column structure (1). It is characterized in that, The welding die includes an upper pressing plate (3), a lower pressing plate (4), an upper die (5), a bottom die (6) and a guiding component (7). The two sides of the upper pressing plate (3) and the lower pressing plate (4) are connected to each other through the guiding component (7). The bottom of the upper pressing plate (3) is connected to the upper die (5) through a connecting column. The upper die (5) is matched with the size of the housing structure (2). The upper die (5) is provided with a plurality of welding fixing columns (51) and welding heads (52) that are matched with the position of the housing structure (2). The bottom die (6) includes a head support platform (61), a middle support platform (62) and a bottom limiting block (63) that are distributed in sequence. The head support platform (61) is matched with the overlapping area of the column structure (1) and the housing structure (2). The top of the middle support platform (62) is provided with a guiding groove (621) that is matched with the shape of the corresponding position of the column structure (1). The bottom limiting block (63) abuts against one end of the column structure (1).

2. The welding device for a door pre-assembly assembly according to claim 1, characterized in that, The welding fixing columns (51) are distributed in the edge and middle areas of the housing structure (2).

3. The welding equipment for a pre-assembled door assembly according to claim 1, characterized in that, The welding equipment further includes a middle fixing column (8). The middle fixing column (8) is located above the middle support platform (62) and is matched with the middle support platform (62) to fix the middle area of the column structure (1).

4. A welding device for a door pre-assembly assembly according to claim 1, characterized in that, The number of the head support platform (61), the middle support platform (62) and the bottom limiting block (63) is two each, and they are divided into two groups of bottom die components that are arranged side by side left and right. The two groups of bottom die components are respectively used to support a door pre-assembly. The size of the upper die (5) is matched with the total size of the housing structures (2) of the two door pre-assemblies.

5. The welding equipment for a pre-assembled door assembly according to claim 1, characterized in that, The welding fixing column (51) includes a fixing seat (511), a connecting rod (512) and a cylindrical head (513) that are connected in sequence. The fixing seat (511) is installed on the top of the upper die (5). The connecting rod (512) passes through the upper die (5). The cylindrical head (513) is connected to the connecting rod (512) through a thread.

6. The welding equipment for a door pre-assembly assembly according to claim 5, characterized in that, The top of the cylindrical head (513) is connected with an external threaded rod. The inner side of the connecting rod (512) is provided with a groove with internal threads, and the internal threads of the groove are matched with the external threaded rod.

7. The welding equipment for a pre-assembled door assembly according to claim 1, characterized in that, The head support platform (61), the middle support platform (62) and the bottom limiting block (63) are all detachably fixed on the lower pressing plate (4) through bolts.

8. A welding device for a door pre-assembly assembly according to claim 1, characterized in that, The number of the guiding components (7) is two, and they are respectively arranged on the two sides of the upper pressing plate (3) and the lower pressing plate (4).

9. The welding device for a door pre-assembly assembly according to claim 1, characterized in that, The guiding component (7) includes a left positioning and guiding unit, a right positioning and guiding unit and a middle buffer column (703). The left positioning and guiding unit and the right positioning and guiding unit are respectively located on both sides of the middle buffer column (703). The left positioning and guiding unit and the right positioning and guiding unit both include a plurality of guide sleeves (701) fixed on the upper pressing plate (3) and the lower pressing plate (4) and guide columns (702) connecting the guide sleeves (701) at corresponding positions on the upper pressing plate (3) and the lower pressing plate (4).

10. The welding equipment for a door pre-assembly assembly according to claim 1, characterized in that, The upper pressing plate (3) is provided with a hollow out.

Images