Cylinder barrel body cylindrical joint welding seal fixing device
By designing the welding and sealing fixture of the cylinder body cylindrical joints, the angle iron, positioning mechanism, fixing mechanism and compression mechanism are used to solve the problems of welding bias and inclination during welding, improving the welding quality and stability, and reducing the repair cost.
Patent Information
- Application Number
- CN202421312615.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-07
AI Technical Summary
During the welding process of the cylindrical joints of the cylinder body, welding bias and incline are prone to welding, which makes it difficult for the welding robot to position, resulting in uneven welds, reduced strength, missing welding or perforation, and thus causing oil leakage in the oil cylinder.
A cylinder cylinder body cylindrical joint welding fixing device is designed, including angle iron, positioning mechanism, fixing mechanism and pressing mechanism. The cylinder body is placed by angle iron, and the positioning mechanism cooperates with the pre-drilled hole to achieve pre-positioning. The fixing mechanism ensures the stability of the cylinder body, and the cylindrical joint is mechanized by the compression mechanism to avoid deviations caused by manual operation.
Through mechanized positioning and compression, the device effectively avoids welding bias and inclination during welding, improves welding quality, ensures the stability and welding strength of the cylinder body, and reduces the repair cost.
Smart Images

Figure CN222626761U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding seal of cylinder body cylindrical joints, in particular to a welding seal fixing device of a cylinder body cylindrical joint. Background Art
[0002] Due to limited conditions, the two cylindrical joints of the cylinder body are currently positioned manually, pressed tightly by hand and then spot welded at two points. However, due to the existence of human factors in the spot welding process, the joints are inevitably welded skewed and tilted. When the cylinder body is transferred to the sealing welding station, the welding robot is difficult to position due to the deviation and tilt of the joints. During the welding process, it is easy to cause weld crosses, uneven welds, reduced welding strength, leaks, and even perforations, which can easily lead to oil leakage in the cylinder and a sharp increase in rework costs. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a cylinder body cylindrical joint welding sealing fixing device which is convenient for positioning the cylinder body and solves the problems of joint welding deviation and welding slant in the welding process.
[0004] In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions: a welding and sealing fixing device for a cylinder body cylindrical joint, involving a cylinder body and two cylindrical joints, including an angle iron for placing the cylinder body, a positioning mechanism for plugging and cooperating with a pre-drilled hole of any one of the cylinder bodies to achieve pre-positioning, a fixing mechanism for fixing the cylinder body and the angle iron after pre-positioning, and a clamping mechanism for respectively pressing the two cylindrical joints to the corresponding pre-drilled holes.
[0005] Furthermore, the positioning mechanism is a quick clamp, and the diameter of the positioning pin on the quick clamp is sufficient to be inserted into the pre-drilled hole.
[0006] Furthermore, the fixing mechanism includes a fixing frame fixedly mounted on one end of the angle iron, an operating rod threadedly connected to the fixing frame, a limit block snap-fitted with the angle iron and threadedly matched with the operating rod, and a pressing block connected to the limit block and capable of extending into the cylinder body to press the cylinder body wall.
[0007] Furthermore, the surface of one side of the cylinder body pressed by the pressing block is in an arc shape.
[0008] Furthermore, the clamping mechanism includes a pressing plate that can be plugged into and matched with the two cylindrical joints, and a rotating pressing component that is detachably connected to the pressing plate and can apply pressure to the pressing plate.
[0009] Furthermore, the pressure plate includes a transverse plate and two plugs respectively arranged on two sides of the transverse plate.
[0010] Furthermore, the rotary pressing assembly includes a rotary pressing cylinder, a pressing rod arranged at the telescopic end of the rotary pressing cylinder, and two blocks arranged at intervals on the pressing rod for clamping the cross plate.
[0011] Furthermore, it also includes an operating table for installing the angle iron, and the operating table is also provided with a plurality of fixing holes along the length direction of the angle iron. The rotary downward pressure assembly also includes a mounting plate for installing the rotary downward pressure cylinder, and waist-shaped holes are also provided on both sides of the mounting plate, and two of the waist-shaped holes can be detachably connected to any two of the fixing holes.
[0012] Furthermore, it also includes a height adjustment mechanism arranged on the fixing frame, and the positioning mechanism is connected to the fixing frame through the height adjustment mechanism.
[0013] Furthermore, the height adjustment mechanism includes four sleeves spaced apart between the fixing frame and the positioning mechanism, four bolts passing through the positioning mechanism, the sleeves and the fixing frame in sequence, and four nuts threadably matched with the four bolts.
[0014] The beneficial effects of the utility model are embodied in:
[0015] The utility model discloses a cylinder body cylindrical joint welding sealing fixing device first places the cylinder body by means of angle iron, which can effectively prevent the cylinder body from rolling, realizes pre-positioning by means of the cooperation of the positioning mechanism and the pre-drilled hole of the cylinder body, realizes the positioning operation by means of the existing structural characteristics of the cylinder body, reduces the manufacturing cost of the device, and at the same time cooperates with the fixing mechanism to realize the stability when the cylinder body is fixed, and finally presses the cylindrical joint and the pre-drilled hole by means of the clamping mechanism, replaces manual labor by machinery, makes the clamping operation stable, and makes the cylindrical joint not easy to move during welding, thereby ensuring the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the welding and sealing fixing device for the cylindrical joint of the cylinder body of the utility model;
[0017] Figure 2 yes Figure 1 A magnified view of part B;
[0018] Figure 3 It is a schematic diagram of the structure of part of the fixing mechanism of the utility model;
[0019] Figure 4 It is a schematic diagram of the cylinder structure of the utility model.
[0020] The components in the accompanying drawings are marked as follows: 1. Cylinder body; 2. Cylindrical joint; 3. Angle iron; 4. Positioning mechanism; 401. Quick clamp; 402. Positioning pin; 5. Fixing mechanism; 501. Fixing frame; 502. Operating rod; 503. Limit block; 504. Pressing block; 6. Clamping mechanism; 601. Pressing plate; 6011. Cross plate; 6012. Plug; 602. Rotary pressing assembly; 6021. Rotary pressing cylinder; 6022. Pressing rod; 6023. Block; 6024. Mounting plate; 6025. Waist hole; 7. Operating table; 701. Fixing hole; 8. Height adjustment mechanism; 801. Sleeve; 802. Bolt; 803. Nut; A. Pre-drilling. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] See also Figure 1 .
[0023] The utility model discloses a welding and sealing fixing device for a cylinder body cylindrical joint, which involves a cylinder body 1 and two cylindrical joints 2, including an angle iron 3 for placing the cylinder body 1, a positioning mechanism 4 for plugging and cooperating with a pre-drilled hole A of any one of the cylinder bodies 1 to achieve pre-positioning, a fixing mechanism 5 for fixing the cylinder body 1 and the angle iron 3 after pre-positioning, and a clamping mechanism 6 for respectively clamping the two cylindrical joints 2 to the corresponding pre-drilled holes A.
[0024] The utility model discloses a cylinder body cylindrical joint welding and sealing fixing device, firstly places the cylinder body 1 through the angle iron 3, which can effectively prevent the cylinder body 1 from rolling, and realizes pre-positioning through the cooperation of the positioning mechanism 4 and the pre-drilled hole A of the cylinder body 1, and realizes the positioning operation by utilizing the existing structural characteristics of the cylinder body 1, thereby reducing the manufacturing cost of the device, and at the same time cooperates with the fixing mechanism 5 to realize the stability of the cylinder body 1 when it is fixed, and finally, the cylindrical joint 2 and the pre-drilled hole A are pressed by the clamping mechanism 6, and the clamping operation is stable by replacing manual labor with machinery, and the cylindrical joint 2 is not easy to move during welding, thereby ensuring the welding quality.
[0025] In one embodiment, see Figure 1, the positioning mechanism 4 is a quick clamp 401, and the diameter of the positioning pin 402 on the quick clamp 401 is sufficient to be inserted into the pre-drilled hole A. With this design, the positioning pin 402 is inserted into the pre-drilled hole A and pre-positioned with the cylinder body 1 through the rotation effect of the quick clamp 401. After the fixing mechanism 5 is fixed, it is convenient to rotate the quick clamp 401 to remove the positioning pin 402, which is easy to operate. In this embodiment, the quick clamp 401 can adopt the CH-101-D-15 model clamp in the prior art.
[0026] In one embodiment, see Figure 1-3 The fixing mechanism 5 includes a fixing frame 501 fixedly sleeved on one end of the angle iron 3, an operating rod 502 threadedly connected to the fixing frame 501, a limit block 503 engaged with the angle iron 3 and threadedly engaged with the operating rod 502, and a pressing block 504 connected to the limit block 503 and capable of extending into the cylinder body 1 to press against the cylinder wall. In this embodiment, when fixing the cylinder body 1, the cylinder body 1 is first placed on the angle iron 3, and it is ensured that the pressing block 504 is located in the cylinder body 1 at this time, and the pressing block 504 does not press against the cylinder body wall of the cylinder body 1. After pre-positioning, the operating rod 502 is rotated, and the operating rod 502 is threadedly connected with the fixing frame 501 and the limit block 503, so that the limit block 503 moves downward, driving the pressing block 504 to move downward and press against the cylinder wall, thereby achieving a fixing effect; and in this embodiment, the operating rod 502 is L-shaped.
[0027] In one embodiment, see Figure 3 The surface of one side of the pressing block 504 that presses the cylinder body 1 is arc-shaped. This design increases the contact area between the pressing block 504 and the cylinder body 1 and strengthens the pressing effect of the pressing block 504.
[0028] In one embodiment, see Figure 1 The clamping mechanism 6 includes a clamping plate 601 that can be plugged into the two cylindrical joints 2 and a rotating pressing assembly 602 that is detachably connected to the clamping plate 601 and can apply pressure to the clamping plate 601. With this design, the clamping plate 601 is used as a clamping receiving structure for the two cylindrical joints 2, and the rotating pressing operation of the rotating pressing assembly 602 facilitates the placement and removal of the cylinder body 1.
[0029] In one embodiment, see Figure 1 The pressing plate 601 includes a transverse plate 6011 and two plugs 6012 respectively arranged on both sides of the transverse plate 6011. In this embodiment, the length of the transverse plate 6011 is adjustable to accommodate pre-drilled holes A at different intervals.
[0030] In one embodiment, see Figure 1The rotating pressing assembly 602 includes a rotating pressing cylinder 6021, a pressing rod 6022 disposed at the telescopic end of the rotating pressing cylinder 6021, and two blocks 6023 disposed at intervals on the pressing rod 6022 for clamping the horizontal plate 6011. In this embodiment, the rotating pressing cylinder 6021 is a prior art structure, which will not be described in detail herein, and the interval between the two blocks 6023 can just accommodate a horizontal plate 6011 of one width.
[0031] In one embodiment, see Figure 1 , and also includes an operating table 7 for installing the angle iron 3, and the operating table 7 is also provided with a plurality of fixing holes 701 along the length direction of the angle iron 3, and the rotating pressing assembly 602 also includes a mounting plate 6024 for installing the rotating pressing cylinder 6021, and the mounting plate 6024 is also provided with waist-shaped holes 6025 on both sides, and the two waist-shaped holes 6025 can be detachably connected with any two fixing holes 701. With this design, the waist-shaped holes 6025 are fixed with different fixing holes 701, so as to realize the movement of the rotating pressing assembly 602 to adapt to pre-drilled holes A with different intervals, and in this embodiment, the waist-shaped holes 6025 are fixed with different fixing holes 701 by bolts.
[0032] In one embodiment, see Figure 1 , 2 , and also includes a height adjustment mechanism 8 arranged on the fixing frame 501, and the positioning mechanism 4 is connected to the fixing frame 501 through the height adjustment mechanism 8. In this design, the height of the positioning mechanism 4 is adjusted by the height adjustment mechanism 8, so that the positioning mechanism 4 can meet the pre-positioning of cylinder bodies 1 with different diameters.
[0033] In one embodiment, see Figure 1 , 2 The height adjustment mechanism 8 includes four sleeves 801 spaced apart between the fixing frame 501 and the positioning mechanism 4, four bolts 802 passing through the positioning mechanism 4, the sleeves 801 and the fixing frame 501 in sequence, and four nuts 803 threadedly matched with the four bolts 802. With this design, the height adjustment can be achieved by adjusting the length of the sleeves 801, and the structure is simple and easy to achieve.
[0034] The method of using the utility model is as follows:
[0035] 1. Place the cylinder body 1 on the angle iron 3;
[0036] 2. Operate the quick clamp 401 to insert and match the positioning pin 402 with the pre-drilled hole A to achieve pre-positioning;
[0037] 3. Press the cylinder body wall of the cylinder body 1 by rotating the operating rod 502 and the pressing block 504;
[0038] 4. Operate the quick clamp 401 to withdraw the positioning pin 402 from the pre-drilled hole A;
[0039] 5. Insert the two cylindrical joints 2 into the two pre-drilled holes A respectively;
[0040] 6. Plug and match the two plugs 6012 of the pressing plate 601 with the two cylindrical joints 2;
[0041] 7. Start the rotating downward pressure cylinder 6021 to clamp the horizontal plate 6011 of the pressing plate 601 between the two clamping blocks 6023 to achieve compression.
[0042] To sum up, the utility model cylinder body cylindrical joint welding and sealing fixing device first places the cylinder body 1 through the angle iron 3, which can effectively prevent the cylinder body 1 from rolling, and realizes pre-positioning through the positioning mechanism 4 and the pre-drilled hole A of the cylinder body 1. The positioning operation is realized by utilizing the existing structural characteristics of the cylinder body 1 to reduce the manufacturing cost of the device, and at the same time cooperates with the fixing mechanism 5 to achieve stability when the cylinder body 1 is fixed. Finally, the cylindrical joint 2 is pressed against the pre-drilled hole A through the clamping mechanism 6, and the clamping operation is stable by replacing manual labor with machinery. The cylindrical joint 2 is not easy to move during welding, thereby ensuring the welding quality, and can also meet the cylinder body 1 with pre-drilled holes A of different diameters and different spacings, and has strong practicality.
[0043] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.
[0044] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that satisfy both A and B. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0045] It should be understood that the examples and implementation modes described herein are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art may make various modifications or changes based on the examples and implementation modes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A cylinder body cylindrical joint welding and fixing device, involving a cylinder body (1) and two cylindrical joints (2), characterized in that: It comprises an angle iron (3) for placing the cylinder body (1), a positioning mechanism (4) for inserting and cooperating with any pre-drilled hole (A) of the cylinder body (1) to achieve pre-positioning, a fixing mechanism (5) for fixing the cylinder body (1) and the angle iron (3) after pre-positioning, and a pressing mechanism (6) for pressing the two cylindrical joints (2) and the corresponding pre-drilled holes (A) respectively.
2. The cylinder body cylindrical joint welding and sealing fixing device according to claim 1 is characterized in that: The positioning mechanism (4) is a quick clamp (401), and the diameter of the positioning pin (402) on the quick clamp (401) is sufficient to be inserted into the pre-drilled hole (A).
3. The welding and sealing fixing device for a cylinder body cylindrical joint according to claim 1, characterized in that: The fixing mechanism (5) comprises a fixing frame (501) fixedly sleeved on one end of the angle iron (3), an operating rod (502) threadedly connected to the fixing frame (501), a limit block (503) snap-fitted with the angle iron (3) and threadedly matched with the operating rod (502), and a pressing block (504) connected to the limit block (503) and capable of extending into the cylinder body (1) to press the cylinder body wall.
4. The cylinder body cylindrical joint welding and sealing fixing device according to claim 3 is characterized in that: The pressing block (504) correspondingly presses the cylinder body (1) so that the surface of one side thereof is in an arc shape.
5. The cylinder body cylindrical joint welding and sealing fixing device according to claim 1, characterized in that: The clamping mechanism (6) comprises a pressing plate (601) which can be plugged into and matched with the two cylindrical joints (2), and a rotating pressing component (602) which is detachably connected to the pressing plate (601) and can apply pressure to the pressing plate (601).
6. The cylinder body cylindrical joint welding and sealing fixing device according to claim 5, characterized in that: The pressing plate (601) comprises a transverse plate (6011) and two plugs (6012) respectively arranged on two sides of the transverse plate (6011).
7. The welding and sealing fixing device for a cylinder body cylindrical joint according to claim 6, characterized in that: The rotary pressing assembly (602) comprises a rotary pressing cylinder (6021), a pressing rod (6022) arranged at the telescopic end of the rotary pressing cylinder (6021), and two clamping blocks (6023) arranged at intervals on the pressing rod (6022) for clamping the transverse plate (6011).
8. The welding and sealing fixing device for a cylinder body cylindrical joint according to claim 7, characterized in that: It also includes an operating table (7) for mounting the angle iron (3), and the operating table (7) is provided with a plurality of fixing holes (701) along the length direction of the angle iron (3). The rotary pressing assembly (602) also includes a mounting plate (6024) for mounting the rotary pressing cylinder (6021), and the mounting plate (6024) is provided with waist-shaped holes (6025) on both sides, and the two waist-shaped holes (6025) can be detachably connected to any two of the fixing holes (701).
9. The cylinder body cylindrical joint welding and sealing fixing device according to claim 3, characterized in that: It also comprises a height adjustment mechanism (8) arranged on the fixing frame (501), and the positioning mechanism (4) is connected to the fixing frame (501) via the height adjustment mechanism (8).
10. The cylinder body cylindrical joint welding and sealing fixing device according to claim 9, characterized in that: The height adjustment mechanism (8) comprises four sleeves (801) arranged at intervals between the fixing frame (501) and the positioning mechanism (4), four bolts (802) respectively passing through the positioning mechanism (4), the sleeves (801) and the fixing frame (501) in sequence, and four nuts (803) threadably matched with the four bolts (802).