CN111438472A - Damping pressing device suitable for welding bottom of rocket tank - Google Patents
Damping pressing device suitable for welding bottom of rocket tank Download PDFInfo
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- CN111438472A CN111438472A CN202010261353.2A CN202010261353A CN111438472A CN 111438472 A CN111438472 A CN 111438472A CN 202010261353 A CN202010261353 A CN 202010261353A CN 111438472 A CN111438472 A CN 111438472A
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- Prior art keywords
- screw
- damping
- pressing
- belleville spring
- workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a damping pressing device suitable for welding the bottom of a rocket tank, which comprises: the device comprises a workpiece 2, a mechanical pressing strip 3, a damping component and an elastic base plate 5; two ends of the mechanical pressing bar 3 are fixedly connected with the workbench; the damping components are uniformly arranged and installed on the mechanical pressing strip 3; the central line of the elastic base plate 5 and the axis of the damping component are aligned and uniformly arranged on the mechanical pressing strip 3; the other end of the elastic backing plate 5 is in a free state; the damping member presses the free end of the elastic pad 5 downward, causing the free end of the elastic pad 5 to press against the workpiece 2. The invention can realize the compression of spherical bottom and conical bottom workpieces with any large curvature radius, is not limited by the form of the bottom of the rocket tank, and the damping screw can be adjusted in real time to compensate the deformation of the workpieces so as to meet the requirement of high quality of a welding line unit.
Description
Technical Field
The invention relates to the technical field of welding of the bottom of a rocket tank, in particular to a damping pressing device suitable for welding the bottom of the rocket tank.
Background
At present, a welding process method of friction stir welding is mostly adopted in a rocket tank bottom welding system in China, workpieces need to be compressed when longitudinal seams of workpieces at the bottom of a rocket tank bottom or a conical bottom are welded, the workpieces can deform when the workpieces are welded due to the fact that upsetting force and advancing resistance of the friction stir welding are large, and further gaps are formed between a compressing device and the workpieces to cause looseness. A compaction device with damping is not used in a rocket tank bottom welding system in China, so that the invention of the damping compaction device for the rocket tank bottom welding system is necessary.
Patent document CN109848889A discloses a workpiece pressing device based on damping shock absorption, which includes: the damping device comprises a bottom mounting plate body, an upper supporting plate body, a plurality of damping shock absorbers, a first rectangular supporting rod, a second rectangular supporting rod, a first supporting plate body, a second supporting plate body, a positioning plate body, a first limiting positioning seat, a second limiting positioning seat, an ear supporting seat, a driving regulator, a rocker, a stepped rod body, a triangular rotating plate, a short connecting rod, a long connecting rod, a first folded pressing body, a first channel-shaped piece, a second folded pressing body and a second channel-shaped piece; elastic pressing pieces are mounted on the pressing end faces of the first and second fold pressing bodies through fasteners.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a damping pressing device suitable for welding the bottom of a rocket tank.
According to the invention, the damping pressing device suitable for welding the bottom of the rocket tank comprises: the device comprises a workpiece 2, a mechanical pressing strip 3, a damping component and an elastic base plate 5; two ends of the mechanical pressing bar 3 are fixedly connected with the workbench; the damping components are uniformly arranged and installed on the mechanical pressing strip 3; the central line of the elastic base plate 5 and the axis of the damping component are aligned and uniformly arranged on the mechanical pressing strip 3; the other end of the elastic backing plate 5 is in a free state; the damping member presses the free end of the elastic pad 5 downward, causing the free end of the elastic pad 5 to press against the workpiece 2.
Preferably, the damping member is a damping screw 4.
Preferably, the damping screw 4 comprises: a third screw 41, a compression head 42, a belleville spring 43, and a wire spring 44.
The belleville spring 43 is placed in the inner hole of the third screw 41, and in a compression state, one end of the belleville spring 43 is tightly attached to a contact part 406 of the third screw and the belleville spring, and the other end of the belleville spring 43 is tightly attached to a contact part 403 of the belleville spring and the compression head.
Preferably, the compression head 42 is placed in the bore of the third screw 41 and passes through the bore of the belleville spring 43.
Preferably, the wire spring 44 is clamped in the third screw arc clamping groove 401, in a free state, the wire spring 44 blocks the pressing head 42 at a contact position 404 of the wire spring and the pressing head, the third screw 41 is mounted on the mechanical pressing bar 3, when the pressing head is normally pressed, the third screw 41 presses the workpiece 2 through the pressing end 405 of the third screw, and when the welding is loosened, the pressing head 42 presses the workpiece 2 through the pressing end 402 of the pressing head.
Preferably, the mechanical batten 3 is fixed on the workbench by two ends of a first fastening screw 1.
Preferably, one end of the elastic pad 5 is fixedly connected with the mechanical pressing strip 3 through a second fastening screw 6.
Compared with the prior art, the invention has the following beneficial effects:
1. the blank of a damping pressing device for a rocket tank bottom welding system in China is filled, and the requirements on high quality and high efficiency of products are met;
2. the invention can realize the compression of spherical bottom and conical bottom workpieces with any large curvature radius, is not limited by the form of the bottom of the rocket tank, and the damping screw therein can be self-adjusted in real time to compensate the deformation of the workpieces so as to meet the requirement of high quality of a welding line unit;
3. the invention can greatly reduce the labor intensity of workers and can realize the requirement of one-time installation until the welding is finished;
4. the invention can be popularized and applied to other parts welding systems of the rocket storage tank.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the damping screw according to the present invention.
Fig. 4 is a schematic cross-sectional view of a damping screw according to the present invention.
FIG. 5 is an enlarged view of a portion of FIG. 4 of the present invention.
In the figure:
1 is that the first fastening screw 44 is a wire spring
2 workpiece 201 is a welding seam unit
3 is that mechanical layering 401 is third screw circular arc draw-in groove
4 damping screw 402 is the pressing end of the pressing head
5 is an elastic backing plate 403 as the contact part of the belleville spring and the pressing head
6 is that the second fastening screw 404 is the contact part of the wire spring and the pressing head
41 is the third screw 405 is the third screw pressing end
42 is the contact part of the third screw and the belleville spring as the pressing head 406
43 is a belleville spring
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 to 5, the damping and compressing device suitable for welding the bottom of the rocket tank provided by the invention comprises: the device comprises a workpiece 2, a mechanical pressing strip 3, a damping component and an elastic base plate 5; two ends of the mechanical pressing bar 3 are fixedly connected with the workbench; the damping components are uniformly arranged and installed on the mechanical pressing strip 3; the central line of the elastic base plate 5 and the axis of the damping component are aligned and uniformly arranged on the mechanical pressing strip 3; the other end of the elastic backing plate 5 is in a free state; the damping member presses the free end of the elastic pad 5 downward, causing the free end of the elastic pad 5 to press against the workpiece 2.
The invention aims to provide a damping pressing device for a rocket tank bottom welding system. The device can realize the compression of workpieces with spherical bottoms and conical bottoms with any large curvature radius, the workpieces deform and become loose when the bottom of the rocket tank is welded, the deformation of the workpieces is compensated by self adjustment of the damping screws, the workpieces are ensured to be always in a compression state, firm, high-quality and efficient welding operation of welding equipment on the workpieces is ensured, and the welding quality and efficiency of the bottom of the rocket tank are further improved.
Preferably, the damping member is a damping screw 4.
Preferably, the damping screw 4 comprises: a third screw 41, a compression head 42, a belleville spring 43, and a wire spring 44; the belleville spring 43 is placed in the inner hole of the third screw 41, and in a compression state, one end of the belleville spring 43 is tightly attached to a contact part 406 of the third screw and the belleville spring, and the other end of the belleville spring 43 is tightly attached to a contact part 403 of the belleville spring and the compression head.
Preferably, the compression head 42 is placed in the bore of the third screw 41 and passes through the bore of the belleville spring 43.
Preferably, the wire spring 44 is clamped in the third screw arc clamping groove 401, in a free state, the wire spring 44 blocks the pressing head 42 at a contact position 404 of the wire spring and the pressing head, the third screw 41 is mounted on the mechanical pressing bar 3, when the pressing head is normally pressed, the third screw 41 presses the workpiece 2 through the pressing end 405 of the third screw, and when the welding is loosened, the pressing head 42 presses the workpiece 2 through the pressing end 402 of the pressing head.
Preferably, the mechanical batten 3 is fixed on the workbench by two ends of a first fastening screw 1.
Preferably, one end of the elastic pad 5 is fixedly connected with the mechanical pressing strip 3 through a second fastening screw 6.
Specifically, in an embodiment, as shown in fig. 1 and 2, a damping pressing device for a welding system of a rocket tank bottom includes a first fastening screw 1, a workpiece 2, a mechanical pressing strip 3, a damping screw 4, an elastic cushion plate 5, and a second fastening screw 6, where the mechanical pressing strip 3 is fixed on a workbench through two ends of the first fastening screw 1, the damping screws 4 are uniformly arranged and installed on the mechanical pressing strip 3, a central line of the elastic cushion plate 5 is aligned with an axis of the damping screw 4 and uniformly arranged and installed on the mechanical pressing strip 3, one end of the elastic cushion plate 5 is fixed on the mechanical pressing strip 3 through one end of the second fastening screw 6, and the other end is in a free state, and the damping screw 4 presses a free end of the elastic cushion plate 5 downward, so that the free end of the elastic cushion plate 5 is pressed on the workpiece 2.
During normal compression, the damping screw 4 is screwed downwards to cause the free end of the elastic cushion plate 5 to deform until the free end is tightly attached to the workpiece 2, the damping screw 4 is continuously screwed until the specified torque is reached, the damping screw 4 is stopped being screwed, and at the moment, the damping screw 4 compresses the workpiece 2 through the third screw compression end 405 of the third screw 41;
as shown in fig. 3 and 4, the damping screw 4 includes a third screw 41, a pressing head 42, a belleville spring 43, and a wire spring 44, wherein the belleville spring 43 is placed in an inner hole of the third screw 41, in a pressed state, one end of the belleville spring 43 is tightly attached to a contact 406 between the third screw and the belleville spring, the other end of the belleville spring 43 is tightly attached to a contact 403 between the belleville spring and the pressing head, the pressing head 42 is placed in the inner hole of the third screw 41 and passes through the inner hole of the belleville spring 43, the wire spring 44 is clamped in an arc clamping groove 401 of the third screw, in a free state, the wire spring 44 blocks the pressing head 42 at a contact 404 between the wire spring and the pressing head, the third screw 41 is mounted on the mechanical pressing bar 3, in a normal pressing state, the third screw 41 presses the workpiece 2 through the pressing end 405.
When welding is loosened, the belleville spring 43 offsets a gap generated when a workpiece is welded through self deformation, and the belleville spring 43 pushes the pressing head 42 to displace until the workpiece 2 is pressed;
the invention can realize the compression of spherical bottom and conical bottom workpieces with any large curvature radius, is not limited by the form of the bottom of the rocket tank, and the damping screw can be adjusted in real time to compensate the deformation of the workpieces so as to meet the requirement of high quality of a welding line unit.
The blank of a damping pressing device for a rocket tank bottom welding system in China is filled, and the requirements on high quality and high efficiency of products are met; the invention can realize the compression of spherical bottom and conical bottom workpieces with any large curvature radius, is not limited by the form of the bottom of the rocket tank, and the damping screw therein can be self-adjusted in real time to compensate the deformation of the workpieces so as to meet the requirement of high quality of a welding line unit; the invention can greatly reduce the labor intensity of workers and can realize the requirement of one-time installation until the welding is finished; the invention can be popularized and applied to other parts welding systems of the rocket storage tank.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A damping closing device suitable for rocket tank bottom welding, its characterized in that includes: the device comprises a first fastening screw (1), a workpiece (2), a mechanical pressing strip (3), a damping component, an elastic base plate (5) and a second fastening screw (6);
two ends of the mechanical pressing bar (3) are fixedly connected with the workbench;
the damping components are uniformly arranged and installed on the mechanical pressing strip (3);
the central line of the elastic base plate (5) and the axis of the damping component are aligned and uniformly arranged on the mechanical pressing strip (3);
the other end of the elastic backing plate (5) is in a free state;
the damping member presses the free end of the elastic backing plate (5) downwards, so that the free end of the elastic backing plate (5) is pressed on the workpiece (2).
2. Damping hold-down device suitable for rocket tank bottom welding according to claim 1, characterized in that the damping member is a damping screw (4).
3. Damping hold-down device suitable for rocket tank bottom welding according to claim 2, characterized in that said damping screw (4) comprises: a third screw (41) and a belleville spring (43);
the belleville spring (43) is placed in an inner hole of the third screw (41), and in a compression state, one end of the belleville spring (43) is tightly attached to a contact part (406) of the third screw and the belleville spring, and the other end of the belleville spring (43) is tightly attached to a contact part (403) of the belleville spring and the compression head.
4. Damping hold-down device suitable for rocket tank bottom welding according to claim 3, characterized by the fact that said damping screw (4) further comprises: a compression head (42);
the pressing head (42) is placed in an inner hole of the third screw (41) and penetrates through an inner hole of the belleville spring (43).
5. Damping hold-down device suitable for rocket tank bottom welding according to claim 4, characterized by the fact that the damping screw (4) further comprises: a wire spring (44);
the steel wire spring (44) is clamped in the third screw arc clamping groove (401), the pressing head (42) is blocked at the contact position (404) of the steel wire spring and the pressing head by the steel wire spring (44) in a free state, the third screw (41) is installed on the mechanical pressing strip (3), when the pressing head is normally pressed, the third screw (41) presses the workpiece (2) through the third screw pressing end (405), and when welding is loosened, the pressing head (42) presses the workpiece (2) through the pressing head pressing end (402).
6. Damping hold-down device suitable for rocket tank bottom welding according to claim 1, characterized in that the mechanical bead (3) is fixed on the working table by the first fastening screw (1) both ends.
7. The damping and compressing device suitable for the welding of the bottom of the rocket tank bottom according to claim 1, characterized in that one end of the elastic backing plate (5) is fixedly connected with the mechanical pressing strip (3) through a second fastening screw (6).
8. A damping closing device suitable for rocket tank bottom welding, its characterized in that includes: the device comprises a workpiece (2), a mechanical pressing strip (3), a damping component and an elastic base plate (5);
two ends of the mechanical pressing bar (3) are fixedly connected with the workbench;
the damping components are uniformly arranged and installed on the mechanical pressing strip (3);
the central line of the elastic base plate (5) and the axis of the damping component are aligned and uniformly arranged on the mechanical pressing strip (3);
the other end of the elastic backing plate (5) is in a free state;
the damping component presses the free end of the elastic backing plate (5) downwards to enable the free end of the elastic backing plate (5) to be pressed on the workpiece (2);
the damping component adopts a damping screw (4);
the damping screw (4) comprises: a third screw (41), a compression head (42), a belleville spring (43) and a wire spring (44);
the belleville spring (43) is placed in an inner hole of the third screw (41), and in a compression state, one end of the belleville spring (43) is tightly attached to a contact part (406) of the third screw and the belleville spring, and the other end of the belleville spring (43) is tightly attached to a contact part (403) of the belleville spring and the compression head;
the pressing head (42) is placed in an inner hole of the third screw (41) and penetrates through an inner hole of the belleville spring (43);
the steel wire spring (44) is clamped in the third screw arc clamping groove (401), the pressing head (42) is blocked at a contact position (404) of the steel wire spring and the pressing head by the steel wire spring (44) in a free state, the third screw (41) is installed on the mechanical pressing strip (3), the third screw (41) presses the workpiece (2) through the pressing end (405) of the third screw during normal pressing, and the pressing head (42) presses the workpiece (2) through the pressing end (402) of the pressing head during welding loosening;
the mechanical pressing bar (3) is fixed on the workbench through two ends of a first fastening screw (1);
one end of the elastic cushion plate (5) is fixedly connected with the mechanical pressing strip (3) through a second fastening screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261353.2A CN111438472A (en) | 2020-04-03 | 2020-04-03 | Damping pressing device suitable for welding bottom of rocket tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261353.2A CN111438472A (en) | 2020-04-03 | 2020-04-03 | Damping pressing device suitable for welding bottom of rocket tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111438472A true CN111438472A (en) | 2020-07-24 |
Family
ID=71652897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010261353.2A Pending CN111438472A (en) | 2020-04-03 | 2020-04-03 | Damping pressing device suitable for welding bottom of rocket tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438472A (en) |
-
2020
- 2020-04-03 CN CN202010261353.2A patent/CN111438472A/en active Pending
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