Fixing and clamping device for welding of oil tank shell

Abstract

The utility model provides an oil tank shell welding fixing clamping device, which relates to the industrial production field and comprises a workbench and a transformer shell part, the transformer shell part is placed on the transformer shell part and is welded after being fixed through a fixing clamping assembly, and the fixing clamping assembly comprises a clamping structure and a fixing baffle plate. The transformer shell part can be effectively guided to enter the clamping area through the guide-in part in the device. In batch production, an operator does not need to spend a lot of time to accurately align the position of the oil tank shell, and only needs to place the oil tank shell at the opening of the leading-in part, so that the oil tank shell can smoothly enter between the clamping main bodies under the guidance of the leading-in part and the rollers, and the positioning speed of the oil tank shell is greatly improved; according to the oil tank shell positioning device, initial positioning is automatically carried out when oil tank shells enter, accurate fixing is achieved through the clamping structure, the operation that each oil tank shell is repeatedly adjusted in the batch production process is reduced, and the operation time is saved.

Description

Technical Field

[0001] This utility model relates to the field of industrial production, and in particular to a welding and fixing clamping device for fuel tank shell. Background Technology

[0002] In industrial production and machinery manufacturing, fuel tanks are an important component of various mechanical equipment, and the welding operation during their production process is crucial. Traditional fuel tank shell welding and fixing clamping devices have some limitations in practical applications.

[0003] In the mass production of fuel tanks, traditional clamping devices often simply fix the tank in place to ensure its stability during welding. However, this method has significant shortcomings in high-volume operations. Lacking a guiding structure, operators need to spend extra time and effort adjusting the tank's position to ensure it is accurately positioned for welding when placing it onto the clamping device. This not only reduces work efficiency but also, due to potential errors from manual adjustments, can negatively impact welding quality, leading to issues such as weld misalignment and uneven welding.

[0004] Furthermore, during prolonged mass production, frequent manual adjustments to the fuel tank position increase the workload of operators, easily causing fatigue and further increasing the possibility of operational errors. Therefore, a novel fuel tank shell welding and fixing clamping device is proposed. This device can guide the fuel tank component to be fixed while clamping the tank, allowing the tank to be placed quickly and accurately to the predetermined position. Utility Model Content

[0005] This invention addresses the shortcomings of existing technologies by using an inlet section to effectively guide the transformer housing into the clamping area. In mass production, operators no longer need to spend significant time precisely aligning the tank housing; simply placing the housing at the inlet opening allows it to smoothly enter the clamping body under the guidance of the inlet and rollers. This significantly improves the positioning speed of the tank housing, automatically performing initial positioning upon entry and achieving precise fixation through the clamping structure. This reduces the need for repeated adjustments to each tank housing during mass production, saving operation time.

[0006] In order to solve the above-mentioned technical problems, the present invention provides a solution that guides the oil tank component to be fixed while clamping the oil tank, so that the oil tank can be placed quickly and accurately to the predetermined position.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A welding and fixing clamping device for an oil tank shell includes a workbench and a transformer shell component. The transformer shell component is placed on the workbench and fixed by a fixing clamping assembly before welding. The fixing clamping assembly includes a clamping structure and a fixing baffle. The clamping structure is symmetrically arranged at one end of the transformer shell component to guide and clamp the transformer shell component. The fixing baffle is arranged at the other end of the transformer shell component to position the guided transformer shell component.

[0009] Preferably, the clamping structure includes a clamping body and an inlet portion. The inlet portion is configured to be open and connected to the initial end of the clamping body for inserting the transformer housing component. A roller is rotatably connected to the connection between the clamping body and the inlet portion via a bearing.

[0010] Preferably, the clamping body is used to clamp the imported transformer housing. The outer end of the clamping body is provided with a support structure, which includes a vertical plate, a horizontal clamping plate, a return spring, and a movable frame. The vertical plate is set on the workbench and used to support the horizontal clamping plate. The movable frame is connected to the outer wall of the clamping body and allows the horizontal clamping plate to be movably installed therein. The movable frame and the horizontal clamping plate are connected by a return spring to adaptively clamp the transformer housing.

[0011] Preferably, a rubber protective pad is glued to the bottom of the opening of the movable frame.

[0012] Preferably, the horizontal clamping plate and the vertical plate are connected by a connecting screw, one end of which is connected to the bottom of the horizontal clamping plate and the other end is rotatably connected to a threaded hole on the vertical plate.

[0013] Preferably, the vertical plate is connected to the workbench via a support frame. Both ends of the top of the support frame are provided with inner grooves, and the vertical plate is inserted into the corresponding inner grooves. The front and rear ends of the workbench are provided with side movable slots, through which the support frame passes horizontally.

[0014] Preferably, a plurality of positioning screw holes are evenly distributed below the side movable slot, and one end of the bottom of the support frame is connected to a connecting bracket by bolts, and the other end of the connecting bracket is fastened to the corresponding positioning screw hole by bolts.

[0015] Preferably, a threaded rotating rod is movably mounted on the inner wall of the inner groove via a bearing, and a rotating handle with anti-slip texture is welded to the outer end of the threaded rotating rod for rotation. One end of the vertical plate inserted into the inner groove is threaded onto the threaded rotating rod for movement.

[0016] Preferably, both ends of the fixed baffle are connected to connecting plates, and one end of the connecting plate extending downward is fastened to the corresponding positioning screw hole by bolts.

[0017] Preferably, the fixed baffle has a plurality of anti-slip blocks evenly glued to the end facing the transformer housing to prevent slippage.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The oil tank shell welding and fixing clamping device provided in this application can effectively guide the transformer shell components into the clamping area through the guide part in the device. In mass production, operators do not need to spend a lot of time accurately aligning the position of the oil tank shell. They only need to place the oil tank shell at the opening of the guide part, and the oil tank shell can smoothly enter between the clamping body under the guidance of the guide part and the roller, which greatly improves the positioning speed of the oil tank shell.

[0020] This application utilizes a rational structural design to automatically perform initial positioning upon the entry of the fuel tank casing and achieve precise fixation through a clamping structure. For example, regarding width adjustment, the clamping range can be easily adjusted by rotating the handle; regarding length adjustment, by utilizing the movement of the support frame within the side movable slot and the adjustment of the fixed baffle position, it can accommodate fuel tank casings of different sizes, reducing the need for repeated adjustments to each fuel tank casing during mass production and saving operation time.

[0021] This application features excellent guidance and automatic clamping capabilities, resulting in a smoother and faster process for inserting and securing the fuel tank casing. Compared to traditional devices, this device can complete the securing operation of a single fuel tank casing in a shorter time, thereby enabling the processing of more fuel tank casings per unit time in mass production and improving overall production efficiency.

[0022] This application is designed with ease of operation and quick adjustment in mind, allowing operators to more easily complete the fixing and welding preparation work for the fuel tank shell. This results in tighter operational coordination during continuous production, reducing production interruptions caused by equipment adjustments and fuel tank shell positioning, and further improving production continuity and efficiency.

[0023] This application reduces the number of manual adjustments required by operators through its guiding and automatic clamping functions. For example, during the introduction and positioning of the fuel tank casing, the operator only needs to place the fuel tank casing in the inlet section, and the subsequent positioning and clamping operations are basically completed automatically by the device, which greatly reduces the workload of the operator and reduces fatigue caused by long-term operation.

[0024] This application features an adjustable structure in both the width and length directions. In the width direction, the clamping range can be adjusted by rotating the handle; in the length direction, the position of the support frame and fixed baffle on the worktable can be adjusted to accommodate fuel tank shells of different lengths and widths. This versatility allows the device to be applied to the production of fuel tank shells of various specifications, reducing the cost and time for companies to replace different fixing and clamping devices due to changes in product dimensions. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the overall disassembled structure of this utility model;

[0028] Figure 3 This is a schematic diagram of the overall structure of the present invention in use;

[0029] Figure 4 This is a partial structural diagram of the workbench of this utility model;

[0030] Figure 5 This is a partial disassembled structural diagram of the support frame, vertical plate, horizontal clamping plate, movable frame and clamping structure of this utility model.

[0031] Figure 6 This is a partial structural schematic diagram of the left side cross-section of this utility model;

[0032] Figure 7 This is a partial structural diagram of the clamping structure of this utility model;

[0033] Figure 8 This is a partial structural diagram of the fixed baffle of this utility model.

[0034] Drawing number descriptions: 1. Workbench; 101. Side movable slot; 102. Positioning screw hole; 2. Transformer housing; 3. Clamping structure; 301. Clamping body; 302. Guide part; 3001. Roller; 4. Fixed baffle; 401. Anti-slip block; 402. Connecting plate; 5. Support frame; 501. Inner groove; 502. Threaded rotating rod; 503. Rotating handle; 5001. Connecting bracket; 6. Vertical plate; 7. Horizontal clamping plate; 701. Return spring; 702. Connecting screw; 8. Movable frame; 801. Protective pad. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings.

[0036] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious modifications will be apparent to those skilled in the art. The basic principles of the present invention defined in the following description can be used in other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0037] Those skilled in the art should understand that in the disclosure of this utility model, the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or position based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0038] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number. Example

[0039] Please see Figure 1-8 A welding and fixing clamping device for an oil tank shell includes a workbench 1 and a transformer shell 2. The transformer shell 2 is placed on the transformer shell 2 and fixed by a fixing clamping assembly before welding. The fixing clamping assembly includes a clamping structure 3 and a fixing baffle 4. The clamping structure 3 is symmetrically arranged at one end of the transformer shell 2 to guide and clamp the transformer shell 2, and the fixing baffle 4 is arranged at the other end of the transformer shell 2 to position the guided transformer shell 2.

[0040] The oil tank outer shell welding and fixing clamping device of this application is mainly composed of a workbench 1, a transformer outer shell 2, a clamping structure 3, a fixing baffle 4, an anti-slip block 401, a connecting plate 402, a support frame 5, a vertical plate 6, and a horizontal clamping plate 7. The following is a detailed description of the structure and working principle.

[0041] (a) Assembly of the device

[0042] Preparation of workbench (1)

[0043] The workbench (1) is the basic support structure of the entire device. The side movable slots (101) on both sides of its bottom provide space for the installation and adjustment of subsequent components, while the evenly distributed positioning screw holes (102) are key parts for fixing other components. The design of these positioning screw holes (102) in different positions allows the entire device to flexibly adapt to oil tank shells of different sizes.

[0044] Installation of the fixed clamping assembly

[0045] The fixed baffle (4) serves to position one end of the oil tank shell in the device. Its two connecting plates (402) are bolted to the positioning screw holes (102) on the worktable (1). During installation, it is necessary to ensure that the connecting plates (402) are accurately aligned with the positioning screw holes (102) to guarantee the positional accuracy of the fixed baffle (4). The anti-slip block (401) is made of rubber because rubber has good friction properties, effectively preventing the oil tank shell from sliding during welding when in contact with it, thus ensuring the accuracy of the welding position.

[0046] Installation of clamping structure 3

[0047] The installation of the support frame 5 is the first step in the installation of the entire clamping structure 3. When inserting the vertical plate 6 into the inner groove 501 at both ends of the support frame 5, attention should be paid to the fitting accuracy between the vertical plate 6 and the inner groove 501. The threaded rotating rod 502 and the rotating handle 503, which are movably mounted on the bearing in the inner groove 501, constitute a simple screw drive mechanism. When the rotating handle 503 is rotated, the vertical plate 6 will move along the threaded rotating rod 502 due to the threaded connection between the threaded rotating rod 502 and the vertical plate 6. This design not only facilitates the movement of the vertical plate 6, but also allows the operator to more easily and accurately control the movement distance of the vertical plate 6 through the anti-slip texture design on the rotating handle 503.

[0048] Installation of horizontal clamping plate 7 and movable frame 8

[0049] The horizontal clamping plate 7 is connected to the vertical plate 6 via connecting screws 702. This connection method ensures the stability of the horizontal clamping plate 7 and facilitates disassembly and maintenance when needed. The movable frame 8 is connected to the outer wall of the clamping body 301 and is connected to the horizontal clamping plate 7 via a return spring 701. During installation, it is essential to ensure the correct installation direction and initial state of the return spring 701 to guarantee its normal elastic deformation during subsequent operation.

[0050] Installation of clamping body 301 and guide part 302

[0051] The connection between the guide section 302 and the clamping body 301 is crucial. The open design of the guide section 302 allows it to easily guide the fuel tank casing into the clamping body 301. When connecting them, attention should be paid to the arc design at the connection point and the installation of the roller 3001. The roller 3001 is movably connected to the connection point between the clamping body 301 and the guide section 302 via bearings. This design greatly reduces the friction of the fuel tank casing during entry, allowing the fuel tank casing to enter the clamping body 301 more smoothly.

[0052] (ii) Fixing and welding operations of transformer housing component (2)

[0053] Fuel tank outer shell insertion and positioning

[0054] When placing the transformer housing 2 on the workbench 1 and allowing it to enter through the inlet 302 opening, the operator needs to pay attention to the placement direction and position of the tank housing. Due to the open state of the inlet 302 and the assistance of the rollers 3001, the tank housing can enter relatively easily. The rollers 3001 rotate as the tank housing moves during entry, effectively reducing friction and preventing the tank housing from getting stuck during entry.

[0055] Clamping of fuel tank outer shell

[0056] When the fuel tank shell enters between the clamping bodies 301, a squeezing force is generated because the distance between the two sets of clamping bodies 301 is less than the width of the fuel tank shell. This squeezing force acts directly on the movable frame 8, causing it to move along the outside of the transverse clamping plate 7, while simultaneously compressing the return spring 701. During this process, the return spring 701 stores elastic potential energy. When the fuel tank shell is pushed to contact the fixed baffle 4, the operator stops applying the pushing force. At this time, the return spring 701 releases its elastic potential energy, causing the movable frame 8 and the connected clamping bodies 301 to return to their original positions, applying pressure to both sides of the fuel tank shell away from the fixed baffle 4, thereby achieving stable clamping of the fuel tank shell. This clamping method based on elastic deformation can ensure a firm clamping of the fuel tank shell and adapt to changes in the size of the fuel tank shell within a certain range. The rear of the movable frame 8 is glued with a rubber protective pad 801, which protects the contact surface when the movable frame 8 moves along the outside of the transverse clamping plate 7 and collides with it.

[0057] Adjustment of the device

[0058] Width adjustment

[0059] When the clamping range needs to be adjusted to accommodate fuel tank casings of different widths, the operator achieves this by rotating the handle 503. The handle 503 drives the threaded rod 502 to rotate. Since the threaded rod 502 is threadedly connected to the vertical plate 6, the vertical plate 6 moves along the threaded rod 502 according to the rotation direction of the handle 503. The movement of the vertical plate 6 causes the entire clamping structure 3 to move, thereby adjusting the clamping range. This adjustment method allows for a wide range of changes in the distance between the clamping bodies 301 to accommodate fuel tank casings of different widths.

[0060] Length adjustment

[0061] For fuel tank shells of different lengths, the support frame 5 can move within the side movable slot 101 of the worktable 1. After moving to the appropriate position, the position of the support frame 5 is fixed by bolting the connecting bracket 5001 to the corresponding positioning screw hole 102. At the same time, the connecting plates 402 at both ends of the fixed baffle 4 can also be connected to the positioning screw holes 102 at different positions, thereby adjusting the position of the fixed baffle 4 on the worktable 1. This length-direction adjustment mechanism allows the device to adapt well to fuel tank shells of different lengths, improving the versatility of the device.

[0062] II. Detailed Working Principle

[0063] Fuel tank outer shell introduction principle

[0064] The key to guiding the fuel tank casing lies in the design of the guide section 302 and the roller 3001. The open structure of the guide section 302 provides an initial space for the fuel tank casing to enter, while the roller 3001 provides rolling support at the connection between the fuel tank casing and the clamping body 301 and the guide section 302. When the fuel tank casing enters, the roller 3001 rotates with the movement of the fuel tank casing, converting the sliding friction between the fuel tank casing and the device into rolling friction, greatly reducing the friction force and allowing the fuel tank casing to smoothly transition from the guide section 302 to the clamping body 301.

[0065] Clamping principle

[0066] The clamping principle of this device is based on the elastic deformation of a mechanical structure. When the fuel tank casing enters between the clamping bodies 301, the squeezing force generated by the width difference causes the movable frame 8 to move along the transverse clamping plate 7, simultaneously compressing the return spring 701. The return spring 701 stores elastic potential energy during this process. When the fuel tank casing is pushed to contact the fixed baffle 4, the operator stops applying the pushing force, and the return spring 701 releases its elastic potential energy, causing the movable frame 8 and the connected clamping body 301 to return to their original positions, applying pressure to the fuel tank casing. This pressure is generated by the elastic restoring force of the return spring 701, ensuring a firm clamping of the fuel tank casing. Simultaneously, due to the elastic characteristics of the return spring 701, the device can adapt to slight changes in the width of the fuel tank casing to a certain extent, ensuring clamping stability.

[0067] Device Adjustment Principle

[0068] Width Adjustment Principle

[0069] Width adjustment is achieved through a screw drive mechanism. The screw drive mechanism consists of a handle 503, a threaded rod 502, and a vertical plate 6. When the handle 503 is rotated, the threaded rod 502 rotates accordingly. Due to the threaded connection between the threaded rod 502 and the vertical plate 6, the vertical plate 6 moves axially along the threaded rod 502. This movement causes the entire clamping structure 3 to move, thereby changing the distance between the clamping bodies 301 and adapting to oil tank shells of different widths.

[0070] Length adjustment principle

[0071] The length adjustment mainly relies on the side movable slot 101 and positioning screw holes 102 on the worktable 1. The support frame 5 can move within the side movable slot 101. By bolting the connecting bracket 5001 to the positioning screw holes 102 at different positions, the position of the support frame 5 in the length direction is fixed. At the same time, the connecting plates 402 at both ends of the fixed baffle 4 are connected to the positioning screw holes 102 at different positions, which can also adjust the position of the fixed baffle 4 on the worktable 1. This length adjustment mechanism allows the device to adapt to oil tank shells of different lengths, ensuring that the oil tank shell can be accurately fixed and positioned during the welding process.

[0072] Through this detailed structural design and working principle, the fuel tank outer shell welding and fixing clamping device can efficiently and accurately fix and weld the fuel tank outer shell in industrial production, improving production efficiency and welding quality.

[0073] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.

Claims

1. An oil tank shell welding fixture, comprising a workbench (1) and a transformer shell part (2), characterized in that: The transformer shell piece (2) is placed on the transformer shell piece (2) and welded after being fixed by the fixed clamping assembly, the fixed clamping assembly comprises a clamping structure (3) and a fixed baffle (4), the clamping structure (3) is symmetrically arranged at one end of the transformer shell piece (2) and used for guiding and clamping the transformer shell piece (2), and the fixed baffle (4) is arranged at the other end of the transformer shell piece (2) and used for positioning the guided transformer shell piece (2).

2. The oil tank shell welding fixture of claim 1, wherein: The clamping structure (3) comprises a clamping body (301) and an import part (302), the import part (302) is configured in an open state and connected to the initial end of the clamping body (301) and used for guiding the transformer shell piece (2), and the connecting part of the clamping body (301) and the import part (302) is rotatably connected with a roller (3001) through a bearing.

3. The oil tank shell welding fixture of claim 2, wherein: The clamping body (301) is used for clamping the guided transformer shell piece (2), and a support structure is arranged at the outer end of the clamping body (301), the support structure comprises a vertical plate (6), a transverse clamping plate (7), a reset spring (701) and a movable frame body (8), the vertical plate (6) is arranged on the workbench (1) and used for supporting the transverse clamping plate (7), the movable frame body (8) is connected to the outer wall of the clamping body (301) and movably arranged with the transverse clamping plate (7), and the movable frame body (8) and the transverse clamping plate (7) are connected through the reset spring (701) to adaptively clamp the transformer shell piece (2).

4. The oil tank shell welding fixture of claim 3, wherein: The bottom of the movable frame body (8) is glued with a protective pad (801) made of rubber material.

5. The oil tank shell welding fixture of claim 3, wherein: The transverse clamping plate (7) and the vertical plate (6) are connected through a connecting screw (702), one end of the connecting screw (702) is connected to the bottom of the transverse clamping plate (7), and the other end is threadedly rotatably connected to the threaded hole in the vertical plate (6).

6. The oil tank shell welding fixture of claim 3, wherein: The vertical plate (6) is connected between the support frame body (5) and the workbench (1), both ends of the top of the support frame body (5) are provided with inner grooves (501), the vertical plate (6) is correspondingly inserted into the inner grooves (501), and the front and rear ends of the workbench (1) are provided with side movable grooves (101), and the support frame body (5) transversely passes through the side movable grooves (101).

7. The oil tank shell welding fixture of claim 6, wherein: A plurality of positioning screw holes (102) are evenly arranged below the side movable grooves (101), one end of the bottom of the support frame body (5) is connected with a connecting bracket (5001) through a bolt, and the other end of the connecting bracket (5001) is fastened in the corresponding positioning screw hole (102) through a bolt.

8. The oil tank shell welding fixture of claim 6, wherein: A threaded rotating rod (502) is movably arranged on the inner wall of the inner groove (501) through a bearing, a rotating handle (503) with anti-skid lines is welded to the outer end of the threaded rotating rod (502) for rotation, and one end of the vertical plate (6) inserted into the inner groove (501) is movably arranged on the threaded rotating rod (502) through a threaded sleeve.

9. The oil tank shell welding fixture of claim 7, wherein: Both ends of the fixed baffle (4) are connected with connecting plates (402), one end of the connecting plate (402) extending downward is fastened in a corresponding positioning screw hole (102) by a bolt.

10. The oil tank shell welding fixture of claim 1, wherein: The fixed baffle (4) is uniformly glued with a plurality of anti-skid blocks (401) at one end towards the transformer shell member (2) to prevent skidding.

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