CN216029063U - Double-reference damper welding fixture - Google Patents
Double-reference damper welding fixture Download PDFInfo
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- CN216029063U CN216029063U CN202122095946.9U CN202122095946U CN216029063U CN 216029063 U CN216029063 U CN 216029063U CN 202122095946 U CN202122095946 U CN 202122095946U CN 216029063 U CN216029063 U CN 216029063U
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Abstract
The utility model discloses a welding fixture for a double-reference damper, which comprises a sliding plate, two groups of limiting assemblies, a sliding rail cylinder and a positioning block assembly, wherein the two groups of limiting assemblies are positioned on two symmetrical sides of the sliding plate; the limiting assembly comprises a reference limiting block and a guide cylinder which drives the reference limiting block to move longitudinally, and the guide cylinder is positioned at the lower end of the reference limiting block; the positioning block assembly comprises a first positioning fixture block and a second positioning fixture block, and a damper clamping groove for clamping a damper is formed between the first positioning fixture block and the second positioning fixture block; the damper clamping groove and the two reference limiting blocks are located on the same straight line. The utility model has simple structure and can improve the welding efficiency of the end part of the damper.
Description
Technical Field
The utility model relates to the technical field of welding fixtures, in particular to a welding fixture for a double-reference damper.
Background
The damper functions as follows: when a fuel injector in the fuel engine injects fuel, the damper can reduce the tiny fluctuation generated by the oil pressure in an oil way, so that the system pressure in an oil rail of the fuel engine is kept stable. In the process of machining the damper, two ends of the damper need to be sealed through welding. The existing welding operation is generally to fix the damper through a welding fixture, then to complete the welding operation through a welding gun, and the welding mode is unilateral welding, that is, after completing the welding of one port of the damper, the damper needs to be taken out of the fixture and the two ends are exchanged, the other end which is not welded is clamped by the damper fixture, and then the other port is welded.
Use current welding jig to carry out the both ends tip welding of attenuator, after accomplishing a port welding, need manually take off the attenuator and install on anchor clamps again after the upset, later carry out the welding of another port, this kind of mode has not only reduced welding efficiency, and owing to be manual operation, operating personnel produces the error easily in welding operation in-process, forgets to weld the other end, leads to finally only one end of same root attenuator to be welded to lead to the wastrel.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a double-reference damper welding fixture, which solves the technical problem that after one end of a damper is welded, the damper needs to be taken down from the fixture, turned and installed again, and then the other end of the damper needs to be welded in the prior art. The welding fixture is simple in structure, and in the welding process, the operation link of welding the other end after the damper is taken down from the fixture and turned is omitted, so that the overall welding efficiency is improved.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a two reference attenuator welding jig which characterized in that: the damper comprises a sliding plate, two groups of limiting assemblies positioned on two symmetrical sides of the sliding plate, a sliding rail cylinder which is connected to the lower end of the sliding plate and drives the sliding plate to transversely move between the two groups of limiting assemblies, and a positioning block assembly which is arranged at the upper end of the sliding plate and fastens the damper; the limiting assembly comprises a reference limiting block and a guide cylinder which drives the reference limiting block to move longitudinally, and the guide cylinder is positioned at the lower end of the reference limiting block; the positioning block assembly comprises a first positioning fixture block and a second positioning fixture block, and a damper clamping groove for clamping a damper is formed between the first positioning fixture block and the second positioning fixture block; the damper clamping groove and the two reference limiting positions are located on the same straight line.
Furthermore, at least one of the first positioning fixture block and the second positioning fixture block is an elastic block-shaped body.
Furthermore, an elastic component is arranged on one side, facing the damper clamping groove, of at least one of the first positioning clamping block and the second positioning clamping block.
Furthermore, the second positioning clamping block comprises a pressing block which is located on one side of the damper clamping groove and can move transversely and a side stop block which is fixedly connected to the upper end of the sliding plate, a spring is arranged between the pressing block and the side stop block, one end of the spring is connected with the side stop block, and the other end of the spring is connected with the pressing block.
Furthermore, the spring and the upper side of the pressing block are also provided with a top stop block, and one side of the top stop block is connected with the side stop block.
Furthermore, the positioning block assemblies are divided into two groups and symmetrically distributed on two sides of the upper end of the sliding plate.
Furthermore, one side of the reference limiting block is also provided with a top pressing block which moves up and down under the driving of the guide cylinder, and the top pressing block is provided with a top pressing end part which is used for pressing the side wall of the damper from top to bottom.
The lower ends of the reference limiting block and the top pressing block are fixedly connected to the upper end of the connecting block; the lower end of the connecting block is connected with the top of a piston rod of the guide sliding rail.
Furthermore, the device also comprises a bottom plate which plays a role in supporting and fixing, and the bottom plate is connected to the lower end of the sliding rail cylinder; a plurality of support columns are arranged between the sliding plate and the bottom plate, the lower ends of the support columns are fixedly connected with the upper end of the bottom plate, and the upper ends of the support columns are slidably connected with the lower end of the sliding plate.
Furthermore, a guide post is arranged between the connecting block and the bottom plate.
Further, a support block for supporting the lower end of the damper during welding is further arranged at the upper end of the sliding plate between the positioning block assembly and the reference limiting block.
(III) advantageous effects
Compared with the prior art, the utility model provides a welding fixture for a double-reference damper, which has the following beneficial effects:
the damper welding fixture is simple in structure, and a link of taking down the damper from the fixture and turning the damper to perform another end operation is omitted in the welding process, so that the overall welding efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a left side view of the present invention.
FIG. 5 is a cross-sectional view of the left positioning block assembly and slide plate of the present invention.
Fig. 6 is a perspective view of the damper.
In the figure:
10-bottom plate, 101-support column, 11-sliding plate, 21-sliding rail cylinder, 211-cylinder sliding block, 31-left positioning fixture block I, 32-left positioning fixture block II, 321-left pressing block, 322-left spring, 323-left screw, 324-left top stop block, 325-left stop block, 326-clamping end, 33-left pressing block, 331-left pressing end part, 34-damper clamping groove, 41-right positioning fixture block I, 42-right positioning fixture block II, 43-right pressing block, 431-right pressing end part, 51-left support block, 61-right support block, 71-left guide cylinder, 72-left reference limiting block, 73-left connecting block, 81-right guide cylinder, 82-right reference limiting block, 83-right connecting block, 91-guide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides a welding fixture for a double-reference damper, which comprises a sliding plate 11, limiting assemblies located on two symmetrical sides of the sliding plate 11, a sliding rail cylinder 21 connected to the lower end of the sliding plate 11 and driving the sliding plate 11 to move transversely between the two limiting assemblies, and a positioning block assembly arranged at the upper end of the sliding plate 11 and used for positioning the damper.
As shown in fig. 1, in this embodiment, the sliding plate 11 is a rectangular plate, and the two sets of limiting assemblies are located on the left and right sides of the sliding plate 11 and are symmetrically distributed; the structure and the size of the left and right groups of limiting assemblies are the same.
The left limiting assembly comprises a left reference limiting block 72 and a guide cylinder 71 driving the left reference limiting block 72 to longitudinally move, and the guide cylinder 71 is positioned at the lower end of the left reference limiting block 72; the right limiting assembly is the same as the left limiting assembly in structure and comprises a right reference limiting block 82 and a right guide cylinder 81 for driving the right reference limiting block 82 to longitudinally move.
The positioning block assembly is positioned at the upper end of the sliding plate 11 and mainly plays a role in positioning and fastening the damper. The positioning block component comprises a first positioning clamping block and a second positioning clamping block, and a damper clamping groove for clamping the damper is formed between the first positioning clamping block and the second positioning clamping block. After the damper is clamped into the damper clamping groove, the sliding rail air cylinder drives the sliding plate to move left and right, and the damper is clamped into the damper clamping groove, the first positioning clamping block and the second positioning clamping block fasten the damper, so that the relative position between the damper and the sliding plate 11 is fixed, and the damper cannot roll in the moving process.
In this embodiment, the two sets of positioning block assemblies are symmetrically distributed on two sides of the upper end of the sliding plate 11, as shown in fig. 1 to 3. The left positioning block assembly comprises a left positioning fixture block 31 and a left positioning fixture block 32, and a left damper clamping groove 34 is formed between the left positioning fixture block 31 and the left positioning fixture block 32; the right positioning block assembly and the left positioning block assembly have the same structure and comprise a first right positioning fixture block 41 and a second right positioning fixture block 42, and a right damper clamping groove 44 is formed between the first right positioning fixture block 41 and the second right positioning fixture block 42. In use, the damper is simultaneously snapped into the left damper snap groove 34 and the right damper snap groove 44. As shown in fig. 3, the left damper snap groove 34, the right damper snap groove 44, the left reference stopper 72, and the right reference stopper 82 are located on the same line.
In order to strengthen the effective fastening effect of the positioning block assembly on the damper, at least one of the first positioning fixture block and the second positioning fixture block is an elastic block body, such as an elastic silica gel block body, and after the damper is clamped into the damper clamping groove, pressure can be applied to the side wall of the damper under the extrusion of the side wall of the damper, so that the fastening effect on the damper is strengthened. Or an elastic part is arranged on one side, facing the damper clamping groove, of the first positioning clamping block and/or the second positioning clamping block, the elastic part can be a silica gel sheet, the elastic part can also be tightly attached to the side wall of the damper after the damper is clamped into the damper clamping groove, and pressure is applied to the side wall of the damper under extrusion of the side wall of the damper. Or, as in this embodiment, the first positioning block is fixedly connected to the upper end of the sliding plate 11, and the second positioning block is additionally provided with a spring and a pressing block for pressing the side wall of the damper. As shown in fig. 5, fig. 5 is a cross-sectional view of the left positioning block assembly and the slide plate, as shown in the figure, the left positioning block assembly 32 includes a pressing block 321 which is located on one side of the left damper clamping groove 34 and can move transversely, and a side stopper 325 which is fixedly connected to the upper end of the slide plate 11, a left spring 322 is arranged between the left pressing block 321 and the left stopper 325, one end of the left spring 322 is connected to the left stopper 325, and the other end of the left spring 322 is connected to the left pressing block 321; after the damper is clamped in the left damper clamping groove 34, the pressing block 321 presses the damper from the side surface under the action of the left spring 322, and the left pressing block 321 and the left positioning clamping block I31 fasten the left side of the damper; meanwhile, in the right positioning block assembly with the same structure as the left positioning block assembly, the right pressing block (not shown in the drawing) and the right positioning fixture block I41 fasten the right side of the damper, and under the fastening of the two positioning block assemblies, the damper is fastened in the damper clamping groove in the process of moving the sliding plate 11 left and right, so that the damper cannot move easily.
In order to prevent the spring from moving longitudinally in the contraction process, a top stop block is arranged on the upper sides of the spring and the pressing block; as shown in fig. 5, a groove is formed among the left side stopper 325, the slide plate 11 and the left top stopper 324, the left spring 322 is located in the groove, and the left pressing block 321 can move left and right in the groove under the driving of the left spring 322; the left top stopper 324 is located on the upper side of the left spring 322 and the left pressing block 321, and the right side of the left top stopper is connected to the left stopper 325, so that the left spring 322 and the pressing block 321 are locked between the left top stopper 324 and the sliding plate 11, and are prevented from being longitudinally displaced. Meanwhile, a left screw 323 is additionally arranged, the left screw 323 penetrates through the left side stop block 325, the nut of the left screw 323 is positioned on the outer wall of the left side stop block 325, and the tail end of the screw rod of the left screw 323 is connected to the left side of the left pressing block 321, so that the transverse moving track of the pressing block 321 is more stable by taking the screw rod of the left screw 323 as an axis. The second right positioning latch 42 has the same structure as the left positioning latch 32.
Preferably, one side of the reference limiting block is further provided with a top pressing block which moves up and down under the driving of the guide cylinder, and the top pressing block is provided with a top pressing end part which is used for pressing the side wall of the damper from top to bottom. As shown in fig. 4, in a left side view, the upper portion of the left pressing block 33 has a laterally protruding left pressing end portion 331, the lower ends of the left pressing block 33 and the left reference limiting block 72 are both connected to the upper end of the left connecting block 73, the piston rod of the left guide cylinder 71 faces upward, the upper end of the piston rod is connected to the lower end of the left connecting block 73, and the left connecting block 73 can drive the left pressing block 33 and the left reference limiting block 72 to move up and down under the driving of the piston rod of the left guide cylinder 71; when the piston rod of the left guide cylinder 71 extends, the left jacking block 33 and the left reference limiting block 72 move from bottom to top, the damper located in the damper clamping groove is driven by the slide rail cylinder 21 to approach the left reference limiting block 72 until the damper abuts against the left reference limiting block 72, and the left reference limiting block 72 plays a reference positioning role in the welding end of the damper. When the left end of the damper is attached to the side face of the left reference limiting block 72, the piston rod of the left guide cylinder 71 contracts, the left jacking block 33 and the left reference limiting block 72 move from top to bottom, the left reference limiting block 72 retreats to allow a welding space, the lower end of the left jacking end portion 331 presses the upper end of the damper, the damper is longitudinally compressed, and the damper can be further prevented from being displaced in the welding process, so that the welding quality is improved.
The structure of the right top pressure block 43 is the same as that of the left side, the lower ends of the right top pressure block and the right reference limiting block 82 are both connected to the upper end of the right connecting block 83, the piston rod of the right guide cylinder 81 faces upwards, and the upper end of the piston rod is connected to the lower end of the right connecting block 83.
After welding of the left side of the damper is completed, the piston rod of the left guide cylinder 71 extends, the left jacking block 33 moves upwards, the slide rail cylinder 21 drives the damper to approach the right reference limiting block 82, meanwhile, the piston rod of the right guide cylinder 81 extends, the right jacking block 43 and the right reference limiting block 82 move from bottom to top until the right end of the damper abuts against the right reference limiting block 82, then, the piston rod of the left guide cylinder 71 contracts, the right jacking block 43 and the right reference limiting block 82 move from top to bottom, the right reference limiting block 82 retreats from a welding space, the lower end of the right jacking end portion 431 presses the upper end of the damper, the damper is longitudinally compressed, and then welding operation is performed.
The welding sequence may be as described above, welding the left end of the damper first and then the right end of the damper, or vice versa, right end first and then left end. Through the design, the welding operation of the other end of the damper can be performed immediately after the welding operation of one end of the damper is completed, the damper does not need to be taken down from the clamp to be turned, the efficiency is improved, and the condition that only one end is welded and the other end is not welded due to manual operation errors can be prevented.
In this embodiment, the lower end of the sliding plate 11 is connected to the cylinder slider 211, and the sliding rail cylinder 21 is a double-guide-rod cylinder. The left guide cylinder 71 and the right guide cylinder 81 are piston cylinders.
Preferably, the device also comprises a bottom plate 10 for supporting and fixing and a support column 101 for supporting, wherein the bottom plate 10 is connected to the lower end of the sliding rail cylinder 21; in this embodiment, four support columns 101 are distributed between the bottom plate 10 and the sliding plate 11, the lower ends of the support columns are fixedly connected with the upper end of the bottom plate 10, and the upper ends of the support columns and the lower end of the sliding plate 11 are slidably connected through a slide rail and a slider structure (not shown in the drawings).
Preferably, a guide post 91 is further disposed between the connecting block and the bottom plate 10. In this embodiment, two guide posts 91 are provided between the left connecting block 73 and the bottom plate 10, two guide posts 91 are provided between the right connecting block 83 and the bottom plate 10, and the guide posts 91 play a guiding role to guide the piston rod of the left guide cylinder 71 and the piston rod of the right guide cylinder 81 to move up and down.
Meanwhile, in order to better support the lower ends of the two sides of the damper, two support blocks, namely a left support block 51 located between the left reference limit block 72 and the left limit component and a right support block 61 located between the right reference limit block 82 and the right limit component, are further disposed at the upper end of the slide plate 11, as shown in fig. 3, the left reference limit block 72, the left support block 51, the left damper slot 34, the right damper slot 44, the right support block 61 and the right reference limit block 82 are located on the same straight line. When the left top pressing block 33 and the right top pressing block 43 press the side wall of the damper from top to bottom, the support block at the lower end can better support the damper at the lower part to be matched with the top pressing blocks, and the damper is locked longitudinally to better prevent the end part of the damper from displacing in the welding process.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a two reference attenuator welding jig which characterized in that: the damper comprises a sliding plate, two groups of limiting assemblies positioned on two symmetrical sides of the sliding plate, a sliding rail cylinder which is connected to the lower end of the sliding plate and drives the sliding plate to transversely move between the two groups of limiting assemblies, and a positioning block assembly which is arranged at the upper end of the sliding plate and fastens the damper; the limiting assembly comprises a reference limiting block and a guide cylinder which drives the reference limiting block to move longitudinally, and the guide cylinder is positioned at the lower end of the reference limiting block; the positioning block assembly comprises a first positioning fixture block and a second positioning fixture block, and a damper clamping groove for clamping a damper is formed between the first positioning fixture block and the second positioning fixture block; the damper clamping groove and the two reference limiting blocks are located on the same straight line.
2. The dual reference damper welding fixture of claim 1, wherein: at least one of the first positioning fixture block and the second positioning fixture block is an elastic block-shaped body.
3. The dual reference damper welding fixture of claim 1, wherein: and at least one of the first positioning fixture block and the second positioning fixture block is provided with an elastic component on one side facing the damper clamping groove.
4. The dual reference damper welding fixture of claim 1, wherein: the second positioning clamping block comprises a pressing block and a side stop block, the pressing block is located on one side of the damper clamping groove and can move transversely, the side stop block is fixedly connected to the upper end of the sliding plate, a spring is arranged between the pressing block and the side stop block, one end of the spring is connected with the side stop block, and the other end of the spring is connected with the pressing block.
5. The dual reference damper welding fixture of claim 4, wherein: the spring and the upper side of the pressing block are also provided with a top stop block, and one side of the top stop block is connected with the side stop block.
6. The dual reference damper welding jig of any one of claims 1 to 5, wherein: the positioning block assemblies are divided into two groups and are symmetrically distributed on two sides of the upper end of the sliding plate.
7. The dual reference damper welding fixture of claim 6, wherein: and a jacking block which moves up and down under the driving of the guide cylinder is further arranged on one side of the reference limiting block, and a jacking end part used for pressing the side wall of the damper from top to bottom is arranged on the jacking block.
8. The dual reference damper welding fixture of claim 7, wherein: the lower ends of the reference limiting block and the top pressing block are fixedly connected to the upper end of the connecting block; the lower end of the connecting block is connected with the top of a piston rod of the guide sliding rail.
9. The dual reference damper welding fixture of claim 8, wherein: the bottom plate is connected to the lower end of the sliding rail cylinder; a plurality of support columns are arranged between the sliding plate and the bottom plate, the lower ends of the support columns are fixedly connected with the upper end of the bottom plate, and the upper ends of the support columns are slidably connected with the lower end of the sliding plate.
10. The dual reference damper welding fixture of claim 9, wherein: and a guide post is also arranged between the connecting block and the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122095946.9U CN216029063U (en) | 2021-09-01 | 2021-09-01 | Double-reference damper welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122095946.9U CN216029063U (en) | 2021-09-01 | 2021-09-01 | Double-reference damper welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029063U true CN216029063U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122095946.9U Active CN216029063U (en) | 2021-09-01 | 2021-09-01 | Double-reference damper welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216029063U (en) |
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2021
- 2021-09-01 CN CN202122095946.9U patent/CN216029063U/en active Active
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